43 lines
1.1 KiB
Bash
43 lines
1.1 KiB
Bash
#!/bin/bash
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# BACKUP SCRIPT
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# The backup script is OPTIONAL.
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# It is used to backup the service on the server.
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# It is called with one argument: the path to the destination backup file.
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# If the backup file already exists, the script should exit with a message.
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source "$(dirname "$0")/_common.sh"
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check_required_env_vars "CONTAINER_NAME" "VOLUME_NAME"
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# HOT backup is fine for simple-object-storage
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# Get backup file path from first argument
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BACKUP_FILE="$1"
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if [ -z "$BACKUP_FILE" ]; then
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die "Backup file path not provided"
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fi
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TEMP_DIR=$2
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if [ -z "$TEMP_DIR" ]; then
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die "Temporary directory not provided"
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fi
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# Check if backup file already exists
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if [ -f "$BACKUP_FILE" ]; then
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die "Backup file $BACKUP_FILE already exists"
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fi
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# Create backup of data folder
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echo "Creating backup of $VOLUME_NAME..."
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docker run --rm -v ${VOLUME_NAME}:/data -v ${TEMP_DIR}:/tempdir alpine sh -c "\
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tar zcvf /tempdir/backup.tar.gz -C /data ."
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cp ${TEMP_DIR}/backup.tar.gz $BACKUP_FILE
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# dropshell cleans up temp dir after script finishes
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echo "Backup created successfully: $BACKUP_FILE"
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