{"id":43865,"date":"2022-12-20T20:32:00","date_gmt":"2024-01-13T18:23:59","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8datadog%e7%9a%84autodiscovery%e5%8a%9f%e8%83%bd%ef%bc%8c%e8%87%aa%e5%8a%a8%e7%9b%91%e6%8e%a7kubernetes%e7%9a%84pod%e3%80%82\/"},"modified":"2024-04-29T06:13:47","modified_gmt":"2024-04-28T22:13:47","slug":"%e4%bd%bf%e7%94%a8datadog%e7%9a%84autodiscovery%e5%8a%9f%e8%83%bd%ef%bc%8c%e8%87%aa%e5%8a%a8%e7%9b%91%e6%8e%a7kubernetes%e7%9a%84pod%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8datadog%e7%9a%84autodiscovery%e5%8a%9f%e8%83%bd%ef%bc%8c%e8%87%aa%e5%8a%a8%e7%9b%91%e6%8e%a7kubernetes%e7%9a%84pod%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Datadog\u7684AutoDiscovery\u529f\u80fd\uff0c\u81ea\u52a8\u76d1\u63a7Kubernetes\u7684Pod"},"content":{"rendered":"<h1>\u52a8\u673a j\u012b)<\/h1>\n<p>Prometheus \u4e2d\u6709\u4e00\u4e2a\u529f\u80fd\u53eb\u505a\u670d\u52a1\u53d1\u73b0\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u68c0\u6d4b\u5e76\u6dfb\u52a0\u76d1\u89c6\u76ee\u6807\u8282\u70b9\u3002<\/p>\n<p>\u5728\u4e2d\u6587\u4e2d\uff0c\u53ea\u9700\u8981\u4e00\u79cd\u9009\u62e9\uff0c\u5c06\u4ee5\u4e0b\u5185\u5bb9\u8fdb\u884c\u91ca\u4e49\uff1a(https:\/\/prometheus.io\/docs\/prometheus\/latest\/configuration\/configuration\/ \u7684_sds_config\u5c06\u662f\u8fd9\u4e9b\u8bbe\u7f6e\u7684\u914d\u7f6e\u3002)<\/p>\n<p>https:\/\/prometheus.io\/docs\/prometheus\/latest\/configuration\/configuration\/\u7684_sds_config\u5c06\u662f\u8fd9\u4e9b\u8bbe\u7f6e\u7684\u914d\u7f6e\u3002<\/p>\n<p>\u6700\u8fd1\uff0c\u968f\u7740 Kubernetes \u7b49 Docker \u7f16\u6392\u5de5\u5177\u7684\u666e\u53ca\uff0c\u76d1\u63a7\u5bf9\u8c61\u4e0d\u65ad\u52a8\u6001\u53d8\u5316\u7684\u73af\u5883\u8d8a\u6765\u8d8a\u591a\u3002\u56e0\u6b64\uff0c\u5177\u5907\u81ea\u52a8\u7f29\u653e\u548c\u81ea\u6108\u529f\u80fd\u7684\u76d1\u63a7\u5de5\u5177\u7684\u5fc5\u8981\u6027\u4e5f\u8d8a\u6765\u8d8a\u9ad8\u3002<\/p>\n<p>\u56e0\u4e3a\u6211\u4e2a\u4eba\u559c\u6b22Datadog\uff0c\u6240\u4ee5\u6211\u4e00\u76f4\u5e0c\u671b\u5b83\u4e5f\u5177\u5907\u7c7b\u4f3c\u7684\u529f\u80fd\u3002\u4f46\u4ee4\u6211\u6b23\u559c\u7684\u662f\uff0cDatadog\u4e5f\u63d0\u4f9b\u4e86AutoDiscovery\u529f\u80fd\uff0c\u901a\u8fc7\u4f7f\u7528\u5b83\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3c\u7684\u6548\u679c\u3002<\/p>\n<p>\u8fd9\u91cc\u5047\u8bbe\u5728Kubernetes\u73af\u5883\u4e2d\u64cd\u4f5c\uff0c\u5e76\u4e14\u5c06\u8981\u4ecb\u7ecdDocker\u7684\u81ea\u52a8\u53d1\u73b0\u8bbe\u7f6e\u65b9\u6cd5\u3002<\/p>\n<h1>\u7ec4\u6210 (z\u01d4<\/h1>\n<p>\u6211\u4f1a\u7b80\u6d01\u5730\u4ecb\u7ecd\u4e00\u4e0bKubernetes\uff0c\u901a\u8fc7\u4f7f\u7528Kubernetes\u7684DaemonSet\u529f\u80fd\uff0c\u60a8\u53ef\u4ee5\u5728\u4e00\u4e2a\u4e3b\u673a\u5b9e\u4f8b\u4e0a\u4ec5\u90e8\u7f72\u4e00\u4e2a\u7279\u5b9a\u7684Docker\u955c\u50cf\u3002<\/p>\n<p>\u901a\u5e38\uff0c\u7c7b\u4f3c\u4e8eDatadog\u7684\u7ba1\u7406\u7c7bDocker\u955c\u50cf\uff0c\u53ea\u9700\u8981\u5728\u6bcf\u4e2a\u4e3b\u673a\u5b9e\u4f8b\u4e0a\u8fd0\u884c\u4e00\u4e2a\u3002\u5bf9\u4e8e\u8fd9\u79cd\u60c5\u51b5\uff0c\u5e38\u89c1\u7684\u505a\u6cd5\u662f\u5c06\u5176\u914d\u7f6e\u4e3aDaemonSet\u3002\uff08\u7c7b\u4f3c\u5730\uff0cFluentd\u7b49\u4e5f\u7ecf\u5e38\u91c7\u7528\u8fd9\u79cd\u914d\u7f6e\u65b9\u5f0f\uff09\u3002<\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">daemonset: datadog<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">deployment: nginx<\/ul>\n<p>\u6211\u4eec\u5c06\u5728Kubernetes\u4e0a\u8fdb\u884c\u914d\u7f6e\uff0c\u5e76\u4f7f\u7528Datadog\u6765\u76d1\u63a7\u6bcf\u4e2aNginx\u3002<\/p>\n<h1>\u8bbe\u7f6e<\/h1>\n<h2>\u547d\u540d\u7a7a\u95f4<\/h2>\n<p>\u5c3d\u7ba1\u6ca1\u6709\u7279\u522b\u5fc5\u8981\uff0c\u4f46\u5728\u8fd9\u91cc\u6211\u4eec\u5c06\u4f7f\u7528sada4j\u3002<\/p>\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\">Namespace<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sada4j<\/span>\r\n<\/code><\/pre>\n<h2>\u5b88\u62a4\u8fdb\u7a0b\u96c6<\/h2>\n<p>\u6211\u5c06\u5bf9Datadog\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n<p>\u56e0\u4e3a\u63d0\u524d\u51c6\u5907\u597d\u4e86\u7ecf\u8fc7\u4f18\u5316\u7684docker-dd-agent\u955c\u50cf\uff0c\u6240\u4ee5\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u8be5\u955c\u50cf\u3002<\/p>\n<p>\u5728\u73af\u5883\u53d8\u91cf\u4e2d\u52a0\u5165API\u5bc6\u94a5\u548c\u5728Kubernetes\u4e0a\u8fd0\u884c\u6240\u9700\u7684\u914d\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">extensions\/v1beta1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">DaemonSet<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dd-agent<\/span>\r\n  <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sada4j<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dd-agent<\/span>\r\n      <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dd-agent<\/span>\r\n    <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\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">datadog\/docker-dd-agent:latest<\/span>\r\n        <span class=\"na\">imagePullPolicy<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Always<\/span>\r\n        <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dd-agent<\/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\">8125<\/span>\r\n            <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dogstatsdport<\/span>\r\n            <span class=\"na\">protocol<\/span><span class=\"pi\">:<\/span> <span class=\"s\">UDP<\/span>\r\n        <span class=\"na\">env<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">API_KEY<\/span>\r\n            <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">&lt;your<\/span> <span class=\"s\">api<\/span> <span class=\"s\">key&gt;\"<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">KUBERNETES<\/span>\r\n            <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">yes\"<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">SD_BACKEND<\/span>\r\n            <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">docker\"<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">KUBERNETES_KUBELET_HOST<\/span>\r\n            <span class=\"na\">valueFrom<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">fieldRef<\/span><span class=\"pi\">:<\/span>\r\n                <span class=\"na\">fieldPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">status.hostIP<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">SD_CONFIG_BACKEND<\/span>\r\n            <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">etcd\"<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">SD_BACKEND_HOST<\/span>\r\n            <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">127.0.0.1\"<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">SD_BACKEND_PORT<\/span>\r\n            <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">4001\"<\/span>\r\n        <span class=\"na\">volumeMounts<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dockersocket<\/span>\r\n            <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/var\/run\/docker.sock<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">procdir<\/span>\r\n            <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/host\/proc<\/span>\r\n            <span class=\"na\">readOnly<\/span><span class=\"pi\">:<\/span> <span class=\"no\">true<\/span>\r\n          <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cgroups<\/span>\r\n            <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/host\/sys\/fs\/cgroup<\/span>\r\n            <span class=\"na\">readOnly<\/span><span class=\"pi\">:<\/span> <span class=\"no\">true<\/span>\r\n      <span class=\"na\">volumes<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">hostPath<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/var\/run\/docker.sock<\/span>\r\n          <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dockersocket<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">hostPath<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/proc<\/span>\r\n          <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">procdir<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">hostPath<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/sys\/fs\/cgroup<\/span>\r\n          <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cgroups<\/span>\r\n<\/code><\/pre>\n<h2>\u90e8\u7f72<\/h2>\n<p>\u8fd9\u91cc\u7684\u76ee\u7684\u662f\u542f\u52a8nginx\u5e76\u542f\u7528\/nginx_status\u3002<\/p>\n<p>\u5176\u4ed6\u5404\u79cd\u8bbe\u7f6e\u503c\u90fd\u662f\u4e00\u4e9b\u8349\u7387\u800c\u4e0d\u9002\u5408\u670d\u52a1\u8fd0\u8425\u7684\u8bbe\u7f6e\u3002<\/p>\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\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sada4j-nginx<\/span>\r\n  <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sada4j<\/span>\r\n<span class=\"na\">data<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"s\">nginx.conf<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">|-<\/span>\r\n    <span class=\"s\">user  nginx;<\/span>\r\n    <span class=\"s\">worker_processes  1;<\/span>\r\n\r\n    <span class=\"s\">error_log  \/var\/log\/nginx\/error.log warn;<\/span>\r\n    <span class=\"s\">pid        \/var\/run\/nginx.pid;<\/span>\r\n\r\n    <span class=\"s\">events {<\/span>\r\n        <span class=\"s\">worker_connections  1024;<\/span>\r\n    <span class=\"s\">}<\/span>\r\n\r\n    <span class=\"s\">http {<\/span>\r\n        <span class=\"s\">include       \/etc\/nginx\/mime.types;<\/span>\r\n        <span class=\"s\">default_type  application\/octet-stream;<\/span>\r\n\r\n        <span class=\"s\">sendfile        on;<\/span>\r\n        <span class=\"s\">keepalive_timeout  65;<\/span>\r\n\r\n        <span class=\"s\">server {<\/span>\r\n            <span class=\"s\">listen 80;<\/span>\r\n\r\n            <span class=\"s\">location \/nginx_status {<\/span>\r\n                <span class=\"s\">stub_status on;<\/span>\r\n                <span class=\"s\">access_log   off;<\/span>\r\n            <span class=\"s\">}<\/span>\r\n        <span class=\"s\">}<\/span>\r\n    <span class=\"s\">}<\/span>\r\n\r\n<span class=\"s\">---<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">extensions\/v1beta1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Deployment<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sada4j-nginx<\/span>\r\n  <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sada4j<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">replicas<\/span><span class=\"pi\">:<\/span> <span class=\"m\">2<\/span>\r\n  <span class=\"na\">strategy<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">rollingUpdate<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">maxSurge<\/span><span class=\"pi\">:<\/span> <span class=\"m\">1<\/span>\r\n      <span class=\"na\">maxUnavailable<\/span><span class=\"pi\">:<\/span> <span class=\"m\">1<\/span>\r\n    <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">RollingUpdate<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">cluster_name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dev-sada4j-nginx<\/span>\r\n        <span class=\"na\">env<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dev<\/span>\r\n        <span class=\"na\">project<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sada4j<\/span>\r\n        <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">app<\/span>\r\n      <span class=\"na\">annotations<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"s\">service-discovery.datadoghq.com\/frontend.check_names<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[\"nginx\"]'<\/span>\r\n        <span class=\"s\">service-discovery.datadoghq.com\/frontend.init_configs<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[{}]'<\/span>\r\n        <span class=\"s\">service-discovery.datadoghq.com\/frontend.instances<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[{\"nginx_status_url\":<\/span> <span class=\"s\">\"http:\/\/%%host%%:%%port%%\/nginx_status\"}]'<\/span>\r\n    <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\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">frontend<\/span>\r\n        <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">nginx:alpine<\/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\">80<\/span>\r\n        <span class=\"na\">volumeMounts<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">nginx-config<\/span>\r\n          <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/etc\/nginx\/nginx.conf<\/span>\r\n          <span class=\"na\">subPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">nginx.conf<\/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\">nginx-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\">sada4j-with-nginx<\/span>\r\n<span class=\"nn\">---<\/span>\r\n<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\">Service<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sada4j-nginx<\/span>\r\n  <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sada4j<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">LoadBalancer<\/span>\r\n  <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">port<\/span><span class=\"pi\">:<\/span> <span class=\"m\">80<\/span>\r\n    <span class=\"na\">targetPort<\/span><span class=\"pi\">:<\/span> <span class=\"m\">80<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">cluster_name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dev-sada4j-nginx<\/span>\r\n<\/code><\/pre>\n<p>\u8bbe\u7f6e\u6587\u4ef6\u5f88\u957f\uff0c\u4f46\u4ee5\u4e0b\u662f\u91cd\u70b9\u90e8\u5206\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"na\">annotations<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"s\">service-discovery.datadoghq.com\/frontend.check_names<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[\"nginx\"]'<\/span>\r\n  <span class=\"s\">service-discovery.datadoghq.com\/frontend.init_configs<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[{}]'<\/span>\r\n  <span class=\"s\">service-discovery.datadoghq.com\/frontend.instances<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[{\"nginx_status_url\":<\/span> <span class=\"s\">\"http:\/\/%%host%%:%%port%%\/nginx_status\"}]'<\/span>\r\n<\/code><\/pre>\n<p>\u5728Kubernetes\u7684annotations\u4e2d\uff0c\u8bb0\u5f55\u4e86\u4e0e\u8be5pod\u7684\u76d1\u63a7\u8bbe\u7f6e\u76f8\u5173\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u901a\u8fc7\u8fd9\u6837\u505a\uff0cDatadog\u7684\u4ee3\u7406\u7a0b\u5e8f\u53ef\u4ee5\u4e86\u89e3\u8981\u76d1\u89c6\u7684\u5bb9\u5668\u955c\u50cf\u4ee5\u53ca\u8981\u76d1\u89c6\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u6bcf\u4e2a\u8bbe\u7f6e\u503c\u90fd\u9700\u8981\u6309\u7167\u4ee5\u4e0b\u7684\u8bbe\u7f6e\u6765\u8fdb\u884c\u3002<\/p>\n<p>service-discovery.datadoghq.com\/.check_names<\/p>\n<p>\u76e3\u8996\u5bfe\u8c61\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u540d\u524d\u3067\u3059\u3002datadog-dd-agent \u306b\u540c\u68b1\u3055\u308c\u3066\u3044\u308b\u304b\u3001 datadog \u306e docker image \u5185\u306e \/etc\/dd-agent\/checks.d\/ \u914d\u4e0b\u306b\u8a2d\u7f6e\u3055\u308c\u3066\u3044\u308b checks \u30b9\u30af\u30ea\u30d7\u30c8\u3067\u540c\u540d\u306e\u3082\u306e\u304c\u3042\u308c\u3070\u3001\u3053\u3053\u3067\u6307\u5b9a\u3055\u308c\u305f\u540d\u524d\u306e\u76e3\u8996\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>service-discovery.datadoghq.com\/.init_configs<\/p>\n<p>\u76e3\u8996\u51e6\u7406\u3092\u884c\u3046\u30b9\u30af\u30ea\u30d7\u30c8\u306e init_config \u306b\u6e21\u3059\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u4f55\u3092\u6e21\u305b\u308b\u304b\u306f\u76e3\u8996\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4f5c\u308a\u6b21\u7b2c\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\nhttps:\/\/docs.datadoghq.com\/ja\/guides\/agent_checks\/#init-config<br \/>\nnginx \u306e\u76e3\u8996\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u306f\u7279\u306b init_config \u306b\u6e21\u305b\u308b\u5024\u306f\u306a\u3044\u306e\u3067\u7a7a\u306e\u9023\u60f3\u914d\u5217\u3092\u6e21\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>service-discovery.datadoghq.com\/.instances<\/p>\n<p>\u76e3\u8996\u51e6\u7406\u3092\u884c\u3046\u30b9\u30af\u30ea\u30d7\u30c8\u306e instances \u306b\u6e21\u3059\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u4f55\u3092\u6e21\u305b\u308b\u304b\u306f\u76e3\u8996\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4f5c\u308a\u6b21\u7b2c\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\nhttps:\/\/docs.datadoghq.com\/ja\/guides\/agent_checks\/#instances<br \/>\nnginx \u306e\u76e3\u8996\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u306f\u3001\u76e3\u8996\u5bfe\u8c61\u306e nginx \u306eURL \u3092\u6307\u5b9a\u3067\u304d\u308b ( nginx_status_url ) \u306e\u3067\u3001\u4e0a\u8a18\u4f8b\u3067\u306f\u305d\u3061\u3089\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5728\u8fdb\u884c\u8bbe\u7f6e\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5bb9\u6613\u51fa\u73b0\u95ee\u9898\u7684\u60c5\u51b5\u3002<\/p>\n<p>container_name \u306e\u90e8\u5206\u306f\u3001 containers \u306b\u8a18\u8ff0\u3057\u3066\u3044\u308b name \u306e\u5024\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u4f8b\u3060\u3068 frontend<\/p>\n<p>\u4e00\u3064\u306e annotation \u8a18\u8ff0\u3067\u3001\u8907\u6570\u306e\u76e3\u8996\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n<p>ex. service-discovery.datadoghq.com\/frontend.check_names: &#8216;[&#8220;nginx&#8221;, &#8220;jmx&#8221;]&#8217;<\/p>\n<p>etcd \u306b\u3053\u3061\u3089\u306e\u60c5\u5831\u304c\u66f8\u304d\u8fbc\u307e\u308c\u308b\u306e\u3067\u3059\u304c\u3001\u5de6\u8fba\u306e\u5024\u304c key \u6587\u5b57\u5217\u3068\u3057\u3066\u7528\u3044\u3089\u308c\u308b\u306e\u3067\u3001\u8907\u6570\u306e\u76e3\u8996\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u306f\u4e0a\u8a18\u306e\u3088\u3046\u306b\u3057\u306a\u3044\u3068\u3046\u307e\u304f\u52d5\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u901a\u8fc7\u8fdb\u884c\u4e0a\u8ff0\u8bbe\u7f6e\uff0c\u5728\u5e94\u7528\u5bb9\u5668\u955c\u50cf\u65f6\u6216\u589e\u52a0\u5bb9\u5668\u955c\u50cf\u6570\u91cf\u65f6\uff0c\u81ea\u52a8\u6dfb\u52a0\u7684\u5bb9\u5668\u5c06\u6210\u4e3a\u76d1\u89c6\u5bf9\u8c61\u3002<\/p>\n<h1>\u786e\u8ba4\u884c\u52a8<\/h1>\n<p>\u4e3a\u4e86\u786e\u4fdd\u76d1\u63a7\u811a\u672c\u662f\u5426\u6b63\u786e\u5e94\u7528\u4e86AutoDiscovery\u7684\u8bbe\u7f6e\uff0c\u786e\u8ba4\u53d8\u5f97\u76f8\u5f53\u9ebb\u70e6\u3002\u4f46\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u4e2a\u89d2\u5ea6\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<h2>\u786e\u8ba4\u662f\u5426\u5411Datadog\u53d1\u9001\u4e86\u503c<\/h2>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528Metrics Explorer\u7b49\u5de5\u5177\u6765\u786e\u8ba4\u6240\u53d1\u9001\u5230Datadog\u7684\u9884\u671f\u503c\u662f\u5426\u6b63\u786e\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d555037434c4406cd5e6a\/39-0.png\" alt=\"image.png\" \/><\/div>\n<h2>\u786e\u8ba4 datadog-agent info \u547d\u4ee4\u7684\u7ed3\u679c<\/h2>\n<p>\u5f53\u4ee5daemonset\u5f62\u5f0f\u542f\u52a8\u7684dd-agent\u7684docker\u5bb9\u5668\u4e2d\uff0c\u6267\u884c\u547d\u4ee4datadog-agent info\uff0c\u5373\u53ef\u67e5\u770bdd-agent\u5f53\u524d\u6b63\u5728\u6536\u96c6\u7684\u6307\u6807\u7684\u5217\u8868\u3002<\/p>\n<p>\u5982\u679c\u5728\u4e0a\u8ff0\u8bbe\u7f6e\u793a\u4f8b\u4e2d\u5305\u542b\u4e86nginx\u7684\u811a\u672c\uff0c\u90a3\u5c31\u6ca1\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>\/etc\/init.d\/datadog-agent info                                                                          \r\n<span class=\"o\">====================<\/span>\r\nCollector <span class=\"o\">(<\/span>v 5.21.1<span class=\"o\">)<\/span>\r\n<span class=\"o\">====================<\/span>\r\n\r\n<span class=\"o\">(<\/span>snip.<span class=\"o\">)<\/span>\r\n\r\n  Checks\r\n  <span class=\"o\">======<\/span>\r\n\r\n    nginx <span class=\"o\">(<\/span>5.21.1<span class=\"o\">)<\/span>\r\n    <span class=\"nt\">--------------<\/span>\r\n      - instance <span class=\"c\">#0 [OK]<\/span>\r\n      - Collected 7 metrics, 0 events &amp; 1 service check\r\n\r\n    network <span class=\"o\">(<\/span>5.21.1<span class=\"o\">)<\/span>\r\n    <span class=\"nt\">----------------<\/span>\r\n      - instance <span class=\"c\">#0 [OK]<\/span>\r\n      - Collected 20 metrics, 0 events &amp; 0 service checks\r\n\r\n    kubernetes <span class=\"o\">(<\/span>5.21.1<span class=\"o\">)<\/span>\r\n    <span class=\"nt\">-------------------<\/span>\r\n      - instance <span class=\"c\">#0 [OK]<\/span>\r\n      - Collected 108 metrics, 0 events &amp; 3 service checks\r\n\r\n<span class=\"o\">(<\/span>snip.<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u662f\u5426\u5305\u542b Nginx\uff0c\u6765\u5224\u65ad\u662f\u5426\u6b63\u786e\u5730\u88ab\u76d1\u89c6\u4e3a\u76d1\u63a7\u5bf9\u8c61\u3002<\/p>\n<p>\u5f53\u9047\u5230\u9519\u8bef\u65f6\uff0c\u60a8\u53ef\u4ee5\u68c0\u67e5\/var\/log\/dd-agent\/collector.log\u7b49\u65e5\u5fd7\u6587\u4ef6\uff0c\u53ef\u80fd\u80fd\u591f\u4e86\u89e3\u5230\u5f53\u524d\u7684\u60c5\u51b5\u3002<\/p>\n<h1>\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff0c\u7528\u4e2d\u6587\u8fdb\u884c\u6539\u5199\uff1a<\/h1>\n<p>\u603b\u7ed3\u8d77\u6765<\/p>\n<p>\u7531\u4e8eDatadog\u7684\u81ea\u52a8\u53d1\u73b0\u529f\u80fd\u5468\u56f4\u7f3a\u4e4f\u8be6\u7ec6\u7684\u6587\u6863\uff0c\u7406\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u975e\u5e38\u56f0\u96be\uff0c\u56e0\u6b64\u6211\u4e2a\u4eba\u6c47\u603b\u4e86\u4e00\u4e9b\u5907\u5fd8\u5f55\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u52a8\u673a j\u012b) Prometheus \u4e2d\u6709\u4e00\u4e2a\u529f\u80fd\u53eb\u505a\u670d\u52a1\u53d1\u73b0\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u68c0\u6d4b\u5e76\u6dfb\u52a0\u76d1\u89c6\u76ee\u6807\u8282\u70b9\u3002 \u5728\u4e2d\u6587\u4e2d\uff0c\u53ea [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43865","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>\u4f7f\u7528Datadog\u7684AutoDiscovery\u529f\u80fd\uff0c\u81ea\u52a8\u76d1\u63a7Kubernetes\u7684Pod - 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\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528datadog\u7684autodiscovery\u529f\u80fd\uff0c\u81ea\u52a8\u76d1\u63a7kubernetes\u7684pod\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Datadog\u7684AutoDiscovery\u529f\u80fd\uff0c\u81ea\u52a8\u76d1\u63a7Kubernetes\u7684Pod\" \/>\n<meta property=\"og:description\" content=\"\u52a8\u673a j\u012b) Prometheus \u4e2d\u6709\u4e00\u4e2a\u529f\u80fd\u53eb\u505a\u670d\u52a1\u53d1\u73b0\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u68c0\u6d4b\u5e76\u6dfb\u52a0\u76d1\u89c6\u76ee\u6807\u8282\u70b9\u3002 \u5728\u4e2d\u6587\u4e2d\uff0c\u53ea [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528datadog\u7684autodiscovery\u529f\u80fd\uff0c\u81ea\u52a8\u76d1\u63a7kubernetes\u7684pod\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta 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