{"id":9,"date":"2020-10-14T13:39:04","date_gmt":"2020-10-14T05:39:04","guid":{"rendered":"http:\/\/www.db2go.net\/?p=9"},"modified":"2020-10-22T10:14:17","modified_gmt":"2020-10-22T02:14:17","slug":"%e7%bb%99pod%e9%87%8c%e7%9a%84%e9%9b%86%e7%be%a4%e6%b7%bb%e5%8a%a0%e8%87%aa%e5%ae%9a%e4%b9%89dns%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.db2go.net\/?p=9","title":{"rendered":"\u7ed9pod\u91cc\u7684\u96c6\u7fa4\u6dfb\u52a0\u81ea\u5b9a\u4e49DNS\u89e3\u6790"},"content":{"rendered":"<p>\u6709\u65f6\u5019\u7684\u9700\u6c42\u662f\u9700\u8981\u96c6\u7fa4\u4e2d\u7684pod\u80fd\u8bbf\u95ee\u81ea\u5b9a\u4e49\u7684\u4e00\u4e9b\u57df\u540d,\u4f46\u53c8\u4e0d\u80fd\u90fd\u4e00\u4e00\u5199\u5728container\u91cc\u9762\u7684\/etc\/hosts\u4e2d\uff0c\u8fd9\u6837\u5c31\u9700\u8981\u7528\u81ea\u5b9a\u4e49dns\u6765\u5b9e\u73b0\u3002<br \/>\ncoredns \u81ea\u5e26 hosts \u63d2\u4ef6\uff0c \u5141\u8bb8\u50cf\u914d\u7f6e hosts \u4e00\u6837\u914d\u7f6e\u81ea\u5b9a\u4e49 DNS \u89e3\u6790\uff0c\u4fee\u6539 kube-system \u4e2d configMap \u7684 coredns \u6dfb\u52a0<code>hosts<\/code>\u90a3\u4e00\u6bb5\u8bbe\u7f6e\u5373\u53ef\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u6dfb\u52a0\u65b9\u6cd5\u5982\u4e0b:<\/p>\n<pre><code class=\"language-yaml line-numbers\"># kubectl describe cm coredns\nName:         coredns\nNamespace:    kube-system\nLabels:       &lt;none&gt;\nAnnotations:  &lt;none&gt;\n\nData\n====\nCorefile:\n----\n.:53 {\n    errors\n    health\n    kubernetes cluster.local in-addr.arpa ip6.arpa {\n       pods insecure\n       upstream\n       fallthrough in-addr.arpa ip6.arpa\n    }\n    hosts {\n       192.168.3.27 edgehub.acedge.cn\n       192.168.3.140  static.acedge.cn\n\n       fallthrough\n    }\n    prometheus :9153\n    forward . \/etc\/resolv.conf\n    cache 30\n    loop\n    reload\n    loadbalance\n}\n\nEvents:  &lt;none&gt;\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6709\u65f6\u5019\u7684\u9700\u6c42\u662f\u9700\u8981\u96c6\u7fa4\u4e2d\u7684pod\u80fd\u8bbf\u95ee\u81ea\u5b9a\u4e49\u7684\u4e00\u4e9b\u57df\u540d,\u4f46\u53c8\u4e0d\u80fd\u90fd\u4e00\u4e00\u5199\u5728container\u91cc\u9762\u7684\/etc\/h&hellip;<\/p>\n <a href=\"https:\/\/www.db2go.net\/?p=9\" title=\"\u7ed9pod\u91cc\u7684\u96c6\u7fa4\u6dfb\u52a0\u81ea\u5b9a\u4e49DNS\u89e3\u6790\" class=\"entry-more-link\"><span>Read More<\/span> <span class=\"screen-reader-text\">\u7ed9pod\u91cc\u7684\u96c6\u7fa4\u6dfb\u52a0\u81ea\u5b9a\u4e49DNS\u89e3\u6790<\/span><\/a>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"Layout":"","footnotes":""},"categories":[3],"tags":[],"class_list":["entry","author-suredandan","has-more-link","post-9","post","type-post","status-publish","format-standard","category-k8s"],"views":1596,"_links":{"self":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts\/9","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9"}],"version-history":[{"count":2,"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts\/9\/revisions"}],"predecessor-version":[{"id":72,"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts\/9\/revisions\/72"}],"wp:attachment":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}