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Refactor API into separate files

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Make it easier to separate the model (i.e. API endpoints) from the
controller (i.e. the actual functions which talk to ZK). Helps to keep
the main API file smaller and more regular.
This commit is contained in:
Joshua Boniface
2019-07-05 14:11:01 -04:00
parent 6ee3c91a63
commit 061b4eb61e
3 changed files with 563 additions and 1666 deletions
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439
client-api/api_lib/pvcapi.py Executable file
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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 = {
'message': retmsg,
}
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 = {
'message': retmsg,
}
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 = {
'message': retmsg,
}
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 = {
'message': retmsg,
}
return flask.jsonify(output), retcode
#
# VM functions
#
def vm_list(node=None, state=None, limit=None):
"""
Return a list of VMs with limit LIMIT.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_vm.get_list(zk_conn, node, state, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
def vm_add():
"""
Add a VM named NAME to the PVC cluster.
"""
return '', 200
def vm_define():
"""
Define a VM from Libvirt XML in the PVC cluster.
"""
return '', 200
def vm_modify():
"""
Modify a VM Libvirt XML in the PVC cluster.
"""
return '', 200
def vm_undefine():
"""
Undefine a VM from the PVC cluster.
"""
return '', 200
def vm_dump():
"""
Dump a VM Libvirt XML configuration.
"""
return '', 200
def vm_start():
"""
Start a VM in the PVC cluster.
"""
return '', 200
def vm_restart():
"""
Restart a VM in the PVC cluster.
"""
return '', 200
def vm_shutdown():
"""
Shutdown a VM in the PVC cluster.
"""
return '', 200
def vm_stop():
"""
Forcibly stop a VM in the PVC cluster.
"""
return '', 200
def vm_move():
"""
Move a VM to another node.
"""
return '', 200
def vm_migrate():
"""
Temporarily migrate a VM to another node.
"""
return '', 200
def vm_unmigrate():
"""
Unmigrate a migrated VM.
"""
return '', 200
#
# 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
def net_add():
"""
Add a virtual client network to the PVC cluster.
"""
return '', 200
def net_modify():
"""
Modify a virtual client network in the PVC cluster.
"""
return '', 200
def net_remove():
"""
Remove a virtual client network from the PVC cluster.
"""
return '', 200
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
def net_dhcp_add():
"""
Add a static DHCP lease to a virtual client network.
"""
return '', 200
def net_dhcp_remove():
"""
Remove a static DHCP lease from a virtual client network.
"""
return '', 200
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)
retflag, retdata = pvc_network.get_list_acl(zk_conn, network, limit, direction)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
def net_acl_add():
"""
Add an ACL to a virtual client network.
"""
return '', 200
def net_acl_remove():
"""
Remove an ACL from a virtual client network.
"""
return '', 200
#
# 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
def ceph_osd_add():
"""
Add a Ceph OSD to the PVC Ceph storage cluster.
"""
return '', 200
def ceph_osd_remove():
"""
Remove a Ceph OSD from the PVC Ceph storage cluster.
"""
return '', 200
def ceph_osd_in():
"""
Set in a Ceph OSD in the PVC Ceph storage cluster.
"""
return '', 200
def ceph_osd_out():
"""
Set out a Ceph OSD in the PVC Ceph storage cluster.
"""
return '', 200
def ceph_osd_set():
"""
Set options on a Ceph OSD in the PVC Ceph storage cluster.
"""
return '', 200
def ceph_osd_unset():
"""
Unset options on a Ceph OSD in the PVC Ceph storage cluster.
"""
return '', 200
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
def ceph_pool_add():
"""
Add a Ceph RBD pool to the PVC Ceph storage cluster.
"""
return '', 200
def ceph_pool_remove():
"""
Remove a Ceph RBD pool to the PVC Ceph storage cluster.
"""
return '', 200
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
def ceph_volume_add():
"""
Add a Ceph RBD volume to the PVC Ceph storage cluster.
"""
return '', 200
def ceph_volume_remove():
"""
Remove a Ceph RBD volume to the PVC Ceph storage cluster.
"""
return '', 200
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
def ceph_volume_snapshot_add():
"""
Add a Ceph RBD volume snapshot to the PVC Ceph storage cluster.
"""
return '', 200
def ceph_volume_snapshot_remove():
"""
Remove a Ceph RBD volume snapshot to the PVC Ceph storage cluster.
"""
return '', 200