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Clarified step of getting Kubernetes cluster name; fixed quoting in c… (#12718) 

* Clarified step of getting Kubernetes cluster name; fixed quoting in command that sets `APISERVER`.

Need to set `CLUSTER_NAME` before using it.
The single quote in the `APISERVER` command prevented the expansion of the `CLUSTER_NAME` variable.

* Remove whitespace
This commit is contained in:
Anna Nguyen 2019-03-07 16:12:14 -06:00 committed by Kubernetes Prow Robot
parent 2ee8a94c5d
commit d110471a35
1 changed files with 7 additions and 4 deletions
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11
content/en/docs/tasks/administer-cluster/access-cluster-api.md
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@ -87,12 +87,15 @@ directly to the API server, like this:
Using `grep/cut` approach:
``` shell
# Check all possible clusters, as you .KUBECONFIG may have multiple contexts
kubectl config view -o jsonpath='{range .clusters[*]}{.name}{"\t"}{.cluster.server}{"\n"}{end}'
```shell
# Check all possible clusters, as you .KUBECONFIG may have multiple contexts:
kubectl config view -o jsonpath='{"Cluster name\tServer\n"}{range .clusters[*]}{.name}{"\t"}{.cluster.server}{"\n"}{end}'
# Select name of cluster you want to interact with from above output:
export CLUSTER_NAME="some_server_name"
# Point to the API server refering the cluster name
APISERVER=$(kubectl config view -o jsonpath='{.clusters[?(@.name=="$CLUSTER_NAME")].cluster.server}')
APISERVER=$(kubectl config view -o jsonpath="{.clusters[?(@.name==\"$CLUSTER_NAME\")].cluster.server}")
# Gets the token value
TOKEN=$(kubectl get secrets -o jsonpath="{.items[?(@.metadata.annotations['kubernetes\.io/service-account\.name']=='default')].data.token}"|base64 -d)