Email on alert

Elastic Stack Logstash
1

I am using logstash 5.3.I am taking records from oracle database as a cron job.

I need to send a email to sort problem which arises when logstash is loading data or elasticsearch server is down
Can someone help me with this?

2

One avenue to explore could be to configure Logstash to have an output that send heartbeats to a heartbeat monitoring tool like Lovebeat. If the Logstash pipeline is clogged (e.g. because of ES problems) the heartbeats won't be sent either and you'll get an alert.

3

thanks @magnusbaeck

this is my config
input
{
heartbeat {
interval => 10
type => "heartbeat"
}
}
output {
#stdout { codec => json_lines }
if [type] == "heartbeat" {
email
{
from => 'abc@gmail.com'
to => 'abc@gmail.com'
port => 25
domain => 'mail.logstash.net'
}
}
elasticsearch {
index => "time3"
document_type => "time3"
hosts => "localhost"
}
}

but i get the following error
19:47:23.914 [[main]>worker0] ERROR logstash.outputs.email - Something happen wh
ile delivering an email {:exception=>#<Errno::ECONNREFUSED: Connection refused -
Connection refused>}

Can you help me with this

4

domain => 'mail.logstash.net'

This is bogus, remove it. The documentation of the domain is really bad so I can't blame you; I'll send a PR to improve it.

You have configured the email output to connect to localhost:25. It seems you don't have an SMTP server running at that location. Either make sure you are or reconfigure Logstash to connect to a working SMTP server.

5

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