k8sobjects receiver fails when some unrelated Kubernetes API is down

[povilasv]

Component(s)

receiver/k8sobjects

What happened?

Description

When unrelated Kubernetes API is down K8s Discovery client.ServerPreferredResources() will return a partial result and an error, we should ignore the error if it's unrelated.

Error: invalid configuration: receivers::k8sobjects: unable to retrieve the complete list of server APIs: metrics.k8s.io/v1beta1: the server is currently unable to handle the request

Steps to Reproduce

Install metrics-server and delete deployment, launch k8sobjectreceiver to collect events.

Expected Result

no crashes

Actual Result

crashes with the error

Error: invalid configuration: receivers::k8sobjects: unable to retrieve the complete list of server APIs: metrics.k8s.io/v1beta1: the server is currently unable to handle the request

Collector version

v0.90.1

Environment information

Environment

OS: (e.g., "Ubuntu 20.04")
Compiler(if manually compiled): (e.g., "go 14.2")

OpenTelemetry Collector configuration

k8sobjects:
        objects:
        - exclude_watch_type:
          - DELETED
          group: events.k8s.io
          mode: watch
          name: events

Log output

Error: invalid configuration: receivers::k8sobjects: unable to retrieve the complete list of server APIs: metrics.k8s.io/v1beta1: the server is currently unable to handle the request

Additional context

No response

[github-actions]

Pinging code owners:

• receiver/k8sobjects: @dmitryax @hvaghani221 @TylerHelmuth

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[github-actions]

This issue has been inactive for 60 days. It will be closed in 60 days if there is no activity. To ping code owners by adding a component label, see Adding Labels via Comments, or if you are unsure of which component this issue relates to, please ping @open-telemetry/collector-contrib-triagers. If this issue is still relevant, please ping the code owners or leave a comment explaining why it is still relevant. Otherwise, please close it.

Pinging code owners:

• receiver/k8sobjects: @dmitryax @hvaghani221 @TylerHelmuth

See Adding Labels via Comments if you do not have permissions to add labels yourself.