alertsfilteredbbynamespace

[Bohr Zhong]

Anyone knows how to configure alermanager routing to filter the alerts from different namespace into different targets?

something like:

   match:
         namespace: teamA

   receiver: teamA-pagerduty
        continue: true

But namespace is not part of alert labels. Alerts are created from kube-state-metrics but we would like to group the alerts based on the namespace. and route to a different pager duty endpoint.

[Julius Volz]

Hi Bohr,

Alertmanager can only group and route on labels that are part of the alert labels. It has no other concept of "namespaces" or such, it just knows about arbitrary labels that are attached to the incoming alerts. So you will need to ensure on the Prometheus side that your alerting rules preserve the "namespace" label everywhere if you want to route alerts based on it in Alertmanager. In general it's a good practice to not aggregate away any labels in alerting rules that you don't want to explicitly get rid of, so that you still have that information in Alertmanager.

Regards,

Julius

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Julius Volz

PromLabs - promlabs.com