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Prometheus+Grafana部署监控docker服务

运维开发网 https://www.qedev.com 2020-05-25 16:41 出处:网络 作者:运维开发网整理
1.环境 192.168.244.128 Prometheus 监控服务器 192.168.244.129 docker 服务(被监控端) 注:都是centos7.5系统 2.下载安装包 https://prometheus.io/download/ (需要的安装包都可以下载) wget https://github.com/prometheus/prometheus/releases/downl
1.环境

192.168.244.128 Prometheus 监控服务器

192.168.244.129 docker 服务(被监控端)

注:都是centos7.5系统

2.下载安装包

https://prometheus.io/download/ (需要的安装包都可以下载)

wget https://github.com/prometheus/prometheus/releases/download/v2.3.2/prometheus-2.3.2.Linux-amd64.tar.gz

服务端(监控server)

3.安装prometheus

部署到/usr/local/目录

promethus不用编译安装,解压目录中有配置文件与启动文件

tar -zxvf prometheus-2.3.2.Linux-amd64.tar.gz -C /usr/local/

cd /usr/local/ && mv prometheus-2.3.2.Linux-amd64/ prometheus

验证

[[email protected] local]# cd prometheus/

[[email protected] prometheus]# ./prometheus --version

prometheus, version 2.3.2 (branch: HEAD, revision: 71af5e29e815795e9dd14742ee7725682fa14b7b)

build user: [email protected]

build date: 20180712-14:02:52

go version: go1.10.3

备份配置文件并配置

cp prometheus.yml prometheus.yml-bak

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:

      - alertmanager:9093

Load rules once and periodically evaluate them according to the global ‘evaluation_interval‘.

rule_files:

- "first_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: [‘192.168.244.128:9090‘,‘192.168.244.129:8080‘]

添加需要监控的服务器IP和端口

启动(后台启动)

./prometheus --config.file=prometheus.yml &

然后我们可以访问 :9090,验证Prometheus是否已安装成功,web显示应该如下" rel="nofollow" target="_blank">http://<服务器IP地址>:9090,验证Prometheus是否已安装成功,web显示应该如下

Prometheus+Grafana部署监控docker服务

通过点击下拉栏选取指标,点击”Excute” 我们能够看到Prometheus的性能指标。

点击”status”可以查看相关状态。

4.node_exporter安装

wget https://github.com/prometheus/node_exporter/releases/download/v0.16.0/node_exporter-0.16.0.Linux-amd64.tar.gz

解压并安装

tar xf node_exporter-0.16.0.Linux-amd64.tar.gz C /usr/local/

cd /usr/local/ && mv mv node_exporter-0.16.0 node_exporter

cd node_exporter/ && ./node_exporter &

返回一大堆指标

5.grafana安装

wget https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-5.2.3-1.x86_64.rpm

sudo yum localinstall grafana-5.2.3-1.x86_64.rpm

服务端图像呈现组件安装

yum install fontconfig freetype* urw-fonts -y

开启系统默认启动

systemctl enable grafana-server

启动服务

systemctl start grafana-server

查看服务是否正常启动

systemctl status grafana-server

[[email protected] ~]# systemctl status grafana-server

● grafana-server.service - Grafana instance

Loaded: loaded (/usr/lib/systemd/system/grafana-server.service; enabled; vendor preset: disabled)

Active: active (running) since 四 2018-08-30 16:18:55 CST; 3h 23min ago

Docs: http://docs.grafana.org

Main PID: 10535 (grafana-server)

CGroup: /system.slice/grafana-server.service

└─10535 /usr/sbin/grafana-server --config=/etc/grafana/grafana.ini --pidfile=/var/run/grafana/grafana-server.pid ...

访问grafana, :3000" rel="nofollow" target="_blank">http://<服务器IP>:3000

默认用户名密码:admin/admin

Prometheus+Grafana部署监控docker服务

客户端(被监控)

6.安装cAdvisor 来收集容器信息 所有节点运行以下命令来安装cAdvisor

docker run \

--volume=/:/rootfs:ro \

--volume=/var/run:/var/run:rw \

--volume=/sys:/sys:ro \

--volume=/var/lib/docker/:/var/lib/docker:ro \

--publish=8080:8080 \

--detach=true \

--name=cadvisor \

--net=host \

-v "/etc/localtime:/etc/localtime" \

google/cadvisor:latest

为grafana添加Prometheus数据源

Prometheus+Grafana部署监控docker服务

导入监控模板

https://grafana.com/dashboards?search=docker 多种docker 监控模板

Prometheus+Grafana部署监控docker服务

Prometheus+Grafana部署监控docker服务

添加钉钉报警

Prometheus+Grafana部署监控docker服务

测试

Prometheus+Grafana部署监控docker服务

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