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Merge pull request #449 from alghe-global/spark-fixes 

Remove "$" from commands and clarify context for spark example
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Kubernetes Prow Robot 2022-07-21 10:25:54 -07:00 committed by GitHub
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18
staging/spark/README.md
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@ -30,8 +30,10 @@ Optionally, your Kubernetes cluster should be configured with a Loadbalancer int
## Step One: Create namespace
Create the namespace by executing the following command using `kubectl`:
```sh
$ kubectl create -f examples/staging/spark/namespace-spark-cluster.yaml
kubectl create -f examples/staging/spark/namespace-spark-cluster.yaml
```
Now list all namespaces:
@ -43,14 +45,14 @@ default <none> Active
spark-cluster name=spark-cluster Active
```
To configure kubectl to work with our namespace, we will create a new context using our current context as a base:
To configure kubectl to work with our namespace, we will create a new context using our current context as a base with the following commands:
```sh
$ CURRENT_CONTEXT=$(kubectl config view -o jsonpath='{.current-context}')
$ USER_NAME=$(kubectl config view -o jsonpath='{.contexts[?(@.name == "'"${CURRENT_CONTEXT}"'")].context.user}')
$ CLUSTER_NAME=$(kubectl config view -o jsonpath='{.contexts[?(@.name == "'"${CURRENT_CONTEXT}"'")].context.cluster}')
$ kubectl config set-context spark --namespace=spark-cluster --cluster=${CLUSTER_NAME} --user=${USER_NAME}
$ kubectl config use-context spark
CURRENT_CONTEXT=$(kubectl config view -o jsonpath='{.current-context}')
USER_NAME=$(kubectl config view -o jsonpath='{.contexts[?(@.name == "'"${CURRENT_CONTEXT}"'")].context.user}')
CLUSTER_NAME=$(kubectl config view -o jsonpath='{.contexts[?(@.name == "'"${CURRENT_CONTEXT}"'")].context.cluster}')
kubectl config set-context spark --namespace=spark-cluster --cluster=${CLUSTER_NAME} --user=${USER_NAME}
kubectl config use-context spark
```
## Step Two: Start your Master service
@ -279,7 +281,7 @@ If your Kubernetes cluster does not have a Loadbalancer integration, then we wil
Take the Zeppelin pod from before and port-forward the WebUI port:
```console
$ kubectl port-forward zeppelin-controller-ja09s 8080:8080
kubectl port-forward zeppelin-controller-ja09s 8080:8080
```
This forwards `localhost` 8080 to container port 8080. You can then find