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Use AlertmanagerConfig resource instead of CSC ConfigMap #3539

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gdemonet opened this issue Sep 16, 2021 · 0 comments
Open
5 tasks

Use AlertmanagerConfig resource instead of CSC ConfigMap #3539

gdemonet opened this issue Sep 16, 2021 · 0 comments
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complexity:medium Something that requires one or few days to fix kind:enhancement New feature or request topic: cluster&service configuration Anything related to cluster and service configuration persistence topic:monitoring Everything related to monitoring of services in a running cluster

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@gdemonet
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gdemonet commented Sep 16, 2021 •
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Component: alertmanager, csc

Why this is needed: CSC is harder to use, since it isn't reactive and requires a Salt orchestration.

What should be done:

  • Remove alertmanager.useExistingSecret and .secrets keys from the kube-prometheus-stack chart configuration, and define an appropriate .alertmanagerSpec.alertmanagerConfigSelector and .alertmanagerConfigNamespaceSelector
  • Deploy a default AlertmanagerConfig object (with the same values as today in salt/metalk8s/addons/prometheus-operator/config/alertmanager.yaml)
  • Define migration on upgrade from previous CSC to this configuration object
  • Rewrite documentation section about Alertmanager configuration

Test plan:

  • Post-merge upgrade (and downgrade?) tests pass

See prometheus-operator/prometheus-operator#3451
@gdemonet gdemonet added kind:enhancement New feature or request complexity:medium Something that requires one or few days to fix topic:monitoring Everything related to monitoring of services in a running cluster topic: cluster&service configuration Anything related to cluster and service configuration persistence labels Sep 16, 2021
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complexity:medium Something that requires one or few days to fix kind:enhancement New feature or request topic: cluster&service configuration Anything related to cluster and service configuration persistence topic:monitoring Everything related to monitoring of services in a running cluster
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