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Get external IP of a service in GKE
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| # required vars: gcloud-api-key.json, $GCLOUD_PROJECT, $GCLOUD_ZONE, $CLUSTER_NAME, $SERVICE_NAME | |
| gcloud auth activate-service-account --key-file gcloud-api-key.json | |
| gcloud config set project $GCLOUD_PROJECT | |
| gcloud config set compute/zone $GCLOUD_ZONE | |
| lines=`gcloud container clusters list --filter NAME="$CLUSTER_NAME" | wc -l` | |
| if [ $lines -eq 0 ] ; then echo "No deployed cluster for $CLUSTER_NAME" && exit 1 ; fi | |
| gcloud container clusters get-credentials $CLUSTER_NAME | |
| external_ip=$(kubectl get svc $SERVICE_NAME --template="{{range .status.loadBalancer.ingress}}{{.ip}}{{end}}") | |
| echo "IP for cluster $CLUSTER_NAME is $external_ip" |
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