二进制安装Prometheus
服务器列表:
服务器名称 | 操作系统 | IP地址 | 服务 |
---|---|---|---|
test03 | Ubuntu 16.04.4 | 192.168.1.58 | Prometheus, Alertmanager,grafana |
test02 | Ubuntu 16.04.4 | 192.168.1.57 | Node_exporter |
1、安装prometheus
- Prometheus官网下载地址:https://prometheus.io/download/
- 下载prometheus
[email protected]:~# wget https://github.com/prometheus/prometheus/releases/download/v2.11.0/prometheus-2.11.0.linux-amd64.tar.gz
- 解压prometheus
[email protected]:~# tar xf prometheus-2.11.0.linux-amd64.tar.gz
- 移动到/usr/local/prometheus目录
[email protected]:~# mv prometheus-2.11.0.linux-amd64 /usr/local/prometheus
- 设置prometheus后台服务启动
[email protected]:~# cat /lib/systemd/system/prometheus.service
[Unit]
Description=https://prometheus.io
[Service]
ExecStart=/usr/local/prometheus/prometheus --config.file="/usr/local/prometheus/prometheus.yml"
[Install]
WantedBy=multi-user.target
- 创建prometheus服务
[email protected]:~# systemctl enable prometheus.service Created symlink from /etc/systemd/system/multi-user.target.wants/prometheus.service to /lib/systemd/system/prometheus.service.
- 启动prometheus服务
[email protected]:~# systemctl start prometheus.service
- 查看promethues服务状态
[email protected]:~# systemctl status prometheus.service ● prometheus.service - https://prometheus.io Loaded: loaded (/lib/systemd/system/prometheus.service; enabled; vendor preset: enabled) Active: active (running) since Wed 2019-07-10 11:10:45 CST; 4s ago Main PID: 818 (prometheus) ......
- 访问:http://192.168.1.58:9090
2、安装Grafana
- docker 安装
[email protected]:~# docker run -d -p 3000:3000 grafana/grafana [email protected]:~# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES a6ff7bd88b42 grafana/grafana "/run.sh" 43 seconds ago Up 41 seconds 0.0.0.0:3000->3000/tcp peaceful_brattain
- 访问:http://192.168.1.58:3000
登录gafana界面:
默认账号是:admin
默认密码是:admin
第一次登录后,提示重新设置密码 - 添加数据源
- 输入Prometheus地址
3、监控Linux服务器
- 安装node_exporter并启动
[email protected]:~# wget https://github.com/prometheus/node_exporter/releases/download/v0.18.1/node_exporter-0.18.1.linux-amd64.tar.gz
[email protected]:~# tar xf node_exporter-0.18.1.linux-amd64.tar.gz
[email protected]:~# mv node_exporter-0.18.1.linux-amd64 /usr/local/node_exporter
[email protected]:~# cd /usr/local/node_exporter
[email protected]:/usr/local/node_exporter# cat /lib/systemd/system/node_exporter.service
[Unit]
Description=https://prometheus.io/docs/guides/node-exporter/
[Service]
ExecStart=/usr/local/node_exporter/node_exporter
[Install]
WantedBy=multi-user.target
[email protected]:/usr/local/node_exporter# systemctl enable node_exporter.service
Created symlink from /etc/systemd/system/multi-user.target.wants/node_exporter.service to /lib/systemd/system/node_exporter.service.
[email protected]:/usr/local/node_exporter# systemctl start node_exporter.service
[email protected]:/usr/local/node_exporter# systemctl status node_exporter.service
● node_exporter.service - https://prometheus.io/docs/guides/node-exporter/
Loaded: loaded (/lib/systemd/system/node_exporter.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2019-07-10 14:23:35 CST; 5s ago
Main PID: 774 (node_exporter)
CGroup: /system.slice/node_exporter.service
└─774 /usr/local/node_exporter/node_exporter
cat /usr/local/prometheus/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:
# - 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: [‘localhost:9090‘]
- job_name: ‘host‘
file_sd_configs:
- files: [‘/usr/local/prometheus/sd_config/host.yml‘]
refresh_interval: 5s
- 创建host.yaml文件
[email protected]:/usr/local/prometheus/sd_config# cat /usr/local/prometheus/sd_config/host.yml
- targets:
- 192.168.1.57:9100
- 重载配置文件
prometheus_id=`ps -ef |grep prometheus.yml|grep -v grep|awk ‘{print $2}‘` kill -hup $prometheus_id
- 查看Targets host,host组,已存在192.168.1.57被监控端
- grafana导入linux基础监控模:9276
- 输入9276后,等待几秒自动加载模板
- 查看主机资源展示
4、安装Alertmanager
- 下载Alertmanager
[email protected]:~# wget https://github.com/prometheus/alertmanager/releases/download/v0.18.0/alertmanager-0.18.0.linux-amd64.tar.gz
- 解压alertmanager-0.18.0.linux-amd64.tar.gz 并移动到/usr/local/alertmanager
[email protected]:~# tar xf alertmanager-0.18.0.linux-amd64.tar.gz [email protected]:~# mv alertmanager-0.18.0.linux-amd64 /usr/local/alertmanager
- 配置alertmanager后台启动
[email protected]:~# cd /usr/local/alertmanager
[email protected]:/usr/local/alertmanager# cat /lib/systemd/system/alertmanager.service
[Unit]
Description=https://prometheus.io/docs/prometheus/latest/configuration/alerting_rules/
[Service]
ExecStart=/usr/local/alertmanager/alertmanager --config.file=/usr/local/alertmanager/alertmanager.yml
[Install]
WantedBy=multi-user.target
- 配置邮件告警
[email protected]:/usr/local/alertmanager# cat /usr/local/alertmanager/alertmanager.yml
global:
resolve_timeout: 5m
smtp_smarthost: ‘smtp.163.com:25‘
smtp_from: ‘[email protected]‘
smtp_auth_username: ‘[email protected]‘
smtp_auth_password: ‘xxxxxx‘
smtp_require_tls: false
route:
group_by: [‘alertname‘]
group_wait: 10s
group_interval: 10s
repeat_interval: 1m
receiver: ‘mail‘
receivers:
- name: ‘mail‘
email_configs:
- to: ‘[email protected]‘
- 启动alertmanager
[email protected]:/usr/local/alertmanager# systemctl enable alertmanager.service
Created symlink from /etc/systemd/system/multi-user.target.wants/alertmanager.service to /lib/systemd/system/alertmanager.service.
[email protected]:/usr/local/alertmanager# systemctl start alertmanager.service
[email protected]:/usr/local/alertmanager# systemctl status alertmanager.service
● alertmanager.service - https://prometheus.io/docs/prometheus/latest/configuration/alerting_rules/
Loaded: loaded (/lib/systemd/system/alertmanager.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2019-07-10 16:28:20 CST; 2min 15s ago
Main PID: 19847 (alertmanager)
Tasks: 9
Memory: 9.0M
CPU: 290ms
CGroup: /system.slice/alertmanager.service
└─19847 /usr/local/alertmanager/alertmanager --config.file=/usr/local/alertmanager/alertmanager.yml
- 配置告警信息
# 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"
[email protected]:/usr/local/prometheus/rules# cat /usr/local/prometheus/rules/targets.yml
groups:
- name: targets
rules:
# Alert for any instance that is unreachable for >5 minutes.
- alert: InstanceDown
expr: up == 0
for: 1m
labels:
severity: error
annotations:
summary: "Instance {{ $labels.instance }} down"
description: "{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 1 minutes."
- 重载Prometheus服务文件,根据Prometheus进程号818发送信号
prometheus_id=`ps -ef |grep prometheus.yml|grep -v grep|awk ‘{print $2}‘` kill -hup $prometheus_id
- 查看告警规则
- 查看告警状态,(active)表示:活动
- 测试节点停止
[email protected]:~# systemctl stop node_exporter.service
- Pending:已触发阈值,但未满足告警持续时间
- Firing:已触发阈值且满足告警持续时间。警报发送给接收者。
* - 收到告警邮件
原文地址:https://blog.51cto.com/jiay1/2422888
时间: 2024-11-08 19:07:43