K8S上使用helm部署 Prometheus + Grafana
一、使用 Helm 安装 Prometheus
1. 配置源
地址：prometheus 27.19.0 · prometheus/prometheus-community
# 添加repo
$ helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
"prometheus-community" has been added to your repositories$ helm repo update prometheus-community
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "prometheus-community" chart repository
Update Complete. ⎈Happy Helming!⎈$ helm search repo prometheus-community
NAME CHART VERSION APP VERSION DESCRIPTION
prometheus-community/alertmanager 1.19.0 v0.28.1 The Alertmanager handles alerts sent by client ...
prometheus-community/alertmanager-snmp-notifier 1.0.0 v2.0.0 The SNMP Notifier handles alerts coming from Pr...
prometheus-community/jiralert 1.7.2 v1.3.0 A Helm chart for Kubernetes to install jiralert
prometheus-community/kube-prometheus-stack 72.7.0 v0.82.2 kube-prometheus-stack collects Kubernetes manif...
prometheus-community/kube-state-metrics 5.33.2 2.15.0 Install kube-state-metrics to generate and expo...
prometheus-community/prom-label-proxy 0.12.2 v0.11.0 A proxy that enforces a given label in a given ...
prometheus-community/prometheus 27.16.0 v3.4.0 Prometheus is a monitoring system and time seri...
prometheus-community/prometheus-adapter 4.14.1 v0.12.0 A Helm chart for k8s prometheus adapter
prometheus-community/prometheus-blackbox-exporter 9.7.0 v0.26.0 Prometheus Blackbox Exporter
prometheus-community/prometheus-cloudwatch-expo... 0.27.0 0.16.0 A Helm chart for prometheus cloudwatch-exporter
prometheus-community/prometheus-conntrack-stats... 0.5.19 v0.4.27 A Helm chart for conntrack-stats-exporter
2. 下载 prometheus 包
# 拉包
$ helm pull prometheus-community/prometheus$ ll
total 88
drwxr-xr-x 2 root root 4096 Jul 16 03:12 ./
drwxrwxr-x 9 ubuntu ubuntu 4096 Jul 16 03:10 ../
-rw-r--r-- 1 root root 80137 Jul 16 03:12 prometheus-27.16.0.tgz# 解包
$ tar -zxvf prometheus-27.16.0.tgz ###修改存储，需修改2处
vim values.yaml## Prometheus server data Persistent Volume Storage Class## If defined, storageClassName: <storageClass>## If set to "-", storageClassName: "", which disables dynamic provisioning## If undefined (the default) or set to null, no storageClassName spec is## set, choosing the default provisioner. (gp2 on AWS, standard on## GKE, AWS & OpenStack)##storageClass: "managed-nfs-storage" ###修改为自己的动态存储名称## Subdirectory of Prometheus server data Persistent Volume to mount## Useful if the volume's root directory is not empty##subPath: ""vim charts/alertmanager/values.yaml persistence:enabled: true## Persistent Volume Storage Class## If defined, storageClassName: <storageClass>## If set to "-", storageClassName: "", which disables dynamic provisioning## If undefined (the default) or set to null, no storageClassName spec is## set, choosing the default provisioner.##storageClass: "managed-nfs-storage" ###修改为自己的动态存储名称accessModes:- ReadWriteOncesize: 50Mi#####部署helm install prometheus ./ -n prometheus二、使用 Helm 安装 Grafana
1. 配置源
地址：grafana 9.2.2 · grafana/grafana
$ helm repo add grafana https://grafana.github.io/helm-charts
"grafana" has been added to your repositories$ helm repo update grafana
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "grafana" chart repository
Update Complete. ⎈Happy Helming!⎈$ helm search repo grafana/grafana
NAME CHART VERSION APP VERSION DESCRIPTION
grafana/grafana 9.2.2 12.0.1 The leading tool for querying and visualizing t...
grafana/grafana-agent 0.42.0 v0.42.0 Grafana Agent
grafana/grafana-agent-operator 0.5.1 0.44.2 A Helm chart for Grafana Agent Operator
grafana/grafana-operator v5.18.0 v5.18.0 Helm chart for the Grafana Operator
grafana/grafana-sampling 1.1.5 v1.7.5 A Helm chart for a layered OTLP tail sampling a...2. 安装 grafana
$ helm install grafana grafana/grafana -n grafana --create-namespace
NAME: grafana
LAST DEPLOYED: Tue Jun 3 13:51:47 2025
NAMESPACE: grafana
STATUS: deployed
REVISION: 1
NOTES:
1. Get your 'admin' user password by running:kubectl get secret --namespace grafana grafana -o jsonpath="{.data.admin-password}" | base64 --decode ; echo2. The Grafana server can be accessed via port 80 on the following DNS name from within your cluster:grafana.grafana.svc.cluster.localGet the Grafana URL to visit by running these commands in the same shell:export POD_NAME=$(kubectl get pods --namespace grafana -l "app.kubernetes.io/name=grafana,app.kubernetes.io/instance=grafana" -o jsonpath="{.items[0].metadata.name}")kubectl --namespace grafana port-forward $POD_NAME 30003. Login with the password from step 1 and the username: admin
#################################################################################
###### WARNING: Persistence is disabled!!! You will lose your data when #####
###### the Grafana pod is terminated. #####
#################################################################################3. 访问
web 访问：https://yourip：port
账号：admin，密码通过下面命令获取
$ kubectl get secret --namespace grafana grafana -o jsonpath="{.data.admin-password}" | base64 --decode ; echo
0D0NfEWWFx9qsBiKR8PuFVxf6PPa9o8YGhZZaNXY
