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https://github.com/kevinveenbirkenbach/docker-volume-backup.git
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Made more restrictiv
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@ -3,45 +3,47 @@
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# If rsync stucks consider:
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# @see https://stackoverflow.com/questions/20773118/rsync-suddenly-hanging-indefinitely-during-transfers
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#
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backup_time="$(date '+%Y%m%d%H%M%S')";
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backups_folder="/Backups/";
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repository_name="$(cd "$(dirname "$(readlink -f "${0}")")" && basename `git rev-parse --show-toplevel`)";
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machine_id="$(sha256sum /etc/machine-id | head -c 64)";
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backup_repository_folder="$backups_folder$machine_id/$repository_name/";
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for volume_name in $(docker volume ls --format '{{.Name}}');
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echo "start volume backups..."
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backup_time="$(date '+%Y%m%d%H%M%S')" &&
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backups_folder="/Backups/" &&
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repository_name="$(cd "$(dirname "$(readlink -f "${0}")")" && basename `git rev-parse --show-toplevel`)" &&
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machine_id="$(sha256sum /etc/machine-id | head -c 64)" &&
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backup_repository_folder="$backups_folder$machine_id/$repository_name/" || exit 1
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for volume_name in $(docker volume ls --format '{{.Name}}')
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do
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echo "start backup routine: $volume_name";
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containers="$(docker ps --filter volume="$volume_name" --format '{{.Names}}')";
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containers_array=($containers)
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container=${containers_array[0]}
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echo "start backup routine for volume: $volume_name" &&
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containers="$(docker ps --filter volume="$volume_name" --format '{{.Names}}')" &&
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containers_array=($containers) &&
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container=${containers_array[0]} || exit 1
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if [ -z "$containers" ]
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then
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echo "skipped due to no running containers using this volume."
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echo "skipped due to no running containers using this volume." || exit 1
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else
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echo "stop containers:" && docker stop $containers
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echo "stop containers:" && docker stop $containers || exit 1
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for source_path in $(docker inspect --format "{{ range .Mounts }}{{ if eq .Type \"volume\"}}{{ if eq .Name \"$volume_name\"}}{{ println .Destination }}{{ end }}{{ end }}{{ end }}" "$container");
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do
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destination_path="$backup_repository_folder""latest/$volume_name";
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raw_destination_path="$destination_path/raw"
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prepared_destination_path="$destination_path/prepared"
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log_path="$backup_repository_folder""log.txt";
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backup_dir_path="$backup_repository_folder""diffs/$backup_time/$volume_name";
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raw_backup_dir_path="$backup_dir_path/raw";
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prepared_backup_dir_path="$backup_dir_path/prepared";
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destination_path="$backup_repository_folder""latest/$volume_name" &&
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raw_destination_path="$destination_path/raw" &&
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prepared_destination_path="$destination_path/prepared" &&
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log_path="$backup_repository_folder""log.txt" &&
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backup_dir_path="$backup_repository_folder""diffs/$backup_time/$volume_name" &&
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raw_backup_dir_path="$backup_dir_path/raw" &&
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prepared_backup_dir_path="$backup_dir_path/prepared" || exit 1
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if [ -d "$destination_path" ]
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then
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echo "backup volume: $volume_name";
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echo "backup volume: $volume_name" || exit 1
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else
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echo "first backup volume: $volume_name"
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mkdir -vp "$raw_destination_path";
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mkdir -vp "$raw_backup_dir_path";
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mkdir -vp "$prepared_destination_path";
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mkdir -vp "$prepared_backup_dir_path";
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echo "first backup volume: $volume_name" &&
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mkdir -vp "$raw_destination_path" &&
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mkdir -vp "$raw_backup_dir_path" &&
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mkdir -vp "$prepared_destination_path" &&
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mkdir -vp "$prepared_backup_dir_path" || exit 1
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fi
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docker run --rm --volumes-from "$container" -v "$backups_folder:$backups_folder" "kevinveenbirkenbach/alpine-rsync" sh -c "
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rsync -abP --delete --delete-excluded --log-file=$log_path --backup-dir=$raw_backup_dir_path '$source_path/' $raw_destination_path";
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echo "start containers:" && docker start $containers;
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rsync -abP --delete --delete-excluded --log-file=$log_path --backup-dir=$raw_backup_dir_path '$source_path/' $raw_destination_path" &&
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echo "start containers:" && docker start $containers || exit 1
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done
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fi
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echo "end backup routine: $volume_name";
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echo "end backup routine for volume: $volume_name" || exit 1
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done
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echo "finished backup routine." || exit 1
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