1. prometheus-監控docker伺服器
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prometheus-監控docker伺服器
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cAdvisor（Container Advisor）：用於收集正在執行的容器資源使用和效能資訊。
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docker部署cAdvisor示例：
docker run -d \ --volume=/:/rootfs:ro \ --volume=/var/run:/var/run:ro \ --volume=/sys:/sys:ro \ --volume=/var/lib/docker/:/var/lib/docker:ro \ --volume=/dev/disk/:/dev/disk:ro \ --publish=8080:8080 \ --detach=true \ --name=cadvisor \ google/cadvisor:latest
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案例： 監控docker伺服器
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監控執行命令
docker run -d \ --volume=/:/rootfs:ro \ --volume=/var/run:/var/run:ro \ --volume=/sys:/sys:ro \ --volume=/var/lib/docker/:/var/lib/docker:ro \ --volume=/dev/disk/:/dev/disk:ro \ --publish=8080:8080 \ --detach=true \ --name=cadvisor \ google/cadvisor:latest -
執行建立監控docker服務
[root@VM-0-17-centos ~]# docker run -d \ > --volume=/:/rootfs:ro \ > --volume=/var/run:/var/run:ro \ > --volume=/sys:/sys:ro \ > --volume=/var/lib/docker/:/var/lib/docker:ro \ > --volume=/dev/disk/:/dev/disk:ro \ > --publish=8080:8080 \ > --detach=true \ > --name=cadvisor \ > google/cadvisor:latest Unable to find image 'google/cadvisor:latest' locally latest: Pulling from google/cadvisor ff3a5c916c92: Pull complete 44a45bb65cdf: Pull complete 0bbe1a2fe2a6: Pull complete Digest: sha256:815386ebbe9a3490f38785ab11bda34ec8dacf4634af77b8912832d4f85dca04 Status: Downloaded newer image for google/cadvisor:latest 78d6d7db3b715f5800346cd592575a4b7be5e644e198dbf95160e64c3545fa53 -
進行資料訪問http://ip:8080
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配置prometheus新增服務
[root@prometheus ~]# cd /opt/monitor/ [root@prometheus monitor]# ll total 23072 drwxr-xr-x 2 3434 3434 93 Jun 7 14:39 alertmanager -rw-r--r-- 1 root root 23624308 May 11 04:11 alertmanager-0.22.0-rc.1.linux-amd64.tar.gz drwxr-xr-x 8 root root 157 Jun 6 17:18 grafana drwxr-xr-x 5 3434 3434 145 Jun 7 17:07 prometheus [root@prometheus monitor]# cd prometheus/ [root@prometheus prometheus]# ll total 167980 drwxr-xr-x 2 3434 3434 38 Mar 17 04:20 console_libraries drwxr-xr-x 2 3434 3434 173 Mar 17 04:20 consoles -rw-r--r-- 1 3434 3434 11357 Mar 17 04:20 LICENSE -rw-r--r-- 1 3434 3434 3420 Mar 17 04:20 NOTICE -rwxr-xr-x 1 3434 3434 91044140 Mar 17 02:10 prometheus -rw-r--r-- 1 3434 3434 1043 Jun 7 17:07 prometheus.yml -rwxr-xr-x 1 3434 3434 80944687 Mar 17 02:12 promtool drwxr-xr-x 2 root root 22 Jun 7 14:43 rules [root@prometheus prometheus]# vim prometheus.yml [root@prometheus prometheus]# cat prometheus.yml # my global config global: scrape_interval: 15s # Set the scrape interval to every 15 seconds. Default is every 1 minute. evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute. # scrape_timeout is set to the global default (10s). # Alertmanager configuration alerting: alertmanagers: - static_configs: - targets: - 127.0.0.1:9093 # Load rules once and periodically evaluate them according to the global 'evaluation_interval'. rule_files: - "rules/*.yml" # - "second_rules.yml" # 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' # metrics_path defaults to '/metrics' # scheme defaults to 'http'. static_configs: - targets: ['127.0.0.1:9090'] - job_name: 'linux server' static_configs: - targets: ['121.4.78.187:9100'] labels: prod: 'web1' - job_name: 'docker server' static_configs: - targets: ['121.4.63.211:8080'] labels: prod: 'web2' -
重新載入prometheus服務
[root@prometheus prometheus]# /bin/systemctl restart prometheus [root@prometheus prometheus]# /bin/systemctl status prometheus ● prometheus.service - prometheus Loaded: loaded (/usr/lib/systemd/system/prometheus.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2021-06-07 22:53:36 CST; 4s ago Main PID: 14647 (prometheus) CGroup: /system.slice/prometheus.service └─14647 /opt/monitor/prometheus/prometheus --config.file=/opt/monitor/prometheus/prometheus.yml Jun 07 22:53:36 prometheus prometheus[14647]: level=info ts=2021-06-07T14:53:36.914Z caller=head.go:740 component=tsdb msg="WAL segment loaded" segment=1...egment=19 Jun 07 22:53:36 prometheus prometheus[14647]: level=info ts=2021-06-07T14:53:36.958Z caller=head.go:740 component=tsdb msg="WAL segment loaded" segment=1...egment=19 Jun 07 22:53:36 prometheus prometheus[14647]: level=info ts=2021-06-07T14:53:36.990Z caller=head.go:740 component=tsdb msg="WAL segment loaded" segment=1...egment=19 Jun 07 22:53:36 prometheus prometheus[14647]: level=info ts=2021-06-07T14:53:36.990Z caller=head.go:740 component=tsdb msg="WAL segment loaded" segment=1...egment=19 Jun 07 22:53:36 prometheus prometheus[14647]: level=info ts=2021-06-07T14:53:36.990Z caller=head.go:745 component=tsdb msg="WAL replay completed" checkpo....353439ms Jun 07 22:53:36 prometheus prometheus[14647]: level=info ts=2021-06-07T14:53:36.993Z caller=main.go:799 fs_type=XFS_SUPER_MAGIC Jun 07 22:53:36 prometheus prometheus[14647]: level=info ts=2021-06-07T14:53:36.993Z caller=main.go:802 msg="TSDB started" Jun 07 22:53:36 prometheus prometheus[14647]: level=info ts=2021-06-07T14:53:36.993Z caller=main.go:928 msg="Loading configuration file" filename=/opt/mo...theus.yml Jun 07 22:53:36 prometheus prometheus[14647]: level=info ts=2021-06-07T14:53:36.996Z caller=main.go:959 msg="Completed loading of configuration file" filename=/op…µs Jun 07 22:53:36 prometheus prometheus[14647]: level=info ts=2021-06-07T14:53:36.996Z caller=main.go:751 msg="Server is ready to receive web requests." Hint: Some lines were ellipsized, use -l to show in full. -
瀏覽器驗證prometheus配置檔案是否生成
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使用grafana進行監控docker服務資料展示
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匯入監控docker的儀表盤，ID為193
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填寫名稱，選擇資料來源
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發現已有監控資料了
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監控docker服務新增一個導航欄
點選save dashboard儲存
發現有了導航點選資料沒有變化
我們需要修改圖表資訊
每張圖片新增如上資訊
發現修改之後，就有了變化了
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