使用 CLI 访问监控 API

$ TOKEN=$(oc whoami -t)

$ HOST=$(oc -n openshift-monitoring get route alertmanager-main -ojsonpath={.status.ingress[].host})

$ curl -H "Authorization: Bearer $TOKEN" -k "https://$HOST/api/v2/receivers"

$ TOKEN=$(oc whoami -t)

$ HOST=$(oc -n openshift-monitoring get route prometheus-k8s-federate -ojsonpath={.status.ingress[].host})

$ curl -G -k -H "Authorization: Bearer $TOKEN" https://$HOST/federate --data-urlencode 'match[]=up'

# TYPE up untyped
up{apiserver="kube-apiserver",endpoint="https",instance="10.0.143.148:6443",job="apiserver",namespace="default",service="kubernetes",prometheus="openshift-monitoring/k8s",prometheus_replica="prometheus-k8s-0"} 1 1657035322214
up{apiserver="kube-apiserver",endpoint="https",instance="10.0.148.166:6443",job="apiserver",namespace="default",service="kubernetes",prometheus="openshift-monitoring/k8s",prometheus_replica="prometheus-k8s-0"} 1 1657035338597
up{apiserver="kube-apiserver",endpoint="https",instance="10.0.173.16:6443",job="apiserver",namespace="default",service="kubernetes",prometheus="openshift-monitoring/k8s",prometheus_replica="prometheus-k8s-0"} 1 1657035343834
...

$ TOKEN=$(oc whoami -t)

$ HOST=$(oc -n openshift-monitoring get route thanos-querier -ojsonpath={.status.ingress[].host})

$ NAMESPACE=ns1

$ curl -H "Authorization: Bearer $TOKEN" -k "https://$HOST/api/v1/query?" --data-urlencode "query=up{namespace='$NAMESPACE'}"

{
  "status": "success",
  "data": {
    "resultType": "vector",
    "result": [
      {
        "metric": {
          "__name__": "up",
          "endpoint": "web",
          "instance": "10.129.0.46:8080",
          "job": "prometheus-example-app",
          "namespace": "ns1",
          "pod": "prometheus-example-app-68d47c4fb6-jztp2",
          "service": "prometheus-example-app"
        },
        "value": [
          1591881154.748,
          "1"
        ]
      }
    ],
  }
}