{"id":52525,"date":"2024-10-09T03:22:19","date_gmt":"2024-10-08T19:22:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/52525\/"},"modified":"2024-11-14T10:38:35","modified_gmt":"2024-11-14T02:38:35","slug":"%e6%90%ad%e5%bb%ba-flannel-%e5%ae%b9%e5%99%a8%e9%9b%86%e7%be%a4%e5%ad%90%e7%b6%b2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/52525\/","title":{"rendered":"\u642d\u5efa Flannel \u5bb9\u5668\u96c6\u7fa4\u5b50\u7db2"},"content":{"rendered":"<h1 id=\"%e6%90%ad%e5%bb%ba-flannel-%e5%ae%b9%e5%99%a8%e9%9b%86%e7%be%a4%e5%ad%90%e7%b6%b2-ZZDhYGvXnF\">\u642d\u5efa Flannel \u5bb9\u5668\u96c6\u7fa4\u5b50\u7db2<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u96f2\u8a08\u7b97\u74b0\u5883\u4e2d\uff0c\u5bb9\u5668\u5316\u6280\u8853\u5df2\u6210\u70ba\u958b\u767c\u548c\u90e8\u7f72\u61c9\u7528\u7a0b\u5e8f\u7684\u4e3b\u6d41\u65b9\u5f0f\u3002Flannel \u662f\u4e00\u7a2e\u6d41\u884c\u7684\u5bb9\u5668\u7db2\u7d61\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728 Kubernetes \u74b0\u5883\u4e2d\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u642d\u5efa Flannel \u5bb9\u5668\u96c6\u7fa4\u5b50\u7db2\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-flannel%ef%bc%9f-ZZDhYGvXnF\">\u4ec0\u9ebc\u662f Flannel\uff1f<\/h2>\n<p>Flannel \u662f\u4e00\u500b\u7528\u65bc Kubernetes \u7684\u7db2\u7d61\u63d2\u4ef6\uff0c\u65e8\u5728\u70ba\u5bb9\u5668\u63d0\u4f9b\u7c21\u55ae\u7684\u7db2\u7d61\u9023\u63a5\u3002\u5b83\u901a\u904e\u5275\u5efa\u4e00\u500b\u865b\u64ec\u7684\u5b50\u7db2\u4f86\u5be6\u73fe\u5bb9\u5668\u4e4b\u9593\u7684\u901a\u4fe1\uff0c\u4e26\u652f\u6301\u591a\u7a2e\u5f8c\u7aef\uff0c\u5982 VXLAN\u3001Host-GW \u548c UDP\u3002Flannel \u7684\u4e3b\u8981\u76ee\u7684\u662f\u7c21\u5316\u5bb9\u5668\u7db2\u7d61\u7684\u914d\u7f6e\uff0c\u4e26\u63d0\u9ad8\u5bb9\u5668\u4e4b\u9593\u7684\u53ef\u9054\u6027\u3002<\/p>\n<h2 id=\"%e6%90%ad%e5%bb%ba-flannel-%e7%9a%84%e5%89%8d%e7%bd%ae%e6%a2%9d%e4%bb%b6-ZZDhYGvXnF\">\u642d\u5efa Flannel \u7684\u524d\u7f6e\u689d\u4ef6<\/h2>\n<ul>\n<li>\u5df2\u5b89\u88dd Kubernetes \u96c6\u7fa4\u3002<\/li>\n<li>\u6240\u6709\u7bc0\u9ede\u4e4b\u9593\u53ef\u4ee5\u76f8\u4e92\u901a\u4fe1\u3002<\/li>\n<li>\u5177\u5099\u57fa\u672c\u7684 Linux \u547d\u4ee4\u884c\u64cd\u4f5c\u80fd\u529b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%ae%89%e8%a3%9d-flannel-ZZDhYGvXnF\">\u5b89\u88dd Flannel<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5b89\u88dd Flannel \u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e4%b8%8b%e8%bc%89-flannel-%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-ZZDhYGvXnF\">1. \u4e0b\u8f09 Flannel \u914d\u7f6e\u6587\u4ef6<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u4e0b\u8f09 Flannel \u7684 YAML \u914d\u7f6e\u6587\u4ef6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>curl -O https:\/\/raw.githubusercontent.com\/coreos\/flannel\/master\/Documentation\/k8s-manifests\/kube-flannel.yml<\/code><\/pre>\n<h3 id=\"2-%e9%83%a8%e7%bd%b2-flannel-ZZDhYGvXnF\">2. \u90e8\u7f72 Flannel<\/h3>\n<p>\u4f7f\u7528 kubectl \u547d\u4ee4\u4f86\u90e8\u7f72 Flannel\uff1a<\/p>\n<pre><code>kubectl apply -f kube-flannel.yml<\/code><\/pre>\n<p>\u9019\u5c07\u5275\u5efa Flannel \u6240\u9700\u7684\u6240\u6709\u8cc7\u6e90\uff0c\u5305\u62ec DaemonSet \u548c ConfigMap\u3002<\/p>\n<h3 id=\"3-%e9%a9%97%e8%ad%89-flannel-%e6%98%af%e5%90%a6%e9%81%8b%e8%a1%8c-ZZDhYGvXnF\">3. \u9a57\u8b49 Flannel \u662f\u5426\u904b\u884c<\/h3>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5 Flannel \u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>kubectl get pods --all-namespaces<\/code><\/pre>\n<p>\u78ba\u4fdd\u6240\u6709 Flannel Pod \u90fd\u5728\u904b\u884c\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e9%85%8d%e7%bd%ae-flannel-%e5%ad%90%e7%b6%b2-ZZDhYGvXnF\">\u914d\u7f6e Flannel \u5b50\u7db2<\/h2>\n<p>Flannel \u4f7f\u7528 CIDR \u4f86\u5b9a\u7fa9\u5b50\u7db2\u3002\u60a8\u53ef\u4ee5\u5728 ConfigMap \u4e2d\u914d\u7f6e Flannel \u7684\u5b50\u7db2\u8a2d\u7f6e\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4fee\u6539 ConfigMap \u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>kubectl edit configmap -n kube-system kube-flannel-cfg<\/code><\/pre>\n<p>\u5728\u7de8\u8f2f\u5668\u4e2d\uff0c\u60a8\u53ef\u4ee5\u627e\u5230\u985e\u4f3c\u4ee5\u4e0b\u7684\u914d\u7f6e\uff1a<\/p>\n<pre><code>net-conf.json: |\n  {\n    \"Network\": \"10.244.0.0\/16\",\n    \"Backend\": {\n      \"Type\": \"vxlan\"\n    }\n  }<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u4fee\u6539 &#8220;Network&#8221; \u7684\u503c\uff0c\u4ee5\u8a2d\u7f6e\u4e0d\u540c\u7684\u5b50\u7db2\u3002<\/p>\n<h2 id=\"%e6%b8%ac%e8%a9%a6-flannel-%e7%b6%b2%e7%b5%a1-ZZDhYGvXnF\">\u6e2c\u8a66 Flannel \u7db2\u7d61<\/h2>\n<p>\u5728 Flannel \u90e8\u7f72\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u6e2c\u8a66 Pod \u4f86\u9a57\u8b49\u7db2\u7d61\u9023\u63a5\uff1a<\/p>\n<pre><code>kubectl run -it --rm --restart=Never --image=busybox test-pod -- \/bin\/sh<\/code><\/pre>\n<p>\u5728 Pod \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 ping \u547d\u4ee4\u4f86\u6e2c\u8a66\u5176\u4ed6 Pod \u7684 IP \u5730\u5740\uff0c\u78ba\u4fdd\u5b83\u5011\u4e4b\u9593\u53ef\u4ee5\u6b63\u5e38\u901a\u4fe1\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZZDhYGvXnF\">\u7e3d\u7d50<\/h2>\n<p>Flannel \u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u60a8\u5728 Kubernetes \u74b0\u5883\u4e2d\u8f15\u9b06\u642d\u5efa\u5bb9\u5668\u96c6\u7fa4\u5b50\u7db2\u3002\u901a\u904e\u7c21\u55ae\u7684\u914d\u7f6e\u548c\u90e8\u7f72\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u5be6\u73fe\u5bb9\u5668\u4e4b\u9593\u7684\u9ad8\u6548\u901a\u4fe1\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5730\u5340\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u642d\u5efa\u548c\u7ba1\u7406\u60a8\u7684\u5bb9\u5668\u96c6\u7fa4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u642d\u5efa Flannel \u5bb9\u5668\u96c6\u7fa4\u5b50\u7db2\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u7db2\u7d61\u7ba1\u7406\uff0c\u63d0\u5347\u5bb9\u5668\u9593\u7684\u901a\u4fe1\u6027\u80fd\u8207\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-52525","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/52525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=52525"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/52525\/revisions"}],"predecessor-version":[{"id":52526,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/52525\/revisions\/52526"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=52525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=52525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=52525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}