pvc/client-api/api_lib/pvcapi.py

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#!/usr/bin/env python3
# pvcapi.py - PVC HTTP API functions
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018 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 flask
import json
import client_lib.common as pvc_common
import client_lib.node as pvc_node
import client_lib.vm as pvc_vm
import client_lib.network as pvc_network
import client_lib.ceph as pvc_ceph
zk_host = "hv1:2181,hv2:2181,hv3:2181"
#
# Node functions
#
def node_list(limit=None):
"""
Return a list of nodes with limit LIMIT.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_node.get_list(zk_conn, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
def node_secondary(node):
"""
Take NODE out of primary router mode.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_node.secondary_node(zk_conn, node)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
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'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def node_primary(node):
"""
Set NODE to primary router mode.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_node.primary_node(zk_conn, node)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
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'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def node_flush(node):
"""
Flush NODE of running VMs.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_node.flush_node(zk_conn, node, False)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
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'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def node_ready(node):
"""
Restore NODE to active service.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_node.ready_node(zk_conn, node)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
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'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
#
# VM functions
#
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def vm_list(node=None, state=None, limit=None, is_fuzzy=True):
"""
Return a list of VMs with limit LIMIT.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
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retflag, retdata = pvc_vm.get_list(zk_conn, node, state, limit, is_fuzzy)
if retflag:
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if retdata:
retcode = 200
else:
retcode = 404
retdata = {
'message': 'VM not found.'
}
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
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# TODO: #22
#def vm_add():
# """
# Add a VM named NAME to the PVC cluster.
# """
# return '', 200
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def vm_define(name, xml, node, selector):
"""
Define a VM from Libvirt XML in the PVC cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_vm.define_vm(zk_conn, xml, node, selector)
if retflag:
retcode = 200
else:
retcode = 510
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pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def vm_modify(name, restart, xml):
"""
Modify a VM Libvirt XML in the PVC cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_vm.modify_vm(zk_conn, name, restart, xml)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def vm_undefine(name):
"""
Undefine a VM from the PVC cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_vm.undefine_vm(zk_conn, name)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def vm_remove(name):
"""
Remove a VM from the PVC cluster.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_vm.remove_vm(zk_conn, name)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def vm_dump(name):
"""
Dump a VM Libvirt XML configuration.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_vm.dump_vm(zk_conn, name)
if retflag:
retcode = 200
else:
retcode = 510
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pvc_common.stopZKConnection(zk_conn)
return retdata, retcode
def vm_start(name):
"""
Start a VM in the PVC cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_vm.start_vm(zk_conn, name)
if retflag:
retcode = 200
else:
retcode = 510
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pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def vm_restart(name):
"""
Restart a VM in the PVC cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_vm.restart_vm(zk_conn, name)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def vm_shutdown(name):
"""
Shutdown a VM in the PVC cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_vm.shutdown_vm(zk_conn, name)
if retflag:
retcode = 200
else:
retcode = 510
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pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def vm_stop(name):
"""
Forcibly stop a VM in the PVC cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_vm.stop_vm(zk_conn, name)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def vm_move(name, node, selector):
"""
Move a VM to another node.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_vm.move_vm(zk_conn, name, node, selector)
if retflag:
retcode = 200
else:
retcode = 510
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pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def vm_migrate(name, node, selector, flag_force):
"""
Temporarily migrate a VM to another node.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_vm.migrate_vm(zk_conn, name, node, selector, flag_force)
if retflag:
retcode = 200
else:
retcode = 510
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pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def vm_unmigrate(name):
"""
Unmigrate a migrated VM.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_vm.unmigrate_vm(zk_conn, name)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
#
# Network functions
#
def net_list(limit=None):
"""
Return a list of client networks with limit LIMIT.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_network.get_list(zk_conn, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
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def net_add(vni, description, nettype, domain,
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end):
"""
Add a virtual client network to the PVC cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_network.add_network(zk_conn, vni, description, nettype, domain,
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def net_modify(vni, description, nettype, domain,
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end):
"""
Modify a virtual client network in the PVC cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_network.add_network(zk_conn, vni, description, nettype, domain,
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end)
if retflag:
retcode = 200
else:
retcode = 510
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pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def net_remove(description):
"""
Remove a virtual client network from the PVC cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_network.remove_network(zk_conn, description)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def net_dhcp_list(network, limit=None, static=False):
"""
Return a list of DHCP leases in network NETWORK with limit LIMIT.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_network.get_list_dhcp(zk_conn, network, limit, static)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
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def net_dhcp_add(network, ipaddress, macaddress, hostname):
"""
Add a static DHCP lease to a virtual client network.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_network.add_dhcp_reservation(zk_conn, network, ipaddress, macaddress, hostname)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def net_dhcp_remove(network, macaddress):
"""
Remove a static DHCP lease from a virtual client network.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_network.remove_dhcp_reservation(zk_conn, network, macaddress)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def net_acl_list(network, limit=None, direction=None):
"""
Return a list of network ACLs in network NETWORK with limit LIMIT.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
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retflag, retmsg = pvc_network.get_list_acl(zk_conn, network, limit, direction)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
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output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def net_acl_add(network, direction, description, rule, order):
"""
Add an ACL to a virtual client network.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_network.add_acl(zk_conn, network, direction, description, rule, order)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def net_acl_remove(network, direction, description):
"""
Remove an ACL from a virtual client network.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_network.remove_acl(zk_conn, network, description, direction)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
#
# Ceph functions
#
def ceph_status():
"""
Get the current Ceph cluster status.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_ceph.get_status(zk_conn)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
def ceph_osd_list(limit=None):
"""
Get the list of OSDs in the Ceph storage cluster.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_ceph.get_list_osd(zk_conn, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
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def ceph_osd_add(node, device, weight):
"""
Add a Ceph OSD to the PVC Ceph storage cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.add_osd(zk_conn, node, device, weight)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def ceph_osd_remove(osd_id):
"""
Remove a Ceph OSD from the PVC Ceph storage cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.remove_osd(zk_conn, osd_id)
if retflag:
retcode = 200
else:
retcode = 510
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pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def ceph_osd_in(osd_id):
"""
Set in a Ceph OSD in the PVC Ceph storage cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.in_osd(zk_conn, osd_id)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def ceph_osd_out(osd_id):
"""
Set out a Ceph OSD in the PVC Ceph storage cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.out_osd(zk_conn, osd_id)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def ceph_osd_set(option):
"""
Set options on a Ceph OSD in the PVC Ceph storage cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.set_osd(zk_conn, option)
if retflag:
retcode = 200
else:
retcode = 510
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pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def ceph_osd_unset(option):
"""
Unset options on a Ceph OSD in the PVC Ceph storage cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.unset_osd(zk_conn, option)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def ceph_pool_list(limit=None):
"""
Get the list of RBD pools in the Ceph storage cluster.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_ceph.get_list_pool(zk_conn, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
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def ceph_pool_add(name, pgs):
"""
Add a Ceph RBD pool to the PVC Ceph storage cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.add_pool(zk_conn, name, pgs)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def ceph_pool_remove(name):
"""
Remove a Ceph RBD pool to the PVC Ceph storage cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.remove_pool(zk_conn, name)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def ceph_volume_list(pool=None, limit=None):
"""
Get the list of RBD volumes in the Ceph storage cluster.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_ceph.get_list_volume(zk_conn, pool, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
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def ceph_volume_add(pool, name, size):
"""
Add a Ceph RBD volume to the PVC Ceph storage cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.add_volume(zk_conn, pool, name, size)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
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def ceph_volume_remove(pool, name):
"""
Remove a Ceph RBD volume to the PVC Ceph storage cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.remove_volume(zk_conn, pool, name)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def ceph_volume_snapshot_list(pool=None, volume=None, limit=None):
"""
Get the list of RBD volume snapshots in the Ceph storage cluster.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_ceph.get_list_snapshot(zk_conn, pool, volume, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
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def ceph_volume_snapshot_add(pool, volume, name):
"""
Add a Ceph RBD volume snapshot to the PVC Ceph storage cluster.
"""
return '', 200
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.add_snapshot(zk_conn, pool, volume, name)
if retflag:
retcode = 200
else:
retcode = 510
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pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode
def ceph_volume_snapshot_remove(pool, volume, name):
"""
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Remove a Ceph RBD volume snapshot from the PVC Ceph storage cluster.
"""
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zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_ceph.remove_snapshot(zk_conn, pool, volume, name)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg.replace('\"', '\'')
}
return flask.jsonify(output), retcode