demo seed change

services/demo_session/app/monitoring/metrics.py

@@ -0,0 +1,85 @@
+"""
+Prometheus metrics for demo session service
+"""
+
+from prometheus_client import Counter, Histogram, Gauge
+
+# Counters
+demo_sessions_created_total = Counter(
+    'demo_sessions_created_total',
+    'Total number of demo sessions created',
+    ['tier', 'status']
+)
+
+demo_sessions_deleted_total = Counter(
+    'demo_sessions_deleted_total',
+    'Total number of demo sessions deleted',
+    ['tier', 'status']
+)
+
+demo_cloning_errors_total = Counter(
+    'demo_cloning_errors_total',
+    'Total number of cloning errors',
+    ['tier', 'service', 'error_type']
+)
+
+# Histograms (for latency percentiles)
+demo_session_creation_duration_seconds = Histogram(
+    'demo_session_creation_duration_seconds',
+    'Duration of demo session creation',
+    ['tier'],
+    buckets=[1, 2, 5, 7, 10, 12, 15, 18, 20, 25, 30, 40, 50, 60]
+)
+
+demo_service_clone_duration_seconds = Histogram(
+    'demo_service_clone_duration_seconds',
+    'Duration of individual service cloning',
+    ['tier', 'service'],
+    buckets=[0.5, 1, 2, 3, 5, 10, 15, 20, 30, 40, 50]
+)
+
+demo_session_cleanup_duration_seconds = Histogram(
+    'demo_session_cleanup_duration_seconds',
+    'Duration of demo session cleanup',
+    ['tier'],
+    buckets=[0.5, 1, 2, 5, 10, 15, 20, 30]
+)
+
+# Gauges
+demo_sessions_active = Gauge(
+    'demo_sessions_active',
+    'Number of currently active demo sessions',
+    ['tier']
+)
+
+demo_sessions_pending_cleanup = Gauge(
+    'demo_sessions_pending_cleanup',
+    'Number of demo sessions pending cleanup'
+)
+
+# Alert generation metrics
+demo_alerts_generated_total = Counter(
+    'demo_alerts_generated_total',
+    'Total number of alerts generated post-clone',
+    ['tier', 'alert_type']
+)
+
+demo_ai_insights_generated_total = Counter(
+    'demo_ai_insights_generated_total',
+    'Total number of AI insights generated post-clone',
+    ['tier', 'insight_type']
+)
+
+# Cross-service metrics
+demo_cross_service_calls_total = Counter(
+    'demo_cross_service_calls_total',
+    'Total number of cross-service API calls during cloning',
+    ['source_service', 'target_service', 'status']
+)
+
+demo_cross_service_call_duration_seconds = Histogram(
+    'demo_cross_service_call_duration_seconds',
+    'Duration of cross-service API calls during cloning',
+    ['source_service', 'target_service'],
+    buckets=[0.1, 0.2, 0.5, 1, 2, 5, 10, 15, 20, 30]
+)