feat(argo-workflows): add configurable scrape interval for metrics and telemetry (#2942)

feat: add configurable scrape interval for metrics and telemetry

Signed-off-by: KrisF-Midnight <krisztian.feher@iohk.io>

charts/argo-workflows/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: v3.5.11
 name: argo-workflows
 description: A Helm chart for Argo Workflows
 type: application
-version: 0.42.3
+version: 0.42.4
 icon: https://argo-workflows.readthedocs.io/en/stable/assets/logo.png
 home: https://github.com/argoproj/argo-helm
 sources:
@@ -17,4 +17,4 @@ annotations:
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
     - kind: changed
-      description: Bump argo-workflows to v3.5.11
+      description: Scrape interval for metrics and telemetry data can now be set

charts/argo-workflows/README.md

@@ -177,6 +177,7 @@ Fields to note:
 | controller.metricsConfig.headlessService | bool | `false` | Flag to enable headless service |
 | controller.metricsConfig.honorLabels | bool | `false` | When true, honorLabels preserves the metric’s labels when they collide with the target’s labels. |
 | controller.metricsConfig.ignoreErrors | bool | `false` | Flag that instructs prometheus to ignore metric emission errors. |
+| controller.metricsConfig.interval | string | `"30s"` | Frequency at which prometheus scrapes metrics |
 | controller.metricsConfig.metricRelabelings | list | `[]` | ServiceMonitor metric relabel configs to apply to samples before ingestion |
 | controller.metricsConfig.metricsTTL | string | `""` | How often custom metrics are cleared from memory |
 | controller.metricsConfig.path | string | `"/metrics"` | Path is the path where metrics are emitted. Must start with a "/". |
@@ -224,6 +225,7 @@ Fields to note:
 | controller.serviceType | string | `"ClusterIP"` | Service type of the controller Service |
 | controller.telemetryConfig.enabled | bool | `false` | Enables prometheus telemetry server |
 | controller.telemetryConfig.ignoreErrors | bool | `false` | Flag that instructs prometheus to ignore metric emission errors. |
+| controller.telemetryConfig.interval | string | `"30s"` | Frequency at which prometheus scrapes telemetry data |
 | controller.telemetryConfig.metricsTTL | string | `""` | How often custom metrics are cleared from memory |
 | controller.telemetryConfig.path | string | `"/telemetry"` | telemetry path |
 | controller.telemetryConfig.port | int | `8081` | telemetry container port |

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

@@ -15,7 +15,7 @@ spec:
   {{- if .Values.controller.metricsConfig.enabled }}
     - port: {{ .Values.controller.metricsConfig.servicePortName }}
       path: {{ .Values.controller.metricsConfig.path }}
-      interval: 30s
+      interval: {{ .Values.controller.metricsConfig.interval }}
       {{- with .Values.controller.metricsConfig.relabelings }}
       relabelings:
         {{- toYaml . | nindent 8 }}
@@ -29,7 +29,7 @@ spec:
   {{- if .Values.controller.telemetryConfig.enabled }}
     - port: telemetry
       path: {{ .Values.controller.telemetryConfig.path }}
-      interval: 30s
+      interval: {{ .Values.controller.telemetryConfig.interval }}
       {{- with .Values.controller.metricsConfig.relabelings }}
       relabelings:
         {{- toYaml . | nindent 8 }}

charts/argo-workflows/values.yaml

@@ -127,6 +127,8 @@ controller:
     enabled: false
     # -- Path is the path where metrics are emitted. Must start with a "/".
     path: /metrics
+    # -- Frequency at which prometheus scrapes metrics
+    interval: 30s
     # -- Port is the port where metrics are emitted
     port: 9090
     # -- How often custom metrics are cleared from memory
@@ -234,6 +236,8 @@ controller:
     enabled: false
     # -- telemetry path
     path: /telemetry
+    # -- Frequency at which prometheus scrapes telemetry data
+    interval: 30s
     # -- telemetry container port
     port: 8081
     # -- How often custom metrics are cleared from memory