A module for notifications through the Slack.com platform

This module can send messages through Slack.com, and supports all options
available in the "incoming webhook integration".

- text
- channel
- username
- icon_url / icon_emoji
- link_names
- parse

library/notification/slack

@@ -0,0 +1,174 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# (c) 2014, Ramon de la Fuente <ramon@delafuente.nl>
+#
+# 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: slack
+short_description: Send notifications to U(Slack.com)
+description:
+    - The M(slack) module sends notifications to U(Slack.com) via the incoming WebHook
+      See the Slack documentation U()
+version_added: 1.6
+author: Ramon de la Fuente <ramon@delafuente.nl>
+options:
+  domain:
+    description:
+      - Slack (sub)domain for your environment without protocol.
+        (i.e. C(future500.slack.com))
+    required: true
+  token:
+    description:
+      - Slack integration token
+    required: true
+  msg:
+    description:
+      - Message to send.
+    required: true
+  channel:
+    description:
+      - Channel to send the message to. If absent, the message goes to the channel selected for the I(token).
+    required: false
+  username:
+    description:
+      - This is the sender of the message.
+    required: false
+    default: ansible
+  icon_url:
+    description:
+      - Url for the message sender's icon (default C(http://www.ansibleworks.com/favicon.ico))
+    required: false
+  icon_emoji:
+    description:
+      - Emoji for the message sender. See Slack documentation for options.
+        (if I(icon_emoji) is set, I(icon_url) will not be used)
+    required: false
+  link_names:
+    description:
+      - Automatically create links for channels and usernames in I(msg).
+    required: false
+    default: 1
+    choices:
+      - 1
+      - 0
+  parse:
+    description:
+      - Setting for the message parser at Slack
+    required: false
+    choices:
+      - 'full'
+      - 'none'
+  validate_certs:
+    description:
+      - If C(no), SSL certificates will not be validated. This should only be used
+        on personally controlled sites using self-signed certificates.
+    required: false
+    default: 'yes'
+    choices:
+      - 'yes'
+      - 'no'
+"""
+
+EXAMPLES = """
+- name: Send notification message via Slack
+  local_action:
+    module: slack
+    domain: future500.slack.com
+    token: thetokengeneratedbyslack
+    msg: "{{ inventory_hostname }} completed"
+
+- name: Send notification message via Slack all options
+  local_action:
+    module: slack
+    domain: future500.slack.com
+    token: thetokengeneratedbyslack
+    msg: "{{ inventory_hostname }} completed"
+    channel: "#ansible"
+    username: "Ansible on {{ inventory_hostname }}"
+    icon_url: "http://www.example.com/some-image-file.png"
+    link_names: 0
+    parse: 'none'
+
+"""
+
+
+SLACK_INCOMING_WEBHOOK = 'https://%s/services/hooks/incoming-webhook?token=%s'
+
+def build_payload_for_slack(module, text, channel, username, icon_url, icon_emoji, link_names, parse):
+    payload = dict(text=text)
+
+    if channel is not None:
+        payload['channel'] = channel if (channel[0] == '#') else '#'+channel
+    if username is not None:
+        payload['username'] = username
+    if icon_emoji is not None:
+        payload['icon_emoji'] = icon_emoji
+    else:
+        payload['icon_url'] = icon_url
+    if link_names is not None:
+        payload['link_names'] = link_names
+    if parse is not None:
+        payload['parse'] = parse
+
+    payload="payload=" + module.jsonify(payload)
+    return payload
+
+def do_notify_slack(module, domain, token, payload):
+    slack_incoming_webhook = SLACK_INCOMING_WEBHOOK % (domain, token)
+
+    response, info = fetch_url(module, slack_incoming_webhook, data=payload)
+    if info['status'] != 200:
+        obscured_incoming_webhook = SLACK_INCOMING_WEBHOOK % (domain, '[obscured]')
+        module.fail_json(msg=" failed to send %s to %s: %s" % (payload, obscured_incoming_webhook, info['msg']))
+
+def main():
+    module = AnsibleModule(
+        argument_spec = dict(
+            domain      = dict(type='str', required=True),
+            token       = dict(type='str', required=True),
+            msg         = dict(type='str', required=True),
+            channel     = dict(type='str', default=None),
+            username    = dict(type='str', default='Ansible'),
+            icon_url    = dict(type='str', default='http://www.ansibleworks.com/favicon.ico'),
+            icon_emoji  = dict(type='str', default=None),
+            link_names  = dict(type='int', default=1, choices=[0,1]),
+            parse       = dict(type='str', default=None, choices=['none', 'full']),
+
+            validate_certs = dict(default='yes', type='bool'),
+        )
+    )
+
+    domain = module.params['domain']
+    token = module.params['token']
+    text = module.params['msg']
+    channel = module.params['channel']
+    username = module.params['username']
+    icon_url = module.params['icon_url']
+    icon_emoji = module.params['icon_emoji']
+    link_names = module.params['link_names']
+    parse = module.params['parse']
+
+    payload = build_payload_for_slack(module, text, channel, username, icon_url, icon_emoji, link_names, parse)
+    do_notify_slack(module, domain, token, payload)
+
+    module.exit_json(msg="OK")
+
+# import module snippets
+from ansible.module_utils.basic import *
+from ansible.module_utils.urls import *
+main()