Helm / Gateway: Allow to configure whether or not NGINX binds IPv6 (#…

…7421)

* Helm / Gateway: Allow to configure whether or not NGINX binds IPv6

Signed-off-by: Wilfried Roset <wilfriedroset@users.noreply.github.com>

* Update operations/helm/charts/mimir-distributed/CHANGELOG.md

---------

Signed-off-by: Wilfried Roset <wilfriedroset@users.noreply.github.com>
Co-authored-by: Dimitar Dimitrov <dimitar.dimitrov@grafana.com>

operations/helm/charts/mimir-distributed/CHANGELOG.md

@@ -32,6 +32,7 @@ Entries should include a reference to the Pull Request that introduced the chang
   * Autoscaling can be enabled via `distributor.kedaAutoscaling`, `ruler.kedaAutoscaling`, `query_frontend.kedaAutoscaling`, and `querier.kedaAutoscaling`.
   * Global configuration of `promtheusAddress`, `pollingInterval` and `customHeaders` can be found in `kedaAutoscaling`section.
   * Requires metamonitoring or custom installed Prometheus compatible solution, for more details on metamonitoring see [Monitor the health of your system](https://grafana.com/docs/helm-charts/mimir-distributed/latest/run-production-environment-with-helm/monitor-system-health/). See [grafana/mimir#7367](https://github.com/grafana/mimir/issues/7367) for a migration procedure.
+* [FEATURE] Gateway: Allow to configure whether or not NGINX binds IPv6 via `gateway.nginx.config.enableIPv6`. #7421
 * [CHANGE] Rollout-operator: remove default CPU limit. #7125
 * [CHANGE] Ring: relaxed the hash ring heartbeat period and timeout for distributor, ingester, store-gateway and compactor: #6860
   * `-distributor.ring.heartbeat-period` set to `1m`

operations/helm/charts/mimir-distributed/values.yaml

@@ -2921,6 +2921,8 @@ gateway:
       httpSnippet: ""
       # -- Allows to set a custom resolver
       resolver: null
+      # -- Configures whether or not NGINX bind IPv6
+      enableIPv6: true
       # -- Config file contents for Nginx. Passed through the `tpl` function to allow templating.
       file: |
         worker_processes  5;  ## Default: 1
@@ -2976,7 +2978,9 @@ gateway:
           proxy_read_timeout 300;
           server {
             listen {{ include "mimir.serverHttpListenPort" . }};
+            {{- if .Values.gateway.nginx.config.enableIPv6 }}
             listen [::]:{{ include "mimir.serverHttpListenPort" . }};
+            {{- end }}
 
             {{- if .Values.gateway.nginx.basicAuth.enabled }}
             auth_basic           "Mimir";