feat: add customAlloyOnly flag to exclude destinations from upstream chart

Author: loafoe

charts/k8s-observability-monitoring/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: k8s-observability-monitoring
-version: 1.0.3
+version: 1.0.4
 description: Helm chart for k8s-observability-monitoring
 
 # renovate: datasource=helm depName=k8s-monitoring registryUrl=https://grafana.github.io/helm-charts

charts/k8s-observability-monitoring/config/k8s-monitoring-values.yaml.tpl

@@ -4,6 +4,7 @@ cluster:
 {{- if .Values.destinations }}
 destinations:
 {{- range $name, $dest := .Values.destinations }}
+{{- if not $dest.customAlloyOnly }}
   {{ $name }}:
     type: {{ $dest.type | default "otlp" }}
     url: {{ $dest.url }}
@@ -52,6 +53,7 @@ destinations:
       {{- toYaml $dest.sendingQueue | nindent 6 }}
     {{- end }}
 {{- end }}
+{{- end }}
 {{- else }}
 destinations: {}
 {{- end }}

charts/k8s-observability-monitoring/values.yaml

@@ -13,6 +13,9 @@ chart:
 # Each destination is a map entry with the destination name as key.
 # See: https://github.com/grafana/k8s-monitoring-helm/blob/main/charts/k8s-monitoring/docs/destinations/README.md
 #
+# Set customAlloyOnly: true to exclude a destination from the upstream k8s-monitoring chart
+# (it will only be used by customAlloy).
+#
 # Example:
 #   destinations:
 #     otlpGateway: