ingress-nginx-helm/build/dev-env.sh

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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.
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if [ -n "$DEBUG" ]; then
set -x
fi
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set -o errexit
set -o nounset
set -o pipefail
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DIR=$(cd $(dirname "${BASH_SOURCE}") && pwd -P)
export TAG=dev
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export ARCH=amd64
export REGISTRY=${REGISTRY:-ingress-controller}
DEV_IMAGE=${REGISTRY}/nginx-ingress-controller:${TAG}
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if ! command -v kind &> /dev/null; then
echo "kind is not installed"
echo "Use a package manager or visit the official site https://kind.sigs.k8s.io"
exit 1
fi
if ! command -v kubectl &> /dev/null; then
echo "Please install kubectl 1.15 or higher"
exit 1
fi
KUBE_CLIENT_VERSION=$(kubectl version --client --short | awk '{print $3}' | cut -d. -f2) || true
if [[ ${KUBE_CLIENT_VERSION} -lt 14 ]]; then
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echo "Please update kubectl to 1.15 or higher"
exit 1
fi
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echo "[dev-env] building container"
make build container
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docker tag "${REGISTRY}/nginx-ingress-controller-${ARCH}:${TAG}" "${DEV_IMAGE}"
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export K8S_VERSION=${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 ${KIND_CLUSTER_NAME} --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
kubeadmConfigPatches:
- |
kind: InitConfiguration
nodeRegistration:
kubeletExtraArgs:
node-labels: "ingress-ready=true"
authorization-mode: "AlwaysAllow"
extraPortMappings:
- containerPort: 80
hostPort: 80
protocol: TCP
- containerPort: 443
hostPort: 443
protocol: TCP
EOF
else
echo "[dev-env] using existing Kubernetes kind cluster"
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fi
echo "[dev-env] copying docker images to cluster..."
kind load docker-image --name="${KIND_CLUSTER_NAME}" "${DEV_IMAGE}"
echo "[dev-env] deploying NGINX Ingress controller..."
kubectl create namespace ingress-nginx || true
kubectl apply -k ${DIR}/../deploy/kind
echo "[dev-env] deleting old ingress-nginx pods..."
MINUTE_AGO=$(python -c "from datetime import datetime,timedelta; print((datetime.utcnow()-timedelta(seconds=60)).strftime('%Y-%m-%dT%H:%M:%SZ'))")
kubectl get pods --namespace ingress-nginx -o go-template \
--template '{{range .items}}{{.metadata.name}} {{.metadata.creationTimestamp}}{{"\n"}}{{end}}' | \
awk -v MINUTE_AGO=$MINUTE_AGO '$2 <= MINUTE_AGO { print $1 }' | \
xargs kubectl delete pod --namespace ingress-nginx
cat <<EOF
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Kubernetes cluster ready and ingress-nginx listening in localhost using ports 80 and 443
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To delete the dev cluster execute: 'kind delete cluster --name ingress-nginx-dev'
EOF