GKE deployment: Kill cluster/gke

cluster/gke/config-common.sh

-#!/bin/bash
-
-# Copyright 2014 The Kubernetes Authors.
-#
-# 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
-#
-#     http://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.
-
-# This script should be sourced as a part of config-test or config-default.
-# Specifically, the following environment variables are assumed:
-# - CLUSTER_NAME  (the name of the cluster)
-
-if [ ! -z "${REGION:-}" ] && [ ! -z "${ZONE:-}" ]; then
-  echo "Only one of REGION and ZONE can be set." >&2
-  exit 1
-fi
-if [ -z "${REGION:-}" ]; then
-  ZONE="${ZONE:-us-central1-f}"
-fi
-NUM_NODES="${NUM_NODES:-3}"
-ADDITIONAL_ZONES="${ADDITIONAL_ZONES:-}"
-CLUSTER_API_VERSION="${CLUSTER_API_VERSION:-}"
-NETWORK="${NETWORK:-default}"
-FIREWALL_SSH="${FIREWALL_SSH:-${NETWORK}-allow-ssh}"
-GCLOUD="${GCLOUD:-gcloud}"
-CMD_GROUP="${CMD_GROUP:-}"
-GCLOUD_CONFIG_DIR="${GCLOUD_CONFIG_DIR:-${HOME}/.config/gcloud/kubernetes}"
-MACHINE_TYPE="${MACHINE_TYPE:-n1-standard-2}"
-IMAGE_TYPE="${IMAGE_TYPE:-}"
-if [[ "${FEDERATION:-}" == true ]]; then
-    NODE_SCOPES="${NODE_SCOPES:-compute-rw,storage-ro,https://www.googleapis.com/auth/ndev.clouddns.readwrite}"
-else
-    NODE_SCOPES="${NODE_SCOPES:-compute-rw,storage-ro}"
-fi
-
-# WARNING: any new vars added here must correspond to options that can be
-# passed to `gcloud {CMD_GROUP} container clusters create`, or they will
-# have no effect. If you change/add a var used to toggle a value in
-# cluster/gce/configure-vm.sh, please ping someone on GKE.
-
-# This is a hack, but I keep setting this when I run commands manually, and
-# then things grossly fail during normal runs because cluster/kubecfg.sh and
-# cluster/kubectl.sh both use this if it's set.
-unset KUBERNETES_MASTER

cluster/gke/config-default.sh

-#!/bin/bash
-
-# Copyright 2014 The Kubernetes Authors.
-#
-# 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
-#
-#     http://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.
-
-# The following are default-specific settings.
-CLUSTER_NAME="${CLUSTER_NAME:-${USER}-gke}"
-NETWORK=${KUBE_GKE_NETWORK:-default}
-
-# For ease of maintenance, extract any pieces that do not vary between default
-# and test in a common config.
-source $(dirname "${BASH_SOURCE}")/config-common.sh
-
-# Optional: Install node logging
-ENABLE_NODE_LOGGING=false
-LOGGING_DESTINATION=gcp # options: elasticsearch, gcp
-
-# Optional: When set to true, Elasticsearch and Kibana will be setup as part of the cluster bring up.
-ENABLE_CLUSTER_LOGGING=false
-ELASTICSEARCH_LOGGING_REPLICAS=1
-
-# Optional: Deploy a L7 loadbalancer controller to fulfill Ingress requests:
-#   glbc           - CE L7 Load Balancer Controller
-ENABLE_L7_LOADBALANCING="${KUBE_ENABLE_L7_LOADBALANCING:-glbc}"
-
-# Optional: Cluster monitoring to setup as part of the cluster bring up:
-#   none     - No cluster monitoring setup
-#   influxdb - Heapster, InfluxDB, and Grafana
-#   google   - Heapster, Google Cloud Monitoring, and Google Cloud Logging
-#   standalone     - Heapster only. Metrics available via Heapster REST API.
-ENABLE_CLUSTER_MONITORING="${KUBE_ENABLE_CLUSTER_MONITORING:-standalone}"
-
-KUBE_DELETE_NETWORK=${KUBE_DELETE_NETWORK:-false}
-
-# Indicates if the values (i.e. KUBE_USER and KUBE_PASSWORD for basic
-# authentication) in metadata should be treated as canonical, and therefore disk
-# copies ought to be recreated/clobbered.
-METADATA_CLOBBERS_CONFIG=true
-
-# Fluentd requirements
-FLUENTD_GCP_MEMORY_LIMIT="${FLUENTD_GCP_MEMORY_LIMIT:-300Mi}"
-FLUENTD_GCP_CPU_REQUEST="${FLUENTD_GCP_CPU_REQUEST:-100m}"
-FLUENTD_GCP_MEMORY_REQUEST="${FLUENTD_GCP_MEMORY_REQUEST:-200Mi}"
-# Adding to PROVIDER_VARS, since this is GCP-specific.
-PROVIDER_VARS="${PROVIDER_VARS:-} FLUENTD_GCP_MEMORY_LIMIT FLUENTD_GCP_CPU_REQUEST FLUENTD_GCP_MEMORY_REQUEST"

cluster/gke/config-test.sh

-#!/bin/bash
-
-# Copyright 2014 The Kubernetes Authors.
-#
-# 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
-#
-#     http://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.
-
-# The following are test-specific settings.
-CLUSTER_NAME="${CLUSTER_NAME:-${USER}-gke-e2e}"
-NETWORK=${KUBE_GKE_NETWORK:-e2e}
-NODE_TAG="k8s-${CLUSTER_NAME}-node"
-IMAGE_TYPE="${KUBE_GKE_IMAGE_TYPE:-container_vm}"
-ENABLE_KUBERNETES_ALPHA="${KUBE_GKE_ENABLE_KUBERNETES_ALPHA:-}"
-
-KUBE_DELETE_NETWORK=${KUBE_DELETE_NETWORK:-true}
-
-# For ease of maintenance, extract any pieces that do not vary between default
-# and test in a common config.
-source $(dirname "${BASH_SOURCE}")/config-common.sh

cluster/gke/make-it-stop.sh

-#!/bin/bash
-
-# Copyright 2016 The Kubernetes Authors.
-#
-# 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
-#
-#     http://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.
-
-echo "This is NOT a production-ready tool.\n\
-IT'S A HACKY, BEST-EFFORT WAY TO \"STOP\" CREATION OF THE GKE CLUSTER."
-read -n 1 -p "Are you sure you want to proceed (y/N)?: " decision
-echo ""
-if [[ "${decision}" != "y" ]]; then
-	echo "Aborting..."
-	exit 0
-fi
-
-set -o errexit
-set -o nounset
-set -o pipefail
-
-KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
-
-if [ -f "${KUBE_ROOT}/cluster/env.sh" ]; then
-    source "${KUBE_ROOT}/cluster/env.sh"
-fi
-
-source "${KUBE_ROOT}/cluster/gke/util.sh"
-STAGING_ENDPOINT="CLOUDSDK_API_ENDPOINT_OVERRIDES_CONTAINER=https://staging-container.sandbox.googleapis.com/"
-
-detect-project
-cluster=$(gcloud container operations list "--project=${PROJECT}" | grep "CREATE_CLUSTER" | grep "RUNNING" || true)
-if [ -z "${cluster}" ]; then
-	echo "Couldn't find any cluster being created in production environment. Trying staging..."
-	cluster=$(env ${STAGING_ENDPOINT} gcloud container operations list "--project=${PROJECT}" | grep "CREATE_CLUSTER" | grep "RUNNING" || true)
-fi
-
-if [ -z "${cluster}" ]; then
-	echo "No cluster creation in progress found. Aborting."
-	exit 0
-fi
-
-zone=$(echo "${cluster}" | tr -s "[:blank:]" | cut -f3 -d" ")
-cluster_name=$(echo "${cluster}" | tr -s "[:blank:]" | cut -f4 -d" ")
-gcloud="gcloud"
-if [ "${zone}" == "us-east1-a" ]; then
-	gcloud="env ${STAGING_ENDPOINT} gcloud"
-fi
-
-migs=$(${gcloud} compute instance-groups managed list --project=${PROJECT} --zones=${zone} | grep "gke-${cluster_name}" | cut -f1 -d" ")
-echo "Managed instance groups for cluster ${cluster_name}: ${migs}"
-for mig in ${migs}; do
-	echo "Resizing ${mig}..."
-	${gcloud} compute instance-groups managed resize --project="${PROJECT}" --zone="${zone}" "${mig}" --size=1
-done
-
-echo "All managed instance groups resized to 1. Cluster creation operation should end soon, and you will be be able to delete the cluster."