在 minikube 上部署 knative
安装 minkube
// 部署 minkube
$ minikube start --image-mirror-country cn \
--iso-url=https://kubernetes.oss-cn-hangzhou.aliyuncs.com/minikube/iso/minikube-v1.5.0.iso \
--image-repository=registry.cn-hangzhou.aliyuncs.com/google_containers \
--container-runtime=containerd \
--vm-driver=virtualbox \
--kubernetes-version='v1.17.0' \
--network-plugin=cni \
--memory=5120 \
--cpus=4 \
--alsologtostderr -v=8
// 安装 cilium 网络查件
$ kubectl create -f https://raw.githubusercontent.com/cilium/cilium/v1.8/install/kubernetes/quick-install.yaml
// 检查 pod 是否正常运行
$ kubectl get pod -n kube-system
NAME READY STATUS RESTARTS AGE
cilium-crs5s 1/1 Running 0 3h40m
cilium-operator-69c684d865-77c9w 1/1 Running 0 3h40m
coredns-7f9c544f75-47x56 1/1 Running 0 3h41m
coredns-7f9c544f75-g95kk 1/1 Running 0 3h41m
etcd-minikube 1/1 Running 0 3h41m
kube-addon-manager-minikube 1/1 Running 0 3h41m
kube-apiserver-minikube 1/1 Running 0 3h41m
kube-controller-manager-minikube 1/1 Running 0 3h41m
kube-proxy-59zdn 1/1 Running 0 3h41m
kube-scheduler-minikube 1/1 Running 0 3h41m
storage-provisioner 1/1 Running 0 3h41m
安装 istio
// 下载 istioctl bin 文件
$ curl -L https://istio.io/downloadIstio | sh -
// 使用 istioctl 安装 istio 组件
$ cp istio-1.5.0/bin/istioctl /usr/local/bin/
$ cat << EOF > ./istio-minimal-operator.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
values:
global:
proxy:
autoInject: enabled // 自动注入 istio sidecar
useMCP: false
# The third-party-jwt is not enabled on all k8s.
# See: https://istio.io/docs/ops/best-practices/security/#configure-third-party-service-account-tokens
jwtPolicy: first-party-jwt
addonComponents:
pilot:
enabled: true
prometheus:
enabled: false
components:
ingressGateways:
- name: istio-ingressgateway
enabled: true
- name: cluster-local-gateway
enabled: true
label:
istio: cluster-local-gateway
app: cluster-local-gateway
k8s:
service:
type: ClusterIP
ports:
- port: 15020
name: status-port
- port: 80
name: http2
- port: 443
name: https
EOF
$ istioctl manifest apply -f istio-minimal-operator.yaml
安装 knative
// 安装 knative operator
$ kubectl apply -f https://github.com/knative/operator/releases/download/v0.15.0/operator.yaml
// 创建 Knative Serving CR，创建完成后，knative operator 会自动安装 knative 所需要的组件
$ cat <<-EOF | kubectl apply -f -
apiVersion: v1
kind: Namespace
metadata:
name: knative-serving
---
apiVersion: operator.knative.dev/v1alpha1
kind: KnativeServing
metadata:
name: knative-serving
namespace: knative-serving
EOF
// 检查 knative-serving 组件是否正常运行
$ kubectl get deployment -n knative-serving
NAME READY UP-TO-DATE AVAILABLE AGE
activator 1/1 1 1 3h25m
autoscaler 1/1 1 1 3h25m
autoscaler-hpa 1/1 1 1 3h25m
controller 1/1 1 1 3h25m
istio-webhook 1/1 1 1 3h25m
networking-istio 1/1 1 1 3h25m
webhook 1/1 1 1 3h25m
// 创建 knative-eventing cr
$ cat <<-EOF | kubectl apply -f -
apiVersion: v1
kind: Namespace
metadata:
name: knative-eventing
---
apiVersion: operator.knative.dev/v1alpha1
kind: KnativeEventing
metadata:
name: knative-eventing
namespace: knative-eventing
EOF
// 检查 knative-eventing 组件是否正常运行
$ kubectl get deployment -n knative-eventing
NAME READY UP-TO-DATE AVAILABLE AGE
broker-controller 1/1 1 1 3h25m
broker-filter 1/1 1 1 3h25m
broker-ingress 1/1 1 1 3h25m
eventing-controller 1/1 1 1 3h25m
eventing-webhook 1/1 1 1 3h25m
imc-controller 1/1 1 1 3h25m
imc-dispatcher 1/1 1 1 3h25m
mt-broker-controller 1/1 1 1 3h25m
pingsource-mt-adapter 1/1 1 1 109m
// 为 knative-serving namespace 启用 istio sidecar 自动注入功能
$ kubectl label namespace knative-serving istio-injection=enabled
// 启用 Istio mTLS 功能
$ cat <<EOF | kubectl apply -f -
apiVersion: "security.istio.io/v1beta1"
kind: "PeerAuthentication"
metadata:
name: "default"
namespace: "knative-serving"
spec:
mtls:
mode: PERMISSIVE
EOF
// 安装 knative 客户端工具 kn，类似于 kubectl、istioctl 可以对 kantive 中的资源进行操作
$ curl https://storage.googleapis.com/knative-nightly/client/latest/kn-darwin-amd64
$ cp kn-darwin-amd64 /usr/local/bin/kn
检查 knative 服务状态
knative 服务所启动的 pod 分别在 knative-serving 和 knative-eventing 两个 namespace 下，查看 pod 是否都已启动成功：
$ kubectl get pod -n knative-serving
NAME READY STATUS RESTARTS AGE
activator-7fff689bcb-zt9pm 2/2 Running 2 22d
autoscaler-5bcff95856-pr6nk 2/2 Running 1 22d
autoscaler-hpa-75584dd678-fpk7w 2/2 Running 1 22d
controller-bbdd78bc4-6cqm4 2/2 Running 1 22d
istio-webhook-5f5794dcc4-sgzlj 2/2 Running 1 22d
networking-istio-7d875675c7-gc55v 1/1 Running 0 22d
storage-version-migration-f46wc 1/2 Running 2 22d
webhook-68bb66b676-9xk4s 2/2 Running 7 22d
$ kubectl get pod -n knative-eventing
NAME READY STATUS RESTARTS AGE
broker-controller-5587985664-rrhsj 1/1 Running 0 22d
broker-filter-854c4dbd4d-ng75g 1/1 Running 2 22d
broker-ingress-bd8dd9fb8-6zqv2 1/1 Running 2 22d
eventing-controller-58db89b996-kbrsp 1/1 Running 0 22d
eventing-webhook-7dc8cc7798-sspfm 1/1 Running 5 22d
imc-controller-d88855db5-zj6h6 1/1 Running 0 22d
imc-dispatcher-549db764cc-8lbcj 1/1 Running 0 22d
mt-broker-controller-55b9857d8d-7hf6n 1/1 Running 0 22d
pingsource-mt-adapter-6b465cffdc-gqgn5 1/1 Running 0 22d
storage-version-migration-6mm74 0/1 Completed 0 22d
v0.15.0-upgrade-5vr8z 0/1 Completed 0 22d
参考：
istio 安装：https://knative.dev/development/install/installing-istio/#installing-istio-with-sidecar-injection
knative 安装：https://knative.dev/v0.15-docs/install/knative-with-operators/