k8s资源之endpoint &event

秒速五厘米 2023-06-30 08:52 17阅读 0赞

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![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAaHhwamF2YTE_size_8_color_FFFFFF_t_70_g_se_x_16][]

目前刚开始写一个月，一共写了18篇原创文章，文章目录如下：

[istio多集群探秘，部署了50次多集群后我得出的结论][istio_50]

[istio多集群链路追踪，附实操视频][istio]

[istio防故障利器，你知道几个,istio新手不要读，太难！][istio_istio]

[istio业务权限控制，原来可以这么玩][istio 1]

[istio实现非侵入压缩，微服务之间如何实现压缩][istio 2]

[不懂envoyfilter也敢说精通istio系列-http-rbac-不要只会用AuthorizationPolicy配置权限][envoyfilter_istio_-http-rbac-_AuthorizationPolicy]

[不懂envoyfilter也敢说精通istio系列-02-http-corsFilter-不要只会vs][envoyfilter_istio_-02-http-corsFilter-_vs]

[不懂envoyfilter也敢说精通istio系列-03-http-csrf filter-再也不用再代码里写csrf逻辑了][envoyfilter_istio_-03-http-csrf filter-_csrf]

[不懂envoyfilter也敢说精通istio系列http-jwt\_authn-不要只会RequestAuthorization][envoyfilter_istio_http-jwt_authn-_RequestAuthorization]

[不懂envoyfilter也敢说精通istio系列-05-fault-filter-故障注入不止是vs][envoyfilter_istio_-05-fault-filter-_vs]

[不懂envoyfilter也敢说精通istio系列-06-http-match-配置路由不只是vs][envoyfilter_istio_-06-http-match-_vs]

[不懂envoyfilter也敢说精通istio系列-07-负载均衡配置不止是dr][envoyfilter_istio_-07-_dr]

[不懂envoyfilter也敢说精通istio系列-08-连接池和断路器][envoyfilter_istio_-08-]

[不懂envoyfilter也敢说精通istio系列-09-http-route filter][envoyfilter_istio_-09-http-route filter]

[不懂envoyfilter也敢说精通istio系列-network filter-redis proxy][envoyfilter_istio_-network filter-redis proxy]

[不懂envoyfilter也敢说精通istio系列-network filter-HttpConnectionManager][envoyfilter_istio_-network filter-HttpConnectionManager]

[不懂envoyfilter也敢说精通istio系列-ratelimit-istio ratelimit完全手册][envoyfilter_istio_-ratelimit-istio ratelimit]

\--------------------------------------------------------------------------------------------------------------------------

Endpoint:

•endpoint是k8s集群中的一个资源对象，存储在etcd中，用来记录一个service对应的所有pod的访问地址。

# 自动endpoint: #

[root@master01 svc]# cat ./*
    apiVersion: v1
    kind: Pod
    metadata:
      name: nginx-01
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx
        ports:
        - containerPort: 80        
    
    apiVersion: v1
    kind: Pod
    metadata:
      name: nginx-02
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx
        ports:
        - containerPort: 80        
    
    apiVersion: v1
    kind: Pod
    metadata:
      name: nginx-03
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx
        ports:
        - containerPort: 80        
    
    apiVersion: v1
    kind: Service
    metadata:
      name: nginx-clusterip-svc
    spec:
     selector:  
       app: nginx
     type: ClusterIP
     ports:
     -  name: http
        port: 8000      
        targetPort: 80

[root@master01 svc]# kubectl get endpoints  nginx-clusterip-svc -ntest -o yaml
    apiVersion: v1
    kind: Endpoints
    metadata:
      annotations:
        endpoints.kubernetes.io/last-change-trigger-time: "2020-01-16T11:10:26+08:00"
      creationTimestamp: "2020-01-16T03:10:16Z"
      name: nginx-clusterip-svc
      namespace: test
      resourceVersion: "61585"
      selfLink: /api/v1/namespaces/test/endpoints/nginx-clusterip-svc
      uid: 09bad5a7-b858-4438-978b-57b9a8c5a787
    subsets:
    - addresses:
      - ip: 172.20.0.14
        nodeName: 192.168.198.155
        targetRef:
          kind: Pod
          name: nginx-03
          namespace: test
          resourceVersion: "61576"
          uid: be10871d-4744-4764-aaa7-70770d307806
      - ip: 172.20.1.21
        nodeName: 192.168.198.154
        targetRef:
          kind: Pod
          name: nginx-02
          namespace: test
          resourceVersion: "61582"
          uid: 62856668-e432-4669-b76b-ab401392e0ec
      - ip: 172.20.2.26
        nodeName: 192.168.198.156
        targetRef:
          kind: Pod
          name: nginx-01
          namespace: test
          resourceVersion: "61584"
          uid: b5115eed-3fb5-4101-8645-1023b3cd806e
      ports:
      - name: http
        port: 80
        protocol: TCP

# 手动endpoint: #

[root@master01 external]# cat ./*
    kind: Endpoints
    apiVersion: v1
    metadata:
      name: mysql-svc
    subsets:
      - addresses:
        - ip: 192.168.198.156
        ports:
        - port: 3306
    apiVersion: v1
    kind: Pod
    metadata:
      name: mysql
      labels:
        app: mysql
    spec:
      containers: 
      - name: mysql 
        image: mysql:5.6 
        ports:
        - containerPort: 3306 
        env:  
        - name: MYSQL_ROOT_PASSWORD
          value: '123456'
    apiVersion: v1
    kind: Service
    metadata:
      name: mysql-svc
    spec:
      ports:
      - port: 3306

# event: #

•K8s集群中发生的各种事件

kubectl get event -ntest

kubectl get event -ntest -owide

kubectl get event nginx-01.15ea3f4c73c5c11b -ntest -o yaml

kubectl edit event nginx-01.15ea3f4c73c5c11b -ntest

kubectl delete event nginx-01.15ea3f4c73c5c11b -ntest

kubectl label event nginx-01.15ea3f4d688a650f -ntest  testlabe=test

kubectl annotate event nginx-01.15ea3f4d688a650f -ntest  testlabe=test

[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAaHhwamF2YTE_size_8_color_FFFFFF_t_70_g_se_x_16]: https://img-blog.csdnimg.cn/20211007094240106.jpg?x-oss-process=image/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAaHhwamF2YTE=,size_8,color_FFFFFF,t_70,g_se,x_16
[istio_50]: https://mp.weixin.qq.com/s/_OPMjmWCDSTlmbAxytg33A
[istio]: https://mp.weixin.qq.com/s/kjvtno_UzJAGr1joxm3tvw
[istio_istio]: https://mp.weixin.qq.com/s/e2-p_NY31Mc5y07S4Bb1JQ
[istio 1]: https://mp.weixin.qq.com/s/iTV0SCQLhSOTYncp3PxoHQ
[istio 2]: https://mp.weixin.qq.com/s/eINlrT242RlAwfuZu1_PcA
[envoyfilter_istio_-http-rbac-_AuthorizationPolicy]: https://mp.weixin.qq.com/s/Q-yTGBNqkjOov49LTXPrPA
[envoyfilter_istio_-02-http-corsFilter-_vs]: https://mp.weixin.qq.com/s/bFMdrT7OKSqoWv8pDXOIqQ
[envoyfilter_istio_-03-http-csrf filter-_csrf]: https://mp.weixin.qq.com/s/dlG9phV-kMMxs4UPzuRNYg
[envoyfilter_istio_http-jwt_authn-_RequestAuthorization]: https://mp.weixin.qq.com/s/IfrJ-FdLYsdhPkDrcO_YXA
[envoyfilter_istio_-05-fault-filter-_vs]: https://mp.weixin.qq.com/s/a4gDXqD8uswgglMwkUph2Q
[envoyfilter_istio_-06-http-match-_vs]: https://mp.weixin.qq.com/s/TpS3DHdcaJiPivIS_jsIGw
[envoyfilter_istio_-07-_dr]: https://mp.weixin.qq.com/s/k-zJm7n7OOKg6MotQJYPAA
[envoyfilter_istio_-08-]: https://mp.weixin.qq.com/s/n_bJ3saNeTtXRprIymhwzg
[envoyfilter_istio_-09-http-route filter]: https://mp.weixin.qq.com/s/JAeZr0BMVQxIrB3S_7Ru0A
[envoyfilter_istio_-network filter-redis proxy]: https://mp.weixin.qq.com/s/B9IPTI8F3q42nVkqbQRlPw
[envoyfilter_istio_-network filter-HttpConnectionManager]: https://mp.weixin.qq.com/s/W3OPQWkCVvuHGS49cTNhlg
[envoyfilter_istio_-ratelimit-istio ratelimit]: https://mp.weixin.qq.com/s/KgiDsELNol27mgZvDbFsqw