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Merge pull request #2702 from DazWorrall/devel

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Add define command to virt module
This commit is contained in:
Michael DeHaan 2013-04-27 08:15:48 -07:00
commit 2e57c40cc2
1 changed files with 30 additions and 3 deletions
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33
library/virt
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@ -44,12 +44,17 @@ options:
required: false required: false
choices: ["create","status", "start", "stop", "pause", "unpause", choices: ["create","status", "start", "stop", "pause", "unpause",
"shutdown", "undefine", "destroy", "get_xml", "autostart", "shutdown", "undefine", "destroy", "get_xml", "autostart",
"freemem", "list_vms", "info", "nodeinfo", "virttype"] "freemem", "list_vms", "info", "nodeinfo", "virttype", "define"]
uri: uri:
description: description:
- libvirt connection uri - libvirt connection uri
required: false required: false
defaults: qemu:///system defaults: qemu:///system
xml:
description:
- XML document used with the define command
required: false
default: null
examples: examples:
- code: "virt: name=alpha state=running" - code: "virt: name=alpha state=running"
description: "Example from Ansible Playbooks" description: "Example from Ansible Playbooks"
@ -76,7 +81,7 @@ except ImportError:
ALL_COMMANDS = [] ALL_COMMANDS = []
VM_COMMANDS = ['create','status', 'start', 'stop', 'pause', 'unpause', VM_COMMANDS = ['create','status', 'start', 'stop', 'pause', 'unpause',
'shutdown', 'undefine', 'destroy', 'get_xml', 'autostart'] 'shutdown', 'undefine', 'destroy', 'get_xml', 'autostart', 'define']
HOST_COMMANDS = ['freemem', 'list_vms', 'info', 'nodeinfo', 'virttype'] HOST_COMMANDS = ['freemem', 'list_vms', 'info', 'nodeinfo', 'virttype']
ALL_COMMANDS.extend(VM_COMMANDS) ALL_COMMANDS.extend(VM_COMMANDS)
ALL_COMMANDS.extend(HOST_COMMANDS) ALL_COMMANDS.extend(HOST_COMMANDS)
@ -91,6 +96,8 @@ VIRT_STATE_NAME_MAP = {
6 : "crashed" 6 : "crashed"
} }
class VMNotFound(Exception): pass
class LibvirtConnection(object): class LibvirtConnection(object):
def __init__(self, uri): def __init__(self, uri):
@ -136,7 +143,7 @@ class LibvirtConnection(object):
if vm.name() == vmid: if vm.name() == vmid:
return vm return vm
raise Exception("virtual machine %s not found" % vmid) raise VMNotFound("virtual machine %s not found" % vmid)
def shutdown(self, vmid): def shutdown(self, vmid):
return self.find_vm(vmid).shutdown() return self.find_vm(vmid).shutdown()
@ -195,6 +202,8 @@ class LibvirtConnection(object):
vm = self.conn.lookupByName(vmid) vm = self.conn.lookupByName(vmid)
return vm.setAutostart(val) return vm.setAutostart(val)
def define_from_xml(self, xml):
return self.conn.defineXML(xml)
class Virt(object): class Virt(object):
@ -357,12 +366,20 @@ class Virt(object):
self.__get_conn() self.__get_conn()
return self.conn.get_MaxMemory(vmid) return self.conn.get_MaxMemory(vmid)
def define(self, xml):
"""
Define a guest with the given xml
"""
self.__get_conn()
return self.conn.define_from_xml(xml)
def core(module): def core(module):
state = module.params.get('state', None) state = module.params.get('state', None)
guest = module.params.get('name', None) guest = module.params.get('name', None)
command = module.params.get('command', None) command = module.params.get('command', None)
uri = module.params.get('uri', None) uri = module.params.get('uri', None)
xml = module.params.get('xml', None)
v = Virt(uri) v = Virt(uri)
res = {} res = {}
@ -390,6 +407,15 @@ def core(module):
if command in VM_COMMANDS: if command in VM_COMMANDS:
if not guest: if not guest:
module.fail_json(msg = "%s requires 1 argument: guest" % command) module.fail_json(msg = "%s requires 1 argument: guest" % command)
if command == 'define':
if not xml:
module.fail_json(msg = "define requires xml argument")
try:
v.get_vm(guest)
except VMNotFound:
v.define(xml)
res = {'changed': True, 'created': guest}
return VIRT_SUCCESS, res
res = getattr(v, command)(guest) res = getattr(v, command)(guest)
if type(res) != dict: if type(res) != dict:
res = { command: res } res = { command: res }
@ -413,6 +439,7 @@ def main():
state = dict(choices=['running', 'shutdown']), state = dict(choices=['running', 'shutdown']),
command = dict(choices=ALL_COMMANDS), command = dict(choices=ALL_COMMANDS),
uri = dict(default='qemu:///system'), uri = dict(default='qemu:///system'),
xml = dict(),
)) ))
rc = VIRT_SUCCESS rc = VIRT_SUCCESS