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Initial API including fixes to common functons 

Some functions were doing `click.echo` inside themselves; don't
do that as it's not API compatible, just return everything.
This commit is contained in:
Joshua Boniface 2019-03-21 11:19:28 -04:00
parent 2e4c0c8eb9
commit 1126382ac9
4 changed files with 1563 additions and 10 deletions
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1
client-api/client_lib Symbolic link
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@ -0,0 +1 @@
../client-common

1398
client-api/pvc.py Executable file
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149
client-api/pvcapi.py Executable file
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@ -0,0 +1,149 @@
#!/usr/bin/env python3
# pvcapi.py - PVC HTTP API interface
# 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 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"
pvcapi = flask.Flask(__name__)
pvcapi.config["DEBUG"] = True
@pvcapi.route('/api/v1', methods=['GET'])
def api_root():
print(flask.request)
print(flask.request.args)
return "", 200
@pvcapi.route('/api/v1/node', methods=['GET'])
def api_node():
"""
Manage the state of a node in the PVC cluster
"""
return "Manage the state of a node in the PVC cluster", 209
@pvcapi.route('/api/v1/node/secondary', methods=['GET'])
def api_node_secondary():
"""
Take NODE out of primary router mode.
"""
# Mandatory args
if 'node' in flask.request.args:
node = flask.request.args['node']
else:
return "Error: No node provided. Please specify a node.", 510
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 = {
'message': retmsg,
}
return flask.jsonify(output), retcode
@pvcapi.route('/api/v1/node/primary', methods=['GET'])
def api_node_primary():
"""
Set NODE to primary router mode.
"""
# Mandatory args
if 'node' in flask.request.args:
node = flask.request.args['node']
else:
return "Error: No node provided. Please specify a node.", 510
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 = {
'message': retmsg,
}
return flask.jsonify(output), retcode
#@pvcapi.route('/api/v1/node/flush', methods=['GET'])
#@pvcapi.route('/api/v1/node/unflush', methods=['GET'])
#@pvcapi.route('/api/v1/node/ready', methods=['GET'])
#@pvcapi.route('/api/v1/node/info', methods=['GET'])
#@pvcapi.route('/api/v1/node/list', methods=['GET'])
#@pvcapi.route('/api/v1/vm', methods=['GET'])
#@pvcapi.route('/api/v1/vm/add', methods=['GET'])
#@pvcapi.route('/api/v1/vm/define', methods=['GET'])
#@pvcapi.route('/api/v1/vm/modify', methods=['GET'])
#@pvcapi.route('/api/v1/vm/undefine', methods=['GET'])
#@pvcapi.route('/api/v1/vm/dump', methods=['GET'])
#@pvcapi.route('/api/v1/vm/start', methods=['GET'])
#@pvcapi.route('/api/v1/vm/restart', methods=['GET'])
#@pvcapi.route('/api/v1/vm/shutdown', methods=['GET'])
#@pvcapi.route('/api/v1/vm/stop', methods=['GET'])
#@pvcapi.route('/api/v1/vm/move', methods=['GET'])
#@pvcapi.route('/api/v1/vm/migrate', methods=['GET'])
#@pvcapi.route('/api/v1/vm/unmigrate', methods=['GET'])
#@pvcapi.route('/api/v1/vm/info', methods=['GET'])
#@pvcapi.route('/api/v1/vm/list', methods=['GET'])
#@pvcapi.route('/api/v1/network', methods=['GET'])
#@pvcapi.route('/api/v1/network/add', methods=['GET'])
#@pvcapi.route('/api/v1/network/modify', methods=['GET'])
#@pvcapi.route('/api/v1/network/remove', methods=['GET'])
#@pvcapi.route('/api/v1/network/info', methods=['GET'])
#@pvcapi.route('/api/v1/network/list', methods=['GET'])
#@pvcapi.route('/api/v1/network/dhcp', methods=['GET'])
#@pvcapi.route('/api/v1/network/dhcp/list', methods=['GET'])
#@pvcapi.route('/api/v1/network/dhcp/static', methods=['GET'])
#@pvcapi.route('/api/v1/network/dhcp/static/add', methods=['GET'])
#@pvcapi.route('/api/v1/network/dhcp/static/remove', methods=['GET'])
#@pvcapi.route('/api/v1/network/dhcp/static/list', methods=['GET'])
#@pvcapi.route('/api/v1/network/acl', methods=['GET'])
#@pvcapi.route('/api/v1/network/acl/add', methods=['GET'])
#@pvcapi.route('/api/v1/network/acl/remove', methods=['GET'])
#@pvcapi.route('/api/v1/network/acl/list', methods=['GET'])
# Ceph endpoints
#@pvcapi.route('/api/v1/ceph', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/status', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/osd', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/osd/add', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/osd/remove', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/osd/in', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/osd/out', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/osd/set', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/osd/unset', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/osd/list', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/pool', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/pool/add', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/pool/remove', methods=['GET'])
#@pvcapi.route('/api/v1/ceph/pool/list', methods=['GET'])
pvcapi.run()

25
client-common/node.py
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@ -122,14 +122,14 @@ def secondary_node(zk_conn, node):
# Get current state
current_state = zkhandler.readdata(zk_conn, '/nodes/{}/routerstate'.format(node))
if current_state == 'primary':
click.echo('Setting node {} in secondary router mode.'.format(node))
retmsg = 'Setting node {} in secondary router mode.'.format(node)
zkhandler.writedata(zk_conn, {
'/primary_node': 'none'
})
else:
click.echo('Node {} is already in secondary router mode.'.format(node))
return False, 'Node {} is already in secondary router mode.'.format(node)
return True, ''
return True, retmsg
def primary_node(zk_conn, node):
# Verify node is valid
@ -144,21 +144,26 @@ def primary_node(zk_conn, node):
# Get current state
current_state = zkhandler.readdata(zk_conn, '/nodes/{}/routerstate'.format(node))
if current_state == 'secondary':
click.echo('Setting node {} in primary router mode.'.format(node))
retmsg = 'Setting node {} in primary router mode.'.format(node)
zkhandler.writedata(zk_conn, {
'/primary_node': node
})
else:
click.echo('Node {} is already in primary router mode.'.format(node))
return False, 'Node {} is already in primary router mode.'.format(node)
return True, ''
return True, retmsg
def flush_node(zk_conn, node, wait):
# Verify node is valid
if not common.verifyNode(zk_conn, node):
return False, 'ERROR: No node named "{}" is present in the cluster.'.format(node)
click.echo('Flushing hypervisor {} of running VMs.'.format(node))
retmsg = 'Flushing hypervisor {} of running VMs.'.format(node)
# Wait cannot be triggered from the API
if wait:
click.echo(retmsg)
retmsg = ""
# Add the new domain to Zookeeper
zkhandler.writedata(zk_conn, {
@ -172,21 +177,21 @@ def flush_node(zk_conn, node, wait):
if node_state == "flushed":
break
return True, ''
return True, retmsg
def ready_node(zk_conn, node):
# Verify node is valid
if not common.verifyNode(zk_conn, node):
return False, 'ERROR: No node named "{}" is present in the cluster.'.format(node)
click.echo('Restoring hypervisor {} to active service.'.format(node))
retmsg = 'Restoring hypervisor {} to active service.'.format(node)
# Add the new domain to Zookeeper
zkhandler.writedata(zk_conn, {
'/nodes/{}/domainstate'.format(node): 'unflush'
})
return True, ''
return True, retmsg
def get_info(zk_conn, node, long_output):
# Verify node is valid