mirror of
https://github.com/kevinveenbirkenbach/docker-volume-backup.git
synced 2024-10-18 18:23:10 +02:00
34 lines
1.7 KiB
Bash
34 lines
1.7 KiB
Bash
#!/bin/bash
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backup_time="$(date '+%Y%m%d%H%M%S')"
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docker_backups_mount="/Backups/"
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native_backups_mount_prefix="$HOME"
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native_backups_mount="$native_backups_mount_prefix$docker_backups_mount"
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for docker_container_name in $(docker ps --format '{{.Names}}');
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do
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echo "stop container: $docker_container_name" && docker stop "$docker_container_name"
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for source_path in $(docker inspect --format '{{ range .Mounts }}{{ if eq .Type "volume" }}{{ println .Destination }}{{ end }}{{ end }}' "$docker_container_name");
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do
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application_path="$docker_backups_mount$(cat /etc/machine-id)/docker/$docker_container_name"
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first_destination_path="$application_path""first""$source_path";
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latest_destination_path="$application_path""latest""$source_path";
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backup_dir_path="$application_path""diffs/$backup_time/$source_path"
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if [ -d "$native_backups_mount_prefix$application_path)" ]
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then
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echo "backup: $source_path"
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destination_path="$latest_destination_path";
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else
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echo "first backup: $source_path"
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destination_path="$first_destination_path";
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fi
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mkdir "$native_backups_mount_prefix$destination_path";
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docker run --rm --volumes-from "$docker_container_name" -v "$native_backups_mount:$docker_backups_mount" "kevinveenbirkenbach/alpine-rsync" sh -c "
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test -d $source_path &&
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mkdir -p $destination_path &&
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rsync -a --delete --backup-dir="$backup_dir_path" $source_path $destination_path ||
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mkdir -p $(dirname $destination_path) &&
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rsync -a --delete --backup-dir="$(dirname $backup_dir_path)" $source_path $(dirname $destination_path)";
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done
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echo "start container: $docker_container_name" && docker start "$docker_container_name"
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done
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