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pgm_bckp/backup.sh

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+#!/bin/bash
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/config.sh"
+
+# Check if required commands are available
+missing=0
+
+command -v mysqldump >/dev/null 2>&1 || { echo "❌ mysqldump not found. Install it with: sudo apt install mariadb-client or sudo apt install mysql-client"; missing=1; }
+command -v pg_dump >/dev/null 2>&1 || { echo "❌ pg_dump not found. Install it with: sudo apt install postgresql-client"; missing=1; }
+
+if [ "$missing" -eq 1 ]; then
+    echo "❌ Aborting: Required tools are missing."
+    exit 1
+fi
+
+
+mkdir -p "$backup_dir"
+
+for db_id in "${database_ids[@]}"; do
+    IFS='|' read -r db_type db_name db_host db_port db_user db_pass <<< "${!db_id}"
+    timestamp=$(date +%Y%m%d%H%M%S)
+    backup_file="$backup_dir/$db_name-$timestamp.sql"
+
+    case "$db_type" in
+        mysql)
+            mysqldump --user="$db_user" --password="$db_pass" --host="$db_host" --port="$db_port" --databases "$db_name" > "$backup_file"
+            ;;
+        postgres)
+            export PGPASSWORD="$db_pass"
+            pg_dump --username="$db_user" --host="$db_host" --port="$db_port" --format=plain --file="$backup_file" "$db_name"
+            ;;
+        *)
+            echo "❌ Unsupported database type: $db_type for $db_name"
+            continue
+            ;;
+    esac
+
+    if [ $? -eq 0 ]; then
+        echo "✅ Backup of $db_type database '$db_name' completed: $backup_file"
+    else
+        echo "❌ Error during backup of $db_type database '$db_name'"
+        rm -f "$backup_file"
+    fi
+
+    # Cleanup
+    find "$backup_dir" -type f -name "$db_name-*.sql" -mtime +$backup_retention_days -exec rm -f {} \;
+done