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Datadog Agent check of Varnish running inside a container
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| # Run a Varnish container to test this | |
| # I had to hack TERM=xterm otherwise "varnishstat" would not work | |
| docker run -d -P -h "my_varnish" --name "my_varnish_container" -e TERM=xterm vbatts/fedora-varnish | |
| # "my_varnish_container" is used as container name in docker_varnishstat. |
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| #!/bin/bash | |
| # Be sure this file is executable and located in /opt/docker_varnishstat | |
| /usr/bin/docker exec my_varnish_container varnishstat "$@" |
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| init_config: | |
| instances: | |
| - varnishstat: /opt/docker_varnishstat |
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I'd just like to admit that wrapper script (
docker_varnishstat) needs to be accessible and executable. Without that DD Agent fails the check silently (no output, no error, exit code 0).