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openobserve-collector helm chart

OpenObserve collector is an opinionated helm chart for deploying the OpenObserve collector that allows to you to:

  • Deploy the OpenObserve collector to a Kubernetes cluster
  • Capture logs and metrics from the cluster and send it to OpenObserve cloud or a self hosted installation
  • Configure auto-instrumentation in your cluster to capture traces from your applications written in following languages (Java, .Net, nodejs, python and Go )

Prerequisites

cert-manager

cert-manager is required to be installed in the cluster. If you already have cert-manager installed then you can skip this step. You can install cert-manager using the following command:

kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.13.1/cert-manager.yaml

Official documentation can be found at https://cert-manager.io/docs/installation/

Wait for 2 minutes after installing cert-manger for the webhook to be ready before installing OpenTelemetry operator.

OpenTelemetry operator

If you already have OpenTelemetry operator installed then you can skip this step.

kubectl apply -f https://github.com/open-telemetry/opentelemetry-operator/releases/latest/download/opentelemetry-operator.yaml

Official documentation can be found at https://opentelemetry.io/docs/kubernetes/operator/

Installing the Chart

kubectl create ns openobserve-collector
helm --namespace openobserve-collector -f values.yaml install o2c openobserve/openobserve-collector

Development

If you are developing this chart then you should clone the repo and make any modifications.

You can generate output of the chart using below command to verify:

helm -n openobserve-collector template o2c . > o2c1.yaml

You can install using:

helm -n openobserve-collector install o2c .

or

helm --namespace openobserve-collector \
  install o2c . \
  --set k8sCluster=cluster1  \
  --set exporters."otlphttp/openobserve".endpoint=URL  \
  --set exporters."otlphttp/openobserve".headers.Authorization="Basic base64 encoded auth"  \
  --set exporters."otlphttp/openobserve_k8s_events".endpoint=URL  \
  --set exporters."otlphttp/openobserve_k8s_events".headers.Authorization="Basic base64 encoded auth"

To upgrade

helm -n openobserve-collector upgrade o2c .

To uninstall

helm -n openobserve-collector uninstall o2c .