migrate instrumentation sample to otlphttp

samples/instrumentation-quickstart/cloudbuild-integration.yaml

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 steps:
-  - name: golang:1.23
+  - name: golang:1.25
     dir: samples/instrumentation-quickstart/integrationtest
     env:
       - COMPOSE_OVERRIDE_FILE=../docker-compose.cloudbuild.yaml

samples/instrumentation-quickstart/integrationtest/go.mod

@@ -2,7 +2,7 @@ module integrationtest
 
 go 1.24.9
 
-require github.com/GoogleCloudPlatform/opentelemetry-operations-e2e-testing/quickstarttest v0.0.0-20250114143142-e149ed7094ab
+require github.com/GoogleCloudPlatform/opentelemetry-operations-e2e-testing/quickstarttest v0.0.0-20251205205940-e7125b8e8f51
 
 require (
 	dario.cat/mergo v1.0.2 // indirect
@@ -138,7 +138,7 @@ require (
 	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
 	github.com/prometheus/client_golang v1.23.2 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/common v0.67.2 // indirect
+	github.com/prometheus/common v0.67.4 // indirect
 	github.com/prometheus/procfs v0.19.2 // indirect
 	github.com/santhosh-tekuri/jsonschema/v6 v6.0.2 // indirect
 	github.com/secure-systems-lab/go-securesystemslib v0.9.1 // indirect

samples/instrumentation-quickstart/integrationtest/go.sum

@@ -8,8 +8,8 @@ github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/DefangLabs/secret-detector v0.0.0-20250811234530-d4b4214cd679 h1:qNT7R4qrN+5u5ajSbqSW1opHP4LA8lzA+ASyw5MQZjs=
 github.com/DefangLabs/secret-detector v0.0.0-20250811234530-d4b4214cd679/go.mod h1:blbwPQh4DTlCZEfk1BLU4oMIhLda2U+A840Uag9DsZw=
-github.com/GoogleCloudPlatform/opentelemetry-operations-e2e-testing/quickstarttest v0.0.0-20250114143142-e149ed7094ab h1:9OXXzInvP4VS3HDWKffd3VWj4R4AF2GAtk32UZpeQGM=
-github.com/GoogleCloudPlatform/opentelemetry-operations-e2e-testing/quickstarttest v0.0.0-20250114143142-e149ed7094ab/go.mod h1:rO1zHFu/xDhYgOK4xQWzwwrmyegPn7ywl7R90t7zPcE=
+github.com/GoogleCloudPlatform/opentelemetry-operations-e2e-testing/quickstarttest v0.0.0-20251205205940-e7125b8e8f51 h1:k8WdqZWOUfxqQq9A4iqV4JZHPMpNdiAz1YFIXmWG/1A=
+github.com/GoogleCloudPlatform/opentelemetry-operations-e2e-testing/quickstarttest v0.0.0-20251205205940-e7125b8e8f51/go.mod h1:lHSTo/JjBm2O8rk935IZIwtY/WfVgo1Q8QQ1xYkrq6Q=
 github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
 github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
@@ -424,8 +424,8 @@ github.com/prometheus/client_model v0.6.2/go.mod h1:y3m2F6Gdpfy6Ut/GBsUqTWZqCUvM
 github.com/prometheus/common v0.0.0-20180110214958-89604d197083/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
 github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
 github.com/prometheus/common v0.6.0/go.mod h1:eBmuwkDJBwy6iBfxCBob6t6dR6ENT/y+J+Zk0j9GMYc=
-github.com/prometheus/common v0.67.2 h1:PcBAckGFTIHt2+L3I33uNRTlKTplNzFctXcWhPyAEN8=
-github.com/prometheus/common v0.67.2/go.mod h1:63W3KZb1JOKgcjlIr64WW/LvFGAqKPj0atm+knVGEko=
+github.com/prometheus/common v0.67.4 h1:yR3NqWO1/UyO1w2PhUvXlGQs/PtFmoveVO0KZ4+Lvsc=
+github.com/prometheus/common v0.67.4/go.mod h1:gP0fq6YjjNCLssJCQp0yk4M8W6ikLURwkdd/YKtTbyI=
 github.com/prometheus/procfs v0.0.0-20180125133057-cb4147076ac7/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=

samples/instrumentation-quickstart/otel-collector-config.yaml

@@ -91,6 +91,17 @@ exporters:
   # Export metrics to Google Managed service for Prometheus
   googlemanagedprometheus:
     project: ${GOOGLE_CLOUD_PROJECT}
+  otlphttp:
+    encoding: proto
+    endpoint: https://telemetry.googleapis.com
+    # Use the googleclientauth extension to authenticate with Google credentials
+    auth:
+      authenticator: googleclientauth
+
+extensions:
+  googleclientauth:
+    project: ${GOOGLE_CLOUD_PROJECT}
+    quota_project: ${GOOGLE_CLOUD_PROJECT}
 
 processors:
   # Batch telemetry together to more efficiently send to GCP
@@ -109,8 +120,14 @@ processors:
   # If running on GCP (e.g. on GKE), detect resource attributes from the environment.
   resourcedetection:
     detectors: ["env", "gcp"]
+  resource/gcp_project_id:
+    attributes:
+    - key: gcp.project_id
+      value: ${GOOGLE_CLOUD_PROJECT}
+      action: insert
 
 service:
+  extensions: [googleclientauth]
   telemetry:
     metrics:
       readers:
@@ -122,8 +139,8 @@ service:
   pipelines:
     traces:
       receivers: ["otlp"]
-      processors: ["batch", "resourcedetection"]
-      exporters: ["googlecloud"]
+      processors: ["batch", "resourcedetection", "resource/gcp_project_id"]
+      exporters: ["otlphttp"]
     metrics:
       receivers: ["otlp"]
       processors: ["batch", "resourcedetection", "resource"]