Question

Unable to deploy to Digital Ocean Kubernetes using GitLab CI

I’m moving my review apps from Google Kubernetes to Digital Ocean Kubernetes.

I have succesfully linked the Kubernetes clusted to GitLab. I have installed Helm Tiller, Ingress, Cert-Manager, and Prometheus using the GitLab integration. I have upgraded Tiller to the latest version manually, as did I on the previous Google cluster.

The cluster is RBAC-enabled,GitLab-managed, configured to use the default namespace, and tied to the * wildcard environment scope.

Now my deployments are failing. job output

$ helm upgrade "$CI_ENVIRONMENT_SLUG" config/charts/appsemble-docs --atomic --install --set "git.commit.sha=$CI_COMMIT_SHA" --set "image.tag=$CI_COMMIT_REF_NAME"
Error: pods is forbidden: User "system:serviceaccount:default:default-service-account" cannot list resource "pods" in API group "" in the namespace "gitlab-managed-apps"

Manual deployments on my own laptop work fine.

What could be causing this issue?


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Accepted Answer

Hi there,

This looks like an RBAC permissions issue. The error you’re seeing is saying the service-account “default-service-account” in namespace “default” doesnt have access to pods in the ‘gitlab-managed-apps’ namespace.

You can fix this by either creating a role that allows this access then binding the sa to that role witha rolebinding:

See below for examples to achieve something similar:

This will create a role pod-reader that can get, list, and watch pods

kubectl create role pod-reader --verb=get,list,watch --resource=pods -n <namespace to read pods>

Then we will create the rolebinding to associate a serviceaccount to this role that can view pods.

kubectl create rolebinding sa-read-pods --role=pod-reader --user=system:serviceaccount:default:default-service-account -n rbac

Let me know if you have any further questions.

Regards,

John Kwiatkoski Senior Developer Support Engineer

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