elastalert邮件报警

Posted 2020-10-16 差点点温柔

流程:

elastalert读取指定elasticsearch索引,根据规则匹配,如果匹配到就发邮件报警

安装elastalert

python必须得2.7以上

$ cd /alidata1

$ git clone https://github.com/Yelp/elastalert.git

$ sudo python setup.py install

$ sudo pip install -r requirements.txt

设置elastalert索引

$ elastalert-create-index
New index name (Default elastalert_status)
Name of existing index to copy (Default None)
New index elastalert_status created
Done!

设置配置文件

cp /alidata1/elastalert/config.yaml.example  /alidata1/elastalert/config.yaml
vim    /alidata1/elastalert/config.yaml

rules_folder: example_rules
run_every:
  minutes: 1
buffer_time:
  minutes: 15
es_host: 127.0.0.1
es_port: 9200
writeback_index: elastalert_status
alert_time_limit:
  days: 2

设置规则

[[email protected] elastalert]# cat example_rules/api3_err_rule.yaml | grep -v "#"| grep -v "^;"|grep -v "^$"
name: api3_error
type: frequency
index: api3_error*  #监控这个索引
num_events: 3       #限定时间内,发生时间次数
timeframe:          #下定时间 ,跟上边的合起来就是一分钟有三个错误日志写进es的话,就发送邮件
  minutes: 1
filter:             
  - regexp:         #以正则方式匹配,".*"就是一有日志写进es就算
      message: ".*"
smtp_host: smtp.163.com
smtp_port: 25
smtp_auth_file: /alidata1/elastalert/smtp_auth_file.yaml  #这个文件里写发送邮件的账户密码
email_reply_to: [email protected]
from_addr: [email protected]
alert:
- "email"
email:
- "[email protected]"

smtp_auth_file.yaml

user: "[email protected]"
password: "123456"

启动elastalert

$ cd /alidata1
$ python -m elastalert.elastalert --config /alidata1/elastalert/config.yaml   --verbose --rule /alidata1/elastalert/example_rules/api3_err_rule.yaml

     INFO:elastalert:Queried rule api3_error from 2017-12-01 18:00 CST to 2017-12-01 18:02 CST: 4 / 4 hits
     INFO:elastalert:Sent email to [‘[email protected]‘]