doc: update docs/kubernetes.md
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jaywcjlove
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@ -10,24 +10,29 @@ Kubernetes 备忘清单
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```bash
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$ kubectl get no # 显示所有节点信息
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$ kubectl get no -o wide # 显示所有节点的更多信息
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# 显示所有节点的更多信息
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$ kubectl get no -o wide
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$ kubectl describe no # 显示节点详情
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$ kubectl get no -o yaml # 以yaml格式，显示节点详情
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$ kubectl get node --selector=[label_name] # 筛选指定标签的节点
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# 以yaml格式，显示节点详情
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$ kubectl get no -o yaml
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# 筛选指定标签的节点
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$ kubectl get node --selector=[label_name]
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# 输出 jsonpath 表达式定义的字段信息
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$ kubectl get nodes -o jsonpath='{.items[*].status.addresses[?(@.type=="ExternalIP")].address}'
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# 输出jsonpath表达式定义的字段信息
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$ kubectl top node [node_name] # 显示节点(CPU/内存/存储)使用情况
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# 显示节点(CPU/内存/存储)使用情况
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$ kubectl top node [node_name]
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```
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### 容器组
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<!--rehype:wrap-class=col-span-2-->
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资源名称: pods, 缩写: po
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```bash
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$ kubectl get po # 显示所有容器组信息
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$ kubectl get po # 显示所有容器组信息
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$ kubectl get po -o wide
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$ kubectl describe po
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$ kubectl get po --show-labels # 查看容器组的labels
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$ kubectl get po --show-labels # 查看容器组的labels
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$ kubectl get po -l app=nginx
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$ kubectl get po -o yaml
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$ kubectl get pod [pod_name] -o yaml --export
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@ -39,7 +44,7 @@ $ kubectl get pods --field-selector status.phase=Running
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### 命名空间
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资源名称: namespaces, 缩写: ns
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资源名称: `namespaces`, 缩写: `ns`
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```bash
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$ kubectl get ns
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@ -49,7 +54,7 @@ $ kubectl describe ns
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### 无状态
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资源名称: deployments, 缩写: deploy
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资源名称: `deployments`, 缩写: `deploy`
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```bash
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$ kubectl get deploy
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@ -60,7 +65,7 @@ $ kubectl get deploy -o yaml
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### 服务
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资源名称: services, 缩写: svc
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资源名称: `services`, 缩写: `svc`
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```bash
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$ kubectl get svc
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@ -71,8 +76,9 @@ $ kubectl get svc --show-labels
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```
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### 守护进程集
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<!--rehype:wrap-class=col-span-2-->
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资源名称: daemonsets, 缩写: ds
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资源名称: `daemonsets`, 缩写: `ds`
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```bash
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$ kubectl get ds
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@ -83,7 +89,7 @@ $ kubectl get ds [ds_name] -n [ns_name] -o yaml
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### 事件
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资源名称: events, 缩写: ev
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资源名称: `events`, 缩写: `ev`
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```bash
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$ kubectl get events
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@ -91,27 +97,29 @@ $ kubectl get events -n kube-system
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$ kubectl get events -w
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```
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### 服务帐户
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<!--rehype:wrap-class=col-span-2-->
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资源名称: `serviceaccounts`, 缩写: `sa`
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```bash
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$ kubectl get sa
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$ kubectl get sa -o yaml
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$ kubectl get serviceaccounts default -o yaml >./sa.yaml
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$ kubectl replace serviceaccount default -f ./sa.yaml
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```
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### 日志
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```bash
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$ kubectl logs [pod_name]
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$ kubectl logs --since=1h [pod_name]
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$ kubectl logs --tail=20 [pod_name]
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$ kubectl logs -f -c [container_name] [pod_name]
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$ kubectl logs \
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-f -c [container_name] [pod_name]
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$ kubectl logs [pod_name] > pod.log
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```
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### 服务帐户
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资源名称: serviceaccounts, 缩写: sa
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```bash
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$ kubectl get sa
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$ kubectl get sa -o yaml
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$ kubectl get serviceaccounts default -o yaml >./sa.yaml
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$ kubectl replace serviceaccount default -f ./sa.yaml
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```
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### 副本集
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资源名称: replicasets, 缩写: rs
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@ -127,7 +135,13 @@ $ kubectl get rs -o yaml
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```bash
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$ kubectl get roles --all-namespaces
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$ kubectl get roles --all-namespaces -o yaml
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```
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---
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```
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$ kubectl get roles \
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--all-namespaces -o yaml
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```
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### 保密字典
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@ -203,6 +217,7 @@ $ kubectl taint [node_name] [taint_name]
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```
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### 标签
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<!--rehype:wrap-class=col-span-2-->
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```bash
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$ kubectl label nodes <node-name> <label-key>=<label-value> #增加
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@ -233,6 +248,7 @@ $ kubectl edit pod [pod_name]
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```
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### 无状态/命名空间
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<!--rehype:wrap-class=col-span-2 row-span-2-->
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```bash
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$ kubectl edit deploy [deploy_name]
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@ -265,6 +281,7 @@ $ kubectl delete sa [sa_name]
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```
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### 注释
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<!--rehype:wrap-class=col-span-2-->
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```bash
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$ kubectl annotatepo [pod_name] [annotation]
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@ -275,6 +292,7 @@ $ kubectl annotateno [node_name]
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---
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### 创建容器组
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<!--rehype:wrap-class=col-span-2-->
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```bash
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$ kubectl create -f [name_of_file]
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@ -287,7 +305,8 @@ $ kubectl run [pod_name] --image=nginx --restart=Never
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### 创建服务
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```bash
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$ kubectl create svc nodeport [svc_name] --tcp=8080:80
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$ kubectl create svc nodeport [svc_name] \
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--tcp=8080:80
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```
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### 创建无状态应用
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@ -295,16 +314,12 @@ $ kubectl create svc nodeport [svc_name] --tcp=8080:80
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```bash
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$ kubectl create -f [name_of_file]
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$ kubectl apply -f [name_of_file]
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$ kubectl create deploy [deploy_name] --image=nginx
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```
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### 容器交互
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```bash
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$ kubectl run [pod_name] --image=busybox --rm -it --restart=Never -- sh
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$ kubectl create deploy [deploy_name] \
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--image=nginx
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```
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### 输出YAML文件
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<!--rehype:wrap-class=col-span-2-->
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```bash
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$ kubectl create deploy [deploy_name] --image=nginx --dry-run -o yaml > deploy.yaml
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@ -312,6 +327,14 @@ $ kubectl get po [pod_name] -o yaml --export > pod.yaml
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$ kubectl run nginx --image=nginx:alpine --dry-run -o -yaml > deploy.yaml
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```
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### 容器交互
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```bash
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$ kubectl run [pod_name] \
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--image=busybox --rm -it \
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--restart=Never -- sh
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```
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### 获取帮助
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```bash
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