Enable virt module to work with different libvirt connection uris. This allow to…

Enable virt module to work with different libvirt connection uris. This allow to work with all libvirt supported VMs.

library/virt

@@ -25,7 +25,8 @@ version_added: "0.2"
 options:
   name:
     description:
-      - name of the guest VM being managed
+      - name of the guest VM being managed. Note that VM must be previously
+        defined with xml.
     required: true
     default: null
     aliases: []
@@ -44,6 +45,11 @@ options:
     choices: ["create","status", "start", "stop", "pause", "unpause",
               "shutdown", "undefine", "destroy", "get_xml", "autostart",
               "freemem", "list_vms", "info", "nodeinfo", "virttype"]
+  uri:
+    description:
+      - libvirt connection uri
+    required: false
+    defaults: qemu:///
 examples:
    - code: "virt: name=alpha state=running"
      description: "Example from Ansible Playbooks"
@@ -51,6 +57,7 @@ examples:
      description: "Example guest management with C(/usr/bin/ansible)"
    - code: ansible host -m virt -a "name=alpha command=get_xml"
      description: "Use C(/usr/bin/ansible) to get the xml of the guest machine alpha"
+   - code: ansible host -m virt -a "name=alpha command=create uri=lxc:///"
 requirements: [ "libvirt" ]
 author: Michael DeHaan, Seth Vidal
 '''
@@ -86,7 +93,7 @@ VIRT_STATE_NAME_MAP = {
 
 class LibvirtConnection(object):
 
-    def __init__(self):
+    def __init__(self, uri):
 
         cmd = subprocess.Popen("uname -r", shell=True, stdout=subprocess.PIPE,
                                 close_fds=True)
@@ -95,7 +102,7 @@ class LibvirtConnection(object):
         if output.find("xen") != -1:
             conn = libvirt.open(None)
         else:
-            conn = libvirt.open("qemu:///system")
+            conn = libvirt.open(uri)
 
         if not conn:
             raise Exception("hypervisor connection failure")
@@ -192,8 +199,11 @@ class LibvirtConnection(object):
 
 class Virt(object):
 
+    def __init__(self, uri):
+        self.uri = uri
+
     def __get_conn(self):
-        self.conn = LibvirtConnection()
+        self.conn = LibvirtConnection(self.uri)
         return self.conn
 
     def get_vm(self, vmid):
@@ -352,8 +362,9 @@ def core(module):
     state      = module.params.get('state', None)
     guest      = module.params.get('name', None)
     command    = module.params.get('command', None)
+    uri        = module.params.get('uri', None)
 
-    v = Virt()
+    v = Virt(uri)
     res = {}
 
 
@@ -401,6 +412,7 @@ def main():
         name = dict(aliases=['guest']),
         state = dict(choices=['running', 'shutdown']),
         command = dict(choices=ALL_COMMANDS),
+        uri = dict(default='qemu:///system'),
     ))
 
     rc = VIRT_SUCCESS