computer-playbook/roles/health-docker-volumes/files/health-docker-volumes.sh

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1.7 KiB
Bash

#!/bin/bash
status=0
# The first argument is a space-separated list of whitelisted volume IDs
whitelist=$1
whitelisted_volumes=($whitelist) # Split into an array
anonymous_volumes=$(docker volume ls --format "{{.Name}}" | grep -E '^[a-f0-9]{64}$')
if [ -z "$anonymous_volumes" ]; then
echo "No anonymous volumes found."
exit
fi
echo "Anonymous volumes found:"
for volume in $anonymous_volumes; do
# Check if the volume is in the whitelist
if printf '%s\n' "${whitelisted_volumes[@]}" | grep -q "^$volume$"; then
echo "Volume $volume is whitelisted and will be skipped."
continue
fi
container_mount_path=$(docker ps -q | xargs -I {} docker inspect {} --format="{{range .Mounts}}{{if eq .Name \"$volume\"}}{{.Destination}}{{end}}{{end}}" | tr -d '\n' | xargs)
if [ "$container_mount_path" == "/var/www/bootstrap" ]; then
echo "Volume $volume is a bootstrap volume and will be skipped."
continue
fi
((status++))
container_ids=$(docker ps -aq --filter volume=$volume)
if [ -z "$container_ids" ]; then
echo "Volume $volume is not used by any running containers."
continue
fi
for container_id in $container_ids; do
container_name=$(docker inspect --format '{{ .Name }}' $container_id | sed 's#^/##')
mount_path=$(docker inspect --format "{{ range .Mounts }}{{ if eq .Name \"$volume\" }}{{ .Destination }}{{ end }}{{ end }}" $container_id)
if [ -n "$mount_path" ]; then
echo "Volume $volume is used by container $container_name at mount path $mount_path"
else
echo "Volume $volume is used by container $container_name, but mount path could not be determined."
fi
done
done
exit $status