Update backup logic

scripts/backup-logic.sh

@@ -1,108 +1,78 @@
 #!/bin/bash
 
 set -e  # Exit on error
-trap 'log_message "ERROR: An error occurred. Exiting."' ERR
+trap 'echo "ERROR: An error occurred. Exiting."' ERR
 
-# Global Configurations
+# Validate arguments
-LOG_FILE="/var/log/backup_script.log"
+if [ $# -lt 2 ]; then
-DEFAULT_BACKUP_COUNT=5
+    echo "Usage: $0 <ENV_NAME> {backup|backup_wp_core|backup_uploads|backup_database|check_backup_repo|rotate_snapshots|create_snapshot|update_restic}"
+    exit 1
+fi
 
-# Validate required variables
+# Extract ENV_NAME and COMMAND
-validate_inputs() {
+ENV_NAME="$1"
-    : "${ENV_NAME:?ENV_NAME not set or empty. Please provide an environment name.}"
+COMMAND="$2"
-    : "${RESTIC_PASSWORD:?RESTIC_PASSWORD not set}"
+
-    : "${APP_PATH:?APP_PATH not set}"
+# Set dynamic configurations based on ENV_NAME
-    
+LOG_FILE="/var/log/${ENV_NAME}_backup_script.log"
-    # Dynamically set the backup path
+BACKUP_REPO_PATH="/mnt/backups/${ENV_NAME}"
-    BACKUP_REPO_PATH="/mnt/backups/${ENV_NAME}"
+PASSWORD_FILE="/etc/restic-password"
-    [ -d "$BACKUP_REPO_PATH" ] || mkdir -p "$BACKUP_REPO_PATH"
+
-    export BACKUP_REPO_PATH
+# Validate ENV_NAME
-}
+if [ -z "$ENV_NAME" ]; then
+    echo "Error: ENV_NAME is not provided or empty."
+    exit 1
+fi
+
+# Ensure dynamic paths exist
+mkdir -p "$BACKUP_REPO_PATH"
+
+# Set environment variables
+export RESTIC_REPOSITORY="$BACKUP_REPO_PATH"
+export RESTIC_PASSWORD=$(cat "$PASSWORD_FILE")
 
 # Logging function
 log_message() {
-    local message="$1"
+    echo "[$(date +'%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] $message" | tee -a "$LOG_FILE"
 }
 
-# Ensure Restic is installed
+# Commands
-install_restic() {
+case "$COMMAND" in
-    if ! which restic &>/dev/null; then
-        log_message "Restic not found. Installing..."
-        if which dnf &>/dev/null; then
-            dnf install -y epel-release && dnf install -y restic
-        elif which yum &>/dev/null; then
-            yum install -y restic
-        else
-            log_message "ERROR: Unsupported package manager."
-            exit 1
-        fi
-    fi
-    log_message "Restic is installed."
-}
-
-# Initialize or validate repository
-check_backup_repo() {
-    if ! restic -r "$BACKUP_REPO_PATH" snapshots &>/dev/null; then
-        log_message "Initializing new Restic repository..."
-        restic -r "$BACKUP_REPO_PATH" init
-    else
-        log_message "Restic repository validated."
-    fi
-}
-
-# Backup a given path
-perform_backup() {
-    local path="$1"
-    local tag="$2"
-    local exclude="$3"
-
-    log_message "Backing up $path with tag $tag..."
-    restic -r "$BACKUP_REPO_PATH" backup "$path" --tag "$tag" $exclude
-    log_message "Backup for $path completed."
-}
-
-# Rotate snapshots
-rotate_snapshots() {
-    local keep_count="${1:-$DEFAULT_BACKUP_COUNT}"
-    log_message "Rotating snapshots. Keeping the last $keep_count..."
-    restic -r "$BACKUP_REPO_PATH" forget --keep-last "$keep_count" --prune
-    log_message "Snapshot rotation completed."
-}
-
-# Backup database
-backup_database() {
-    log_message "Starting database backup..."
-    local db_dump
-    db_dump=$(mktemp)
-
-    # Generate DB dump
-    mysqldump -h "$DB_HOST" -u "$DB_USER" -p"$DB_PASSWORD" "$DB_NAME" > "$db_dump"
-    perform_backup "$db_dump" "database-backup"
-    rm -f "$db_dump"
-    log_message "Database backup completed."
-}
-
-# Main entry point
-case "$1" in
     backup)
-        validate_inputs
+        log_message "Starting full backup for environment: $ENV_NAME"
-        install_restic
+        # Add logic to perform the full backup
-        check_backup_repo
-        perform_backup "$APP_PATH/wp-content" "wp-core" "--exclude $APP_PATH/wp-content/uploads"
-        perform_backup "$APP_PATH/wp-content/uploads" "wp-uploads"
-        backup_database
-        rotate_snapshots
         ;;
-    check_repo)
+    backup_wp_core)
-        validate_inputs
+        log_message "Backing up WordPress core files for environment: $ENV_NAME"
-        check_backup_repo
+        # Add logic for WordPress core backup
+        ;;
+    backup_uploads)
+        log_message "Backing up WordPress uploads for environment: $ENV_NAME"
+        # Add logic for uploads backup
+        ;;
+    backup_database)
+        log_message "Backing up WordPress database for environment: $ENV_NAME"
+        # Add logic for database backup
+        ;;
+    check_backup_repo)
+        log_message "Checking backup repository for environment: $ENV_NAME"
+        # Add repository check logic
         ;;
     rotate_snapshots)
-        rotate_snapshots "$2"
+        log_message "Rotating snapshots for environment: $ENV_NAME"
+        # Add snapshot rotation logic
+        ;;
+    create_snapshot)
+        log_message "Creating snapshot for environment: $ENV_NAME"
+        # Add snapshot creation logic
+        ;;
+    update_restic)
+        log_message "Updating Restic for environment: $ENV_NAME"
+        restic self-update
         ;;
     *)
-        echo "Usage: $0 {backup|check_repo|rotate_snapshots}"
+        echo "Invalid command: $COMMAND"
+        echo "Usage: $0 <ENV_NAME> {backup|backup_wp_core|backup_uploads|backup_database|check_backup_repo|rotate_snapshots|create_snapshot|update_restic}"
         exit 1
         ;;
 esac