jaeger-operator

by jaegertracing

jaegertracing /jaeger-operator

Jaeger Operator for Kubernetes simplifies deploying and running Jaeger on Kubernetes.

517 Stars 150 Forks Last release: about 1 month ago (v1.19.0) Apache License 2.0 581 Commits 78 Releases

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Jaeger Operator for Kubernetes

The Jaeger Operator is an implementation of a Kubernetes Operator.

Getting started

To install the operator, run:

kubectl create namespace observability
kubectl create -n observability -f https://raw.githubusercontent.com/jaegertracing/jaeger-operator/master/deploy/crds/jaegertracing.io_jaegers_crd.yaml
kubectl create -n observability -f https://raw.githubusercontent.com/jaegertracing/jaeger-operator/master/deploy/service_account.yaml
kubectl create -n observability -f https://raw.githubusercontent.com/jaegertracing/jaeger-operator/master/deploy/role.yaml
kubectl create -n observability -f https://raw.githubusercontent.com/jaegertracing/jaeger-operator/master/deploy/role_binding.yaml
kubectl create -n observability -f https://raw.githubusercontent.com/jaegertracing/jaeger-operator/master/deploy/operator.yaml

The operator will activate extra features if given cluster-wide permissions. To enable that, run:

kubectl create -f https://raw.githubusercontent.com/jaegertracing/jaeger-operator/master/deploy/cluster_role.yaml
kubectl create -f https://raw.githubusercontent.com/jaegertracing/jaeger-operator/master/deploy/cluster_role_binding.yaml

Note that you'll need to download and customize the

cluster_role_binding.yaml
if you are using a namespace other than
observability
. You probably also want to download and customize the
operator.yaml
, setting the env var
WATCH_NAMESPACE
to have an empty value, so that it can watch for instances across all namespaces.

Once the

jaeger-operator
deployment in the namespace
observability
is ready, create a Jaeger instance, like:
kubectl apply -n observability -f - <

This will create a Jaeger instance named

simplest
. The Jaeger UI is served via the
Ingress
, like:
$ kubectl get ingress
NAME             HOSTS     ADDRESS          PORTS     AGE
simplest-query   *         192.168.122.34   80        3m

In this example, the Jaeger UI is available at http://192.168.122.34.

The official documentation for the Jaeger Operator, including all its customization options, are available under the main Jaeger Documentation.

(experimental) Generate Kubernetes manifest file

Sometimes it is preferable to generate plain manifests files instead of running an operator in a cluster.

jaeger-operator generate
generates kubernetes manifests from a given CR. In this example we apply the manifest generated by examples/simplest.yaml to the namespace
jaeger-test
:
curl https://raw.githubusercontent.com/jaegertracing/jaeger-operator/master/deploy/examples/simplest.yaml | docker run -i --rm jaegertracing/jaeger-operator:master generate | kubectl apply -n jaeger-test -f -

It is recommended to deploy the operator instead of generating a static manifest.

Contributing and Developing

Please see CONTRIBUTING.md.

License

Apache 2.0 License.

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