{"id":33574,"date":"2023-01-27T18:46:36","date_gmt":"2022-11-11T10:41:52","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8antrea%e9%9b%86%e7%be%a4%e7%bd%91%e7%bb%9c%e7%ad%96%e7%95%a5%e6%9d%a5%e5%ba%94%e7%94%a8%e9%ab%98%e7%ba%a7%e7%bd%91%e7%bb%9c%e7%ad%96%e7%95%a5%e3%80%82\/"},"modified":"2024-04-29T11:46:30","modified_gmt":"2024-04-29T03:46:30","slug":"%e4%bd%bf%e7%94%a8antrea%e9%9b%86%e7%be%a4%e7%bd%91%e7%bb%9c%e7%ad%96%e7%95%a5%e6%9d%a5%e5%ba%94%e7%94%a8%e9%ab%98%e7%ba%a7%e7%bd%91%e7%bb%9c%e7%ad%96%e7%95%a5%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8antrea%e9%9b%86%e7%be%a4%e7%bd%91%e7%bb%9c%e7%ad%96%e7%95%a5%e6%9d%a5%e5%ba%94%e7%94%a8%e9%ab%98%e7%ba%a7%e7%bd%91%e7%bb%9c%e7%ad%96%e7%95%a5%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Antrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\u6765\u5e94\u7528\u9ad8\u7ea7\u7f51\u7edc\u7b56\u7565"},"content":{"rendered":"<h1>Antrea \u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>Antrea \u662f\u4e00\u4e2a\u5f00\u6e90\u7684 Kubernetes CNI\uff0c\u4e3a Kubernetes \u96c6\u7fa4\u63d0\u4f9b L3\/4 \u7f51\u7edc\u529f\u80fd\u548c\u5b89\u5168\u6027\u3002\u5b83\u5229\u7528\u5177\u6709\u60a0\u4e45\u5386\u53f2\u7684 Open vSwitch \u4f5c\u4e3a\u6570\u636e\u5e73\u9762\uff0c\u5145\u5f53\u5f00\u653e\u7684\u865a\u62df\u4ea4\u6362\u673a\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>Antrea \u5df2\u5c1d\u8bd5\u5b9e\u73b0\u4e86\u591a\u79cd\u6269\u5c55\u6807\u51c6 Kubernetes \u96c6\u7fa4\u7f51\u7edc\u7684\u529f\u80fd\u3002\u4f5c\u4e3a\u6269\u5c55 NetworkPolicy \u7684\u529f\u80fd\uff0cAntrea \u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\uff08ACNP\uff09\u53ef\u7528\u3002Antrea \u8fd8\u652f\u6301\u6807\u51c6 NetworkPolicy\uff0c\u4f46 ACNP \u63d0\u4f9b\u4ee5\u4e0b\u529f\u80fd\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3\u96c6\u7fa4\u7ba1\u7406\u5458\u7684\u8981\u6c42\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30dd\u30ea\u30b7\u30fc\u306e\u968e\u5c64\u5316(Tier)\u3068\u512a\u5148\u5ea6\u8a2d\u5b9a(Priority)\u3001Tier \u30ec\u30d9\u30eb\u306e RBAC<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Namespace \u306b\u9650\u5b9a\u3055\u308c\u306a\u3044\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30ec\u30d9\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a2\u30af\u30b7\u30e7\u30f3\u30eb\u30fc\u30eb\u306e\u30b5\u30dd\u30fc\u30c8: Allow, Drop, Reject \u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u53ef\u80fd<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">FQDN \u30d5\u30a3\u30eb\u30bf\u306e\u30b5\u30dd\u30fc\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">L7 \u30d7\u30ed\u30c8\u30b3\u30eb\u30ec\u30d9\u30eb\u306e\u30d5\u30a3\u30eb\u30bf\u306e\u30b5\u30dd\u30fc\u30c8<\/ul>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u60f3\u8981\u5173\u6ce8Antrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\uff0c\u5e76\u5bf9\u5176\u529f\u80fd\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<h1>Antrea\u96c6\u7fa4\u7684\u51c6\u5907\u5de5\u4f5c<\/h1>\n<p>\u8bf7\u53c2\u8003\u4ee5\u4e0b\u6587\u7ae0\uff0c\u4e86\u89e3\u6709\u5173\u5728 Kubernetes \u96c6\u7fa4\u4e0a\u5b89\u88c5 Antrea \u548c antctl \u547d\u4ee4\u7684\u793a\u4f8b\u3002<br \/>\nhttps:\/\/qiita.com\/ynakaoku\/items\/449b15d06a661fb83e91<\/p>\n<p>\u672c\u6587\u5047\u5b9a\u8bfb\u8005\u4f7f\u7528\u7684\u662fAntrea 1.12.1\u7248\u672c\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<h3>\u786e\u8ba4\u8bbe\u7f6e<\/h3>\n<p>\u5f53\u90e8\u7f72 Antrea \u65f6\uff0c\u4f1a\u540c\u65f6\u521b\u5efa Antrea \u7684 Configmap\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 antrea-config \u547d\u4ee4\u6765\u786e\u8ba4\u5f53\u524d\u7684\u914d\u7f6e\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code>kubectl get configmap antrea-config <span class=\"nt\">-n<\/span> kube-system <span class=\"nt\">-o<\/span> yaml\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\u6211\u4eec\u5c06\u786e\u8ba4AntreaPolicy\u7684\u8bbe\u7f6e\u3002antrea-agent.conf\u548cantrea-controller.conf\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684AntreaPolicy\u5df2\u7ecf\u8bbe\u7f6e\u4e3aTrue\uff0c\u4f46\u88ab\u6ce8\u91ca\u6389\u4e86\u3002\u7531\u4e8e\u4eceAntrea 1.0\u7248\u672c\u5f00\u59cb\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0bAntrea\u7f51\u7edc\u7b56\u7565\u5df2\u542f\u7528\uff0c\u6240\u4ee5\u5b83\u5df2\u7ecf\u5904\u4e8e\u6709\u6548\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">data<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">antrea-agent.conf<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">|<\/span>\r\n    <span class=\"s\"># FeatureGates is a map of feature names to bools that enable or disable experimental features.<\/span>\r\n    <span class=\"s\">featureGates:<\/span>\r\n    <span class=\"s\"># AllAlpha is a global toggle for alpha features. Per-feature key values override the default set by AllAlpha.<\/span>\r\n    <span class=\"s\">#  AllAlpha: false<\/span>\r\n\r\n    <span class=\"s\"># AllBeta is a global toggle for beta features. Per-feature key values override the default set by AllBeta.<\/span>\r\n    <span class=\"s\">#  AllBeta: false<\/span>\r\n\r\n    <span class=\"s\"># Enable AntreaProxy which provides ServiceLB for in-cluster Services in antrea-agent.<\/span>\r\n    <span class=\"s\"># It should be enabled on Windows, otherwise NetworkPolicy will not take effect on<\/span>\r\n    <span class=\"s\"># Service traffic.<\/span>\r\n    <span class=\"s\">#  AntreaProxy: true<\/span>\r\n\r\n    <span class=\"s\"># Enable EndpointSlice support in AntreaProxy. Don't enable this feature unless that EndpointSlice<\/span>\r\n    <span class=\"s\"># API version v1 is supported and set as enabled in Kubernetes. If AntreaProxy is not enabled,<\/span>\r\n    <span class=\"s\"># this flag will not take effect.<\/span>\r\n    <span class=\"s\">#  EndpointSlice: true<\/span>\r\n\r\n    <span class=\"s\"># Enable TopologyAwareHints in AntreaProxy. This requires AntreaProxy and EndpointSlice to be<\/span>\r\n    <span class=\"s\"># enabled, otherwise this flag will not take effect.<\/span>\r\n    <span class=\"s\">#  TopologyAwareHints: true<\/span>\r\n\r\n    <span class=\"s\"># Enable traceflow which provides packet tracing feature to diagnose network issue.<\/span>\r\n    <span class=\"s\">#  Traceflow: true<\/span>\r\n\r\n    <span class=\"s\"># Enable NodePortLocal feature to make the Pods reachable externally through NodePort<\/span>\r\n    <span class=\"s\">#  NodePortLocal: true<\/span>\r\n\r\n    <span class=\"s\"># Enable Antrea ClusterNetworkPolicy feature to complement K8s NetworkPolicy for cluster admins<\/span>\r\n    <span class=\"s\"># to define security policies which apply to the entire cluster, and Antrea NetworkPolicy<\/span>\r\n    <span class=\"s\"># feature that supports priorities, rule actions and externalEntities in the future.<\/span>\r\n    <span class=\"s\">#  AntreaPolicy: true<\/span>\r\n\r\n<span class=\"s\">(snip...)<\/span>\r\n  <span class=\"s\">antrea-controller.conf<\/span><span class=\"err\">:<\/span> <span class=\"pi\">|<\/span>\r\n    <span class=\"s\"># FeatureGates is a map of feature names to bools that enable or disable experimental features.<\/span>\r\n    <span class=\"s\">featureGates:<\/span>\r\n    <span class=\"s\"># AllAlpha is a global toggle for alpha features. Per-feature key values override the default set by AllAlpha.<\/span>\r\n    <span class=\"s\">#  AllAlpha: false<\/span>\r\n\r\n    <span class=\"s\"># AllBeta is a global toggle for beta features. Per-feature key values override the default set by AllBeta.<\/span>\r\n    <span class=\"s\">#  AllBeta: false<\/span>\r\n\r\n    <span class=\"s\"># Enable traceflow which provides packet tracing feature to diagnose network issue.<\/span>\r\n    <span class=\"s\">#  Traceflow: true<\/span>\r\n\r\n    <span class=\"s\"># Enable Antrea ClusterNetworkPolicy feature to complement K8s NetworkPolicy for cluster admins<\/span>\r\n    <span class=\"s\"># to define security policies which apply to the entire cluster, and Antrea NetworkPolicy<\/span>\r\n    <span class=\"s\"># feature that supports priorities, rule actions and externalEntities in the future.<\/span>\r\n    <span class=\"s\">#  AntreaPolicy: true<\/span>\r\n\r\n<span class=\"s\">(snip...)<\/span>\r\n<\/code><\/pre>\n<h1>\u8bd5\u9a8c Antrea \u96c6\u7fa4\u7f51\u7edc\u7b56\u7565<\/h1>\n<p>\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u5b9e\u9645\u4f7f\u7528Antrea Cluster Network Policy\u6765\u5c1d\u8bd5\u4e00\u4e0b\u3002\u6211\u4e5f\u5e0c\u671b\u770b\u770b\u5b83\u4e0eK8s\u6807\u51c6\u7684NetworkPolicy\u4e4b\u95f4\u7684\u533a\u522b\u3002<\/p>\n<h2>\u90e8\u7f72\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u8981\u90e8\u7f72\u4e00\u4e2a\u7528\u4e8e\u8fdb\u884c\u64cd\u4f5c\u786e\u8ba4\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u4f7f\u7528 Kubernetes \u5b98\u65b9\u6559\u7a0b\u4e2d\u63d0\u4f9b\u7684\u793a\u4f8b\u5e94\u7528 Guestbook\uff0c\u94fe\u63a5\u4e3ahttps:\/\/kubernetes.io\/docs\/tutorials\/stateless-application\/guestbook\/\u3002<\/p>\n<p>\u521b\u5efa\u540d\u4e3aguestbook\u7684\u547d\u540d\u7a7a\u95f4\uff0c\u5e76\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c55\u5f00Guestbook\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code>kubectl apply <span class=\"nt\">-f<\/span> https:\/\/raw.githubusercontent.com\/kubernetes\/website\/main\/content\/en\/examples\/application\/guestbook\/redis-leader-deployment.yaml\r\nkubectl apply <span class=\"nt\">-f<\/span> https:\/\/raw.githubusercontent.com\/kubernetes\/website\/main\/content\/en\/examples\/application\/guestbook\/redis-leader-service.yaml\r\nkubectl apply <span class=\"nt\">-f<\/span> https:\/\/raw.githubusercontent.com\/kubernetes\/website\/main\/content\/en\/examples\/application\/guestbook\/redis-follower-deployment.yaml\r\nkubectl apply <span class=\"nt\">-f<\/span> https:\/\/raw.githubusercontent.com\/kubernetes\/website\/main\/content\/en\/examples\/application\/guestbook\/redis-follower-service.yaml\r\nkubectl apply <span class=\"nt\">-f<\/span> https:\/\/raw.githubusercontent.com\/kubernetes\/website\/main\/content\/en\/examples\/application\/guestbook\/frontend-deployment.yaml\r\nkubectl apply <span class=\"nt\">-f<\/span> https:\/\/raw.githubusercontent.com\/kubernetes\/website\/main\/content\/en\/examples\/application\/guestbook\/frontend-service.yaml\r\n<\/code><\/pre>\n<p>\u5c06\u521b\u5efa\u4e09\u79cd\u7c7b\u578b\u7684\u670d\u52a1\u548c\u5bb9\u5668\uff1a\u524d\u7aef\u3001Redis\u8ddf\u968f\u8005\u548cRedis\u9886\u5bfc\u8005\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl get all <span class=\"nt\">-n<\/span> guestbook\r\n<span class=\"go\">NAME                                  READY   STATUS      RESTARTS   AGE\r\npod\/frontend-767747dfdd-7sl6f         1\/1     Running     0          42m\r\npod\/frontend-767747dfdd-pqvnn         1\/1     Running     0          42m\r\npod\/redis-follower-66497dbb55-4gmqc   1\/1     Running     0          42m\r\npod\/redis-follower-66497dbb55-ksjpl   1\/1     Running     0          42m\r\npod\/redis-leader-6bfcff974b-btvr5     1\/1     Running     0          42m\r\n\r\nNAME                     TYPE           CLUSTER-IP       EXTERNAL-IP    PORT(S)        AGE\r\nservice\/frontend         LoadBalancer   10.103.238.3     172.19.0.212   80:32456\/TCP   42m\r\n<\/span><span class=\"gp\">service\/redis-follower   ClusterIP      10.97.241.156    &lt;none&gt;<\/span>         6379\/TCP       42m\r\n<span class=\"gp\">service\/redis-leader     ClusterIP      10.111.203.236   &lt;none&gt;<\/span>         6379\/TCP       42m\r\n<span class=\"go\">\r\nNAME                             READY   UP-TO-DATE   AVAILABLE   AGE\r\ndeployment.apps\/frontend         2\/2     2            2           42m\r\ndeployment.apps\/redis-follower   2\/2     2            2           42m\r\ndeployment.apps\/redis-leader     1\/1     1            1           42m\r\n\r\nNAME                                        DESIRED   CURRENT   READY   AGE\r\nreplicaset.apps\/frontend-767747dfdd         2         2         2       42m\r\nreplicaset.apps\/redis-follower-66497dbb55   2         2         2       42m\r\nreplicaset.apps\/redis-leader-6bfcff974b     1         1         1       42m\r\n<\/span><\/code><\/pre>\n<p>\u524d\u7aef\u670d\u52a1\u5728\u6559\u7a0b\u4e2d\u7c7b\u578b\u4e3a ClusterIP\uff0c\u4f46\u5728\u8fd9\u91cc\u5c06\u5176\u4fee\u6539\u4e3a LoadBalancer \u7c7b\u578b\uff0c\u5e76\u901a\u8fc7\u5916\u90e8\u8d1f\u8f7d\u5747\u8861\u5668\u5b9e\u73b0\u4ece\u5916\u90e8\u7684\u8fde\u63a5\u3002\u6839\u636e\u4f7f\u7528\u73af\u5883\u8fdb\u884c\u76f8\u5e94\u914d\u7f6e\u3002<br \/>\n\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u7ed3\u6784\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/23-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5f53\u60a8\u8bbf\u95ee\u4ee5\u4e0b\u7684\u7f51\u5740\u65f6\uff0c\u5c06\u4f1a\u663e\u793a\u7559\u8a00\u677f\u7684\u7528\u6237\u754c\u9762\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">http:\/\/172.19.0.212\/\r\n<\/span><\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/26-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4f1a\u5728\u6d88\u606f\u680f\u4e2d\u5199\u4e00\u6761\u6d88\u606f\u3002\u5f53\u6211\u5199\u4e0b&#8221;first message&#8221;\u5e76\u70b9\u51fb\u63d0\u4ea4\u540e\uff0cRedis\u4e2d\u5b58\u50a8\u7684\u6d88\u606f\u5c06\u4f1a\u88ab\u663e\u793a\u5982\u4e0b\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/28-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u68c0\u67e5\u6bcf\u4e2a Pod \u7684\u6807\u7b7e\u8bbe\u7f6e\u3002\u524d\u7aef Pod \u7684\u6807\u7b7e\u8bbe\u7f6e\u4e3aapp: guestbook\uff0c\u5373 frontend\uff1b\u540e\u7aef\u7684 redis-leader \u548c redis-follower \u7684\u6807\u7b7e\u8bbe\u7f6e\u4e3aapp: redis\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5728 NetworkPolicy \u548c Antrea Network Policy \u7684 PodSelector \u8bbe\u7f6e\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u6807\u7b7e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl get pod <span class=\"nt\">-L<\/span><span class=\"o\">=<\/span>app\r\n<span class=\"go\">NAME                              READY   STATUS      RESTARTS   AGE   APP\r\nfrontend-767747dfdd-7sl6f         1\/1     Running     0          43m   guestbook\r\nfrontend-767747dfdd-pqvnn         1\/1     Running     0          43m   guestbook\r\nredis-follower-66497dbb55-4gmqc   1\/1     Running     0          43m   redis\r\nredis-follower-66497dbb55-ksjpl   1\/1     Running     0          43m   redis\r\nredis-leader-6bfcff974b-btvr5     1\/1     Running     0          43m   redis\r\n<\/span><\/code><\/pre>\n<h2>\u7f51\u7edc\u7b56\u7565<\/h2>\n<p>\u5728\u5c1d\u8bd5\u4f7f\u7528Antrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u786e\u8ba4\u4e00\u4e0b\u6807\u51c6\u7684\u7f51\u7edc\u7b56\u7565\u7684\u8fd0\u884c\u60c5\u51b5\u3002<\/p>\n<h3>\u547d\u540d\u7a7a\u95f4\u4e2d\u5bb9\u5668\u4e4b\u95f4\u7684\u63a7\u5236<\/h3>\n<p>\u5c06\u5e94\u7528\u4ee5\u4e0b\u7b56\u7565\uff1a\u8be5\u7b56\u7565\u5141\u8bb8 app: redis Pod \u4e0e\u5177\u6709\u76f8\u540c\u6807\u7b7e\u7684\u5176\u4ed6 Pod \u8fdb\u884c\u901a\u4fe1\uff0c\u4f46\u4e0d\u5141\u8bb8\u4e0e\u5176\u4ed6 Pod \u8fdb\u884c\u901a\u4fe1\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5c06\u963b\u6b62\u524d\u7aef\u524d\u7aef(frontend)\u4e0e\u540e\u7aef(redis)\u4e4b\u95f4\u5728\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u901a\u4fe1\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">NetworkPolicy<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">networking.k8s.io\/v1<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">drop-access-to-redis<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">policyTypes<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"s\">Ingress<\/span>\r\n  <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> np1.yaml\r\n<span class=\"go\">networkpolicy.networking.k8s.io\/drop-access-to-redis created\r\n<\/span><\/code><\/pre>\n<p>\u5f53\u60a8\u518d\u6b21\u8bbf\u95eeGuestbook\u7684URL\u65f6\uff0c\u4e0d\u518d\u663e\u793a\u4ee5\u4e0b\u6d88\u606f\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/38-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u6709\u70b9\u96be\u61c2\uff0c\u4f46\u662f\u7531\u4e8e\u65e0\u6cd5\u8fde\u63a5\u5230Redis\u540e\u7aef\uff0c\u6211\u4eec\u65e0\u6cd5\u8bfb\u53d6\u8bb0\u5f55\u7684\u6d88\u606f\uff0c\u5c31\u50cf\u4e0b\u9762\u7684\u56fe\u4e00\u6837\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/40-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u53ea\u8981\u5220\u9664\u6b64NetworkPolicy\uff0c\u5c31\u53ef\u4ee5\u518d\u6b21\u4eceRedis\u4e2d\u63a5\u6536\u6d88\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl delete <span class=\"nt\">-f<\/span> np1.yaml\r\n<span class=\"go\">networkpolicy.networking.k8s.io \"drop-access-to-redis\" deleted\r\n<\/span><\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/43-0.png\" alt=\"image.png\" \/><\/div>\n<h3>\u5bf9\u6765\u81ea\u5916\u90e8\u7684\u547d\u540d\u7a7a\u95f4\u8bbf\u95ee\u8fdb\u884c\u63a7\u5236<\/h3>\n<p>\u6211\u5011\u5c07\u5275\u5efa\u4e26\u61c9\u7528\u4e00\u500b\u7981\u6b62\u8a2a\u554f\u524d\u7aef\u7559\u8a00\u7c3f\u7684\u7b56\u7565\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">NetworkPolicy<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">networking.k8s.io\/v1<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">drop-access-to-guestbook<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">policyTypes<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"s\">Ingress<\/span>\r\n  <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">guestbook<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">other<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> np2.yaml\r\n<span class=\"go\">networkpolicy.networking.k8s.io\/drop-access-to-guestbook created\r\n<\/span><\/code><\/pre>\n<p>\u7136\u540e\uff0c\u65e0\u6cd5\u8bbf\u95ee\u7559\u8a00\u7c3f\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/49-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u4e8b\u5b9e\u4e0a\uff0c\u7531\u4e8e\u6765\u81ea\u5916\u90e8\u7684\u8fde\u63a5\u53d7\u963b\uff0c\u524d\u7aef\u670d\u52a1\u5668\u7684\u5916\u90e8\u8fde\u63a5\u5df2\u7ecf\u4e2d\u65ad\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/51-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u518d\u6b21\u5220\u9664\u7b56\u7565\u540e\uff0c\u524d\u7aef\u4e5f\u53ef\u4ee5\u8bbf\u95ee\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl delete <span class=\"nt\">-f<\/span> np2.yaml\r\n<span class=\"go\">networkpolicy.networking.k8s.io \"drop-access-to-guestbook\" deleted\r\n<\/span><\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/54-0.png\" alt=\"image.png\" \/><\/div>\n<h3>\u547d\u540d\u7a7a\u9593\u4e4b\u9593\u7684\u63a7\u5236<\/h3>\n<p>\u8fd9\u6b21\u6211\u4eec\u5c06\u786e\u8ba4\u6765\u81ea\u5176\u4ed6\u547d\u540d\u7a7a\u95f4\u7684\u6d41\u91cf\u63a7\u5236\u3002\u4e3a\u4e86\u8fdb\u884c\u8fd9\u4e2a\u6d4b\u8bd5\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a test \u7684\u547d\u540d\u7a7a\u95f4\uff0c\u5e76\u4e3a\u5176\u9644\u4e0a\u4e86\u9879\u76ee\uff1atest \u7684\u6807\u7b7e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl create namespace <span class=\"nb\">test<\/span>\r\n<span class=\"go\">namespace\/test created\r\n<\/span><span class=\"gp\">$<\/span> kubectl label namespace <span class=\"nb\">test <\/span><span class=\"nv\">project<\/span><span class=\"o\">=<\/span><span class=\"nb\">test<\/span>\r\n<span class=\"go\">namespace\/test labeled\r\n<\/span><\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5728 test \u547d\u540d\u7a7a\u95f4\u5185\u521b\u5efa\u7528\u4e8e\u6d4b\u8bd5\u7684 frontend \u5bb9\u5668\u548c\u670d\u52a1\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> https:\/\/raw.githubusercontent.com\/kubernetes\/website\/main\/content\/en\/examples\/application\/guestbook\/frontend-deployment.yaml <span class=\"nt\">-n<\/span> <span class=\"nb\">test<\/span>\r\n<span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> https:\/\/raw.githubusercontent.com\/kubernetes\/website\/main\/content\/en\/examples\/application\/guestbook\/frontend-service.yaml <span class=\"nt\">-n<\/span> <span class=\"nb\">test<\/span>\r\n<span class=\"gp\">$<\/span> kubectl get all <span class=\"nt\">-n<\/span> <span class=\"nb\">test<\/span> <span class=\"nt\">-L<\/span><span class=\"o\">=<\/span>app\r\n<span class=\"go\">NAME                            READY   STATUS      RESTARTS   AGE     APP\r\npod\/frontend-7cc596bb48-dsgds   1\/1     Running     0          9m24s   guestbook\r\npod\/frontend-7cc596bb48-l6wsg   1\/1     Running     0          9m19s   guestbook\r\n\r\nNAME               TYPE           CLUSTER-IP     EXTERNAL-IP    PORT(S)        AGE     APP\r\nservice\/frontend   LoadBalancer   10.105.1.244   172.19.0.217   80:30448\/TCP   9m10s   guestbook\r\n\r\nNAME                       READY   UP-TO-DATE   AVAILABLE   AGE     APP\r\ndeployment.apps\/frontend   2\/2     2            2           9m24s  \r\n\r\nNAME                                  DESIRED   CURRENT   READY   AGE     APP\r\nreplicaset.apps\/frontend-7cc596bb48   2         2         2       9m24s   guestbook\r\n<\/span><\/code><\/pre>\n<p>\u524d\u7aef\u670d\u52a1\u5df2\u88ab\u4fee\u6539\u4e3atype: LoadBalancer\u3002<br \/>\n\u540c\u65f6\uff0c\u5df2\u4fee\u6539\u524d\u7aef\u90e8\u7f72\u7684\u73af\u5883\u53d8\u91cf\uff0c\u4f7f\u5176\u8fde\u63a5\u5230\u5728guestbook\u547d\u540d\u7a7a\u95f4\u4e2d\u521b\u5efa\u7684\u540e\u7aefRedis\uff0c\u5e76\u91cd\u65b0\u542f\u52a8\u3002\u7f16\u8f91\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"s\">(snip...)<\/span>\r\n      <span class=\"s\">- env<\/span><span class=\"err\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">GET_HOSTS_FROM<\/span>\r\n          <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s\">env<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">REDIS_FOLLOWER_SERVICE_HOST<\/span>\r\n          <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis-follower.guestbook.svc.cluster.local<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">REDIS_LEADER_SERVICE_HOST<\/span>\r\n          <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis-leader.guestbook.svc.cluster.local<\/span>\r\n<span class=\"s\">(snip...)<\/span>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4ee5\u4e0b\u7b56\u7565\uff0c\u4ee5\u5141\u8bb8\u5bf9test\u547d\u540d\u7a7a\u95f4\u7684\u8bbf\u95ee\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">NetworkPolicy<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">networking.k8s.io\/v1<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">allow-access-from-other-ns<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">policyTypes<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"s\">Ingress<\/span>\r\n  <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">namespaceSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">project<\/span><span class=\"pi\">:<\/span> <span class=\"s\">test<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> np3.yaml <span class=\"nt\">-n<\/span> guestbook\r\n<span class=\"go\">networkpolicy.networking.k8s.io\/allow-access-from-other-ns created\r\n<\/span><\/code><\/pre>\n<p>\u5728\u6b64\u7b56\u7565\u4e2d\uff0c\u5141\u8bb8\u4ece\u6d4b\u8bd5\u547d\u540d\u7a7a\u95f4\u8bbf\u95ee\u8bbf\u5ba2\u7559\u8a00\u677f\u547d\u540d\u7a7a\u95f4\u7684Redis\u3002\u914d\u7f6e\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/66-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5f53\u4f60\u8bbf\u95eetest\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u524d\u7aef\u670d\u52a1\u65f6\uff0c\u5c06\u663e\u793a\u5305\u542b\u5148\u524d\u5199\u5165\u7684\u6d88\u606f\u7684Guestbook\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">http:\/\/172.19.0.217\/\r\n<\/span><\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/69-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u73b0\u5728\u6211\u4eec\u5c1d\u8bd5\u521b\u5efa\u4ee5\u4e0b\u7684 NetworkPolicy\uff0c\u9650\u5236test\u547d\u540d\u7a7a\u95f4\u4e2d\u7684Pod\u8bbf\u95eeguestbook\u547d\u540d\u7a7a\u95f4\u4e2d\u7684Redis\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">NetworkPolicy<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">networking.k8s.io\/v1<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">drop-access-from-other-ns-pod<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">policyTypes<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"s\">Ingress<\/span>\r\n  <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">namespaceSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">project<\/span><span class=\"pi\">:<\/span> <span class=\"s\">test<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">other<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl delete <span class=\"nt\">-f<\/span> np3.yaml\r\n<span class=\"go\">networkpolicy.networking.k8s.io \"allow-access-from-other-ns\" deleted\r\n<\/span><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> np4.yaml\r\n<span class=\"go\">networkpolicy.networking.k8s.io\/allow-access-from-other-ns created\r\n<\/span><\/code><\/pre>\n<p>\u6211\u539f\u672c\u4ee5\u4e3a\u901a\u8fc7\u547d\u540d\u7a7a\u95f4\u548c Pod \u7684\u7ec4\u5408\u6765\u9650\u5236\u8bbf\u95ee Redis\uff0c\u4f46\u5b9e\u9645\u4e0a\u53ef\u4ee5\u50cf\u4e0b\u9762\u8fd9\u6837\u8bbf\u95ee\u5230 Redis\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/74-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5c31\u50cf\u8fd9\u6837\uff0cNetworkPolicy \u53ef\u4ee5\u5728\u96c6\u7fa4\u5185\u6309\u7167\u6bcf\u4e2a Namespace \u8fdb\u884c\u8bbf\u95ee\u63a7\u5236\uff0c\u4f46\u4e0d\u80fd\u8de8\u8d8a Namespace \u6216\u96c6\u7fa4\u5e94\u7528\u76f8\u540c\u89c4\u5219\u3002\u6b64\u5916\uff0c\u7b56\u7565\u53ea\u80fd\u5141\u8bb8\u89c4\u5219\uff0c\u5e76\u540c\u65f6\u8bb0\u8f7d\u9690\u5f0f\u7684\u62d2\u7edd\u89c4\u5219\u3002\u56e0\u6b64\uff0c\u5b83\u4f3c\u4e4e\u4e0d\u9002\u5408\u7f16\u5199\u7ec6\u5fae\u7684\u62d2\u7edd\u89c4\u5219\u4ee5\u52a0\u5f3a\u5b89\u5168\u6027\u3002<\/p>\n<p>Antrea Cluster Network Policy \u53ef\u4ee5\u5e94\u5bf9\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<h2>\u5b89\u7279\u857e\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\uff08ACNP\uff09<\/h2>\n<p>\u73b0\u5728\u5f00\u59cb\u8bbe\u7f6eAntrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\u3002<br \/>\n\u6700\u8fd1\u7684Antrea\u5df2\u9ed8\u8ba4\u542f\u7528Antrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\uff0c\u56e0\u6b64\u60a8\u53ef\u4ee5\u7acb\u5373\u5f00\u59cb\u8bbe\u7f6e\uff0c\u4f46\u9996\u5148\u6211\u4eec\u9700\u8981\u4e86\u89e3Antrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\u7684\u72ec\u7279\u5c42\u7ea7\u3002<\/p>\n<h3>\u7a0b\u5e8f\u7ed3\u6784<\/h3>\n<p>Tier \u662f\u4e00\u79cd\u6982\u5ff5\uff0c\u7528\u4e8e\u5c42\u6b21\u5316\u7ba1\u7406\u653f\u7b56\u3002\u5f53\u60f3\u8981\u5bf9\u653f\u7b56\u8fdb\u884c\u4f18\u5148\u7ea7\u6392\u5e8f\u65f6\uff0c\u5b83\u975e\u5e38\u6709\u7528\u3002\u5728\u521d\u59cb\u8bbe\u7f6e\u4e2d\uff0cTier \u7684\u8bbe\u7f6e\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl get tier <span class=\"nt\">--sort-by<\/span><span class=\"o\">=<\/span>.spec.priority\r\n<span class=\"go\">NAME          PRIORITY   AGE\r\nemergency     50         37m\r\nsecurityops   100        37m\r\nnetworkops    150        37m\r\nplatform      200        37m\r\napplication   250        37m\r\nbaseline      253        37m\r\n<\/span><\/code><\/pre>\n<p>\u4e0d\u540c\u7684Tier\u7ea7\u522b\u8868\u793a\u4e86\u5b9e\u9645\u5904\u7406\u7684\u4f18\u5148\u7ea7\u3002\u6570\u5b57\u8d8a\u5c0f\uff0c\u4f18\u5148\u7ea7\u8d8a\u9ad8\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u5e0c\u671b\u6700\u4f18\u5148\u5904\u7406\u7684\u7b56\u7565\uff0c\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u4e3a&#8221;emergency&#8221;\uff0c\u8fd9\u6837\u5b83\u5c31\u4f1a\u9996\u5148\u88ab\u5904\u7406\u3002\u5728\u6807\u51c6\u7684NetworkPolicy\u4e2d\u8bbe\u7f6e\u7684\u7b56\u7565\u5c06\u5728application Tier\u4e4b\u540e\u88ab\u5904\u7406\u3002<\/p>\n<p>\u53ef\u4ee5\u81ea\u884c\u521b\u5efaTier\u3002\u4e0b\u9762\u5c06\u4f7f\u7528\u4ee5\u4e0bmanifest\u6587\u4ef6mytier.yaml\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Tier\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Tier<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mytier<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">10<\/span>\r\n  <span class=\"na\">description<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">my<\/span> <span class=\"s\">custom<\/span> <span class=\"s\">tier\"<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> mytier.yaml\r\n<span class=\"go\">tier.crd.antrea.io\/mytier created\r\n<\/span><span class=\"gp\">$<\/span>\r\n<span class=\"gp\">$<\/span> kubectl get tiers <span class=\"nt\">--sort-by<\/span><span class=\"o\">=<\/span>.spec.priority\r\n<span class=\"go\">mytier                        10         36s\r\nemergency                     50         124d\r\nsecurityops                   100        124d\r\nnetworkops                    150        124d\r\nplatform                      200        124d\r\napplication                   250        124d\r\nbaseline                      253        124d\r\n<\/span><\/code><\/pre>\n<h3>\u5e94\u7528 Antrea \u96c6\u7fa4\u7f51\u7edc\u7b56\u7565<\/h3>\n<p>\u73b0\u5728\u6211\u4eec\u5f00\u59cb\u521b\u5efaAntrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\u3002\u9996\u5148\uff0c\u521b\u5efa\u4ee5\u4e0b\u6e05\u5355\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterNetworkPolicy<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">acnp-drop-access-to-redis<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">5<\/span>\r\n  <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">securityops<\/span>\r\n  <span class=\"na\">appliedTo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">action<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Allow<\/span>\r\n      <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">other<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">AllowFromOther<\/span>\r\n      <span class=\"na\">enableLogging<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u4e0e\u6700\u521d\u5728 NetworkPolicy \u4e2d\u521b\u5efa\u7684 np1.yaml \u5f88\u76f8\u4f3c\uff0c\u4f46\u5b9e\u9645\u64cd\u4f5c\u4e0d\u540c\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5e94\u7528\u6b64\u6e05\u5355\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> acnp1.yaml\r\n<span class=\"go\">clusternetworkpolicy.crd.antrea.io\/acnp-drop-access-to-redis created\r\n<\/span><span class=\"gp\">$<\/span> \r\n<span class=\"gp\">$<\/span> kubectl get acnp\r\n<span class=\"go\">NAME                        TIER          PRIORITY   DESIRED NODES   CURRENT NODES   AGE\r\nacnp-drop-access-to-redis   securityops   5          1               1               24s\r\n<\/span><\/code><\/pre>\n<p>\u5373\u4f7f\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b\u8bbf\u95ee\u7559\u8a00\u7c3f\u5e94\u7528\u7a0b\u5e8f\uff0c\u5bf9\u540e\u7aef\u7684\u8bbf\u95ee\u4e5f\u4e0d\u4f1a\u53d7\u963b\uff0c\u6b63\u5e38\u663e\u793a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/91-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5f53\u7f51\u7edc\u7b56\u7565(NetworkPolicy)\u751f\u6548\u540e\uff0c\u9690\u5f0f\u7684Deny\u89c4\u5219\u4f1a\u540c\u65f6\u751f\u6548\uff0c\u672a\u88ab\u660e\u786e\u6388\u6743\u7684\u6d41\u91cf\u5c06\u88ab\u4e22\u5f03\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565(ACNP)\uff0c\u9664\u975e\u660e\u786e\u7f16\u5199Drop\u89c4\u5219\uff0c\u5426\u5219\u6d41\u91cf\u5c06\u88ab\u5141\u8bb8\u901a\u8fc7\u3002<br \/>\n\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\u7684\u7c7b\u578b\u662fClusterNetworkPolicy\uff0c\u4f46\u4e5f\u53ef\u4ee5\u50cf\u4e0a\u8ff0kubectl get acnp\u547d\u4ee4\u4e00\u6837\uff0c\u4f7f\u7528acnp\u7b80\u5199\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<p>\u8fd9\u6b21\uff0c\u6211\u5c06\u4fee\u6539acnp1.yaml\u6587\u4ef6\u5e76\u521b\u5efa\u4ee5\u4e0b\u7684acp11.yaml\u6587\u4ef6\u5e76\u5e94\u7528\u5b83\u3002\u6211\u5c06\u901a\u8fc7podSelector\u660e\u786e\u6307\u5b9a\u6e90Pod\uff0c\u5e76\u5c06\u52a8\u4f5c\u6539\u4e3aDrop\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterNetworkPolicy<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">acnp-drop-access-to-redis<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">5<\/span>\r\n  <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">securityops<\/span>\r\n  <span class=\"na\">appliedTo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">action<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Drop<\/span>\r\n      <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">guestbook<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">DropFromGuestbook<\/span>\r\n      <span class=\"na\">enableLogging<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5011\u4e5f\u5c07\u9019\u500b\u61c9\u7528\u5230\u540c\u6a23\u7684\u60c5\u6cc1\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> acnp11.yaml\r\n<span class=\"go\">clusternetworkpolicy.crd.antrea.io\/acnp-drop-access-to-redis configured\r\n<\/span><\/code><\/pre>\n<p>\u7136\u540e\uff0c\u7531\u4e8e\u5bf9Redis\u7684\u8bbf\u95ee\u53d7\u5230\u963b\u788d\uff0c\u65e0\u6cd5\u663e\u793a\u4ee5\u4e0b\u6d88\u606f\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/98-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u7531\u4e8e\u5728\u4e0a\u8ff0\u6e05\u5355\u4e2d\u8bbe\u7f6e\u4e86 enableLogging: true\uff0c\u6240\u4ee5\u5f53\u4e0e\u6761\u4ef6\u5339\u914d\u7684\u6d41\u91cf\u6d41\u7ecf\u65f6\uff0c\u5c06\u88ab\u8bb0\u5f55\u5728\u6bcf\u4e2a\u8282\u70b9\u7684 \/var\/log\/antrea\/networkpolicy\/np.log \u4e2d\u3002\u5982\u679c\u767b\u5f55\u8282\u70b9\u5e76\u68c0\u67e5\u8be5\u6587\u4ef6\uff0c\u60a8\u4f1a\u6ce8\u610f\u5230\u6700\u540e\u8f93\u51fa\u4e86\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u65e5\u5fd7\u3002<\/p>\n<pre class=\"post-pre\"><code>... \r\n2023\/11\/01 08:02:06.424992 AntreaPolicyIngressRule AntreaClusterNetworkPolicy:acnp-drop-access-to-redis DropFromGuestbook Drop 44900 192.168.1.97 41662 192.168.1.30 6379 TCP 60 &lt;nil&gt;\r\n2023\/11\/01 08:02:07.438157 AntreaPolicyIngressRule AntreaClusterNetworkPolicy:acnp-drop-access-to-redis DropFromGuestbook Drop 44900 192.168.1.97 41662 192.168.1.30 6379 TCP 60 &lt;nil&gt;\r\n2023\/11\/01 08:02:09.453315 AntreaPolicyIngressRule AntreaClusterNetworkPolicy:acnp-drop-access-to-redis DropFromGuestbook Drop 44900 192.168.1.97 41662 192.168.1.30 6379 TCP 60 &lt;nil&gt;\r\n<\/code><\/pre>\n<p>\u6839\u636e DropFromGuestbook \u7684 Drop \u89c4\u5219\uff0c\u6211\u4eec\u5f97\u77e5\u6e90 Pod 192.168.1.97 \u5230\u76ee\u6807 Pod 192.168.1.30 \u7684\u901a\u4fe1\u4ee5\u53ca\u76ee\u6807\u7aef\u53e3\u53f7 6379 \u7684\u901a\u4fe1\u88ab\u4e22\u5f03\u4e86\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u5728\u6b64ACNP\u4e2d\uff0c\u6211\u4eec\u5c06tier\u6307\u5b9a\u4e3asecurityops\uff0c\u5c06priority\u6307\u5b9a\u4e3a5\u3002priority\u8868\u793a\u5728tier\u5185\u90e8\u5904\u7406\u7684\u4f18\u5148\u7ea7\u3002<\/p>\n<p>\u5982\u4e0a\u6240\u8ff0\uff0c\u4e0e\u6807\u51c6\u7684NetworkPolicy\u76f8\u6bd4\uff0c\u6211\u4eec\u6307\u5b9a\u7684securityops Tier\u7684\u7b56\u7565\u5c06\u88ab\u4f18\u5148\u5904\u7406\u3002\u4f8b\u5982\uff0c\u9996\u5148\u5e94\u7528np1.yaml\u5e76\u521b\u5efa\u963b\u788d\u5bf9\u540e\u7aef\u7684\u8bbf\u95ee\u72b6\u6001\uff0c\u7136\u540e\u518d\u5e94\u7528acnp12.yaml\uff0c\u5373\u53ef\u4f18\u5148\u5904\u7406ACNP\u4ee5\u5141\u8bb8\u5bf9\u540e\u7aef\u7684\u8bbf\u95ee\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterNetworkPolicy<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">acnp-allow-access-to-redis<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">5<\/span>\r\n  <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">securityops<\/span>\r\n  <span class=\"na\">appliedTo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">action<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Allow<\/span>\r\n      <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">guestbook<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">AllowFromGuestbook<\/span>\r\n      <span class=\"na\">enableLogging<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> np1.yaml\r\n<span class=\"go\">networkpolicy.networking.k8s.io\/drop-access-to-redis created\r\n<\/span><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> acnp12.yaml\r\n<span class=\"go\">clusternetworkpolicy.crd.antrea.io\/acnp-allow-access-to-redis created\r\n<\/span><span class=\"gp\">$<\/span> kubectl get netpol\r\n<span class=\"go\">NAME                   POD-SELECTOR   AGE\r\ndrop-access-to-redis   app=redis      33s\r\n<\/span><span class=\"gp\">$<\/span> kubectl get acnp\r\n<span class=\"go\">NAME                         TIER          PRIORITY   DESIRED NODES   CURRENT NODES   AGE\r\nacnp-allow-access-to-redis   securityops   5          1               1               18s\r\n<\/span><\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/105-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/106-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u901a\u8fc7\u4f7f\u7528Antrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\uff0c\u60a8\u53ef\u4ee5\u66f4\u6e05\u6670\u5730\u6307\u5b9a\u5b89\u5168\u7b56\u7565\u7684\u53d1\u9001\u6e90\u548c\u76ee\u7684\u5730\uff0c\u6bd4\u8d77\u6807\u51c6\u7684NetworkPolicy\u3002<\/p>\n<h3>ACNP\u63a7\u5236\u547d\u540d\u7a7a\u95f4\u4e4b\u95f4\u7684\u63a7\u5236<\/h3>\n<p>\u6211\u5011\u63a5\u4e0b\u4f86\u8981\u7814\u7a76ACNP\u8de8\u547d\u540d\u7a7a\u9593\u7684\u63a7\u5236\u3002\u5728\u6b64\u4e4b\u524d\uff0c\u8b93\u6211\u5011\u518d\u6b21\u78ba\u8a8d\u4e00\u4e0bK8s NetworkPolicy\u7684\u884c\u70ba\u3002\u5c07\u525b\u624d\u4f7f\u7528\u7684np1.yaml\u62f7\u8c9d\u4e26\u5275\u5efa\u4e00\u500b\u540d\u70banp11.yaml\u7684\u6587\u4ef6\uff0c\u4ee5\u5141\u8a31Guestbook\u61c9\u7528\u7a0b\u5e8f\u4e4b\u9593\u7684\u6d41\u91cf\uff0c\u7136\u5f8c\u61c9\u7528\u6b64\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">kkind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">NetworkPolicy<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">networking.k8s.io\/v1<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">allow-access-from-guestbook-to-redis<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">policyTypes<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"s\">Ingress<\/span>\r\n  <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">guestbook<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> np11.yaml\r\n<span class=\"go\">networkpolicy.networking.k8s.io\/allow-access-from-guestbook-to-redis created\r\n<\/span><\/code><\/pre>\n<p>\u5f53\u524d\uff0c\u5df2\u5728guestbook\u548ctest\u547d\u540d\u7a7a\u95f4\u4e2d\u90e8\u7f72\u7684Pod\u7684\u72b6\u6001\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl get pod <span class=\"nt\">-L<\/span><span class=\"o\">=<\/span>app <span class=\"nt\">-n<\/span> guestbook\r\n<span class=\"go\">NAME                              READY   STATUS    RESTARTS   AGE     APP\r\nfrontend-767747dfdd-hx7xc         1\/1     Running   0          148m    guestbook\r\nfrontend-767747dfdd-mngdm         1\/1     Running   0          148m    guestbook\r\nredis-follower-66497dbb55-ksjpl   1\/1     Running   0          4h13m   redis\r\nredis-follower-66497dbb55-vm75v   1\/1     Running   0          3h16m   redis\r\nredis-leader-85f4588648-2wffl     1\/1     Running   0          3h55m   redis\r\n<\/span><span class=\"gp\">$<\/span> kubectl get pod <span class=\"nt\">-L<\/span><span class=\"o\">=<\/span>app <span class=\"nt\">-n<\/span> <span class=\"nb\">test<\/span>\r\n<span class=\"go\">NAME                        READY   STATUS    RESTARTS   AGE   APP\r\nfrontend-7cc596bb48-dsgds   1\/1     Running   0          94m   guestbook\r\nfrontend-7cc596bb48-l6wsg   1\/1     Running   0          94m   guestbook\r\n<\/span><\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b\uff0c\u5373\u4f7f\u8bbf\u95eetest Namespace\u7684Guestbook\uff0c\u4e5f\u4e0d\u5141\u8bb8\u8bbf\u95eeRedis\uff0c\u56e0\u6b64\u65e0\u6cd5\u83b7\u53d6\u4ee5\u4e0b\u6d88\u606f\u3002\u8fd9\u662f\u56e0\u4e3a\u5728K8s NetworkPolicy\u4e2d\uff0c\u65e0\u6cd5\u8de8\u8d8aNamespace\u4f7f\u7528podSelector\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/115-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/116-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u8ba9\u6211\u4eec\u5728ACNP\u4e0a\u5c1d\u8bd5\u521b\u5efa\u76f8\u4f3c\u7684\u653f\u7b56\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterNetworkPolicy<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">acnp-allow-access-from-guestbook-to-redis<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">5<\/span>\r\n  <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">securityops<\/span>\r\n  <span class=\"na\">appliedTo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">action<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Allow<\/span>\r\n      <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">guestbook<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">AllowFromGuestbook<\/span>\r\n      <span class=\"na\">enableLogging<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> acnp2.yaml\r\n<span class=\"go\">clusternetworkpolicy.crd.antrea.io\/acnp-allow-access-from-guestbook-to-redis created\r\n<\/span><\/code><\/pre>\n<p>\u4e0e np11.yaml \u76f8\u540c\uff0c\u540c\u65f6\u5728 appliedTo \u548c from \u7684 podSelector \u4e2d\u6307\u5b9a\u4e86\u6807\u7b7e app: guestbook\uff0c\u4f46\u672a\u6307\u5b9a\u547d\u540d\u7a7a\u95f4\u3002\u540c\u65f6\uff0c\u4e4b\u524d\u521b\u5efa\u7684 K8s NetworkPolicy \u4e5f\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl get netpol\r\nNAME                                   POD-SELECTOR   AGE\r\nallow-access-from-guestbook-to-redis   app=redis      11m\r\n$ \r\n$ kubectl get acnp\r\nNAME                                        TIER          PRIORITY   DESIRED NODES   CURRENT NODES   AGE\r\nacnp-allow-access-from-guestbook-to-redis   securityops   5          1               1               103s\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u518d\u6b21\u8bbf\u95ee\u6d4b\u8bd5\u65b9\u7684Guestbook\uff0c\u5c06\u4f1a\u5f97\u5230\u4ee5\u4e0b\u7684\u8bb8\u53ef\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/123-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u7531\u4e8e\u4e0eACNP\u7684\u5141\u8bb8\u89c4\u5219\u5339\u914d\u5e76\u8fdb\u884c\u5904\u7406\uff0c\u56e0\u6b64\u8fd8\u4f1a\u8f93\u51fa\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u65e5\u5fd7\u3002<\/p>\n<pre class=\"post-pre\"><code>... \r\n2023\/11\/01 08:15:34.431560 AntreaPolicyIngressRule AntreaClusterNetworkPolicy:acnp-allow-access-from-guestbook-to-redis AllowFromGuestbook Allow 44900 192.168.1.97 59608 192.168.1.41 6379 TCP 60 &lt;nil&gt;\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/126-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5728ACNP\u4e2d\uff0c\u53ef\u4ee5\u8de8\u547d\u540d\u7a7a\u95f4\u5bf9PodSelector\u8fdb\u884c\u8bc4\u4f30\u3002<br \/>\n\u6b64\u5916\uff0cACNP\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528podSelector\u548cnamespaceSelector\u6765\u660e\u786e\u6307\u5b9a\u9002\u7528\u4e8e\u6bcf\u4e2a\u547d\u540d\u7a7a\u95f4\u7684\u76ee\u6807\u5e94\u7528\u548c\u6e90Pod\u3002\u901a\u8fc7\u7f16\u8f91acnp2.yaml\u5e76\u6dfb\u52a0namespaceSelector\u6761\u4ef6\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aacnp21.yaml\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterNetworkPolicy<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">acnp-allow-access-from-guestbook-to-redis<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">5<\/span>\r\n  <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">securityops<\/span>\r\n  <span class=\"na\">appliedTo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis<\/span>\r\n      <span class=\"na\">namespaceSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">project<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prod<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">action<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Allow<\/span>\r\n      <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">guestbook<\/span>\r\n          <span class=\"na\">namespaceSelector<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">project<\/span><span class=\"pi\">:<\/span> <span class=\"s\">test<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">AllowFromGuestbook<\/span>\r\n      <span class=\"na\">enableLogging<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> acnp21.yaml\r\n<span class=\"go\">clusternetworkpolicy.crd.antrea.io\/acnp-allow-access-from-to-guestbook configured\r\n<\/span><\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u4e2a\u4fee\u6b63\uff0c\u63a5\u6536\u65b9\u7684\u547d\u540d\u7a7a\u95f4\u6807\u7b7e\u6761\u4ef6\u4e2d\u6dfb\u52a0\u4e86 project: prod\uff0c\u53d1\u9001\u65b9\u7684\u547d\u540d\u7a7a\u95f4\u6807\u7b7e\u6761\u4ef6\u4e2d\u6dfb\u52a0\u4e86 project: test\u3002\u63a5\u6536\u65b9\u7684 Guestbook Pods \u4f4d\u4e8e guestbook \u547d\u540d\u7a7a\u95f4\u5185\uff0c\u4f46\u56e0\u4e3a\u6ca1\u6709\u6807\u7b7e\uff0c\u6240\u4ee5\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b\u65e0\u6cd5\u4ece test \u65b9\u9762\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/131-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u56e0\u6b64\uff0c\u5728guestbook\u547d\u540d\u7a7a\u95f4\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u6807\u7b7e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl label ns guestbook <span class=\"nv\">project<\/span><span class=\"o\">=<\/span>prod\r\n<span class=\"go\">namespace\/guestbook labeled\r\n<\/span><span class=\"gp\">$<\/span>kubectl get ns <span class=\"nt\">-L<\/span><span class=\"o\">=<\/span>project\r\n<span class=\"go\">NAME                   STATUS   AGE     PROJECT\r\ndefault                Active   125d    \r\nguestbook              Active   6d23h   prod\r\nkube-node-lease        Active   125d    \r\nkube-public            Active   125d    \r\nkube-system            Active   125d    \r\ntest                   Active   23h     test\r\n<\/span><\/code><\/pre>\n<p>\u7136\u540e\uff0c\u901a\u8fc7\u6d4b\u8bd5\u547d\u540d\u7a7a\u95f4\u5185\u7684Guestbook\uff0c\u53ef\u4ee5\u8bbf\u95ee\u5230guestbook\u547d\u540d\u7a7a\u95f4\u5185\u7684Redis\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/135-0.png\" alt=\"image.png\" \/><\/div>\n<pre class=\"post-pre\"><code>... \r\n2023\/11\/01 08:28:16.723581 AntreaPolicyIngressRule AntreaClusterNetworkPolicy:acnp-allow-access-from-guestbook-to-redis AllowFromGuestbook Allow 44900 192.168.1.71 49126 192.168.1.30 6379 TCP 60 &lt;nil&gt;\r\n<\/code><\/pre>\n<p>\u5728Antrea Cluster Network Policy\u4e2d\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e0d\u9650\u4e8eNamespace\u7684\u96c6\u7fa4\u7ea7\u7f51\u7edc\u7b56\u7565\u3002\u96c6\u7fa4\u7ba1\u7406\u5458\u53ef\u4ee5\u8bbe\u7f6e\u4e0eNamespace\u65e0\u5173\u7684\u96c6\u7fa4\u7ea7\u5b89\u5168\u7b56\u7565\u3002<\/p>\n<h2>\u805a\u7c7b\u7fa4\u7ec4 (j\u00f9 l\u00e8 z\u01d4)<\/h2>\n<p>ClusterGroup \u662f ACNP \u7684\u4e00\u4e2a\u7279\u5f81\u529f\u80fd\uff0c\u53ef\u4ee5\u5728 NetworkPolicy \u4e4b\u5916\u521b\u5efa\u548c\u91cd\u590d\u4f7f\u7528\u7528\u4e8e\u5bf9\u7ec8\u7aef\u70b9\u8fdb\u884c\u5206\u7ec4\u7684\u89c4\u5219\u3002\u9664\u4e86\u4e4b\u524d\u4ecb\u7ecd\u7684 podSelector\u3001namespaceSelector \u548c\u719f\u6089\u7684 ipBlock \u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528 serviceReference \u548c\u5b9a\u4e49\u5d4c\u5957\u7ed3\u6784\u7684 childGroups \u6765\u5b9a\u4e49 K8s Service \u7684\u89c4\u5219\u548c\u5206\u7ec4\u3002<\/p>\n<p>\u5728\u521b\u5efa\u4f7f\u7528ClusterGroup\u7684\u89c4\u5219\u4e4b\u524d\uff0c\u9996\u5148\u5220\u9664\u60a8\u4e4b\u524d\u521b\u5efa\u7684\u6240\u6709\u7b56\u7565\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl get networkpolicy <span class=\"nt\">--no-headers<\/span> | <span class=\"nb\">awk<\/span> <span class=\"s1\">'{print $1}'<\/span>| xargs kubectl delete networkpolicy\r\n<span class=\"go\">networkpolicy.networking.k8s.io \"allow-access-from-guestbook-to-redis\" deleted\r\n<\/span><span class=\"gp\">$<\/span> \r\n<span class=\"gp\">$<\/span> kubectl get acnp <span class=\"nt\">--no-headers<\/span> | <span class=\"nb\">awk<\/span> <span class=\"s1\">'{print $1}'<\/span>| xargs kubectl delete acnp\r\n<span class=\"go\">clusternetworkpolicy.crd.antrea.io \"acnp-allow-access-from-guestbook-to-redis\" deleted\r\n<\/span><\/code><\/pre>\n<p>\u4e3a\u4e86\u7981\u6b62\u5bf9guestbook\u547d\u540d\u7a7a\u95f4\u5185Pod\u7684\u6240\u6709\u6d41\u91cf\uff0c\u6211\u4eec\u521b\u5efa\u5e76\u5e94\u7528\u4ee5\u4e0b\u7684acnp-dropany.yaml\u6587\u4ef6\u3002\u6307\u5b9a\u5c06\u5176\u5e94\u7528\u4e8e\u57fa\u51c6Tier\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8be5\u89c4\u5219\u5c06\u5728\u8bc4\u4f30\u5305\u62ecK8s NetworkPolicy\u7684\u6240\u6709\u7b56\u7565\u89c4\u5219\u4e4b\u540e\u5e94\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterNetworkPolicy<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">acnp-drop-any-in-production<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">100<\/span>\r\n  <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">baseline<\/span>\r\n  <span class=\"na\">appliedTo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">{}<\/span>\r\n      <span class=\"na\">namespaceSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">project<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prod<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">action<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Drop<\/span>\r\n      <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">{}<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">DropFromAny<\/span>\r\n      <span class=\"na\">enableLogging<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span> \r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> acnp-dropany.yaml\r\n<span class=\"go\">clusternetworkpolicy.crd.antrea.io\/acnp-drop-any-in-production created\r\n<\/span><\/code><\/pre>\n<p>\u7531\u4e8e\u7981\u6b62\u4e86\u6240\u6709Pod\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u56e0\u6b64\u65e0\u6cd5\u8fdb\u884cGuestbook\u5e94\u7528\u7a0b\u5e8f\u524d\u7aef\u548cRedis\u540e\u7aef\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/146-0.png\" alt=\"image.png\" \/><\/div>\n<pre class=\"post-pre\"><code>... \r\n2023\/11\/01 08:31:25.542766 IngressDefaultRule AntreaClusterNetworkPolicy:acnp-drop-any-in-production DropFromAny Drop 16 192.168.1.92 44850 192.168.1.30 6379 TCP 60 &lt;nil&gt;\r\n2023\/11\/01 08:31:26.573559 IngressDefaultRule AntreaClusterNetworkPolicy:acnp-drop-any-in-production DropFromAny Drop 16 192.168.1.92 44850 192.168.1.30 6379 TCP 60 &lt;nil&gt;\r\n2023\/11\/01 08:31:28.589537 IngressDefaultRule AntreaClusterNetworkPolicy:acnp-drop-any-in-production DropFromAny Drop 16 192.168.1.92 44850 192.168.1.30 6379 TCP 60 &lt;nil&gt;\r\n<\/code><\/pre>\n<p>\u56e0\u6b64\uff0c\u6211\u5011\u5c07\u8a18\u8f09\u5141\u8a31\u524d\u7aef\u548c\u5f8c\u7aef\u4e4b\u9593\u901a\u8a0a\u7684\u653f\u7b56\uff0c\u4e26\u5728\u6b64\u4f7f\u7528 ClusterGroup\u3002\u6211\u5011\u5c07\u4f7f\u7528 serviceReference \u548c childGroups \u4f86\u5c0d Redis \u5f8c\u7aef\u670d\u52d9\u9032\u884c\u5206\u7d44\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha3<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterGroup<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cg-guestbook<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">guestbook<\/span>\r\n<span class=\"nn\">---<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha3<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterGroup<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cg-redis-leader<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">serviceReference<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis-leader<\/span>\r\n    <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">guestbook<\/span>\r\n<span class=\"nn\">---<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha3<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterGroup<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cg-redis-follower<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">serviceReference<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">redis-follower<\/span>\r\n    <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">guestbook<\/span>\r\n<span class=\"nn\">---<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha3<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterGroup<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cg-redis-nested<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">childGroups<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">[<\/span><span class=\"nv\">cg-redis-leader<\/span><span class=\"pi\">,<\/span> <span class=\"nv\">cg-redis-follower<\/span><span class=\"pi\">]<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> cg1.yaml\r\n<span class=\"go\">clustergroup.crd.antrea.io\/cg-guestbook created\r\nclustergroup.crd.antrea.io\/cg-redis-leader created\r\nclustergroup.crd.antrea.io\/cg-redis-follower created\r\nclustergroup.crd.antrea.io\/cg-redis-nested created\r\n<\/span><\/code><\/pre>\n<p>\u4e0b\u4e00\u6b65\u5c06\u4f7f\u7528\u8fd9\u4e9b ClusterGroup \u521b\u5efa\u4e00\u4e2a\u540d\u4e3a acnp3.yaml \u7684 ACNP\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterNetworkPolicy<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">acnp-allow-access-to-guestbook<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">5<\/span>\r\n  <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">securityops<\/span>\r\n  <span class=\"na\">appliedTo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">group<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">cg-guestbook\"<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">action<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Allow<\/span>\r\n      <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">group<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">cg-guestbook\"<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">AllowToGuestbook<\/span>\r\n      <span class=\"na\">enableLogging<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span>\r\n<span class=\"nn\">---<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterNetworkPolicy<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">acnp-allow-access-to-redis<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">5<\/span>\r\n  <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">securityops<\/span>\r\n  <span class=\"na\">appliedTo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">group<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">cg-redis-nested\"<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">action<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Allow<\/span>\r\n      <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">group<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">cg-guestbook\"<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">AllowFromGuestbookToRedis<\/span>\r\n      <span class=\"na\">enableLogging<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span>\r\n<span class=\"nn\">---<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterNetworkPolicy<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">acnp-allow-access-to-redis-follower<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">5<\/span>\r\n  <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">securityops<\/span>\r\n  <span class=\"na\">appliedTo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">group<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">cg-redis-follower\"<\/span>\r\n  <span class=\"na\">ingress<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">action<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Allow<\/span>\r\n      <span class=\"na\">from<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">group<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">cg-redis-leader\"<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">AllowToRedisFollower<\/span>\r\n      <span class=\"na\">enableLogging<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span> \r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> acnp3.yaml\r\n<span class=\"go\">clusternetworkpolicy.crd.antrea.io\/acnp-allow-access-to-guestbook created\r\nclusternetworkpolicy.crd.antrea.io\/acnp-allow-access-to-redis created\r\nclusternetworkpolicy.crd.antrea.io\/acnp-allow-access-to-redis-follower created\r\n<\/span><\/code><\/pre>\n<p>\u5f53\u4f60\u4ece\u6d4f\u89c8\u5668\u8bbf\u95ee\u65f6\uff0c\u73b0\u5728\u5df2\u7ecf\u5141\u8bb8\u8bbf\u95eeRedis\u540e\u53f0\uff0c\u5e76\u6b63\u5e38\u8fd4\u56de\u54cd\u5e94\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d188037434c4406c06af1\/155-0.png\" alt=\"image.png\" \/><\/div>\n<pre class=\"post-pre\"><code>... \r\n2023\/11\/01 08:33:32.281153 AntreaPolicyIngressRule AntreaClusterNetworkPolicy:acnp-allow-access-to-redis AllowFromGuestbookToRedis Allow 44900 192.168.1.92 35194 192.168.1.30 6379 TCP 60 &lt;nil&gt;\r\n<\/code><\/pre>\n<p>\u60a8\u89c9\u5f97\u5982\u4f55\u5462\uff1f\u5728Antrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\u4e2d\uff0c\u60a8\u662f\u5426\u7406\u89e3\u4e86\u53ef\u4ee5\u5728\u96c6\u7fa4\u7ea7\u522b\u4e0a\u5b9e\u73b0\u7075\u6d3b\u7684\u7aef\u70b9\u5206\u7ec4\u7684\u529f\u80fd\u5462\uff1f<\/p>\n<h2>FQDN\u8fc7\u6ee4<\/h2>\n<p>FQDN\uff08Fully Qualified Domain Name\uff09\u8fc7\u6ee4\u662f\u4e00\u79cd\u5728 Pod \u5bf9\u5916\u90e8\u901a\u4fe1\u4e2d\uff0c\u901a\u8fc7\u6307\u5b9a\u901a\u4fe1\u76ee\u6807\u7684\u5b8c\u5168\u4fee\u9970\u57df\u540d\uff08FQDN\uff09\u6765\u63a7\u5236\u4e0e\u7279\u5b9a\u57df\u540d\u7684\u901a\u4fe1\u7684\u673a\u5236\u3002\u53ef\u4ee5\u5728 ACNP\uff08Antrea Cluster Network Policy\uff09\u7684 egress \u89c4\u5219\u4e2d\u4f7f\u7528\u3002\u4e0e FQDN \u8fdb\u884c\u5339\u914d\u53ef\u4ee5\u4f7f\u7528\u5b8c\u5168\u5339\u914d\u548c\u4f7f\u7528\u901a\u914d\u7b26\u7684\u90e8\u5206\u5339\u914d\u3002\u5c06 FQDN \u4e0e\u5b9e\u9645\u901a\u4fe1\u4e2d\u4f7f\u7528\u7684 IP \u5730\u5740\u8fdb\u884c\u5173\u8054\uff0c\u662f\u901a\u8fc7\u68c0\u67e5 Pod \u7684 DNS \u67e5\u8be2\u6765\u5b8c\u6210\u7684\u3002<\/p>\n<p>\u73b0\u5728\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528 FQDN \u8fc7\u6ee4\u3002\u8bf7\u5220\u9664\u4e4b\u524d\u521b\u5efa\u7684\u6240\u6709 NetworkPolicy \u548c ACNP\u3002\u63a5\u4e0b\u6765\uff0c\u8bf7\u521b\u5efa\u5e76\u5e94\u7528\u4ee5\u4e0b\u6e05\u5355\uff0c\u4ee5\u62d2\u7edd guestbook \u547d\u540d\u7a7a\u95f4\u7684\u6240\u6709\u51fa\u53e3\u6d41\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterNetworkPolicy<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">acnp-reject-egress-in-production<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">100<\/span>\r\n  <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">baseline<\/span>\r\n  <span class=\"na\">appliedTo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">{}<\/span>\r\n      <span class=\"na\">namespaceSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">project<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prod<\/span>\r\n  <span class=\"na\">egress<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">action<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Reject<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">RejectToAny<\/span>\r\n      <span class=\"na\">enableLogging<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> acnp-reject-egress.yaml\r\n<span class=\"go\">clusternetworkpolicy.crd.antrea.io\/acnp-reject-egress-in-production created\r\n<\/span><\/code><\/pre>\n<p>\u5982\u679c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4ece\u524d\u7aef Pod \u5c1d\u8bd5\u8bbf\u95ee www.google.com\uff0c\u5219\u4f1a\u88ab\u62d2\u7edd\u8bbf\u95ee\uff0c\u62d2\u7edd\u7684\u65b9\u5f0f\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl <span class=\"nb\">exec <\/span>frontend-767747dfdd-5896s <span class=\"nt\">-it<\/span> <span class=\"nt\">--<\/span> curl <span class=\"nt\">-o<\/span> tempfile www.google.com\r\n<span class=\"go\">curl: (7) Failed to connect to www.google.com port 80: Connection refused\r\ncommand terminated with exit code 7\r\n<\/span><\/code><\/pre>\n<p>\u7531\u65bc\u5728\u9019\u88e1\u61c9\u7528\u7684\u6e05\u55ae\u4e2d\uff0c\u5c07\u64cd\u4f5c\u8a2d\u7f6e\u70ba Reject\uff0c\u56e0\u6b64TCP\u9023\u63a5\u5c07\u88abAntrea\u62d2\u7d55\uff0c\u9023\u63a5\u5c07\u7acb\u5373\u5931\u6557\u3002\u62d2\u7d55\u64cd\u4f5c\u7684\u8a73\u7d30\u4fe1\u606f\u5c07\u88ab\u8f38\u51fa\u5230\u65e5\u8a8c\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>...\r\n2023\/11\/01 10:41:36.949294 EgressDefaultRule AntreaClusterNetworkPolicy:acnp-reject-egress-in-production RejectToAny Reject 16 192.168.1.97 45020 172.217.26.228 80 TCP 60 &lt;nil&gt;\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u5e76\u5e94\u7528\u4e00\u4e2a\u7c7b\u4f3c\u4e0b\u9762\u7684\u6e05\u5355\uff0c\u4ee5\u5141\u8bb8\u5bf9google.com\u57df\u540d\u8fdb\u884c\u8bbf\u95ee\u3002\u901a\u8fc7\u5728\u5141\u8bb8\u89c4\u5219\u4e2d\u6307\u5b9afqdn: &#8220;*google.com&#8221;\uff0c\u5c06\u5141\u8bb8\u5bf9google.com\u7684\u6240\u6709\u4e3b\u673a\u548c\u5b50\u57df\u540d\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">crd.antrea.io\/v1alpha1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ClusterNetworkPolicy<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">acnp-fqdn-allow-google<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">priority<\/span><span class=\"pi\">:<\/span> <span class=\"m\">5<\/span>\r\n  <span class=\"na\">appliedTo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">podSelector<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">{}<\/span>\r\n      <span class=\"na\">namespaceSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">project<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prod<\/span>\r\n  <span class=\"na\">egress<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">action<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Allow<\/span>\r\n    <span class=\"na\">to<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">fqdn<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">*google.com\"<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">AllowToGoogle<\/span>\r\n    <span class=\"na\">enableLogging<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> acnp-allow-google.yaml\r\n<span class=\"go\">clusternetworkpolicy.crd.antrea.io\/acnp-fqdn-allow-google created\r\n<\/span><\/code><\/pre>\n<p>\u5f53\u4ece\u524d\u7aef Pod \u518d\u6b21\u8bbf\u95ee www.google.com \u65f6\uff0c\u5c06\u88ab\u6388\u6743\u5982\u4e0b\u60c5\u51b5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl <span class=\"nb\">exec <\/span>frontend-767747dfdd-5896s <span class=\"nt\">-it<\/span> <span class=\"nt\">--<\/span> curl <span class=\"nt\">-o<\/span> tempfile www.google.com\r\n<span class=\"go\">  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current\r\n                                 Dload  Upload   Total   Spent    Left  Speed\r\n100 19602    0 19602    0     0  98010      0 --:--:-- --:--:-- --:--:-- 98010\r\n<\/span><\/code><\/pre>\n<pre class=\"post-pre\"><code>...\r\n2023\/11\/01 10:56:56.359560 AntreaPolicyEgressRule AntreaClusterNetworkPolicy:acnp-fqdn-allow-google AllowToGoogle Allow 14500 192.168.1.97 45802 172.217.26.228 80 TCP 60 &lt;nil&gt;\r\n<\/code><\/pre>\n<p>\u6b64\u65f6\uff0cACNP \u5df2\u7ecf\u5904\u4e8e\u4ee5\u4e0b\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> kubectl get acnp\r\n<span class=\"go\">NAME                               TIER          PRIORITY   DESIRED NODES   CURRENT NODES   AGE\r\nacnp-fqdn-allow-google             application   5          1               1               6m5s\r\nacnp-reject-egress-in-production   baseline      100        1               1               26m\r\n<\/span><\/code><\/pre>\n<p>\u7531\u4e8e\u5c06\u5141\u8bb8\u8fde\u63a5\u5230Google\u57df\u7684\u7b56\u7565\u8bbe\u7f6e\u4e3a\u6bd4Reject\u7b56\u7565\u7684\u5e94\u7528\u5c42\u5177\u6709\u66f4\u9ad8\u7684\u4f18\u5148\u7ea7\uff0c\u56e0\u6b64\u53ef\u77e5\u5176\u5c06\u5148\u8fdb\u884c\u8bc4\u4f30\u3002<\/p>\n<hr \/>\n<p>\u6211\u5e0c\u671b\u5728\u63a5\u4e0b\u6765\u7684\u4f1a\u8bae\u4e2d\u80fd\u591f\u66f4\u8be6\u7ec6\u5730\u4ecb\u7ecdAntrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\u7684\u64cd\u4f5c\u65b9\u6cd5\u7b49\u5185\u5bb9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Antrea \u662f\u4ec0\u4e48\uff1f Antrea \u662f\u4e00\u4e2a\u5f00\u6e90\u7684 Kubernetes CNI\uff0c\u4e3a Kubernetes \u96c6 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-33574","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528Antrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\u6765\u5e94\u7528\u9ad8\u7ea7\u7f51\u7edc\u7b56\u7565 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528antrea\u96c6\u7fa4\u7f51\u7edc\u7b56\u7565\u6765\u5e94\u7528\u9ad8\u7ea7\u7f51\u7edc\u7b56\u7565\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" 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