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This page describes what to do in case of an Icinga alert. For more information you could search the govuk-puppet repo for the source of the alert

Icinga alerts

Jenkins agent not connected to master

If the Jenkins agent is not connect to the master you can have a look at the Jenkins Nodes UI and see if it’s possible to diagnose and solve the problem from there.

If there doesn’t seem to be way to solve the problem it may be necessary to restart either the agent or master process:

$ ssh ci-agent-<n>.ci
$ sudo service jenkins-agent restart
$ ssh
$ sudo service jenkins restart

Caution that restarting the master process will cause all CI jobs to be temporarily suspended and all agents will need to reconnect.

This page was last reviewed on 21 October 2019. It needs to be reviewed again on 21 April 2020 by the page owner #govuk-2ndline .
This page was set to be reviewed before 21 April 2020 by the page owner #govuk-2ndline. This might mean the content is out of date.