[🐛 Bug]: selenium-grid-selenium-patch-scaledobjects-deletion pod fails to start and hangs in 'Pending' status because of the issue with pulling of "bitnami/kubectl:latest" image

[vlistratenko]

What happened?

Helm charts fails to successfully complete installation because selenium-grid-selenium-patch-scaledobjects-deletion pod never starts up if autoscaling with KEDA is enabled.

Command used to start Selenium Grid with Docker (or Kubernetes)

1. Start minikube
2. Create a namespace: 'kubectl create namespace selenium-grid'
3. Install helm chart: 'helm install selenium-grid docker-selenium/selenium-grid  --version 0.46.0   -n selenium-grid --set isolateComponents=true --set autoscaling.enabled=true'
4. Verify if installation completes successfully

Actual:
* installation never completes because of the following pod which fails to pull the image

Relevant log output

vitalii@localhost:~$ kubectl get events -n selenium-grid --field-selector involvedObject.name=selenium-grid-selenium-patch-scaledobjects-deletion-sztsg --sort-by='.metadata.creationTimestamp'
LAST SEEN   TYPE      REASON             OBJECT                                                          MESSAGE
5m57s       Normal    Scheduled          pod/selenium-grid-selenium-patch-scaledobjects-deletion-sztsg   Successfully assigned selenium-grid/selenium-grid-selenium-patch-scaledobjects-deletion-sztsg to minikube
60s         Normal    Pulling            pod/selenium-grid-selenium-patch-scaledobjects-deletion-sztsg   Pulling image "bitnami/kubectl:latest"
59s         Warning   Failed             pod/selenium-grid-selenium-patch-scaledobjects-deletion-sztsg   Failed to pull image "bitnami/kubectl:latest": Error response from daemon: manifest for bitnami/kubectl:latest not found: manifest unknown: manifest unknown
59s         Warning   Failed             pod/selenium-grid-selenium-patch-scaledobjects-deletion-sztsg   Error: ErrImagePull
72s         Normal    BackOff            pod/selenium-grid-selenium-patch-scaledobjects-deletion-sztsg   Back-off pulling image "bitnami/kubectl:latest"
72s         Warning   Failed             pod/selenium-grid-selenium-patch-scaledobjects-deletion-sztsg   Error: ImagePullBackOff
56s         Normal    DeadlineExceeded   pod/selenium-grid-selenium-patch-scaledobjects-deletion-sztsg   Pod was active on the node longer than the specified deadline

Operating System

minikube intsalled on Ubuntu 22.04.5 LTS (Jammy Jellyfish)

Docker Selenium version (image tag)

4.35.0-20250808

Selenium Grid chart version (chart version)

0.46.0

[github-actions]

@vlistratenko, thank you for creating this issue. We will troubleshoot it as soon as we can.

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Thank you!

[VietND96]

It is due to the Bitnami being updated recently, https://hub.docker.com/r/bitnami/kubectl
We are transforming to use an in-house image built. It will be rolled out soon.

[VietND96]

@vlistratenko, FYI, in the meantime, you can workaround by setting another image to this key
global.seleniumGrid.kubectlImage registry.suse.com/suse/kubectl:latest

[VietND96]

Option 2 is change to registry bitnamilegacy

[VietND96]

In helm chart values, we updated default value point to legacy registry.
For long term we will find alternative for these dependencies