feat(argo-workflows): argo workflows chart to allow set the namespace of Prometheus ServiceMonitor. (#1104)

* feat(argo-workflows): argo workflows chart to allow set the namespace of Prometheus ServiceMonitor.

Signed-off-by: mugioka <okamugi0722@gmail.com>

* Bump minor chart version

Signed-off-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

Co-authored-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

charts/argo-workflows/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: argo-workflows
 description: A Helm chart for Argo Workflows
 type: application
-version: 0.9.5
+version: 0.10.0
 appVersion: v3.2.6
 icon: https://raw.githubusercontent.com/argoproj/argo-workflows/master/docs/assets/argo.png
 home: https://github.com/argoproj/argo-helm
@@ -15,4 +15,4 @@ maintainers:
   - name: benjaminws
 annotations:
   artifacthub.io/changes: |
-    - "[Changed]: Consistent .helmignore"
+    - "[Added]: Add controller serviceMonitor.namespace parameter."

charts/argo-workflows/README.md

@@ -110,6 +110,7 @@ Fields to note:
 | controller.serviceLabels | object | `{}` | Optional labels to add to the controller Service |
 | controller.serviceMonitor.additionalLabels | object | `{}` | Prometheus ServiceMonitor labels |
 | controller.serviceMonitor.enabled | bool | `false` | Enable a prometheus ServiceMonitor |
+| controller.serviceMonitor.namespace | string | `""` | Prometheus ServiceMonitor namespace |
 | controller.serviceType | string | `"ClusterIP"` | Service type of the controller Service |
 | controller.telemetryConfig.enabled | bool | `false` | Enables prometheus telemetry server |
 | controller.telemetryConfig.path | string | `"/telemetry"` | telemetry path |

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

@@ -3,6 +3,9 @@ apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor
 metadata:
   name: {{ template "argo-workflows.controller.fullname" . }}
+  {{- with .Values.controller.serviceMonitor.namespace }}
+  namespace: {{ . }}
+  {{- end }}
   labels:
     {{- include "argo-workflows.labels" (dict "context" . "component" .Values.controller.name "name" .Values.controller.name) | nindent 4 }}
     {{- with .Values.controller.serviceMonitor.additionalLabels }}

charts/argo-workflows/values.yaml

@@ -145,6 +145,8 @@ controller:
     enabled: false
     # -- Prometheus ServiceMonitor labels
     additionalLabels: {}
+    # -- Prometheus ServiceMonitor namespace
+    namespace: "" # "monitoring"
   serviceAccount:
     # -- Create a service account for the controller
     create: true