{"id":43840,"date":"2023-06-22T21:34:03","date_gmt":"2023-06-03T04:23:33","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%9c%a8%e4%bb%8edocker%e5%88%87%e6%8d%a2%e5%88%b0containerd%e5%90%8e%ef%bc%8c%e4%bb%8b%e7%bb%8d%e4%ba%86%e4%b8%80%e4%b8%aa%e6%96%87%e4%bb%b6%e7%9b%b8%e5%85%b3%e5%ba%a6%e9%87%8f%e4%b8%8d\/"},"modified":"2024-04-30T10:12:16","modified_gmt":"2024-04-30T02:12:16","slug":"kubernetes-%e5%9c%a8%e4%bb%8edocker%e5%88%87%e6%8d%a2%e5%88%b0containerd%e5%90%8e%ef%bc%8c%e4%bb%8b%e7%bb%8d%e4%ba%86%e4%b8%80%e4%b8%aa%e6%96%87%e4%bb%b6%e7%9b%b8%e5%85%b3%e5%ba%a6%e9%87%8f%e4%b8%8d","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%9c%a8%e4%bb%8edocker%e5%88%87%e6%8d%a2%e5%88%b0containerd%e5%90%8e%ef%bc%8c%e4%bb%8b%e7%bb%8d%e4%ba%86%e4%b8%80%e4%b8%aa%e6%96%87%e4%bb%b6%e7%9b%b8%e5%85%b3%e5%ba%a6%e9%87%8f%e4%b8%8d\/","title":{"rendered":"[Kubernetes] \u5728\u4eceDocker\u5207\u6362\u5230containerd\u540e\uff0c\u4ecb\u7ecd\u4e86\u4e00\u4e2a\u6587\u4ef6\u76f8\u5173\u5ea6\u91cf\u4e0d\u51c6\u786e\u7684node-exporter\u6848\u4f8b"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u5728Kubernetes v1.24\u4e2d\uff0cdockershim\u5c06\u88ab\u5220\u9664\u3002\u56e0\u6b64\uff0c\u5728\u8fd9\u4e2a\u65f6\u673a\u53ef\u80fd\u4f1a\u6709\u4eba\u5207\u6362Container Runtime\u4eceDocker\u5230\u5176\u4ed6\u66ff\u4ee3\u54c1\u3002<br \/>\n\u5728\u5c06Container Runtime\u4eceDocker\u5207\u6362\u5230containerd\u65f6\uff0c\u6211\u4eec\u7684\u56e2\u961f\u9047\u5230\u4e86\u65e0\u6cd5\u6b63\u786e\u83b7\u53d6PVC \/ PV\u6587\u4ef6\u7cfb\u7edf\u5927\u5c0f\u7684\u95ee\u9898\uff0c\u8be5\u95ee\u9898\u662f\u7531node-exporter\u5bfc\u81f4\u7684\u3002<br \/>\n\u56e0\u6b64\uff0c\u672c\u6587\u6863\u5c06\u6839\u636e\u5904\u7406\u8be5\u95ee\u9898\u7684\u6848\u4f8b\u6765\u4ecb\u7ecdMount Propagation\u7684\u884c\u4e3a\u3002<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u8be5\u95ee\u9898\u5df2\u5728prometheus\/node_exporter\u7684Issue\uff03474\u4e2d\u4fee\u590d\uff0c\u56e0\u6b64\u5728\u6b64\u95ee\u9898\u88ab\u4fee\u590d\u4e4b\u524d\uff0c\u5982\u679c\u4f7f\u7528\u4e86\u65e7\u7248\u672c\u7684node-exporter Manifest\u6587\u4ef6\u6216\u5728\u914d\u7f6e\u66f4\u65b0\u4e2d\u9057\u6f0f\u4e86\u8be5\u95ee\u9898\uff0c\u5c31\u4f1a\u53d1\u751f\u6b64\u95ee\u9898\u3002\u5728prometheus-community\/helm-charts\u4e2d\u5df2\u4fee\u6b63\u6b64\u95ee\u9898\u7684\u63d0\u4ea4\uff0c\u5728prometheus-operator\u4e2d\u5df2\u901a\u8fc7PR\uff031806\u8fdb\u884c\u4fee\u6b63\u3002<\/p>\n<h1>\u4e8b\u4ef6\u53d1\u751f<\/h1>\n<p>\u5207\u308a\u66ff\u3048\u306f\u3001Docker\u304b\u3089containerd\u3078\u306e\u79fb\u884c\u6642\u306b\u304a\u3044\u3066\u3001\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea(\/)\u306e\u30de\u30a6\u30f3\u30c8\u30d7\u30ed\u30d1\u30b2\u30fc\u30b7\u30e7\u30f3\u306e\u6319\u52d5\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001node-exporter\u3092\u542b\u3080Pod\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea(\/)\u3092\u30de\u30a6\u30f3\u30c8\u3059\u308b\u969b\u306b\u3001\u4ee5\u4e0b\u306eManifest\u306e\u4e00\u90e8\u629c\u7c8b\u306b\u3042\u308b\u3088\u3046\u306b\u3001containers.volumeMounts.mountPropagation\u306e\u6307\u5b9a\u3092\u7701\u7565\u3059\u308b\u3068\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nn\">...<\/span>\r\n      <span class=\"na\">containers<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">node-exporter<\/span>\r\n        <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prom\/node-exporter:v1.3.1<\/span>\r\n<span class=\"nn\">...<\/span>\r\n        <span class=\"na\">args<\/span><span class=\"pi\">:<\/span>\r\n<span class=\"nn\">...<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"s\">--path.rootfs<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">\/rootfs\"<\/span>\r\n<span class=\"nn\">...<\/span>\r\n        <span class=\"na\">volumeMounts<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/rootfs<\/span>\r\n          <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">root-volume<\/span>\r\n          <span class=\"na\">readOnly<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span>\r\n<span class=\"nn\">...<\/span>\r\n      <span class=\"na\">volumes<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">root-volume<\/span>\r\n        <span class=\"na\">hostPath<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/<\/span>\r\n<span class=\"nn\">...<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5PVC\/PV\u6302\u8f7d\u7684\u5916\u90e8\u5b58\u50a8\u5377\u4e0a\u7684\u6587\u4ef6\u7cfb\u7edf\u6307\u6807\uff08\u4f8b\u5982node_filesystem_size_bytes\uff09\u7684\u503c\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<p>\uff08\u4f8b\uff1a\u9519\u8bef\u7684\u5ea6\u91cf\u503c\uff09<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ce\u30fc\u30c9\u306e\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b30Gi\u306e\u30c7\u30a3\u30b9\u30af\u3092\u5272\u308a\u5f53\u3066<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u540c\u3058\u30ce\u30fc\u30c9\u4e0a\u306ePod\u306bPVC\/PV\u306750Gi\u306e\u30dc\u30ea\u30e5\u30fc\u30e0\u3092\u5272\u308a\u5f53\u3066<\/ul>\n<p>\u5728\u4e0a\u8ff0\u73af\u5883\u4e2d\uff0c\u5173\u4e8ePVC\/PV\u7684\u5bb9\u91cf\u5927\u5c0f\uff0c\u901a\u8fc7\u4e0a\u8ff0\u6e05\u5355\u4e2d\u7684node-exporter\u8fd4\u56de\u7684node_filesystem_size_bytes\u8fdb\u884c\u786e\u8ba4\uff0c\u5c06\u5f97\u5230\u4ee5\u4e0b\u503c\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Docker: 50Gi<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">containerd: 30Gi<\/ul>\n<p>Docker\u80fd\u591f\u6b63\u786e\u83b7\u53d6PVC\/PV\u5377\u7684\u503c\uff0c\u800ccontainerd\u4f1a\u8fd4\u56de\u9519\u8bef\u7684\u503c\uff08\u5373\u6839\u76ee\u5f55\u7684\u503c\uff09\u3002<\/p>\n<p>\u4e3a\u4e86\u8bf4\u660e\u8fdb\u884c\u4e86\u7b80\u5316\u5e76\u663e\u793a\u5927\u5c0f\uff0c\u4f46\u662f\u6307\u6807\u7684\u7cbe\u786e\u503c\u662f\u5c06Gi\u8f6c\u6362\u4e3aBytes\uff0c\u5e76\u51cf\u53bb\u6587\u4ef6\u7cfb\u7edf\u7ba1\u7406\u4fe1\u606f\u5927\u5c0f\u7b49\u7684\u503c\u3002<\/p>\n<h1>\u5bf9\u5e94\u7684\u65b9\u6cd5<\/h1>\n<p>\u5982\u679c\u4f7f\u7528node-exporter\uff0c\u53ef\u4ee5\u5728\u6839\u76ee\u5f55(\/)\u7684\u6302\u8f7d\u9009\u9879\u4e2d\u6dfb\u52a0mountPropagation: HostToContainer\uff0c\u53ef\u4ee5\u83b7\u53d6\u6b63\u786e\u7684\u6307\u6807\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">@@ -156,6 +156,7 @@<\/span>\r\n           name: sys-volume\r\n           readOnly: true\r\n         - mountPath: \/rootfs\r\n<span class=\"gi\">+          mountPropagation: HostToContainer\r\n<\/span>           name: root-volume\r\n           readOnly: true\r\n         - mountPath: \/var\/run\/dbus\/system_bus_socket\r\n<\/code><\/pre>\n<h1>\u4e3a\u4ec0\u4e48\u4f1a\u53d1\u751f\u8fd9\u6837\u7684\u73b0\u8c61?<\/h1>\n<p>\u8fd9\u79cd\u73b0\u8c61\u4e0d\u4ec5\u9650\u4e8econtainerd\uff0c\u5728\u9664\u4e86Docker\u4ee5\u5916\u7684Container Runtime\u4e5f\u6709\u53ef\u80fd\u53d1\u751f\u3002<br \/>\n\u8981\u7406\u89e3\u5e76\u89e3\u51b3\u8fd9\u79cd\u73b0\u8c61\uff0c\u9700\u8981\u4e8b\u5148\u4e86\u89e3\u5982\u4f55\u5728\u4f7f\u7528PVC\/PV\u5c06\u5377\u6302\u8f7d\u5230\u5bb9\u5668\u65f6\uff0c\u6302\u8f7d\u7684\u914d\u7f6e\u548cbind\u6302\u8f7d\u7684Mount Propagation\u7684\u7406\u89e3\u3002<br \/>\n\u5173\u4e8ePVC\/PV\u5377\u5728\u5bb9\u5668\u4e2d\u7684\u6302\u8f7d\u914d\u7f6e\uff0c\u53ef\u4ee5\u53c2\u8003\u300cKubernetes\u4e2d\u4e0e\u5b58\u50a8\u76f8\u5173\u7684\u6307\u6807\u5217\u8868\uff1aPV\u7684\u6302\u8f7d\u548c\u76d1\u63a7\u8303\u56f4\u300d\u3002<br \/>\n\u5173\u4e8eMount Propagation\uff0c\u4ee5\u4e0b\u662f\u7b80\u5355\u7684\u8bf4\u660e\u3002<\/p>\n<h2>(\u524d\u63d0\u77e5\u8bc6) Mount Propagation \u662f\u4ec0\u4e48?<\/h2>\n<p>\u5728Kubernetes\u4e2d\uff0cMount Propagation\u662f\u6307\u5c06\u7531\u5bb9\u5668\u6302\u8f7d\u7684\u5377\u7684\u6302\u8f7d\u4fe1\u606f\u5171\u4eab\u7ed9\u540c\u4e00Pod\u5185\u7684\u5176\u4ed6\u5bb9\u5668\u6216\u540c\u4e00\u8282\u70b9\u4e0a\u7684\u5176\u4ed6Pod\u7684\u529f\u80fd\u3002<br \/>\n\u5728Kubernetes\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7Manifest\u7684containers.volumeMounts\u7684mountPropagation\u5b57\u6bb5\u8fdb\u884c\u8bbe\u7f6e\u3002<br \/>\n\u5728Linux\u5185\u6838\u4e2d\uff0c\u5b83\u4e5f\u88ab\u79f0\u4e3aShared Subtrees\u3002<br \/>\n\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u5728Ubuntu20.04\u4e0a\u8fd0\u884c\u5e76\u89e3\u91ca\u4e24\u4e2a\u5e38\u7528\u7684Kubernetes\u53ef\u6307\u5b9a\u9009\u9879\u7684\u9ed8\u8ba4mountPropagation\u884c\u4e3a\uff1amountPropagation: None\uff08\u5728Linux\u4e2d\u4e3aprivate\u9009\u9879\uff09\u548cmountPropagation: HostToContainer\uff08\u5728Linux\u4e2d\u4e3arslave\u9009\u9879\uff09\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5728\/mnt\u76ee\u5f55\u4e0b\uff0c\u9884\u5148\u51c6\u5907\u4ee5\u4e0b\u76ee\u5f55\/\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>\/mnt# tree\r\n.\r\n\u251c\u2500\u2500 bar\r\n\u2502   \u251c\u2500\u2500 d\r\n\u2502   \u251c\u2500\u2500 e\r\n\u2502   \u2514\u2500\u2500 f\r\n\u251c\u2500\u2500 baz\r\n\u251c\u2500\u2500 foo\r\n\u2502   \u251c\u2500\u2500 a\r\n\u2502   \u251c\u2500\u2500 b\r\n\u2502   \u2514\u2500\u2500 c\r\n\u2514\u2500\u2500 qux\r\n<\/code><\/pre>\n<p>\u4e0b\u4e00\u6b65\uff0c\u5c06\/mnt\/foo\u7ed1\u5b9a\u6302\u8f7d\u5230\/mnt\/baz\u548c\/mnt\/qux\u3002<\/p>\n<pre class=\"post-pre\"><code>\/mnt# mount --bind \/mnt\/foo \/mnt\/baz\r\n\/mnt# mount --bind \/mnt\/foo \/mnt\/qux\r\n\/mnt# tree\r\n.\r\n\u251c\u2500\u2500 bar\r\n\u2502   \u251c\u2500\u2500 d\r\n\u2502   \u251c\u2500\u2500 e\r\n\u2502   \u2514\u2500\u2500 f\r\n\u251c\u2500\u2500 baz\r\n\u2502   \u251c\u2500\u2500 a\r\n\u2502   \u251c\u2500\u2500 b\r\n\u2502   \u2514\u2500\u2500 c\r\n\u251c\u2500\u2500 foo\r\n\u2502   \u251c\u2500\u2500 a\r\n\u2502   \u251c\u2500\u2500 b\r\n\u2502   \u2514\u2500\u2500 c\r\n\u2514\u2500\u2500 qux\r\n    \u251c\u2500\u2500 a\r\n    \u251c\u2500\u2500 b\r\n    \u2514\u2500\u2500 c\r\n<\/code><\/pre>\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u8fd9\u662f\u5173\u4e8ebind\u6302\u8f7d\u7684\u57fa\u672c\u64cd\u4f5c\u3002\u6211\u4eec\u6765\u770b\u770b\u8fd9\u65f6\u7684\u4f20\u64ad\u60c5\u51b5\u3002<\/p>\n<pre class=\"post-pre\"><code>\/mnt# findmnt -o TARGET,PROPAGATION |grep \/mnt\r\n\u251c\u2500\/mnt\/baz                            shared\r\n\u251c\u2500\/mnt\/qux                            shared\r\n<\/code><\/pre>\n<p>\u5171\u4eab\u72b6\u6001\u3002\u8fd9\u79cd\u6a21\u5f0f\u662f\u4f20\u64ad\u6240\u6709\u88c5\u8f7d\u4fe1\u606f\u7684\u6a21\u5f0f\u3002<\/p>\n<details>\u5728Kubernetes\u4e2d\uff0c\u5982\u679c\u6307\u5b9amountPropagation: Bidirectional\u9009\u9879\uff0c\u5219\u4f1a\u9012\u5f52\u5730\u4f20\u64adshared\u65f6\u7684\u6302\u8f7d\u4fe1\u606f\u5230\u5b50\u76ee\u5f55\u4e2d\u3002\u7136\u800c\uff0c\u7531\u4e8e\u8be5\u6a21\u5f0f\u4f1a\u53cc\u5411\u4f20\u64ad(bind)\u6302\u8f7d\u7684\u76ee\u5f55(\u5bb9\u5668\u53ef\u4ee5\u8bbf\u95ee\u7684\u76ee\u5f55)\u5230\u4e3b\u673a\u7684\u539f\u59cb\u76ee\u5f55\uff0c\u53ef\u80fd\u4f1a\u7834\u574f\u4e3b\u673a(\u8282\u70b9)\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528\u65f6\u5fc5\u987b\u975e\u5e38\u5c0f\u5fc3\u3002Kubernetes\u5b98\u65b9\u6587\u6863\u4e2d\u4e5f\u63d0\u5230\u4e86\u4ee5\u4e0b\u6ce8\u610f\u4e8b\u9879\uff1a<br \/>\n\u8b66\u544a\uff1a\u53cc\u5411\u6302\u8f7d\u4f20\u64ad\u53ef\u80fd\u5f88\u5371\u9669\u3002\u5b83\u53ef\u80fd\u4f1a\u635f\u574f\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\uff0c\u56e0\u6b64\u53ea\u5141\u8bb8\u5728\u7279\u6743\u5bb9\u5668\u4e2d\u4f7f\u7528\u3002\u5f3a\u70c8\u63a8\u8350\u4e86\u89e3Linux\u5185\u6838\u884c\u4e3a\u3002\u6b64\u5916\uff0c\u5bb9\u5668\u4e2d\u7684pod\u6240\u521b\u5efa\u7684\u4efb\u4f55\u5377\u6302\u8f7d\u5fc5\u987b\u5728\u5bb9\u5668\u7ec8\u6b62\u65f6\u88ab\u9500\u6bc1(\u5378\u8f7d)\u3002<\/details>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u786e\u8ba4 private \u548c rslave \u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u6211\u4eec\u4f1a\u5c06 \/mnt\/baz \u8bbe\u7f6e\u4e3a private\uff0c\u5c06 \/mnt\/qux \u8bbe\u7f6e\u4e3a rslave\uff08\u5728\u5b50\u6811\u4e2d\u9012\u5f52\u4f20\u64ad\u4ece\u5c5e\u8bbe\u7f6e\uff09\uff0c\u5e76\u9a8c\u8bc1\u76f8\u5173\u7684\u6302\u8f7d\u4fe1\u606f\u4f20\u64ad\u3002<\/p>\n<pre class=\"post-pre\"><code>\/mnt# mount --make-private \/mnt\/baz\r\n\/mnt# mount --make-rslave \/mnt\/qux\r\n\r\n\/mnt# findmnt -o TARGET,PROPAGATION |grep \/mnt\r\n\u251c\u2500\/mnt\/baz                            private\r\n\u251c\u2500\/mnt\/qux                            private,slave\r\n\r\n# \/mnt\/foo\u306e\u914d\u4e0b\u306bbar\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057bind\u30de\u30a6\u30f3\u30c8\u3057\u307e\u3059\r\n\/mnt# mkdir \/mnt\/foo\/bar\r\n\/mnt# tree\r\n.\r\n\u251c\u2500\u2500 bar\r\n\u2502   \u251c\u2500\u2500 d\r\n\u2502   \u251c\u2500\u2500 e\r\n\u2502   \u2514\u2500\u2500 f\r\n\u251c\u2500\u2500 baz\r\n\u2502   \u251c\u2500\u2500 a\r\n\u2502   \u251c\u2500\u2500 b\r\n\u2502   \u251c\u2500\u2500 bar\r\n\u2502   \u2514\u2500\u2500 c\r\n\u251c\u2500\u2500 foo\r\n\u2502   \u251c\u2500\u2500 a\r\n\u2502   \u251c\u2500\u2500 b\r\n\u2502   \u251c\u2500\u2500 bar\r\n\u2502   \u2514\u2500\u2500 c\r\n\u2514\u2500\u2500 qux\r\n    \u251c\u2500\u2500 a\r\n    \u251c\u2500\u2500 b\r\n    \u251c\u2500\u2500 bar\r\n    \u2514\u2500\u2500 c\r\n\r\n# \/mnt\/bar \u3092 \/mnt\/foo\/bar \u3078bind\u30de\u30a6\u30f3\u30c8\u3057 \/mnt\/baz (private), \/mnt\/qux (rslave) \u3078\u306e\u30de\u30a6\u30f3\u30c8\u60c5\u5831\u306e\u4f1d\u64ad\u3092\u78ba\u8a8d\u3057\u307e\u3059\r\n\/mnt# mount --bind \/mnt\/bar \/mnt\/foo\/bar\r\n\/mnt# tree\r\n.\r\n\u251c\u2500\u2500 bar\r\n\u2502   \u251c\u2500\u2500 d\r\n\u2502   \u251c\u2500\u2500 e\r\n\u2502   \u2514\u2500\u2500 f\r\n\u251c\u2500\u2500 baz\r\n\u2502   \u251c\u2500\u2500 a\r\n\u2502   \u251c\u2500\u2500 b\r\n\u2502   \u251c\u2500\u2500 bar\r\n\u2502   \u2514\u2500\u2500 c\r\n\u251c\u2500\u2500 foo\r\n\u2502   \u251c\u2500\u2500 a\r\n\u2502   \u251c\u2500\u2500 b\r\n\u2502   \u251c\u2500\u2500 bar\r\n\u2502   \u2502   \u251c\u2500\u2500 d\r\n\u2502   \u2502   \u251c\u2500\u2500 e\r\n\u2502   \u2502   \u2514\u2500\u2500 f\r\n\u2502   \u2514\u2500\u2500 c\r\n\u2514\u2500\u2500 qux\r\n    \u251c\u2500\u2500 a\r\n    \u251c\u2500\u2500 b\r\n    \u251c\u2500\u2500 bar\r\n    \u2502   \u251c\u2500\u2500 d\r\n    \u2502   \u251c\u2500\u2500 e\r\n    \u2502   \u2514\u2500\u2500 f\r\n    \u2514\u2500\u2500 r\r\n<\/code><\/pre>\n<p>\u5728\u79c1\u6709\u9009\u9879\/mnt\/baz\u4e0b\uff0cbar\u76ee\u5f55\u7684\u6302\u8f7d\u4fe1\u606f\u5b8c\u5168\u4e0d\u4f1a\u4f20\u9012\uff0c\u800c\u5728rslave\u9009\u9879\/mnt\/qux\u4e0b\uff0cbar\u76ee\u5f55\u7684\u6302\u8f7d\u4fe1\u606f\u4f1a\u4f20\u64ad\u3002<\/p>\n<h2>\u5728Docker\u548ccontainerd\u4e2d\uff0cnode-exporter\u7684\u884c\u4e3a\u5dee\u5f02\u6709\u54ea\u4e9b\uff1f<\/h2>\n<p>\u5982\u679c\u5728Kubernetes\u4e2d\u7701\u7565\u4e86mountPropagation\uff0c\u5219\u9ed8\u8ba4\u503c\u4e3amountPropagation: None\uff08\u5373private\u9009\u9879\uff09\u3002<br \/>\n\u4ece\u4e0a\u8ff0\u7684\u201cMount Propagation\u201d\u8bf4\u660e\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u5f53\u4f7f\u7528containerd\u5728\u50cfnode-exporter\u8fd9\u6837\u7684Pod\u4e2d\u6302\u8f7d\u6839\u76ee\u5f55\u65f6\uff0c\u9700\u8981\u4f7f\u7528rslave\u9009\u9879\uff08mountPropagation: HostToContainer\uff09\u3002<br \/>\n\u5982\u679c\u50cf\u672c\u4f8b\u4e00\u6837\u9519\u8bef\u5730\u5c06\u5176\u8bbe\u7f6e\u4e3aprivate\u9009\u9879\uff0c\u5219\u65e0\u6cd5\u5c06\u65b0\u7ed1\u5b9a\u7684\u6302\u8f7d\uff08PV\u6302\u8f7d\u7684\u5377\u4fe1\u606f\uff09\u4f20\u64ad\u5230\u4ecestatfs\u7cfb\u7edf\u8c03\u7528\u4e2d\u83b7\u53d6\u6587\u4ef6\u7cfb\u7edf\u4fe1\u606f\u7684node-exporter\uff0c\u4ece\u800c\u8fd4\u56de\u4e86\u6839\u76ee\u5f55\u672c\u8eab\u7684\u4fe1\u606f\u3002<br \/>\n\u53e6\u4e00\u65b9\u9762\uff0c\u4e3a\u4e86\u4fdd\u6301\u5411\u540e\u517c\u5bb9\u6027\uff0c\u5728Docker\u4e2d\u81ea\u52a8\u9009\u62e9rslave\u9009\u9879\u6765\u6302\u8f7d\u6839\u76ee\u5f55\u7684\u7279\u6b8a\u5b9e\u73b0\u3002<br \/>\n\u56e0\u6b64\uff0c\u5982\u679c\u5c06Docker\u7528\u4f5c\u5bb9\u5668\u8fd0\u884c\u65f6\u65f6\uff0c\u5f53\u5728node-exporter\u4e2d\u6302\u8f7d\u6839\u76ee\u5f55\u65f6\uff0c\u5373\u4f7f\u5728Pod\u4e2d\u7701\u7565\u4e86mountPropagation\uff0c\u5728Docker\u5185\u90e8\u4e5f\u4f1a\u4f7f\u7528rslave\u9009\u9879\u8fdb\u884c\u6302\u8f7d\uff0c\u56e0\u6b64\u4e0d\u4f1a\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n<h1>\u5370\u8c61<\/h1>\n<p>\u5728\u8fd9\u6b21\u8ba8\u8bba\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5728\u8bbe\u7f6emountPropagation\u65f6\uff0c\u5bf9\u4e8e\u50cfnode-exporter\u8fd9\u6837\u5728\u6839\u76ee\u5f55\u6302\u8f7d\u7684\u60c5\u51b5\u4e0b\uff0cDocker\u548ccontainerd\u4f1a\u6709\u4e0d\u540c\u7684\u884c\u4e3a\u5dee\u5f02\u3002\u867d\u7136\u6211\u4eec\u7684\u56e2\u961f\u53ea\u5c1d\u8bd5\u8fc7containerd\uff0c\u4f46\u6211\u4eec\u63a8\u6d4b\u8fd9\u4e2a\u73b0\u8c61\u5728\u9664\u4e86Docker\u4ee5\u5916\u7684\u5176\u4ed6\u5bb9\u5668\u8fd0\u884c\u65f6\u4e2d\u4e5f\u4f1a\u51fa\u73b0\u3002\u6b64\u5916\uff0c\u5373\u4f7f\u5728\u50cfnode-exporter\u4e4b\u5916\u7684\u5176\u4ed6\u6302\u8f7d\u4e86\u6839\u76ee\u5f55\u7684Pod\u4e2d\uff0c\u4e5f\u6709\u53ef\u80fd\u51fa\u73b0\u8fd9\u4e2a\u95ee\u9898\u3002\u5982\u679c\u60a8\u5728\u4f7f\u7528\u7c7b\u4f3cKubernetes\u7684PVC\/PV\u8fdb\u884cbind\u6302\u8f7d\u7684\u73af\u5883\u4e2d\u6000\u7591\u6587\u4ef6\u7cfb\u7edf\u4fe1\u606f\u4e0d\u6b63\u786e\u65f6\uff0cMount Propagation\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u6000\u7591\u70b9\uff0c\u56e0\u6b64\u4e86\u89e3\u6709\u5173Mount Propagation\u7684\u77e5\u8bc6\u53ef\u80fd\u4f1a\u6709\u6240\u5e2e\u52a9\u3002\u6b64\u5916\uff0c\u5c3d\u7ba1\u672c\u6587\u6863\u53ea\u5bf9\u5fc5\u8981\u7684\u90e8\u5206\u8fdb\u884c\u4e86\u7b80\u8981\u4ecb\u7ecd\uff0c\u4f46Mount Propagation\u662f\u4e00\u4e2a\u62e5\u6709\u591a\u4e2a\u9009\u9879\u548c\u6df1\u5c42\u6b21\u5185\u5bb9\u7684\u6982\u5ff5\u3002\u5982\u679c\u60a8\u5bf9\u6b64\u611f\u5174\u8da3\uff0c\u53ef\u4ee5\u9605\u8bfbLinux\u5185\u6838\u7684Shared Subtrees\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u5728Kubernetes v1.24\u4e2d\uff0cdockershim\u5c06\u88ab\u5220\u9664\u3002\u56e0\u6b64\uff0c\u5728\u8fd9\u4e2a\u65f6\u673a\u53ef\u80fd\u4f1a\u6709\u4eba\u5207\u6362Con [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43840","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>[Kubernetes] \u5728\u4eceDocker\u5207\u6362\u5230containerd\u540e\uff0c\u4ecb\u7ecd\u4e86\u4e00\u4e2a\u6587\u4ef6\u76f8\u5173\u5ea6\u91cf\u4e0d\u51c6\u786e\u7684node-exporter\u6848\u4f8b - 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\" 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