feat(helm): Added trafficDistribution for service-distributor (#17742)

Signed-off-by: hcc429 <[email protected]>
Signed-off-by: chun <[email protected]>
Co-authored-by: J Stickler <[email protected]>

Author: hcc429

docs/sources/setup/install/helm/reference.md

@@ -2727,7 +2727,8 @@ null
   "serviceLabels": {},
   "terminationGracePeriodSeconds": 30,
   "tolerations": [],
-  "topologySpreadConstraints": []
+  "topologySpreadConstraints": [],
+  "trafficDistribution": ""
 }
 </pre>
 </td>
@@ -3056,6 +3057,15 @@ null
 			<td><pre lang="json">
 []
 </pre>
+</td>
+		</tr>
+		<tr>
+			<td>distributor.trafficDistribution</td>
+			<td>string</td>
+			<td>trafficDistribution for distributor service</td>
+			<td><pre lang="json">
+""
+</pre>
 </td>
 		</tr>
 		<tr>

production/helm/loki/CHANGELOG.md

@@ -16,6 +16,7 @@ Entries should include a reference to the pull request that introduced the chang
 - [FEATURE] Added readiness probe for memcached [#15609](https://github.com/grafana/loki/pull/15609)
 - [FEATURE] Added pdb for pattern ingester [#17058](https://github.com/grafana/loki/pull/17058)
 - [BUGFIX] Ensure ui.enabled=true is set in loki ConfigMap when loki.ui.enabled=true is set in values.yaml to actually enable the UI [#17562](https://github.com/grafana/loki/pull/17562)
+- [FEATURE] Added trafficDistribution to service-distributor for multi-az purpose
 
 ## 6.30.1
 

production/helm/loki/templates/distributor/service-distributor.yaml

@@ -33,4 +33,7 @@ spec:
       {{- end }}
   selector:
     {{- include "loki.distributorSelectorLabels" . | nindent 4 }}
+{{- if .Values.distributor.trafficDistribution }}
+  trafficDistribution: {{ .Values.distributor.trafficDistribution }}
+{{- end }}
 {{- end -}}

production/helm/loki/values.yaml

@@ -2108,6 +2108,8 @@ distributor:
   appProtocol:
     # -- Set the optional grpc service protocol. Ex: "grpc", "http2" or "https"
     grpc: ""
+  # -- trafficDistribution for distributor service
+  trafficDistribution: ""
 # --  Configuration for the querier
 querier:
   # -- Number of replicas for the querier