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The DevOps 2.2 Toolkit
book

The DevOps 2.2 Toolkit

by Viktor Farcic
March 2018
Intermediate to advanced content levelIntermediate to advanced
360 pages
7h 52m
English
Packt Publishing
Content preview from The DevOps 2.2 Toolkit

Scaling services automatically

With the alerts firing from Prometheus into Alertmanager, the only thing left to do is to send requests to Jenkins to scale the service. We already created a similar Alertmanager config in one of the previous chapters, so we'll comment only on a few minor differences. The configuration is injected into the alert-manager service as a Docker secret.

Since secrets are immutable, we cannot update the one that is currently used. Instead, we'll have to remove the stack and the secret and create them again.

docker stack rm monitor 
 
docker secret rm alert_manager_config 

Now we can create a new secret with the updated Alertmanager configuration.

echo "route: group_by: [service,scale] repeat_interval: 5m group_interval: ...
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Publisher Resources

ISBN: 9781788991278Supplemental Content