feat: Make it possible to customize k8s resources

Currently there is no way for plugins to customize Kubernetes resources defined in Tutor deployment manifests. This change makes that possible by taking advantage of the strategic merge patching mechanism in `kustomization.yml`. Any resource definition in a `k8s-override` patch in a plugin will override the resource defined by Tutor, provided that their names match. Reference: overhangio#675
foadlind · Jun 7, 2022 · 851f9e9 · 851f9e9
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -17,6 +17,7 @@ Every user-facing change should have an entry in this changelog. Please respect
 -->
 
 ## Unreleased
+- [Improvement] Make it possible to override k8s resources in plugins using `k8s-override` patch. (by @foadlind)
 
 ## v13.3.1 (2022-06-06)
 

diff --git a/tutor/templates/k8s/override.yml b/tutor/templates/k8s/override.yml
@@ -0,0 +1 @@
+{{ patch("k8s-override") }}
diff --git a/tutor/templates/kustomization.yml b/tutor/templates/kustomization.yml
@@ -59,4 +59,8 @@ configMapGenerator:
         app.kubernetes.io/name: redis
 {{ patch("kustomization-configmapgenerator") }}
 
+patchesStrategicMerge:
+- k8s/override.yml
+{{ patch("kustomization-patches-strategic-merge") }}
+
 {{ patch("kustomization") }}