{"id":43537,"date":"2023-04-12T20:24:39","date_gmt":"2024-01-29T07:43:03","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e6%a0%91%e8%8e%93%e6%b4%be4%ef%bc%88%e5%92%8c3b%ef%bc%89%e4%b8%8a%e8%bf%9b%e8%a1%8c%e9%9d%a2%e5%90%91%e8%be%b9%e7%bc%98%e8%ae%a1%e7%ae%97%e7%9a%84kubernetes%e6%9e%84%e5%bb%ba%e5%92%8c\/"},"modified":"2024-04-29T23:12:35","modified_gmt":"2024-04-29T15:12:35","slug":"%e5%9c%a8%e6%a0%91%e8%8e%93%e6%b4%be4%ef%bc%88%e5%92%8c3b%ef%bc%89%e4%b8%8a%e8%bf%9b%e8%a1%8c%e9%9d%a2%e5%90%91%e8%be%b9%e7%bc%98%e8%ae%a1%e7%ae%97%e7%9a%84kubernetes%e6%9e%84%e5%bb%ba%e5%92%8c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e6%a0%91%e8%8e%93%e6%b4%be4%ef%bc%88%e5%92%8c3b%ef%bc%89%e4%b8%8a%e8%bf%9b%e8%a1%8c%e9%9d%a2%e5%90%91%e8%be%b9%e7%bc%98%e8%ae%a1%e7%ae%97%e7%9a%84kubernetes%e6%9e%84%e5%bb%ba%e5%92%8c\/","title":{"rendered":"\u5728\u6811\u8393\u6d3e4\uff08\u548c3B\uff09\u4e0a\u8fdb\u884c\u9762\u5411\u8fb9\u7f18\u8ba1\u7b97\u7684Kubernetes\u6784\u5efa\u548c\u4f20\u611f\u5668\u6570\u636e\u6536\u96c6\u5c1d\u8bd5"},"content":{"rendered":"<h1>\u5728Raspberry Pi 4\uff08\u548c3B\uff09\u4e0a\u5c1d\u8bd5\u642d\u5efa\u9002\u7528\u4e8e\u8fb9\u7f18\u8ba1\u7b97\u7684Kubernetes\uff0c\u5e76\u6536\u96c6\u4f20\u611f\u5668\u6570\u636e\u3002<\/h1>\n<p>\u4f7f\u7528\u4e09\u53f0\u6811\u8393\u6d3e\u6784\u5efa\u4e86\u9488\u5bf9\u8fb9\u7f18\u8ba1\u7b97\u7684Kubernetes\u96c6\u7fa4\uff0c\u5e76\u5229\u7528Python\/Prometheus\/Grafana\u6536\u96c6\u3001\u5b58\u50a8\u548c\u53ef\u89c6\u5316\u4f20\u611f\u5668\u6570\u636e\uff0c\u5c06\u8fb9\u7f18\u5e94\u7528\u90e8\u7f72\u5728\u96c6\u7fa4\u4e0a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/2-1.png\" alt=\"image\" \/><\/div>\n<h2>\u8bf7\u6ce8\u610f<\/h2>\n<p>\u622a\u81f32022\u5e743\u67086\u65e5\uff0c\u5982\u679c\u4f7f\u7528kubernetes 1.23.4\/kubelet 1.23.4\/kubeadm 1.23.4\uff0c\u4f1a\u9047\u5230\u4ee5\u4e0bkubelet\/cAdvisor\u7684\u95ee\u9898\uff0c\u5bfc\u81f4kubelet\u65e0\u6cd5\u6b63\u5e38\u542f\u52a8\uff0c\u65e0\u6cd5\u6784\u5efakubernetes\u3002cAdvisor\u7684\u4fee\u8865\u7a0b\u5e8f\u9884\u8ba1\u5c06\u5728\u4e0b\u4e00\u4e2akubernetes\u7248\u672c\uff081.24\uff09\u4e2d\u5408\u5e76\u3002<br \/>\n\u56e0\u6b64\uff0c\u622a\u81f32022\u5e743\u67086\u65e5\uff0c1.22\u7cfb\u5217\uff08\u89c2\u5bdf\u65f6\u6700\u65b0\u7248\u672c\u4e3a1.22.7\uff09\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\u3002<br \/>\nhttps:\/\/github.com\/kubernetes\/kubernetes\/issues\/106977<\/p>\n<h2>\u5185\u5bb9<\/h2>\n<p>\u6211\u4eec\u5c06\u6309\u7167\u4ee5\u4e0b\u987a\u5e8f\u5bf9\u964d\u6784\u5efa\u65b9\u6cd5\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u96c6\u7fa4\u7684\u7279\u5f81\u548c\u9a8c\u8bc1\u73af\u5883<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u51c6\u5907\u6811\u8393\u6d3e<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5b89\u88c5Kubernetes\uff0c\u6784\u5efa\u96c6\u7fa4<\/ol>\n<\/li>\n<\/ol>\n<p>\u9488\u5bf9\u8fb9\u7f18\u5e94\u7528\u5f00\u53d1\u548c\u90e8\u7f72\u5230\u96c6\u7fa4<\/p>\n<p>\u5b89\u88c5\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668DHT11<br \/>\n\u5f00\u53d1\u4ece\u4f20\u611f\u5668\u6536\u96c6\u548c\u4f20\u9001\u6570\u636e\u7684\u5e94\u7528\u7a0b\u5e8f<br \/>\n\u901a\u8fc7Prometheus\u6536\u96c6\u548c\u5b58\u50a8\u4ece\u5e94\u7528\u7a0b\u5e8f\u83b7\u53d6\u7684\u6570\u636e<br \/>\n\u901a\u8fc7Grafana\u8fdb\u884c\u53ef\u89c6\u5316<\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f\u7684\u6267\u884c\u7ed3\u679c<br \/>\n\u611f\u60f3<\/p>\n<h1>1. \u96c6\u7fa4\u7684\u7279\u5f81\/\u7ec4\u6210<\/h1>\n<p>\u8fd9\u6b21\u7684\u7c07\u7684\u7279\u70b9\u5982\u4e0b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ce\u30fc\u30c9\u306b \u6bd4\u8f03\u7684\u5927\u304d\u306aSD\u30ab\u30fc\u30c9(128GB\/256GB) \u3092\u4f7f\u3063\u305f\u3002(\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u304c\u591a\u3044\u3068\u903c\u8feb\u3059\u308b\u3068\u8003\u3048\u305f\u305f\u3081)<\/ul>\n<\/li>\n<\/ul>\n<p>\u30e1\u30e2\u30ea\u3092\u6f64\u6ca2\u306b\u7a4d\u3093\u3060\u30e9\u30ba\u30d1\u30a44\u3068\u975e\u529b\u306a\u30e9\u30ba\u30d1\u30a43\u306e\u6df7\u6210\u3068\u3057\u305f\u3002(\u30a8\u30c3\u30b8\u306f\u975e\u529b\u306a\u88c5\u7f6e\u3057\u304b\u7f6e\u3051\u306a\u3044\u72b6\u6cc1\u304c\u591a\u3044\u3068\u8003\u3048\u3001\u305d\u308c\u3092\u518d\u73fe\u3059\u308b\u305f\u3081)<\/p>\n<h2>\u6784\u6210\u6210\u5206<\/h2>\n<p>\u6240\u51c6\u5907\u7684\u8bbe\u5907\u5305\u62ec\u4e09\u53f0\u6811\u8393\u6d3e\u548c\u4e00\u53f0\u5f00\u5173\u3002\u6bcf\u53f0\u6811\u8393\u6d3e\u9700\u8981\u4e00\u4e2a\u7535\u6e90\uff08\u7ea65V x 3A\uff09\u3002<\/p>\n<div>\n<div class=\"post-table\">\u88c5\u7f6e\u69cb\u6210\u30e9\u30ba\u30d1\u30a4#1\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u30ce\u30fc\u30c9<br \/>\nRaspberry Pi 4 Model B<br \/>\n(Memory 8GB)<br \/>\n+ SD\u30ab\u30fc\u30c9 128GB (Samsung)\u30e9\u30ba\u30d1\u30a4#2\u30ef\u30fc\u30ab\u30fc\u30ce\u30fc\u30c9<br \/>\nRaspberry Pi 4 Model B<br \/>\n(Memory 8GB)<br \/>\n+ SD\u30ab\u30fc\u30c9 256GB (Samsung)\u30e9\u30ba\u30d1\u30a4#3 (\u30a8\u30c3\u30b8\u7528)\u30ef\u30fc\u30ab\u30fc\u30ce\u30fc\u30c9<br \/>\nRaspberry Pi 3 Model B+<br \/>\n(Memory 1GB)<br \/>\n+ SD\u30ab\u30fc\u30c9 32GB (Samsung)<br \/>\n+ \u6e29\u5ea6\u30fb\u6e7f\u5ea6\u30bb\u30f3\u30b5\u30fcDHT11\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30a4\u30c3\u30c1<a href=\"https:\/\/www.amazon.com\/dp\/B07PFYM5MZ?psc=1&amp;ref=ppx_pop_dt_b_product_details\" target=\"_blank\" rel=\"nofollow noopener\">NETGEAR 8-Port Gigabit Ethernet Unmanaged Switch (GS308)<\/a>Ethernet\u30b1\u30fc\u30d6\u30eb1Gbps\u5bfe\u5fdc\u306e\u3082\u306e x 3\u672cWiFi\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8(\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30a2\u30af\u30bb\u30b9\u7528)\u81ea\u5b85\u306b\u3042\u3063\u305fWifi\u30eb\u30fc\u30bf\u3092\u63f4\u7528\u7aef\u672bMacbook Pro<br \/>\nOS version: 11.1 Big Sur<\/div>\n<\/div>\n<h2>\u8fde\u63a5\u7ebf\u548cIP\u5730\u5740 h\u00e9 IP<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e9\u30ba\u30d1\u30a4\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30a4\u30c3\u30c1\u3092Ethernet \u30b1\u30fc\u30d6\u30eb\u3067\u3064\u306a\u3050\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u306a\u3051\u308c\u3070Wifi\u306e\u307f\u3067\u69cb\u7bc9\u3082\u53ef\u80fd\u3002<\/ul>\n<pre class=\"post-pre\"><code>[ \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 ]   [ \u7aef\u672b(Mac) ]\r\n  |              | \r\n[-----Wifi(\u5916\u90e8\u63a5\u7d9a\u7528)------]                                 [ Switch(\u30af\u30e9\u30b9\u30bf\u5185\u90e8\u7528) ] \r\n192.168.0.1                                                        |\r\n  \u251c--(\u7121\u7dda)--192.168.2.101--[ RasPi#1 (rp4-1) ]-192.168.1.101--(\u6709\u7dda)--\u2524\r\n  \u251c--(\u7121\u7dda)--192.168.2.102--[ Raspi#2 (rp4-2) ]-192.168.1.102--(\u6709\u7dda)--\u2524\r\n  \u2514--(\u7121\u7dda)--192.168.2.103-[ Raspi#3 (rp3)   ]-192.168.1.103--(\u6709\u7dda)--\u2518\r\n<\/code><\/pre>\n<h1>2. \u6811\u8393\u6d3e\u7684\u51c6\u5907<\/h1>\n<p>\u6b64\u9879\u76ee\u9002\u7528\u4e8e\u6240\u6709\u7684\u6811\u8393\u6d3e\u8bbe\u5907\u3002\u662f\u8fdb\u884c\u7b2c3\u9879Kubernetes\u6240\u9700\u7684\u524d\u63d0\u6761\u4ef6\u3002<\/p>\n<h2>\u5c06\u64cd\u4f5c\u7cfb\u7edf\u5b89\u88c5\u5728SD\u5361\u4e0a\u3002<\/h2>\n<p>Mac\u306bRaspberry Pi Imager\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n<p>\u30e9\u30ba\u30d1\u30a4#1\u3068#2\u306eSD\u30ab\u30fc\u30c9\u306f32GB\u3092\u8d85\u3048\u3066\u3044\u308b\u305f\u3081\u3001\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5909\u66f4\u3057\u521d\u671f\u5316\u3002<\/p>\n<p>Samsung 128GB\/256GB\u306f\u3044\u305a\u308c\u3082exFAT\u3067\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u308b\u3002<br \/>\nRaspberry Pi\u306f\u300132GB\u3092\u8d85\u3048\u308bSD\u30ab\u30fc\u30c9\u304cFAT32\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u306a\u3044\u3068\u8a8d\u8b58\u3057\u306a\u3044\u3002<br \/>\n\u7aef\u672bMac\u306eDisk Utility\u3092\u4f7f\u3063\u3066\u3001MS-DOS (FAT)\u3092\u9078\u629e\u3057\u521d\u671f\u5316\u3059\u308b\u3002<\/p>\n<p>Raspberry Pi Imager\u3092\u8d77\u52d5\u3057\u3001Choose OS\u3067Raspberry Pi OS (other) &#8211;&gt; Raspberry Pi OS Lite (32-bit)\u3092\u9078\u629e\u3001SD Card\u306f\u5148\u307b\u3069\u521d\u671f\u5316\u3057\u305fSD\u30ab\u30fc\u30c9\u3092\u9078\u629e\u3059\u308b\u3002WRITE\u3067\u66f8\u304d\u8fbc\u307f\u958b\u59cb\u300210\u5206\u7a0b\u3067\u7d42\u4e86\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/21-0.png\" alt=\"image.png\" \/><\/div>\n<h2>2-2. \u542f\u52a8<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">SD\u30ab\u30fc\u30c9\u3092\u633f\u5165\u3057\u3066\u304b\u3089\u3001\u30e9\u30ba\u30d1\u30a4\u306e\u96fb\u6e90\u3092\u5165\u308c\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u6700\u521d\u306f\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u3068\u30ad\u30fc\u30dc\u30fc\u30c9\u985e\u3092\u63a5\u7d9a\u3059\u308b (\u305d\u306e\u305f\u3081\u4e00\u53f0\u4e00\u53f0\u3084\u308b\u5fc5\u8981\u304c\u3042\u308b)<br \/>\nTTY\u3067\u306e\u30ed\u30b0\u30a4\u30f3\u306f\u3001\u30e6\u30fc\u30b6\u540dpi, \u521d\u671f\u30d1\u30b9\u30ef\u30fc\u30c9raspberry\u3002<\/p>\n<h2>2-3. \u6811\u8393\u6d3e\u7684\u7f51\u7edc\u8bbe\u7f6e\u3002<\/h2>\n<p>\u767b\u5f55\u540e\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5f00\u59cb\u914d\u7f6e\u3002<\/p>\n<p>sudo raspi-config<br \/>\n\u5909\u66f4\u3059\u308b\u5185\u5bb9\u306f\u4ee5\u4e0b\u3002<\/p>\n<p>Hostname\u3092\u30e9\u30ba\u30d1\u30a4\u3054\u3068\u306b\u7570\u306a\u308b\u540d\u524d\u306b\u3059\u308b<br \/>\n(\u79c1\u306e\u5834\u5408\u306frp4-1, rp4-2)<br \/>\nSSH\u3092\u6709\u52b9\u5316\u3059\u308b<\/p>\n<p>sudo vi \/etc\/dhcpcd.conf<\/p>\n<p>IP\u30a2\u30c9\u30ec\u30b9\u3092\u56fa\u5b9a\u3059\u308b\u3002<br \/>\n# \u30af\u30e9\u30b9\u30bf\u5185\u90e8\u7528(\u6709\u7dda)<br \/>\ninterface eth0<br \/>\nstatic ip_address=192.168.1.101\/24<\/p>\n<p># \u5916\u90e8\u63a5\u7d9a\u7528(Wifi)<br \/>\ninterface wlan0<br \/>\nstatic ip_address=192.168.2.101\/24<br \/>\nstatic routers=192.168.0.1<br \/>\nstatic domain_name_servers=192.168.0.1<\/p>\n<p>sudo vi \/etc\/hosts<\/p>\n<p>\/etc\/hosts\u306b\u30af\u30e9\u30b9\u30bf\u5168\u30ce\u30fc\u30c9\u5206\u306e\u30db\u30b9\u30c8\u540d\u3092\u8ffd\u8a18\u3057\u3066\u304a\u304f\u3002\u3053\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u30af\u30e9\u30b9\u30bf\u5185\u3067\u4f7f\u7528\u3055\u308c\u308b\u3082\u306e\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b9\u30a4\u30c3\u30c1\u306b\u3064\u306a\u304c\u3063\u305fNIC\u306eIP\u3068\u3059\u308b\u3002<\/p>\n<p>192.168.1.101 rp4-1<br \/>\n192.168.1.102 rp4-2<br \/>\n192.168.1.103 rp3<\/p>\n<p>sudo reboot<br \/>\n\u7d42\u4e86\u3057\u305f\u3089hostname\u3092\u53cd\u6620\u3059\u308b\u305f\u3081\u306b\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n<h2>2-4.\uff08\u9009\u9879\uff09\u7b80\u5316\u767b\u5f55<\/h2>\n<p>\u8fd9\u8282\u7684\u5185\u5bb9\u662f\u4e3a\u4e86\u65b9\u4fbf SSH \u5373\u65f6\u767b\u5f55\uff0c\u4f46\u5e76\u975e\u5fc5\u9700\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e6\u30fc\u30b6pi\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u5909\u66f4<\/ul>\n<\/li>\n<\/ul>\n<p>\u30e6\u30fc\u30b6*pi\u3067\u30ed\u30b0\u30a4\u30f3\u5f8c\u3001passwd\u30b3\u30de\u30f3\u30c9\u3067\u30e6\u30fc\u30b6pi*\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5909\u66f4\u3059\u308b (\u30c7\u30d5\u30a9\u30eb\u30c8\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30e9\u30fc\u30c8\u304c\u51fa\u308b\u5834\u5408\u304c\u3042\u308b)<\/p>\n<p>SSH\u306b\u79d8\u5bc6\u9375\u3067\u30ed\u30b0\u30a4\u30f3\u53ef\u80fd\u306b\u3059\u308b<\/p>\n<p>\u30a2\u30af\u30bb\u30b9\u5143\u7aef\u672b\u3067\u4e00\u5ea6\u3060\u3051\u3001SSH\u7528\u306e\u30ad\u30fc\u3092ssh-keygen\u3067\u4f5c\u6210\u3057\u3066\u304a\u304f<br \/>\n(\u4f5c\u6210\u3057\u305f\u30ad\u30fc\u306f \u79d8\u5bc6\u9375.ssh\/raspi\/id_rsa\u3068\u516c\u958b\u9375.ssh\/raspi\/id_rsa.pub\u3068\u3059\u308b)<br \/>\n\u7aef\u672b\u304b\u3089\u5404\u30ce\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u516c\u958b\u9375\u3092\u9001\u4ed8\u3059\u308b<br \/>\nssh-copy-id -i ~\/.ssh\/raspi\/id_rsa.pub pi@<\/p>\n<p>\u30ed\u30b0\u30a4\u30f3\u76f4\u5f8c\u306eWelcome\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u7701\u7565\u3059\u308b\u8a2d\u5b9a<\/p>\n<p>\u5404\u30ce\u30fc\u30c9\u3067\u4ee5\u4e0b\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001*.hushlogin*\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210<br \/>\ntouch .hushlogin<\/p>\n<p>\u7aef\u672b\u306e\/etc\/hosts\u306b\u5404\u30db\u30b9\u30c8\u540d\u3092\u767b\u9332\u3002\u3053\u306e\u30db\u30b9\u30c8\u540d\u306f\u5916\u90e8\u63a5\u7d9a\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code>192.168.2.101 rp4-1\r\n192.168.2.102 rp4-2\r\n192.168.2.103 rp3\r\n<\/code><\/pre>\n<p>.ssh\/config\u3092\u8a2d\u5b9a\u3057\u3001ssh\u30b3\u30de\u30f3\u30c9\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f55\u5ea6\u3082\u6253\u305f\u306a\u304f\u3066\u826f\u3044\u3088\u3046\u306b\u3057\u3066\u304a\u304f<\/p>\n<pre class=\"post-pre\"><code>Host rp*\r\n    User pi\r\n    IdentityFile ~\/.ssh\/raspi\/id_rsa\r\nHost rp4-1\r\n    HostName rp4-1\r\nHost rp4-2\r\n    HostName rp4-2\r\nHost rp3\r\n    HostName rp3\r\n<\/code><\/pre>\n<p>\u7aef\u672b\u306e.zshrc\u3082\u3057\u304f\u306f.bashrc\u306b \u77ed\u7e2e\u30b3\u30de\u30f3\u30c9\u3092\u767b\u9332\u3057\u3066\u304a\u304f\u3002<\/p>\n<p>.zshrc \u306e\u5834\u5408<br \/>\nalias rp41=&#8221;ssh rp4-1&#8243; \u3068\u66f8\u3044\u3066\u304a\u3051\u3070\u3001\u4ee5\u964d\u306f\u30b3\u30de\u30f3\u30c9rp41\u3067\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b<\/p>\n<p>\u7aef\u672b\u3001\u30ce\u30fc\u30c9\u305d\u308c\u305e\u308c\u306btmux\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b (SSH\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u5207\u308c\u3066\u3082\u4f5c\u696d\u3092\u6b8b\u3059\u305f\u3081)<br \/>\nsudo apt update &amp;&amp; sudo apt install -y tmux<\/p>\n<h2>2-5. \u5b89\u88c5Docker<\/h2>\n<p>&nbsp;<\/p>\n<p>\u4f7f\u7528Debian\u5b89\u88c5\u6b65\u9aa4\u3002<\/p>\n<p>get-docker.sh\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/p>\n<pre class=\"post-pre\"><code>curl -fsSL https:\/\/get.docker.com -o get-docker.sh\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>sudo sh get-docker.sh\r\n<\/code><\/pre>\n<p>\u767b\u9304\u4e86 apt \u5eab\u7684\u5b58\u5132\u5eab\uff0c\u5b89\u88dd\u4e86 20.10.1 \u7248\u672c\uff0c\u4f46\u5f8c\u7e8c\u4f7f\u7528 kubeadm \u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/p>\n<pre class=\"post-pre\"><code>Client: Docker Engine - Community\r\n Version:           20.10.1\r\n(\u4e2d\u7565)\r\n\r\nServer: Docker Engine - Community\r\n Engine:\r\n  Version:          20.10.1\r\n(\u5f8c\u7565)\r\n<\/code><\/pre>\n<p>\u5378\u8f7d\u4e00\u6b21docker-ce\u3002<\/p>\n<pre class=\"post-pre\"><code>sudo apt remove docker-ce docker-ce-cli\r\n<\/code><\/pre>\n<p>\u4ece\u8fd9\u91cc\u5f00\u59cb\uff0c\u6309\u7167&#8221;\u5b89\u88c5Docker\u5f15\u64ce&#8221;\u4e2d\u7684&#8221;\u6309\u7167\u7279\u5b9a\u7248\u672c\u8fdb\u884c\u5b89\u88c5&#8221;\u7684\u65b9\u5f0f\u91cd\u65b0\u5b89\u88c5Docker\u3002<br \/>\n\u68c0\u67e5\u5176\u4ed6docker-ce\u7248\u672c\u3002<\/p>\n<pre class=\"post-pre\"><code>apt-cache madison docker-ce\r\n docker-ce | 5:20.10.1~3-0~raspbian-buster | https:\/\/download.docker.com\/linux\/raspbian buster\/stable armhf Packages\r\n docker-ce | 5:20.10.0~3-0~raspbian-buster | https:\/\/download.docker.com\/linux\/raspbian buster\/stable armhf Packages\r\n docker-ce | 5:19.03.14~3-0~raspbian-buster | https:\/\/download.docker.com\/linux\/raspbian buster\/stable armhf Packages\r\n docker-ce | 5:19.03.13~3-0~raspbian-buster | https:\/\/download.docker.com\/linux\/raspbian buster\/stable armhf Packages\r\n docker-ce | 5:19.03.12~3-0~raspbian-buster | https:\/\/download.docker.com\/linux\/raspbian buster\/stable armhf Packages\r\n docker-ce | 5:19.03.11~3-0~raspbian-buster | https:\/\/download.docker.com\/linux\/raspbian buster\/stable armhf Packages\r\n docker-ce | 5:19.03.10~3-0~raspbian-buster | https:\/\/download.docker.com\/linux\/raspbian buster\/stable armhf Packages\r\n<\/code><\/pre>\n<p>\u5b89\u88c5\u6700\u65b0\u53d1\u73b0\u7684\u4e1c\u897f\u5728\u8fd9\u91cc\u3002<\/p>\n<pre class=\"post-pre\"><code>sudo apt-get install docker-ce=5:19.03.14~3-0~raspbian-buster docker-ce-cli=5:19.03.14~3-0~raspbian-buster\r\n<\/code><\/pre>\n<p>\u5728docker-ce\u7684\u5b89\u88c5\u540e\u51fa\u73b0\u9519\u8bef\uff0c\u4f46\u5f53\u518d\u6b21\u6267\u884c\u5b89\u88c5\u547d\u4ee4\u65f6\uff0c\u4f1a\u6b63\u5e38\u7ed3\u675f\u3002<\/p>\n<p>\u6700\u540e\uff0c\u8d4b\u4e88docker\u547d\u4ee4\u7684\u6743\u9650\u3002<\/p>\n<pre class=\"post-pre\"><code>sudo usermod pi -aG docker\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u53cd\u6620\u53d8\u52a8\uff0c\u5148\u9000\u51fa\u767b\u5f55\u4e00\u6b21\uff08\u5982\u679ctmux\u6b63\u5728\u8fd0\u884c\uff0c\u4e5f\u8981\u5148\u505c\u6b62\u5b83\u4e00\u6b21\uff09\u3002<\/p>\n<p>\u91cd\u65b0\u767b\u5f55\u5230\u6811\u8393\u6d3e\uff0c\u901a\u8fc7docker version\u547d\u4ee4\u786e\u8ba4\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5747\u4e3a19.03\u7248\u672c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>docker version\r\nClient: Docker Engine - Community\r\n Version:           19.03.14\r\n<span class=\"o\">(<\/span>\u4e2d\u7565<span class=\"o\">)<\/span>\r\nServer: Docker Engine - Community\r\n Engine:\r\n  Version:          19.03.14\r\n<span class=\"o\">(<\/span>\u5f8c\u7565<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>kubeadm\u306e\u6e96\u5099<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u5728\u4f7f\u7528kubeadm\u5b89\u88c5Kubernetes\u65f6\u51fa\u73b0\u9519\u8bef\uff0c\u9700\u8981\u5728\u4ee5\u4e0b\u9879\u76ee\u4e2d\u63d0\u524d\u505a\u597d\u51c6\u5907\u3002<\/p>\n<p>\u8fd0\u884cdocker info\u547d\u4ee4\u65f6\uff0c\u6700\u540e\u4f1a\u8f93\u51fa\u5982\u4e0b\u8b66\u544a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>docker info\r\n<span class=\"o\">(<\/span>ellipsis<span class=\"o\">)<\/span>\r\nWARNING: No memory limit support\r\nWARNING: No swap limit support\r\nWARNING: No kernel memory limit support\r\nWARNING: No kernel memory TCP limit support\r\nWARNING: No oom <span class=\"nb\">kill <\/span>disable support\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5728\u5185\u6838\u547d\u4ee4\u884c\/boot\/cmdline.txt\u4e2d\u6dfb\u52a0\u9009\u9879\u3002\uff08cgroup_enable=memory\u7528\u4e8e\u542f\u7528cgroup\u7684\u5185\u5b58\u63a7\u5236\uff0c\u6700\u540e\u7684swapaccount=1\u7528\u4e8e\u9650\u5236\u4ea4\u6362\u7a7a\u95f4\uff09(\u53c2\u8003)<\/p>\n<pre class=\"post-pre\"><code><span class=\"gd\">- console=serial0,115200 console=tty1 root=PARTUUID=66dee106-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait\r\n<\/span><span class=\"gi\">+ console=serial0,115200 console=tty1 root=PARTUUID=66dee106-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait cgroup_enable=memory cgroup_memory=1 swapaccount=1\r\n<\/span><\/code><\/pre>\n<p>\u7531\u4e8eKubernetes\u5efa\u8bae\u5173\u95ed\u4ea4\u6362\uff08swap\uff09\uff0c\u56e0\u6b64\u5efa\u8bae\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u914d\u7f6e\u4ee5\u5220\u9664dphys\u3002\u540e\u4e24\u6761\u547d\u4ee4\u7528\u4e8e\u9632\u6b62\u8282\u70b9\u91cd\u65b0\u542f\u52a8\u540edphys\u88ab\u6062\u590d\u3002<\/p>\n<p>\u53c2\u8003\u94fe\u63a5\uff1a<br \/>\nhttps:\/\/raspberrypi.stackexchange.com\/questions\/84390\/how-to-permanently-disable-swap-on-raspbian-stretch-lite<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>dphys-swapfile swapoff\r\n<span class=\"nb\">sudo <\/span>dphys-swapfile uninstall\r\n<span class=\"nb\">sudo <\/span>update-rc.d dphys-swapfile remove\r\n<span class=\"nb\">sudo <\/span>apt purge dphys-swapfile\r\n<\/code><\/pre>\n<p>\u68c0\u67e5Docker\u4fe1\u606f\u4ee5\u786e\u4fdd\u6ca1\u6709\u51fa\u73b0\u8b66\u544a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>docker info\r\n\r\n<span class=\"o\">(<\/span>no warning<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86Kubernetes\u7684kubeproxy\u7b49\u529f\u80fd\u800c\u542f\u7528iptables\uff0c\u4e0d\u518d\u4f7f\u7528iptables\u800c\u662f\u4f7f\u7528nftables\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>iptables <span class=\"nt\">-F<\/span>\r\n<span class=\"nb\">sudo <\/span>update-alternatives <span class=\"nt\">--set<\/span> iptables \/usr\/sbin\/iptables-legacy\r\n<span class=\"nb\">sudo <\/span>update-alternatives <span class=\"nt\">--set<\/span> ip6tables \/usr\/sbin\/ip6tables-legacy\r\n<span class=\"nb\">sudo <\/span>reboot\r\n<\/code><\/pre>\n<ul class=\"post-ul\">cgroup driver\u3092\u8a2d\u5b9a\u3002<\/ul>\n<p>\u53c2\u8003\u4f7f\u7528\u6811\u8393\u6d3e\u642d\u5efa\u4e00\u4e2aKubernetes\u96c6\u7fa4\u3002<\/p>\n<pre class=\"post-pre\"><code>sudo cat &lt;&lt;EOF | sudo tee \/etc\/docker\/daemon.json\r\n{\r\n  \"exec-opts\": [\"native.cgroupdriver=systemd\"],\r\n  \"log-driver\": \"json-file\",\r\n  \"log-opts\": {\r\n    \"max-size\": \"100m\"\r\n  },\r\n  \"storage-driver\": \"overlay2\"\r\n}\r\nEOF\r\n\r\nsudo systemctl restart docker\r\n<\/code><\/pre>\n<p>\u5982\u679c\u6ca1\u6709\u8fdb\u884c\u6b64\u8bbe\u5b9a\uff0c\u5c06\u5728\u540e\u7eed\u7684kubeadm\u64cd\u4f5c\u4e2d\u51fa\u73b0\u4ee5\u4e0b\u8b66\u544a\u3002<\/p>\n<pre class=\"post-pre\"><code>        [WARNING IsDockerSystemdCheck]: detected \"cgroupfs\" as the Docker cgroup driver. The recommended driver is \"systemd\". Please follow the guide at https:\/\/kubernetes.io\/docs\/setup\/cri\/\r\n<\/code><\/pre>\n<p>\u8bf7\u5728\u4ee5\u4e0b\u786e\u8ba4\u662f\u5426\u5df2\u7ecf\u6b63\u786e\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>docker info\r\n<span class=\"o\">(<\/span>\u4e2d\u7565<span class=\"o\">)<\/span>\r\n Cgroup Driver: systemd\r\n<\/code><\/pre>\n<p>br-netfilter\u304c\u6709\u52b9\u304b\u306e\u30c1\u30a7\u30c3\u30af<\/p>\n<p>\u6309\u7167kubeadm\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<pre class=\"post-pre\"><code>lsmod | grep br_netfilter\r\n<\/code><\/pre>\n<ul class=\"post-ul\">iptable\u304c\u6709\u52b9\u306a\u3053\u3068\u3092\u30c1\u30a7\u30c3\u30af\u3002<\/ul>\n<p>\u53c2\u8003\u5b89\u88c5kubeadm\u7684\u6b65\u9aa4\u3002<\/p>\n<pre class=\"post-pre\"><code>$ sudo sysctl net\/bridge\/bridge-nf-call-iptables\r\nnet.bridge.bridge-nf-call-iptables = 1\r\n$ sudo sysctl net\/bridge\/bridge-nf-call-ip6tables\r\nnet.bridge.bridge-nf-call-ip6tables = 1\r\n<\/code><\/pre>\n<h1>\u5b89\u88c5 Kubernetes\u3002<\/h1>\n<p>\u6309\u7167kubeadm\u4e0a\u6240\u63d0\u5230\u7684Ubuntu\/Debian\u64cd\u4f5c\u6b65\u9aa4\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<h2>3-1. \u6240\u6709\u8282\u70b9\u90fd\u9700\u8981\u5171\u540c\u51c6\u5907\u7684\u4e8b\u9879<\/h2>\n<p>kubeadm, kubelet, kubectl\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>apt-get update <span class=\"o\">&amp;&amp;<\/span> <span class=\"nb\">sudo <\/span>apt-get <span class=\"nb\">install<\/span> <span class=\"nt\">-y<\/span> apt-transport-https curl\r\ncurl <span class=\"nt\">-s<\/span> https:\/\/packages.cloud.google.com\/apt\/doc\/apt-key.gpg | <span class=\"nb\">sudo <\/span>apt-key add -\r\n<span class=\"nb\">cat<\/span> <span class=\"o\">&lt;&lt;<\/span><span class=\"no\">EOF<\/span><span class=\"sh\"> | sudo tee \/etc\/apt\/sources.list.d\/kubernetes.list\r\ndeb https:\/\/apt.kubernetes.io\/ kubernetes-xenial main\r\n<\/span><span class=\"no\">EOF\r\n<\/span><span class=\"nb\">sudo <\/span>apt-get update\r\n<span class=\"c\"># kubernetes 1.19\u306e\u5834\u5408 (2021\u5e741\u6708\u691c\u8a3c\u6642)<\/span>\r\n<span class=\"nb\">sudo <\/span>apt-get <span class=\"nb\">install<\/span> <span class=\"nt\">-y<\/span> <span class=\"nv\">kubelet<\/span><span class=\"o\">=<\/span>1.19.6-00 <span class=\"nv\">kubeadm<\/span><span class=\"o\">=<\/span>1.19.6-00 <span class=\"nv\">kubectl<\/span><span class=\"o\">=<\/span>1.19.6-00\r\n<span class=\"c\"># kubernetes 1.22\u306e\u5834\u5408 (2022\u5e743\u6708\u691c\u8a3c\u6642)<\/span>\r\n<span class=\"nb\">sudo <\/span>apt-get <span class=\"nb\">install<\/span> <span class=\"nt\">-y<\/span> <span class=\"nv\">kubelet<\/span><span class=\"o\">=<\/span>1.22.7-00 <span class=\"nv\">kubeadm<\/span><span class=\"o\">=<\/span>1.22.7-00 <span class=\"nv\">kubectl<\/span><span class=\"o\">=<\/span>1.22.7-00\r\n\r\n<span class=\"nb\">sudo <\/span>apt-mark hold kubelet kubeadm kubectl\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5728\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u7684\u6700\u65b0\u7248\u672ckubelet 1.20.1\u65f6\uff0ckube-apiserver\u3001controller-manager\u548cscheduler\u4f1a\u53d1\u751f\u5e73\u5747\u6bcf10\u5206\u949f\u91cd\u542f\u4e00\u6b21\u7684\u73b0\u8c61\u3002\u56e0\u6b64\uff0c\u5fc5\u987b\u518d\u6b21\u4f7f\u7528\u4e0a\u8ff0\u547d\u4ee4\u5c06\u7248\u672c\u56de\u9000\u52301.19.6\uff08\u8fd9\u4e2a\u8fc7\u7a0b\u82b1\u8d39\u4e86\u5927\u7ea6\u4e00\u5468\u65f6\u95f4\uff09\u3002<\/p>\n<p>\u3010\u4fee\u6b63\u540e\uff1a\u51fa\u73b0\u6545\u969c\u3011<\/p>\n<pre class=\"post-pre\"><code>sudo apt-get install -y kubelet kubeadm kubectl\r\nsudo apt-mark hold kubelet kubeadm kubectl\r\n<\/code><\/pre>\n<h2>\u5efa\u7acb\u63a7\u5236\u5e73\u9762\u8282\u70b9\u3002<\/h2>\n<p>\u6309\u7167 kubernetes.io \u7684\u6b65\u9aa4\u8fdb\u884c\u6267\u884c\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u57fa\u672c\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code>kubeadm init <span class=\"nt\">--pod-network-cidr<\/span><span class=\"o\">=<\/span>10.244.0.0\/16 <span class=\"nt\">--ignore-preflight-errors<\/span><span class=\"o\">=<\/span>Mem\r\n<\/code><\/pre>\n<p>\u5728\u6211\u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u6dfb\u52a0\u4e86\u4ee5\u4e0b\u9009\u9879\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30af\u30e9\u30b9\u30bf\u5185\u7528\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u3042\u308b\u306e\u3067\u3001\u305d\u306eIP\u30a2\u30c9\u30ec\u30b9192.168.1.101\u3092API\u30b5\u30fc\u30d0\u306b\u4f7f\u3063\u3066\u3082\u3089\u3046\u30aa\u30d7\u30b7\u30e7\u30f3\u8a2d\u5b9a\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&#8211;apiserver-cert-extra-sans\u306f\u3001\u516c\u958b\u7528\u306eIP\u30a2\u30c9\u30ec\u30b9\u3082\u3057\u304f\u306f\u30db\u30b9\u30c8\u540d\u3092,\u533a\u5207\u308a\u3067\u5217\u6319\u3059\u308b\u3002kubernetes.io\u53c2\u8003\u3002<br \/>\nMem\u3092\u5165\u308c\u308b\u306e\u306f\u3001kubeadm\u306e\u30e1\u30e2\u30ea\u8a08\u7b97\u30d0\u30b0\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u3002<\/p>\n<pre class=\"post-pre\"><code>kubeadm init <span class=\"nt\">--pod-network-cidr<\/span><span class=\"o\">=<\/span>10.244.0.0\/16 <span class=\"nt\">--apiserver-advertise-address<\/span><span class=\"o\">=<\/span>192.168.1.101 <span class=\"nt\">--apiserver-cert-extra-sans<\/span><span class=\"o\">=<\/span>192.168.2.101,rp4-1 <span class=\"nt\">--ignore-preflight-errors<\/span><span class=\"o\">=<\/span>Mem\r\n<\/code><\/pre>\n<p>\u8bb0\u4f4f\u4ee5\u4e0b\u547d\u4ee4\uff0c\u5b83\u4f1a\u5728\u6b63\u5e38\u7ed3\u675f\u65f6\u663e\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>kubeadm join 192.168.1.101:6443 --token urrb14.moqc3cofej5c23n6 \\\r\n    --discovery-token-ca-cert-hash sha256:0cd452e9011994c2e58622e6f098e58df67414ec57e321645fb804715385e20e\r\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u60a8\u8fd8\u9700\u8981\u590d\u5236\u7528\u4e8e\u96c6\u7fa4\u8fde\u63a5\u7684kubeconfig\u914d\u7f6e\u6587\u4ef6\uff0c\u5e76\u5728\u6700\u540e\u8fdb\u884c\u663e\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>  mkdir -p $HOME\/.kube\r\n  sudo cp -i \/etc\/kubernetes\/admin.conf $HOME\/.kube\/config\r\n  sudo chown $(id -u):$(id -g) $HOME\/.kube\/config\r\n<\/code><\/pre>\n<h2>\u6dfb\u52a0\u5de5\u4f5c\u8282\u70b9<\/h2>\n<p>\u5728\u5de5\u4f5c\u8282\u70b9\u4e0a\u6267\u884c\u5728\u6784\u5efakubeadm\u63a7\u5236\u5e73\u9762\u8282\u70b9\u65f6\u663e\u793a\u7684\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code>kubeadm <span class=\"nb\">join <\/span>192.168.1.101:6443 <span class=\"nt\">--token<\/span> urrb14.moqc3cofej5c23n6 <span class=\"se\">\\<\/span>\r\n    <span class=\"nt\">--discovery-token-ca-cert-hash<\/span> sha256:0cd452e9011994c2e58622e6f098e58df67414ec57e321645fb804715385e20e\r\n<\/code><\/pre>\n<p>\u5982\u679c\u4ee5\u6b63\u5e38\u65b9\u5f0f\u663e\u793a\uff0c\u5219\u8868\u793a\u5df2\u6210\u529f\u7ed3\u675f\u3002<\/p>\n<pre class=\"post-pre\"><code>This node has joined the cluster:\r\n* Certificate signing request was sent to apiserver and a response was received.\r\n* The Kubelet was informed of the new secure connection details.\r\n\r\nRun 'kubectl get nodes' on the control-plane to see this node join the cluster.\r\n<\/code><\/pre>\n<p>\u5982\u679c\u63a7\u5236\u5e73\u9762\u8282\u70b9\u4ee5\u4ee5\u4e0b\u65b9\u5f0f\u663e\u793a\uff0c\u90a3\u5c31\u4ee3\u8868\u6210\u529f\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl get nodes\r\nNAME    STATUS     ROLES                  AGE   VERSION\r\n<\/code><\/pre>\n<h2>\u5c06kubeadm\u751f\u6210\u7684.kube\/config\u6587\u4ef6\u590d\u5236\u5230\u7ec8\u7aef\u8bbe\u5907\u3002<\/h2>\n<p>\u4e3a\u4e86\u4ece\u63a7\u5236\u9762\u8282\u70b9\u590d\u5236\u5230\u7ec8\u7aef\uff0c\u4ece\u7ec8\u7aef\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code>scp pi@rp4-1:\/home\/pi\/.kube\/config ~\/.kube\/rpkubeconfig\r\n<\/code><\/pre>\n<p>\u5982\u679c\u8981\u4ece\u7ec8\u7aef\u8bbf\u95ee\u6811\u8393\u6d3e\uff0c\u5219\u5fc5\u987b\u4f7f\u7528\u5916\u90e8IP\u5730\u5740\uff0c\u56e0\u6b64\u5148\u524d\u83b7\u53d6\u7684config\u6587\u4ef6\u9700\u8981\u8fdb\u884c\u4fee\u6539\u4ee5\u9002\u5e94\u76ee\u6807\u5730\u5740\u3002<\/p>\n<pre class=\"post-pre\"><code>vi ~\/.kube\/rpkubeconfig\r\n<\/code><\/pre>\n<p>\u6539\u6b63\u7684\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">apiVersion: v1\r\nclusters:\r\n<\/span><span class=\"gd\">- cluster:\r\n<\/span>    certificate-authority-data: DEDACTED\r\n<span class=\"gd\">-     server: https:\/\/192.168.1.101:6443  # \u5185\u90e8\u5411\u3051IP\u30a2\u30c9\u30ec\u30b9\r\n<\/span><span class=\"gi\">+     server: https:\/\/rp4-1:6443\u3000# \u5916\u90e8\u5411\u3051IP\u30a2\u30c9\u30ec\u30b9\r\n<\/span><\/code><\/pre>\n<p>\u5728\u8bbe\u5907\u4e0a\u9884\u5148\u5b89\u88c5kubectl\u3002<\/p>\n<p>\u4e3a\u4e86\u6700\u540e\u786e\u8ba4\uff0c\u4f7f\u7528kubectl\u8fde\u63a5\u5230\u96c6\u7fa4\u3002<\/p>\n<pre class=\"post-pre\"><code>$ export KUBECONFIG=$HOME\/.kube\/rpkubeconfig\r\n$ kubectl get nodes\r\n\r\nNAME    STATUS     ROLES                  AGE   VERSION\r\nrp3     NotReady   &lt;none&gt;                 28m   v1.20.1\r\nrp4-1   NotReady   control-plane,master   21h   v1.20.1\r\nrp4-2   NotReady   &lt;none&gt;                 21h   v1.20.1\r\n<\/code><\/pre>\n<h2>\u5b89\u88c5CNI\uff08Flannel\uff09\u3002<\/h2>\n<p>\u53ea\u9700\u5728\u7ec8\u7aef\u6216\u63a7\u5236\u5e73\u9762\u8282\u70b9\u4e2d\u6267\u884c\u4e0a\u8ff0\u64cd\u4f5c\u4e00\u6b21\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl apply -f https:\/\/raw.githubusercontent.com\/coreos\/flannel\/master\/Documentation\/kube-flannel.yml\r\npodsecuritypolicy.policy\/psp.flannel.unprivileged created\r\nclusterrole.rbac.authorization.k8s.io\/flannel created\r\nclusterrolebinding.rbac.authorization.k8s.io\/flannel created\r\nserviceaccount\/flannel created\r\nconfigmap\/kube-flannel-cfg created\r\ndaemonset.apps\/kube-flannel-ds created\r\n<\/code><\/pre>\n<p>\u518d\u6b21\u68c0\u67e5\u8282\u70b9\u72b6\u6001\uff0c\u56e0\u4e3a\u901a\u8fc7CNI\u5df2\u7ecf\u5efa\u7acb\u4e86\u96c6\u7fa4\u5185\u90e8\u7f51\u7edc\uff0c\u6240\u4ee5\u6bcf\u4e2a\u8282\u70b9\u90fd\u53d8\u4e3aReady\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl get nodes\r\nNAME    STATUS   ROLES                  AGE   VERSION\r\nrp3     Ready    &lt;none&gt;                 30m   v1.20.1\r\nrp4-1   Ready    control-plane,master   21h   v1.20.1\r\nrp4-2   Ready    &lt;none&gt;                 21h   v1.20.1\r\n<\/code><\/pre>\n<h2>\u521b\u5efa\u4e00\u4e2a\u7528\u4e8e\u5b58\u50a8\u6570\u636e\u7684\u5b58\u50a8\u7c7b\u3002<\/h2>\n<p>\u521d\u59cb\u5316\u7528\u4e8e\u5b58\u50a8Kubernetes\u6570\u636e\u6240\u9700\u7684\u5b58\u50a8\u7c7b\u522b\u3002<\/p>\n<ul class=\"post-ul\">\u69d8\u3005\u306a\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u7a2e\u985e\u304c\u3042\u308b\u304c\u3001\u4eca\u56de\u306f\u30af\u30e9\u30b9\u30bf\u306e\u5404\u30ce\u30fc\u30c9\u306e\u30ed\u30fc\u30ab\u30eb\u30c7\u30a3\u30b9\u30af\u3092\u4f7f\u3046Local path provisioner\u3092\u4f7f\u7528\u3059\u308b<\/ul>\n<pre class=\"post-pre\"><code>kubectl apply <span class=\"nt\">-f<\/span> https:\/\/raw.githubusercontent.com\/rancher\/local-path-provisioner\/master\/deploy\/local-path-storage.yaml\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u4f5c\u6210\u3057\u305f\u30b9\u30c8\u30ec\u30fc\u30b8\u30af\u30e9\u30b9\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306b\u3059\u308b<\/ul>\n<pre class=\"post-pre\"><code>kubectl patch storageclass local-path <span class=\"nt\">-p<\/span> <span class=\"s1\">'{\"metadata\": {\"annotations\":{\"storageclass.kubernetes.io\/is-default-class\":\"true\"}}}'<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9\u3067local-path\u304c\u8868\u793a\u3055\u308c\u308c\u3070\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5b8c\u4e86\u3002<\/ul>\n<pre class=\"post-pre\"><code>NAME                   PROVISIONER             RECLAIMPOLICY   VOLUMEBINDINGMODE      ALLOWVOLUMEEXPANSION   AGE\r\nlocal-path <span class=\"o\">(<\/span>default<span class=\"o\">)<\/span>   rancher.io\/local-path   Delete          WaitForFirstConsumer   <span class=\"nb\">false                  <\/span>87m\r\n<\/code><\/pre>\n<h2>\u5c06\u8282\u70b9\u7684\u7c7b\u578b\u6ce8\u518c\u4e3a\u6807\u7b7e\u3002<\/h2>\n<ul class=\"post-ul\">\u5927\u304d\u306a\u30c7\u30a3\u30b9\u30af\u3092\u7a4d\u3093\u3060\u30e9\u30ba\u30d1\u30a4\u306b\u30e9\u30d9\u30eb\u3092\u8cbc\u308b (\u5f8c\u306e3-4\u3067Prometheus\u3092\u9078\u629e\u7684\u306b\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u305f\u3081)<\/ul>\n<pre class=\"post-pre\"><code>kubectl label nodes rp4-1 raspi-disk<span class=\"o\">=<\/span>large\r\nkubectl label nodes rp4-2 raspi-disk<span class=\"o\">=<\/span>large\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30a8\u30c3\u30b8\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u30e9\u30ba\u30d1\u30a4\u306b\u30e9\u30d9\u30eb\u3092\u8cbc\u308b (3-4\u3067Web API\u3092\u9078\u629e\u7684\u306b\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u305f\u3081\uff09<\/ul>\n<pre class=\"post-pre\"><code>kubectl label nodes rp3 raspi-humid<span class=\"o\">=<\/span><span class=\"nb\">true\r\n<\/span>kubectl label nodes rp3 raspi-temp<span class=\"o\">=<\/span><span class=\"nb\">true<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e9\u30d9\u30eb\u304c\u6b63\u3057\u304f\u632f\u3089\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>\u5927\u304d\u306a\u30c7\u30a3\u30b9\u30af\u3092\u7a4d\u3093\u3060rp4-1\u3068rp4-2\u306b\u6b63\u3057\u304f\u30e9\u30d9\u30ebraspi-disk=large\u304c\u632f\u3089\u308c\u3066\u3044\u308b<br \/>\n\u30a8\u30c3\u30b8\u3068\u3057\u3066\u4f7f\u7528\u3059\u308brp3\u306b\u6b63\u3057\u304f\u30e9\u30d9\u30ebraspi-temp=true\u3068raspi-humid=true\u304c\u632f\u3089\u308c\u3066\u3044\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl get nodes <span class=\"nt\">--show-labels<\/span>\r\nNAME    STATUS   ROLES                  AGE     VERSION   LABELS\r\nrp3     Ready    &lt;none&gt;                 5d19h   v1.20.1   beta.kubernetes.io\/arch<span class=\"o\">=<\/span>arm,beta.kubernetes.io\/os<span class=\"o\">=<\/span>linux,kubernetes.io\/arch<span class=\"o\">=<\/span>arm,kubernetes.io\/hostname<span class=\"o\">=<\/span>rp3,kubernetes.io\/os<span class=\"o\">=<\/span>linux,raspi-humid<span class=\"o\">=<\/span><span class=\"nb\">true<\/span>,raspi-temp<span class=\"o\">=<\/span><span class=\"nb\">true\r\n<\/span>rp4-1   Ready    control-plane,master   6d16h   v1.20.1   beta.kubernetes.io\/arch<span class=\"o\">=<\/span>arm,beta.kubernetes.io\/os<span class=\"o\">=<\/span>linux,kubernetes.io\/arch<span class=\"o\">=<\/span>arm,kubernetes.io\/hostname<span class=\"o\">=<\/span>rp4-1,kubernetes.io\/os<span class=\"o\">=<\/span>linux,node-role.kubernetes.io\/control-plane<span class=\"o\">=<\/span>,node-role.kubernetes.io\/master<span class=\"o\">=<\/span>,raspi-disk<span class=\"o\">=<\/span>large\r\nrp4-2   Ready    &lt;none&gt;                 6d16h   v1.20.1   beta.kubernetes.io\/arch<span class=\"o\">=<\/span>arm,beta.kubernetes.io\/os<span class=\"o\">=<\/span>linux,kubernetes.io\/arch<span class=\"o\">=<\/span>arm,kubernetes.io\/hostname<span class=\"o\">=<\/span>rp4-2,kubernetes.io\/os<span class=\"o\">=<\/span>linux,raspi-disk<span class=\"o\">=<\/span>large\r\n<\/code><\/pre>\n<h2>\u5f15\u5165\u4e00\u79cd\u8f6f\u4ef6\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u53ef\u4ee5\u81ea\u52a8\u5206\u914d\u5916\u90e8\u96c6\u7fa4\u8bbf\u95ee\u7684IP\u3002<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">MetalLB\u3092Kubernetes\u5185\u306b\u5c0e\u5165\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306fMetalLB: INSTALLATION\u3001\u8a2d\u5b9a\u306fLayer 2 Configuration<\/p>\n<p>\u307e\u305a\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067MetalLB\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>kubectl apply <span class=\"nt\">-f<\/span> https:\/\/raw.githubusercontent.com\/metallb\/metallb\/v0.9.5\/manifests\/namespace.yaml\r\nkubectl apply <span class=\"nt\">-f<\/span> https:\/\/raw.githubusercontent.com\/metallb\/metallb\/v0.9.5\/manifests\/metallb.yaml\r\nkubectl create secret generic <span class=\"nt\">-n<\/span> metallb-system memberlist <span class=\"nt\">--from-literal<\/span><span class=\"o\">=<\/span><span class=\"nv\">secretkey<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"<\/span><span class=\"si\">$(<\/span>openssl rand <span class=\"nt\">-base64<\/span> 128<span class=\"si\">)<\/span><span class=\"s2\">\"<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u3001\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u7aef\u672b\u3067\u4f5c\u6210\u3057\u3001kubectl\u30b3\u30de\u30f3\u30c9\u3067\u6d41\u3057\u8fbc\u3080\u3053\u3068\u3067\u8a2d\u5b9a\u304c\u5b8c\u4e86\u3059\u308b\u3002<\/ul>\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\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ConfigMap<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">metallb-system<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">config<\/span>\r\n<span class=\"na\">data<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">config<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">|<\/span>\r\n    <span class=\"s\">address-pools:<\/span>\r\n    <span class=\"s\">- name: default<\/span>\r\n      <span class=\"s\">protocol: layer2<\/span>\r\n      <span class=\"s\">addresses:<\/span>\r\n      <span class=\"s\">- 192.168.0.70-192.168.0.99<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>kubectl apply <span class=\"nt\">-f<\/span> config.yaml\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\u5206\u914d\u7684IP\u5730\u5740\u8303\u56f4192.168.0.70-99\u6307\u5b9a\u4e86\u65e0\u7ebf\u5c40\u57df\u7f51IP\u8303\u56f4\u5185\u672a\u4f7f\u7528\u7684\u90e8\u5206\u3002\u53e6\u5916\uff0cMetalLB\u5c06\u4ee5Layer2\u6a21\u5f0f\u8fd0\u884c\u3002<\/p>\n<p>promisc\u8a2d\u5b9a<\/p>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cMetalLB\u5728\u4e3a\u670d\u52a1\u5206\u914d\u8303\u56f4\u5185\u7684IP\u5730\u5740\u540e\uff0c\u9700\u8981\u901a\u8fc7wlan0\u5e7f\u64adARP\u4ee5\u8fdb\u884c\u901a\u544a\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u5728\u6811\u8393\u6d3e\u4e0a\u53ef\u80fd\u65e0\u6cd5\u901a\u8fc7\u7f51\u7edc\u63a5\u53e3\u5361\u8fdb\u884c\u6b64\u8bbe\u7f6e\u3002\u8be6\u7ec6\u4fe1\u606f\u8bf7\u70b9\u51fb\u6b64\u5904\u3002\u6839\u636e\u8be5\u9875\u9762\u6240\u8ff0\uff0c\u5fc5\u987b\u4f7f\u7528\u6df7\u6742\u6a21\u5f0f\u3002<\/p>\n<p>\u5728\u8fd9\u4e2a\u7279\u5b9a\u73af\u5883\u4e0b\uff0c\u786e\u5b9e\u5728\u672a\u8fdb\u884c\u8bbe\u7f6e\u7684\u60c5\u51b5\u4e0b\uff0c\u65e0\u6cd5\u4ece\u5916\u90e8\u8bbf\u95ee\u5230 IP \u5730\u5740\u3002<\/p>\n<p>\u4e3a\u4e86\u8ba9\u4f60\u53ef\u4ee5\u8bbf\u95ee\uff0c\u9700\u8981\u8fdb\u884c\u4ee5\u4e0b\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code>sudo ifconfig wlan0 promisc\r\n<\/code><\/pre>\n<p>\u5728\u8bbe\u7f6e\u540e\uff0c\u4f7f\u7528ifconfig\u547d\u4ee4\u8f93\u51fa\u5c06\u663e\u793a\u5982\u4e0b\uff0c\u8868\u793a\u5904\u4e8e\u6df7\u6742\u6a21\u5f0f\uff08PROMISC\uff09\uff1a<\/p>\n<pre class=\"post-pre\"><code>$ ifconfig wlan0\r\nwlan0: flags=4419&lt;UP,BROADCAST,RUNNING,PROMISC,MULTICAST&gt;  mtu 1500\r\n<\/code><\/pre>\n<p>\u5982\u679c\u8981\u53d6\u6d88\u8bbe\u7f6e\uff08\u4f8b\u5982\u4e0d\u518d\u4f7f\u7528MetalLB\uff09\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code>sudo ifconfig wlan0 -promisc\r\n<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u5f53\u8282\u70b9\u91cd\u65b0\u542f\u52a8\u65f6\uff0c\u8be5\u89e3\u9501\u5c06\u88ab\u64a4\u9500\u3002\u4e3a\u4e86\u5728\u91cd\u65b0\u542f\u52a8\u540e\u4fdd\u6301\u76f8\u540c\u7684\u914d\u7f6e\uff0c\u6267\u884csudo crontab -e\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code>@reboot sudo ifconfig wlan0 promisc\r\n<\/code><\/pre>\n<p>\u5728\u6700\u540e\u4e00\u884c\u6dfb\u52a0\u3002<\/p>\n<p>\u5982\u679c\u663e\u793a\u201ccrontab: installing new crontab\u201d\uff0c\u5c31\u8868\u793a\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n<h2>3-9. \u5b8c\u6210\u96c6\u7fa4\u540e\uff0c\u8bf7\u786e\u8ba4\u8282\u70b9\u72b6\u6001\u3002<\/h2>\n<p>\u4ee5\u4e0b\u662f\u63a7\u5236\u5e73\u9762\u8282\u70b9\u7684\u5185\u5b58\u3002<\/p>\n<pre class=\"post-pre\"><code>$ free -m\r\n              total        used        free      shared  buff\/cache   available\r\nMem:           7875         476        6706           9         693        7220\r\nSwap:             0           0           0\r\n<\/code><\/pre>\n<p>\u5185\u5b58\u5bb9\u91cf\u4e3a8GB\uff0c\u4f7f\u7528\u91cf\u4e3a476MB\uff0c\u6ca1\u6709\u88ab\u7f13\u5b58\u4f7f\u7528\u7684\u7a7a\u95f2\u5185\u5b58\u7ea6\u4e3a6.7GB\uff0c\u6709\u5145\u8db3\u7684\u4f59\u91cf\u3002<\/p>\n<p>\u7b2c\u4e8c\u4e2a\u6811\u8393\u6d3e\u5de5\u4f5c\u8282\u70b9<\/p>\n<pre class=\"post-pre\"><code>$ free -m\r\n              total        used        free      shared  buff\/cache   available\r\nMem:           7875         206        7208           9         461        7450\r\nSwap:             0           0           0\r\n<\/code><\/pre>\n<p>\u514d\u8d39\u7a7a\u95f4\u4e3a7.2GB\uff0c\u5e76\u4e14\u8fd8\u6709\u66f4\u591a\u7684\u989d\u5916\u7a7a\u95f4\u3002<\/p>\n<p>\u6211\u5728\u642d\u8f7d1GB\u5185\u5b58\u7684\u6700\u5c0f\u4e14\u6027\u80fd\u8f83\u5f31\u7684\u6811\u8393\u6d3e#3\u4e0a\u786e\u8ba4\u4e86\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n<pre class=\"post-pre\"><code>$ free -m\r\n              total        used        free      shared  buff\/cache   available\r\nMem:            924         181          98          18         644         684\r\nSwap:             0           0           0\r\n<\/code><\/pre>\n<p>\u642d\u8f7d\u76841GB\u5185\u5b58\u4f7f\u7528\u91cf\u4e3a181MB\uff0c\u8fd8\u6709\u5f88\u591a\u4f59\u91cf\u3002\u7136\u800c\uff0c\u5176\u4e2d\u4ee5\u7f13\u51b2\u533a\u6240\u4f7f\u7528\u7684\u90e8\u5206\u4e3a644MB\uff0c\u5360\u636e\u4e86\u8f83\u5927\u7684\u6bd4\u4f8b\u3002<\/p>\n<h1>4. \u9762\u5411\u8fb9\u7f18\u5f00\u53d1\u548c\u90e8\u7f72\u7684\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u3002<\/h1>\n<p>\u5728\u5df2\u7ecf\u5b8c\u6210\u7684\u96c6\u7fa4\u4e2d\u90e8\u7f72\u8fb9\u7f18\u5e94\u7528\u7a0b\u5e8f\u5e76\u6784\u5efa\u6570\u636e\u6536\u96c6\u7cfb\u7edf\u3002<\/p>\n<h2>4-1. \u8fb9\u7f18\u5e94\u7528\u7a0b\u5e8f\u7684\u6982\u8ff0<\/h2>\n<p>\u76ee\u6807\u662f\u5b9e\u65f6\u53ef\u89c6\u5316\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u7684\u4fe1\u606f\uff0c\u5e76\u53ef\u5728\u624b\u673a\u7b49\u8bbe\u5907\u4e0a\u8fdb\u884c\u786e\u8ba4\uff08\u53c2\u89c1\u4e0b\u56fe\uff09\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/170-0.png\" alt=\"\" \/><\/div>\n<p>\u901a\u8fc7\u5c06\u4f20\u611f\u5668\u6570\u636e\u89e3\u6790\u7684Python\u5e94\u7528\u7a0b\u5e8f\u4e0e\u540e\u7aef\u5b58\u50a8\u548c\u6536\u96c6\u7cfb\u7edf(Prometheus)\u4ee5\u53ca\u53ef\u89c6\u5316\u524d\u7aef\u754c\u9762(Grafana)\u76f8\u7ed3\u5408\uff0c\u6784\u5efa\u7cfb\u7edf\u3002<\/p>\n<p>\u4f7f\u7528Python\u5e94\u7528\u7a0b\u5e8f\u548cPrometheus\/Grafana\u7684\u914d\u7f6e\u662f\u53c2\u8003\u4e86\u8fd9\u7bc7\u6587\u7ae0\u3002<br \/>\nhttps:\/\/dev.to\/pdambrauskas\/monitoring-apartment-temperature-humidity-with-raspberry-pi-prometheus-grafana-1i48<\/p>\n<p>\u4f7f\u7528Python\u5e94\u7528\u7a0b\u5e8f\u548cPrometheus\/Grafana\u6765\u8fdb\u884c\u914d\u7f6e\uff0c\u6211\u4eec\u53c2\u8003\u4e86\u8fd9\u7bc7\u6587\u7ae0\u3002<\/p>\n<h2>4-2. \u5b89\u88c5\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668<\/h2>\n<p>\u6211\u5c06DHT11\u4f20\u611f\u5668\u8fde\u63a5\u5230\u6811\u8393\u6d3eRP3\u4e0a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/175-0.jpg\" alt=\"image\" \/><\/div>\n<p>\u8fde\u63a5\u7aef\u5b50\u7684\u5173\u7cfb<\/p>\n<div>\n<div class=\"post-table\">DHT11\u306e\u7aef\u5b50\u63a5\u7d9a\u5148\u306eGPIO<code>VCC<\/code>5V pin<code>DATA<\/code><code>GPIO19<\/code> (\u30d7\u30eb\u30a2\u30c3\u30d7\u306f\u4ed8\u5c5e\u57fa\u76e4\u5185\u3067\u5b8c\u7d50\u3057\u3066\u3044\u308b\u305f\u3081\u62b5\u6297\u306f\u7528\u610f\u305b\u305a\u76f4\u7d50)<code>GND<\/code>GND pin<\/div>\n<\/div>\n<h2>4-3. \u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Python\u3067\u30a2\u30d7\u30ea\u3092\u958b\u767a<\/ul>\n<\/li>\n<\/ul>\n<p>\u30bb\u30f3\u30b5\u30fc\u30c7\u30fc\u30bf\u306e\u30d1\u30fc\u30b9\u306b\u306f\u3001Python\u30e9\u30a4\u30d6\u30e9\u30ea dht11\u3092\u4f7f\u7528\u3059\u308b\u3002<br \/>\n\u53d6\u5f97\u3057\u305f\u30c7\u30fc\u30bf\u3092Flask\u3067Web API\u3068\u3057\u3066\u516c\u958b\u3059\u308b\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f\u5f8c\u8ff0\u306ePrometheus\u306eexporter\u306e\u5f62\u5f0f\u3067\u3042\u308b\u3002<\/p>\n<p>\u74b0\u5883\u5909\u6570DTH11_PIN_NUMBER\u304b\u308919\u306a\u3069\u306e\u6587\u5b57\u5217\u3092\u53d7\u3051\u53d6\u308a\u3001\u30c7\u30fc\u30bf\u8aad\u307f\u53d6\u308aPIN\u756a\u53f7\u3068\u3057\u3066\u6d3b\u7528\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"n\">flask<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">Flask<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"n\">dht11<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"n\">RPi.GPIO<\/span> <span class=\"k\">as<\/span> <span class=\"n\">GPIO<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"n\">os<\/span>\r\n\r\n<span class=\"n\">GPIO<\/span><span class=\"p\">.<\/span><span class=\"nf\">setwarnings<\/span><span class=\"p\">(<\/span><span class=\"bp\">True<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">GPIO<\/span><span class=\"p\">.<\/span><span class=\"nf\">setmode<\/span><span class=\"p\">(<\/span><span class=\"n\">GPIO<\/span><span class=\"p\">.<\/span><span class=\"n\">BCM<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"n\">pin<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">int<\/span><span class=\"p\">(<\/span><span class=\"n\">os<\/span><span class=\"p\">.<\/span><span class=\"n\">environ<\/span><span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"sh\">'<\/span><span class=\"s\">DHT11_PIN_NUMBER<\/span><span class=\"sh\">'<\/span><span class=\"p\">))<\/span>\r\n<span class=\"n\">interval<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">int<\/span><span class=\"p\">(<\/span><span class=\"n\">os<\/span><span class=\"p\">.<\/span><span class=\"n\">environ<\/span><span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"sh\">'<\/span><span class=\"s\">DHT11_INTERVAL<\/span><span class=\"sh\">'<\/span><span class=\"p\">))<\/span>\r\n<span class=\"n\">tag<\/span> <span class=\"o\">=<\/span> <span class=\"n\">os<\/span><span class=\"p\">.<\/span><span class=\"n\">environ<\/span><span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"sh\">'<\/span><span class=\"s\">DHT11_TAG<\/span><span class=\"sh\">'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">instance<\/span> <span class=\"o\">=<\/span> <span class=\"n\">dht11<\/span><span class=\"p\">.<\/span><span class=\"nc\">DHT11<\/span><span class=\"p\">(<\/span><span class=\"n\">pin<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"n\">app<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Flask<\/span><span class=\"p\">(<\/span><span class=\"n\">__name__<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"nd\">@app.route<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">\/metrics<\/span><span class=\"sh\">\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">def<\/span> <span class=\"nf\">metrics<\/span><span class=\"p\">():<\/span>\r\n    <span class=\"n\">dht11_data<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">\"\"<\/span>\r\n    <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">instance<\/span><span class=\"p\">.<\/span><span class=\"nf\">read<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">result<\/span><span class=\"p\">.<\/span><span class=\"nf\">is_valid<\/span><span class=\"p\">():<\/span>\r\n        <span class=\"n\">dht11_data<\/span> <span class=\"o\">=<\/span> <span class=\"sa\">f<\/span><span class=\"sh\">\"\"\"<\/span><span class=\"s\">temperature{{<\/span><span class=\"si\">{<\/span><span class=\"n\">tag<\/span><span class=\"si\">}<\/span><span class=\"s\">}} <\/span><span class=\"si\">{<\/span><span class=\"n\">result<\/span><span class=\"p\">.<\/span><span class=\"n\">temperature<\/span><span class=\"si\">}<\/span><span class=\"s\">\r\nhumidity{{<\/span><span class=\"si\">{<\/span><span class=\"n\">tag<\/span><span class=\"si\">}<\/span><span class=\"s\">}} <\/span><span class=\"si\">{<\/span><span class=\"n\">result<\/span><span class=\"p\">.<\/span><span class=\"n\">humidity<\/span><span class=\"si\">}<\/span><span class=\"sh\">\"\"\"<\/span>\r\n\r\n    <span class=\"k\">return<\/span> <span class=\"sa\">f<\/span><span class=\"sh\">\"<\/span><span class=\"si\">{<\/span><span class=\"n\">dht11_data<\/span><span class=\"si\">}<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"mi\">200<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span><span class=\"sh\">'<\/span><span class=\"s\">Content-Type<\/span><span class=\"sh\">'<\/span><span class=\"p\">:<\/span> <span class=\"sh\">'<\/span><span class=\"s\">text\/plain; charset=utf-8<\/span><span class=\"sh\">'<\/span><span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">if<\/span> <span class=\"n\">__name__<\/span> <span class=\"o\">==<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">__main__<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"n\">app<\/span><span class=\"p\">.<\/span><span class=\"nf\">run<\/span><span class=\"p\">(<\/span><span class=\"n\">host<\/span><span class=\"o\">=<\/span><span class=\"sh\">'<\/span><span class=\"s\">0.0.0.0<\/span><span class=\"sh\">'<\/span><span class=\"p\">)<\/span>\r\n\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a2\u30d7\u30ea\u3092\u30b3\u30f3\u30c6\u30ca\u5316\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>\u30e9\u30ba\u30d1\u30a4\u5bfe\u5fdc\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u30d9\u30fc\u30b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b(\u4eca\u56de\u306fbalenalib\/raspberrypi3-debian-python\u3092\u4f7f\u7528)<\/p>\n<p>dht11\u304cgcc\u3084\u3092\u5fc5\u8981\u3068\u3059\u308b\u305f\u3081\u3001apt install\u3067\u5c0e\u5165\u3057\u3066\u304a\u304f<\/p>\n<p>pip\u3067dht11\u3084flask\u3092\u5c0e\u5165\u3059\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">FROM<\/span><span class=\"s\"> balenalib\/raspberrypi3-debian-python:latest<\/span>\r\n\r\n<span class=\"k\">WORKDIR<\/span><span class=\"s\"> \/usr\/src\/app<\/span>\r\n<span class=\"k\">RUN <\/span><span class=\"nb\">sudo <\/span>apt update <span class=\"o\">&amp;&amp;<\/span> <span class=\"nb\">sudo <\/span>apt <span class=\"nb\">install<\/span> <span class=\"nt\">-y<\/span> gcc libc6-dev\r\n<span class=\"k\">RUN <\/span>pip <span class=\"nb\">install <\/span>dht11 flask\r\n<span class=\"k\">COPY<\/span><span class=\"s\"> app\/ \/usr\/src\/app\/<\/span>\r\n<span class=\"k\">CMD<\/span><span class=\"s\"> [\"python\", \".\/app-exporter.py\"]<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30b3\u30f3\u30c6\u30ca\u3092\u30d3\u30eb\u30c9\u3057\u3001Dockerhub\u306bpush\u3059\u308b\u3002\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c (hiroyukiosaki\/raspi-py-dht11\u306fDockerhub\u306b\u683c\u7d0d\u3059\u308b\u305f\u3081\u306e\u30bf\u30b0\u540d\u3002Dockerhub\u306e\u30e6\u30fc\u30b6\u540d\u3092\u53d6\u5f97\u3057\u5909\u66f4\u304c\u5fc5\u8981)<\/ul>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>docker build <span class=\"nb\">.<\/span> <span class=\"nt\">-t<\/span> hiroyukiosaki\/raspi-py-dht11\r\n<span class=\"nv\">$ <\/span>docker push hiroyukiosaki\/raspi-py-dht11\r\n<\/code><\/pre>\n<h2>4-4. (Option) \u4f7f\u7528docker-compose\u6765\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f- Prometheus &#8211; Grafana \u4f5c\u4e3a\u6d4b\u8bd5\u73af\u5883\u3002<\/h2>\n<details>\u6d4b\u8bd5\u4ee5\u786e\u4fdd\u5bb9\u5668\u6b63\u5e38\u8fd0\u884c\u3002\u5728\u90e8\u7f72\u5230Kubernetes\u4e4b\u524d\uff0c\u4f7f\u7528docker-compose.yaml\u5728\u5355\u4e2a\u8282\u70b9\u4e0a\u6784\u5efa\u3002\u521b\u5efadocker-compose.yaml\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<p>docker-compose.yaml<br \/>\nversion: &#8216;3.7&#8217;<\/p>\n<p>x-shared_environment: &amp;shared_environment<br \/>\nDHT11_PIN_NUMBER: 19<br \/>\nDHT11_INTERVAL: 5<br \/>\nDHT11_TAG: &#8220;sensor_type=\\&#8221;dht11\\&#8221;,sensor_location=\\&#8221;desk\\&#8221;&#8221;<\/p>\n<p>services:<br \/>\napp:<br \/>\nimage: hiroyukiosaki\/raspi-py-dht11:latest<br \/>\nbuild:<br \/>\ncontext: .<br \/>\nenvironment:<br \/>\n&lt;&lt;: *shared_environment<br \/>\nprivileged: true<br \/>\nports:<br \/>\n&#8211; 5000:5000<br \/>\nrestart: always<\/p>\n<p>prometheus:<br \/>\nimage: prom\/prometheus:v2.23.0<br \/>\nuser: root<br \/>\nvolumes:<br \/>\n&#8211; .\/prometheus\/:\/etc\/prometheus\/<br \/>\n&#8211; \/var\/prometheus:\/prometheus<br \/>\ncommand:<br \/>\n&#8211; &#8216;&#8211;config.file=\/etc\/prometheus\/prometheus.yml&#8217;<br \/>\n&#8211; &#8216;&#8211;storage.tsdb.path=\/prometheus&#8217;<br \/>\n&#8211; &#8216;&#8211;storage.tsdb.retention.time=30d&#8217;<br \/>\n&#8211; &#8216;&#8211;web.console.libraries=\/usr\/share\/prometheus\/console_libraries&#8217;<br \/>\n&#8211; &#8216;&#8211;web.console.templates=\/usr\/share\/prometheus\/consoles&#8217;<br \/>\nports:<br \/>\n&#8211; 9090:9090<br \/>\ndepends_on:<br \/>\n&#8211; app<br \/>\nrestart: always<\/p>\n<p>grafana:<br \/>\nimage: grafana\/grafana:7.3.6<br \/>\ndepends_on:<br \/>\n&#8211; prometheus<br \/>\nports:<br \/>\n&#8211; 80:3000<br \/>\nvolumes:<br \/>\n&#8211; .\/grafana\/provisioning:\/etc\/grafana\/provisioning<br \/>\nrestart: always<\/p>\n<p>\u4f7f\u7528docker-compose\u547d\u4ee4\u5728Raspberry Pi 3\u4e0a\u6784\u5efa3\u4e2a\u5bb9\u5668\uff08\u5e94\u7528\u7a0b\u5e8f\u3001Prometheus\u548cGrafana\uff09\u3002<\/p>\n<p>$ docker-compose up -d<\/p>\n<p>\u5c1d\u8bd5\u8bbf\u95eeRaspberry Pi 3\u4e0a\u7684\u6bcf\u4e2a\u670d\u52a1\u3002\u5982\u679c\u663e\u793a\u4efb\u4f55\u5185\u5bb9\uff0c\u5219\u5bb9\u5668\u5df2\u542f\u52a8\u3002<\/p>\n<p>Prometheus http:\/\/rp3:9090<\/p>\n<p>Grafana http:\/\/rp3<\/p>\n<p>\u5982\u679cRaspberry Pi\u4e0a\u6ca1\u6709\u5b89\u88c5docker-compose\uff0c\u8bf7\u53c2\u8003\u4ee5\u4e0b\u6587\u6863\u8fdb\u884c\u5b89\u88c5\uff1a<br \/>\n\u5728\u6811\u8393\u6d3e\u4e0a\u5b89\u88c5Docker\u548cDocker Compose\u7684\u65b9\u6cd5<\/p>\n<\/details>\n<h2>4-5. \u5c06\u5e94\u7528\u90e8\u7f72\u5230Kubernetes<\/h2>\n<div>\n<div class=\"post-table\">\u30db\u30b9\u30c8\u540d\u3068\u30dd\u30fc\u30c8(Kubernetes\u306eService)\u30b3\u30f3\u30c6\u30ca(Kubernetes\u306ePod)<code>raspi-temp-app:5000<\/code><code>raspi-temp-app-xxxxxxxxx-xxxxx<\/code> (4-2\u3067\u958b\u767a\u3057\u305f\u30a2\u30d7\u30ea)<code>raspi-temp-prometheus:9090<\/code><code>prometheus-xxxxxxxxx-xxxxx<\/code><code>grafana:80<\/code><code>grafana-xxxxxxxxx-xxxxx<\/code><\/div>\n<\/div>\n<h3>\u90e8\u7f72\u6240\u9700\u7684\u547d\u4ee4<\/h3>\n<p>\u5c06\u90e8\u7f72\u5230\u4e09\u4e2a\u5bb9\u5668\uff08\u5e94\u7528\u7a0b\u5e8f\/Prometheus\/Grafana\uff09\u4e2d\u7684\u6307\u4ee4\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>git clone https:\/\/github.com\/onelittlenightmusic\/raspi-py-dht11-docker.git\r\n<span class=\"nb\">cd <\/span>raspi-py-dht11-docker\r\nkubectl apply <span class=\"nt\">-f<\/span> k8s\/\r\n<\/code><\/pre>\n<h3>4-5-1. \u5e94\u7528\u5728\u96c6\u7fa4\u5185\u7684\u5e03\u7f6e<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/193-0.png\" alt=\"\" \/><\/div>\n<p>\u786c\u4ef6\u5305\u62ec\u4e86\u4e09\u4e2a\u6811\u8393\u6d3e\uff0c\u5176\u4e2d\u4e00\u4e2a\u6811\u8393\u6d3e\uff08rp3\uff09\u914d\u5907\u4e86\u4f20\u611f\u5668\u3002rp4-1\u548crp4-2\u901a\u8fc7\u8fde\u63a5\u5927\u5bb9\u91cf\u786c\u76d8\uff0c\u5e76\u4e14CPU\u4e5f\u66f4\u52a0\u5f3a\u5927\uff08\u91c7\u7528Cortex A72\u67b6\u6784\uff09\u3002<\/p>\n<p>\u8fd9\u4e2a\u8f6f\u4ef6\u4f1a\u5728\u5bb9\u5668\u4e2d\u5206\u522b\u542f\u52a8\u4f20\u611f\u5668\u8bfb\u53d6\u5e94\u7528\u7a0b\u5e8f\u3001Prometheus\u548cGrafana\u3002<\/p>\n<p>\u8f6f\u4ef6\u5e03\u5c40\u7b56\u7565\u662f\u9488\u5bf9\u6bcf\u4e2a\u5e94\u7528\u9009\u62e9\u4ee5\u4e0b\u9002\u5f53\u7684\u8282\u70b9\u4f5c\u4e3a\u7b56\u7565\u3002<\/p>\n<div>\n<div class=\"post-table\">\u30b3\u30f3\u30c6\u30ca\u30cf\u30fc\u30c9Kubernetes\u5185\u306e\u30e9\u30d9\u30eb\u30bb\u30f3\u30b5\u8aad\u307f\u53d6\u308a\u30a2\u30d7\u30ea\u3082\u3061\u308d\u3093\u30bb\u30f3\u30b5\u304c\u63a5\u7d9a\u3055\u308c\u305f\u30cf\u30fc\u30c9(<code>rp3<\/code>)\u306b\u914d\u7f6e<code>raspi-disk=large<\/code>Prometheus\/Grafana\u30c7\u30fc\u30bf\u84c4\u7a4d\u3084\u51e6\u7406\u306b\u30c7\u30a3\u30b9\u30af\u30fbCPU\u3092\u8981\u3059\u308b\u306e\u3067\u3001<code>rp4-1<\/code>\u3082\u3057\u304f\u306f<code>rp4-2<\/code>\u306b\u914d\u7f6e<code>raspi-temp=true<\/code>\u3068<code>raspi-humid=true<\/code><\/div>\n<\/div>\n<p>\u5229\u7528Kubernetes\u7684\u8c03\u5ea6\u5668\u5728\u8f6f\u4ef6\u90e8\u7f72\u65b9\u9762\u505a\u51fa\u4e86\u52aa\u529b\u3002\u7531\u4e8e\u5df2\u5728Kubernetes\u4e2d\u6dfb\u52a0\u4e86\u4e0a\u8868\u6240\u793a\u7684\u6807\u7b7e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528nodeSelector\u6765\u5b9e\u73b0\u6240\u9700\u7684\u914d\u7f6e\u3002<\/p>\n<p>\u5404\u4e2a\u5bb9\u5668\u7684\u8be6\u7ec6\u4fe1\u606f\u5982\u4e0b\u3002<\/p>\n<h3>4-5-2. \u4f20\u611f\u5668\u8bfb\u53d6\u5e94\u7528\u7684\u8bbe\u7f6e\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30d7\u30ed\u30a4\u6642\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u306f\u4ee5\u4e0b<\/ul>\n<\/li>\n<\/ul>\n<p>securityContext\u306b\u3088\u308a\u3001\u30e9\u30ba\u30d1\u30a4\u63a5\u7d9a\u30c7\u30d0\u30a4\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u4ed8\u4e0e<\/p>\n<p>nodeSelector\u306fraspi-temp: &#8220;true&#8221;\u3068raspi-humid: &#8220;true&#8221;\u3092\u6307\u5b9a\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"s\">(ellipsis)<\/span>\r\n    <span class=\"s\">spec<\/span><span class=\"err\">:<\/span>\r\n      <span class=\"na\">containers<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">envFrom<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">configMapRef<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">raspi-app-configmap<\/span>\r\n          <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">hiroyukiosaki\/raspi-py-dht11:latest<\/span>\r\n          <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">app<\/span>\r\n          <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"na\">containerPort<\/span><span class=\"pi\">:<\/span> <span class=\"m\">5000<\/span>\r\n          <span class=\"na\">resources<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">{}<\/span>\r\n          <span class=\"na\">securityContext<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">privileged<\/span><span class=\"pi\">:<\/span> <span class=\"kc\">true<\/span>\r\n      <span class=\"na\">restartPolicy<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Always<\/span>\r\n      <span class=\"na\">nodeSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">raspi-temp<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">true\"<\/span>\r\n        <span class=\"na\">raspi-humid<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">true\"<\/span>\r\n<\/code><\/pre>\n<p>\u6240\u6709\u5185\u5bb9\u90fd\u5728app-deployment.yaml\u6587\u4ef6\u4e2d\u3002<\/p>\n<h3>4-5-3. Prometheus\/Grafana\u7684\u8bbe\u7f6e<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30d7\u30ed\u30a4\u6642\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u306f\u4ee5\u4e0b<\/ul>\n<\/li>\n<\/ul>\n<p>Prometheus\u3067\u306f\u3001\/prometheus\u306b\u30c7\u30fc\u30bf\u304c\u4fdd\u5b58\u3055\u308c\u308b\u306e\u3067\u3001\u3053\u3053\u306b\u7528\u610f\u3057\u305fPersistentVolumeClaim\u30de\u30a6\u30f3\u30c8\u3059\u308b\u3002<\/p>\n<p>nodeSelector\u306fraspi-temp: &#8220;true&#8221;\u3068raspi-humid: &#8220;true&#8221;\u3092\u6307\u5b9a\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">containers<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">args<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">--config.file=\/etc\/prometheus\/prometheus.yml<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">--storage.tsdb.path=\/prometheus<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">--storage.tsdb.retention.time=30d<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">--web.console.libraries=\/usr\/share\/prometheus\/console_libraries<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"s\">--web.console.templates=\/usr\/share\/prometheus\/consoles<\/span>\r\n          <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prom\/prometheus:v2.23.0<\/span>\r\n          <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prometheus<\/span>\r\n          <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"na\">containerPort<\/span><span class=\"pi\">:<\/span> <span class=\"m\">9090<\/span>\r\n          <span class=\"na\">resources<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">{}<\/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\">\/etc\/prometheus\/<\/span>\r\n              <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prometheus-config<\/span>\r\n            <span class=\"pi\">-<\/span> <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/prometheus<\/span>\r\n              <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prometheus-data<\/span>\r\n      <span class=\"na\">restartPolicy<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Always<\/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\">prometheus-config<\/span>\r\n          <span class=\"na\">configMap<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prometheus-configmap<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prometheus-data<\/span>\r\n          <span class=\"na\">persistentVolumeClaim<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">claimName<\/span><span class=\"pi\">:<\/span> <span class=\"s\">prometheus-data-pvc<\/span>\r\n      <span class=\"na\">nodeSelector<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">raspi-disk<\/span><span class=\"pi\">:<\/span> <span class=\"s\">large<\/span>\r\n<\/code><\/pre>\n<p>YAML\u8bbe\u5b9a\u5185\u5bb9\u5206\u522b\u5728grafana-deployment.yaml\u548cprometheus-deployment.yaml\u4e2d\u3002<\/p>\n<h2>4-6. \u7531Prometheus\u5b9e\u73b0\u7684\u53ef\u89c6\u5316<\/h2>\n<p>\u5728\u4ee5\u4e0b\u4f4d\u7f6e\u786e\u8ba4\u7531\u8d1f\u8f7d\u5747\u8861\u5668\u63d0\u4f9b\u7684Prometheus\u5730\u5740\uff0c\u5e76\u8bbf\u95ee\u8be5\u5730\u5740\u3002<\/p>\n<pre class=\"post-pre\"><code>kubectl get svc\r\nNAME                    TYPE           CLUSTER-IP       EXTERNAL-IP    PORT(S)          AGE\r\nraspi-temp-prometheus   LoadBalancer   10.103.205.90    192.168.0.71   9090:31849\/TCP   38h\r\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u60c5\u51b5\u4e0b\uff0c\u5730\u5740\u4e3ahttp:\/\/192.168.0.71:9090\u3002<\/p>\n<p>\u83b7\u53d6\u6e7f\u5ea6\u76842\u5206\u949f\u79fb\u52a8\u5e73\u5747\u7ebf\u7684\u56fe\u8868\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528avg_over_time(humidity[2m])\u83b7\u53d6\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/214-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u83b7\u53d6\u6e29\u5ea6\u76842\u5206\u949f\u79fb\u52a8\u5e73\u5747\u503c\u7684\u56fe\u8868\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528avg_over_time(humidity[2m])\u6765\u83b7\u53d6\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/217-0.png\" alt=\"image.png\" \/><\/div>\n<h2>4-7. \u4f7f\u7528Grafana\u8fdb\u884c\u6570\u636e\u53ef\u89c6\u5316<\/h2>\n<p>\u8bbf\u95eePrometheus\u7684\u5730\u5740http:\/\/192.168.0.72\u662f\u7531\u8d1f\u8f7d\u5747\u8861\u5668\u63d0\u4f9b\u7684\u3002<\/p>\n<p>\u4ece\u6570\u636e\u6e90\u6dfb\u52a0\u753b\u9762\u6765\u770b\uff0c<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/221-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u9009\u62e9 Prometheus\uff0c\u5e76\u5728URL\u4e2d\u6307\u5b9a Prometheus \u7fa4\u96c6\u4e2d\u670d\u52a1\u7684 URL\uff0chttp:\/\/raspi-temp-prometheus:9090\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/223-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u70b9\u51fb\u4fdd\u5b58\u5e76\u6d4b\u8bd5\u3002<\/p>\n<p>\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1a\u4ece\u4eea\u8868\u677f\u6dfb\u52a0\u754c\u9762\uff0c<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/226-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u70b9\u51fb\u201c\u6dfb\u52a0\u9762\u677f(Add Panel)\u201d\uff0c\u5728\u201c\u6307\u6807(Metrics)\u201d\u4e2d\u8f93\u5165\u4f20\u611f\u5668\u6570\u636e\u540d\u79f0\u201ctemperature\u201d\uff0c\u7136\u540e\u70b9\u51fb\u201c\u5e94\u7528(Apply)\u201d\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/228-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u540c\u6837\uff0c\u6dfb\u52a0\u4e86\u4e13\u4e3a\u6e7f\u5ea6\u8bbe\u8ba1\u7684\u9762\u677f\uff0c\u4eea\u8868\u677f\u5c31\u5b8c\u6210\u4e86\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/230-0.png\" alt=\"image.png\" \/><\/div>\n<h1>5. \u8003\u8bd5<\/h1>\n<p>\u6211\u5c1d\u8bd5\u4e86\u83b7\u53d6\u6e29\u5ea6\u53d8\u5316\u5e76\u901a\u8fc7\u79fb\u52a8\u8bbe\u5907\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n<h2>5-1. \u83b7\u53d6\u6e29\u5ea6\u53d8\u5316<\/h2>\n<p>\u6211\u4eec\u53ef\u4ee5\u4ece\u6570\u636e\u4e2d\u89c2\u6d4b\u5230\u6e29\u5ea6\u7684\u53d8\u5316\u5417\uff1f\u8ba9\u6211\u4eec\u5c1d\u8bd5\u6253\u5f00\u4e0b\u65b9\u7684\u6696\u6c1415\u5206\u949f\uff0821:49-22:04\uff09\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<p>\u5199\u7167\u4e0b\u65b9\u7684\u5706\u67f1\u4f53\u662f\u4f9b\u6696\u8bbe\u5907\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/236-0.jpg\" alt=\"image\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/237-1.png\" alt=\"image.png\" \/><\/div>\n<p>\u53ef\u4ee5\u4ece\u6570\u636e\u4e2d\u89c2\u5bdf\u5230\u6e29\u5ea6\u786e\u5b9e\u4e0a\u5347\u4e86\u3002<\/p>\n<h2>\u4ece\u624b\u673a\u8bbe\u5907\u8bbf\u95ee\u4eea\u8868\u677f<\/h2>\n<p>\u62ff\u8d77\u624b\u673a\uff08iPhone\uff09\u6765\u67e5\u770b\u4eea\u8868\u76d8\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52c937434c4406ccdb94\/241-0.png\" alt=\"undefined\" \/><\/div>\n<p>\u7531\u4e8e\u5728Android\u4e0a\u663e\u793a\u4e3a&#8221;IP\u4e0d\u53ef\u8fbe&#8221;\uff0c\u56e0\u6b64\u65e0\u6cd5\u83b7\u53d6\u5c4f\u5e55\u622a\u56fe\u3002\u53ea\u8981\u6b63\u786e\u8bbe\u7f6e&#8221;\u6df7\u6742\u6a21\u5f0f&#8221;\uff0c\u5c31\u53ef\u4ee5\u4eceAndroid\u4e0a\u8bbf\u95ee\u3002<\/p>\n<h1>6. \u5b8c\u6210\u6784\u5efa\u548c\u9a8c\u8bc1\u540e\u7684\u611f\u60f3<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e9\u30ba\u30d1\u30a4\u3067Kubernetes\u30af\u30e9\u30b9\u30bf\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u30012\u7ae0\u306e\/boot\/cmdline.txt\u3092\u5909\u66f4\u3059\u308b\u306a\u3069\u30e9\u30ba\u30d1\u30a4\u306a\u3089\u3067\u306f\u306e\u90e8\u5206\u304c\u5c11\u3057\u6238\u60d1\u3046\u3068\u3053\u308d\u3002\u3057\u304b\u3057\u3001\u305d\u308c\u3092\u30af\u30ea\u30a2\u3059\u308c\u3070\u901a\u5e38\u306ekubeadm\u306b\u3088\u308bKubernetes\u69cb\u7bc9\u306f\u30b9\u30e0\u30fc\u30ba\u3002<\/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\">\u4eca\u56de\u306e\u30a8\u30c3\u30b8\u30a2\u30d7\u30ea\u306f\u30bb\u30f3\u30b5\u30c7\u30fc\u30bf\u3092Web API\u3067\u516c\u958b\u3059\u308b\u3060\u3051\u306e\u6a5f\u80fd\u3092\u6301\u3064\u3002Prometheus\u7528\u306e\u30c7\u30fc\u30bf\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5909\u63db\u3059\u308b\u5b9f\u88c5\u306f\u3001\u30a2\u30d7\u30ea\u304b\u3089\u30b5\u30a4\u30c9\u30ab\u30fc\u306b\u5916\u51fa\u3057\u3059\u308c\u3070\u3001\u30a2\u30d7\u30ea\u306e\u30b3\u30fc\u30c9\u304c\u30af\u30ea\u30fc\u30f3\u306b\u306a\u308a\u4fdd\u5b88\u6027\u304c\u3088\u304f\u306a\u308b\u3068\u8003\u3048\u308b\u3002(\u4eca\u5f8c\u306e\u8ab2\u984c)<\/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\u30d7\u30ea\u3092Docker\u30b3\u30f3\u30c6\u30ca\u5316\u3057\u305f\u3053\u3068\u306b\u3088\u308a\u3001\u30e9\u30ba\u30d1\u30a4\u4e0a\u306bPython\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u306a\u304f\u3066\u6e08\u307f\u3001\u30a8\u30c3\u30b8\u306b\u30a2\u30d7\u30ea\u3092\u914d\u5e03\u3057\u3084\u3059\u3044\u3068\u3044\u3046\u52b9\u679c\u304c\u3042\u3063\u305f\u3002<\/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\">\u30a8\u30c3\u30b8\u3092Kubernetes\u30af\u30e9\u30b9\u30bf\u306b\u5185\u5305\u3057\u305f\u52b9\u679c<\/ul>\n<\/li>\n<\/ul>\n<p>\u30c7\u30fc\u30bf\u8aad\u307f\u53d6\u308a\u30a2\u30d7\u30ea\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9Prometheus\u9593\u304c\u30af\u30e9\u30b9\u30bf\u5185\u901a\u4fe1\u3067\u9589\u3058\u308b\u306e\u3067\u3001\u304a\u4e92\u3044\u306b\u7269\u7406\u7684\u306a\u30db\u30b9\u30c8\u540d\u306a\u3069\u3092\u610f\u8b58\u305b\u305a\u3068\u3082\u901a\u4fe1\u53ef\u80fd<\/p>\n<p>\u30a8\u30c3\u30b8\u30a2\u30d7\u30ea\u3068\u540c\u6642\u306b\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3092\u30c7\u30d7\u30ed\u30a4\u3067\u304d\u308b\u306e\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u30b9\u30b1\u30fc\u30eb\u5bb9\u6613<\/p>\n<p>\u4eca\u56de\u306f\u30e9\u30d9\u30eb\u3068nodeSelector\u3092\u7528\u3044\u305f\u304c\u3001\u3053\u306e\u65b9\u6cd5\u3067\u306f\u30bb\u30f3\u30b5\u304c\u3069\u3053\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u628a\u63e1\u3057\u3066\u30e9\u30d9\u30eb\u4ed8\u4e0e\u304c\u5fc5\u8981\u3002\u304a\u305d\u3089\u304fKubeEdge\u306a\u3069\u3092\u99c6\u4f7f\u3057\u3001\u300c\u30a8\u30c3\u30b8\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30bb\u30f3\u30b5\u30ea\u30bd\u30fc\u30b9\u307e\u3067Kubernetes\u306b\u767b\u9332\u3057\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30a2\u30d7\u30ea\u30c7\u30d7\u30ed\u30a4\u6642\u306b\u30a2\u30d7\u30ea\u304c\u5fc5\u8981\u3068\u3059\u308b\u30bb\u30f3\u30b5\u306b\u5408\u308f\u305b\u30ce\u30fc\u30c9\u9078\u629e\u3092\u81ea\u52d5\u5316\u3059\u308b\u300d\u3068\u3044\u3046\u3068\u3053\u308d\u307e\u3067\u3044\u3051\u3070\u3055\u3089\u306b\u4fa1\u5024\u304c\u9ad8\u305d\u3046\uff08\u4eca\u5f8c\u306e\u8ab2\u984c\uff09<br \/>\n\u30a8\u30c3\u30b8\u3067\u3042\u308b\u306f\u305a\u306e\u30ce\u30fc\u30c9\u304c\u7269\u7406\u7d50\u7dda\u3067\u30b9\u30a4\u30c3\u30c1\u306b\u7e4b\u304c\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u306e\u306f\u81ea\u7531\u5ea6\u304c\u4f4e\u3044\u3068\u611f\u3058\u308b\u3002Wifi\u7d4c\u7531\u63a5\u7d9a\u3067\u3082\u826f\u304b\u3063\u305f\u3002(\u4eca\u5f8c\u306e\u8ab2\u984c)<\/p>\n<p>Prometheus\u306f\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3044\u3046\u3060\u3051\u3067\u306a\u304f\u3001\u4e00\u5b9a\u5468\u671f\u3067Web API\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304f\u308c\u308b\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u6a5f\u80fd\u3092\u6709\u3057\u3001\u30e1\u30c8\u30ea\u30af\u30b9\u53ce\u96c6\u3068\u3057\u3066\u5f37\u529b\u3060\u3068\u611f\u3058\u308b\u3002<br \/>\nGrafana\u3082\u3001Prometheus\u304b\u3089\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u63a5\u7d9a\u3068\u30ea\u30a2\u30ea\u30bf\u30a4\u30e0\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u3042\u308a\u3001\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u306b\u89aa\u548c\u6027\u304c\u9ad8\u3044\u3002(\u4eca\u66f4\u611f\u304c\u3042\u308a\u307e\u3059\u304c)<br \/>\nKubernetes\u306e\u63a5\u7d9a\u554f\u984c<\/p>\n<p>kubelet\u304a\u3088\u3073kubeadm\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u30921.20.1\u306b\u3059\u308b\u3068\u3001API server\/controller 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