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create.sh
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#!/usr/bin/env bash
# Copyright 2018 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# "---------------------------------------------------------"
# "- -"
# "- Creates a GKE Cluster -"
# "- -"
# "---------------------------------------------------------"
set -o errexit
set -o nounset
set -o pipefail
ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
CLUSTER_NAME=""
ZONE=""
GKE_VERSION=$(gcloud container get-server-config \
--format="value(validMasterVersions[0])")
# shellcheck source=./common.sh
source "$ROOT/common.sh"
# Ensure the required APIs are enabled
enable_project_api "${PROJECT}" "compute.googleapis.com"
enable_project_api "${PROJECT}" "container.googleapis.com"
enable_project_api "${PROJECT}" "containerregistry.googleapis.com"
enable_project_api "${PROJECT}" "containeranalysis.googleapis.com"
enable_project_api "${PROJECT}" "binaryauthorization.googleapis.com"
# Turn off annoying messages
gcloud config set container/new_scopes_behavior true > /dev/null
# Create a 2-node zonal GKE cluster
# Requires the Beta API to enable binary authorization support
echo "Creating cluster"
gcloud beta container clusters create "$CLUSTER_NAME" \
--zone "$ZONE" \
--cluster-version "$GKE_VERSION" \
--machine-type "n1-standard-1" \
--num-nodes=2 \
--no-enable-basic-auth \
--no-issue-client-certificate \
--enable-ip-alias \
--enable-binauthz
# Get the kubectl credentials for the GKE cluster.
gcloud container clusters get-credentials "$CLUSTER_NAME" --zone "$ZONE"