{"id":1574,"date":"2023-03-25T19:14:11","date_gmt":"2023-03-25T11:14:11","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1574"},"modified":"2023-04-27T21:32:20","modified_gmt":"2023-04-27T13:32:20","slug":"prometheus-dynamically-modifies-targets-access-through-consul","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/25\/prometheus-dynamically-modifies-targets-access-through-consul\/","title":{"rendered":"Prometheus\u901a\u8fc7Consul\u52a8\u6001\u4fee\u6539Targets\u63a5\u5165"},"content":{"rendered":"

\u9759\u6001\u914d\u7f6e<\/h3>\n

\u901a\u5e38Prometheus<\/code>\u8981\u589e\u52a0\u4e00\u4e2atarget<\/code>\uff0c\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u5df2\u6dfb\u52a0\u4e00\u4e2ajob<\/code>\uff0c\u4f8b\u5982\u4e0b\uff1a<\/p>\n

- job_name: 'prometheus'\n  static_configs:\n    - targets: ['localhost:9090']<\/code><\/pre>\n
<\/p>\n
\u6bcf\u6b21\u4fee\u6539\u9700\u8981\u76f4\u63a5\u4fee\u6539\u670d\u52a1\u5668\u4e0a\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u975e\u5e38\u9ebb\u70e6\u3002Prometheus<\/code>\u63d0\u4f9b\u4e86\u591a\u79cd\u52a8\u6001\u670d\u52a1\u53d1\u73b0\u7684\u529f\u80fd\uff0c\u8fd9\u91cc\u4f7f\u7528Consul<\/code>\u6765\u505a\u4e00\u4e2a\u4f8b\u5b50\u3002<\/p>\n
\u5728Prometheus\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6econsul<\/h3>\n
- job_name: 'consul-prometheus'\n  consul_sd_configs:\n  #consul \u5730\u5740\n    - server: 'xx.xx.xx.xx:8500'\n      services: []\n  relabel_configs:\n    - source_labels: [__meta_consul_tags]\n      regex: .*prometheus-target.*\n      action: keep<\/code><\/pre>\n
\u914d\u7f6e\u8fd9\u4e2a\u4e4b\u540e\uff0cPrometheus<\/code>\u5c31\u4f1a\u52a8\u6001\u53d1\u73b0consul<\/code>\u7684Service<\/code>
\n\u8fd9\u91cc\u4f7f\u7528\u4e86relabel_configs<\/code>\uff0c\u7528\u6cd5\u53ef\u4ee5\u53c2\u8003\uff1ahttps:\/\/prometheus.io\/docs\/prometheus\/latest\/configuration\/configuration\/#relabel_configs<\/a>
\n\u610f\u601d\u662f\u8fc7\u6ee4\uff0c\u53ea\u6709service<\/code>\u7684tag<\/code>\u4e3aprometheus-target<\/code>\u7684\u52a8\u6001\u53d1\u73b0
\n\u968f\u540e\u6211\u4eec\u53ea\u8981\u5728consul<\/code>\u4fee\u6539Service<\/code>\u5373\u53ef<\/p>\n
consul\u4e2d\u6ce8\u518c\u670d\u52a1<\/h3>\n
consul<\/code>\u6ce8\u518c\u6ce8\u518cservice<\/code>\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5982\u679c\u9759\u6001\u6ce8\u518c\uff0c\u521b\u5efa\u6587\u4ef6\u5939consul.d<\/code>\uff0c\u6dfb\u52a0\u5982\u4e0btest.json<\/code>\uff1a<\/p>\n
{\n  "service":{\n    "id": "node",\n    "name": "prometheus-node",\n    "address": "127.0.0.1",\n    "port": 9100,\n    "tags": ["prometheus-target"],\n    "checks": [\n        {\n            "http": "http:\/\/127.0.0.1:9100\/metrics",\n            "interval": "15s"\n        }\n    ]\n  }\n}<\/code><\/pre>\n
\u5728consul<\/code>\u542f\u52a8\u547d\u4ee4\u4e2d\uff0c\u6307\u5b9a\u914d\u7f6e\u8def\u5f84<\/p>\n
-config-dir=consul.d<\/code><\/pre>\n
\u542f\u52a8\u540e\u67e5\u770bPrometheus<\/code>\u548cconsul<\/code>\u754c\u9762\uff0c\u53ef\u4ee5\u770b\u5230target<\/code>\u662f\u5426\u5f15\u5165\u3002<\/p>\n
\u4e5f\u53ef\u4ee5\u4f7f\u7528Http Api<\/code>\u7684\u65b9\u5f0f<\/p>\n
curl -X PUT -d '{"service":{"id":"node","name":"prometheus-node","address":"127.0.0.1","port":9100,"tags":["prometheus-target"],"checks":[{"http":"http:\/\/127.0.0.1:9100\/metrics","interval":"15s"}]}}' http:\/\/127.0.0.1:8500\/v1\/agent\/service\/register<\/code><\/pre>\n
\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5404\u8bed\u8a00\u7248\u672c\u7684sdk<\/code>\uff1ahttps:\/\/www.consul.io\/api\/libraries-and-sdks.html<\/a><\/p>\n
\u8fd9\u91cc\u4f7f\u7528Java\u7248\u672c\u7684<\/p>\n
<!-- https:\/\/mvnrepository.com\/artifact\/com.orbitz.consul\/consul-client -->\n<dependency>\n    <groupId>com.orbitz.consul<\/groupId>\n    <artifactId>consul-client<\/artifactId>\n    <version>1.4.2<\/version>\n<\/dependency><\/code><\/pre>\n
\u4f7f\u7528\u5982\u4e0b\uff1a<\/p>\n
public class ConsulTest {\n    Consul client;\n\n    \/**\n     * \u521d\u59cb\u5316.\n     *\/\n    @Before\n    public void init() {\n        client = Consul.builder().withHostAndPort(HostAndPort.fromParts("xx.xx.xx.xx", 8500)).build();\n        \/\/catalogClient = client.catalogClient();\n    }\n\n    @Test\n    public void queryAll() {\n        Map<String, Service> services = client.agentClient().getServices();\n        for (Map.Entry<String, Service> entry : services.entrySet()) {\n            System.out.println("key:" + entry.getKey());\n            System.out.println("value:" + entry.getValue().toString());\n        }\n    }\n\n    @Test\n    public void testDelete() {\n        client.agentClient().deregister("etcd");\n    }\n\n    @Test\n    public void testAdd() {\n        String serviceName = "prometheus-etcd";\n        String serviceId = "etcd";\n        Registration.RegCheck single = Registration.RegCheck.http("http:\/\/127.0.0.1:2379\/metrics", 20);\n        Registration reg = ImmutableRegistration.builder()\n                .check(single)\n                .addTags("prometheus-target")\n                .address("127.0.0.1")\n                .port(2379)\n                .name(serviceName)\n                .id(serviceId)\n                .build();\n        client.agentClient().register(reg);\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u9759\u6001\u914d\u7f6e \u901a\u5e38Prometheus\u8981\u589e\u52a0\u4e00\u4e2atarget\uff0c\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u5df2\u6dfb\u52a0\u4e00\u4e2ajob\uff0c\u4f8b\u5982\u4e0b\uff1a – jo […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[386],"tags":[394,387],"class_list":["post-1574","post","type-post","status-publish","format-standard","hentry","category-monitor","tag-consul","tag-prometheus"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1574"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1574\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}