{"id":352,"date":"2019-04-22T12:01:28","date_gmt":"2019-04-22T04:01:28","guid":{"rendered":"https:\/\/blog.espnlol.com\/?p=352"},"modified":"2022-04-20T18:28:33","modified_gmt":"2022-04-20T10:28:33","slug":"kubernetes-%e5%bc%80%e5%90%afpod-preset-%e8%a7%a3%e5%86%b3%e6%97%b6%e5%8c%ba%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/blog.espnlol.com\/?p=352","title":{"rendered":"kubernetes \u5f00\u542fPod Preset \u89e3\u51b3\u65f6\u533a\u95ee\u9898"},"content":{"rendered":"<p>\u9ed8\u8ba4\u7684\u60c5\u51b5\uff0c\u5728K8S\u91cc\u542f\u52a8\u4e00\u4e2a\u5bb9\u5668\uff0c\u8be5\u5bb9\u5668\u7684\u8bbe\u7f6e\u7684\u65f6\u533a\u662fUTC0\uff0c\u4f46\u662f\u5bf9\u4e8e\u5f88\u591a\u5ba2\u6237\u800c\u8a00\uff0c\u5176\u4e3b\u673a\u73af\u5883\u5e76\u4e0d\u5728UTC0\u3002\u4f8b\u5982\u4e2d\u56fd\u5ba2\u6237\u5728UTC8\u3002\u5982\u679c\u4e0d\u628a\u5bb9\u5668\u7684\u65f6\u533a\u548c\u4e3b\u673a\u4e3b\u673a\u8bbe\u7f6e\u4e3a\u4e00\u81f4\uff0c\u67e5\u627e\u65e5\u5fd7\u7684\u65f6\u5019\u975e\u5e38\u4e0d\u4fbf\uff0c\u5e76\u4e14\u5728\u76d1\u63a7\u6570\u636e\u65b9\u4fbf\u4e5f\u4f1a\u51fa\u73b0\u8f83\u5927\u5dee\u5f02\uff0c\u5bb9\u6613\u9020\u6210\u8bef\u89e3\u3002<\/p>\n<p><b>\u901a\u8fc7Pod Preset\u9884\u8bbe\u7f6e\u65f6\u533a\u73af\u5883\u53d8\u91cf<\/b><\/p>\n<p>Pod Preset\u76ee\u524d\u8fd8\u662falpha\u9636\u6bb5\uff0c\u9ed8\u8ba4\u662f\u6ca1\u6709\u6fc0\u6d3b\u7684\uff0c\u6240\u4ee5\u9700\u8981\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6fc0\u6d3b:<br \/>\n\u6211\u7684k8s\u96c6\u7fa4\u662f\u901a\u8fc7kubeadm\u5b89\u88c5\u5b8c\u6210\u7684\uff0c\u8fd9\u91cc\u5df2\u6b64\u4e3a\u4f8b\uff0ckubeadm\u5b89\u88c5\u7684k8s\uff08API Server,Scheduler,Controller\uff09\u90fd\u662f\u901a\u8fc7Static Pod\u7684\u65b9\u5f0f\u7528kubelet\u542f\u52a8\uff0c\u6240\u4ee5\u9700\u8981\u8be5\u5bf9\u5e94\u7684yaml\u6fc0\u6d3bPod Preset\uff1a<\/p>\n<p>\u7f16\u8f91\/etc\/kubernetes\/manifests\/kube-apiserver.yaml\uff0c\u5728- command:\u4e0b\u7684\u914d\u7f6e\u6dfb\u52a0<\/p>\n<pre class=\"lang:default decode:true\">- --enable-admission-plugins=NodeRestriction,PodPreset\n- --runtime-config=settings.k8s.io\/v1alpha1=true<\/pre>\n<p>\u4f7f\u7528docker ps -a |grep apiserver\u67e5\u770b\u72b6\u6001\uff0cAPI Server\u4f1a\u81ea\u52a8\u91cd\u542f\uff0c\u5f85\u91cd\u542f\u6210\u529f<\/p>\n<pre class=\"lang:default decode:true\">[root@master manifests]# kubectl get podpresets\nNo resources found.\n\n<\/pre>\n<p>kubectl\u53ef\u4ee5\u67e5\u8be2Pod Preset\u3002\u5728\u5f00\u5173\u6ca1\u6709\u5f00\u542f\u6210\u529f\u524d\uff0c\u662f\u65e0\u6cd5\u8c03\u7528\u4ee5\u4e0b\u547d\u4ee4\u7684<\/p>\n<p>\u5728default\u547d\u540d\u7a7a\u95f4\u4e0b\u521b\u5efaPod Preset\u5bf9\u8c61<\/p>\n<pre class=\"lang:default decode:true crayon-selected\">vi tz.yaml\napiVersion: settings.k8s.io\/v1alpha1\nkind: PodPreset\nmetadata:\n  name: allow-tz-env\n  namespace: monit\nspec:\n  selector:\n    matchLabels:\n  env:\n    - name: TZ\n      value: Asia\/Shanghai\n\nkubectl apply -f tz.yaml\n\n[root@master manifests]# kubectl get podpresets\nNAME CREATED AT\nallow-tz-env 2019-04-21T12:32:28Z<\/pre>\n<p>\u901a\u8fc7\u547d\u4ee4\u884c\u521b\u5efa\u4e00\u4e2a\u5bb9\u5668\uff0c\u5e76\u67e5\u770b\u76f8\u5e94\u4fe1\u606f<\/p>\n<pre class=\"lang:default decode:true\">kubectl run mytest1 --image=congcong126\/mynginx:v1 -it --rm \/bin\/sh\n\n# env\nMYAPP_CUSTOM_SERVICE_PORT=80\nMYAPP_CUSTOM_PORT=tcp:\/\/10.91.93.137:80\nMYNGINX_CUSTOM_SERVICE_HOST=10.95.110.206\nMYNGINX_AUTOSCLAE_CUSTOM_PORT_80_TCP_ADDR=10.83.153.92\nKUBERNETES_PORT=tcp:\/\/10.80.0.1:443\nKUBERNETES_SERVICE_PORT=443\nHOSTNAME=mytest2-679bd59cd-fc4sb\nMYNGINX_AUTOSCLAE_CUSTOM_PORT_80_TCP_PORT=80\nMYNGINX_AUTOSCLAE_CUSTOM_PORT_80_TCP_PROTO=tcp\nMYAPP_CUSTOM_PORT_80_TCP_ADDR=10.91.93.137\nHOME=\/root\nMYNGINX_CUSTOM_PORT=tcp:\/\/10.95.110.206:80\nMYNGINX_CUSTOM_SERVICE_PORT=80\nMYAPP_CUSTOM_PORT_80_TCP_PORT=80\nMYAPP_CUSTOM_PORT_80_TCP_PROTO=tcp\nMYNGINX_AUTOSCLAE_CUSTOM_PORT_80_TCP=tcp:\/\/10.83.153.92:80\nMYNGINX_CUSTOM_PORT_80_TCP_ADDR=10.95.110.206\nMYNGINX_CUSTOM_PORT_80_TCP_PORT=80\nMYNGINX_CUSTOM_PORT_80_TCP_PROTO=tcp\nTERM=xterm\nMYAPP_CUSTOM_PORT_80_TCP=tcp:\/\/10.91.93.137:80\nKUBERNETES_PORT_443_TCP_ADDR=10.80.0.1\nPATH=\/usr\/local\/sbin:\/usr\/local\/bin:\/usr\/sbin:\/usr\/bin:\/sbin:\/bin\nKUBERNETES_PORT_443_TCP_PORT=443\nKUBERNETES_PORT_443_TCP_PROTO=tcp\nMYNGINX_CUSTOM_PORT_80_TCP=tcp:\/\/10.95.110.206:80\nMYNGINX_AUTOSCLAE_CUSTOM_SERVICE_HOST=10.83.153.92\nKUBERNETES_SERVICE_PORT_HTTPS=443\nKUBERNETES_PORT_443_TCP=tcp:\/\/10.80.0.1:443\nMYAPP_CUSTOM_SERVICE_HOST=10.91.93.137\nKUBERNETES_SERVICE_HOST=10.80.0.1\nPWD=\/\nMYNGINX_AUTOSCLAE_CUSTOM_PORT=tcp:\/\/10.83.153.92:80\nMYNGINX_AUTOSCLAE_CUSTOM_SERVICE_PORT=80\nTZ=Asia\/Shanghai<\/pre>\n<p>\u4ece\u8f93\u51fa\u53d8\u91cf\u53ef\u4ee5\u770b\u51fa\u6765\uff0c\u5bb9\u5668\u7684\u9ed8\u8ba4\u65f6\u533a\u5df2\u7ecf\u66f4\u6539\u4e3aAsia\/Shanghai<\/p>\n<pre class=\"lang:default decode:true\">date\n# date\nMon Apr 22 11:57:25 CST 2019<\/pre>\n<p>\u53ef\u4ee5\u770b\u5230\u65f6\u95f4\u4e5f\u5df2\u7ecf\u6b63\u5e38\u663e\u793a<\/p>\n<p>\u81f3\u6b64\uff0c\u6211\u4eec\u987a\u5229\u5b8c\u6210\u4e86\u5bb9\u5668\u65f6\u533a\u7684\u81ea\u52a8\u914d\u7f6e\u3002Pod Preset\u7684\u9884\u8bbe\u529f\u80fd\u8fd8\u662f\u975e\u5e38\u4fbf\u5229\u7684\uff0c\u76ee\u524d\u8fd9\u5757\u8fd8\u5728\u6f14\u8fdb\u4e2d\uff0c\u4f46\u662f\u5df2\u7ecf\u80fd\u5927\u5927\u7b80\u5316\u4e86\u76f8\u5173\u7684\u7ba1\u7406\u5de5\u4f5c\uff0c\u5c06\u8fd9\u4e9b\u914d\u7f6e\u4ece\u5f00\u53d1\u8005\u624b\u4e2d\u89e3\u8131\u51fa\u6765\uff0c\u53d8\u6210\u7cfb\u7edf\u7ba1\u7406\u914d\u7f6e\u3002<\/p>\n<h2>\u53c2\u8003\u6587\u6863<\/h2>\n<p>Pod Preset: https:\/\/kubernetes.io\/docs\/concepts\/workloads\/pods\/podpreset\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9ed8\u8ba4\u7684\u60c5\u51b5\uff0c\u5728K8S\u91cc\u542f\u52a8\u4e00\u4e2a\u5bb9\u5668\uff0c\u8be5\u5bb9\u5668\u7684\u8bbe\u7f6e\u7684\u65f6\u533a\u662fUTC0\uff0c\u4f46\u662f\u5bf9\u4e8e\u5f88\u591a\u5ba2 &hellip; <a href=\"https:\/\/blog.espnlol.com\/?p=352\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-352","post","type-post","status-publish","format-standard","hentry","category-k8s"],"_links":{"self":[{"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/posts\/352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=352"}],"version-history":[{"count":3,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/posts\/352\/revisions"}],"predecessor-version":[{"id":440,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=\/wp\/v2\/posts\/352\/revisions\/440"}],"wp:attachment":[{"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.espnlol.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}