Add Reinforcement Learning integration

Author: courageJ

dashboards/reinforcement-learning/metadata.yaml

@@ -5,3 +5,6 @@ sample_dashboards:
     display_name: "Reinforcement Learning Workload Performance Dashboard"
     description: |-
       This dashboard provides metrics for generic Reinforcement Learning training workloads, including loop duration, reward, loss, and throughput.
+    related_integrations:
+      - id: rl
+        platform: GKE

integrations/rl/documentation.yaml

@@ -0,0 +1,11 @@
+exporter_type: included
+app_name_short: RL
+app_name: Reinforcement Learning
+app_site_name: Reinforcement Learning
+app_site_url: https://opentelemetry.io/docs/specs/semconv/
+exporter_name: the OpenTelemetry SDK
+exporter_repo_url: https://opentelemetry.io/docs/specs/semconv/
+dashboard_available: true
+multiple_dashboards: false
+dashboard_display_name: Reinforcement Learning Workload Performance Dashboard
+sample_promql_query: up{job="rl"}

integrations/rl/metadata.yaml

@@ -0,0 +1,5 @@
+id: rl
+short_name: Reinforcement Learning
+display_name: Reinforcement Learning
+description: |
+  This integration collects metrics for Reinforcement Learning (RL) training workloads using OpenTelemetry (OTLP) with semantic conventions.

integrations/rl/prometheus_metadata.yaml

@@ -0,0 +1,27 @@
+platforms:
+  - type: GKE
+    launch_stage: GA
+    version: 1
+    detections:
+      - characteristic_metric:
+          metric_type: prometheus.googleapis.com/rl.loop.duration/histogram
+    exporter_metadata:
+      name: OpenTelemetry
+      doc_url: https://opentelemetry.io/docs/specs/semconv/
+    default_metrics:
+      - name: prometheus.googleapis.com/rl.loop.duration/histogram
+        prometheus_name: rl.loop.duration
+        kind: CUMULATIVE
+        value_type: DISTRIBUTION
+      - name: prometheus.googleapis.com/rl.environment.reward.mean/gauge
+        prometheus_name: rl.environment.reward.mean
+        kind: GAUGE
+        value_type: DOUBLE
+      - name: prometheus.googleapis.com/rl.train.loss/gauge
+        prometheus_name: rl.train.loss
+        kind: GAUGE
+        value_type: DOUBLE
+      - name: prometheus.googleapis.com/rl.train.mfu/histogram
+        prometheus_name: rl.train.mfu
+        kind: CUMULATIVE
+        value_type: DISTRIBUTION