116 lines
5.4 KiB
Bash
116 lines
5.4 KiB
Bash
#!/bin/bash
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# ==============================================================================
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# Script: gitea_backup.sh
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# Description: Backs up Gitea (repositories, database, configuration, avatars,
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# LFS files, and attachments) to timestamped directories on a mounted
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# drive using Gitea's native `gitea dump` command via Docker exec.
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# Compatible with non-POSIX filesystems (exFAT, NTFS, FAT32) and
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# automatically prunes backups older than RETENTION_DAYS.
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# Usage: sudo ./gitea_backup.sh
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# Notes: Must be run with root/sudo privileges.
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# ==============================================================================
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# ==============================================================================
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# Define Variables for Source, Destination, and Retention
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# ==============================================================================
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BACKUP_MOUNT_POINT="/mnt/5TB-Disk1"
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GITEA_DATA_DIR="/srv/docker/gitea/data"
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GITEA_DESTINATION="$BACKUP_MOUNT_POINT/backup/services/gitea"
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CONTAINER_NAME="gitea"
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RETENTION_DAYS=10
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# Timestamp and Folder Setup
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TIMESTAMP=$(date +"%Y-%m-%d_%H%M%S")
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CURRENT_BACKUP_DIR="$GITEA_DESTINATION/backup_$TIMESTAMP"
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LATEST_TXT_FILE="$GITEA_DESTINATION/latest.txt"
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# ntfy Notification Configuration
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NTFY_TOPIC="Server"
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NTFY_SERVER="https://ntfy.speerfam.net"
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NTFY_TOKEN="tk_3xo9mejjtgemyowzckqw2souo3mux"
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# ==============================================================================
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# Pre-flight Checks
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# ==============================================================================
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# Check if the mount point directory exists and is a mounted filesystem.
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if ! mountpoint -q "$BACKUP_MOUNT_POINT"; then
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echo "Error: '$BACKUP_MOUNT_POINT' is not a mount point. Please ensure the drive is mounted." >&2
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curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: Script failed. Destination '$BACKUP_MOUNT_POINT' is not mounted." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1
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exit 1
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fi
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# Check if the Gitea data directory exists on the host.
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if [ ! -d "$GITEA_DATA_DIR" ]; then
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echo "Error: Gitea data directory '$GITEA_DATA_DIR' not found." >&2
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curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: Script failed. Gitea data directory '$GITEA_DATA_DIR' not found." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1
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exit 1
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fi
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# Check if the Docker container is running.
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if ! docker ps --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
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echo "Error: Docker container '$CONTAINER_NAME' is not running." >&2
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curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: Script failed. Docker container '$CONTAINER_NAME' is not running." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1
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exit 1
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fi
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# Create target directory for current run
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mkdir -p "$CURRENT_BACKUP_DIR"
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# ==============================================================================
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# Gitea Backup Execution
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# ==============================================================================
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echo "Starting Gitea backup ($TIMESTAMP)..."
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# Step 1: Trigger in-container gitea dump using official documentation command structure
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echo "Executing 'gitea dump' inside container '$CONTAINER_NAME'..."
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docker exec -u git -w /tmp "$CONTAINER_NAME" bash -c '/usr/local/bin/gitea dump -c /data/gitea/conf/app.ini -f /data/gitea-dump.zip'
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DUMP_STATUS=$?
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if [ $DUMP_STATUS -ne 0 ]; then
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echo "Error: 'gitea dump' command failed with exit code $DUMP_STATUS." >&2
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curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: Gitea internal dump command failed." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1
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rm -rf "$CURRENT_BACKUP_DIR"
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exit 1
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fi
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# Step 2: Verify dump file exists on host data volume
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GITEA_DUMP_FILE="$GITEA_DATA_DIR/gitea-dump.zip"
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if [ ! -f "$GITEA_DUMP_FILE" ]; then
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echo "Error: Could not locate generated 'gitea-dump.zip' in '$GITEA_DATA_DIR'." >&2
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curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: Gitea backup zip file missing after exec." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1
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rm -rf "$CURRENT_BACKUP_DIR"
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exit 1
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fi
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# Step 3: Rsync dump archive to destination directory
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echo "Rsyncing Gitea dump archive to '$CURRENT_BACKUP_DIR/gitea-dump.zip'..."
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rsync -av --no-owner --no-group "$GITEA_DUMP_FILE" "$CURRENT_BACKUP_DIR/gitea-dump.zip"
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RSYNC_STATUS=$?
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# Cleanup temporary dump file from host source data directory
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rm -f "$GITEA_DUMP_FILE"
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if [ $RSYNC_STATUS -ne 0 ]; then
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echo "Error: rsync failed to copy Gitea dump archive file." >&2
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curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: rsync failed during Gitea backup transfer." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1
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exit 1
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fi
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# Step 4: Record current backup path to latest.txt
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echo "$CURRENT_BACKUP_DIR" > "$LATEST_TXT_FILE"
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# ==============================================================================
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# Retention Cleanup (Prune Backups Older than RETENTION_DAYS)
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# ==============================================================================
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echo "Checking for backups older than $RETENTION_DAYS days..."
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find "$GITEA_DESTINATION" -maxdepth 1 -type d -name "backup_*" -mtime +$RETENTION_DAYS -exec rm -rf {} +
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# ==============================================================================
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# Completion and Notification
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# ==============================================================================
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echo "Success: Gitea backup completed at '$CURRENT_BACKUP_DIR'."
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curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Success: Gitea backup completed ($TIMESTAMP). Retaining $RETENTION_DAYS days." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 |