Merge pull request #71 from rivToadd/auto-instrumentation-env-variables

feat: Adding instrumentation specific settings and adjust whitespacing

Author: jaronoff97

charts/kube-otel-stack/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: kube-otel-stack
 description: Chart for sending Kubernetes metrics to Lightstep using the OpenTelemetry Operator.
 type: application
-version: 0.4.0
+version: 0.4.1
 appVersion: 0.91.0
 dependencies:
 # cert manager must be manually installed because it has CRDs

charts/kube-otel-stack/templates/autoinstrumentation.yaml

@@ -1,4 +1,4 @@
-{{ if .Values.autoinstrumentation.enabled }}
+{{- if .Values.autoinstrumentation.enabled }}
 apiVersion: opentelemetry.io/v1alpha1
 kind: Instrumentation
 metadata:
@@ -7,17 +7,31 @@ spec:
   exporter:
     endpoint: http://{{ $.Release.Name }}-{{ .Values.autoinstrumentation.collectorTarget }}-collector.{{ $.Release.Namespace }}:4317
   propagators:
-{{ toYaml .Values.autoinstrumentation.propagators | indent 4 }}
-  {{ with .Values.autoinstrumentation.sampler }}
+    {{- toYaml .Values.autoinstrumentation.propagators | nindent 4 }}
+  {{- with .Values.autoinstrumentation.sampler }}
   sampler:
-{{ toYaml . | indent 4 }}
-  {{ end }}
-  {{ with .Values.autoinstrumentation.env }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- with .Values.autoinstrumentation.env }}
   env:
-{{ toYaml . | indent 4 }}
-  {{ end }}
-  {{ with .Values.autoinstrumentation.resource }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- with .Values.autoinstrumentation.resource }}
   resource:
-{{ toYaml . | indent 4 }}
-  {{ end }}
-{{- end }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- range $language, $settings := .Values.autoinstrumentation.languageSettings }}
+  {{ $language }}:
+    {{- with $settings.env }}
+    env:
+      {{- toYaml . | nindent 6 }}
+    {{- end }}
+    {{- if $settings.image }}
+    image: {{ $settings.image | quote }}
+    {{- end }}
+    {{- with $settings.resources }}
+    resources:
+      {{- toYaml . | nindent 6 }}
+    {{- end }}
+  {{- end }}
+{{- end }}

charts/kube-otel-stack/values.yaml

@@ -32,7 +32,16 @@ autoinstrumentation:
     ## The value depends on the sampler type.
     ## For instance for parentbased_traceidratio sampler type it is a number in range [0..1] e.g. 0.25.
     argument: "0.25"
-
+  languageSettings: {}
+  # LanguageSettings defines the language specific settings for auto-instrumentation. Example:
+    # python:
+    #   env:
+    #     - name: OTEL_PYTHON_LOGGING_AUTO_INSTRUMENTATION_ENABLED
+    #       value: "true"
+    #     - name: OTEL_TRACES_EXPORTER
+    #       value: "otlp"
+    #   image: "<custom-image>"
+    #   resources: {}
   ## A list of corev1.EnvVars
   env: []