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[CHORE] adding eBPF helm chart (open-telemetry#855)
* [CHORE] adding eBPF helm chart Signed-off-by: Nicolas Takashi <nicolas.tcs@hotmail.com> * Update .github/workflows/ebpf-test.yaml Co-authored-by: Tyler Helmuth <12352919+TylerHelmuth@users.noreply.github.com> * Update charts/opentelemetry-ebpf/Chart.yaml Co-authored-by: Tyler Helmuth <12352919+TylerHelmuth@users.noreply.github.com> * Update CONTRIBUTING.md Co-authored-by: Jared Tan <jian.tan@daocloud.io> * Update CONTRIBUTING.md Co-authored-by: Jared Tan <jian.tan@daocloud.io> * Update CONTRIBUTING.md Co-authored-by: Jared Tan <jian.tan@daocloud.io> * Update README.md Co-authored-by: Jared Tan <jian.tan@daocloud.io> * Update README.md Co-authored-by: Jared Tan <jian.tan@daocloud.io> * Update README.md Co-authored-by: Jared Tan <jian.tan@daocloud.io> * Update charts/opentelemetry-ebpf/CONTRIBUTING.md * Update charts/opentelemetry-ebpf/values.yaml * Update charts/opentelemetry-ebpf/values.yaml Co-authored-by: Dmitrii Anoshin <anoshindx@gmail.com> --------- Signed-off-by: Nicolas Takashi <nicolas.tcs@hotmail.com> Co-authored-by: Tyler Helmuth <12352919+TylerHelmuth@users.noreply.github.com> Co-authored-by: Jared Tan <jian.tan@daocloud.io> Co-authored-by: Dmitrii Anoshin <anoshindx@gmail.com>
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‎.github/workflows/ebpf-test.yaml

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name: Test eBPF Chart
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on:
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pull_request:
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paths:
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- "charts/opentelemetry-ebpf/**"
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branches:
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- main
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jobs:
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ebpf-test:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v3
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with:
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fetch-depth: 0
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- name: Setup
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uses: ./.github/actions/setup
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with:
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create-kind-cluster: "true"
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- name: Run chart-testing (install)
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run: ct install --charts charts/opentelemetry-ebpf
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- name: Run daemonset and deployment install test
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run: |
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kubectl apply -f ./charts/opentelemetry-collector/examples/daemonset-and-deployment/rendered
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kubectl rollout status deployment example-opentelemetry-collector --timeout=30s
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kubectl apply -f ./charts/opentelemetry-ebpf/examples/cloud-collector/rendered
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kubectl rollout status daemonset example-opentelemetry-ebpf-kernel-collector --timeout=30s
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kubectl rollout status deployment example-opentelemetry-ebpf-cloud-collector --timeout=30s
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kubectl rollout status deployment example-opentelemetry-ebpf-k8s-collector --timeout=30s
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kubectl rollout status deployment example-opentelemetry-ebpf-reducer --timeout=30s

‎Makefile

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TMP_DIRECTORY = ./tmp
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CHARTS ?= opentelemetry-collector opentelemetry-operator opentelemetry-demo
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CHARTS ?= opentelemetry-collector opentelemetry-operator opentelemetry-demo opentelemetry-ebpf
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.PHONY: generate-examples
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generate-examples:

‎charts/opentelemetry-ebpf/.helmignore

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

‎charts/opentelemetry-ebpf/CONTRIBUTING.md

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# OpenTelemetry eBPF Chart Contributing Guide
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All changes to the chart require a bump to the version in `chart.yaml`. See the [Contributing Guide](https://github.com/open-telemetry/opentelemetry-helm-charts/blob/main/CONTRIBUTING.md#versioning) for our versioning requirements.
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Once the chart version is bumped, the examples must be regenerated. You can regenerate examples by running `make generate-examples CHARTS=opentelemetry-ebpf`.
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## Bumping Default Collector Version
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1. Increase the minor version of the chart by one and set the patch version to zero.
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2. Update the chart's `appVersion` to match the new collector version. This version will be used as the image tag by default.
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3. Review the corresponding release notes in [Opentelemetry eBPF](https://github.com/open-telemetry/opentelemetry-ebpf/releases). If any changes affect the helm charts, adjust the helm chart accordingly.
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4. Run `make generate-examples CHARTS=opentelemetry-ebpf`.

‎charts/opentelemetry-ebpf/Chart.yaml

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apiVersion: v2
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name: opentelemetry-ebpf
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version: 0.1.0
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description: OpenTelemetry eBPF Helm chart for Kubernetes
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type: application
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home: https://opentelemetry.io/
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sources:
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- https://github.com/open-telemetry/opentelemetry-ebpf
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maintainers:
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- name: dmitryax
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- name: TylerHelmuth
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- name: nicolastakashi
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icon: https://opentelemetry.io/img/logos/opentelemetry-logo-nav.png
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appVersion: v0.10.0

‎charts/opentelemetry-ebpf/README.md

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# OpenTelemetry Collector eBPF Helm Chart
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The helm chart installs [OpenTelemetry eBPF](https://github.com/open-telemetry/opentelemetry-ebpf)
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in kubernetes cluster.
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## Prerequisites
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- Kubernetes 1.24+
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- Helm 3.9+
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## Installing the Chart
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Add OpenTelemetry Helm repository:
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```console
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helm repo add open-telemetry https://open-telemetry.github.io/opentelemetry-helm-charts
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```
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To install the chart with the release name my-opentelemetry-ebpf, run the following command:
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```console
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helm install my-opentelemetry-ebpf open-telemetry/opentelemetry-ebpf
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```
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### Other configuration options
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The [values.yaml](./values.yaml) file contains information about all other configuration
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options for this chart.
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For more examples see [Examples](examples).

‎charts/opentelemetry-ebpf/examples/cloud-collector/rendered/cloud-collector-deployment.yaml

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---
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# Source: opentelemetry-ebpf/templates/cloud-collector-deployment.yaml
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: example-opentelemetry-ebpf-cloud-collector
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labels:
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helm.sh/chart: opentelemetry-ebpf-0.1.0
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app.kubernetes.io/name: opentelemetry-ebpf
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app.kubernetes.io/instance: example
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app.kubernetes.io/version: "v0.10.0"
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app.kubernetes.io/managed-by: Helm
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spec:
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progressDeadlineSeconds: 600
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replicas: 1
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revisionHistoryLimit: 3
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selector:
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matchLabels:
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app.kubernetes.io/name: example-opentelemetry-ebpf-cloud-collector
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app.kubernetes.io/instance: example
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strategy:
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type: RollingUpdate
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template:
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metadata:
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labels:
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app.kubernetes.io/name: example-opentelemetry-ebpf-cloud-collector
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app.kubernetes.io/instance: example
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spec:
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containers:
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- name: cloud-collector
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image: "otel/opentelemetry-ebpf-cloud-collector:v0.10.0"
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imagePullPolicy: IfNotPresent
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args:
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- --warning
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env:
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- name: "EBPF_NET_CLUSTER_NAME"
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value: ""
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- name: "EBPF_NET_INTAKE_HOST"
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value: example-opentelemetry-ebpf-reducer
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- name: "EBPF_NET_INTAKE_PORT"
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value: "7000"
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terminationGracePeriodSeconds: 30
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securityContext: {}
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serviceAccountName: example-opentelemetry-ebpf-cloud-collector

‎charts/opentelemetry-ebpf/examples/cloud-collector/rendered/cloud-collector-serviceaccount.yaml

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---
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# Source: opentelemetry-ebpf/templates/cloud-collector-serviceaccount.yaml
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: example-opentelemetry-ebpf-cloud-collector
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labels:
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helm.sh/chart: opentelemetry-ebpf-0.1.0
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app.kubernetes.io/name: opentelemetry-ebpf
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app.kubernetes.io/instance: example
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app.kubernetes.io/version: "v0.10.0"
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app.kubernetes.io/managed-by: Helm

‎charts/opentelemetry-ebpf/examples/cloud-collector/rendered/configmap.yaml

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---
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# Source: opentelemetry-ebpf/templates/configmap.yaml
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: example-opentelemetry-ebpf-config
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labels:
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helm.sh/chart: opentelemetry-ebpf-0.1.0
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app.kubernetes.io/name: opentelemetry-ebpf
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app.kubernetes.io/instance: example
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app.kubernetes.io/version: "v0.10.0"
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app.kubernetes.io/managed-by: Helm
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data:
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config.yaml: |
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labels:
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environment: ""

‎charts/opentelemetry-ebpf/examples/cloud-collector/rendered/k8s-collector-clusterrole.yaml

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---
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# Source: opentelemetry-ebpf/templates/k8s-collector-clusterrole.yaml
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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name: example-opentelemetry-ebpf-k8s-collector
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labels:
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helm.sh/chart: opentelemetry-ebpf-0.1.0
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app.kubernetes.io/name: opentelemetry-ebpf
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app.kubernetes.io/instance: example
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app.kubernetes.io/version: "v0.10.0"
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app.kubernetes.io/managed-by: Helm
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rules:
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- apiGroups:
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- ""
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resources:
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- pods
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verbs:
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- get
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- list
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- watch
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- apiGroups:
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- apps
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resources:
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- replicasets
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verbs:
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- get
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- list
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- watch

‎charts/opentelemetry-ebpf/examples/cloud-collector/rendered/k8s-collector-clusterrolebinding.yaml

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---
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# Source: opentelemetry-ebpf/templates/k8s-collector-clusterrolebinding.yaml
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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name: example-opentelemetry-ebpf-k8s-collector
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labels:
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helm.sh/chart: opentelemetry-ebpf-0.1.0
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app.kubernetes.io/name: opentelemetry-ebpf
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app.kubernetes.io/instance: example
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app.kubernetes.io/version: "v0.10.0"
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app.kubernetes.io/managed-by: Helm
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: ClusterRole
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name: example-opentelemetry-ebpf-k8s-collector
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subjects:
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- kind: ServiceAccount
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name: example-opentelemetry-ebpf-k8s-collector
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namespace: default

‎charts/opentelemetry-ebpf/examples/cloud-collector/rendered/k8s-collector-deployment.yaml

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---
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# Source: opentelemetry-ebpf/templates/k8s-collector-deployment.yaml
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# The k8s-collector consists of two services:
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# 1) k8s-watcher: talks to the Kubernetes API server to determine the current state of
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# the cluster; sets up watches to be notified of subsequent changes to pods, services
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# and other resources.
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# 2) k8s-relay: relays the information collected by k8s-watcher to the reducer.
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: example-opentelemetry-ebpf-k8s-collector
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labels:
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helm.sh/chart: opentelemetry-ebpf-0.1.0
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app.kubernetes.io/name: opentelemetry-ebpf
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app.kubernetes.io/instance: example
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app.kubernetes.io/version: "v0.10.0"
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app.kubernetes.io/managed-by: Helm
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spec:
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progressDeadlineSeconds: 600
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replicas: 1
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revisionHistoryLimit: 3
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selector:
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matchLabels:
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app.kubernetes.io/name: example-opentelemetry-ebpf-k8s-collector
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app.kubernetes.io/instance: example
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strategy:
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type: RollingUpdate
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template:
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metadata:
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annotations:
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# This is here to allow us to do "zero-downtime" updates without an image change.
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rollingUpdateVersion: "1"
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charts.flowmill.com/version: 0.1.0
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labels:
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app.kubernetes.io/name: example-opentelemetry-ebpf-k8s-collector
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app.kubernetes.io/instance: example
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spec:
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containers:
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- name: k8s-watcher
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image: "otel/opentelemetry-ebpf-k8s-watcher:v0.10.0"
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imagePullPolicy: IfNotPresent
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args:
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- --log-console
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- --log-level=warning
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# k8s-relay, which is a service that the k8s-watcher talks to.
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# Currently not configurable, has to be reachable on localhost:8172, so must
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# share a pod with the k8s-watcher above.
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- name: k8s-relay
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image: "otel/opentelemetry-ebpf-k8s-relay:v0.10.0"
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imagePullPolicy: IfNotPresent
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args:
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- --config-file=/etc/network-explorer/config.yaml
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- --warning
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env:
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- name: "EBPF_NET_CLUSTER_NAME"
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value: ""
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- name: "EBPF_NET_INTAKE_HOST"
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value: example-opentelemetry-ebpf-reducer
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- name: "EBPF_NET_INTAKE_PORT"
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value: "7000"
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volumeMounts:
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- mountPath: /etc/network-explorer
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name: k8s-relay-config
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terminationGracePeriodSeconds: 30
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volumes:
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- name: k8s-relay-config
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projected:
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sources:
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- configMap:
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name: example-opentelemetry-ebpf-config
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items:
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- key: config.yaml
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path: config.yaml
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securityContext: {}
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serviceAccountName: example-opentelemetry-ebpf-k8s-collector

‎charts/opentelemetry-ebpf/examples/cloud-collector/rendered/k8s-collector-serviceaccount.yaml

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---
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# Source: opentelemetry-ebpf/templates/k8s-collector-serviceaccount.yaml
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: example-opentelemetry-ebpf-k8s-collector
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labels:
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helm.sh/chart: opentelemetry-ebpf-0.1.0
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app.kubernetes.io/name: opentelemetry-ebpf
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app.kubernetes.io/instance: example
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app.kubernetes.io/version: "v0.10.0"
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app.kubernetes.io/managed-by: Helm

‎charts/opentelemetry-ebpf/examples/cloud-collector/rendered/kernel-collector-clusterrole.yaml

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---
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# Source: opentelemetry-ebpf/templates/kernel-collector-clusterrole.yaml
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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name: example-opentelemetry-ebpf-kernel-collector
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labels:
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helm.sh/chart: opentelemetry-ebpf-0.1.0
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app.kubernetes.io/name: opentelemetry-ebpf
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app.kubernetes.io/instance: example
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app.kubernetes.io/version: "v0.10.0"
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app.kubernetes.io/managed-by: Helm
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rules:
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- apiGroups:
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- policy
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resourceNames:
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- example-opentelemetry-ebpf-kernel-collector
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resources:
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- podsecuritypolicies
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verbs:
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- use

‎charts/opentelemetry-ebpf/examples/cloud-collector/rendered/kernel-collector-clusterrolebinding.yaml

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---
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# Source: opentelemetry-ebpf/templates/kernel-collector-clusterrolebinding.yaml
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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name: example-opentelemetry-ebpf-kernel-collector
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labels:
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helm.sh/chart: opentelemetry-ebpf-0.1.0
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app.kubernetes.io/name: opentelemetry-ebpf
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app.kubernetes.io/instance: example
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app.kubernetes.io/version: "v0.10.0"
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app.kubernetes.io/managed-by: Helm
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: ClusterRole
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name: example-opentelemetry-ebpf-kernel-collector
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subjects:
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- kind: ServiceAccount
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name: example-opentelemetry-ebpf-kernel-collector
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namespace: default

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