Alertmanager issue while start

[Faraz Ahmed]

Hello, 

I am having issues installing and starting alert manager and I am new on it, Can anyone guide me steps by steps with alertmanager.yml configuration too send email alert for server down and instance down. 


./alertmanager --config.file=alertmanager.yml
level=info ts=2022-02-09T21:11:51.369Z caller=main.go:221 msg="Starting Alertmanager" version="(version=0.22.2, branch=HEAD, revision=44f8adc06af5101ad64bd8b9c8b18273f2922051)"
level=info ts=2022-02-09T21:11:51.369Z caller=main.go:222 build_context="(go=go1.16.4, user=root@b595c7f32520, date=20210602-07:50:37)"
level=warn ts=2022-02-09T21:11:51.373Z caller=cluster.go:177 component=cluster err="couldn't deduce an advertise address: no private IP found, explicit advertise addr not provided"
level=error ts=2022-02-09T21:11:51.377Z caller=main.go:246 msg="unable to initialize gossip mesh" err="create memberlist: Failed to get final advertise address: No private IP address found, and explicit IP not provided"


sudo systemctl status alertmanager.service
● alertmanager.service - Prometheus Alertmanager
   Loaded: loaded (/etc/systemd/system/alertmanager.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Wed 2022-02-09 15:12:58 CST; 14s ago
  Process: 1840 ExecStart=/usr/local/bin/alertmanager --config.file /etc/alertmanager/alertmanager.yml --storage.path /var/lib/alertmanager/ --web.external-url http://localhost:9093 (code=exited, status=1/FAILURE)
 Main PID: 1840 (code=exited, status=1/FAILURE)

Feb 09 15:12:58 vmi553216.contaboserver.net systemd[1]: Started Prometheus Alertmanager.
Feb 09 15:12:58 vmi553216.contaboserver.net alertmanager[1840]: level=info ts=2022-02-09T21:12:58.405Z caller=main.go:221 msg="Starting ...051)"
Feb 09 15:12:58 vmi553216.contaboserver.net alertmanager[1840]: level=info ts=2022-02-09T21:12:58.405Z caller=main.go:222 build_context=...:37)"
Feb 09 15:12:58 vmi553216.contaboserver.net alertmanager[1840]: level=warn ts=2022-02-09T21:12:58.406Z caller=cluster.go:177 component=c...ided"
Feb 09 15:12:58 vmi553216.contaboserver.net systemd[1]: alertmanager.service: main process exited, code=exited, status=1/FAILURE
Feb 09 15:12:58 vmi553216.contaboserver.net systemd[1]: Unit alertmanager.service entered failed state.
Feb 09 15:12:58 vmi553216.contaboserver.net systemd[1]: alertmanager.service failed.
Hint: Some lines were ellipsized, use -l to show in full.

 uname -r
3.10.0-1160.el7.x86_64

i am using centOS 7 

Regards

Faraz 

[Brian Candler]

You have an error in your config, but you haven't shown your config.