add opentelemetry-ebpf-instrumentation helm chart

charts/opentelemetry-ebpf-instrumentation/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/opentelemetry-ebpf-instrumentation/Chart.yaml

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+---
+apiVersion: v2
+name: opentelemetry-ebpf-instrumentation
+version: 0.1.0
+description: OpenTelemetry eBPF instrumentation Helm chart for Kubernetes
+type: application
+home: https://opentelemetry.io/
+sources:
+  - https://github.com/coralogix/opentelemetry-helm-charts
+  - https://github.com/open-telemetry/opentelemetry-helm-charts
+icon: https://opentelemetry.io/img/logos/opentelemetry-logo-nav.png
+maintainers:
+  - name: nimrodavni78
+appVersion: 0.1.0

charts/opentelemetry-ebpf-instrumentation/README.md

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+# OpenTelemetry Collector eBPF Helm Chart
+
+The helm chart installs [OpenTelemetry eBPF Instrumentation](https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation)
+in kubernetes cluster.
+
+## Installing the Chart
+
+Add OpenTelemetry Helm repository:
+
+```console
+helm repo add open-telemetry https://open-telemetry.github.io/opentelemetry-helm-charts
+```
+
+To install the chart with the release name my-opentelemetry-ebpf, run the following command:
+
+```console
+helm install my-opentelemetry-ebpf-instrumentation open-telemetry/opentelemetry-ebpf-instrumentation
+```
+
+### Other configuration options
+
+The [values.yaml](./values.yaml) file contains information about all other configuration
+options for this chart.

charts/opentelemetry-ebpf-instrumentation/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "obi.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "obi.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Allow the release namespace to be overridden for multi-namespace deployments in combined charts
+*/}}
+{{- define "obi.namespace" -}}
+{{- if .Values.namespaceOverride }}
+{{- .Values.namespaceOverride }}
+{{- else }}
+{{- .Release.Namespace }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "obi.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "obi.labels" -}}
+helm.sh/chart: {{ include "obi.chart" . }}
+{{ include "obi.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+app.kubernetes.io/part-of: obi
+{{- end }}
+
+{{/*
+Selector (pod) labels
+*/}}
+{{- define "obi.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "obi.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- with .Values.podLabels }}
+{{ toYaml . }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "obi.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "obi.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
+
+{{/*
+Calculate name of image ID to use for "obi".
+*/}}
+{{- define "obi.imageId" -}}
+{{- if .Values.image.digest }}
+{{- $digest := .Values.image.digest }}
+{{- if not (hasPrefix "sha256:" $digest) }}
+{{- $digest = printf "sha256:%s" $digest }}
+{{- end }}
+{{- printf "@%s" $digest }}
+{{- else if .Values.image.tag }}
+{{- printf ":%s" .Values.image.tag }}
+{{- else }}
+{{- printf ":%s" .Chart.AppVersion }}
+{{- end }}
+{{- end }}
+
+{{/*
+Calculate name of image ID to use for "obi-cache".
+*/}}
+{{- define "obi.k8sCache.imageId" -}}
+{{- if .Values.k8sCache.image.digest }}
+{{- $digest := .Values.k8sCache.image.digest }}
+{{- if not (hasPrefix "sha256:" $digest) }}
+{{- $digest = printf "sha256:%s" $digest }}
+{{- end }}
+{{- printf "@%s" $digest }}
+{{- else if .Values.k8sCache.image.tag }}
+{{- printf ":%s" .Values.k8sCache.image.tag }}
+{{- else }}
+{{- printf ":%s" .Chart.AppVersion }}
+{{- end }}
+{{- end }}
+
+{{/*
+Common kube cache labels
+*/}}
+{{- define "obi.cache.labels" -}}
+helm.sh/chart: {{ include "obi.chart" . }}
+{{ include "obi.cache.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+app.kubernetes.io/part-of: obi
+{{- end }}
+
+{{/*
+Selector (pod) labels
+*/}}
+{{- define "obi.cache.selectorLabels" -}}
+app.kubernetes.io/name: {{ .Values.k8sCache.service.name }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- with .Values.k8sCache.podLabels }}
+{{ toYaml . }}
+{{- end }}
+{{- end }}

charts/opentelemetry-ebpf-instrumentation/templates/cache-deployment.yaml

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+{{- if .Values.k8sCache.replicas }}
+{{- $root := . }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Values.k8sCache.service.name }}
+  namespace: {{ include "obi.namespace" .}}
+  labels:
+    {{- include "obi.cache.labels" . | nindent 4 }}
+    app.kubernetes.io/component: workload
+  {{- with .Values.k8sCache.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  replicas: {{ .Values.k8sCache.replicas }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ .Values.k8sCache.service.name }}
+  template:
+    metadata:
+      {{- with .Values.k8sCache.podAnnotations }}
+      annotations:
+        {{- tpl (toYaml . | nindent 8) $root }}
+      {{- end }}
+      labels:
+        {{- include "obi.cache.labels" . | nindent 8 }}
+    spec:
+      {{- if .Values.serviceAccount.create }}
+      serviceAccountName: {{ include "obi.serviceAccountName" . }}
+      {{- end }}
+      {{- if or .Values.global.image.pullSecrets .Values.image.pullSecrets }}
+      imagePullSecrets:
+        {{- if .Values.global.image.pullSecrets }}
+        {{- toYaml .Values.global.image.pullSecrets | nindent 8 }}
+        {{- else }}
+        {{- toYaml .Values.image.pullSecrets | nindent 8 }}
+        {{- end }}
+      {{- end }}
+      containers:
+        - name: obi-k8s-cache
+          image: {{ .Values.global.image.registry | default .Values.k8sCache.image.registry }}/{{ .Values.k8sCache.image.repository }}{{ include "obi.k8sCache.imageId" . }}
+          imagePullPolicy: {{ .Values.k8sCache.image.pullPolicy }}
+          ports:
+            - containerPort: {{ .Values.k8sCache.service.port }}
+              protocol: TCP
+              name: grpc
+          {{- if .Values.k8sCache.profilePort }}
+            - name: profile
+              containerPort: {{ .Values.k8sCache.profilePort }}
+              protocol: TCP
+          {{- end }}
+          {{- if .Values.k8sCache.internalMetrics.port }}
+            - name: {{ .Values.k8sCache.internalMetrics.portName }}
+              containerPort: {{ .Values.k8sCache.internalMetrics.port }}
+              protocol: TCP
+          {{- end }}
+          {{- with .Values.k8sCache.resources }}
+          resources:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          env:
+            - name: OTEL_EBPF_K8S_CACHE_PORT
+              value: "{{ .Values.k8sCache.service.port }}"
+          {{- if .Values.k8sCache.profilePort }}
+            - name: OTEL_EBPF_K8S_CACHE_PROFILE_PORT
+              value: "{{ .Values.k8sCache.profilePort }}"
+          {{- end }}
+          {{- if .Values.k8sCache.internalMetrics.port }}
+            - name: OTEL_EBPF_K8S_CACHE_INTERNAL_METRICS_PROMETHEUS_PORT
+              value: "{{ .Values.k8sCache.internalMetrics.port }}"
+          {{- end }}
+          {{- range $key, $value := .Values.k8sCache.env }}
+            - name: {{ $key }}
+              value: "{{ $value }}"
+          {{- end }}
+          {{- range $key, $value := .Values.k8sCache.envValueFrom }}
+            - name: {{ $key | quote }}
+              valueFrom:
+          {{- tpl (toYaml $value) $ | nindent 16 }}
+          {{- end }}
+{{- end }}

charts/opentelemetry-ebpf-instrumentation/templates/cache-service.yaml

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+{{- if .Values.k8sCache.replicas }}
+{{- $root := . }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Values.k8sCache.service.name }}
+  namespace: {{ include "obi.namespace" .}}
+  labels:
+    {{- include "obi.cache.labels" . | nindent 4 }}
+    app.kubernetes.io/component: networking
+    {{- with .Values.k8sCache.service.labels }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
+  {{- with .Values.service.annotations }}
+  annotations:
+    {{- tpl (toYaml . | nindent 4) $root }}
+  {{- end }}
+spec:
+  ports:
+    - port: {{ .Values.k8sCache.service.port }}
+      protocol: TCP
+      targetPort: grpc
+      name: grpc
+  selector:
+    app.kubernetes.io/name: {{ .Values.k8sCache.service.name }}
+{{- end }}

charts/opentelemetry-ebpf-instrumentation/templates/cluster-role-binding.yaml

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+{{- if .Values.rbac.create }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: {{ include "obi.fullname" . }}
+  labels:
+    {{- include "obi.labels" . | nindent 4 }}
+    app.kubernetes.io/component: rbac
+  {{- with .Values.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+subjects:
+  - kind: ServiceAccount
+    name: {{ include "obi.serviceAccountName" . }}
+    namespace: {{ include "obi.namespace" .}}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: {{ include "obi.fullname" . }}
+{{- end }}

charts/opentelemetry-ebpf-instrumentation/templates/cluster-role.yaml

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+{{- if .Values.rbac.create }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: {{ include "obi.fullname" . }}
+  labels:
+    {{- include "obi.labels" . | nindent 4 }}
+    app.kubernetes.io/component: rbac
+  {{- with .Values.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+rules:
+  - apiGroups: [ "apps" ]
+    resources: [ "replicasets" ]
+    verbs: [ "list", "watch" ]
+  - apiGroups: [ "" ]
+    resources: [ "pods", "services", "nodes" ]
+    verbs: [ "list", "watch", "get" ]
+  {{- with .Values.rbac.extraClusterRoleRules }}
+  {{- toYaml . | nindent 2 }}
+  {{- end}}
+{{- end }}

charts/opentelemetry-ebpf-instrumentation/templates/configmap.yaml

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+{{- if not .Values.config.skipConfigMapCheck }}
+{{- if and (not .Values.config.create) (eq .Values.config.name "") }}
+  {{- fail "if .Values.config.name is not set, then .Values.config.create should be set to true to use default configuration" }}
+{{- end }}
+{{- end }}
+{{- if and (.Values.config.create) (eq .Values.config.name "") }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "obi.fullname" . }}
+  namespace: {{ include "obi.namespace" . }}
+  labels:
+    {{- include "obi.labels" . | nindent 4 }}
+    app.kubernetes.io/component: config
+  {{- with .Values.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+data:
+  ebpf-instrument-config.yml: |
+    {{- if eq .Values.preset "network" }}
+    {{- if not .Values.config.data.network }}
+    network:
+      enable: true
+    {{- end }}
+    {{- end }}
+    {{- if eq .Values.preset "application" }}
+    {{- if not .Values.config.data.discovery }}
+    discovery:
+      services:
+        - k8s_namespace: .
+      exclude_services:
+        - exe_path: ".*ebpf-instrument.*|.*otelcol.*"
+    {{- end }}
+    {{- end }}
+  {{- toYaml .Values.config.data | nindent 4}}
+{{- end }}