[kubernetes] missing namespace for configmap opentelemetry-demo-grafana-dashboards

[hsinhoyeh]

Bug Report

This issue occurred while running Kubernetes demo with manifests specified in the manifests

The Grafana pod under the namespace otel-demo is waiting for the configmaps opentelemetry-demo-grafana-dashboards to be ready, whereas that configmaps is under the namespace default.

Symptom

Grafana pod is not ready, showing a timeout

kubectl  -n otel-demo get pods
NAME                                                    READY   STATUS              RESTARTS   AGE
opentelemetry-demo-grafana-7bf686df5d-7wcpn             0/1     ContainerCreating   0          7m5s

kubectl  -n otel-demo describe pods opentelemetry-demo-grafana-7bf686df5d-7wcpn

  Warning  FailedMount  4m29s                 kubelet            Unable to attach or mount volumes: unmounted volumes=[dashboards-default], unattached volumes=[storage dashboards-default kube-api-access-lcgc5 config]: timed out waiting for the condition
  Warning  FailedMount  2m12s                 kubelet            Unable to attach or mount volumes: unmounted volumes=[dashboards-default], unattached volumes=[dashboards-default kube-api-access-lcgc5 config storage]: timed out waiting for the condition
  Warning  FailedMount  20s (x11 over 6m32s)  kubelet            MountVolume.SetUp failed for volume "dashboards-default" : configmap "opentelemetry-demo-grafana-dashboards" not found

What do you expect to see?

Grafana pod is ready

What did you see instead?

Grafana pod is in ContainerCreating status

Reproduce

run

kubectl apply -f https://raw.githubusercontent.com/open-telemetry/opentelemetry-demo/main/kubernetes/opentelemetry-demo.yaml

and see pods status with kubectl get pods -n otel-demo -w

Additional Context

no