[Research] OTEL collector

chart/templates/otel-collector/configmap.yaml

@@ -0,0 +1,33 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: otel-collector-config
+data:
+  config.yaml: |-
+    receivers:
+      otlp:
+        protocols:
+          http:
+            endpoint: 0.0.0.0:4318
+
+    processors:
+      # Data sources: traces, metrics, logs
+      memory_limiter:
+        check_interval: 5s
+        limit_mib: 4000
+        spike_limit_mib: 500
+
+    exporters:
+      debug:
+        verbosity: detailed
+      otlp:
+        endpoint: 34.135.42.102:4317
+        tls:
+          insecure: true
+
+    service:
+      pipelines:
+        traces:
+          receivers: [otlp]
+          processors: [memory_limiter]
+          exporters: [debug, otlp]

chart/templates/otel-collector/deployment.yaml

@@ -0,0 +1,59 @@
+apiVersion: {{ include "common.capabilities.deployment.apiVersion" . }}
+kind: Deployment
+metadata:
+  name: otel-collector
+  namespace: {{ .Release.Namespace | quote }}
+  labels: {{- include "common.labels.standard" . | nindent 4 }}
+    app.kubernetes.io/component: otel-collector
+    {{- if .Values.commonLabels }}
+    {{- include "common.tplvalues.render" ( dict "value" .Values.commonLabels "context" $ ) | nindent 4 }}
+    {{- end }}
+spec:
+  selector:
+    matchLabels: matchLabels: {{- include "common.labels.matchLabels" . | nindent 6 }}
+      app.kubernetes.io/component: otel-collector
+  template:
+    metadata:
+      annotations:
+        checksum/config: {{ include (print $.Template.BasePath "/otel-collector/configmap.yaml") . | sha256sum }}
+        cluster-autoscaler.kubernetes.io/safe-to-evict: "true"
+      labels: {{- include "common.labels.standard" . | nindent 8 }}
+        app.kubernetes.io/component: otel-collector
+    spec:
+      securityContext:
+        fsGroup: 101
+        supplementalGroups:
+        - 2345
+      containers:
+      - name: otel-collector
+        ports:
+        - containerPort: 4318
+          name: metrics
+          protocol: TCP
+        image: otel/opentelemetry-collector-contrib:0.115.1
+        resources:
+          limits:
+            cpu: 100m
+            memory: 200Mi
+          requests:
+            cpu: 100m
+            memory: 200Mi
+        securityContext:
+          allowPrivilegeEscalation: false
+          capabilities:
+            drop:
+            - all
+          readOnlyRootFilesystem: true
+          runAsGroup: 101
+          runAsNonRoot: false
+          runAsUser: 101
+        volumeMounts:
+        - mountPath: /etc/otelcol-contrib/config.yaml
+          name: data
+          subPath: config.yaml
+          readOnly: true
+      terminationGracePeriodSeconds: 30
+      volumes:
+      - name: data
+        configMap:
+          name: otel-collector-config

chart/templates/otel-collector/service.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: otel-collector
+  namespace: {{ .Release.Namespace | quote }}
+  labels: {{- include "common.labels.standard" . | nindent 4 }}
+    app.kubernetes.io/component: otel-collector
+    {{- if .Values.commonLabels }}
+    {{- include "common.tplvalues.render" ( dict "value" .Values.commonLabels "context" $ ) | nindent 4 }}
+    {{- end }}
+spec:
+  ports:
+  - name: metrics
+    port: 4318
+    protocol: TCP
+    targetPort: metrics
+  selector:
+    {{- include "common.labels.matchLabels" . | nindent 4 }}
+    app.kubernetes.io/component: otel-collector