Overview
Encountering image pull errors during a CircleCI upgrade can disrupt production workflows. This issue often arises due to misconfigured image pull secrets in the Helm values file, leading to errors such as ErrImagePull
ImagePullBackOff
FailedToRetrieveImagePullSecret
when running kubectl get pod -n circleci-server
.
Prerequisites
- Access to your Helm values file (
values.yaml
). - Administrative access to your CircleCI environment.
Solution
Run kubectl describe pod <pod_name_of_err_image_pull> -n circleci-server
command and look at the event logs and if you are seeing Unable to retrieve some image pull secrets (map[name:regcred])
please proceed to the following steps:
To resolve the image pull errors, follow these steps:
-
Remove Incorrect
regcred
Reference:- Open your
values.yaml
file. - Locate and remove any lines referencing the
- name: regcred
secret. This misconfiguration is causing the image pull failures. - Example lines to remove:
imagePullSecrets:
- name: regcred
- Open your
-
Simplify Your Helm Values Configuration:
- Ensure your Helm values are clear and concise to prevent future misconfigurations.
- Below is a suggested structure for your
values.yaml
: -
global:
domainName: "<full-domain-name-of-your-install>"
license: '<license>'
container:
registry: cciserver.azurecr.io
org: - Replace
<full-domain-name-of-your-install>
,<license>
, and<your-organization>
with your actual deployment details.
By removing the incorrect regcred
reference and simplifying your Helm values configuration, you can prevent similar issues in future upgrades.
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