bb241dea43
Because the container name is generated it isn't possible to determine this inside the container. This adds the MRSK_CONTAINER_NAME env var when running the container so it can be read by the service running inside the container.
52 lines
1.2 KiB
Ruby
52 lines
1.2 KiB
Ruby
class Mrsk::Commands::Healthcheck < Mrsk::Commands::Base
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EXPOSED_PORT = 3999
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def run
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web = config.role(:web)
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docker :run,
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"--detach",
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"--name", container_name_with_version,
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"--publish", "#{EXPOSED_PORT}:#{config.healthcheck["port"]}",
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"--label", "service=#{container_name}",
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"-e", "MRSK_CONTAINER_NAME=\"#{container_name}\"",
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*web.env_args,
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*config.volume_args,
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config.absolute_image,
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web.cmd
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end
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def curl
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[ :curl, "--silent", "--output", "/dev/null", "--write-out", "'%{http_code}'", "--max-time", "2", health_url ]
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end
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def logs
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pipe container_id, xargs(docker(:logs, "--tail", 50, "2>&1"))
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end
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def stop
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pipe container_id, xargs(docker(:stop))
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end
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def remove
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pipe container_id, xargs(docker(:container, :rm))
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end
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private
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def container_name
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[ "healthcheck", config.service, config.destination ].compact.join("-")
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end
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def container_name_with_version
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"#{container_name}-#{config.version}"
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end
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def container_id
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container_id_for(container_name: container_name)
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end
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def health_url
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"http://localhost:#{EXPOSED_PORT}#{config.healthcheck["path"]}"
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end
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end
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