change kubectl image from rancher/kubectl to bitnami/kubectl, because rancher is so lightweight, it does not come with cat preinstalled. This is however essential for Jenkins to run docker.inside, because it always uses cat to keep the container alive.

Author: lukma99

CHANGELOG.md

@@ -11,7 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Specify version for `helm template` and kubectl image through the `k8sVersion` parameter
 
 ### Changed
-- Changed kubectl image from `lachlanevenson/k8s-kubectl` to `rancher/kubectl`, because it is available for every k8s version out there
+- Changed kubectl image from `lachlanevenson/k8s-kubectl` to `bitnami/kubectl`, because it is available for every k8s version out there
 
 ### Fixed
 - Don't fail when no `values-shared.yaml` is provided

README.md

@@ -352,8 +352,8 @@ def gitopsConfig = [
     buildImages: [
         // These are used to run helm and kubectl commands in the core logic
         helm: 'ghcr.io/cloudogu/helm:3.11.1-2',
-        // if you specify k8sVersion parameter, then by default rancher/kubectl:v${k8sVersion} will be used
-        kubectl: 'rancher/kubectl:v1.24.8',
+        // if you specify k8sVersion parameter, then by default bitnami/kubectl:${k8sVersion} will be used
+        kubectl: 'bitnami/kubectl:1.24.8',
         // These are used for each specific validator via an imageRef property inside the validators config. See [Validators] for examples.
         kubeval: 'ghcr.io/cloudogu/helm:3.5.4-1',
         helmKubeval: 'ghcr.io/cloudogu/helm:3.5.4-1',

vars/deployViaGitops.groovy

@@ -37,7 +37,7 @@ Map createDefaultConfig(String k8sVersion) {
             ],
             kubectl: [
                 credentialsId: '',
-                image: "rancher/kubectl:v${k8sVersion}"
+                image: "bitnami/kubectl:${k8sVersion}"
             ],
             // We use the helm image (that also contains kubeval plugin) to speed up builds by allowing to reuse image
             kubeval: [