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prometheus api
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如何配置prometheus的Java客户端 https://blog.csdn.net/frog4/article/details/84579165 一、文档资料 1.prometheus官方http APIhttps://prometheus.io/docs/prometheus/1.8/querying/api/ 可以根据使用的版本选择API k8s集群使用prometheus-operator做监控 文档 https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#prometheusspec 二、访问接口http://192.168.14.176 为k8s master节点,根据实际部署替换 prometheus-operatorprometheus-operator部署prometheus集群监控 [root@docker176 ~]# kubectl -n monitoring get pod,svc NAME READY STATUS RESTARTS AGE po/alertmanager-main-0 2/2 Running 2 po/alertmanager-main-1 2/2 Running 0 po/alertmanager-main-2 2/2 Running 0 po/grafana-2388285037-7ql1n 2/2 Running 0 po/kube-state-metrics-4004652727-9bvs3 1/1 Running 0 po/node-exporter-q0z7t 1/1 Running 0 po/node-exporter-zhh9f 1/1 Running 0 po/prometheus-k8s-0 2/2 Running 2 po/prometheus-k8s-1 2/2 Running 0 po/prometheus-operator-1217885251-p8377 1/1 Running 0 NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE svc/alertmanager-main 10.254.233.0 9093:30903/TCP svc/alertmanager-operated None 9093/TCP,6783/TCP 10h svc/grafana 10.254.30.106 3000:30902/TCP svc/kube-state-metrics 10.254.221.201 8080/TCP svc/node-exporter None 9100/TCP svc/prometheus-k8s 10.254.182.160 9090:30900/TCP svc/prometheus-operated None 9090/TCP 10h svc/prometheus-operator 10.254.102.234 8080/TCP使用grafana请求 http://192.168.14.176:30902/api/datasources/proxy/1/api/v1/query_range?query=((sum(node_memory_MemTotal)%20-%20sum(node_memory_MemFree)%20-%20sum(node_memory_Buffers)%20-%20sum(node_memory_Cached))%20%2F%20sum(node_memory_MemTotal))%20*%20100&start=1550732384&end=1550810623&step=1800直接请求prometheus http://192.168.14.176:30900/api/v1/query_range?query=((sum(node_memory_MemTotal)%20-%20sum(node_memory_MemFree)%20-%20sum(node_memory_Buffers)%20-%20sum(node_memory_Cached))%20%2F%20sum(node_memory_MemTotal))%20*%20100&start=1550732384&end=1550810623&step=1800上面面两个请求的结果相同 prometheus http://192.168.14.176:30900/api/v1/query_range grafana http://192.168.14.176:30902/api/datasources/proxy/1/api/v1/query_range grafana通过k8s的datasources/proxy请求到prometheus中 三、常地址http://192.168.14.176 为k8s master节点,根据实际部署替换 prometheus http://192.168.14.176:30900 grafana UI http://192.168.14.176:30902 Alertmanager http://192.168.14.176:30903 |
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