ansible/library/cloud/ovirt

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#!/usr/bin/python
# (c) 2013, Vincent Van der Kussen <vincent at vanderkussen.org>
#
# This file is part of Ansible
#
# Ansible 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.
#
# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
module: ovirt
author: Vincent Van der Kussen
short_description: oVirt/RHEV platform management
description:
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- allows you to create new instances, either from scratch or an image, in addition to deleting or stopping instances on the oVirt/RHEV platform
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version_added: "1.4"
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options:
user:
description:
- the user to authenticate with
default: null
required: true
aliases: []
url:
description:
- the url of the oVirt instance
default: null
required: true
aliases: []
instance_name:
description:
- the name of the instance to use
default: null
required: true
aliases: [ vmname ]
password:
description:
- password of the user to authenticate with
default: null
required: true
aliases: []
image:
description:
- template to use for the instance
default: null
required: false
aliases: []
resource_type:
description:
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- whether you want to deploy an image or create an instance from scratch.
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default: null
required: false
aliases: []
choices: [ 'new', 'template' ]
zone:
description:
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- deploy the image to this oVirt cluster
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default: null
required: false
aliases: []
instance_disksize:
description:
- size of the instance's disk in GB
default: null
required: false
aliases: [ vm_disksize]
instance_cpus:
description:
- the instance's number of cpu's
default: 1
required: false
aliases: [ vmcpus ]
instance_nic:
description:
- name of the network interface in oVirt/RHEV
default: null
required: false
aliases: [ vmnic ]
instance_network:
description:
- the logical network the machine should belong to
default: rhevm
required: false
aliases: [ vmnetwork ]
instance_mem:
description:
- the instance's amount of memory in MB
default: null
required: false
aliases: [ vmmem ]
instance_type:
description:
- define if the instance is a server or desktop
default: server
required: false
aliases: [ vmtype ]
choices: [ 'server', 'desktop' ]
disk_alloc:
description:
- define if disk is thin or preallocated
default: thin
required: false
aliases: []
choices: [ 'thin', 'preallocated' ]
disk_int:
description:
- interface type of the disk
default: virtio
required: false
aliases: []
choices: [ 'virtio', 'ide' ]
instance_os:
description:
- type of Operating System
default: null
required: false
aliases: [ vmos ]
instance_cores:
description:
- define the instance's number of cores
default: 1
required: false
aliases: [ vmcores ]
sdomain:
description:
- the Storage Domain where you want to create the instance's disk on.
default: null
required: false
aliases: []
region:
description:
- the oVirt/RHEV datacenter where you want to deploy to
default: null
required: false
aliases: []
state:
description:
- create, terminate or remove instances
default: 'present'
required: false
aliases: []
choices: ['present', 'absent', 'shutdown', 'started', 'restarted']
requirements: [ "ovirt-engine-sdk" ]
'''
EXAMPLES = '''
# Basic example provisioning from image.
action: ovirt >
user=admin@internal
url=https://ovirt.example.com
instance_name=ansiblevm04
password=secret
image=centos_64
zone=cluster01
resource_type=template"
# Full example to create new instance from scratch
action: ovirt >
instance_name=testansible
resource_type=new
instance_type=server
user=admin@internal
password=secret
url=https://ovirt.example.com
instance_disksize=10
zone=cluster01
region=datacenter1
instance_cpus=1
instance_nic=nic1
instance_network=rhevm
instance_mem=1000
disk_alloc=thin
sdomain=FIBER01
instance_cores=1
instance_os=rhel_6x64
disk_int=virtio"
# stopping an instance
action: ovirt >
instance_name=testansible
state=stopped
user=admin@internal
password=secret
url=https://ovirt.example.com
# starting an instance
action: ovirt >
instance_name=testansible
state=started
user=admin@internal
password=secret
url=https://ovirt.example.com
'''
try:
from ovirtsdk.api import API
from ovirtsdk.xml import params
except ImportError:
print "failed=True msg='ovirtsdk required for this module'"
sys.exit(1)
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# ------------------------------------------------------------------- #
# create connection with API
#
def conn(url, user, password):
api = API(url=url, username=user, password=password, insecure=True)
try:
value = api.test()
except:
print "error connecting to the oVirt API"
sys.exit(1)
return api
# ------------------------------------------------------------------- #
# Create VM from scratch
def create_vm(conn, vmtype, vmname, zone, vmdisk_size, vmcpus, vmnic, vmnetwork, vmmem, vmdisk_alloc, sdomain, vmcores, vmos, vmdisk_int):
if vmdisk_alloc == 'thin':
# define VM params
vmparams = params.VM(name=vmname,cluster=conn.clusters.get(name=zone),os=params.OperatingSystem(type_=vmos),template=conn.templates.get(name="Blank"),memory=1024 * 1024 * int(vmmem),cpu=params.CPU(topology=params.CpuTopology(cores=int(vmcores))), type_=vmtype)
# define disk params
vmdisk= params.Disk(size=1024 * 1024 * 1024 * int(vmdisk_size), wipe_after_delete=True, sparse=True, interface=vmdisk_int, type_="System", format='cow',
storage_domains=params.StorageDomains(storage_domain=[conn.storagedomains.get(name=sdomain)]))
# define network parameters
network_net = params.Network(name=vmnetwork)
nic_net1 = params.NIC(name='nic1', network=network_net, interface='virtio')
elif vmdisk_alloc == 'preallocated':
# define VM params
vmparams = params.VM(name=vmname,cluster=conn.clusters.get(name=zone),os=params.OperatingSystem(type_=vmos),template=conn.templates.get(name="Blank"),memory=1024 * 1024 * int(vmmem),cpu=params.CPU(topology=params.CpuTopology(cores=int(vmcores))) ,type_=vmtype)
# define disk params
vmdisk= params.Disk(size=1024 * 1024 * 1024 * int(vmdisk_size), wipe_after_delete=True, sparse=False, interface=vmdisk_int, type_="System", format='raw',
storage_domains=params.StorageDomains(storage_domain=[conn.storagedomains.get(name=sdomain)]))
# define network parameters
network_net = params.Network(name=vmnetwork)
nic_net1 = params.NIC(name=vmnic, network=network_net, interface='virtio')
try:
conn.vms.add(vmparams)
except:
print "Error creating VM with specified parameters"
sys.exit(1)
vm = conn.vms.get(name=vmname)
try:
vm.disks.add(vmdisk)
except:
print "Error attaching disk"
try:
vm.nics.add(nic_net1)
except:
print "Error adding nic"
# create an instance from a template
def create_vm_template(conn, vmname, image, zone):
vmparams = params.VM(name=vmname, cluster=conn.clusters.get(name=zone), template=conn.templates.get(name=image),disks=params.Disks(clone=True))
try:
conn.vms.add(vmparams)
except:
print 'error adding template %s' % image
sys.exit(1)
# start instance
def vm_start(conn, vmname):
vm = conn.vms.get(name=vmname)
vm.start()
# Stop instance
def vm_stop(conn, vmname):
vm = conn.vms.get(name=vmname)
vm.stop()
# restart instance
def vm_restart(conn, vmname):
state = vm_status(conn, vmname)
vm = conn.vms.get(name=vmname)
vm.stop()
while conn.vms.get(vmname).get_status().get_state() != 'down':
time.sleep(5)
vm.start()
# remove an instance
def vm_remove(conn, vmname):
vm = conn.vms.get(name=vmname)
vm.delete()
# ------------------------------------------------------------------- #
# VM statuses
#
# Get the VMs status
def vm_status(conn, vmname):
status = conn.vms.get(name=vmname).status.state
print "vm status is : %s" % status
return status
# Get VM object and return it's name if object exists
def get_vm(conn, vmname):
vm = conn.vms.get(name=vmname)
if vm == None:
name = "empty"
print "vmname: %s" % name
else:
name = vm.get_name()
print "vmname: %s" % name
return name
# ------------------------------------------------------------------- #
# Hypervisor operations
#
# not available yet
# ------------------------------------------------------------------- #
# Main
def main():
module = AnsibleModule(
argument_spec = dict(
state = dict(default='present', choices=['present', 'absent', 'shutdown', 'started', 'restart']),
#name = dict(required=True),
user = dict(required=True),
url = dict(required=True),
instance_name = dict(required=True, aliases=['vmname']),
password = dict(required=True),
image = dict(),
resource_type = dict(choices=['new', 'template']),
zone = dict(),
instance_disksize = dict(aliases=['vm_disksize']),
instance_cpus = dict(default=1, aliases=['vmcpus']),
instance_nic = dict(aliases=['vmnic']),
instance_network = dict(default='rhevm', aliases=['vmnetwork']),
instance_mem = dict(aliases=['vmmem']),
instance_type = dict(default='server', aliases=['vmtype'], choices=['server', 'desktop']),
disk_alloc = dict(default='thin', choices=['thin', 'preallocated']),
disk_int = dict(default='virtio', choices=['virtio', 'ide']),
instance_os = dict(aliases=['vmos']),
instance_cores = dict(default=1, aliases=['vmcores']),
sdomain = dict(),
region = dict(),
)
)
state = module.params['state']
user = module.params['user']
url = module.params['url']
vmname = module.params['instance_name']
password = module.params['password']
image = module.params['image'] # name of the image to deploy
resource_type = module.params['resource_type'] # template or from scratch
zone = module.params['zone'] # oVirt cluster
vmdisk_size = module.params['instance_disksize'] # disksize
vmcpus = module.params['instance_cpus'] # number of cpu
vmnic = module.params['instance_nic'] # network interface
vmnetwork = module.params['instance_network'] # logical network
vmmem = module.params['instance_mem'] # mem size
vmdisk_alloc = module.params['disk_alloc'] # thin, preallocated
vmdisk_int = module.params['disk_int'] # disk interface virtio or ide
vmos = module.params['instance_os'] # Operating System
vmtype = module.params['instance_type'] # server or desktop
vmcores = module.params['instance_cores'] # number of cores
sdomain = module.params['sdomain'] # storage domain to store disk on
region = module.params['region'] # oVirt Datacenter
#initialize connection
c = conn(url+"/api", user, password)
if state == 'present':
if get_vm(c, vmname) == "empty":
if resource_type == 'template':
create_vm_template(c, vmname, image, zone)
module.exit_json(changed=True, msg="deployed VM %s from template %s" % (vmname,image))
elif resource_type == 'new':
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# FIXME: refactor, use keyword args.
create_vm(c, vmtype, vmname, zone, vmdisk_size, vmcpus, vmnic, vmnetwork, vmmem, vmdisk_alloc, sdomain, vmcores, vmos, vmdisk_int)
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module.exit_json(changed=True, msg="deployed VM %s from scratch" % vmname)
else:
module.exit_json(changed=False, msg="You did not specify a resource type")
else:
module.exit_json(changed=False, msg="VM %s already exists" % vmname)
if state == 'started':
if vm_status(c, vmname) == 'up':
module.exit_json(changed=False, msg="VM %s is already running" % vmname)
else:
vm_start(c, vmname)
module.exit_json(changed=True, msg="VM %s started" % vmname)
if state == 'shutdown':
if vm_status(c, vmname) == 'down':
module.exit_json(changed=False, msg="VM %s is already shutdown" % vmname)
else:
vm_stop(c, vmname)
module.exit_json(changed=True, msg="VM %s is shutting down" % vmname)
if state == 'restart':
if vm_status(c, vmname) == 'up':
vm_restart(c, vmname)
module.exit_json(changed=True, msg="VM %s is restarted" % vmname)
else:
module.exit_json(changed=False, msg="VM %s is not running" % vmname)
if state == 'absent':
if get_vm(c, vmname) == "empty":
module.exit_json(changed=False, msg="VM %s does not exist" % vmname)
else:
vm_remove(c, vmname)
module.exit_json(changed=True, msg="VM %s removed" % vmname)
# import module snippets
from ansible.module_utils.basic import *
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main()