48 lines
1.2 KiB
Bash
48 lines
1.2 KiB
Bash
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#! /bin/bash
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#################
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# docker_healthcheck.sh
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#
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# Returns the results of a Docker Healthcheck for a container
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#################
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container_name=$1
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# Returns caintainer ID for a given container name
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function get_container_id {
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local container_name=$1
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curl --unix-socket /var/run/docker.sock 'http://localhost/containers/json?all=1' 2>/dev/null \
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| jq -r ".[] | {Id, Name: .Names[]} | select(.Name == \"/${container_name}\") | .Id"
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}
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# Returns container JSON
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function inspect_container {
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local container_id=$1
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curl --unix-socket /var/run/docker.sock http://localhost/containers/$container_id/json 2>/dev/null
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}
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if [ -z "$container_name" ]; then
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echo "Usage: $0 container_name"
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echo "Will return results of healthcheck for continer with provided name"
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exit 1
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fi
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container_id=$(get_container_id $container_name)
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if [ -z "$container_id" ]; then
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echo "ERROR: Could not find container with name: $container_name"
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exit 1
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fi
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health=$(inspect_container $container_id | jq -r '.State.Health.Status')
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case $health in
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"null")
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echo "No healthcheck results"
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;;
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"starting|healthy")
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echo "Status: '$health'"
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;;
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*)
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echo "Status: '$health'"
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exit 1
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esac
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