feat: Add repair script for Jellyfin database with backup and integrity check functionality

jellyfin/repair_jellyfin_db.sh

@@ -0,0 +1,97 @@
+#!/bin/bash
+
+set -e
+
+# Configuration
+CONTAINER_NAME="jellyfin"
+DB_PATH_IN_CONTAINER="/config/data"
+DB_FILES=("library.db" "jellyfin.db")
+BACKUP_DIR="/tmp/jellyfin_db_backup_$(date +%Y%m%d_%H%M%S)"
+REPAIR_DIR="/tmp/jellyfin_db_repair"
+
+# --- Functions ---
+
+# Function to print messages
+log() {
+    echo "[$(date +'%Y-%m-%d %H:%M:%S')] $1"
+}
+
+# Function to stop the Jellyfin container
+stop_container() {
+    log "Stopping Jellyfin container..."
+    docker stop "$CONTAINER_NAME"
+}
+
+# Function to start the Jellyfin container
+start_container() {
+    log "Starting Jellyfin container..."
+    docker start "$CONTAINER_NAME"
+}
+
+# Function to create a backup of the database files
+backup_database() {
+    log "Backing up database files to $BACKUP_DIR..."
+    mkdir -p "$BACKUP_DIR"
+    for db_file in "${DB_FILES[@]}"; do
+        docker cp "${CONTAINER_NAME}:${DB_PATH_IN_CONTAINER}/${db_file}" "$BACKUP_DIR/"
+    done
+}
+
+# Function to repair a database file
+repair_database() {
+    local db_file="$1"
+    local db_path_in_repair_dir="${REPAIR_DIR}/${db_file}"
+    local sql_dump_file="${REPAIR_DIR}/${db_file}.sql"
+    local new_db_file="${REPAIR_DIR}/${db_file}.new"
+
+    log "Repairing ${db_file}..."
+
+    # Check for corruption
+    log "Running integrity check on ${db_file}..."
+    if sqlite3 "$db_path_in_repair_dir" "PRAGMA integrity_check;" | grep -q "ok"; then
+        log "${db_file} is not corrupted. Skipping repair."
+        return
+    fi
+
+    log "Dumping ${db_file} to SQL file..."
+    sqlite3 "$db_path_in_repair_dir" .dump > "$sql_dump_file"
+
+    log "Creating new database from SQL dump..."
+    sqlite3 "$new_db_file" < "$sql_dump_file"
+
+    log "Replacing old database with the new one..."
+    mv "$new_db_file" "$db_path_in_repair_dir"
+}
+
+# --- Main Script ---
+
+# Stop the container
+stop_container
+
+# Create repair directory
+mkdir -p "$REPAIR_DIR"
+
+# Copy database files to repair directory
+log "Copying database files to repair directory..."
+for db_file in "${DB_FILES[@]}"; do
+    docker cp "${CONTAINER_NAME}:${DB_PATH_IN_CONTAINER}/${db_file}" "$REPAIR_DIR/"
+done
+
+# Repair each database file
+for db_file in "${DB_FILES[@]}"; do
+    repair_database "$db_file"
+done
+
+# Copy repaired files back to the container
+log "Copying repaired files back to the container..."
+for db_file in "${DB_FILES[@]}"; do
+    docker cp "${REPAIR_DIR}/${db_file}" "${CONTAINER_NAME}:${DB_PATH_IN_CONTAINER}/${db_file}"
+done
+
+# Clean up repair directory
+rm -rf "$REPAIR_DIR"
+
+# Start the container
+start_container
+
+log "Database repair process completed."