k8s---prometheus 监控
目录
环境准备
下载 kube-prometheus 软件包
下载prometheus 镜像
master节点
master节点导入prometheus软件包
解压
node节点
node节点导入镜像
解压
从tar包中加载镜像
部署 prometheus
修改映射端口
提交
查看pod
pod和svc正常启动
deployment
daemonset
service
删除影响外部访问的pod资源
网页访问
环境准备
下载 kube-prometheus 软件包
下载prometheus 镜像
master节点
master节点导入prometheus软件包
[root@k8s-master ~]# mkdir prometheus
[root@k8s-master ~]# cd prometheus/
[root@k8s-master prometheus]# ls
kube-prometheus-0.13.0.zip解压
[root@k8s-master prometheus]# unzip kube-prometheus-0.13.0.zip
Archive: kube-prometheus-0.13.0.zip
node节点
node节点导入镜像
[root@k8s-node1 ~]# mkdir prometheus
[root@k8s-node1 ~]# cd prometheus/
[root@k8s-node1 prometheus]# rz
rz waiting to receive.**[root@k8s-node1 prometheus]# ls
prometheus.zip解压
[root@k8s-node1 prometheus]# unzip prometheus.zip
Archive: prometheus.zipinflating: prometheus.tar 从tar包中加载镜像
[root@k8s-node1 prometheus]# ls
prometheus.tar prometheus.zip
[root@k8s-node1 prometheus]# docker load -i prometheus.tar 
部署 prometheus
修改映射端口
[root@k8s-master manifests]# vim prometheus-service.yaml
[root@k8s-master manifests]# vim grafana-service.yaml
[root@k8s-master manifests]# vim alertmanager-service.yaml 以上配置文件分别增加如下配置：
spec:type: NodePort
提交
kubectl create -f ./setup
kubectl create -f ./查看pod
pod和svc正常启动
[root@k8s-master manifests]# kubectl -n monitoring get po
NAME READY STATUS RESTARTS AGE
alertmanager-main-0 2/2 Running 0 63s
alertmanager-main-1 2/2 Running 0 63s
alertmanager-main-2 2/2 Running 0 63s
blackbox-exporter-6cfc4bffb6-jwxzx 3/3 Running 0 66s
grafana-748964b847-5drhv 1/1 Running 0 65s
kube-state-metrics-6b4d48dcb4-9wzdr 3/3 Running 0 65s
node-exporter-2g9b5 2/2 Running 0 65s
node-exporter-fn86k 2/2 Running 0 65s
node-exporter-pl4xk 2/2 Running 0 65s
prometheus-adapter-79c588b474-gfjn5 1/1 Running 0 64s
prometheus-adapter-79c588b474-ncx2m 1/1 Running 0 64s
prometheus-k8s-0 2/2 Running 0 63s
prometheus-k8s-1 2/2 Running 0 63s
prometheus-operator-68f6c79f9d-jmm6r 2/2 Running 0 64s
deployment
[root@k8s-master manifests]# kubectl -n monitoring get deployments.apps
NAME READY UP-TO-DATE AVAILABLE AGE
blackbox-exporter 1/1 1 1 2m13s
grafana 1/1 1 1 2m13s
kube-state-metrics 1/1 1 1 2m12s
prometheus-adapter 2/2 2 2 2m12s
prometheus-operator 1/1 1 1 2m11s
daemonset
[root@k8s-master manifests]# kubectl -n monitoring get daemonsets.apps
NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
node-exporter 3 3 3 3 3 kubernetes.io/os=linux 2m44s
service
[root@k8s-master manifests]# kubectl -n monitoring get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
alertmanager-main NodePort 10.103.129.205 <none> 9093:30620/TCP,8080:31461/TCP 2m22s
alertmanager-operated ClusterIP None <none> 9093/TCP,9094/TCP,9094/UDP 2m19s
blackbox-exporter ClusterIP 10.96.163.18 <none> 9115/TCP,19115/TCP 2m22s
grafana NodePort 10.100.242.32 <none> 3000:31046/TCP 2m21s
kube-state-metrics ClusterIP None <none> 8443/TCP,9443/TCP 2m21s
node-exporter ClusterIP None <none> 9100/TCP 2m21s
prometheus-adapter ClusterIP 10.104.32.247 <none> 443/TCP 2m21s
prometheus-k8s NodePort 10.109.128.29 <none> 9090:32732/TCP,8080:30519/TCP 2m21s
prometheus-operated ClusterIP None <none> 9090/TCP 2m19s
prometheus-operator ClusterIP None <none> 8443/TCP 2m20s
删除影响外部访问的pod资源
[root@k8s-master manifests]# kubectl delete -f prometheus-networkPolicy.yaml
networkpolicy.networking.k8s.io "prometheus-k8s" deleted
[root@k8s-master manifests]# kubectl delete -f grafana-networkPolicy.yaml
networkpolicy.networking.k8s.io "grafana" deleted
[root@k8s-master manifests]# kubectl delete -f alertmanager-networkPolicy.yaml
networkpolicy.networking.k8s.io "alertmanager-main" deleted
网页访问
a
192.168.158.33:31046
#访问用户和密码
admin/admin
prometheus就是通过内部端口9090进行访问的
如何设置告警信息呢？
如下操作：
进到prometheus-k8s-0 容器里
[root@k8s-master manifests]# kubectl -n monitoring get po
NAME READY STATUS RESTARTS AGE
alertmanager-main-0 2/2 Running 0 3h49m
alertmanager-main-1 2/2 Running 0 3h49m
alertmanager-main-2 2/2 Running 0 3h49m
blackbox-exporter-6cfc4bffb6-jwxzx 3/3 Running 0 3h49m
grafana-bc647458d-rnrcj 1/1 Running 0 3h28m
kube-state-metrics-6b4d48dcb4-9wzdr 3/3 Running 0 3h49m
node-exporter-2g9b5 2/2 Running 0 3h49m
node-exporter-fn86k 2/2 Running 0 3h49m
node-exporter-pl4xk 2/2 Running 0 3h49m
prometheus-adapter-79c588b474-gfjn5 1/1 Running 0 3h49m
prometheus-adapter-79c588b474-ncx2m 1/1 Running 0 3h49m
prometheus-k8s-0 2/2 Running 0 3h49m
prometheus-k8s-1 2/2 Running 0 3h49m
prometheus-operator-68f6c79f9d-jmm6r 2/2 Running 0 3h49m
[root@k8s-master manifests]# kubectl -n monitoring exec -it prometheus-k8s-0 -- sh
/prometheus $
/prometheus $ cd 
主要文件：prometheus.yml
告警规则：rules
打开 # - alertmanager:9093
