Add scheduled overrides feature (#750)

Co-authored-by: Igor Rodionov <goruha@gmail.com>

Author: oleksiimorozenko

modules/eks/actions-runner-controller/charts/actions-runner/templates/horizontalrunnerautoscaler.yaml

@@ -56,3 +56,7 @@ spec:
     duration: "{{ .Values.max_duration }}"
     {{- end }}
   {{- end }}
+  {{- if .Values.scheduled_overrides }}
+  scheduledOverrides:
+  {{- with $.Values.scheduled_overrides }}{{ toYaml . | trim | nindent 8 }}{{- end }}
+  {{- end }}

modules/eks/actions-runner-controller/charts/actions-runner/values.yaml

@@ -29,3 +29,15 @@ pull_driven_scaling_enabled: false
 #labels:
 #  - "Ubuntu"
 #  - "core-example"
+# Override minReplicas to 1 on weekends and during non-working hours
+#scheduled_overrides:
+#  - startTime: "2023-06-30T19:00:00+03:00"
+#    endTime: "2023-07-03T07:00:00+03:00"
+#    recurrenceRule:
+#      frequency: Weekly
+#    minReplicas: 1
+#  - startTime: "2023-07-03T19:00:00+03:00"
+#    endTime: "2023-07-04T07:00:00+03:00"
+#    recurrenceRule:
+#      frequency: Daily
+#    minReplicas: 1