ingress-nginx-helm/build/dev-env.sh
2020-02-12 20:19:57 -03:00

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#!/bin/bash
# Copyright 2018 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.
if [ -n "$DEBUG" ]; then
set -x
fi
set -o errexit
set -o nounset
set -o pipefail
DIR=$(cd $(dirname "${BASH_SOURCE}") && pwd -P)
export TAG=dev
export ARCH=amd64
export REGISTRY=${REGISTRY:-ingress-controller}
DEV_IMAGE=${REGISTRY}/nginx-ingress-controller:${TAG}
kind --version || $(echo "Please install kind.";exit 1)
KUBE_CLIENT_VERSION=$(kubectl version --client --short | awk '{print $3}' | cut -d. -f2) || true
if [[ ${KUBE_CLIENT_VERSION} -lt 14 ]]; then
echo "[dev-env] Please update kubectl to 1.15 or higher"
fi
echo "[dev-env] building container"
make build container
docker tag "${REGISTRY}/nginx-ingress-controller-${ARCH}:${TAG}" "${DEV_IMAGE}"
export K8S_VERSION=${K8S_VERSION:-v1.17.2@sha256:59df31fc61d1da5f46e8a61ef612fa53d3f9140f82419d1ef1a6b9656c6b737c}
export DOCKER_CLI_EXPERIMENTAL=enabled
KIND_CLUSTER_NAME="ingress-nginx-dev"
if ! kind get clusters -q | grep -q ${KIND_CLUSTER_NAME}; then
echo "[dev-env] creating Kubernetes cluster with kind"
cat <<EOF | kind create cluster --name ${KIND_CLUSTER_NAME} --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
kubeadmConfigPatches:
- |
kind: InitConfiguration
nodeRegistration:
kubeletExtraArgs:
node-labels: "ingress-ready=true"
authorization-mode: "AlwaysAllow"
extraPortMappings:
- containerPort: 80
hostPort: 80
protocol: TCP
- containerPort: 443
hostPort: 443
protocol: TCP
EOF
else
echo "[dev-env] using existing Kubernetes kind cluster"
fi
echo "[dev-env] copying docker images to cluster..."
kind load docker-image --name="${KIND_CLUSTER_NAME}" "${DEV_IMAGE}"
echo "[dev-env] deploying NGINX Ingress controller..."
kubectl create namespace ingress-nginx || true
kubectl apply -k ${DIR}/../deploy/kind
echo "[dev-env] deleting old ingress-nginx pods..."
kubectl get pods --namespace ingress-nginx -o go-template \
--template '{{range .items}}{{.metadata.name}} {{.metadata.creationTimestamp}}{{"\n"}}{{end}}' | \
awk '$2 <= "'$(date -d'now-1 minute' -Ins --utc | sed 's/+0000/Z/')'" { print $1 }' | \
xargs --no-run-if-empty kubectl delete pod --namespace ingress-nginx
cat <<EOF
Kubernetes cluster ready and ingress-nginx listening in localhost using ports 80 and 443
To delete the dev cluster execute: 'kind delete cluster --name ingress-nginx-dev'
EOF