k8s 中部署grafana,prometheus 監控服務器信息

服務器爲centos7

1:到docker hub 中搜索 grafana 選擇最新版本  grafana/grafana:latest

2:   到docker hub 中搜索 prometheus 選擇最新版本  prom/prometheus:v2.10.0

2:   到docker hub 中搜索 node-exporter 選擇最新版本 prom/node-exporter:v0.17.0

3:通過kuboard 部署 以上三個個鏡像

其中部署 prometheus 比較麻煩,步驟如下:

1:需要在服務器安裝 nfs https://blog.csdn.net/qq_38265137/article/details/83146421

2:安裝好後,創建存儲類

 創建存儲聲明

創建secrets,配置etcd-certs,到k8s路徑下取到這兩個crt,和key的值

 

 

配置prometheus config文件

global:
  scrape_interval:     15s # By default, scrape targets every 15 seconds.

  # Attach these labels to any time series or alerts when communicating with
  # external systems (federation, remote storage, Alertmanager).
  external_labels:
    monitor: 'codelab-monitor'

# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
  - job_name: 'prometheus'

    # Override the global default and scrape targets from this job every 5 seconds.
    scrape_interval: 5s
    
    static_configs:
      - targets: ['localhost:9090']
  - job_name: 'node'

    # Override the global default and scrape targets from this job every 5 seconds.
    scrape_interval: 5s

    static_configs:
      - targets: ['192.168.7.123:30091']
  - job_name: 'heapster'

    # Override the global default and scrape targets from this job every 5 seconds.
    scrape_interval: 5s

    static_configs:
      - targets: ['192.168.7.123:30080']
  - job_name: 'metrics'

    # Override the global default and scrape targets from this job every 5 seconds.
    scrape_interval: 5s

    static_configs:
      - targets: ['monitor-kube-state-metrics:8080']
  - job_name: 'gateway'

    # Override the global default and scrape targets from this job every 5 seconds.
    scrape_interval: 5s

    static_configs:
      - targets: ['192.168.7.115:30020']

部署prometheus 

之後訪問 ip:端口號 訪問grafana

1:配置prometheus數據源

 

可以去 https://grafana.com/dashboards 自行搜尋,在這裏我們用一名國人爲 node_exporter 寫的 Dashboard ,對應的主頁爲 https://grafana.com/dashboards/8919 

 

 如果不能聯網:需要導入以下鏡像

 

quay.io/external_storage/nfs-client-provisioner:v3.1.0-k8s1.11

下面配置爲空

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