new module to do notifications over jabber (xmpp)

Signed-off-by: Brian Coca <briancoca+dev@gmail.com>

library/notification/jabber

+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+DOCUMENTATION = '''
+---
+module: jabber
+short_description: Send a message to jabber user or chat room
+description:
+   - Send a message to jabber
+options:
+  user:
+    description:
+      User as which to connect
+    required: true
+  password:
+    description:
+      password for user to connect
+    required: true
+  to:
+    description:
+      user ID or name of the room.
+    required: true
+  msg:
+    description:
+      - The message body.
+    required: true
+    default: null
+  host:
+    description:
+      host to connect, overrides user info
+    required: false
+  port:
+    description:
+      port to connect to, overrides default
+    required: false
+    default: 5222
+  encoding:
+    description:
+      message encoding
+    required: false
+
+# informational: requirements for nodes
+requirements: [ xmpp ]
+author: Brian Coca
+'''
+
+EXAMPLES = '''
+- description: message to jabber user/room
+  code: jabber: user=mybot@chatserver.tld password=secret to=mychaps@chatserver.tld  msg="Ansible task finished"
+
+- description: message specifying host and port
+  code: jabber user=mybot@chatserver.tld host=talk.chatserver.tld port=5223 password=secret to=mychaps@chatserver.tld  msg="Ansible task finished"
+'''
+
+import os
+import time
+
+HAS_XMPP = True
+try:
+    import xmpp
+except ImportError:
+    HAS_XMPP = False
+
+def main():
+
+    module = AnsibleModule(
+        argument_spec=dict(
+            user=dict(required=True),
+            password=dict(required=True),
+            to=dict(required=True),
+            msg=dict(required=True),
+            host=dict(required=False),
+            port=dict(required=False,default=5222),
+            encoding=dict(required=False),
+        ),
+        supports_check_mode=True
+    )
+
+    if not HAS_XMPP:
+        module.fail_json(msg="xmpp is not installed")
+
+    jid = xmpp.JID(module.params['user'])
+    user = jid.getNode()
+    server = jid.getDomain()
+    port = module.params['port']
+    if module.params['host']:
+        host = module.params['host']
+    else:
+        host = server
+    password = module.params['password']
+    if module.params['encoding']:
+        xmpp.simplexml.ENCODING = params['encoding']
+
+    try:
+        conn=xmpp.Client(server)
+        if not conn.connect(server=(host,port)):
+            module.fail_json(rc=1, msg='Failed to connect to server: %s' % (server))
+        if not conn.auth(user,password,'Ansible'):
+            module.fail_json(rc=1, msg='Failed to authorize %s on: %s' % (user,server))
+
+        # some old servers require this, also the sleep following send
+        conn.sendInitPresence(requestRoster=0)
+        if not module.check_mode:
+            conn.send(xmpp.Message(module.params['to'], module.params['msg']))
+        time.sleep(1)
+        conn.disconnect()
+    except Exception, e:
+        module.fail_json(msg="unable to send msg: %s" % e)
+
+    changed = True
+    module.exit_json(changed=changed, to=module.params['to'], user=module.params['user'], msg=module.params['msg'])
+
+# this is magic, see lib/ansible/module_common.py
+#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
+main()