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Add docker volume backups

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This commit is contained in:
Thomas Kleinendorst 2025-01-14 13:44:49 +01:00
parent 8a14457aef
commit 51915829ab
2 changed files with 61 additions and 2 deletions
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50
roles/backups/files/backup_script.sh
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@ -18,7 +18,7 @@ cleanup() {
}
trap 'cleanup' INT TERM
# region: ---------------------------------- DBBACKUPS ----------------------------------
# region: ------ DB_BACKUPS -----------------------------------------------------------------------
createDatabaseBackup() {
host=$1
dbname=$2
@ -64,6 +64,52 @@ createAllDatabaseBackups() {
createDatabaseBackup "$host" "$dbname" "$username" "$password" "$targetFolderPath"
done
}
# endregion: ------------------------------- DBBACKUPS ----------------------------------
# endregion: --- DB_BACKUPS -----------------------------------------------------------------------
# region: ------ DOCKER_VOLUME_BACKUPS ------------------------------------------------------------
createDockerVolumeBackup() {
containerName=$1
volumeName=$2
specificVolumeBackupPath=$3
logInfo "Backup up Docker volume: $volumeName from running container: $containerName..."
logInfo "Stopping container: $containerName..."
docker stop "$containerName"
logInfo "Starting new container which copies over files..."
start=$SECONDS
docker run --rm -v "$volumeName:/volume" -v "$specificVolumeBackupPath:/target" --entrypoint "ash"\
alpine -c "cp -rf /volume/* /target/"
elapsedSeconds=$(( SECONDS - start ))
logInfo "Copying succeeded (in $elapsedSeconds seconds), restarting container..."
docker start "$containerName"
}
createAllDockerVolumeBackups() {
nrOfConfigurations="$(yq '.docker_volume_backups | length' <"$configurationFileLocation")"
logInfo "Backing up from $nrOfConfigurations docker configurations..."
dockerVolumeBackupPath="$workDirPath/docker_volumes"
mkdir -p "$dockerVolumeBackupPath"
for ((i = 0 ; i < "$nrOfConfigurations" ; i++)); do
dockerConfiguration="$(yq ".docker_volume_backups[$i]" <"$configurationFileLocation")"
containerName="$(echo "$dockerConfiguration" | jq -r '.container_name')"
volumeName="$(echo "$dockerConfiguration" | jq -r '.volume_name')"
specificVolumeBackupPath="$dockerVolumeBackupPath/$volumeName"
mkdir -p "$specificVolumeBackupPath"
createDockerVolumeBackup "$containerName" "$volumeName" "$specificVolumeBackupPath"
done
}
# endregion: --- DOCKER_VOLUME_BACKUPS ------------------------------------------------------------
# region: ------ PREPARE_BACKUP_FILES -------------------------------------------------------------
createAllDatabaseBackups
echo
createAllDockerVolumeBackups
# endregion: --- PREPARE_BACKUP_FILES -------------------------------------------------------------