prometheus报警--------通过slack发送报警内容

prometheus报警——–通过slack发送报警内容

1.注册slack账号

打开slack官网

2.邮箱注册

3.到邮箱去填验证码

4.填自己的名字

5.设置密码

6.填写相关信息

7.填公司名称

8.自定义url

9下一步,可以跳过

10.创建频道

11安装一个应用 incomming webhooks

写报警规则

cd /promethues  //进入到prometheus目录下
cp prometheus.yml{,.bak}   //先备份配置文件

1. vim prometheus.yaml

# 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).# Attach these labels to any time series or alerts when communicating with# external systems (federation, remote storage, Alertmanager).external_labels:monitor: 'codelab-monitor'# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:- "/root/prometheus/prometheus/example.rules"     //这里填写prometheus报警规则文件路径# - "second.rules"# 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=` 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: 'container'         //增加一个实例static_configs:- targets: ['localhost:8080']   //目前url- job_name: 'node'   //增加一个node_exporterstatic_configs:- targets: ['192.168.200.139:9100']   //node_exporter的目标url

1. vim /root/prometheus/prometheus/example.rules

   ALERT InstanceDown   # alert 名字IF up == 0           # 判断条件FOR 15s             # 条件保持 15s 才会发出 alertLABELS { severity = "critical" }  # 设置 alert 的标签ANNOTATIONS {             # alert 的其他标签，但不用于标识 alertsummary = "服务器运行状态",description = "服务器已经宕机超过15s.",username= "haojietion",link="xxxx"  #这个link会在报警中体现 ,点击会调到报警的内容}
   

配置alertmanager

cd alertmanager   //进入alertmanager目录下
cp alertmanager.yml{,.bak}   //备份配置文件

1. vim alertmanager.yml

   global:resolve_timeout: 5m
   route:receiver: 'default-receiver'group_wait: 30sgroup_interval: 1mrepeat_interval: 1mgroup_by: ['alertname']routes:- match:severity: criticalreceiver: my-slack     #填好自定义的路由receivers:
   - name: 'my-slack'slack_configs:- send_resolved: trueapi_url: https://hooks.slack.com/services/xxxx   #这里填你安装webhook app应该的时候给的urlchannel: '#test'   #要发往那个频道text: "{{ range .Alerts }} {{ .Annotations.description}}\n {{end}} @{{ .CommonAnnotations.username}} <{{.CommonAnnotations.link}}| click here>"title: "{{.CommonAnnotations.summary}}"title_link: "{{.CommonAnnotations.link}}" - name: 'default-receiver'slack_configs:- send_resolved: trueapi_url: https://hooks.slack.com/services/xxxxchannel: '#test'text: "{{ .CommonAnnotations.description }} \n {{end}} {{ .CommonAnnotations.username}}"
   

2. 启动应用

   cd prometheus#启动prometheus./prometheus -alertmanager.url=http://192.168.200.139:9100         //这里填安装alertmanager的机器,让 Prometheus 服务与 Alertmanager 进行通信 现在是安装在本机,所以填本机的ip地址,url的格式要齐全 带上http://  要不然会报错#之后启动alertmanagercd alertmanager
   ./alertmanager --config.file="alertmanager.yml   //可以指定要用的配置文件#之后启动监控自身状态的node_exportercd node_exporter
   ./node_exporter

4.最后报警效果如下

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