Python编写告警信息，整合Alertmanager告警

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Alertmanager告警系统整合

流程

（1）监控端，可以使用Python 或者 shell 进行监控，把相关的json数据推送到Alertmanager

（2）Alertmanager端进行汇总，发送，后续可以静默，抑制等功能

（3）把告警的数据发送到prometheusalert，进行钉钉的发送

环境

软件

prometheusalert 告警系统：主要是数据的各个渠道发送

Alertmanager 告警处理：主要汇总数据，抑制，静默

思路

编写告警测试数据时，我们可以不用生成时间，仅生成相关的告警指标，时间程序会帮忙生成（待测试）

步骤

获取Alertmanager数据格式

方法，通过flask 编写接口，Alertmanager配置，告警时回把数据发送到此接口，进行展示查看

from flask import Flask, request
import jsonapp = Flask(__name__)@app.route("/send/", methods=["POST"])
def send():try:data = json.loads(request.data)print(data)alerts = data['alerts']for i in alerts:print('SEND SMS: ' + str(i))except Exception as e:print(e)return 'ok'if __name__ == '__main__':app.run(host='0.0.0.0', port=8082)

在Alertmanager配置

[root@prometheus-server alertmanager-0.24.0.linux-amd64]# cat alertmanager.yml
global:resolve_timeout: 5m
route:group_by: ['instance']group_wait: 30sgroup_interval: 10srepeat_interval: 10mreceiver: 'web.hook.prometheusalert'
receivers:
- name: 'web.hook.prometheusalert'webhook_configs:- url: http://192.168.96.19:8082/send/

产生prometheus的测试数据

关闭客户端，产生告警

告警数据

{'receiver': 'web\\.hook\\.prometheusalert','status': 'firing','alerts': [{'status': 'firing','labels': {'alertname': '主机存活状态警告！','cloud': '乘风-Dev环境','instance': '192.168.82.105:9100','job': 'node_exporter','severity': '非常严重','team': 'ops'},'annotations': {'description': '192.168.82.105:9100:服务器延时超过5分钟','summary': '192.168.82.105:9100:服务器宕机'},'startsAt': '2022-07-05T05:54:37.452Z','endsAt': '0001-01-01T00:00:00Z','generatorURL': 'http://prometheus-server.0101101300.fjf:9090/graph?g0.expr=up+%3D%3D+0&g0.tab=1','fingerprint': '4a890f7c225c3bef'}],'groupLabels': {'instance': '192.168.82.105:9100'},'commonLabels': {'alertname': '主机存活状态警告！','cloud': '乘风-Dev环境','instance': '192.168.82.105:9100','job': 'node_exporter','severity': '非常严重','team': 'ops'},'commonAnnotations': {'description': '192.168.82.105:9100:服务器延时超过5分钟','summary': '192.168.82.105:9100:服务器宕机'},'externalURL': 'http://prometheus-server.0101101300.fjf:9093','version': '4','groupKey': '{}:{instance="192.168.82.105:9100"}','truncatedAlerts': 0
}

有用的告警数据

{'status': 'firing','labels': {'alertname': '主机存活状态警告！','cloud': '乘风-Dev环境','instance': '192.168.82.105:9100','job': 'node_exporter','severity': '非常严重','team': 'ops'},'annotations': {'description': '192.168.82.105:9100:服务器延时超过5分钟','summary': '192.168.82.105:9100:服务器宕机'},'startsAt': '2022-07-05T05:54:37.452Z','endsAt': '0001-01-01T00:00:00Z','generatorURL': 'http://prometheus-server.0101101300.fjf:9090/graph?g0.expr=up+%3D%3D+0&g0.tab=1','fingerprint': '4a890f7c225c3bef'}

恢复数据

{'receiver': 'web\\.hook\\.prometheusalert','status': 'resolved','alerts': [{'status': 'resolved','labels': {'alertname': '主机存活状态警告！','cloud': '乘风-Dev环境','instance': '192.168.82.105:9100','job': 'node_exporter','severity': '非常严重','team': 'ops'},'annotations': {'description': '192.168.82.105:9100:服务器延时超过5分钟','summary': '192.168.82.105:9100:服务器宕机'},'startsAt': '2022-07-05T05:54:37.452Z','endsAt': '2022-07-05T05:56:52.452Z','generatorURL': 'http://prometheus-server.0101101300.fjf:9090/graph?g0.expr=up+%3D%3D+0&g0.tab=1','fingerprint': '4a890f7c225c3bef'}],'groupLabels': {'instance': '192.168.82.105:9100'},'commonLabels': {'alertname': '主机存活状态警告！','cloud': '乘风-Dev环境','instance': '192.168.82.105:9100','job': 'node_exporter','severity': '非常严重','team': 'ops'},'commonAnnotations': {'description': '192.168.82.105:9100:服务器延时超过5分钟','summary': '192.168.82.105:9100:服务器宕机'},'externalURL': 'http://prometheus-server.0101101300.fjf:9093','version': '4','groupKey': '{}:{instance="192.168.82.105:9100"}','truncatedAlerts': 0
}

有用的恢复数据

{'status': 'resolved','labels': {'alertname': '主机存活状态警告！','cloud': '乘风-Dev环境','instance': '192.168.82.105:9100','job': 'node_exporter','severity': '非常严重','team': 'ops'},'annotations': {'description': '192.168.82.105:9100:服务器延时超过5分钟','summary': '192.168.82.105:9100:服务器宕机'},'startsAt': '2022-07-05T05:54:37.452Z','endsAt': '2022-07-05T05:56:52.452Z','generatorURL': 'http://prometheus-server.0101101300.fjf:9090/graph?g0.expr=up+%3D%3D+0&g0.tab=1','fingerprint': '4a890f7c225c3bef'}

Python发送告警数据

发送告警信息

import json
import requestsnew_packinf = [{'status': 'firing','labels': {'alertname': '主机存活状态警告！','cloud': '乘风小贷-Dev环境','instance': '192.168.82.105:9100','job': 'node_exporter','severity': '非常严重','team': 'ops'},'annotations': {'description': '192.168.82.105:9100:服务器延时超过5分钟','summary': '192.168.82.105:9100:服务器宕机'},'startsAt': '2022-07-05T05:54:37.452Z','endsAt': '0001-01-01T00:00:00Z','generatorURL': 'http://prometheus-server.0101101300.fjf:9090/graph?g0.expr=up+%3D%3D+0&g0.tab=1','fingerprint': '4a890f7c225c3bef'}]
jsons = json.dumps(new_packinf)
url = "http://192.168.82.105:9093/api/v2/alerts"
headers = {'Content-Type': 'application/json'}
responses = requests.post(url=url, headers=headers, data=jsons)
print(responses.status_code, responses.url)
# print(responses.json())

发送恢复告警信息

import json
import requestsnew_packinf = [{'status': 'resolved','labels': {'alertname': '主机存活状态警告！','cloud': '乘风-Dev环境','instance': '192.168.82.105:9100','job': 'node_exporter','severity': '非常严重','team': 'ops'},'annotations': {'description': '192.168.82.105:9100:服务器延时超过5分钟','summary': '192.168.82.105:9100:服务器宕机'},'startsAt': '2022-07-05T05:54:37.452Z','endsAt': '2022-07-05T05:56:52.452Z','generatorURL': 'http://prometheus-server.0101101300.fjf:9090/graph?g0.expr=up+%3D%3D+0&g0.tab=1','fingerprint': '4a890f7c225c3bef'}]
jsons = json.dumps(new_packinf)
url = "http://192.168.82.105:9093/api/v2/alerts"
headers = {'Content-Type': 'application/json'}
responses = requests.post(url=url, headers=headers, data=jsons)
print(responses.status_code, responses.url)
# print(responses.json())

import json
import requests
import timeyear_time = time.strftime('%Y-%m-%d', time.localtime())
now_time = time.strftime('%H:%M:%S', time.localtime())
start_time = year_time + "T" + now_time + ".000+08:00"
is_end_time = False
if is_end_time:print("告警未解决")end_time = '0001-01-01T00:00:00Z'
else:print("告警已经解决")end_time = start_time
new_packinf = [{'labels': {'alertname': '主机存活状态警告！','cloud': '小贷-Dev环境','instance': '192.168.82.105:9100','job': 'node_exporter','severity': '非常严重','team': 'ops'},'annotations': {'description': '192.168.82.105:9100:服务器延时超过5分钟','summary': '192.168.82.105:9100:服务器宕机'},'endsAt': end_time,
}]
jsons = json.dumps(new_packinf)
url = "http://192.168.82.105:9093/api/v2/alerts"
headers = {'Content-Type': 'application/json'}
responses = requests.post(url=url, headers=headers, data=jsons)
print(responses.status_code, responses.url)
# print(responses.json())

钉钉告警模板

{{ $var := .externalURL}}{{ range $k,$v:=.alerts }}
{{if eq $v.status "resolved"}}
#### [Prometheus恢复信息]({{$v.generatorURL}})##### <font color="#02b340">告警名称</font>：[{{$v.labels.alertname}}]({{$var}})
##### <font color="#02b340">告警级别</font>：{{$v.labels.severity}}
##### <font color="#02b340">开始时间</font>：{{TimeFormat $v.startsAt "2006-01-02 15:04:05"}}
##### <font color="#02b340">结束时间</font>：{{TimeFormat $v.endsAt "2006-01-02 15:04:05"}} 
##### <font color="#02b340">实例地址</font>：{{$v.labels.instance}}
##### <font color="#02b340">主机名称</font>：{{$v.labels.hostname}}**{{$v.annotations.description}}**
{{else}}
#### [Prometheus告警信息]({{$v.generatorURL}})##### <font color="#FF0000">告警名称</font>：[{{$v.labels.alertname}}]({{$var}})
##### <font color="#FF0000">告警级别</font>：{{$v.labels.severity}}
##### <font color="#FF0000">开始时间</font>：{{ TimeFormat $v.startsAt "2006-01-02 15:04:05"}}
##### <font color="#FF0000">结束时间</font>：{{TimeFormat $v.endsAt "2006-01-02 15:04:05"}} 
##### <font color="#FF0000">实例地址</font>：{{$v.labels.instance}}
##### <font color="#FF0000">主机名称</font>：{{$v.labels.hostname}}**{{$v.annotations.description}}**
{{end}}
{{ end }}
{{ $urimsg:=""}}{{ range $key,$value:=.commonLabels }}{{$urimsg =  print $urimsg $key "%3D%22" $value "%22%2C" }}{{end}}[*** 点我屏蔽该告警]({{$var}}/#/silences/new?filter=%7B{{SplitString $urimsg 0 -3}}%7D)