{"@attributes":{"version":"2.0"},"channel":{"title":"cloud-native on \u95f2\u6563\u5de5\u7a0b\u5e08\u7b14\u8bb0","link":"https:\/\/open-native.com\/tags\/cloud-native\/","description":"Recent content in cloud-native on \u95f2\u6563\u5de5\u7a0b\u5e08\u7b14\u8bb0","generator":"Hugo -- gohugo.io","language":"zh-cn","lastBuildDate":"Mon, 24 Apr 2023 22:27:50 +0800","item":[{"title":"Kubernetes Labels And Annotatios","link":"https:\/\/open-native.com\/article\/kubernetes-labels\/","pubDate":"Mon, 24 Apr 2023 22:27:50 +0800","guid":"https:\/\/open-native.com\/article\/kubernetes-labels\/","description":"In Kubernetes, you can use labels to assign key-value pairs to any resources.\nLabels are ubiquitous and necessary to everyday operations such as creating services.\nHowever, how should you name and use those labels?\nLet’s start with the basics\nAny resource in Kubernetes can have labels\nSome labels are vital (e.g. service’s selector, operators, etc.), and others are useful to tag resources (e.g. labelling a deployment)\nKubectl offers a --show-labels flag to help you list resources and their labels"},{"title":"Kubernetes Security Pratices","link":"https:\/\/open-native.com\/article\/kubernetes-security-pratices\/","pubDate":"Sat, 22 Apr 2023 21:51:31 +0800","guid":"https:\/\/open-native.com\/article\/kubernetes-security-pratices\/","description":"In this video I talk about a super important topic, which is security in Kubernetes and what are some of the best practices for securing your Kubernetes cluster.\nThe big challenge that we see in terms of Kubernetes security is that it’s already so challenging to set up a Kubernetes cluster and to configure it to deploy the applications in it, that security often becomes the afterthought, adding on top of that already complex configuration."},{"title":"Kubernetes\u96c6\u7fa4\u5747\u8861\u5668-Descheduler","link":"https:\/\/open-native.com\/article\/descheduler\/","pubDate":"Wed, 12 Apr 2023 22:39:38 +0800","guid":"https:\/\/open-native.com\/article\/descheduler\/","description":"

\u96c6\u7fa4\u5747\u8861\u5668\u7684\u5fc5\u8981\u6027<\/h3>\n

\u4ece kube-scheduler<\/code> \u7684\u89d2\u5ea6\u6765\u770b\uff0c\u5b83\u901a\u8fc7\u5404\u79cd\u7b97\u6cd5\u8ba1\u7b97\u51fa\u6700\u4f73\u8282\u70b9\u53bb\u8fd0\u884c Pod \u662f\u975e\u5e38\u5b8c\u7f8e\u7684\uff0c\u5f53\u51fa\u73b0\u65b0\u7684 Pod \u8fdb\u884c\u8c03\u5ea6\u65f6\uff0c\u8c03\u5ea6\u7a0b\u5e8f\u4f1a\u6839\u636e\u5176\u5f53\u65f6\u5bf9 Kubernetes \u96c6\u7fa4\u7684\u8d44\u6e90\u63cf\u8ff0\u505a\u51fa\u6700\u4f73\u8c03\u5ea6\u51b3\u5b9a\u3002\u4f46\u662f Kubernetes \u96c6\u7fa4\u662f\u52a8\u6001\u7684\uff0c\u96c6\u7fa4\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u5c31\u4f1a\u51fa\u73b0\u4e0d\u5747\u8861\u7684\u72b6\u6001\uff0c\u4f8b\u5982\u65b0\u8282\u70b9\u4e0a\u7ebf\u4e0e\u6545\u969c\u8282\u70b9\u4e0b\u7ebf\uff0c\u6216\u8005\u8282\u70b9\u7ef4\u62a4\uff0c\u9700\u8981\u5148\u6267\u884c\u8282\u70b9\u6392\u6c34\uff0c\u4f46\u662f\u7ef4\u62a4\u5b8c\u6210\u540e\uff0c\u4e4b\u524d\u7684 Pod \u5e76\u4e0d\u4f1a\u81ea\u52a8\u56de\u5230\u8be5\u8282\u70b9\u4e0a\u6765\uff0c\u56e0\u4e3a Pod \u4e00\u65e6\u88ab\u7ed1\u5b9a\u4e86\u8282\u70b9\u662f\u4e0d\u4f1a\u89e6\u53d1\u91cd\u65b0\u8c03\u5ea6\u7684\uff1b\u53c8\u6216\u8005\u4f8b\u5982\u8282\u70b9\u4e0a pod \u5229\u7528\u7387\u7684\u53d8\u5316\u5bfc\u81f4\u67d0\u4e9b\u8282\u70b9\u5229\u7528\u7387\u8fc7\u4f4e\u6216\u8005\u8fc7\u9ad8\uff1b\u8282\u70b9\u6807\u7b7e\u53d8\u5316\u5bfc\u81f4 pod \u7684\u4eb2\u548c\u7b56\u7565\u4e0d\u6ee1\u8db3\u8981\u6c42\u7b49\u7b49\uff0ckubernetes \u96c6\u7fa4\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u5c31\u51fa\u73b0\u4e86\u4e0d\u5747\u8861\u7684\u72b6\u6001\uff0c\u6240\u4ee5\u9700\u8981\u5747\u8861\u5668\u6765\u91cd\u65b0\u5e73\u8861\u96c6\u7fa4\u3002<\/p>\n

Descheduler \u7ec4\u4ef6\u7b80\u4ecb<\/h3>\n

Kubernetes Descheduler \u7ec4\u4ef6\u662f\u4e00\u4e2a\u53ef\u9009\u7684 Kubernetes \u63d2\u4ef6\uff0c\u7528\u4e8e\u81ea\u52a8\u5316 Kubernetes \u96c6\u7fa4\u4e2d\u8282\u70b9\u7684\u8c03\u5ea6\u548c\u4f18\u5316\u3002\u5b83\u7684\u4e3b\u8981\u76ee\u7684\u662f\u89e3\u51b3 Kubernetes \u96c6\u7fa4\u4e2d\u8282\u70b9\u8d44\u6e90\u5229\u7528\u7387\u4e0d\u9ad8\u7684\u95ee\u9898\uff0c\u901a\u8fc7\u5728\u96c6\u7fa4\u4e2d\u8c03\u5ea6\u548c\u5254\u9664\u7a7a\u95f2\u6216\u4f4e\u8d1f\u8f7d\u8282\u70b9\u6765\u4f18\u5316\u96c6\u7fa4\u7684\u8d44\u6e90\u5229\u7528\u7387\u3002<\/p>\n

\u5177\u4f53\u6765\u8bf4\uff0cDescheduler \u901a\u8fc7\u5468\u671f\u6027\u68c0\u67e5 Kubernetes \u96c6\u7fa4\u4e2d\u7684\u8282\u70b9\u8d1f\u8f7d\u60c5\u51b5\uff0c\u7136\u540e\u6839\u636e\u7528\u6237\u5b9a\u4e49\u7684\u7b56\u7565\u6765\u5224\u65ad\u54ea\u4e9b\u8282\u70b9\u9700\u8981\u5254\u9664\u6216\u8fc1\u79fb\u3002\u5b83\u53ef\u4ee5\u8bc6\u522b\u90a3\u4e9b\u8d1f\u8f7d\u8f83\u4f4e\u7684\u8282\u70b9\uff0c\u5e76\u5c06\u5176\u4e0e\u5176\u4ed6\u8282\u70b9\u8fdb\u884c\u5408\u5e76\uff0c\u4ece\u800c\u4f7f\u8282\u70b9\u7684\u8d44\u6e90\u5229\u7528\u7387\u66f4\u9ad8\u3002<\/p>\n

\u6b64\u5916\uff0cDescheduler \u8fd8\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u9884\u9632\u8282\u70b9\u6545\u969c\u3002\u5f53\u4e00\u4e2a\u8282\u70b9\u51fa\u73b0\u95ee\u9898\u65f6\uff0cDescheduler \u53ef\u4ee5\u81ea\u52a8\u5c06\u8be5\u8282\u70b9\u4e0a\u7684 Pod \u8fc1\u79fb\u5230\u5176\u4ed6\u8282\u70b9\u4e0a\uff0c\u4ee5\u786e\u4fdd Kubernetes \u96c6\u7fa4\u7684\u9ad8\u53ef\u7528\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>"},{"title":"ISTIO Mixer \u7ec4\u4ef6\u67b6\u6784\u8be6\u89e3","link":"https:\/\/open-native.com\/article\/mixer-intro\/","pubDate":"Sat, 08 Apr 2023 21:29:24 +0800","guid":"https:\/\/open-native.com\/article\/mixer-intro\/","description":"

Mixer\u662fIstio\u53e6\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u7ec4\u4ef6\uff0c\u4e3b\u8981\u804c\u8d23\u5c31\u662f\u8d1f\u8d23\u63d0\u4f9b\u7b56\u7565\u63a7\u5236\u548c\u9065\u6d4b\u7edf\u8ba1\u3002<\/p>\n

1. Mixer\u6574\u4f53\u67b6\u6784\u8be6\u89e3<\/h3>\n

Mixer\u6574\u4f53\u67b6\u6784\uff1a\n\"Mixer\u67b6\u6784\u56fe\"<\/p>\n

\u5728\u670d\u52a1\u95f4\u8fdb\u884c\u8bf7\u6c42\u8f6c\u53d1\u65f6\uff0cEnvoy\u5bf9Mixer\u53d1\u8d77Check\u3001Report\u8fd9\u4e24\u6b21\u8bf7\u6c42\uff0c\u5373\u5728\u8f6c\u53d1\u8bf7\u6c42\u524d\u8bf7\u6c42Mixer\u6267\u884c\u8bbf\u95ee\u7b56\u7565\u7684\u7ba1\u7406\u914d\u989d\uff0c\u5e76\u5728\u8bf7\u6c42\u8f6c\u53d1\u540e\u4e0a\u62a5\u8981\u9065\u6d4b\u6570\u636e\u3002<\/p>"},{"title":"Cilium Network Policy\u5b9e\u8df5","link":"https:\/\/open-native.com\/article\/cilium-network-policy\/","pubDate":"Thu, 06 Apr 2023 15:55:09 +0800","guid":"https:\/\/open-native.com\/article\/cilium-network-policy\/","description":"

\u4e3a\u4ec0\u4e48\u9700\u8981Networkpolicy<\/h3>\n

Networkpolicy\u53ef\u4ee5\u63a7\u5236\u8fdb\u51fapod\u7684\u7f51\u7edc\u6d41\u91cf\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2apod\u90fd\u53ef\u4ee5\u76f8\u4e92\u901a\u4fe1\u3002\u5f53\u4f60\u60f3\u8981\u963b\u6b62\u67d0\u4e9b\u5fae\u670d\u52a1\u76f8\u4e92\u901a\u4fe1\u65f6\uff0c\u7f51\u7edc\u7b56\u7565\u5c31\u4f1a\u6d3e\u4e0a\u7528\u573a\uff0c\u7279\u522b\u662f\u5f53\u4f60\u4e0e\u5176\u4ed6\u56e2\u961f\u5728\u5171\u4eab\u96c6\u7fa4\u4e2d\u5de5\u4f5c\u65f6\u3002\u8fd9\u4f7f\u60a8\u7684\u5fae\u670d\u52a1\u5728\u591a\u79df\u6237\u73af\u5883\u4e2d\u66f4\u5177\u6709\u9694\u79bb\u6027\u3002
\n\u5173\u4e8eNetworkpolicy\u7684\u4e00\u4e9b\u57fa\u7840\u77e5\u8bc6\uff0c\u53ef\u4ee5\u53c2\u7167\u6587\u7ae0\uff1aKubernetes NetworkPolicy\u5b9e\u8df5\u6307\u5357<\/a><\/p>"},{"title":"ISTIO Pilot \u7ec4\u4ef6\u67b6\u6784\u8be6\u89e3","link":"https:\/\/open-native.com\/article\/pilot-intro\/","pubDate":"Mon, 27 Mar 2023 21:29:24 +0800","guid":"https:\/\/open-native.com\/article\/pilot-intro\/","description":"

Pilot\u662fIstio\u63a7\u5236\u5e73\u9762\u7684\u6838\u5fc3\u7ec4\u4ef6\uff0c\u662f\u7ba1\u7406\u548c\u914d\u7f6eIstio\u670d\u52a1\u7f51\u683c\u4e2d\u6240\u6709Envoy\u4ee3\u7406\u5b9e\u4f8b\u7684\u53f8\u4ee4\u5b98\u3002<\/p>\n

Pilot\u67b6\u6784\u8be6\u89e3<\/h3>\n

Pilot\u67b6\u6784\u56fe\uff1a
\n\"Pilot\u67b6\u6784\u56fe\"<\/p>"},{"title":"Centos 7.x\u5185\u6838\u7248\u672c\u5347\u7ea7\u5b9e\u8df5","link":"https:\/\/open-native.com\/article\/kernel-upgrade\/","pubDate":"Sun, 19 Mar 2023 16:26:38 +0800","guid":"https:\/\/open-native.com\/article\/kernel-upgrade\/","description":"

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cCentos7.X\u7684\u5185\u6838\u7248\u672c\u662f3.10\uff0c\u5982\u4f55\u53bb\u5347\u7ea7\u5185\u6838\u5462\uff1f<\/p>\n

    \n
  1. \u67e5\u770b\u4e00\u4e0b\u5f53\u524d\u7684\u7cfb\u7edf\u7248\u672c<\/li>\n<\/ol>\n
    ~ uname -r\n3.10.0-1160.el7.x86_64\n<\/code><\/pre>"},{"title":"Kubernetes NetworkPolicy\u5b9e\u8df5\u6307\u5357","link":"https:\/\/open-native.com\/article\/networkpolicy\/","pubDate":"Fri, 17 Mar 2023 21:35:04 +0800","guid":"https:\/\/open-native.com\/article\/networkpolicy\/","description":"
    \u6839\u636eKubernetes\u7684\u7f51\u7edc\u6a21\u578b\uff0c\u96c6\u7fa4\u4e2d\u7684\u6240\u6709pod\u90fd\u53ef\u4ee5\u76f4\u63a5\u76f8\u4e92\u901a\u4fe1\uff0c\u4e0d\u7ba1\u5b83\u4eec\u5b58\u5728\u4e8e\u54ea\u4e2a\u8282\u70b9\u4e0a\uff0c\u6216\u5b58\u5728\u4e8e\u54ea\u4e2a\u547d\u540d\u7a7a\u95f4\u4e2d\uff0c\u901a\u4fe1\u8fc7\u7a0b\u4e0d\u9700\u8981NAT\u3002\u4ece\u53ef\u7528\u6027\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u8fd9\u662f\u975e\u5e38\u4fbf\u6377\u7684\uff0c\u4f46\u4ece\u5b89\u5168\u6027\u6765\u770b\uff0c\u8fd9\u8c8c\u4f3c\u6709\u4e00\u70b9\u95ee\u9898\u3002\u5047\u8bbe\u653b\u51fb\u8005\u4fb5\u5165\u4e86\u4e00\u4e2a\u4e0d\u53d7\u7f51\u7edc\u9650\u5236\u5730pod\uff0c\u4ed6\u5c31\u53ef\u4ee5\u8fde\u63a5\u5230\u540c\u4e00\u96c6\u7fa4\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2apod\uff0c\u751a\u81f3\u662f\u6709\u6743\u9650\u8bbf\u95ee\u654f\u611f\u4fe1\u606f\u7684pod\u3002
    \n\u4f7f\u7528NetworkPolicy\uff0c\u53ef\u4ee5\u5728IP\u5730\u5740\u6216\u7aef\u53e3\u7ea7\u522b\u4e0a\u9650\u5236Kubernetes\u96c6\u7fa4\u4e2dpod\u4e4b\u95f4\u7684\u7f51\u7edc\u6d41\u91cf\u3002<\/p>"},{"title":"\u5728Kubernetes\u4e2d\uff0c\u5982\u4f55\u8bbe\u7f6eCPU\u7684requests\u548climits","link":"https:\/\/open-native.com\/article\/r-l\/","pubDate":"Tue, 07 Mar 2023 19:06:49 +0800","guid":"https:\/\/open-native.com\/article\/r-l\/","description":"
    \u5728Kubernetes\u96c6\u7fa4\u4e2d\uff0c\u8be5\u5982\u4f55\u8bbe\u7f6eCPU\u7684requests\u548climits\u5462\uff1f<\/p>\n
    \u53ef\u4f9b\u9009\u62e9\u7684\u7b56\u7565\u5305\u542b\uff1a<\/p>\n
      \n
    • \u53ea\u4f7f\u7528limits<\/li>\n
    • \u4ece\u6765\u4e0d\u7528limits\uff0c\u53ea\u662f\u8bbe\u7f6erequests<\/li>\n
    • \u6216\u8005\uff0c\u4e24\u8005\u54ea\u4e00\u4e2a\u90fd\u4e0d\u7528\u3002<\/li>\n<\/ul>\n
      \u8be5\u4f5c\u4f55\u9009\u62e9\u5462\uff1f<\/p>"},{"title":"\u4e00\u6587\u89e3\u8bfbeBPF","link":"https:\/\/open-native.com\/article\/ebpf\/","pubDate":"Mon, 27 Feb 2023 21:17:50 +0800","guid":"https:\/\/open-native.com\/article\/ebpf\/","description":"
      \u4ecb\u7ecd<\/h3>\n
      eBPF\uff08extended Berkeley Packet Filter\uff09\u662f\u4e00\u79cdLinux\u5185\u6838\u4e2d\u7684\u865a\u62df\u673a\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u5728\u5185\u6838\u4e2d\u8fd0\u884c\u81ea\u5b9a\u4e49\u7684\u4ee3\u7801\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u9ad8\u7ea7\u522b\u7684\u7f51\u7edc\u8fc7\u6ee4\u3001\u76d1\u63a7\u548c\u5b89\u5168\u529f\u80fd\u7b49\u3002eBPF\u6700\u521d\u662f\u7531Linux\u5185\u6838\u5f00\u53d1\u8005Brendan Gregg\u548cOthers\u57282014\u5e74\u63d0\u51fa\u7684\uff0c\u5b83\u662f\u4f20\u7edfBPF\uff08Berkeley Packet Filter\uff09\u7684\u589e\u5f3a\u7248\uff0c\u652f\u6301\u66f4\u591a\u7684\u6307\u4ee4\u548c\u6570\u636e\u7ed3\u6784\uff0c\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u7f16\u5199\u66f4\u52a0\u590d\u6742\u548c\u9ad8\u7ea7\u7684\u4ee3\u7801\u3002<\/p>\n
      eBPF\u6280\u672f\u7684\u6838\u5fc3\u662f\u4e00\u4e2a\u865a\u62df\u673a\uff0c\u8be5\u865a\u62df\u673a\u8fd0\u884c\u5728\u5185\u6838\u4e2d\uff0c\u5177\u6709JIT\uff08\u5373\u65f6\u7f16\u8bd1\uff09\u529f\u80fd\uff0c\u53ef\u4ee5\u5c06\u7528\u6237\u7f16\u5199\u7684eBPF\u4ee3\u7801\u7f16\u8bd1\u6210\u672c\u5730\u4ee3\u7801\uff0c\u4ece\u800c\u83b7\u5f97\u63a5\u8fd1\u672c\u5730\u4ee3\u7801\u7684\u6267\u884c\u6548\u7387\u3002eBPF\u4ee3\u7801\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u6ce8\u5165\u5230\u5185\u6838\u4e2d\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u65b0\u7f16\u8bd1\u6216\u91cd\u65b0\u542f\u52a8\u5185\u6838\uff0c\u4ece\u800c\u4f7f\u5f97\u5b83\u5728\u8fd0\u884c\u65f6\u53ef\u4ee5\u5feb\u901f\u9002\u5e94\u4e0d\u540c\u7684\u573a\u666f\u548c\u9700\u6c42\u3002<\/p>"},{"title":"Istio 1.17 \u7248\u672c\u65b0\u7279\u6027\u4ecb\u7ecd","link":"https:\/\/open-native.com\/article\/istio-1.17\/","pubDate":"Thu, 23 Feb 2023 11:43:45 +0800","guid":"https:\/\/open-native.com\/article\/istio-1.17\/","description":"
      2\u670814\u65e5\uff0cIstio\u793e\u533a\u53d1\u5e03\u4e861.17\u7684\u53d1\u5e03\u901a\u544a\u30021.17\u7248\u672c\u6dfb\u52a0\u4e86\u4e00\u4e9b\u91cd\u8981\u7684\u65b0\u529f\u80fd\uff0c\u5e76\u5c06\u4e00\u4e9b\u73b0\u6709\u7684\u529f\u80fd\u6210\u719f\u5ea6\u6807\u8bb0\u4e3aBeta\uff0c\u8868\u660e\u5b83\u4eec\u5df2\u7ecf\u51c6\u5907\u597d\u751f\u4ea7\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4eae\u70b9\uff1a<\/p>\n
      \u91d1\u4e1d\u96c0\u5347\u7ea7\u548c\u4fee\u8ba2\u6807\u7b7e\u5347\u7ea7\u4e3aBeta\u7248\u672c<\/h3>\n
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