Added otel support

yafernandes · Nov 22, 2022 · 299a550 · 299a550
1 parent b0f7935
commit 299a550
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Showing 2 changed files with 32 additions and 2 deletions.
diff --git a/charts/web-app/Chart.yaml b/charts/web-app/Chart.yaml
@@ -1,4 +1,4 @@
 apiVersion: v2
 name: web-app
-version: 0.0.1
+version: 0.0.2
 description: Deploys a web application instrumented.
diff --git a/charts/web-app/templates/deployment.yaml b/charts/web-app/templates/deployment.yaml
@@ -28,6 +28,14 @@ spec:
           volumeMounts:
             - mountPath: /webapps
               name: webapps
+        {{- if eq .Values.datadog.instrumentation "otel" }}
+        - name: init-copy-otel
+          image: alpine
+          command: ["sh", "-c", "wget -O /otel/opentelemetry-javaagent.jar https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/latest/download/opentelemetry-javaagent.jar"]
+          volumeMounts:
+            - mountPath: /otel
+              name: otel
+        {{- end }}
       containers:
         - name: appserver
           image: {{ .Values.application.appServer.image | quote }}
@@ -36,9 +44,31 @@ spec:
               value: {{ .Values.datadog.appSec | quote }}
             - name: DD_PROFILING_ENABLED
               value: {{ .Values.datadog.profiling | quote }}
+            {{- if eq .Values.datadog.instrumentation "otel" }}
+            - name: JAVA_TOOL_OPTIONS
+              value: "-javaagent:/otel/opentelemetry-javaagent.jar"
+            - name: OTEL_COLLECTOR_HOST
+              valueFrom:
+                fieldRef:
+                  fieldPath: status.hostIP
+            - name: OTEL_EXPORTER_OTLP_ENDPOINT
+              value: http://$(OTEL_COLLECTOR_HOST):4317/
+            - name: OTEL_SERVICE_NAME
+              value: {{ .Values.application.service | default .Release.Name }}
+            - name: OTEL_RESOURCE_ATTRIBUTES
+              value: deployment.environment={{ .Values.application.env }},service.version={{ .Values.application.version }}
+            {{- end }}
           volumeMounts:
             - mountPath: {{ .Values.application.appServer.webappsDir }}
               name: webapps
+            {{- if eq .Values.datadog.instrumentation "otel" }}
+            - mountPath: /otel
+              name: otel
+            {{- end }}
       volumes:
         - name: webapps
-          emptyDir:
+          emptyDir:
+        {{- if eq .Values.datadog.instrumentation "otel" }}
+        - name: otel
+          emptyDir:
+        {{ end }}