00. 사전조건
01. 개요
Kubernetes-operator
Summary
- kube-prometheus-stack collects Kubernetes manifests, Grafana dashboards, and Prometheus rules combined with documentation and scripts to provide easy to operate end-to-end Kubernetes cluster monitoring with Prometheus using the Prometheus Operator.
- Installs the kube-prometheus stack, a collection of Kubernetes manifests, Grafana dashboards, and Prometheus rules combined with documentation and scripts to provide easy to operate end-to-end Kubernetes cluster monitoring with Prometheus using the Prometheus Operator.
Dependencies
By default this chart installs additional, dependent charts:
Guide for kube-prometheus-stack with Helm3.x
02. Namespace 생성
sansae@win10pro-worksp:$ kubectl create ns monitor-po
03. Install Chart of kube-prometheus-stack
sansae@win10pro-worksp:$ helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
"prometheus-community" already exists with the same configuration, skipping
sansae@win10pro-worksp:$
sansae@win10pro-worksp:$ helm repo update
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "ingress-nginx" chart repository
...Successfully got an update from the "elastic" chart repository
...Successfully got an update from the "dynatrace" chart repository
...Successfully got an update from the "prometheus-community" chart repository
Update Complete. ⎈Happy Helming!⎈
sansae@win10pro-worksp:$ helm install kube-prometheus-stack prometheus-community/kube-prometheus-stack -n monitor-po
NAME: kube-prometheus-stack
LAST DEPLOYED: Wed Mar 31 10:30:38 2021
NAMESPACE: monitor-po
STATUS: deployed
REVISION: 1
NOTES:
kube-prometheus-stack has been installed. Check its status by running:
kubectl --namespace monitor-po get pods -l "release=kube-prometheus-stack"
Visit https://github.com/prometheus-operator/kube-prometheus for instructions on how to create & configure Alertmanager and Prometheus instances using the Operator.
sansae@win10pro-worksp:$ kubectl get all -n monitor-po
NAME READY STATUS RESTARTS AGE
pod/alertmanager-kube-prometheus-stack-alertmanager-0 2/2 Running 0 91s
pod/kube-prometheus-stack-grafana-6b5c8fd86c-lwcv2 2/2 Running 0 93s
pod/kube-prometheus-stack-kube-state-metrics-7877f4cc7c-b2nnc 1/1 Running 0 93s
pod/kube-prometheus-stack-operator-5859b9c949-4n24x 1/1 Running 0 93s
pod/kube-prometheus-stack-prometheus-node-exporter-5f4pm 1/1 Running 0 93s
pod/kube-prometheus-stack-prometheus-node-exporter-5fbc7 1/1 Running 0 93s
pod/kube-prometheus-stack-prometheus-node-exporter-ggj8c 1/1 Running 0 93s
pod/kube-prometheus-stack-prometheus-node-exporter-h5cfj 1/1 Running 0 93s
pod/kube-prometheus-stack-prometheus-node-exporter-hvpsf 1/1 Running 0 93s
pod/kube-prometheus-stack-prometheus-node-exporter-mbt54 1/1 Running 0 93s
pod/kube-prometheus-stack-prometheus-node-exporter-s5zd9 1/1 Running 0 93s
pod/kube-prometheus-stack-prometheus-node-exporter-v7bsj 1/1 Running 0 93s
pod/kube-prometheus-stack-prometheus-node-exporter-v7sts 1/1 Running 0 93s
pod/kube-prometheus-stack-prometheus-node-exporter-vnmx5 1/1 Running 0 93s
pod/prometheus-kube-prometheus-stack-prometheus-0 2/2 Running 1 91s
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S)
AGE
service/alertmanager-operated ClusterIP None <none> 9093/TCP,9094/TCP,9094/UDP 91s
service/kube-prometheus-stack-alertmanager ClusterIP 10.0.92.245 <none> 9093/TCP
93s
service/kube-prometheus-stack-grafana ClusterIP 10.0.240.51 <none> 80/TCP
93s
service/kube-prometheus-stack-kube-state-metrics ClusterIP 10.0.47.252 <none> 8080/TCP
93s
service/kube-prometheus-stack-operator ClusterIP 10.0.215.243 <none> 443/TCP
93s
service/kube-prometheus-stack-prometheus ClusterIP 10.0.152.193 <none> 9090/TCP
93s
service/kube-prometheus-stack-prometheus-node-exporter ClusterIP 10.0.216.169 <none> 9100/TCP
93s
service/prometheus-operated ClusterIP None <none> 9090/TCP
91s
NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
daemonset.apps/kube-prometheus-stack-prometheus-node-exporter 10 10 10 10 10 <none> 93s
NAME READY UP-TO-DATE AVAILABLE AGE
deployment.apps/kube-prometheus-stack-grafana 1/1 1 1 93s
deployment.apps/kube-prometheus-stack-kube-state-metrics 1/1 1 1 93s
deployment.apps/kube-prometheus-stack-operator 1/1 1 1 93s
NAME DESIRED CURRENT READY AGE
replicaset.apps/kube-prometheus-stack-grafana-6b5c8fd86c 1 1 1 93s
replicaset.apps/kube-prometheus-stack-kube-state-metrics-7877f4cc7c 1 1 1 93s
replicaset.apps/kube-prometheus-stack-operator-5859b9c949 1 1 1 93s
NAME READY AGE
statefulset.apps/alertmanager-kube-prometheus-stack-alertmanager 1/1 91s
statefulset.apps/prometheus-kube-prometheus-stack-prometheus 1/1 91s
sansae@win10pro-worksp:$
04. Volume 설정
04-01. Prometheus Volume
sansae@win10pro-worksp:/workspaces$ kubectl edit prometheus kube-prometheus-stack-prometheus -n monitor-po ============================================================= 156 storage: 157 volumeClaimTemplate: 158 spec: 159 accessModes: 160 - ReadWriteOnce 161 resources: 162 requests: 163 storage: 50Gi 164 storageClassName: managed-premium ============================================================= prometheus.monitoring.coreos.com/kube-prometheus-stack-prometheus edited
04-02. Alertmanager Volume
sansae@win10pro-worksp:/workspaces$ kubectl edit alertmanager kube-prometheus-stack-alertmanager -n monitor-po ============================================================= 85 storage: 86 volumeClaimTemplate: 87 spec: 88 storageClassName: managed-premium 89 accessModes: ["ReadWriteOnce"] 90 resources: 91 requests: 92 storage: 2Gi ============================================================= alertmanager.monitoring.coreos.com/kube-prometheus-stack-alertmanager edited
04-03. Grafana Volume
sansae@win10pro-worksp:/workspaces$ kubectl edit deploy kube-prometheus-stack-grafana -n monitor-po ============================================================= 400 - mountPath: /var/lib/grafana 401 name: grafana-persistent-storage ------------------------------------------------------- 453 - name: grafana-persistent-storage 454 persistentVolumeClaim: 455 claimName: grafana-pv-claim ============================================================= deployment.apps/kube-prometheus-stack-grafana edited
05. Service Connection
05-01. Prometheus Operated
sansae@win10pro-worksp:$ kubectl get svc -n monitor-po NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE alertmanager-operated ClusterIP None <none> 9093/TCP,9094/TCP,9094/UDP 30m kube-prometheus-stack-alertmanager ClusterIP 10.0.92.245 <none> 9093/TCP 30m kube-prometheus-stack-grafana ClusterIP 10.0.240.51 <none> 80/TCP 30m kube-prometheus-stack-kube-state-metrics ClusterIP 10.0.47.252 <none> 8080/TCP 30m kube-prometheus-stack-operator ClusterIP 10.0.215.243 <none> 443/TCP 30m kube-prometheus-stack-prometheus ClusterIP 10.0.152.193 <none> 9090/TCP 30m kube-prometheus-stack-prometheus-node-exporter ClusterIP 10.0.216.169 <none> 9100/TCP 30m prometheus-operated ClusterIP None <none> 9090/TCP 30m sansae@win10pro-worksp:$ kubectl port-forward service/prometheus-operated 9090 -n monitor-po Forwarding from 127.0.0.1:9090 -> 9090 Forwarding from [::1]:9090 -> 9090
05-02. Grafana
sansae@win10pro-worksp:$ kubectl port-forward service/kube-prometheus-stack-grafana 8000:80 -n monitor-po Forwarding from 127.0.0.1:8000 -> 3000 Forwarding from [::1]:8000 -> 3000 Handling connection for 8000
- default user/password is admin/prom-operator
05-03. AlertManager
sansae@win10pro-worksp:$ kubectl port-forward service/kube-prometheus-stack-alertmanager 9093:9093 -n monitor-po Forwarding from 127.0.0.1:9093 -> 9093 Forwarding from [::1]:9093 -> 9093
삭제
kubectl delete crd alertmanagerconfigs.monitoring.coreos.com kubectl delete crd alertmanagers.monitoring.coreos.com kubectl delete crd podmonitors.monitoring.coreos.com kubectl delete crd probes.monitoring.coreos.com kubectl delete crd prometheuses.monitoring.coreos.com kubectl delete crd prometheusrules.monitoring.coreos.com kubectl delete crd servicemonitors.monitoring.coreos.com kubectl delete crd thanosrulers.monitoring.coreos.com kubectl delete clusterrole kube-prometheus-stack-grafana-clusterrole kubectl delete clusterrole kube-prometheus-stack-kube-state-metrics kubectl delete clusterrole kube-prometheus-stack-operator kubectl delete clusterrole kube-prometheus-stack-operator-psp kubectl delete clusterrole kube-prometheus-stack-prometheus kubectl delete clusterrole kube-prometheus-stack-prometheus-psp kubectl delete clusterrole psp-kube-prometheus-stack-kube-state-metrics kubectl delete clusterrole psp-kube-prometheus-stack-prometheus-node-exporter kubectl delete clusterrolebinding kube-prometheus-stack-grafana-clusterrolebinding kubectl delete clusterrolebinding kube-prometheus-stack-kube-state-metrics kubectl delete clusterrolebinding kube-prometheus-stack-operator kubectl delete clusterrolebinding kube-prometheus-stack-operator-psp kubectl delete clusterrolebinding kube-prometheus-stack-prometheus kubectl delete clusterrolebinding kube-prometheus-stack-prometheus-psp kubectl delete clusterrolebinding psp-kube-prometheus-stack-kube-state-metrics kubectl delete clusterrolebinding psp-kube-prometheus-stack-prometheus-node-exporter kubectl delete svc kube-prometheus-stack-coredns -n kube-system kubectl delete svc kube-prometheus-stack-kube-controller-manager -n kube-system kubectl delete svc kube-prometheus-stack-kube-etcd -n kube-system kubectl delete svc kube-prometheus-stack-kube-proxy -n kube-system kubectl delete svc kube-prometheus-stack-kube-scheduler -n kube-system kubectl delete svc kube-prometheus-stack-kubelet -n kube-system kubectl delete svc prometheus-kube-prometheus-kubelet -n kube-system kubectl delete MutatingWebhookConfiguration kube-prometheus-stack-admission kubectl delete ValidatingWebhookConfiguration kube-prometheus-stack-admission