Flex IP Discovery on Kubernetes

[wildcardlinux]

Is your feature request related to a problem? Please describe.

Flex limitation on not being able to read the discovery environment variable. There's no hint of discovery being possible on the Flex source code.

Feature Description

Flex to work with auto ip discovery on Kubernetes

Describe Alternatives

https://discuss.newrelic.com/t/nri-flex-doesnt-work-with-discovery/184820

Additional context

https://discuss.newrelic.com/t/nri-flex-doesnt-work-with-discovery/184820

Priority

Really Want

[cristianciutea]

discovery it's a feature of the agent, it's not applied by the integrations.
The agent will read the integration configuration file and if the discovery configuration block is detected, will run the discovery mechanism and replace the tokens with the discovered variables.

[boogi]

@josemore is there possibility to run agent for discovery, and then start integration (e.g. nri-flex) to gather custom metrics on those discovered nodes?

[josemore]

Yes, that should be possible. Flex should behave as any other integration (though not listed here, we'll improve this). See: https://docs.newrelic.com/docs/kubernetes-pixie/kubernetes-integration/advanced-configuration/monitor-services/monitor-services-running-kubernetes and https://github.com/newrelic/nri-flex/blob/master/docs/basics/k8s_configure.md