Mattermost Plugin

Send alerts to Mattermost.

Installation

Clone the GitHub repo and run:

$ python setup.py install

Or, to install remotely from GitHub run:

$ pip install git+https://github.com/alerta/alerta-contrib.git#subdirectory=plugins/mattermost

Note: If Alerta is installed in a python virtual environment then plugins need to be installed into the same environment for Alerta to dynamically discover them.

Configuration

Add mattermost to the list of enabled PLUGINS in alertad.conf server configuration file and set plugin-specific variables either in the server configuration file or as environment variables.

PLUGINS = ['mattermost']
MATTERMOST_URL = '' # default="not set"
MATTERMOST_TOKEN = '' # default="not set"
MATTERMOST_USERNAME = # '' default="alerta"

Create a new incoming webhook in your Mattermost installation. See https://docs.mattermost.com/developer/webhooks-incoming.html

Templating

No templating support at this time. Use hardcoded reasonable one.

Troubleshooting

Restart Alerta API and confirm that the plugin has been loaded and enabled.

Set DEBUG=True in the alertad.conf configuration file and look for log entries with mattermost substring. Like:

--------------------------------------------------------------------------------
Server plugin 'mattermost' enabled. [in /venv/lib/python3.6/site-packages/alerta/utils/plugin.py:31]
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Server plugin 'mattermost' installed. [in /venv/lib/python3.6/site-packages/alerta/utils/plugin.py:23]
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
DEBUG - Starting new HTTPS connection (1): mattermost.example.com:443 [in /venv/lib/python3.6/site-packages/urllib3/connectionpool.py:823]
--------------------------------------------------------------------------------

References

Mattermost: https://docs.mattermost.com/
Mattermost Icoming Webhooks: https://docs.mattermost.com/developer/webhooks-incoming.html
Matterhook: https://github.com/numberly/matterhook

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