[stable/traefik] Add a parameter to set acme.onHostRule in traefik.toml (#8358)

Signed-off-by: Romain Poirot <romain.poirot@supelec.fr>

stable/traefik/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: traefik
-version: 1.50.0
+version: 1.51.0
 appVersion: 1.7.2
 description: A Traefik based Kubernetes ingress controller with Let's Encrypt support
 keywords:

stable/traefik/README.md

@@ -126,6 +126,7 @@ The following table lists the configurable parameters of the Traefik chart and t
 | `acme.dnsProvider.name`                | Which DNS provider to use. See [here](https://github.com/xenolf/lego/tree/master/providers/dns) for the list of possible values. | `nil`                                         |
 | `acme.dnsProvider.$name`               | The configuration environment variables (encoded as a secret) needed for the DNS provider to do DNS challenge. See [here](#example-aws-route-53). | `{}`                         |
 | `acme.email`                           | Email address to be used in certificates obtained from Let's Encrypt                                                         | `admin@example.com`                               |
+| `acme.onHostRule`                      | Whether to generate a certificate for each frontend with Host rule                                                           | `true`                                            |
 | `acme.staging`                         | Whether to get certs from Let's Encrypt's staging environment                                                                | `true`                                            |
 | `acme.logging`                         | Display debug log messages from the ACME client library                                                                      | `false`                                           |
 | `acme.domains.enabled`                 | Enable certificate creation by default for specific domain                                                                   | `false`                                           |

stable/traefik/templates/configmap.yaml

@@ -226,7 +226,7 @@ data:
     storage = "/acme/acme.json"
     {{- end }}
     entryPoint = "https"
-    onHostRule = true
+    onHostRule = {{ .Values.acme.onHostRule }}
     {{- if .Values.acme.staging }}
     caServer = "https://acme-staging-v02.api.letsencrypt.org/directory"
     {{- end }}

stable/traefik/values.yaml

@@ -131,6 +131,7 @@ kvprovider:
 acme:
   enabled: false
   email: admin@example.com
+  onHostRule: true
   staging: true
   logging: false
   # Configure a Let's Encrypt certificate to be managed by default.