Docs improvement from module12 to module15

module12/istio/1.http-gw/httpserver.MD

@@ -9,7 +9,7 @@ kubectl create -f istio-specs.yaml -n simple
 ### Check ingress ip
 
 ```sh
-k get svc -nistio-system
+k get svc -n istio-system
 
 istio-ingressgateway   LoadBalancer   10.108.31.242
 ```

module12/istio/3.https-gw/httpsserver.MD

@@ -15,7 +15,7 @@ kubectl apply -f istio-specs.yaml -n securesvc
 ### Check ingress ip
 
 ```sh
-k get svc -nistio-system
+k get svc -n istio-system
 
 istio-ingressgateway   LoadBalancer   $INGRESS_IP
 ```

module12/istio/tracing/readme.MD

@@ -19,7 +19,7 @@ kubectl apply -f istio-specs.yaml -n tracing
 ### Check ingress ip
 
 ```sh
-k get svc -nistio-system
+k get svc -n istio-system
 
 istio-ingressgateway   LoadBalancer   $INGRESS_IP
 ```

module13/clusternet/access-child-cluster.MD

@@ -1,4 +1,4 @@
-```
+```sh
 # base64 encoded certificate from your child cluster. (PLEASE CHANGE ME!!!)
 CHILDCLUSTERCERT="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"
 # base64 encoded privatekey from your child cluster. (PLEASE CHANGE ME!!!)
@@ -15,7 +15,7 @@ curl -k -XGET  -H "Accept: application/json" \
 "${APISERVER}/apis/proxies.clusternet.io/v1alpha1/sockets/${CHILDCLUSTERID}/proxy/direct/api/v1/namespaces"
 ```
 
-```
+```sh
 # Here the token is base64 decoded and from your child cluster. (PLEASE CHANGE ME!!!)
 CHILDCLUSTERTOKEN="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"
 
@@ -24,4 +24,4 @@ curl -k -XGET  -H "Accept: application/json" \
 -H "Authorization: ${PARENTCLUSTERAUTH}" \
 -H "Impersonate-Extra-Clusternet-Token: ${CHILDCLUSTERTOKEN}" \
 "${APISERVER}/apis/proxies.clusternet.io/v1alpha1/sockets/${CHILDCLUSTERID}/proxy/direct/api/v1/namespaces"
-```
+```

module13/clusternet/deploy-app.MD

@@ -1,22 +1,28 @@
-### create deployment in host cluster
-```
+### Create deployment in host cluster
+
+```sh
 kubectl clusternet apply -f deployment.yaml
 ```
-### where the object being stored, as manifest object in clusternet-reserved
-```
+
+### Where the object being stored, as manifest object in clusternet-reserved
+
+```sh
 k get manifest -A
 NAMESPACE             NAME                       AGE
 clusternet-reserved   deployments-foo-my-nginx   9h
 clusternet-reserved   namespaces-foo             9h
 ```
-### link the deployment and target cluster
-```
+
+### Link the deployment and target cluster
+
+```sh
 kubectl apply -f localization.yaml
 kubectl apply -f subscription.yaml
-
-```
-### check generated obj
 ```
+
+### Check generated obj
+
+```sh
 k get base -A
 NAMESPACE          NAME       AGE
 clusternet-bmqv4   app-demo   9h
@@ -26,7 +32,7 @@ NAMESPACE          NAME               DEPLOYER   STATUS    AGE
 clusternet-bmqv4   app-demo-generic   Generic    Success   9h
 ```
 
-```
+```sh
 etcdctl --endpoints https://127.0.0.1:2379 \
 --cacert /etc/kubernetes/pki/etcd/ca.crt \
 --cert /etc/kubernetes/pki/etcd/server.crt \

module13/clusternet/installation.MD

@@ -1,6 +1,8 @@
-## install kubectl clusternet plugin
-### install krew
-```
+## Install kubectl clusternet plugin
+
+### Install krew
+
+```sh
 (
   set -x; cd "$(mktemp -d)" &&
   OS="$(uname | tr '[:upper:]' '[:lower:]')" &&
@@ -10,35 +12,44 @@
   tar zxvf "${KREW}.tar.gz" &&
   ./"${KREW}" install krew
 )
-
-```
-### setup krew
 ```
+
+### Setup krew
+
+```sh
 export PATH="${KREW_ROOT:-$HOME/.krew}/bin:$PATH"
 kubectl krew
 ```
-### install clusternet plugin
-```
+
+### Install clusternet plugin
+
+```sh
 kubectl krew update
 kubectl krew install clusternet
 kubectl clusternet version
 ```
-## setup clusternet control plane
-### parent cluster
-```
+
+## Setup clusternet control plane
+
+### Parent cluster
+
+```sh
 helm repo add clusternet https://clusternet.github.io/charts
 helm install clusternet-hub -n clusternet-system --create-namespace clusternet/clusternet-hub
 kubectl apply -f https://raw.githubusercontent.com/clusternet/clusternet/main/manifests/samples/cluster_bootstrap_token.yaml
 ```
-### child cluster, registrationToken is installed in kube-system
-```
+
+### Child cluster, registrationToken is installed in kube-system
+
+```sh
 helm install clusternet-agent -n clusternet-system --create-namespace \
 --set parentURL=https://192.168.34.2:6443 \
 --set registrationToken=07401b.f395accd246ae52d \
 clusternet/clusternet-agent
 ```
-### check managed clusters
-```
+
+### Check managed clusters
+
+```sh
 kubectl get managedcluster -A
 ```
-

module13/federation/readme.MD

@@ -1,64 +1,81 @@
-## install kubefed by kind
-### 下载federation代码
-```
+### 下载 federation 代码
+
+```sh
 git clone https://github.com/kubernetes-sigs/kubefed.git
 ```
-### 选择HostCluster，确认kubeconfig符合federatio命名规范，用vi编辑kubeconfig，确保context属性没用@字符
-```
-vi ~/.kube/config 
+
+### 选择 HostCluster，确认 kubeconfig 符合 federatio 命名规范，用 vi 编辑 kubeconfig，确保 context 属性没用@字符
+
+```sh
+vi ~/.kube/config
 ```
 
+```yaml
 contexts:
 - context:
-    cluster: kubernetes
-    user: kubernetes-admin
+  cluster: kubernetes
+  user: kubernetes-admin
   name: `cluster1`
-current-context: `cluster1`
+  current-context: `cluster1`
+```
 
 ### 安装
-```
+
+```sh
 kind create cluster
 make deploy.kind
 kubectl -n kube-federation-system get kubefedcluster -oyaml
 ```
-### fix
-```
-k get po -n kube-system kube-apiserver-kind-control-plane -owide
+
+### Fix
+
+```sh
+k get po -n kube-system kube-apiserver-kind-control-plane
 kube-system              kube-apiserver-kind-control-plane             1/1     Running   0          24m     172.18.0.2    kind-control-plane   <none>           <none>
 172.18.0.2
 ```
-#### edit kubefedcluster and change apiEndpoint to 172.18.0.2:6443
-```
-kubectl -n kube-federation-system edit kubefedcluster
-```
-### 安装完成后查看federation
-```
+
+### 安装完成后查看 federation
+
+```sh
 kubectl get all -n kube-federation-system
 ```
-### 将namespace设置为联邦对象
-```
+
+### 将 namespace 设置为联邦对象
+
+```sh
 kubectl create ns federate-me
 ./bin/kubefedctl federate ns federate-me
-
-```
-### 创建FederatedDeployment
 ```
+
+### 创建 FederatedDeployment
+
+```sh
 kubectl apply -f test-deployment.yaml -n federate-me
 ```
-### 查看membercluster中的deployment对象
-```
+
+### 查看 membercluster 中的 deployment 对象
+
+```sh
 kubectl get deployment test-deployment -n federate-me
 ```
-### 创建RSP对象
-```
+
+### 创建 RSP 对象
+
+```sh
 kubectl apply -f test-deployment-rsp.yaml -n federate-me
 ```
-### 查看membercluster中的deployment对象
-```
+
+### 查看 membercluster 中的 deployment 对象
+
+```sh
 kubectl get deployment test-deployment -n federate-me
 ```
-### 查看federatedployment，会发现因为rsp，federateddeployment的override属性被更新了
-```
+
+### 查看 federatedployment，会发现因为 rsp，federateddeployment 的 override 属性被更新了
+
+```sh
 kubectl get federateddeployment test-deployment -n federate-me
 ```
-### 删除rsp，发现override没有被拿掉
+
+### 删除 rsp，发现 override 没有被拿掉