feat(argo-workflows): Support images property to workflow-controller-configmap for emissary executor (#1708)

* feat(argo-workflows): Support images property to workflow-controller-configmap for emissary executor
Signed-off-by: yu-croco <yu.croco@gmail.com>

* chore(argo-workflows): adopt concise name
Signed-off-by: yu-croco <yu.croco@gmail.com>

charts/argo-workflows/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: v3.4.4
 name: argo-workflows
 description: A Helm chart for Argo Workflows
 type: application
-version: 0.22.1
+version: 0.22.2
 icon: https://raw.githubusercontent.com/argoproj/argo-workflows/master/docs/assets/argo.png
 home: https://github.com/argoproj/argo-helm
 sources:
@@ -13,5 +13,4 @@ maintainers:
     url: https://argoproj.github.io/
 annotations:
   artifacthub.io/changes: |
-    - "[Fixed]: avoid app.kubernetes.io/version kubernetes label from exceeding maximum length (63)
-    - "[Fixed]: generated value for app.kubernetes.io/version label is now valid even when defining a controller/server/executor.image.tag with a SHA digest"
+    - "[Added]: Support images property to workflow-controller-configmap for emissary executor"

charts/argo-workflows/README.md

@@ -45,6 +45,7 @@ Fields to note:
 | crds.install | bool | `true` | Install and upgrade CRDs |
 | crds.keep | bool | `true` | Keep CRDs on chart uninstall |
 | createAggregateRoles | bool | `true` | Create clusterroles that extend existing clusterroles to interact with argo-cd crds |
+| emissary.images | list | `[]` | The command/args for each image on workflow, needed when the command is not specified and the emissary executor is used. |
 | extraObjects | list | `[]` | Array of extra K8s manifests to deploy |
 | fullnameOverride | string | `nil` | String to fully override "argo-workflows.fullname" template |
 | images.pullPolicy | string | `"Always"` | imagePullPolicy to apply to all containers |

charts/argo-workflows/templates/controller/workflow-controller-config-map.yaml

@@ -170,3 +170,6 @@ data:
     {{- with .Values.controller.retentionPolicy }}
     retentionPolicy: {{- toYaml . | nindent 6 }}
     {{- end }}
+    {{- with .Values.emissary.images }}
+    images: {{- toYaml . | nindent 6 }}
+    {{- end }}

charts/argo-workflows/values.yaml

@@ -630,3 +630,12 @@ customArtifactRepository: {}
 #     passwordSecret:
 #       name: artifactory-creds
 #       key: password
+
+emissary:
+  # -- The command/args for each image on workflow, needed when the command is not specified and the emissary executor is used.
+  ## See more: https://argoproj.github.io/argo-workflows/workflow-executors/#emissary-emissary
+  images: []
+  #  argoproj/argosay:v2:
+  #    cmd: [/argosay]
+  #  docker/whalesay:latest:
+  #    cmd: [/bin/bash]