Files
kubelogin/acceptance_test/Makefile
2020-06-09 16:22:42 +09:00

110 lines
4.0 KiB
Makefile

CLUSTER_NAME := kubelogin-acceptance-test
OUTPUT_DIR := $(CURDIR)/output
PATH := $(PATH):$(OUTPUT_DIR)/bin
export PATH
KUBECONFIG := $(OUTPUT_DIR)/kubeconfig.yaml
export KUBECONFIG
# run the login script instead of opening chrome
BROWSER := $(OUTPUT_DIR)/bin/chromelogin
export BROWSER
.PHONY: test
test: build
# see the setup instruction
kubectl oidc-login setup \
--oidc-issuer-url=https://dex-server:10443/dex \
--oidc-client-id=YOUR_CLIENT_ID \
--oidc-client-secret=YOUR_CLIENT_SECRET \
--oidc-extra-scope=email \
--certificate-authority=$(OUTPUT_DIR)/ca.crt
# set up the kubeconfig
kubectl config set-credentials oidc \
--exec-api-version=client.authentication.k8s.io/v1beta1 \
--exec-command=kubectl \
--exec-arg=oidc-login \
--exec-arg=get-token \
--exec-arg=--oidc-issuer-url=https://dex-server:10443/dex \
--exec-arg=--oidc-client-id=YOUR_CLIENT_ID \
--exec-arg=--oidc-client-secret=YOUR_CLIENT_SECRET \
--exec-arg=--oidc-extra-scope=email \
--exec-arg=--certificate-authority=$(OUTPUT_DIR)/ca.crt
# make sure we can access the cluster
kubectl --user=oidc cluster-info
# switch the current context
kubectl config set-context --current --user=oidc
# make sure we can access the cluster
kubectl cluster-info
.PHONY: setup
setup: build dex cluster setup-chrome
.PHONY: setup-chrome
setup-chrome: $(OUTPUT_DIR)/ca.crt
# add the dex server certificate to the trust store
mkdir -p ~/.pki/nssdb
cd ~/.pki/nssdb && certutil -A -d sql:. -n dex -i $(OUTPUT_DIR)/ca.crt -t "TC,,"
# build binaries
.PHONY: build
build: $(OUTPUT_DIR)/bin/kubectl-oidc_login $(OUTPUT_DIR)/bin/chromelogin
$(OUTPUT_DIR)/bin/kubectl-oidc_login:
go build -o $@ ..
$(OUTPUT_DIR)/bin/chromelogin: chromelogin/main.go
go build -o $@ ./chromelogin
# create a Dex server
.PHONY: dex
dex: $(OUTPUT_DIR)/server.crt $(OUTPUT_DIR)/server.key
docker create --name dex-server -p 10443:10443 --network kind quay.io/dexidp/dex:v2.21.0 serve /dex.yaml
docker cp $(OUTPUT_DIR)/server.crt dex-server:/
docker cp $(OUTPUT_DIR)/server.key dex-server:/
docker cp dex.yaml dex-server:/
docker start dex-server
docker logs dex-server
$(OUTPUT_DIR)/ca.key:
mkdir -p $(OUTPUT_DIR)
openssl genrsa -out $@ 2048
$(OUTPUT_DIR)/ca.csr: $(OUTPUT_DIR)/ca.key
openssl req -new -key $(OUTPUT_DIR)/ca.key -out $@ -subj "/CN=dex-ca" -config openssl.cnf
$(OUTPUT_DIR)/ca.crt: $(OUTPUT_DIR)/ca.key $(OUTPUT_DIR)/ca.csr
openssl x509 -req -in $(OUTPUT_DIR)/ca.csr -signkey $(OUTPUT_DIR)/ca.key -out $@ -days 10
$(OUTPUT_DIR)/server.key:
mkdir -p $(OUTPUT_DIR)
openssl genrsa -out $@ 2048
$(OUTPUT_DIR)/server.csr: openssl.cnf $(OUTPUT_DIR)/server.key
openssl req -new -key $(OUTPUT_DIR)/server.key -out $@ -subj "/CN=dex-server" -config openssl.cnf
$(OUTPUT_DIR)/server.crt: openssl.cnf $(OUTPUT_DIR)/server.csr $(OUTPUT_DIR)/ca.crt $(OUTPUT_DIR)/ca.key
openssl x509 -req -in $(OUTPUT_DIR)/server.csr -CA $(OUTPUT_DIR)/ca.crt -CAkey $(OUTPUT_DIR)/ca.key -CAcreateserial -out $@ -sha256 -days 10 -extensions v3_req -extfile openssl.cnf
# create a Kubernetes cluster
.PHONY: cluster
cluster: dex create-cluster
# add the Dex container IP to /etc/hosts of kube-apiserver
docker inspect -f '{{.NetworkSettings.IPAddress}}' dex-server | sed -e 's,$$, dex-server,' | \
kubectl -n kube-system exec -i kube-apiserver-$(CLUSTER_NAME)-control-plane -- tee -a /etc/hosts
# wait for kube-apiserver oidc initialization
# (oidc authenticator will retry oidc discovery every 10s)
sleep 10
.PHONY: create-cluster
create-cluster: $(OUTPUT_DIR)/ca.crt
cp $(OUTPUT_DIR)/ca.crt /tmp/kubelogin-acceptance-test-dex-ca.crt
kind create cluster --name $(CLUSTER_NAME) --config cluster.yaml
kubectl create clusterrole cluster-readonly --verb=get,watch,list --resource='*.*'
kubectl create clusterrolebinding cluster-readonly --clusterrole=cluster-readonly --user=admin@example.com
# clean up the resources
.PHONY: clean
clean:
-rm -r $(OUTPUT_DIR)
.PHONY: delete-cluster
delete-cluster:
kind delete cluster --name $(CLUSTER_NAME)
.PHONY: delete-dex
delete-dex:
docker stop dex-server
docker rm dex-server