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loki 部署和镜像代理 一、部署 1.1 添加 Grafana 的 Helm 仓库helm repo add grafana https://grafana.github.io/helm-charts helm repo update1.2 安装 Loki Stack（只装 Loki + Promtail，不重复装 Prometheus/Grafana）#如果你有代理 临时生效 export http_proxy="http://192.168.3.135:7890" export https_proxy="http://192.168.3.135:7890" export HTTP_PROXY="$http_proxy" export HTTPS_PROXY="$https_proxy" # 内网和 k8s service 网段一般不走代理 export no_proxy="localhost,127.0.0.1,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16,.svc,.cluster.local" export NO_PROXY="$no_proxy" #要全局永久生效，可以写到 /etc/environment 或 /etc/profile 里： sudo tee -a /etc/environment >/dev/null <<EOF HTTP_PROXY=http://192.168.3.135:7890 HTTPS_PROXY=http://192.168.3.135:7890 http_proxy=http://192.168.3.135:7890 https_proxy=http://192.168.3.135:7890 NO_PROXY=localhost,127.0.0.1,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16,.svc,.cluster.local no_proxy=localhost,127.0.0.1,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16,.svc,.cluster.local EOF #如果是docker运行时 每个节点都部署 其中 10.96.0.0/12 是很多 kubeadm 集群默认的 Service CIDR，可按你集群实际修改。 sudo mkdir -p /etc/systemd/system/docker.service.d sudo tee /etc/systemd/system/docker.service.d/http-proxy.conf >/dev/null <<EOF [Service] Environment="HTTP_PROXY=http://192.168.3.135:7890" Environment="HTTPS_PROXY=http://192.168.3.135:7890" Environment="NO_PROXY=localhost,127.0.0.1,10.96.0.0/12,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16,.svc,.cluster.local" EOF sudo systemctl daemon-reload sudo systemctl restart docker sudo systemctl show --property=Environment docker #如果是containerd运行时 每个节点都部署 其中 10.96.0.0/12 是很多 kubeadm 集群默认的 Service CIDR，可按你集群实际修改。 sudo mkdir -p /etc/systemd/system/containerd.service.d sudo tee /etc/systemd/system/containerd.service.d/http-proxy.conf >/dev/null <<EOF [Service] Environment="HTTP_PROXY=http://192.168.3.135:7890" Environment="HTTPS_PROXY=http://192.168.3.135:7890" Environment="NO_PROXY=localhost,127.0.0.1,10.96.0.0/12,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16,.svc,.cluster.local" EOF sudo systemctl daemon-reload sudo systemctl restart containerd sudo systemctl show --property=Environment containerd #创建pod helm install loki grafana/loki-stack \ -n monitoring --create-namespace \ --set grafana.enabled=false \ --set prometheus.enabled=false 二、配置 2.1 如果loki 和 prometheus在同一个名称空间下2.2 使用 -
grafana grafana使用要先做nfs挂载卷[root@master01 test]# kubectl get pv NAME CAPACITY ACCESS MODES RECLAIM POLICY STATUS CLAIM STORAGECLASS VOLUMEATTRIBUTESCLASS REASON AGE grafana-pv 2Gi RWO Retain Bound monitor/grafana-pvc nfs-client <unset> 27h[root@master01 test]# cat grafana.yaml # grafana.yaml # 为grafana创建持久存储，用于存放插件等数据，挂载到容器的/var/lib/grafana下 apiVersion: v1 kind: PersistentVolumeClaim metadata: name: grafana-pvc namespace: monitor labels: app: grafana spec: storageClassName: nfs-client accessModes: - ReadWriteOnce resources: requests: storage: 2Gi --- apiVersion: apps/v1 kind: Deployment metadata: name: grafana namespace: monitor spec: selector: matchLabels: app: grafana template: metadata: labels: app: grafana spec: volumes: - name: storage persistentVolumeClaim: claimName: grafana-pvc securityContext: runAsUser: 0 # 必须以root身份运行 containers: - name: grafana image: grafana/grafana # 默认lastest最新，也可以指定版本grafana/grafana:10.4.4 imagePullPolicy: IfNotPresent ports: - containerPort: 3000 name: grafana env: # 配置 grafana 的管理员用户和密码的， - name: GF_SECURITY_ADMIN_USER value: admin - name: GF_SECURITY_ADMIN_PASSWORD value: admin321 readinessProbe: failureThreshold: 10 httpGet: path: /api/health port: 3000 scheme: HTTP periodSeconds: 10 successThreshold: 1 timeoutSeconds: 30 livenessProbe: failureThreshold: 3 httpGet: path: /api/health port: 3000 scheme: HTTP periodSeconds: 10 successThreshold: 1 timeoutSeconds: 1 resources: limits: cpu: 150m memory: 512Mi requests: cpu: 150m memory: 512Mi volumeMounts: - mountPath: /var/lib/grafana name: storage --- apiVersion: v1 kind: Service metadata: name: grafana namespace: monitor spec: type: NodePort ports: - port: 3000 selector: app: grafana [root@master01 /]# kubectl -n monitor get svc NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE alertmanager NodePort 10.99.103.160 <none> 9093:30610/TCP 94m grafana NodePort 10.99.18.224 <none> 3000:30484/TCP 28h prometheus NodePort 10.108.206.132 <none> 9090:31119/TCP 3d1h promoter ClusterIP 10.97.213.227 <none> 8080/TCP 18h redis ClusterIP 10.97.184.21 <none> 6379/TCP,9121/TCP 2d21h 使用grafana出图先使用浏览器访问<你的物理机IP地址>:(1)添加仪表图形(2)选择对接的监控(3)设置需要对接的IP+端口（其他不用修改）(4)添加图形模板(5)查看已经配置好的
