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| #!/bin/sh | |
| # This creates a GKE Cluster | |
| # - Will wait for any deletion to complete on a cluster with the same name before creating | |
| # - Will wait for completion before continuing | |
| # - If the script is run concurrently multiple times, only one cluster will be created, all instances will wait for availability | |
| # Requires GCP Cloud SDK | |
| # Installs retry https://github.com/kadwanev/retry | |
| export GKE_PROJECT=$1 | |
| export GKE_CLUSTER=$2 | |
| export GKE_ZONE=$3 | |
| attempts=0 | |
| while [ attempts == 0 ] | |
| do | |
| # may update this to avoid repeated install, drop me a comment if needed | |
| sudo sh -c "curl https://raw.githubusercontent.com/kadwanev/retry/master/retry -o /usr/local/bin/retry && chmod +x /usr/local/bin/retry" | |
| retry -s 15 -t 20 -v ' | |
| STATUS=$(gcloud container clusters list --format="json" --project $GKE_PROJECT | | |
| jq " | |
| .[] | | |
| {name: .name, status: .status} | | |
| select(.name == \"$GKE_CLUSTER\") | |
| " | | |
| jq ".status") | |
| if [ "$STATUS" == "\"STOPPING\"" ]; then echo "Cluster stopping waiting for completion" && exit 1; fi | |
| exit 0 | |
| ' | |
| cluster=$(gcloud container clusters list --project $GKE_PROJECT --format="json" | jq '.[] | select(.name == "${GKE_CLUSTER}")') | |
| if [ -z "$cluster" ]; | |
| then | |
| echo "No clusters found for \"$GKE_CLUSTER\" in project \"$GKE_CLUSTER\" in zone \"$GKE_ZONE\"" | |
| # you may not need this, it installs GCP beta for additional command line options | |
| gcloud components install beta -q | |
| # replace this line with whatever type of cluster you want to create | |
| gcloud beta container --project $GKE_PROJECT clusters create $GKE_CLUSTER --zone $GKE_ZONE --no-enable-basic-auth --cluster-version "1.15.12-gke.2" --machine-type "custom-1-3072" --image-type "COS" --disk-type "pd-standard" --disk-size "15" --metadata disable-legacy-endpoints=true --scopes "https://www.googleapis.com/auth/devstorage.read_only","https://www.googleapis.com/auth/logging.write","https://www.googleapis.com/auth/monitoring","https://www.googleapis.com/auth/servicecontrol","https://www.googleapis.com/auth/service.management.readonly","https://www.googleapis.com/auth/trace.append" --num-nodes "1" --enable-stackdriver-kubernetes --enable-ip-alias --default-max-pods-per-node "110" --enable-autoscaling --min-nodes "0" --max-nodes "3" --no-enable-master-authorized-networks --addons HorizontalPodAutoscaling,HttpLoadBalancing --enable-autoupgrade --enable-autorepair --max-surge-upgrade 1 --max-unavailable-upgrade 0 | |
| fi; | |
| retry -s 15 -t 20 -v ' | |
| STATUS=$(gcloud container clusters list --format="json" --project $GKE_PROJECT | | |
| jq " | |
| .[] | | |
| {name: .name, status: .status} | | |
| select(.name == \"$GKE_CLUSTER\") | |
| " | | |
| jq ".status") | |
| if [ "$STATUS" == "\"PROVISIONING\"" ]; then echo "Cluster provisioning waiting for available" && exit 1; fi | |
| exit 0 | |
| ' | |
| echo "Cluster is available" | |
| gcloud container clusters get-credentials $GKE_CLUSTER --zone $GKE_ZONE --project $GKE_PROJECT | |
| kubectl version | |
| NSID=$(cat /proc/sys/kernel/random/uuid) | |
| echo "::set-env name=NSID::"$NSID | |
| cat <<EOF | kubectl apply -f - | |
| apiVersion: v1 | |
| kind: Namespace | |
| metadata: | |
| name: ns-unity-builder-$NSID | |
| labels: | |
| app: unity-builder | |
| EOF && exit 0 | |
| attempts=attempts+1 | |
| done |
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