k8s 中通过 consul 实现 prometheus 联邦功能

• 部署Data Node prometheus.yaml
  

apiVersion: v1
kind: "Service"
metadata:
  name: prometheus
  namespace: wisecloud-agent
  labels:
    name: prometheus-service
spec:
  ports:
  - name: prometheus-server
    protocol: TCP
    port: 9090
    targetPort: 9090
    nodePort: 32001
  selector:
    app: prometheus-server
  type: NodePort
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  labels:
    name: prometheus
    app: prometheus-server
    com.wise2c.service: prometheus
    com.wise2c.stack: wisecloud-agent
  name: prometheus
  namespace: wisecloud-agent
spec:
  replicas: 1
  template:
    metadata:
      labels:
        name: prometheus
        com.wise2c.service: prometheus
        com.wise2c.stack: wisecloud-agent
        app: prometheus-server
    spec:
      hostNetwork: true
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: io.wise2c.service.prometheus
                operator: Exists
      serviceAccountName: wisecloud-agent
      containers:
      - name: service-register
        image: registry.cn-hangzhou.aliyuncs.com/tder/service-register
        imagePullPolicy: IfNotPresent
        env:
          - name: CONSUL_URL
            value: 192.168.5.11:8500
          - name: LISTEN_PORT
            value: "8089"
          - name: SERVICE_NAME
            value: wisecloud-agent-prometheus
          - name: SERVICE_PORT
            value: "9090"
          - name: SERVICE_HEALTH_CHECK_PATH
            value: "/health"
      - name: prometheus
        image: prom/prometheus:v1.7.1
        imagePullPolicy: IfNotPresent
        command:
        - "/bin/prometheus"
        args:
        - "-config.file=/etc/prometheus/prometheus.yml"
        - "-storage.local.path=/prometheus"
        - "-storage.local.retention=180h"
        ports:
        - containerPort: 9090
          protocol: TCP
        volumeMounts:
        - name: data
          mountPath: "/prometheus"
        - name: config-volume
          mountPath: "/etc/prometheus"
        - name: alert-roles
          mountPath: "/etc/prometheus-rules"
        - name: local-timezone
          mountPath: "/etc/localtime"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
          limits:
            cpu: 500m
            memory: 2500Mi
      tolerations:
      - key: "node-role.kubernetes.io/master"
        operator: "Exists"
        effect: "NoSchedule"
      volumes:
      - name: data
        hostPath:
          path: /prometheus
      - name: alert-roles
        hostPath:
          path: /etc/prometheus-rules
      - name: config-volume
        configMap:
          name: prometheus-config
      - name: local-timezone
        hostPath:
          path: /etc/localtime
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-config
  namespace: wisecloud-agent
data:
  prometheus.yml: |
    global:
      scrape_interval: 30s
      scrape_timeout: 10s
      evaluation_interval: 30s
      external_labels:
        environment: k8s_test
    rule_files:
      - "/etc/prometheus-rules/*.rules"
    scrape_configs:
    - job_name: 'cadvisor'
      honor_labels: true
      metrics_path: /metrics/cadvisor
      scheme: https
      kubernetes_sd_configs:
      - role: endpoints
        namespaces:
          names:
          - kube-system
      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
      tls_config:
        insecure_skip_verify: true
      relabel_configs:
      - source_labels: [__meta_kubernetes_service_label_k8s_app]
        separator: ;
        regex: kubelet
        replacement: $1
        action: keep
      - source_labels: [__meta_kubernetes_endpoint_port_name]
        separator: ;
        regex: https-metrics
        replacement: $1
        action: keep
      - source_labels: [__meta_kubernetes_namespace]
        separator: ;
        regex: (.*)
        target_label: namespace
        replacement: $1
        action: replace
      - source_labels: [__meta_kubernetes_pod_name]
        separator: ;
        regex: (.*)
        target_label: pod
        replacement: $1
        action: replace
      - source_labels: [__meta_kubernetes_service_name]
        separator: ;
        regex: (.*)
        target_label: service
        replacement: $1
        action: replace
      - source_labels: [__meta_kubernetes_service_name]
        separator: ;
        regex: (.*)
        target_label: job
        replacement: ${1}
        action: replace
      - source_labels: [__meta_kubernetes_service_label_k8s_app]
        separator: ;
        regex: (.+)
        target_label: job
        replacement: ${1}
        action: replace
      - separator: ;
        regex: (.*)
        target_label: endpoint
        replacement: https-metrics
        action: replace

• 部署Data Center。 为了简化Prometheus-Operator的部署可以使用

  https://github.com/alanpeng/install-prometheus-operator (喜欢的可以star哦)。启动以后效果如下:

• 修改prometheus-prometheus.yaml

apiVersion: monitoring.coreos.com/v1
kind: Prometheus
metadata:
  labels:
    prometheus: k8s
  name: k8s
  namespace: monitoring
spec:
  alerting:
    alertmanagers:
    - name: alertmanager-main
      namespace: monitoring
      port: web
  baseImage: 192.168.5.14/library/prometheus
  nodeSelector:
    beta.kubernetes.io/os: linux
  replicas: 1
  resources:
    requests:
      memory: 100Mi
  ruleSelector:
    matchLabels:
      prometheus: k8s
      role: alert-rules
  serviceAccountName: prometheus-k8s
  serviceMonitorNamespaceSelector: {}
  serviceMonitorSelector: {}
  version: v2.3.1
  additionalScrapeConfigs:
    name: prometheus-k8s-new
    key: prometheus-additional.yaml

深圳睿云智合科技有限公司成立于2012年，总部位于深圳，并分别在成都、深圳设立了研发中心，北京、上海设立了分支机构，核心骨干人员全部为来自金融、科技行业知名企业资深业务专家、技术专家。早期专注于为中国金融保险等大型企业提供创新技术、电子商务、CRM等领域专业咨询服务。

自2016年始，在率先将容器技术引进到中国保险行业客户后，公司组建了专业的容器技术产品研发和实施服务团队，旨在帮助中国金融行业客户将容器创新技术应用于企业信息技术支持业务发展的基础能力改善与提升，成为中国金融保险行业容器技术服务领导品牌。

此外，凭借多年来在呼叫中心领域的业务经验与技术积累，睿云智合率先在业界推出基于开源软交换平台FreeSwitch的微服务架构多媒体数字化业务平台，将语音、视频、webchat、微信、微博等多种客户接触渠道集成，实现客户统一接入、精准识别、智能路由的CRM策略，并以容器化治理来支持平台的全应用生命周期管理，显著提升了数字化业务处理的灵活、高效、弹性、稳定等特性，为帮助传统企业向“以客户为中心”的数字化业务转型提供完美的一站式整体解决方案。

大家快来扫我！

这里有你想了解的行业资讯和你所需要的技术干货！！

大家关注【Wise2C】后回复【进群】，睿云小助手会第一时间把拉你进入【 Docker企业落地实践群】，我们分享的各个企业案例项目的技术专家与用户代表，正在敬候您的光临！

若需要了解更多有关Wise系列PaaS产品的详情，请与我们的市场团队联系：contact@wise2c.com