prometheus部署监控k8s集群

介绍

镜像下载

服务安装

安装prometheus-operator

[查看custom metrics api](#查看custom metrics api)

介绍

名称	配置	版本	系统版本
master	4核8G	1.20.1	centos7.9
node1	2核4G	1.20.1	centos7.9
node2	2核4G	1.20.1	centos7.9
node3	2核4G	1.20.1	centos7.9
prometheus-operator	-	v0.9.0	-

prometheus-operator下载地址
 prometheus-镜像下载地址
 prometheus-包下载

镜像下载

下载镜像 [0.9.0]

docker pull quay.io/prometheus/alertmanager:v0.21.0

docker pull quay.io/prometheus/blackbox-exporter:v0.18.0

docker pull jimmidyson/configmap-reload:v0.5.0

docker pull quay.io/brancz/kube-rbac-proxy:v0.9.0

docker pull grafana/grafana:7.5.4

docker pull k8s.gcr.io/kube-state-metrics/kube-state-metrics:v2.1.1

docker pull quay.io/prometheus/node-exporter:v1.1.2

docker pull k8s.gcr.io/prometheus-adapter/prometheus-adapter:v0.9.0

docker pull quay.io/prometheus/prometheus:v2.26.0

docker pull quay.io/prometheus-operator/prometheus-operator:v0.47.0

镜像0.9.0

服务安装

$root@k8s-master \~\]# wget https://codeload.github.com/prometheus-operator/kube-prometheus/tar.gz/refs/tags/v0.9.0 \[root@k8s-master \~\]# tar xf v0.9.0 \[root@k8s-master \~\]# cd kube-prometheus-0.9.0/manifests$

安装prometheus-operator

$root@k8s-master \~\]# kubectl apply -f setup/ \[root@k8s-master \~\]# kubectl get pods -n monitoring # 查看pod全部RUNNING之后再执行后面指令 ![](https://file.jishuzhan.net/article/1771064668698185730/5bada3fe37a4b3f16178bdecd52386cb.webp) \[root@k8s-master \~\]# kubectl apply -f . \[root@k8s-master \~\]# kubectl get pods -n monitoring # 等待podRUNNING ![](https://file.jishuzhan.net/article/1771064668698185730/a96e6ac0dd108b50a4bffbac3677b2ad.webp)$

查看custom metrics api

$root@k8s-master \~\]# kubectl get apiservices -n monitoring \| grep metrics![](https://file.jishuzhan.net/article/1771064668698185730/06baac4c870a6f4696f85c9ea9d01c31.webp)$

获取prometheus端口

$root@k8s-master \~\]# kubectl get svc -n monitoring$

配置ingress

复制代码

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress
  namespace: monitoring
  labels:
    name: ingress
spec:
  ingressClassName: nginx
  rules:
  - host: grafana.qf.com
    http:
      paths:
      - pathType: Prefix
        path: "/"
        backend:
          service:
            name: grafana
            port: 
              number: 3000
  - host: prometheus.qf.com
    http:
      paths:
      - pathType: Prefix
        path: "/"
        backend:
          service:
            name: prometheus-k8s
            port: 
              number: 9090
  - host: alert.qf.com
    http:
      paths:
      - pathType: Prefix
        path: "/"
        backend:
          service:
            name: alertmanager-main
            port: 
              number: 9093