pvc/client-api/pvc-api.py

#!/usr/bin/env python3

# pvcapi.py - PVC HTTP API interface
# Part of the Parallel Virtual Cluster (PVC) system
#
#    Copyright (C) 2018-2019 Joshua M. Boniface <joshua@boniface.me>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################

import json
import yaml
import os

import gevent.pywsgi

import flask

from distutils.util import strtobool

from functools import wraps

from flask_restful import Resource, Api, reqparse, abort
from flask_swagger import swagger

from celery import Celery

import api_lib.pvcapi_helper as api_helper
import api_lib.pvcapi_provisioner as api_provisioner

# Parse the configuration file
try:
    pvc_config_file = os.environ['PVC_CONFIG_FILE']
except:
    print('Error: The "PVC_CONFIG_FILE" environment variable must be set before starting pvc-api.')
    exit(1)

print('Starting PVC API daemon')

# Read in the config
try:
    with open(pvc_config_file, 'r') as cfgfile:
        o_config = yaml.load(cfgfile, Loader=yaml.BaseLoader)
except Exception as e:
    print('ERROR: Failed to parse configuration file: {}'.format(e))
    exit(1)

try:
    # Create the config object
    config = {
        'debug': o_config['pvc']['debug'],
        'coordinators': o_config['pvc']['coordinators'],
        'listen_address': o_config['pvc']['api']['listen_address'],
        'listen_port': int(o_config['pvc']['api']['listen_port']),
        'auth_enabled': strtobool(o_config['pvc']['api']['authentication']['enabled']),
        'auth_secret_key': o_config['pvc']['api']['authentication']['secret_key'],
        'auth_tokens': o_config['pvc']['api']['authentication']['tokens'],
        'ssl_enabled': o_config['pvc']['api']['ssl']['enabled'],
        'ssl_key_file': o_config['pvc']['api']['ssl']['key_file'],
        'ssl_cert_file': o_config['pvc']['api']['ssl']['cert_file'],
        'database_host': o_config['pvc']['provisioner']['database']['host'],
        'database_port': int(o_config['pvc']['provisioner']['database']['port']),
        'database_name': o_config['pvc']['provisioner']['database']['name'],
        'database_user': o_config['pvc']['provisioner']['database']['user'],
        'database_password': o_config['pvc']['provisioner']['database']['pass'],
        'queue_host': o_config['pvc']['provisioner']['queue']['host'],
        'queue_port': o_config['pvc']['provisioner']['queue']['port'],
        'queue_path': o_config['pvc']['provisioner']['queue']['path'],
        'storage_hosts': o_config['pvc']['provisioner']['ceph_cluster']['storage_hosts'],
        'storage_domain': o_config['pvc']['provisioner']['ceph_cluster']['storage_domain'],
        'ceph_monitor_port': o_config['pvc']['provisioner']['ceph_cluster']['ceph_monitor_port'],
        'ceph_storage_secret_uuid': o_config['pvc']['provisioner']['ceph_cluster']['ceph_storage_secret_uuid']
    }

    # Use coordinators as storage hosts if not explicitly specified
    if not config['storage_hosts']:
        config['storage_hosts'] = config['coordinators']

    # Set the config object in the api_helper namespace
    api_helper.config = config
    # Set the config object in the api_provisioner namespace
    api_provisioner.config = config
except Exception as e:
    print('ERROR: {}.'.format(e))
    exit(1)

# Create Flask app and set config values
app = flask.Flask(__name__)
app.config['CELERY_BROKER_URL'] = 'redis://{}:{}{}'.format(config['queue_host'], config['queue_port'], config['queue_path'])
app.config['CELERY_RESULT_BACKEND'] = 'redis://{}:{}{}'.format(config['queue_host'], config['queue_port'], config['queue_path'])

if config['debug']:
    app.config['DEBUG'] = True

if config['auth_enabled']:
    app.config["SECRET_KEY"] = config['auth_secret_key']

# Create Flask blueprint
blueprint = flask.Blueprint('api', __name__, url_prefix='/api/v1')

# Create Flask-RESTful definition
api = Api(blueprint)
app.register_blueprint(blueprint)

# Create celery definition
celery = Celery(app.name, broker=app.config['CELERY_BROKER_URL'])
celery.conf.update(app.config)

#
# Custom decorators
#

# Request parser decorator
class RequestParser(object):
    def __init__(self, reqargs):
        self.reqargs = reqargs
    def __call__(self, function):
        if not callable(function):
            return
        @wraps(function)
        def wrapped_function(*args, **kwargs):
            parser = reqparse.RequestParser()
            # Parse and add each argument
            for reqarg in self.reqargs:
                parser.add_argument(
                    reqarg.get('name', None),
                    required=reqarg.get('required', False),
                    action=reqarg.get('action', None),
                    choices=reqarg.get('choices', ()),
                    help=reqarg.get('helptext', None)
                )
            reqargs = parser.parse_args()
            kwargs['reqargs'] = reqargs
            return function(*args, **kwargs)
        return wrapped_function

# Authentication decorator function
def Authenticator(function):
    @wraps(function)
    def authenticate(*args, **kwargs):
        # No authentication required
        if not config['auth_enabled']:
            return function(*args, **kwargs)
        # Session-based authentication
        if 'token' in flask.session:
            return function(*args, **kwargs)
        # Key header-based authentication
        if 'X-Api-Key' in flask.request.headers:
            if any(token for token in secret_tokens if flask.request.headers.get('X-Api-Key') == token):
                return function(*args, **kwargs)
            else:
                return {"message":"X-Api-Key Authentication failed"}, 401
        # All authentications failed
        return {"message":"X-Api-Key Authentication required"}, 401
    return authenticate


#
# Job functions
#
@celery.task(bind=True)
def create_vm(self, vm_name, profile_name):
    return api_provisioner.create_vm(self, vm_name, profile_name)


##########################################################
# API Root/Authentication
##########################################################

# /
class API_Root(Resource):
    def get(self):
        """
        Return the PVC API version string
        ---
        tags:
          - root
        responses:
          200:
            description: OK
            schema:
              type: object
              id: API-Version
              properties:
                message:
                  type: string
                  description: A text message
                  example: "PVC API version 1"
        """
        return {"message":"PVC API version 1"}
api.add_resource(API_Root, '/')

# /doc
class API_Doc(Resource):
    def get(self):
        return swagger(app)
api.add_resource(API_Doc, '/doc')

# /login
class API_Login(Resource):
    def post(self):
        """
        Log in to the PVC API with an authentication key
        ---
        tags:
          - root
        parameters:
          - in: query
            name: token
            type: string
            required: true
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
              properties:
                message:
                  type: string
                  description: A text message
          302:
            description: Authentication disabled
          401:
            description: Unauthorized
            schema:
              type: object
              id: Message
        """
        if not config['auth_enabled']:
            return flask.redirect(Api.url_for(api, API_Root))

        if any(token for token in config['auth_tokens'] if flask.request.values['token'] in token['token']):
            flask.session['token'] = flask.request.form['token']
            return { "message": "Authentication successful" }, 200
        else:
            { "message": "Authentication failed" }, 401
api.add_resource(API_Login, '/login')

# /logout
class API_Logout(Resource):
    def post(self):
        """
        Log out of an existing PVC API session
        ---
        tags:
          - root
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          302:
            description: Authentication disabled
        """
        if not config['auth_enabled']:
            return flask.redirect(Api.url_for(api, API_Root))

        flask.session.pop('token', None)
        return { "message": "Deauthentication successful" }, 200
api.add_resource(API_Logout, '/logout')

# /initialize
class API_Initialize(Resource):
    @Authenticator
    def post(self):
        """
        Initialize a new PVC cluster
        Note: Normally used only once during cluster bootstrap; checks for the existence of the "/primary_node" key before proceeding and returns 400 if found
        ---
        tags:
          - root
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
              properties:
                message:
                  type: string
                  description: A text message
          400:
            description: Bad request
        """
        # TODO: Implement me in api_helper
        if api_helper.initialize_cluster():
            return { "message": "Successfully initialized a new PVC cluster" }, 200
        else:
            return { "message": "PVC cluster already initialized" }, 400
api.add_resource(API_Initialize, '/initialize')


##########################################################
# Client API - Node
##########################################################

# /node
class API_Node_Root(Resource):
    @RequestParser([
        { 'name': 'limit' }
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of nodes in the cluster
        ---
        tags:
          - node
        definitions:
          - schema:
              type: object
              id: node
              properties:
                name:
                  type: string
                  description: The name of the node
                daemon_state:
                  type: string
                  description: The current daemon state
                coordinator_state:
                  type: string
                  description: The current coordinator state
                domain_state:
                  type: string
                  description: The current domain (VM) state
                cpu_count:
                  type: integer
                  description: The number of available CPU cores
                kernel:
                  type: string
                  desription: The running kernel version from uname
                os:
                  type: string
                  description: The current operating system type
                arch:
                  type: string
                  description: The architecture of the CPU
                load:
                  type: number
                  format: float
                  description: The current 5-minute CPU load
                domains_count:
                  type: integer
                  description: The number of running domains (VMs)
                running_domains:
                  type: string
                  description: The list of running domains (VMs) by UUID
                vcpu:
                  type: object
                  properties:
                    total:
                      type: integer
                      description: The total number of real CPU cores available
                    allocated:
                      type: integer
                      description: The total number of allocated vCPU cores
                memory:
                  type: object
                  properties:
                    total:
                      type: integer
                      description: The total amount of node RAM in MB
                    allocated:
                      type: integer
                      description: The total amount of RAM allocated to domains in MB
                    used:
                      type: integer
                      description: The total used RAM on the node in MB
                    free:
                      type: integer
                      description: The total free RAM on the node in MB
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A search limit; fuzzy by default, use ^/$ to force exact matches
        responses:
          200:
            description: OK
            schema:
              type: array
              items:
                $ref: '#/definitions/node'
        """
        return api_helper.node_list(reqargs.get('limit', None))
api.add_resource(API_Node_Root, '/node')

# /node/<node>
class API_Node_Element(Resource):
    @Authenticator
    def get(self, node):
        """
        Return information about {node}
        ---
        tags:
          - node
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/node'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.node_list(node, is_fuzzy=False)
api.add_resource(API_Node_Element, '/node/<node>')

# /node/<node>/daemon-state
class API_Node_DaemonState(Resource):
    @Authenticator
    def get(self, node):
        """
        Return the daemon state of {node}
        ---
        tags:
          - node
        responses:
          200:
            description: OK
            schema:
              type: object
              id: NodeDaemonState
              properties:
                name:
                  type: string
                  description: The name of the node
                daemon_state:
                  type: string
                  description: The current daemon state
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.node_daemon_state(node)
api.add_resource(API_Node_DaemonState, '/node/<node>/daemon-state')

# /node/<node>/coordinator-state
class API_Node_CoordinatorState(Resource):
    @Authenticator
    def get(self, node):
        """
        Return the coordinator state of {node}
        ---
        tags:
          - node
        responses:
          200:
            description: OK
            schema:
              type: object
              id: NodeCoordinatorState
              properties:
                name:
                  type: string
                  description: The name of the node
                coordinator_state:
                  type: string
                  description: The current coordinator state
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.node_coordinator_state(node)

    @RequestParser([
        { 'name': 'state', 'choices': ('primary', 'secondary'), 'helptext': "A valid state must be specified", 'required': True }
    ])
    @Authenticator
    def post(self, node, reqargs):
        """
        Set the coordinator state of {node}
        ---
        tags:
          - node
        parameters:
          - in: query
            name: action
            type: string
            required: true
            description: The new coordinator state of the node
            enum:
              - primary
              - secondary
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        if reqargs['state'] == 'primary':
            return api_helper.node_primary(node)
        if reqargs['state'] == 'secondary':
            return api_helper.node_secondary(node)
        abort(400)
api.add_resource(API_Node_CoordinatorState, '/node/<node>/coordinator-state')

# /node/<node>/domain-state
class API_Node_DomainState(Resource):
    @Authenticator
    def get(self, node):
        """
        Return the domain state of {node}
        ---
        tags:
          - node
        responses:
          200:
            description: OK
            schema:
              type: object
              id: NodeDomainState
              properties:
                name:
                  type: string
                  description: The name of the node
                domain_state:
                  type: string
                  description: The current domain state
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.node_domain_state(node)

    @RequestParser([
        { 'name': 'state', 'choices': ('ready', 'flush'), 'helptext': "A valid state must be specified", 'required': True }
    ])
    @Authenticator
    def post(self, node, reqargs):
        """
        Set the domain state of {node}
        ---
        tags:
          - node
        parameters:
          - in: query
            name: action
            type: string
            required: true
            description: The new domain state of the node
            enum:
              - flush
              - ready
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        if reqargs['state'] == 'flush':
            return api_helper.node_flush(node)
        if reqargs['state'] == 'ready':
            return api_helper.node_ready(node)
        abort(400)
api.add_resource(API_Node_DomainState, '/node/<node>/domain-state')


##########################################################
# Client API - VM
##########################################################

# /vm
class API_VM_Root(Resource):
    @RequestParser([
        { 'name': 'limit' },
        { 'name': 'node' },
        { 'name': 'state' },
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of VMs in the cluster
        ---
        tags:
          - vm
        definitions:
          - schema:
              type: object
              id: vm
              properties:
                name:
                  type: string
                  description: The name of the VM
                uuid:
                  type: string
                  description: The UUID of the VM
                state:
                  type: string
                  description: The current state of the VM
                node:
                  type: string
                  description: The node the VM is currently assigned to
                last_node:
                  type: string
                  description: The last node the VM was assigned to before migrating
                migrated:
                  type: string
                  description: Whether the VM has been migrated, either "no" or "from <last_node>"
                failed_reason:
                  type: string
                  description: Information about why the VM failed to start
                node_limit:
                  type: array
                  description: The node(s) the VM is permitted to be assigned to
                  items:
                    type: string
                node_selector:
                  type: string
                  description: The selector used to determine candidate nodes during migration
                node_autostart:
                  type: boolean
                  description: Whether to autostart the VM when its node returns to ready domain state
                description:
                  type: string
                  description: The description of the VM
                profile:
                  type: string
                  description: The provisioner profile used to create the VM
                memory:
                  type: integer
                  description: The assigned RAM of the VM in MB
                vcpu:
                  type: integer
                  description: The assigned vCPUs of the VM
                vcpu_topology:
                  type: string
                  description: The topology of the assigned vCPUs in Sockets/Cores/Threads format
                type:
                  type: string
                  description: The type of the VM
                arch:
                  type: string
                  description: The architecture of the VM
                machine:
                  type: string
                  description: The QEMU machine type of the VM
                console:
                  type: string
                  descritpion: The serial console type of the VM
                emulator:
                  type: string
                  description: The binary emulator of the VM
                features:
                  type: array
                  description: The available features of the VM
                  items:
                    type: string
                networks:
                  type: array
                  description: The PVC networks attached to the VM
                  items:
                    type: object
                    properties:
                      type:
                        type: string
                        description: The PVC network type
                      mac:
                        type: string
                        description: The MAC address of the VM network interface
                      source:
                        type: string
                        description: The parent network bridge on the node
                      model:
                        type: string
                        description: The virtual network device model
                disks:
                  type: array
                  description: The PVC storage volumes attached to the VM
                  items:
                    type: object
                    properties:
                      type:
                        type: string
                        description: The type of volume
                      name:
                        type: string
                        description: The full name of the volume in "pool/volume" format
                      dev:
                        type: string
                        description: The device ID of the volume in the VM
                      bus:
                        type: string
                        description: The virtual bus of the volume in the VM
                controllers:
                  type: array
                  description: The device controllers attached to the VM
                  items:
                    type: object
                    properties:
                      type:
                        type: string
                        description: The type of the controller
                      model:
                        type: string
                        description: The model of the controller
                xml:
                  type: string
                  description: The raw Libvirt XML definition of the VM
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A name search limit; fuzzy by default, use ^/$ to force exact matches
          - in: query
            name: node
            type: string
            required: false
            description: Limit list to VMs assigned to this node
          - in: query
            name: state
            type: string
            required: false
            description: Limit list to VMs in this state
        responses:
          200:
            description: OK
            schema:
              type: array
              items:
                $ref: '#/definitions/vm'
        """
        return api_helper.vm_list(
            reqargs.get('node', None),
            reqargs.get('state', None),
            reqargs.get('limit', None)
        )

    @RequestParser([
        { 'name': 'limit' },
        { 'name': 'node' },
        { 'name': 'selector', 'choices': ('mem', 'vcpu', 'load', 'vms'), 'helptext': "A valid selector must be specified" },
        { 'name': 'autostart' },
        { 'name': 'xml', 'required': True, 'helptext': "A Libvirt XML document must be specified" },
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Create a new virtual machine
        ---
        tags:
          - vm
        parameters:
          - in: query
            name: xml
            type: string
            required: true
            description: The raw Libvirt XML definition of the VM
          - in: query
            name: node
            type: string
            required: false
            description: The node the VM should be assigned to; autoselect if empty or invalid
          - in: query
            name: limit
            type: string
            required: false
            description: The CSV list of node(s) the VM is permitted to be assigned to; should include "node" and any other valid target nodes; this limit will be used for autoselection on definition and migration
          - in: query
            name: selector
            type: string
            required: false
            description: The selector used to determine candidate nodes during migration
            default: mem
            enum:
              - mem
              - vcpu
              - load
              - vms
          - in: query
            name: autostart
            type: boolean
            required: false
            description: Whether to autostart the VM when its node returns to ready domain state
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.vm_define(
            reqargs.get('xml'),
            reqargs.get('node', None),
            reqargs.get('limit', None),
            reqargs.get('selector', 'mem'),
            reqargs.get('autostart', False)
        )
api.add_resource(API_VM_Root, '/vm')

# /vm/<vm>
class API_VM_Element(Resource):
    @Authenticator
    def get(self, vm):
        """
        Return information about {vm}
        ---
        tags:
          - vm
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/vm'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.vm_list(None, None, vm, is_fuzzy=False)

    @RequestParser([
        { 'name': 'limit' },
        { 'name': 'node' },
        { 'name': 'selector', 'choices': ('mem', 'vcpu', 'load', 'vms'), 'helptext': "A valid selector must be specified" },
        { 'name': 'autostart' },
        { 'name': 'xml', 'required': True, 'helptext': "A Libvirt XML document must be specified" },
    ])
    @Authenticator
    def post(self, vm, reqargs):
        """
        Create new {vm}
        Note: The name {vm} is ignored; only the "name" value from the Libvirt XML is used
        This endpoint is identical to "POST /api/v1/vm"
        ---
        tags:
          - vm
        parameters:
          - in: query
            name: xml
            type: string
            required: true
            description: The raw Libvirt XML definition of the VM
          - in: query
            name: node
            type: string
            required: false
            description: The node the VM should be assigned to; autoselect if empty or invalid
          - in: query
            name: limit
            type: string
            required: false
            description: The CSV list of node(s) the VM is permitted to be assigned to; should include "node" and any other valid target nodes; this limit will be used for autoselection on definition and migration
          - in: query
            name: selector
            type: string
            required: false
            description: The selector used to determine candidate nodes during migration
            default: mem
            enum:
              - mem
              - vcpu
              - load
              - vms
          - in: query
            name: autostart
            type: boolean
            required: false
            description: Whether to autostart the VM when its node returns to ready domain state
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.vm_define(
            reqargs.get('xml'),
            reqargs.get('node', None),
            reqargs.get('limit', None),
            reqargs.get('selector', 'mem'),
            reqargs.get('autostart', False)
        )

    @RequestParser([
        { 'name': 'restart' },
        { 'name': 'xml', 'required': True, 'helptext': "A Libvirt XML document must be specified" },
    ])
    @Authenticator
    def put(self, vm, reqargs):
        """
        Update the Libvirt XML of {vm}
        ---
        tags:
          - vm
        parameters:
          - in: query
            name: xml
            type: string
            required: true
            description: The raw Libvirt XML definition of the VM
          - in: query
            name: restart
            type: boolean
            description: Whether to automatically restart the VM to apply the new configuration
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.vm_modify(
            vm,
            reqargs.get('restart', False),
            reqargs.get('xml', None)
        )

    @RequestParser([
        { 'name': 'delete_disks' },
    ])
    @Authenticator
    def delete(self, vm, reqargs):
        """
        Remove {vm}
        ---
        tags:
          - vm
        parameters:
          - in: query
            name: delete_disks
            type: boolean
            default: false
            description: Whether to automatically delete all VM disk volumes
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
          404:
            description: VM not found
            schema:
              type: object
              id: Message
        """
        if reqargs.get('delete_disks', False):
            return api_helper.vm_remove(vm)
        else:
            return api_helper.vm_undefine(vm)
api.add_resource(API_VM_Element, '/vm/<vm>')

# /vm/<vm>/meta
class API_VM_Metadata(Resource):
    @Authenticator
    def get(self, vm):
        """
        Return the metadata of {vm}
        ---
        tags:
          - vm
        responses:
          200:
            description: OK
            schema:
              type: object
              id: VMMetadata
              properties:
                name:
                  type: string
                  description: The name of the VM
                node_limit:
                  type: array
                  description: The node(s) the VM is permitted to be assigned to
                  items:
                    type: string
                node_selector:
                  type: string
                  description: The selector used to determine candidate nodes during migration
                node_autostart:
                  type: string
                  description: Whether to autostart the VM when its node returns to ready domain state
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.get_vm_meta(vm)

    @RequestParser([
        { 'name': 'limit' },
        { 'name': 'selector', 'choices': ('mem', 'vcpu', 'load', 'vms'), 'helptext': "A valid selector must be specified" },
        { 'name': 'autostart' },
    ])
    @Authenticator
    def post(self, vm, reqargs):
        """
        Set the metadata of {vm}
        ---
        tags:
          - vm
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: The CSV list of node(s) the VM is permitted to be assigned to; should include "node" and any other valid target nodes; this limit will be used for autoselection on definition and migration
          - in: query
            name: selector
            type: string
            required: false
            description: The selector used to determine candidate nodes during migration
            enum:
              - mem
              - vcpu
              - load
              - vms
          - in: query
            name: autostart
            type: boolean
            required: false
            description: Whether to autostart the VM when its node returns to ready domain state
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.update_vm_meta(
            reqargs.get('limit', None),
            reqargs.get('selector', None),
            reqargs.get('autostart', None)
        )
api.add_resource(API_VM_Metadata, '/vm/<vm>/meta')

# /vm/<vm</state
class API_VM_State(Resource):
    @Authenticator
    def get(self, vm):
        """
        Return the state information of {vm}
        ---
        tags:
          - vm
        responses:
          200:
            description: OK
            schema:
              type: object
              id: VMState
              properties:
                name:
                  type: string
                  description: The name of the VM
                state:
                  type: string
                  description: The current state of the VM
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.vm_state(vm)

    @RequestParser([
        { 'name': 'state', 'choices': ('start', 'shutdown', 'stop', 'restart', 'disable'), 'helptext': "A valid state must be specified", 'required': True }
    ])
    @Authenticator
    def post(self, vm, reqargs):
        """
        Set the state of {vm}
        ---
        tags:
          - vm
        parameters:
          - in: query
            name: state
            type: string
            required: true
            description: The new state of the VM
            enum:
              - start
              - shutdown
              - stop
              - restart
              - disable
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        state = reqargs.get('state', None)

        if state == 'start':
            return api_helper.vm_start(vm)
        if state == 'shutdown':
            return api_helper.vm_shutdown(vm)
        if state == 'stop':
            return api_helper.vm_stop(vm)
        if state == 'restart':
            return api_helper.vm_restart(vm)
        if state == 'disable':
            return api_helper.vm_disable(vm)
        abort(400)
api.add_resource(API_VM_State, '/vm/<vm>/state')

# /vm/<vm>/node
class API_VM_Node(Resource):
    @Authenticator
    def get(self, vm):
        """
        Return the node information of {vm}
        ---
        tags:
          - vm
        responses:
          200:
            description: OK
            schema:
              type: object
              id: VMNode
              properties:
                name:
                  type: string
                  description: The name of the VM
                node:
                  type: string
                  description: The node the VM is currently assigned to
                last_node:
                  type: string
                  description: The last node the VM was assigned to before migrating
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.vm_node(vm)

    @RequestParser([
        { 'name': 'action', 'choices': ('migrate', 'unmigrate', 'move'), 'helptext': "A valid action must be specified", 'required': True },
        { 'name': 'node' },
        { 'name': 'force' }
    ])
    @Authenticator
    def post(self, vm, reqargs):
        """
        Set the node of {vm}
        ---
        tags:
          - vm
        parameters:
          - in: query
            name: action
            type: string
            required: true
            description: The action to take to change nodes
            enum:
              - migrate
              - unmigrate
              - move
          - in: query
            name: node
            type: string
            description: The node the VM should be assigned to; autoselect if empty or invalid
          - in: query
            name: force
            type: boolean
            description: Whether to force an already-migrated VM to a new node
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        action = reqargs.get('action', None)
        node = reqargs.get('node', None)
        force = reqargs.get('force', False)

        if action == 'move':
            return api_helper.vm_move(vm, node)
        if action == 'migrate':
            return api_helper.vm_migrate(vm, node, force)
        if action == 'unmigrate':
            return api_helper.vm_unmigrate(vm)
        abort(400)
api.add_resource(API_VM_Node, '/vm/<vm>/node')

# /vm/<vm>/locks
class API_VM_Locks(Resource):
    @Authenticator
    def post(self, vm):
        """
        Flush disk locks of {vm}
        ---
        tags:
          - vm
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.vm_flush_locks(vm)
api.add_resource(API_VM_Locks, '/vm/<vm>/locks')


##########################################################
# Client API - Network
##########################################################

# /network
class API_Network_Root(Resource):
    @RequestParser([
        { 'name': 'limit' }
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of networks in the cluster
        ---
        tags:
          - network
        definitions:
          - schema:
              type: object
              id: network
              properties:
                vni:
                  type: integer
                  description: The VNI of the network
                description:
                  type: string
                  description: The description of the network
                type:
                  type: string
                  description: The type of network
                  enum:
                    - managed
                    - bridged
                domain:
                  type: string
                  description: The DNS domain of the network ("managed" networks only)
                name_servers:
                  type: array
                  description: The configured DNS nameservers of the network for NS records ("managed" networks only)
                  items:
                    type: string
                ip4:
                  type: object
                  description: The IPv4 details of the network ("managed" networks only)
                  properties:
                    network:
                      type: string
                      description: The IPv4 network subnet in CIDR format
                    gateway:
                      type: string
                      description: The IPv4 default gateway address
                    dhcp_flag:
                      type: boolean
                      description: Whether DHCP is enabled
                    dhcp_start:
                      type: string
                      description: The IPv4 DHCP pool start address
                    dhcp_end:
                      type: string
                      description: The IPv4 DHCP pool end address
                ip6:
                  type: object
                  description: The IPv6 details of the network ("managed" networks only)
                  properties:
                    network:
                      type: string
                      description: The IPv6 network subnet in CIDR format
                    gateway:
                      type: string
                      description: The IPv6 default gateway address
                    dhcp_flag:
                      type: boolean
                      description: Whether DHCPv6 is enabled
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A VNI or description search limit; fuzzy by default, use ^/$ to force exact matches
        responses:
          200:
            description: OK
            schema:
              type: array
              items:
                $ref: '#/definitions/network'
        """
        return api_helper.net_list(reqargs.get('limit', None))

    @RequestParser([
        { 'name': 'vni', 'required': True },
        { 'name': 'description', 'required': True },
        { 'name': 'nettype', 'choices': ('managed', 'bridged'), 'helptext': 'A valid nettype must be specified', 'required': True },
        { 'name': 'domain' },
        { 'name': 'name_servers' },
        { 'name': 'ip4_network' },
        { 'name': 'ip4_gateway' },
        { 'name': 'ip6_network' },
        { 'name': 'ip6_gateway' },
        { 'name': 'dhcp4' },
        { 'name': 'dhcp4_start' },
        { 'name': 'dhcp4_end' }
    ])
    @Authenticator
    def post(self):
        """
        Create a new network
        ---
        tags:
          - network
        parameters:
          - in: query
            name: vni
            type: integer
            required: true
            description: The VNI of the network
          - in: query
            name: description
            type: string
            required: true
            description: The description of the network
          - in: query
            name: nettype
            type: string
            required: true
            description: The type of network
            enum:
              - managed
              - bridged
          - in: query
            name: domain
            type: string
            description: The DNS domain of the network ("managed" networks only)
          - in: query
            name: name_servers
            type: string
            description: The CSV list of DNS nameservers for network NS records ("managed" networks only)
          - in: query
            name: ip4_network
            type: string
            description: The IPv4 network subnet of the network in CIDR format; IPv4 disabled if unspecified ("managed" networks only)
          - in: query
            name: ip4_gateway
            type: string
            description: The IPv4 default gateway address of the network ("managed" networks only)
          - in: query
            name: dhcp4
            type: boolean
            description: Whether to enable DHCPv4 for the network ("managed" networks only)
          - in: query
            name: dhcp4_start
            type: string
            description: The DHCPv4 pool start address of the network ("managed" networks only)
          - in: query
            name: dhcp4_end
            type: string
            description: The DHCPv4 pool end address of the network ("managed" networks only)
          - in: query
            name: ip6_network
            type: string
            description: The IPv6 network subnet of the network in CIDR format; IPv6 disabled if unspecified; DHCPv6 is always used in IPv6 managed networks ("managed" networks only)
          - in: query
            name: ip6_gateway
            type: string
            description: The IPv6 default gateway address of the network ("managed" networks only)
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.net_add(
            reqargs.get('vni', None),
            reqargs.get('description', None),
            reqargs.get('nettype', None),
            reqargs.get('domain', None),
            reqargs.get('name_servers', None).split(','),
            reqargs.get('ip4_network', None),
            reqargs.get('ip4_gateway', None),
            reqargs.get('ip6_network', None),
            reqargs.get('ip6_gateway', None),
            reqargs.get('dhcp4_flag', None),
            reqargs.get('dhcp4_start', None),
            reqargs.get('dhcp4_end', None),
        )
api.add_resource(API_Network_Root, '/network')

# /network/<vni>
class API_Network_Element(Resource):
    @Authenticator
    def get(self, vni):
        """
        Return information about network {vni}
        ---
        tags:
          - network
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/network'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.net_list(vni, is_fuzzy=False)

    @RequestParser([
        { 'name': 'description', 'required': True },
        { 'name': 'nettype', 'choices': ('managed', 'bridged'), 'helptext': 'A valid nettype must be specified', 'required': True },
        { 'name': 'domain' },
        { 'name': 'name_servers' },
        { 'name': 'ip4_network' },
        { 'name': 'ip4_gateway' },
        { 'name': 'ip6_network' },
        { 'name': 'ip6_gateway' },
        { 'name': 'dhcp4' },
        { 'name': 'dhcp4_start' },
        { 'name': 'dhcp4_end' }
    ])
    @Authenticator
    def post(self, vni, reqargs):
        """
        Create a new network {vni}
        ---
        tags:
          - network
        parameters:
          - in: query
            name: description
            type: string
            required: true
            description: The description of the network
          - in: query
            name: nettype
            type: string
            required: true
            description: The type of network
            enum:
              - managed
              - bridged
          - in: query
            name: domain
            type: string
            description: The DNS domain of the network ("managed" networks only)
          - in: query
            name: name_servers
            type: string
            description: The CSV list of DNS nameservers for network NS records ("managed" networks only)
          - in: query
            name: ip4_network
            type: string
            description: The IPv4 network subnet of the network in CIDR format; IPv4 disabled if unspecified ("managed" networks only)
          - in: query
            name: ip4_gateway
            type: string
            description: The IPv4 default gateway address of the network ("managed" networks only)
          - in: query
            name: dhcp4
            type: boolean
            description: Whether to enable DHCPv4 for the network ("managed" networks only)
          - in: query
            name: dhcp4_start
            type: string
            description: The DHCPv4 pool start address of the network ("managed" networks only)
          - in: query
            name: dhcp4_end
            type: string
            description: The DHCPv4 pool end address of the network ("managed" networks only)
          - in: query
            name: ip6_network
            type: string
            description: The IPv6 network subnet of the network in CIDR format; IPv6 disabled if unspecified; DHCPv6 is always used in IPv6 managed networks ("managed" networks only)
          - in: query
            name: ip6_gateway
            type: string
            description: The IPv6 default gateway address of the network ("managed" networks only)
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.net_add(
            reqargs.get('vni', None),
            reqargs.get('description', None),
            reqargs.get('nettype', None),
            reqargs.get('domain', None),
            reqargs.get('name_servers', None).split(','),
            reqargs.get('ip4_network', None),
            reqargs.get('ip4_gateway', None),
            reqargs.get('ip6_network', None),
            reqargs.get('ip6_gateway', None),
            reqargs.get('dhcp4_flag', None),
            reqargs.get('dhcp4_start', None),
            reqargs.get('dhcp4_end', None),
        )

    @RequestParser([
        { 'name': 'description' },
        { 'name': 'domain' },
        { 'name': 'name_servers' },
        { 'name': 'ip4_network' },
        { 'name': 'ip4_gateway' },
        { 'name': 'ip6_network' },
        { 'name': 'ip6_gateway' },
        { 'name': 'dhcp4' },
        { 'name': 'dhcp4_start' },
        { 'name': 'dhcp4_end' }
    ])
    @Authenticator
    def put(self, vni):
        """
        Update details of network {vni}
        Note: A network's type cannot be changed; the network must be removed and recreated as the new type
        ---
        tags:
          - network
        parameters:
          - in: query
            name: description
            type: string
            description: The description of the network
          - in: query
            name: domain
            type: string
            description: The DNS domain of the network ("managed" networks only)
          - in: query
            name: name_servers
            type: string
            description: The CSV list of DNS nameservers for network NS records ("managed" networks only)
          - in: query
            name: ip4_network
            type: string
            description: The IPv4 network subnet of the network in CIDR format; IPv4 disabled if unspecified ("managed" networks only)
          - in: query
            name: ip4_gateway
            type: string
            description: The IPv4 default gateway address of the network ("managed" networks only)
          - in: query
            name: dhcp4
            type: boolean
            description: Whether to enable DHCPv4 for the network ("managed" networks only)
          - in: query
            name: dhcp4_start
            type: string
            description: The DHCPv4 pool start address of the network ("managed" networks only)
          - in: query
            name: dhcp4_end
            type: string
            description: The DHCPv4 pool end address of the network ("managed" networks only)
          - in: query
            name: ip6_network
            type: string
            description: The IPv6 network subnet of the network in CIDR format; IPv6 disabled if unspecified; DHCPv6 is always used in IPv6 managed networks ("managed" networks only)
          - in: query
            name: ip6_gateway
            type: string
            description: The IPv6 default gateway address of the network ("managed" networks only)
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.net_modify(
            reqargs.get('description', None),
            reqargs.get('domain', None),
            reqargs.get('name_servers', None).split(','),
            reqargs.get('ip4_network', None),
            reqargs.get('ip4_gateway', None),
            reqargs.get('ip6_network', None),
            reqargs.get('ip6_gateway', None),
            reqargs.get('dhcp4_flag', None),
            reqargs.get('dhcp4_start', None),
            reqargs.get('dhcp4_end', None),
        )

    @Authenticator
    def delete(self, vni):
        """
        Remove network {vni}
        ---
        tags:
          - network
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.net_remove(vni)
api.add_resource(API_Network_Element, '/network/<vni>')

# /network/<vni>/lease
class API_Network_Lease_Root(Resource):
    @RequestParser([
        { 'name': 'limit' },
        { 'name': 'static' }
    ])
    @Authenticator
    def get(self, vni, reqargs):
        """
        Return a list of DHCP leases in network {vni}
        ---
        tags:
          - network
        definitions:
          - schema:
              type: object
              id: lease
              properties:
                hostname:
                  type: string
                  description: The (short) hostname of the lease
                ip4_address:
                  type: string
                  description: The IPv4 address of the lease
                mac_address:
                  type: string
                  description: The MAC address of the lease
                timestamp:
                  type: integer
                  description: The UNIX timestamp of the lease creation
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A MAC address search limit; fuzzy by default, use ^/$ to force exact matches
          - in: query
            name: static
            type: boolean
            required: false
            default: false
            description: Whether to show only static leases
        responses:
          200:
            description: OK
            schema:
              type: array
              items:
                $ref: '#/definitions/lease'
          400:
            description: Bad request
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.net_dhcp_list(
            vni,
            reqargs.get('limit', None),
            reqargs.get('static', False)
        )

    @RequestParser([
        { 'name': 'macaddress', 'required': True },
        { 'name': 'ipaddress', 'required': True },
        { 'name': 'hostname' }
    ])
    @Authenticator
    def post(self, vni, reqargs):
        """
        Create a new static DHCP lease in network {vni}
        ---
        tags:
          - network
        parameters:
          - in: query
            name: macaddress
            type: string
            required: false
            description: A MAC address for the lease
          - in: query
            name: ipaddress
            type: string
            required: false
            description: An IPv4 address for the lease
          - in: query
            name: hostname
            type: string
            required: false
            description: An optional hostname for the lease
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.net_dhcp_add(
            vni,
            reqargs.get('ipaddress', None),
            reqargs.get('macaddres', None),
            reqargs.get('hostname', None)
        )
api.add_resource(API_Network_Lease_Root, '/network/<vni>/lease')

# /network/<vni>/lease/{mac}
class API_Network_Lease_Element(Resource):
    @Authenticator
    def get(self, vni, mac):
        """
        Return information about DHCP lease {mac} in network {vni}
        ---
        tags:
          - network
        definitions:
          - schema:
              type: object
              id: lease
              properties:
                hostname:
                  type: string
                  description: The (short) hostname of the lease
                ip4_address:
                  type: string
                  description: The IPv4 address of the lease
                mac_address:
                  type: string
                  description: The MAC address of the lease
                timestamp:
                  type: integer
                  description: The UNIX timestamp of the lease creation
        responses:
          200:
            description: OK
            schema:
              type: array
              items:
                $ref: '#/definitions/lease'
          400:
            description: Bad request
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.net_dhcp_list(
            network,
            lease,
            False
        )

    @RequestParser([
        { 'name': 'ipaddress', 'required': True },
        { 'name': 'hostname' }
    ])
    @Authenticator
    def post(self, vni, mac):
        """
        Create a new static DHCP lease {mac} in network {vni}
        ---
        tags:
          - network
        parameters:
          - in: query
            name: macaddress
            type: string
            required: false
            description: A MAC address for the lease
          - in: query
            name: ipaddress
            type: string
            required: false
            description: An IPv4 address for the lease
          - in: query
            name: hostname
            type: string
            required: false
            description: An optional hostname for the lease
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.net_dhcp_add(
            vni,
            reqargs.get('ipaddress', None),
            mac,
            reqargs.get('hostname', None)
        )

    @Authenticator
    def delete(self, vni, mac):
        """
        Delete static DHCP lease {mac}
        ---
        tags:
          - network
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.net_dhcp_remove(
            vni,
            mac
        )
api.add_resource(API_Network_Lease_Element, '/network/<vni>/lease/<mac>')

# /network/<vni>/acl
class API_Network_ACL_Root(Resource):
    @RequestParser([
        { 'name': 'limit' },
        { 'name': 'direction', 'choices': ('in', 'out'), 'helpmsg': "A valid direction must be specified" }
    ])
    @Authenticator
    def get(self, vni, reqargs):
        """
        Return a list of ACLs in network {vni}
        ---
        tags:
          - network
        definitions:
          - schema:
              type: object
              id: acl
              properties:
                description:
                  type: string
                  description: The description of the rule
                direction:
                  type: string
                  description: The direction the rule applies in
                order:
                  type: integer
                  description: The order of the rule in the chain
                rule:
                  type: string
                  description: The NFT-format rule string
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A description search limit; fuzzy by default, use ^/$ to force exact matches
          - in: query
            name: direction
            type: string
            required: false
            description: The direction of rules to display; both directions shown if unspecified
        responses:
          200:
            description: OK
            schema:
              type: array
              items:
                $ref: '#/definitions/acl'
          400:
            description: Bad request
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.net_acl_list(
            vni,
            reqargs.get('limit', None),
            reqargs.get('direction', None)
        )

    @RequestParser([
        { 'name': 'description', 'required': True, 'helpmsg': "A whitespace-free description must be specified" },
        { 'name': 'rule', 'required': True, 'helpmsg': "A rule must be specified" },
        { 'name': 'direction', 'choices': ('in', 'out'), 'helpmsg': "A valid direction must be specified" },
        { 'name': 'order' }
    ])
    @Authenticator
    def post(self, vni, reqargs):
        """
        Create a new ACL in network {vni}
        ---
        tags:
          - network
        parameters:
          - in: query
            name: description
            type: string
            required: true
            description: A whitespace-free description/name for the ACL
          - in: query
            name: direction
            type: string
            required: false
            description: The direction of the ACL; defaults to "in" if unspecified
            enum:
              - in
              - out
          - in: query
            name: order
            type: integer
            description: The order of the ACL in the chain; defaults to the end
          - in: query
            name: rule
            type: string
            required: true
            description: The raw NFT firewall rule string
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.net_acl_add(
            vni,
            reqargs.get('direction', 'in'),
            reqargs.get('description', None),
            reqargs.get('rule', None),
            reqargs.get('order', None)
        )
api.add_resource(API_Network_ACL_Root, '/network/<vni>/acl')

# /network/<vni>/acl/<description>
class API_Network_ACL_Element(Resource):
    @Authenticator
    def get(self, vni, description):
        """
        Return information about ACL {description} in network {vni}
        ---
        tags:
          - network
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/acl'
          400:
            description: Bad request
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.net_acl_list(
            vni,
            description,
            None,
            is_fuzzy=False
        )

    @RequestParser([
        { 'name': 'rule', 'required': True, 'helpmsg': "A rule must be specified" },
        { 'name': 'direction', 'choices': ('in', 'out'), 'helpmsg': "A valid direction must be specified" },
        { 'name': 'order' }
    ])
    @Authenticator
    def post(self, vni, description, reqargs):
        """
        Create a new ACL {description} in network {vni}
        ---
        tags:
          - network
        parameters:
          - in: query
            name: direction
            type: string
            required: false
            description: The direction of the ACL; defaults to "in" if unspecified
            enum:
              - in
              - out
          - in: query
            name: order
            type: integer
            description: The order of the ACL in the chain; defaults to the end
          - in: query
            name: rule
            type: string
            required: true
            description: The raw NFT firewall rule string
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.net_acl_add(
            vni,
            reqargs.get('direction', 'in'),
            description,
            reqargs.get('rule', None),
            reqargs.get('order', None)
        )

    @Authenticator
    def delete(self, vni, description):
        """
        Delete ACL {description} in network {vni}
        ---
        tags:
          - network
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.net_acl_remove(
            vni,
            description
        )
api.add_resource(API_Network_ACL_Element, '/network/<vni>/acl/<description>')


##########################################################
# Client API - Storage
##########################################################
# Note: The prefix `/storage` allows future potential storage subsystems.
#       Since Ceph is the only section not abstracted by PVC directly
#       (i.e. it references Ceph-specific concepts), this makes more
#       sense in the long-term.#

# /storage
class API_Storage_Root(Resource):
    @Authenticator
    def get(self):
        pass
api.add_resource(API_Storage_Root, '/storage')

# /storage/ceph
class API_Storage_Ceph_Root(Resource):
    @Authenticator
    def get(self):
        pass
api.add_resource(API_Storage_Ceph_Root, '/storage/ceph')

# /storage/ceph/status
class API_Storage_Ceph_Status(Resource):
    @Authenticator
    def get(self):
        """
        Return status data for the PVC Ceph cluster
        ---
        tags:
          - storage / ceph
        responses:
          200:
            description: OK
            schema:
              type: object
              properties:
                type:
                  type: string
                  description: The type of Ceph data returned
                primary_node:
                  type: string
                  description: The curent primary node in the cluster
                ceph_data:
                  type: string
                  description: The raw output data
        """
        return api_helper.ceph_status()
api.add_resource(API_Storage_Ceph_Status, '/storage/ceph/status')

# /storage/ceph/utilization
class API_Storage_Ceph_Utilization(Resource):
    @Authenticator
    def get(self):
        """
        Return utilization data for the PVC Ceph cluster
        ---
        tags:
          - storage / ceph
        responses:
          200:
            description: OK
            schema:
              type: object
              properties:
                type:
                  type: string
                  description: The type of Ceph data returned
                primary_node:
                  type: string
                  description: The curent primary node in the cluster
                ceph_data:
                  type: string
                  description: The raw output data
        """
        return api_helper.ceph_radosdf()
api.add_resource(API_Storage_Ceph_Utilization, '/storage/ceph/utilization')

# /storage/ceph/option
class API_Storage_Ceph_Option(Resource):
    @RequestParser([
        { 'name': 'option', 'required': True, 'helpmsg': "A valid option must be specified" },
        { 'name': 'action', 'required': True, 'choices': ('set', 'unset'), 'helpmsg': "A valid action must be specified" },
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Set or unset OSD options on the Ceph cluster
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: option
            type: string
            required: true
            description: The Ceph OSD option to act on; must be valid to "ceph osd set/unset"
          - in: query
            name: action
            type: string
            required: true
            description: The action to take
            enum:
              - set
              - unset
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        if reqargs.get('action') == 'set':
            return api_helper.ceph_osd_set(reqargs.get('option'))
        if reqargs.get('action') == 'unset':
            return api_helper.ceph_osd_unset(reqargs.get('option'))
        abort(400)
api.add_resource(API_Storage_Ceph_Option, '/storage/ceph/option')

# /storage/ceph/osd
class API_Storage_Ceph_OSD_Root(Resource):
    @RequestParser([
        { 'name': 'limit' },
    ])
    @Authenticator
    def get(self, reqargs):
        """
        TODO
        """
        api_helper.ceph_osd_list(
            reqargs.get('limit', None)
        )

    @RequestParser([
        { 'name': 'node', 'required': True, 'helpmsg': "A valid node must be specified" },
        { 'name': 'device', 'required': True, 'helpmsg': "A valid device must be specified" },
        { 'name': 'weight', 'required': True, 'helpmsg': "An OSD weight must be specified" },
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Add a Ceph OSD to the cluster
        Note: This task may take up to 30s to complete and return
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: node
            type: string
            required: true
            description: The PVC node to create the OSD on
          - in: query
            name: device
            type: string
            required: true
            description: The block device (e.g. "/dev/sdb", "/dev/disk/by-path/...", etc.) to create the OSD on
          - in: query
            name: weight
            type: number
            required: true
            description: The Ceph CRUSH weight for the OSD
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_osd_add(
            reqargs.get('node', None),
            reqargs.get('device', None),
            reqargs.get('weight', None)
        )
api.add_resource(API_Storage_Ceph_OSD_Root, '/storage/ceph/osd')

# /storage/ceph/osd/<osdid>
class API_Storage_Ceph_OSD_Element(Resource):
    @Authenticator
    def get(self, osdid):
        """
        TODO
        """
        return api_helper.ceph_osd_list(
            osdid
        )

    @RequestParser([
        { 'name': 'yes-i-really-mean-it', 'required': True, 'helpmsg': "Please confirm that yes-i-really-mean-it" }
    ])
    @Authenticator
    def delete(self, osdid, reqargs):
        """
        Remove Ceph OSD {osdid}
        Note: This task may take up to 30s to complete and return
        Warning: This operation may have unintended consequences for the storage cluster; ensure the cluster can support removing the OSD before proceeding
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: yes-i-really-mean-it
            type: string
            required: true
            description: A confirmation string to ensure that the API consumer really means it
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_osd_remove(
            osdid
        )
api.add_resource(API_Storage_Ceph_OSD_Element, '/storage/ceph/osd/<osdid>')

# /storage/ceph/osd/<osdid>/state
class API_Storage_Ceph_OSD_State(Resource):
    @Authenticator
    def get(self, osdid):
        """
        TODO
        """
        return api_helper.ceph_osd_state(
            osdid
        )

    @RequestParser([
        { 'name': 'state', 'choices': ('in', 'out'), 'required': True, 'helpmsg': "A valid state must be specified" },
    ])
    @Authenticator
    def post(self, osdid, reqargs):
        """
        TODO
        """
        if reqargs.get('state', None) == 'in':
            return api_helper.ceph_osd_in(
                osdid
            )
        if reqargs.get('state', None) == 'out':
            return api_helper.ceph_osd_out(
                osdid
            )
        abort(400)
api.add_resource(API_Storage_Ceph_OSD_State, '/storage/ceph/osd/<osdid>/state')

# /storage/ceph/pool
class API_Storage_Ceph_Pool_Root(Resource):
    @RequestParser([
        { 'name': 'limit' }
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of pools in the cluster
        ---
        tags:
          - storage / ceph
        definitions:
          - schema:
              type: object
              id: pool
              properties:
                name:
                  type: string
                  description: The name of the pool
                stats:
                  type: object
                  properties:
                    id:
                      type: integer
                      description: The Ceph pool ID
                    free_bytes:
                      type: integer
                      description: The total free space (in bytes)
                    used_bytes:
                      type: integer
                      description: The total used space (in bytes)
                    used_percent:
                      type: number
                      description: The ratio of used space to free space
                    num_objects:
                      type: integer
                      description: The number of Ceph objects before replication
                    num_object_clones:
                      type: integer
                      description: The total number of cloned Ceph objects
                    num_object_copies:
                      type: integer
                      description: The total number of Ceph objects after replication
                    num_objects_missing_on_primary:
                      type: integer
                      description: The total number of missing-on-primary Ceph objects
                    num_objects_unfound:
                      type: integer
                      description: The total number of unfound Ceph objects
                    num_objects_degraded:
                      type: integer
                      description: The total number of degraded Ceph objects
                    read_ops:
                      type: integer
                      description: The total read operations on the pool (pool-lifetime)
                    read_bytes:
                      type: integer
                      description: The total read bytes on the pool (pool-lifetime)
                    write_ops:
                      type: integer
                      description: The total write operations on the pool (pool-lifetime)
                    write_bytes:
                      type: integer
                      description: The total write bytes on the pool (pool-lifetime)
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A pool name search limit; fuzzy by default, use ^/$ to force exact matches
        responses:
          200:
            description: OK
            schema:
              type: array
              items:
                $ref: '#/definitions/pool'
        """
        return api_helper.ceph_pool_list(
            reqargs.get('limit', None)
        )

    @RequestParser([
        { 'name': 'pool', 'required': True, 'helpmsg': "A pool name must be specified" },
        { 'name': 'pgs', 'required': True, 'helpmsg': "A placement group count must be specified" },
        { 'name': 'replcfg', 'required': True, 'helpmsg': "A valid replication configuration must be specified" }
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Create a new Ceph pool
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: pool
            type: string
            required: true
            description: The name of the pool
          - in: query
            name: pgs
            type: integer
            required: true
            description: The number of placement groups (PGs) for the pool
          - in: query
            name: replcfg
            type: string
            required: true
            description: The replication configuration (e.g. "copies=3,mincopies=2") for the pool
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        api_helper.ceph_pool_add(
            reqargs.get('pool', None),
            reqargs.get('pgs', None),
            reqargs.get('replcfg', None)
        )
        pass
api.add_resource(API_Storage_Ceph_Pool_Root, '/storage/ceph/pool')

# /storage/ceph/pool/<pool>
class API_Storage_Ceph_Pool_Element(Resource):
    @Authenticator
    def get(self, pool):
        """
        Return information about {pool}
        ---
        tags:
          - storage / ceph
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/pool'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper,ceph_pool_list(
            pool,
            is_fuzzy=False
        )

    @RequestParser([
        { 'name': 'pgs', 'required': True, 'helpmsg': "A placement group count must be specified" },
        { 'name': 'replcfg', 'required': True, 'helpmsg': "A valid replication configuration must be specified" }
    ])
    @Authenticator
    def post(self, pool):
        """
        Create a new Ceph pool {pool}
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: pgs
            type: integer
            required: true
            description: The number of placement groups (PGs) for the pool
          - in: query
            name: replcfg
            type: string
            required: true
            description: The replication configuration (e.g. "copies=3,mincopies=2") for the pool
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        api_helper.ceph_pool_add(
            pool,
            reqargs.get('pgs', None),
            reqargs.get('replcfg', None)
        )

    @RequestParser([
        { 'name': 'yes-i-really-mean-it', 'required': True, 'helpmsg': "Please confirm that yes-i-really-mean-it" }
    ])
    @Authenticator
    def delete(self, pool, reqargs):
        """
        Remove Ceph pool {pool}
        Note: This task may take up to 30s to complete and return
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: yes-i-really-mean-it
            type: string
            required: true
            description: A confirmation string to ensure that the API consumer really means it
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_pool_remove(
            pool
        )
api.add_resource(API_Storage_Ceph_Pool_Element, '/storage/ceph/pool/<pool>')

# /storage/ceph/volume
class API_Storage_Ceph_Volume_Root(Resource):
    @RequestParser([
        { 'name': 'limit' },
        { 'name': 'pool' }
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of volumes in the cluster
        ---
        tags:
          - storage / ceph
        definitions:
          - schema:
              type: object
              id: volume
              properties:
                name:
                  type: string
                  description: The name of the volume
                pool:
                  type: string
                  description: The name of the pool containing the volume
                stats:
                  type: object
                  properties:
                    name:
                      type: string
                      description: The name of the volume
                    id:
                      type: string
                      description: The Ceph volume ID
                    size:
                      type: string
                      description: The size of the volume (human-readable values)
                    objects:
                      type: integer
                      description: The number of Ceph objects making up the volume
                    order:
                      type: integer
                      description: The Ceph volume order ID
                    object_size:
                      type: integer
                      description: The size of each object in bytes
                    snapshot_count:
                      type: integer
                      description: The number of snapshots of the volume
                    block_name_prefix:
                      type: string
                      description: The Ceph-internal block name prefix
                    format:
                      type: integer
                      description: The Ceph RBD volume format
                    features:
                      type: array
                      items:
                        type: string
                        description: The Ceph RBD feature
                    op_features:
                      type: array
                      items:
                        type: string
                        description: The Ceph RBD operational features
                    flags:
                      type: array
                      items:
                        type: string
                        description: The Ceph RBD volume flags
                    create_timestamp:
                      type: string
                      description: The volume creation timestamp
                    access_timestamp:
                      type: string
                      description: The volume access timestamp
                    modify_timestamp:
                      type: string
                      description: The volume modification timestamp
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A volume name search limit; fuzzy by default, use ^/$ to force exact matches
          - in: query
            name: pool
            type: string
            required: false
            description: A pool to limit the search to
        responses:
          200:
            description: OK
            schema:
              type: array
              items:
                $ref: '#/definitions/volume'
        """
        return api_helper.ceph_volume_list(
            reqargs.get('pool', None),
            reqargs.get('limit', None)
        )

    @RequestParser([
        { 'name': 'volume', 'required': True, 'helpmsg': "A volume name must be specified" },
        { 'name': 'pool', 'required': True, 'helpmsg': "A valid pool name must be specified" },
        { 'name': 'size', 'required': True, 'helpmsg': "A volume size in bytes (or with k/M/G/T suffix) must be specified" }
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Create a new Ceph volume
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: volume
            type: string
            required: true
            description: The name of the volume
          - in: query
            name: pool
            type: integer
            required: true
            description: The name of the pool to contain the volume
          - in: query
            name: size
            type: string
            required: true
            description: The volume size in bytes (or with a metric suffix, i.e. k/M/G/T)
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_volume_add(
            reqargs.get('pool', None),
            reqargs.get('volume', None),
            reqargs.get('size', None)
        )
api.add_resource(API_Storage_Ceph_Volume_Root, '/storage/ceph/volume')

# /storage/ceph/volume/<pool>/<volume>
class API_Storage_Ceph_Volume_Element(Resource):
    @Authenticator
    def get(self, pool, volume):
        """
        Return information about volume {volume} in pool {pool}
        ---
        tags:
          - storage / ceph
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/volume'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_volume_list(
            pool,
            volume,
            is_fuzzy=False
        )

    @RequestParser([
        { 'name': 'size', 'required': True, 'helpmsg': "A volume size in bytes (or with k/M/G/T suffix) must be specified" }
    ])
    @Authenticator
    def post(self, pool, volume, reqargs):
        """
        Create a new Ceph volume {volume} in pool {pool}
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: size
            type: string
            required: true
            description: The volume size in bytes (or with a metric suffix, i.e. k/M/G/T)
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_volume_add(
            pool,
            volume,
            reqargs.get('size', None)
        )

    @RequestParser([
        { 'name': 'size' },
        { 'name': 'new_name' }
    ])
    @Authenticator
    def put(self, pool, volume, reqargs):
        """
        Update the size or name of Ceph volume {volume} in pool {pool}
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: size
            type: string
            required: false
            description: The new volume size in bytes (or with a metric suffix, i.e. k/M/G/T); must be greater than the previous size (shrinking not supported)
          - in: query
            name: new_name
            type: string
            required: false
            description: The new volume name
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        if reqargs.get('size', None) and reqargs.get('new_name', None):
            return { "message": "Can only perform one modification at once" }, 400

        if reqargs.get('size', None):
            return api_helper.ceph_volume_resize(
                pool,
                volume,
                reqargs.get('size')
            )
        if reqargs.get('new_name', None):
            return api_helper.ceph_volume_rename(
                pool,
                volume,
                reqargs.get('new_name')
            )
        return { "message": "At least one modification must be specified" }, 400

    @Authenticator
    def delete(self, pool, volume):
        """
        Remove Ceph volume {volume} from pool {pool}
        Note: This task may take up to 30s to complete and return depending on the size of the volume
        ---
        tags:
          - storage / ceph
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_volume_remove(
            pool,
            volume
        )
api.add_resource(API_Storage_Ceph_Volume_Element, '/storage/ceph/volume/<pool>/<volume>')

# /storage/ceph/volume/<pool>/<volume>/clone
class API_Storage_Ceph_Volume_Element_Clone(Resource):
    @RequestParser([
        { 'name': 'new_volume', 'required': True, 'helpmsg': "A new volume name must be specified" }
    ])
    @Authenticator
    def post(self, pool, volume, reqargs):
        """
        Clone Ceph volume {volume} in pool {pool}
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: new_volume
            type: string
            required: true
            description: The name of the new cloned volume
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_volume_clone(
            pool,
            reqargs.get('new_volume', None),
            volume
        )
api.add_resource(API_Storage_Ceph_Volume_Element_Clone, '/storage/ceph/volume/<pool>/<volume>/clone')

# /storage/ceph/snapshot
class API_Storage_Ceph_Snapshot_Root(Resource):
    @RequestParser([
        { 'name': 'pool' },
        { 'name': 'volume' },
        { 'name': 'limit' },
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of snapshots in the cluster
        ---
        tags:
          - storage / ceph
        definitions:
          - schema:
              type: object
              id: snapshot
              properties:
                snapshot:
                  type: string
                  description: The name of the snapshot
                volume:
                  type: string
                  description: The name of the volume
                pool:
                  type: string
                  description: The name of the pool
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A volume name search limit; fuzzy by default, use ^/$ to force exact matches
          - in: query
            name: pool
            type: string
            required: false
            description: A pool to limit the search to
          - in: query
            name: volume
            type: string
            required: false
            description: A volume to limit the search to
        responses:
          200:
            description: OK
            schema:
              type: array
              items:
                $ref: '#/definitions/snapshot'
        """
        return api_helper.ceph_volume_snapshot_list(
            reqargs.get('pool', None),
            reqargs.get('volume', None),
            reqargs.get('limit', None)
        )

    @RequestParser([
        { 'name': 'snapshot', 'required': True, 'helpmsg': "A snapshot name must be specified" },
        { 'name': 'volume', 'required': True, 'helpmsg': "A volume name must be specified" },
        { 'name': 'pool', 'required': True, 'helpmsg': "A pool name must be specified" }
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Create a new Ceph snapshot
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: snapshot
            type: string
            required: true
            description: The name of the snapshot
          - in: query
            name: volume
            type: string
            required: true
            description: The name of the volume
          - in: query
            name: pool
            type: integer
            required: true
            description: The name of the pool
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_volume_snapshot_add(
            reqargs.get('pool', None),
            reqargs.get('volume', None),
            reqargs.get('snapshot', None)
        )
api.add_resource(API_Storage_Ceph_Snapshot_Root, '/storage/ceph/snapshot')

# /storage/ceph/snapshot/<pool>/<volume>/<snapshot>
class API_Storage_Ceph_Snapshot_Element(Resource):
    @Authenticator
    def get(self, pool, volume, snapshot):
        """
        Return information about snapshot {snapshot} of volume {volume} in pool {pool}
        ---
        tags:
          - storage / ceph
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/snapshot'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_volume_snapshot_list(
            pool,
            volume,
            snapshot,
            is_fuzzy=False
        )

    @Authenticator
    def post(self, pool, volume, snapshot):
        """
        Create a new Ceph snapshot {snapshot} of volume {volume} in pool {pool}
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: snapshot
            type: string
            required: true
            description: The name of the snapshot
          - in: query
            name: volume
            type: string
            required: true
            description: The name of the volume
          - in: query
            name: pool
            type: integer
            required: true
            description: The name of the pool
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_volume_snapshot_add(
            pool,
            volume,
            snapshot
        )

    @RequestParser([
        { 'name': 'new_name', 'required': True, 'helpmsg': "A new name must be specified" }
    ])
    @Authenticator
    def put(self, pool, volume, snapshot, reqargs):
        """
        Update the name of Ceph snapshot {snapshot} of volume {volume} in pool {pool}
        ---
        tags:
          - storage / ceph
        parameters:
          - in: query
            name: new_name
            type: string
            required: false
            description: The new snaoshot name
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_volume_snapshot_rename(
            pool,
            volume,
            snapshot,
            reqargs.get('new_name', None)
        )

    @Authenticator
    def delete(self, pool, volume, snapshot):
        """
        Remove Ceph snapshot {snapshot} of volume {volume} from pool {pool}
        Note: This task may take up to 30s to complete and return depending on the size of the snapshot
        ---
        tags:
          - storage / ceph
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_helper.ceph_volume_snapshot_remove(
            pool,
            volume,
            snapshot
        )
api.add_resource(API_Storage_Ceph_Snapshot_Element, '/storage/ceph/snapshot/<pool>/<volume>/<snapshot>')


##########################################################
# Provisioner API
##########################################################

# /provisioner
class API_Provisioner_Root(Resource):
    @Authenticator
    def get(self):
        """
        Unused endpoint
        """
        abort(404)
api.add_resource(API_Provisioner_Root, '/provisioner')

# /provisioner/template
class API_Provisioner_Template_Root(Resource):
    @RequestParser([
        { 'name': 'limit' }
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of all templates
        ---
        tags:
          - provisioner / template
        definitions:
          - schema:
              type: object
              id: all-templates
              properties:
                system-templates:
                  type: array
                  items:
                    $ref: '#/definitions/system-template'
                network-templates:
                  type: array
                  items:
                    $ref: '#/definitions/network-template'
                storage-templates:
                  type: array
                  items:
                    $ref: '#/definitions/storage-template'
                userdata-templates:
                  type: array
                  items:
                    $ref: '#/definitions/userdata-template'
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A template name search limit; fuzzy by default, use ^/$ to force exact matches
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/all-templates'
        """
        return api_provisioner.template_list(
            reqargs.get('limit', None)
        )
api.add_resource(API_Provisioner_Template_Root, '/provisioner/template')

# /provisioner/template/system
class API_Provisioner_Template_System_Root(Resource):
    @RequestParser([
        { 'name': 'limit' }
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of system templates
        ---
        tags:
          - provisioner / template
        definitions:
          - schema:
              type: object
              id: system-template
              properties:
                id:
                  type: integer
                  description: Internal provisioner template ID
                name:
                  type: string
                  description: Template name
                vcpu_count:
                  type: integer
                  description: vCPU count for VM
                vram_mb:
                  type: integer
                  description: vRAM size in MB for VM
                serial:
                  type: boolean
                  description: Whether to enable serial console for VM
                vnc:
                  type: boolean
                  description: Whether to enable VNC console for VM
                vnc_bind:
                  type: string
                  description: VNC bind address when VNC console is enabled
                node_limit:
                  type: string
                  description: CSV list of node(s) to limit VM assignment to
                node_selector:
                  type: string
                  description: Selector to use for VM node assignment on migration/move
                node_autostart:
                  type: boolean
                  description: Whether to start VM with node ready state (one-time)
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A template name search limit; fuzzy by default, use ^/$ to force exact matches
        responses:
          200:
            description: OK
            schema:
              type: list
              items:
                $ref: '#/definitions/system-template'
        """
        return api_provisioner.list_template_system(
            reqargs.get('limit', None)
        )

    @RequestParser([
        { 'name': 'name', 'required': True, 'helpmsg': "A name must be specified" },
        { 'name': 'vcpus', 'required': True, 'helpmsg': "A vcpus value must be specified" },
        { 'name': 'vram', 'required': True, 'helpmsg': "A vram value in MB must be specified" },
        { 'name': 'serial', 'required': True, 'helpmsg': "A serial value must be specified" },
        { 'name': 'vnc', 'required': True, 'helpmsg': "A vnc value must be specified" },
        { 'name': 'vnc_bind' },
        { 'name': 'node_limit' },
        { 'name': 'node_selector' },
        { 'name': 'node_autostart' }
    ])
    @Authenticator
    def post(self):
        """
        Create a new system template
        ---
        tags:
          - provisioner / template
        parameters:
          - in: query
            name: name
            type: string
            required: true
            description: Template name
          - in: query
            name: vcpus
            type: integer
            required: true
            description: vCPU count for VM
          - in: query
            name: vram
            type: integer
            required: true
            description: vRAM size in MB for VM
          - in: query
            name: serial
            type: boolean
            required: true
            description: Whether to enable serial console for VM
          - in: query
            name: vnc
            type: boolean
            required: true
            description: Whether to enable VNC console for VM
          - in: query
            name: vnc_bind
            type: string
            required: false
            description: VNC bind address when VNC console is enabled
          - in: query
            name: node_limit
            type: string
            required: false
            description: CSV list of node(s) to limit VM assignment to
          - in: query
            name: node_selector
            type: string
            required: false
            description: Selector to use for VM node assignment on migration/move
          - in: query
            name: node_autostart
            type: boolean
            required: false
            description: Whether to start VM with node ready state (one-time)
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        # Validate arguments
        if not isinstance(reqargs.get('vcpus'), int):
            return { "message": "A vcpus value must be an integer" }, 400
        if not isinstance(reqargs.get('vram'), int):
            return { "message": "A vram value must be an integer" }, 400
        # Cast boolean arguments
        if bool(strtobool(reqargs.get('serial'))):
            serial = True
        else:
            serial = False
        if bool(strtobool(reqargs.get('vnc'))):
            vnc = True
            vnc_bind = reqargs.get('vnc_bind', None)
        else:
            vnc = False
            vnc_bind = None
        if bool(strtobool(reqargs.get('node_autostart'))):
            node_autostart = True
        else:
            node_autostart = False

        return api_provisioner.create_template_system(
            reqargs.get('name'),
            reqargs.get('vcpus'),
            reqargs.get('vram'),
            serial,
            vnc,
            vnc_bind,
            reqargs.get('node_limit', None),
            reqargs.get('node_selector', None),
            node_autostart
        )
api.add_resource(API_Provisioner_Template_System_Root, '/provisioner/template/system')

# /provisioner/template/system/<template>
class API_Provisioner_Template_System_Element(Resource):
    @Authenticator
    def get(self, template):
        """
        Return information about system template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/system-template'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.list_template_system(
            template,
            is_fuzzy=False
        )

    @RequestParser([
        { 'name': 'vcpus', 'required': True, 'helpmsg': "A vcpus value must be specified" },
        { 'name': 'vram', 'required': True, 'helpmsg': "A vram value in MB must be specified" },
        { 'name': 'serial', 'required': True, 'helpmsg': "A serial value must be specified" },
        { 'name': 'vnc', 'required': True, 'helpmsg': "A vnc value must be specified" },
        { 'name': 'vnc_bind' },
        { 'name': 'node_limit' },
        { 'name': 'node_selector' },
        { 'name': 'node_autostart' }
    ])
    @Authenticator
    def post(self, template, reqargs):
        """
        Create a new system template {template}
        ---
        tags:
          - provisioner / template
        parameters:
          - in: query
            name: vcpus
            type: integer
            required: true
            description: vCPU count for VM
          - in: query
            name: vram
            type: integer
            required: true
            description: vRAM size in MB for VM
          - in: query
            name: serial
            type: boolean
            required: true
            description: Whether to enable serial console for VM
          - in: query
            name: vnc
            type: boolean
            required: true
            description: Whether to enable VNC console for VM
          - in: query
            name: vnc_bind
            type: string
            required: false
            description: VNC bind address when VNC console is enabled
          - in: query
            name: node_limit
            type: string
            required: false
            description: CSV list of node(s) to limit VM assignment to
          - in: query
            name: node_selector
            type: string
            required: false
            description: Selector to use for VM node assignment on migration/move
          - in: query
            name: node_autostart
            type: boolean
            required: false
            description: Whether to start VM with node ready state (one-time)
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        # Validate arguments
        if not isinstance(reqargs.get('vcpus'), int):
            return { "message": "A vcpus value must be an integer" }, 400
        if not isinstance(reqargs.get('vram'), int):
            return { "message": "A vram value must be an integer" }, 400
        # Cast boolean arguments
        if bool(strtobool(reqargs.get('serial'))):
            serial = True
        else:
            serial = False
        if bool(strtobool(reqargs.get('vnc'))):
            vnc = True
            vnc_bind = reqargs.get('vnc_bind', None)
        else:
            vnc = False
            vnc_bind = None
        if bool(strtobool(reqargs.get('node_autostart'))):
            node_autostart = True
        else:
            node_autostart = False

        return api_provisioner.create_template_system(
            template,
            reqargs.get('vcpus'),
            reqargs.get('vram'),
            serial,
            vnc,
            vnc_bind,
            reqargs.get('node_limit', None),
            reqargs.get('node_selector', None),
            node_autostart
        )

    @Authenticator
    def put(self, template):
        """
        TODO
        """
        pass

    @Authenticator
    def delete(self, template):
        """
        Remove system template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.delete_template_system(
            template
        )
api.add_resource(API_Provisioner_Template_System_Element, '/provisioner/template/system/<template>')

# /provisioner/template/network
class API_Provisioner_Template_Network_Root(Resource):
    @RequestParser([
        { 'name': 'limit' }
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of network templates
        ---
        tags:
          - provisioner / template
        definitions:
          - schema:
              type: object
              id: network-template-net
              properties:
                id:
                  type: integer
                  description: Internal provisioner template ID
                network_template:
                  type: integer
                  description: Internal provisioner network template ID
                vni:
                  type: integer
                  description: PVC network VNI
          - schema:
              type: object
              id: network-template
              properties:
                id:
                  type: integer
                  description: Internal provisioner template ID
                name:
                  type: string
                  description: Template name
                mac_template:
                  type: string
                  description: MAC address template for VM
                networks:
                  type: array
                  items:
                    $ref: '#/definitions/network-template-net'
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A template name search limit; fuzzy by default, use ^/$ to force exact matches
        responses:
          200:
            description: OK
            schema:
              type: list
              items:
                $ref: '#/definitions/network-template'
        """
        return api_provisioner.list_template_network(
            reqargs.get('limit', None)
        )

    @RequestParser([
        { 'name': 'name', 'required': True, 'helpmsg': "A template name must be specified" },
        { 'name': 'mac_template' }
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Create a new network template
        ---
        tags:
          - provisioner / template
        parameters:
          - in: query
            name: name
            type: string
            required: true
            description: Template name
          - in: query
            name: mac_template
            type: string
            required: false
            description: MAC address template
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_template_network(
            reqargs.get('name', None),
            reqargs.get('mac_template', None)
        )
api.add_resource(API_Provisioner_Template_Network_Root, '/provisioner/template/network')

# /provisioner/template/network/<template>
class API_Provisioner_Template_Network_Element(Resource):
    @Authenticator
    def get(self, template):
        """
        Return information about network template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/network-template'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.list_template_network(
            template,
            is_fuzzy=False
        )

    @RequestParser([
        { 'name': 'mac_template' }
    ])
    @Authenticator
    def post(self, template, reqargs):
        """
        Create a new network template {template}
        ---
        tags:
          - provisioner / template
        parameters:
          - in: query
            name: mac_template
            type: string
            required: false
            description: MAC address template
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_template_network(
            template,
            reqargs.get('mac_template', None)
        )

    @Authenticator
    def delete(self, template):
        """
        Remove network template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.delete_template_network(
            template
        )
api.add_resource(API_Provisioner_Template_Network_Element, '/provisioner/template/network/<template>')

# /provisioner/template/network/<template>/net
class API_Provisioner_Template_Network_Net_Root(Resource):
    @Authenticator
    def get(self, template):
        """
        Return a list of networks in network template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              type: list
              items:
                $ref: '#/definitions/network-template-net'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        templates = api_provisioner.list_template_network(
            template,
            is_fuzzy=False
        )
        if templates:
            return templates['networks']
        else:
            return { 'message': 'Template not found' }, 404

    @RequestParser([
        { 'name': 'vni', 'required': True, 'helpmsg': "A valid VNI must be specified" }
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Create a new network in network template {template}
        ---
        tags:
          - provisioner / template
        parameters:
          - in: query
            name: vni
            type: integer
            required: false
            description: PVC network VNI
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_template_network_element(
            template,
            reqargs.get('vni', None)
        )
api.add_resource(API_Provisioner_Template_Network_Net_Root, '/provisioner/template/network/<template>/net')

# /provisioner/template/network/<template>/net/<vni>
class API_Provisioner_Template_Network_Net_Element(Resource):
    @Authenticator
    def get(self, template, vni):
        """
        Return information about network {vni} in network template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/network-template-net'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        vni_list = api_provisioner.list_template_network(
            template,
            is_fuzzy=False
        )['networks']
        for _vni in vni_list:
            if int(_vni['vni']) == int(vni):
                return _vni, 200
        abort(404)

    @Authenticator
    def post(self, template, vni):
        """
        Create a new network {vni} in network template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_template_network_element(
            template,
            vni
        )

    @Authenticator
    def delete(self, template, vni):
        """
        Remove network {vni} from network template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.delete_template_network_element(
            template,
            vni
        )
api.add_resource(API_Provisioner_Template_Network_Net_Element, '/provisioner/template/network/<template>/net/<vni>')

# /provisioner/template/storage
class API_Provisioner_Template_Storage_Root(Resource):
    @RequestParser([
        { 'name': 'limit' }
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of storage templates
        ---
        tags:
          - provisioner / template
        definitions:
          - schema:
              type: object
              id: storage-template-disk
              properties:
                id:
                  type: integer
                  description: Internal provisioner disk ID
                storage_template:
                  type: integer
                  description: Internal provisioner storage template ID
                pool:
                  type: string
                  description: Ceph storage pool for disk
                disk_id:
                  type: string
                  description: Disk identifier
                disk_size_gb:
                  type: string
                  description: Disk size in GB
                mountpoint:
                  type: string
                  description: In-VM mountpoint for disk
                filesystem:
                  type: string
                  description: Filesystem for disk
                filesystem_args:
                  type: array
                  items:
                    type: string
                    description: Filesystem mkfs arguments
          - schema:
              type: object
              id: storage-template
              properties:
                id:
                  type: integer
                  description: Internal provisioner template ID
                name:
                  type: string
                  description: Template name
                disks:
                  type: array
                  items:
                    $ref: '#/definitions/storage-template-disk'
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A template name search limit; fuzzy by default, use ^/$ to force exact matches
        responses:
          200:
            description: OK
            schema:
              type: list
              items:
                $ref: '#/definitions/storage-template'
        """
        return api_provisioner.list_template_storage(
            reqargs.get('limit', None)
        )

    @RequestParser([
        { 'name': 'name', 'required': True, 'helpmsg': "A template name must be specified" }
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Create a new storage template
        ---
        tags:
          - provisioner / template
        parameters:
          - in: query
            name: name
            type: string
            required: true
            description: Template name
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_template_storage(
            reqargs.get('name', None)
        )
api.add_resource(API_Provisioner_Template_Storage_Root, '/provisioner/template/storage')

# /provisioner/template/storage/<template>
class API_Provisioner_Template_Storage_Element(Resource):
    @Authenticator
    def get(self, template):
        """
        Return information about storage template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/storage-template'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.list_template_storage(
            template,
            is_fuzzy=False
        )

    @Authenticator
    def post(self, template):
        """
        Create a new storage template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_template_storage(
            template
        )

    @Authenticator
    def delete(self, template):
        """
        Remove storage template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.delete_template_storage(
            template
        )
api.add_resource(API_Provisioner_Template_Storage_Element, '/provisioner/template/storage/<template>')

# /provisioner/template/storage/<template>/disk
class API_Provisioner_Template_Storage_Disk_Root(Resource):
    @RequestParser([
        { 'name': 'limit' }
    ])
    @Authenticator
    def get(self, template, reqargs):
        """
        Return a list of disks in network template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              type: list
              items:
                $ref: '#/definitions/storage-template-disk'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        templates = api_provisioner.list_template_storage(
            template,
            is_fuzzy=False
        )
        if templates:
            return templates['disks']
        else:
            return { 'message': 'Template not found' }, 404

    @RequestParser([
        { 'name': 'disk_id', 'required': True, 'helpmsg': "A disk identifier in sdX or vdX format must be specified" },
        { 'name': 'pool', 'required': True, 'helpmsg': "A storage pool must be specified" },
        { 'name': 'disk_size', 'required': True, 'helpmsg': "A disk size in GB must be specified" },
        { 'name': 'filesystem' },
        { 'name': 'filesystem_arg', 'action': 'append' },
        { 'name': 'mountpoint' }
    ])
    @Authenticator
    def post(self, template, reqargs):
        """
        Create a new disk in storage template {template}
        ---
        tags:
          - provisioner / template
        parameters:
          - in: query
            name: disk_id
            type: string
            required: true
            description: Disk identifier in "sdX"/"vdX" format (e.g. "sda", "vdb", etc.)
          - in: query
            name: pool
            type: string
            required: true
            description: ceph storage pool for disk
          - in: query
            name: disk_size
            type: integer
            required: true
            description: Disk size in GB
          - in: query
            name: filesystem
            type: string
            required: false
            description: Filesystem for disk
          - in: query
            name: filesystem_arg
            type: string
            required: false
            description: Filesystem mkfs argument in "-X=foo" format; may be specified multiple times to add multiple arguments
          - in: query
            name: mountpoint
            type: string
            required: false
            description: In-VM mountpoint for disk
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_template_storage_element(
            template,
            reqargs.get('disk_id', None),
            reqargs.get('pool', None),
            reqargs.get('disk_size', None),
            reqargs.get('filesystem', None),
            reqargs.get('filesystem_arg', []),
            reqargs.get('mountpoint', None)
        )
api.add_resource(API_Provisioner_Template_Storage_Disk_Root, '/provisioner/template/storage/<template>/disk')

# /provisioner/template/storage/<template>/disk/<disk_id>
class API_Provisioner_Template_Storage_Disk_Element(Resource):
    @Authenticator
    def get(self, template, disk_id):
        """
        Return information about disk {disk_id} in storage template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/storage-template-disk'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        disk_list = api_provisioner.list_template_storage(
            template,
            is_fuzzy=False
        )['disks']
        for _disk in disk_list:
            if _disk['disk_id'] == disk_id:
                return _disk, 200
        abort(404)

    @RequestParser([
        { 'name': 'pool', 'required': True, 'helpmsg': "A storage pool must be specified" },
        { 'name': 'disk_size', 'required': True, 'helpmsg': "A disk size in GB must be specified" },
        { 'name': 'filesystem' },
        { 'name': 'filesystem_arg', 'action': 'append' },
        { 'name': 'mountpoint' }
    ])
    @Authenticator
    def post(self, template, disk_id, reqargs):
        """
        Create a new disk {disk_id} in storage template {template}
        Alternative to "POST /provisioner/template/storage/<template>/disk?disk_id=<disk_id>"
        ---
        tags:
          - provisioner / template
        parameters:
          - in: query
            name: pool
            type: string
            required: true
            description: ceph storage pool for disk
          - in: query
            name: disk_size
            type: integer
            required: true
            description: Disk size in GB
          - in: query
            name: filesystem
            type: string
            required: false
            description: Filesystem for disk
          - in: query
            name: filesystem_arg
            type: string
            required: false
            description: Filesystem mkfs argument in "-X=foo" format; may be specified multiple times to add multiple arguments
          - in: query
            name: mountpoint
            type: string
            required: false
            description: In-VM mountpoint for disk
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_template_storage_element(
            template,
            disk_id,
            reqargs.get('pool', None),
            reqargs.get('disk_size', None),
            reqargs.get('filesystem', None),
            reqargs.get('filesystem_arg', []),
            reqargs.get('mountpoint', None)
        )

    @Authenticator
    def delete(self, template, disk_id):
        """
        Remove disk {disk_id} from storage template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        api_provisioner.delete_template_storage_element(
            template,
            disk_id
        )
api.add_resource(API_Provisioner_Template_Storage_Disk_Element, '/provisioner/template/storage/<template>/disk/<disk_id>')

# /provisioner/template/userdata
class API_Provisioner_Template_Userdata_Root(Resource):
    @RequestParser([
        { 'name': 'limit' }
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of userdata templates
        ---
        tags:
          - provisioner / template
        definitions:
          - schema:
              type: object
              id: userdata-template
              properties:
                id:
                  type: integer
                  description: Internal provisioner template ID
                name:
                  type: string
                  description: Template name
                userdata:
                  type: string
                  description: Raw userdata configuration document
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A template name search limit; fuzzy by default, use ^/$ to force exact matches
        responses:
          200:
            description: OK
            schema:
              type: list
              items:
                $ref: '#/definitions/userdata-template'
        """
        return api_provisioner.list_template_userdata(
            reqargs.get('limit', None)
        )

    @RequestParser([
        { 'name': 'name', 'required': True, 'helpmsg': "A template name must be specified" },
        { 'name': 'data', 'required': True, 'helpmsg': "A userdata document must be specified" }
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Create a new userdata template
        ---
        tags:
          - provisioner / template
        parameters:
          - in: query
            name: name
            type: string
            required: true
            description: Template name
          - in: query
            name: data
            type: string
            required: true
            description: Raw userdata configuration document
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_template_userdata(
            reqargs.get('name', None),
            reqargs.get('data', None)
        )
api.add_resource(API_Provisioner_Template_Userdata_Root, '/provisioner/template/userdata')

# /provisioner/template/userdata/<template>
class API_Provisioner_Template_Userdata_Element(Resource):
    @Authenticator
    def get(self, template):
        """
        Return information about userdata template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/userdata-template'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.list_template_userdata(
            template,
            is_fuzzy=False
        )

    @RequestParser([
        { 'name': 'data', 'required': True, 'helpmsg': "A userdata document must be specified" }
    ])
    @Authenticator
    def post(self, template, reqargs):
        """
        Create a new userdata template {template}
        ---
        tags:
          - provisioner / template
        parameters:
          - in: query
            name: data
            type: string
            required: true
            description: Raw userdata configuration document
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_template_userdata(
            template,
            reqargs.get('data', None)
        )

    @RequestParser([
        { 'name': 'data', 'required': True, 'helpmsg': "A userdata document must be specified" }
    ])
    @Authenticator
    def put(self, template):
        """
        Update userdata template {template}
        ---
        tags:
          - provisioner / template
        parameters:
          - in: query
            name: data
            type: string
            required: true
            description: Raw userdata configuration document
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.update_template_userdata(
            template,
            reqargs.get('data', None)
        )

    @Authenticator
    def delete(self, template):
        """
        Remove userdata template {template}
        ---
        tags:
          - provisioner / template
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.delete_template_userdata(
            template
        )
api.add_resource(API_Provisioner_Template_Userdata_Element, '/provisioner/template/userdata/<template>')

# /provisioner/script
class API_Provisioner_Script_Root(Resource):
    @RequestParser([
        { 'name': 'limit' }
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of scripts
        ---
        tags:
          - provisioner
        definitions:
          - schema:
              type: object
              id: script
              properties:
                id:
                  type: integer
                  description: Internal provisioner script ID
                name:
                  type: string
                  description: Script name
                script:
                  type: string
                  description: Raw Python script document
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A script name search limit; fuzzy by default, use ^/$ to force exact matches
        responses:
          200:
            description: OK
            schema:
              type: list
              items:
                $ref: '#/definitions/script'
        """
        return api_provisioner.list_script(
            reqargs.get('limit', None)
        )

    @RequestParser([
        { 'name': 'name', 'required': True, 'helpmsg': "A script name must be specified" },
        { 'name': 'data', 'required': True, 'helpmsg': "A script document must be specified" }
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Create a new script
        ---
        tags:
          - provisioner
        parameters:
          - in: query
            name: name
            type: string
            required: true
            description: Script name
          - in: query
            name: data
            type: string
            required: true
            description: Raw Python script document
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_script(
            reqargs.get('name', None),
            reqargs.get('data', None)
        )
api.add_resource(API_Provisioner_Script_Root, '/provisioner/script')

# /provisioner/script/<script>
class API_Provisioner_Script_Element(Resource):
    @Authenticator
    def get(self, script):
        """
        Return information about script {script}
        ---
        tags:
          - provisioner
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/script'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.list_script(
            script,
            is_fuzzy=False
        )

    @RequestParser([
        { 'name': 'data', 'required': True, 'helpmsg': "A script document must be specified" }
    ])
    @Authenticator
    def post(self, script):
        """
        Create a new script {script}
        ---
        tags:
          - provisioner
        parameters:
          - in: query
            name: data
            type: string
            required: true
            description: Raw Python script document
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_script(
            script,
            reqargs.get('data', None)
        )

    @RequestParser([
        { 'name': 'data', 'required': True, 'helpmsg': "A script document must be specified" }
    ])
    @Authenticator
    def put(self, script):
        """
        Update script {script}
        ---
        tags:
          - provisioner
        parameters:
          - in: query
            name: data
            type: string
            required: true
            description: Raw Python script document
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.update_script(
            script,
            reqargs.get('data', None)
        )

    @Authenticator
    def delete(self, script):
        """
        Remove script {script}
        ---
        tags:
          - provisioner
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.delete_script(
            script
        )
api.add_resource(API_Provisioner_Script_Element, '/provisioner/script/<script>')

# /provisioner/profile
class API_Provisioner_Profile_Root(Resource):
    @RequestParser([
        { 'name': 'limit' }
    ])
    @Authenticator
    def get(self, reqargs):
        """
        Return a list of profiles
        ---
        tags:
          - provisioner
        definitions:
          - schema:
              type: object
              id: profile
              properties:
                id:
                  type: integer
                  description: Internal provisioner profile ID
                name:
                  type: string
                  description: Profile name
                script:
                  type: string
                  description: Script name
                system_template:
                  type: string
                  description: System template name
                network_template:
                  type: string
                  description: Network template name
                storage_template:
                  type: string
                  description: Storage template name
                userdata_template:
                  type: string
                  description: Userdata template name
                arguments:
                  type: array
                  items:
                    type: string
                    description: Script install() function keyword arguments in "arg=data" format
        parameters:
          - in: query
            name: limit
            type: string
            required: false
            description: A profile name search limit; fuzzy by default, use ^/$ to force exact matches
        responses:
          200:
            description: OK
            schema:
              type: list
              items:
                $ref: '#/definitions/profile'
        """
        return api_provisioner.list_profile(
            reqargs.get('limit', None)
        )

    @RequestParser([
        { 'name': 'name', 'required': True, 'helpmsg': "A profile name must be specified" },
        { 'name': 'system_template', 'required': True, 'helpmsg': "A system template name must be specified" },
        { 'name': 'network_template', 'required': True, 'helpmsg': "A network template name must be specified" },
        { 'name': 'storage_template', 'required': True, 'helpmsg': "A storage template name must be specified" },
        { 'name': 'userdata_template', 'required': True, 'helpmsg': "A userdata template name must be specified (use 'empty' if no template is desired)" },
        { 'name': 'script', 'required': True, 'helpmsg': "A system name must be specified" },
        { 'name': 'arg', 'action': 'append' }
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Create a new profile
        ---
        tags:
          - provisioner
        parameters:
          - in: query
            name: name
            type: string
            required: true
            description: Profile name
          - in: query
            name: script
            type: string
            required: true
            description: Script name
          - in: query
            name: system_template
            type: string
            required: true
            description: System template name
          - in: query
            name: network_template
            type: string
            required: true
            description: Network template name
          - in: query
            name: storage_template
            type: string
            required: true
            description: Storage template name
          - in: query
            name: userdata_template
            type: string
            required: true
            description: Userdata template name
          - in: query
            name: arg
            type: string
            description: Script install() function keywork argument in "arg=data" format; may be specified multiple times to add multiple arguments
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_profile(
            reqargs.get('name', None),
            reqargs.get('system_template', None),
            reqargs.get('network_template', None),
            reqargs.get('storage_template', None),
            reqargs.get('userdata_template', None),
            reqargs.get('script', None),
            reqargs.get('arg', None)
        )
api.add_resource(API_Provisioner_Profile_Root, '/provisioner/profile')

# /provisioner/profile/<profile>
class API_Provisioner_Profile_Element(Resource):
    @Authenticator
    def get(self, profile):
        """
        Return information about profile {profile}
        ---
        tags:
          - provisioner
        responses:
          200:
            description: OK
            schema:
              $ref: '#/definitions/profile'
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        return api_provisioner.list_profile(
            profile,
            is_fuzzy=False
        )

    @RequestParser([
        { 'name': 'system_template', 'required': True, 'helpmsg': "A system template name must be specified" },
        { 'name': 'network_template', 'required': True, 'helpmsg': "A network template name must be specified" },
        { 'name': 'storage_template', 'required': True, 'helpmsg': "A storage template name must be specified" },
        { 'name': 'userdata_template', 'required': True, 'helpmsg': "A userdata template name must be specified (use 'empty' if no template is desired)" },
        { 'name': 'script', 'required': True, 'helpmsg': "A system name must be specified" },
        { 'name': 'arg', 'action': 'append' }
    ])
    @Authenticator
    def post(self, profile, reqargs):
        """
        Create a new profile {profile}
        ---
        tags:
          - provisioner
        parameters:
          - in: query
            name: script
            type: string
            required: true
            description: Script name
          - in: query
            name: system_template
            type: string
            required: true
            description: System template name
          - in: query
            name: network_template
            type: string
            required: true
            description: Network template name
          - in: query
            name: storage_template
            type: string
            required: true
            description: Storage template name
          - in: query
            name: userdata_template
            type: string
            required: true
            description: Userdata template name
          - in: query
            name: arg
            type: string
            description: Script install() function keywork argument in "arg=data" format; may be specified multiple times to add multiple arguments
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        return api_provisioner.create_profile(
            profile,
            reqargs.get('system_template', None),
            reqargs.get('network_template', None),
            reqargs.get('storage_template', None),
            reqargs.get('userdata_template', None),
            reqargs.get('script', None),
            reqargs.get('arg', None)
        )

    @Authenticator
    def delete(self, profile):
        """
        Remove profile {profile}
        ---
        tags:
          - provisioner
        responses:
          200:
            description: OK
            schema:
              type: object
              id: Message
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        api_provisioner.delete_profile(
            profile
        )
api.add_resource(API_Provisioner_Profile_Element, '/provisioner/profile/<profile>')

# /provisioner/create
class API_Provisioner_Create_Root(Resource):
    @RequestParser([
        { 'name': 'name', 'required': True, 'helpmsg': "A VM name must be specified" },
        { 'name': 'profile', 'required': True, 'helpmsg': "A profile name must be specified" }
    ])
    @Authenticator
    def post(self, reqargs):
        """
        Create a new virtual machine
        Note: Starts a background job in the pvc-provisioner-worker Celery worker while returning a task ID; the task ID can be used to query the "GET /provisioner/status/<task_id>" endpoint for the job status
        ---
        tags:
          - provisioner
        parameters:
          - in: query
            name: name
            type: string
            required: true
            description: Virtual machine name
          - in: query
            name: profile
            type: string
            required: true
            description: Profile name
        responses:
          200:
            description: OK
            schema:
              type: object
              properties:
                task_id:
                  type: string
                  description: Task ID for the provisioner Celery worker
          400:
            description: Bad request
            schema:
              type: object
              id: Message
        """
        task = create_vm.delay(
            reqargs.get('name', None),
            reqargs.get('profile', None)
        )
        return { "task_id": task.id }, 202, { 'Location': Api.url_for(api, API_Provisioner_Status_Element, task_id=task.id) }
api.add_resource(API_Provisioner_Create_Root, '/provisioner/create')

# /provisioner/status/<task_id>
class API_Provisioner_Status_Element(Resource):
    @Authenticator
    def get(self, task_id):
        """
        View status of a provisioner Celery worker job
        ---
        tags:
          - provisioner
        responses:
          200:
            description: OK
            schema:
              type: object
              properties:
                total:
                  type: integer
                  description: Total number of steps
                current:
                  type: integer
                  description: Current steps completed
                state:
                  type: string
                  description: Current job state
                status:
                  type: string
                  description: Status details about job
          404:
            description: Not found
            schema:
              type: object
              id: Message
        """
        task = create_vm.AsyncResult(task_id)
        if task.state == 'PENDING':
            response = {
                'state': task.state,
                'current': 0,
                'total': 1,
                'status': 'Pending job start'
            }
        elif task.state != 'FAILURE':
            response = {
                'state': task.state,
                'current': task.info.get('current', 0),
                'total': task.info.get('total', 1),
                'status': task.info.get('status', '')
            }
            if 'result' in task.info:
                response['result'] = task.info['result']
        else:
            response = {
                'state' : task.state,
                'current': 1,
                'total': 1,
                'status': str(task.info)
            }
        return response
api.add_resource(API_Provisioner_Status_Element, '/provisioner/status/<task_id>')


##########################################################
# Entrypoint
##########################################################
if __name__ == '__main__':
    if config['debug']:
        # Run in Flask standard mode
        app.run(config['listen_address'], config['listen_port'])
    else:
        if config['ssl_enabled']:
            # Run the WSGI server with SSL
            http_server = gevent.pywsgi.WSGIServer(
                (config['listen_address'], config['listen_port']),
                app,
                keyfile=config['ssl_key_file'],
                certfile=config['ssl_cert_file']
            )
        else:
            # Run the ?WSGI server without SSL
            http_server = gevent.pywsgi.WSGIServer(
                (config['listen_address'], config['listen_port']),
                app
            )

        print('Starting PyWSGI server at {}:{} with SSL={}, Authentication={}'.format(config['listen_address'], config['listen_port'], config['ssl_enabled'], config['auth_enabled']))
        http_server.serve_forever()