feat(argo-workflows): add the ability to declare initContainers (#1923)

feat(argo-workflows): add the ability to declare initContainers to server and controller deployments

Signed-off-by: Justin Sievenpiper <justin@sievenpiper.co>

charts/argo-workflows/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: v3.4.6
 name: argo-workflows
 description: A Helm chart for Argo Workflows
 type: application
-version: 0.22.16
+version: 0.23.0
 icon: https://raw.githubusercontent.com/argoproj/argo-workflows/master/docs/assets/argo.png
 home: https://github.com/argoproj/argo-helm
 sources:
@@ -13,5 +13,5 @@ maintainers:
     url: https://argoproj.github.io/
 annotations:
   artifacthub.io/changes: |
-    - kind: changed
-      description: Upgrade Argo Workflows to v3.4.6.
+    - kind: added
+      description: Added the ability to deploy init containers alongside the controller and server deployments.

charts/argo-workflows/README.md

@@ -108,6 +108,7 @@ Fields to note:
 | controller.extraArgs | list | `[]` | Extra arguments to be added to the controller |
 | controller.extraContainers | list | `[]` | Extra containers to be added to the controller deployment |
 | controller.extraEnv | list | `[]` | Extra environment variables to provide to the controller container |
+| controller.extraInitContainers | list | `[]` | Enables init containers to be added to the controller deployment |
 | controller.image.registry | string | `"quay.io"` | Registry to use for the controller |
 | controller.image.repository | string | `"argoproj/workflow-controller"` | Registry to use for the controller |
 | controller.image.tag | string | `""` | Image tag for the workflow controller. Defaults to `.Values.images.tag`. |
@@ -215,6 +216,7 @@ Fields to note:
 | server.extraArgs | list | `[]` | Extra arguments to provide to the Argo server binary, such as for disabling authentication. |
 | server.extraContainers | list | `[]` | Extra containers to be added to the server deployment |
 | server.extraEnv | list | `[]` | Extra environment variables to provide to the argo-server container |
+| server.extraInitContainers | list | `[]` | Enables init containers to be added to the server deployment |
 | server.image.registry | string | `"quay.io"` | Registry to use for the server |
 | server.image.repository | string | `"argoproj/argocli"` | Repository to use for the server |
 | server.image.tag | string | `""` | Image tag for the Argo Workflows server. Defaults to `.Values.images.tag`. |

charts/argo-workflows/templates/controller/workflow-controller-deployment.yaml

@@ -32,6 +32,10 @@ spec:
       securityContext:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- with .Values.controller.extraInitContainers }}
+      initContainers:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       containers:
         - name: controller
           image: "{{- include "argo-workflows.image" (dict "context" . "image" .Values.controller.image) }}:{{ default (include "argo-workflows.defaultTag" .) .Values.controller.image.tag }}"

charts/argo-workflows/templates/server/server-deployment.yaml

@@ -33,6 +33,10 @@ spec:
       securityContext:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- with .Values.server.extraInitContainers }}
+      initContainers:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       containers:
         - name: argo-server
           image: "{{- include "argo-workflows.image" (dict "context" . "image" .Values.server.image) }}:{{ default (include "argo-workflows.defaultTag" .) .Values.server.image.tag }}"

charts/argo-workflows/values.yaml

@@ -295,6 +295,9 @@ controller:
   # -- Extra containers to be added to the controller deployment
   extraContainers: []
 
+  # -- Enables init containers to be added to the controller deployment
+  extraInitContainers: []
+
   # -- Workflow retention by number of workflows
   retentionPolicy: {}
   #  completed: 10
@@ -570,6 +573,9 @@ server:
   # -- Extra containers to be added to the server deployment
   extraContainers: []
 
+  # -- Enables init containers to be added to the server deployment
+  extraInitContainers: []
+
 # -- Array of extra K8s manifests to deploy
 extraObjects: []
   # - apiVersion: secrets-store.csi.x-k8s.io/v1