Add healthchecks

backup.sh

@@ -115,16 +115,26 @@ cleanup_old_backups() {
     done
 }
 
-# Function to send notification (placeholder for webhook/email integration)
+# Function to send notification to healthchecks.io
 send_notification() {
     local status="$1"
     local message="$2"
     
-    if [[ -n "${WEBHOOK_URL:-}" ]]; then
-        curl -X POST "${WEBHOOK_URL}" \
-            -H "Content-Type: application/json" \
-            -d "{\"status\": \"${status}\", \"message\": \"${message}\", \"timestamp\": \"$(date -Iseconds)\"}" \
-            || log "Failed to send notification"
+    if [[ -n "${HEALTHCHECKS_URL:-}" ]]; then
+        case "$status" in
+            "start")
+                # Ping start endpoint
+                curl -fsS -m 10 --retry 5 "${HEALTHCHECKS_URL}/start" > /dev/null || log "Failed to send start notification"
+                ;;
+            "success")
+                # Ping success endpoint (default)
+                curl -fsS -m 10 --retry 5 "${HEALTHCHECKS_URL}" > /dev/null || log "Failed to send success notification"
+                ;;
+            "error"|"fail")
+                # Ping fail endpoint with log data
+                curl -fsS -m 10 --retry 5 --data-raw "$message" "${HEALTHCHECKS_URL}/fail" > /dev/null || log "Failed to send failure notification"
+                ;;
+        esac
     fi
 }
 
@@ -132,9 +142,13 @@ send_notification() {
 main() {
     log "Starting PostgreSQL backup process"
     
+    # Send start notification
+    send_notification "start" "PostgreSQL backup process started"
+    
     # Validate required environment variables
     if [[ -z "${S3_BUCKET}" || -z "${S3_ACCESS_KEY_ID}" || -z "${S3_SECRET_ACCESS_KEY}" || -z "${S3_ENDPOINT}" ]]; then
         log "ERROR: Missing required environment variables (S3_BUCKET, S3_ACCESS_KEY_ID, S3_SECRET_ACCESS_KEY, S3_ENDPOINT)"
+        send_notification "fail" "Missing required environment variables"
         exit 1
     fi
     
@@ -145,7 +159,7 @@ main() {
     log "Testing database connection"
     if ! PGPASSWORD="${POSTGRES_PASSWORD}" psql -h "${POSTGRES_HOST}" -p "${POSTGRES_PORT}" -U "${POSTGRES_USER}" -d postgres -c "SELECT 1" > /dev/null 2>&1; then
         log "ERROR: Cannot connect to PostgreSQL database"
-        send_notification "error" "Cannot connect to PostgreSQL database"
+        send_notification "fail" "Cannot connect to PostgreSQL database"
         exit 1
     fi
     
@@ -169,7 +183,7 @@ main() {
         send_notification "success" "All PostgreSQL database backups completed successfully"
     else
         log "Some database backups failed"
-        send_notification "error" "Some PostgreSQL database backups failed"
+        send_notification "fail" "Some PostgreSQL database backups failed"
         exit 1
     fi
 }