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124 lines
4.3 KiB
Bash
Executable File
124 lines
4.3 KiB
Bash
Executable File
#!/bin/bash
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# ==============================================================================
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# Jellyfin SQLite Database Repair Script
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#
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# This script automates the process of recovering a corrupted Jellyfin
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# library.db file by dumping its content to an SQL file and re-importing
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# it into a new, clean database.
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#
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# MUST BE RUN AS ROOT OR WITH SUDO.
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# ==============================================================================
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# --- Configuration ---
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JELLYFIN_DATA_DIR="/var/lib/jellyfin/data"
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DB_FILE="library.db"
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DUMP_FILE="library_dump.sql"
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# --- End Configuration ---
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# --- Safety Checks ---
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# Check if running as root
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if [ "$EUID" -ne 0 ]; then
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echo "ERROR: This script must be run as root or with sudo."
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exit 1
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fi
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# Check if sqlite3 is installed
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if ! command -v sqlite3 &> /dev/null; then
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echo "ERROR: sqlite3 is not installed. Please install it first."
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echo "On Debian/Ubuntu: sudo apt-get install sqlite3"
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exit 1
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fi
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# Navigate to the data directory or exit if it doesn't exist
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cd "$JELLYFIN_DATA_DIR" || { echo "ERROR: Could not find Jellyfin data directory at $JELLYFIN_DATA_DIR"; exit 1; }
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echo "--- Jellyfin DB Repair Initialized ---"
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# --- Step 1: Stop Jellyfin and Backup ---
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echo "[1/8] Stopping the Jellyfin service..."
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systemctl stop jellyfin
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echo "Service stopped."
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# Create a timestamped backup
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TIMESTAMP=$(date +%F-%T)
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CORRUPT_DB_BACKUP="library.db.corrupt.$TIMESTAMP"
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echo "[2/8] Backing up corrupted database to $CORRUPT_DB_BACKUP..."
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if [ -f "$DB_FILE" ]; then
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cp "$DB_FILE" "$CORRUPT_DB_BACKUP"
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echo "Backup created."
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else
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echo "ERROR: $DB_FILE not found! Cannot proceed."
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systemctl start jellyfin # Try to start the service again
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exit 1
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fi
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# --- Step 2: Dump the Database ---
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echo "[3/8] Dumping data from the corrupted database to $DUMP_FILE..."
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# We use .dump, which will try to read everything possible.
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# Using 'tee' to avoid permission issues with redirection.
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sqlite3 "$DB_FILE" .dump | tee "$DUMP_FILE" > /dev/null
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echo "Dump complete."
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# --- Step 3: Fix the Dump File if Necessary ---
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echo "[4/8] Checking dump file for errors..."
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# If the dump process encountered an unrecoverable error, it ends with ROLLBACK.
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# We must change it to COMMIT to save the salvaged data.
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if grep -q "ROLLBACK;" "$DUMP_FILE"; then
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echo "-> Found 'ROLLBACK'. Changing to 'COMMIT' to salvage data..."
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sed -i '$ s/ROLLBACK; -- due to errors/COMMIT;/' "$DUMP_FILE"
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echo "-> Dump file patched."
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else
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echo "-> No 'ROLLBACK' found. Dump file appears clean."
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fi
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# --- Step 4: Restore from Dump ---
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echo "[5/8] Moving old corrupted database aside..."
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mv "$DB_FILE" "${DB_FILE}.repaired-from"
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echo "[6/8] Importing data into a new, clean database. This may take a moment..."
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sqlite3 "$DB_FILE" < "$DUMP_FILE"
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# --- Step 5: Verification and Cleanup ---
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# Check if the new database file was created and is not empty
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if [ ! -s "$DB_FILE" ]; then
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echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
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echo "!! CRITICAL ERROR: The new database is empty! !!"
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echo "!! The repair has FAILED. Restoring old DB. !!"
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echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
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mv "${DB_FILE}.repaired-from" "$DB_FILE" # Restore the moved file
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systemctl start jellyfin
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exit 1
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fi
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echo "-> New database created successfully."
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# Run integrity check
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echo "[7/8] Verifying integrity of the new database..."
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INTEGRITY_CHECK=$(sqlite3 "$DB_FILE" "PRAGMA integrity_check;")
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if [ "$INTEGRITY_CHECK" == "ok" ]; then
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echo "-> SUCCESS! Integrity check passed."
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else
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echo "-> WARNING: Integrity check on new DB reported: $INTEGRITY_CHECK"
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echo "-> The database may still have issues, but is likely usable."
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fi
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# --- Step 6: Finalize ---
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echo "[8/8] Setting correct file permissions and restarting Jellyfin..."
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chown jellyfin:jellyfin "$DB_FILE"
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chmod 664 "$DB_FILE"
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systemctl start jellyfin
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echo "-> Jellyfin service started."
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echo ""
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echo "--- Repair Process Complete ---"
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echo "Your Jellyfin database has been repaired and the service restarted."
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echo "Please check your Jellyfin web interface to ensure everything is working."
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echo "Backup files ($CORRUPT_DB_BACKUP, ${DB_FILE}.repaired-from, $DUMP_FILE) have been kept in $JELLYFIN_DATA_DIR for safety."
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echo ""
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echo "IMPORTANT: Repeated corruption is a sign of a failing disk. Please check your disk health." |