138 lines
4.2 KiB
Bash
138 lines
4.2 KiB
Bash
#!/bin/bash
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set -e # Exit on error
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trap 'echo "ERROR: An error occurred while executing $COMMAND for $ENV_NAME. Exiting."' ERR
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# Validate arguments
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if [ $# -lt 2 ]; then
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echo "Usage: $0 <ENV_NAME> {backup|backup_wp_core|backup_uploads|backup_database|check_backup_repo|rotate_snapshots|create_snapshot|update_restic}"
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exit 1
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fi
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# Extract ENV_NAME and COMMAND
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ENV_NAME="$1"
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COMMAND="$2"
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# Set dynamic configurations based on ENV_NAME
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LOG_FILE="/var/log/${ENV_NAME}_backup_script.log"
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BACKUP_REPO_PATH="/mnt/backups/${ENV_NAME}"
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PASSWORD_FILE="/etc/restic-password"
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# Validate ENV_NAME
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if [ -z "$ENV_NAME" ]; then
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echo "Error: ENV_NAME is not provided or empty."
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exit 1
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fi
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# Ensure dynamic paths exist
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mkdir -p "$BACKUP_REPO_PATH"
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# Set environment variables
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if [ ! -f "$PASSWORD_FILE" ]; then
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echo "Error: Password file not found at $PASSWORD_FILE."
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exit 1
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fi
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export RESTIC_REPOSITORY="$BACKUP_REPO_PATH"
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export RESTIC_PASSWORD=$(cat "$PASSWORD_FILE")
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# Logging function
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log_message() {
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echo "[$(date +'%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
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}
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# Ensure Restic is installed
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install_restic() {
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if ! which restic &>/dev/null; then
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log_message "Restic not found. Installing..."
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if which dnf &>/dev/null; then
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dnf install -y epel-release && dnf install -y restic
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elif which yum &>/dev/null; then
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yum install -y restic
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else
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log_message "ERROR: Unsupported package manager."
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exit 1
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fi
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fi
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log_message "Restic is installed."
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}
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# Initialize or validate repository
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check_backup_repo() {
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if ! restic -r "$BACKUP_REPO_PATH" snapshots &>/dev/null; then
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log_message "Initializing new Restic repository..."
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restic -r "$BACKUP_REPO_PATH" init
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else
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log_message "Restic repository validated."
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fi
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}
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# Perform backup operations
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perform_backup() {
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local path="$1"
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local tag="$2"
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local exclude="$3"
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log_message "Backing up $path with tag $tag..."
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restic -r "$BACKUP_REPO_PATH" backup "$path" --tag "$tag" $exclude
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log_message "Backup for $path completed."
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}
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# Backup database
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backup_database() {
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log_message "Starting database backup for $ENV_NAME..."
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local db_dump
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db_dump=$(mktemp)
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mysqldump -h "$DB_HOST" -u "$DB_USER" -p"$DB_PASSWORD" "$DB_NAME" > "$db_dump"
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perform_backup "$db_dump" "database-backup"
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rm -f "$db_dump"
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log_message "Database backup completed."
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}
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# Handle commands
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case "$COMMAND" in
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backup)
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log_message "Starting full backup for environment: $ENV_NAME"
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install_restic
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check_backup_repo
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perform_backup "/var/www/webroot/ROOT/wp-content" "wp-core" "--exclude /var/www/webroot/ROOT/wp-content/uploads"
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perform_backup "/var/www/webroot/ROOT/wp-content/uploads" "wp-uploads"
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backup_database
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;;
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backup_wp_core)
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log_message "Backing up WordPress core files for environment: $ENV_NAME"
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perform_backup "/var/www/webroot/ROOT/wp-content" "wp-core" "--exclude /var/www/webroot/ROOT/wp-content/uploads"
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;;
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backup_uploads)
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log_message "Backing up WordPress uploads for environment: $ENV_NAME"
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perform_backup "/var/www/webroot/ROOT/wp-content/uploads" "wp-uploads"
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;;
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backup_database)
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backup_database
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;;
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check_backup_repo)
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log_message "Checking backup repository for environment: $ENV_NAME"
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check_backup_repo
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;;
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rotate_snapshots)
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log_message "Rotating snapshots for environment: $ENV_NAME"
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restic -r "$BACKUP_REPO_PATH" forget --keep-last 5 --prune
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log_message "Snapshot rotation completed."
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;;
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create_snapshot)
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log_message "Creating snapshot for environment: $ENV_NAME"
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restic -r "$BACKUP_REPO_PATH" backup --tag "manual-snapshot"
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log_message "Snapshot creation completed."
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;;
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update_restic)
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log_message "Updating Restic for environment: $ENV_NAME"
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restic self-update
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;;
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*)
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echo "Invalid command: $COMMAND"
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echo "Usage: $0 <ENV_NAME> {backup|backup_wp_core|backup_uploads|backup_database|check_backup_repo|rotate_snapshots|create_snapshot|update_restic}"
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exit 1
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;;
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esac
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