feat(otel-ecs-ec2): Add support for tail_sampling

otel-ecs-ec2/CHANGELOG.md

@@ -2,6 +2,11 @@
 
 ## ecs-ec2-integration
 
+### 0.0.4 / 2025-11-03
+
+* [FEATURE] Add support for tail sampling with gateway deployment via `opentelemetry-gateway` configuration.
+* [FEATURE] Add load balancing configuration for trace routing to gateway (`presets.loadBalancing`).
+
 ### 0.0.3 / 2025-09-09
 
 * [CHANGE] Bump Coralogix OTEL collector image to `coralogixrepo/coralogix-otel-collector:v0.5.1` (aligned in Helm values, example manifest, and Terraform `image_version` default).

otel-ecs-ec2/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: ecs-ec2-integration
 description: ECS-EC2 OpenTelemetry Integration
-version: 0.0.3
+version: 0.0.4
 keywords:
   - OpenTelemetry Collector
   - OpenTelemetry Agent
@@ -11,9 +11,14 @@ keywords:
 dependencies:
   - name: opentelemetry-collector
     alias: opentelemetry-agent
-    version: "0.119.8"
+    version: "0.120.5"
     repository: https://cgx.jfrog.io/artifactory/coralogix-charts-virtual
     condition: opentelemetry-agent.enabled
+  - name: opentelemetry-collector
+    alias: opentelemetry-gateway
+    version: "0.120.5"
+    repository: https://cgx.jfrog.io/artifactory/coralogix-charts-virtual
+    condition: opentelemetry-gateway.enabled
 sources:
   - https://github.com/coralogix/opentelemetry-helm-charts/tree/main/charts/opentelemetry-collector
 maintainers:

otel-ecs-ec2/values.yaml

@@ -5,7 +5,7 @@ global:
   defaultSubsystemName: "integration"
   logLevel: "info"
   collectionInterval: "30s"
-  version: "0.0.2"
+  version: "0.0.4"
   deploymentEnvironmentName: ""
 
 opentelemetry-agent:
@@ -14,7 +14,7 @@ opentelemetry-agent:
   mode: daemonset
   image:
     repository: coralogixrepo/coralogix-otel-collector
-    tag: v0.5.1
+    tag: v0.5.2
   # Extra config for the collector
   # This is used to add extra receivers, processors, exporters, and connectors
   # to the "logs", "metrics", and "traces" pipelines and other pipelines managed by the chart.
@@ -287,6 +287,8 @@ opentelemetry-agent:
     coralogixExporter:
       enabled: true
       privateKey: ${env:CORALOGIX_PRIVATE_KEY}
+    # pipelines: ["metrics", "logs"] # uncomment this to use the loadbalancing exporter for traces
+
     # Configures resource detection processors to add system and environment information.
     # Also configures volumes and volume mounts for the collector.
     resourceDetection:
@@ -295,6 +297,22 @@ opentelemetry-agent:
     # Applies semantic convention transformations.
     semconv:
       enabled: true
+
+    # Load balancing configuration for tail sampling
+
+    loadBalancing:
+      enabled: false
+      routingKey: "traceID"
+      hostname: "coralogix-opentelemetry-gateway"
+      awsCloudMap:
+        enabled: false
+        namespace: "cx-otel"
+        serviceName: "grpc-gateway"
+        interval: "10s"
+        port: 4317
+      dnsResolverInterval: "10s"
+      dnsResolverTimeout: "5s"
+
   config:
     # extensions:
     #   zpages:
@@ -328,4 +346,90 @@ opentelemetry-agent:
           exporters: []
           processors:
             - memory_limiter
+          # receivers: []
+
+# Gateway configuration for tail sampling
+
+opentelemetry-gateway:
+  enabled: false
+  distribution: "ecs"
+  mode: deployment
+  fullnameOverride: coralogix-opentelemetry-gateway
+  replicaCount: 1
+
+  extraEnvs:
+    - name: CORALOGIX_PRIVATE_KEY
+      value: ${env:CORALOGIX_PRIVATE_KEY}
+
+  presets:
+    fleetManagement:
+      enabled: true
+      agentType: "gateway"
+      clusterName: "{{.Values.global.clusterName}}"
+    metadata:
+      enabled: true
+      clusterName: "{{.Values.global.clusterName}}"
+      integrationName: "coralogix-integration-ecs-ec2-gateway"
+
+    # Configures the collector to collect its own metrics using Prometheus receiver
+    collectorMetrics:
+      enabled: true
+      scrapeInterval: "{{.Values.global.collectionInterval}}"
+
+    # Configures resource detection processors to add system and environment information
+    resourceDetection:
+      enabled: true
+      pipeline: "metrics"
+
+    # Configures the collector to expose zPages for debugging
+    zpages:
+      enabled: true
+
+    # Configures the collector to expose pprof for profiling
+    pprof:
+      enabled: true
+
+    # Configuration for the batch processor
+    batch:
+      enabled: true
+
+    # Configures the collector to export data to Coralogix
+    coralogixExporter:
+      enabled: true
+      privateKey: ${env:CORALOGIX_PRIVATE_KEY}
+
+    # Configures the collector to receive OTLP data
+    otlpReceiver:
+      enabled: true
+
+  config:
+    processors:
+      tail_sampling:
+        policies:
+          [
+            {
+              name: errors-policy,
+              type: status_code,
+              status_code: {status_codes: [ERROR]}
+            },
+            {
+              name: randomized-policy,
+              type: probabilistic,
+              probabilistic: {sampling_percentage: 10}
+            },
+          ]
+    service:
+      telemetry:
+        logs:
+          level: "{{ .Values.global.logLevel }}"
+      pipelines:
+        metrics:
+          exporters: []
+          processors:
+            - memory_limiter
+        traces:
+          exporters: []
+          processors:
+            - memory_limiter
+            - tail_sampling
           # receivers: []