kevinveenbirkenbach/docker-volume-backup
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Added draft for backup by volume instead of container

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Kevin Veen-Birkenbach 2021-08-19 13:43:22 +02:00
parent 5f6e60d502
commit c303a8b452
1 changed files with 26 additions and 21 deletions
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45
docker-volume-backup.sh
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@ -1,29 +1,34 @@
#!/bin/bash
# Just backups volumes of running containers
# If rsync stucks consider:
# @see https://stackoverflow.com/questions/20773118/rsync-suddenly-hanging-indefinitely-during-transfers
#
backup_time="$(date '+%Y%m%d%H%M%S')";
backups_folder="/Backups/";
for docker_container_name in $(docker ps --format '{{.Names}}');
for volume_name in $(docker volume ls --format '{{.Name}}');
do
echo "stop container: $docker_container_name" && docker stop "$docker_container_name"
for source_path in $(docker inspect --format '{{ range .Mounts }}{{ if eq .Type "volume" }}{{ println .Destination }}{{ end }}{{ end }}' "$docker_container_name");
for docker_container_name in $(docker ps -a --filter volume=$volume_name --format '{{.Names}}');
do
repository_name="$(cd "$(dirname "$(readlink -f "${0}")")" && basename `git rev-parse --show-toplevel`)";
machine_id="$(sha256sum /etc/machine-id | head -c 64)";
backup_repository_folder="$backups_folder$machine_id/$repository_name/";
destination_path="$backup_repository_folder""latest/$docker_container_name$source_path";
log_path="$backup_repository_folder""log.txt";
backup_dir_path="$backup_repository_folder""diffs/$backup_time/$docker_container_name$source_path";
if [ -d "$destination_path" ]
then
echo "backup: $source_path";
else
echo "first backup: $source_path"
mkdir -vp "$destination_path";
mkdir -vp "$backup_dir_path";
fi
docker run --rm --volumes-from "$docker_container_name" -v "$backups_folder:$backups_folder" "kevinveenbirkenbach/alpine-rsync" sh -c "
rsync -abP --delete --delete-excluded --log-file=$log_path --backup-dir=$backup_dir_path '$source_path/' $destination_path";
echo "stop container: $docker_container_name" && docker stop "$docker_container_name"
for source_path in $(docker inspect --format '{{ range .Mounts }}{{ if eq .Type "volume" }}{{ println .Destination }}{{ end }}{{ end }}' "$docker_container_name");
do
repository_name="$(cd "$(dirname "$(readlink -f "${0}")")" && basename `git rev-parse --show-toplevel`)";
machine_id="$(sha256sum /etc/machine-id | head -c 64)";
backup_repository_folder="$backups_folder$machine_id/$repository_name/";
destination_path="$backup_repository_folder""latest/$docker_container_name$source_path";
log_path="$backup_repository_folder""log.txt";
backup_dir_path="$backup_repository_folder""diffs/$backup_time/$docker_container_name$source_path";
if [ -d "$destination_path" ]
then
echo "backup: $source_path";
else
echo "first backup: $source_path"
mkdir -vp "$destination_path";
mkdir -vp "$backup_dir_path";
fi
docker run --rm --volumes-from "$docker_container_name" -v "$backups_folder:$backups_folder" "kevinveenbirkenbach/alpine-rsync" sh -c "
rsync -abP --delete --delete-excluded --log-file=$log_path --backup-dir=$backup_dir_path '$source_path/' $destination_path";
done
echo "start container: $docker_container_name" && docker start "$docker_container_name";
done
echo "start container: $docker_container_name" && docker start "$docker_container_name";
done