add language detection apm config

Author: adel121

charts/datadog/templates/_container-agent.yaml

@@ -184,6 +184,11 @@
       value: /host
     {{- end }}
     {{- end }}
+
+    {{- if and .Values.datadog.apm.instrumentation.enabled .Values.datadog.apm.instrumentation.language_detection.enabled }}
+    - name: DD_LANGUAGE_DETECTION_ENABLED
+      value: "true"
+    {{- end }}
     {{- include "additional-env-entries" .Values.agents.containers.agent.env | indent 4 }}
     {{- include "additional-env-dict-entries" .Values.agents.containers.agent.envDict | indent 4 }}
   volumeMounts:

charts/datadog/templates/_container-process-agent.yaml

@@ -52,6 +52,14 @@
     {{- end }}
     - name: DD_ORCHESTRATOR_EXPLORER_ENABLED
       value: {{ (include "should-enable-k8s-resource-monitoring" .) | quote }}
+    {{- if and .Values.datadog.apm.instrumentation.enabled .Values.datadog.apm.instrumentation.language_detection.enabled }}
+    - name: DD_PROCESS_CONFIG_LANGUAGE_DETECTION_ENABLED
+      value: "true"
+    - name: DD_LANGUAGE_DETECTION_ENABLED
+      value: "true"
+    - name: DD_PROCESS_CONFIG_PROCESS_COLLECTION_ENABLED
+      value: "true"
+    {{- end }}
     {{- include "additional-env-entries" .Values.agents.containers.processAgent.env | indent 4 }}
     {{- include "additional-env-dict-entries" .Values.agents.containers.processAgent.envDict | indent 4 }}
   volumeMounts:

charts/datadog/templates/cluster-agent-deployment.yaml

@@ -241,6 +241,10 @@ spec:
           - name: DD_APM_INSTRUMENTATION_ENABLED
             value: "true"
           {{- end }}
+          {{- if and .Values.datadog.apm.instrumentation.enabled .Values.datadog.apm.instrumentation.language_detection.enabled }}
+          - name: DD_LANGUAGE_DETECTION_ENABLED
+            value: "true"
+          {{- end }}
           {{- if ne (include "apmInstrumentation.enabledNamespaces" .) "" }}
           - name: DD_APM_INSTRUMENTATION_ENABLED_NAMESPACES
             value: {{ include "apmInstrumentation.enabledNamespaces" . }}

charts/datadog/templates/cluster-agent-rbac.yaml

@@ -155,7 +155,7 @@ rules:
   - list
   - get
   - watch
-{{- if eq (include "clusterAgent-remoteConfiguration-enabled" .) "true" }}
+{{- if or (eq (include "clusterAgent-remoteConfiguration-enabled" .) "true") (and .Values.datadog.apm.instrumentation.enabled .Values.datadog.apm.instrumentation.language_detection.enabled) }}
   - patch
 {{- end }}
 - apiGroups:

charts/datadog/values.yaml

@@ -479,6 +479,12 @@ datadog:
 
       # datadog.apm.instrumentation.libVersions -- Inject specific version of tracing libraries with Single Step Instrumentation (beta).
       libVersions: {}
+
+      # datadog.apm.instrumentation.language_detection -- Run language detection to automatically detect languages of user workloads (beta).
+      language_detection:
+        # This currently only detects languages and adds them as annotations on deployments, but doesn't use these languages for injecting libraries to applicative pods.
+        enabled: true
+
   ## OTLP ingest related configuration
   otlp:
     receiver: