Very simple program that can run some nagios plugins on a schedule and notify to slack when their state change.
The program is configured solely through environment variables:
To set up a check export:
SLAGIOS_check_<check_name>=<check_comand>
where <check_name> could be something like "01" for the first check,
"02" for the second etc. But <check_name> can be any string as long as
it unique to a check.
Optionally set the check and recheck interval for a check:
SLAGIOS_interval_<check_name>=<check_interval>
SLAGIOS_rinterval_<check_name>=<check_interval>
Use the same <check_name> as for the check command you want to change.
The default check interval is 60s, but this can be changed by setting:
SLAGIOS_interval=<check_interval>
The default recheck interval is 60s, but this can be changed by setting:
SLAGIOS_rinterval=<check_interval>
<check_interval> is in nano seconds, but takes any string parseable by
go's time.ParseDuration function. Eg. 30s, 1min etc.
A Slack webhook URL is required if you want to send state changes to Slack:
SLAGIOS_webhook=<url>
To enable a slash command create a slash command in a Slack App to
<slash_cmd>, point i to the exposed port (port 80 internally), and set
the following environment variable with you Slack App signing key key:
SLAGIOS_signingkey=<signing_secret>
SLAGIOS_slashcmd=<slash_cmd>
To run the docker image create a file containing environment variables as described above, and run:
docker run --name slagios --rm --env-file env -p 8000:80 jbros/slagios
To build the docker image:
docker build -t jbros/slagios .