Imporve monitoring 4

infrastructure/kubernetes/base/configs/postgres-init-config.yaml

@@ -8,6 +8,26 @@ metadata:
     app.kubernetes.io/part-of: bakery-ia
 data:
   init.sql: |
+    -- Create required extensions
     CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
     CREATE EXTENSION IF NOT EXISTS "pg_stat_statements";
-    CREATE EXTENSION IF NOT EXISTS "pgcrypto";
+    CREATE EXTENSION IF NOT EXISTS "pgcrypto";
+
+    -- Create monitoring user for SigNoz metrics collection
+    -- This user will be created only if it doesn't already exist
+    DO $$
+    BEGIN
+        IF NOT EXISTS (SELECT FROM pg_catalog.pg_user WHERE usename = 'monitoring') THEN
+            CREATE USER monitoring WITH PASSWORD 'monitoring_369f9c001f242b07ef9e2826e17169ca';
+            GRANT pg_monitor TO monitoring;
+            GRANT SELECT ON pg_stat_database TO monitoring;
+            RAISE NOTICE 'Created monitoring user for SigNoz metrics collection';
+        ELSE
+            -- User already exists, ensure it has the correct password and permissions
+            ALTER USER monitoring WITH PASSWORD 'monitoring_369f9c001f242b07ef9e2826e17169ca';
+            GRANT pg_monitor TO monitoring;
+            GRANT SELECT ON pg_stat_database TO monitoring;
+            RAISE NOTICE 'Updated monitoring user permissions for SigNoz metrics collection';
+        END IF;
+    END $$
+    ;