kevinveenbirkenbach/docker-volume-backup
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Solved bug concerning non running containers

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Kevin Veen-Birkenbach
2021-08-20 09:58:10 +02:00
parent 468f5c60d4
commit 08c961f6e3
1 changed files with 29 additions and 24 deletions
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53
docker-volume-backup.sh
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@@ -15,29 +15,34 @@ do
containers="$(docker ps --filter volume="$volume_name" --format '{{.Names}}')"; containers="$(docker ps --filter volume="$volume_name" --format '{{.Names}}')";
containers_array=($containers) containers_array=($containers)
container=${containers_array[0]} container=${containers_array[0]}
echo "stop containers:" && docker stop $containers if [ -z "$containers" ]
for source_path in $(docker inspect --format "{{ range .Mounts }}{{ if eq .Type \"volume\"}}{{ if eq .Name \"$volume_name\"}}{{ println .Destination }}{{ end }}{{ end }}{{ end }}" "$container"); then
do echo "skipped due to no running containers using this volume."
destination_path="$backup_repository_folder""latest/$volume_name"; else
raw_destination_path="$destination_path/raw" echo "stop containers:" && docker stop $containers
prepared_destination_path="$destination_path/prepared" for source_path in $(docker inspect --format "{{ range .Mounts }}{{ if eq .Type \"volume\"}}{{ if eq .Name \"$volume_name\"}}{{ println .Destination }}{{ end }}{{ end }}{{ end }}" "$container");
log_path="$backup_repository_folder""log.txt"; do
backup_dir_path="$backup_repository_folder""diffs/$backup_time/$volume_name"; destination_path="$backup_repository_folder""latest/$volume_name";
raw_backup_dir_path="$backup_dir_path/raw"; raw_destination_path="$destination_path/raw"
prepared_backup_dir_path="$backup_dir_path/prepared"; prepared_destination_path="$destination_path/prepared"
if [ -d "$destination_path" ] log_path="$backup_repository_folder""log.txt";
then backup_dir_path="$backup_repository_folder""diffs/$backup_time/$volume_name";
echo "backup volume: $volume_name"; raw_backup_dir_path="$backup_dir_path/raw";
else prepared_backup_dir_path="$backup_dir_path/prepared";
echo "first backup volume: $volume_name" if [ -d "$destination_path" ]
mkdir -vp "$raw_destination_path"; then
mkdir -vp "$raw_backup_dir_path"; echo "backup volume: $volume_name";
mkdir -vp "$prepared_destination_path"; else
mkdir -vp "$prepared_backup_dir_path"; echo "first backup volume: $volume_name"
fi mkdir -vp "$raw_destination_path";
docker run --rm --volumes-from "$container" -v "$backups_folder:$backups_folder" "kevinveenbirkenbach/alpine-rsync" sh -c " mkdir -vp "$raw_backup_dir_path";
rsync -abP --delete --delete-excluded --log-file=$log_path --backup-dir=$raw_backup_dir_path '$source_path/' $raw_destination_path"; mkdir -vp "$prepared_destination_path";
echo "start containers:" && docker start $reverse_containers; mkdir -vp "$prepared_backup_dir_path";
done fi
docker run --rm --volumes-from "$container" -v "$backups_folder:$backups_folder" "kevinveenbirkenbach/alpine-rsync" sh -c "
rsync -abP --delete --delete-excluded --log-file=$log_path --backup-dir=$raw_backup_dir_path '$source_path/' $raw_destination_path";
echo "start containers:" && docker start $reverse_containers;
done
fi
echo "end backup routine: $volume_name"; echo "end backup routine: $volume_name";
done done