feat(argo-workflows): Support Azure Blob Storage for artifact (#1488)

* feat(argo-workflows): Support Azure Blob Storage for artifact
Signed-off-by: yu-croco <yu.croco@gmail.com>

* chore(argo-workflows): refactor, from if/else to with
Signed-off-by: yu-croco <yu.croco@gmail.com>

charts/argo-workflows/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: v3.4.0
 name: argo-workflows
 description: A Helm chart for Argo Workflows
 type: application
-version: 0.19.3
+version: 0.19.4
 icon: https://raw.githubusercontent.com/argoproj/argo-workflows/master/docs/assets/argo.png
 home: https://github.com/argoproj/argo-helm
 sources:
@@ -13,4 +13,4 @@ maintainers:
     url: https://argoproj.github.io/
 annotations:
   artifacthub.io/changes: |
-    - "[Fixed]: Change default type of `.mainContainer.env` and `.executor.env` from object to array"
+    - "[Added]: Support Azure Blob Storage for artifact"

charts/argo-workflows/README.md

@@ -213,6 +213,7 @@ Fields to note:
 | Key | Type | Default | Description |
 |-----|------|---------|-------------|
 | artifactRepository.archiveLogs | bool | `false` | Archive the main container logs as an artifact |
+| artifactRepository.azure | object | `{}` (See [values.yaml]) | Store artifact in Azure Blob Storage |
 | artifactRepository.gcs | object | `{}` (See [values.yaml]) | Store artifact in a GCS object store |
 | artifactRepository.s3 | object | See [values.yaml] | Store artifact in a S3-compliant object store |
 | useDefaultArtifactRepo | bool | `false` | Influences the creation of the ConfigMap for the workflow-controller itself. |

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

@@ -56,10 +56,13 @@ data:
       {{- if .Values.artifactRepository.archiveLogs }}
       archiveLogs: {{ .Values.artifactRepository.archiveLogs }}
       {{- end }}
-      {{- if .Values.artifactRepository.gcs }}
-      gcs:
-{{ toYaml .Values.artifactRepository.gcs | indent 8}}
-      {{- else }}
+      {{- with .Values.artifactRepository.gcs }}
+      gcs: {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.artifactRepository.azure }}
+      azure: {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- if and  (not .Values.artifactRepository.gcs) (not .Values.artifactRepository.azure) }}
       s3:
         {{- if .Values.useStaticCredentials }}
         accessKeySecret:

charts/argo-workflows/values.yaml

@@ -539,3 +539,21 @@ artifactRepository:
   # serviceAccountKeySecret:
   # name: my-gcs-credentials
   # key: serviceAccountKey
+  # -- Store artifact in Azure Blob Storage
+  # @default -- `{}` (See [values.yaml])
+  azure: {}
+  # endpoint: https://mystorageaccountname.blob.core.windows.net
+  # container: my-container-name
+  # blob: path/in/container
+  ## accountKeySecret is a secret selector.
+  ## It references the k8s secret named 'my-azure-storage-credentials'.
+  ## This secret is expected to have have the key 'account-access-key',
+  ## containing the base64 encoded credentials to the storage account.
+  ## If a managed identity has been assigned to the machines running the
+  ## workflow (e.g., https://docs.microsoft.com/en-us/azure/aks/use-managed-identity)
+  ## then accountKeySecret is not needed, and useSDKCreds should be
+  ## set to true instead:
+  # useSDKCreds: true
+  # accountKeySecret:
+  #  name: my-azure-storage-credentials
+  #  key: account-access-key