fix(lb): add ForceNew to the schema of the certificate (#1275)

Author: remyleone

docs/resources/lb_certificate.md

@@ -56,9 +56,9 @@ The following arguments are supported:
 
 - `letsencrypt` - (Optional) Configuration block for Let's Encrypt configuration. Only one of `letsencrypt` and `custom_certificate` should be specified.
 
-    - `common_name` - (Required) Main domain of the certificate.
+    - `common_name` - (Required) Main domain of the certificate. A new certificate will be created if this field is changed.
 
-    - `subject_alternative_name` - (Optional) Array of alternative domain names.
+    - `subject_alternative_name` - (Optional) Array of alternative domain names.  A new certificate will be created if this field is changed.
 
 ~> **Important:** Updates to `letsencrypt` will recreate the load-balancer certificate.
 

scaleway/resource_lb_certificate.go

@@ -49,6 +49,7 @@ func resourceScalewayLbCertificate() *schema.Resource {
 						"common_name": {
 							Type:        schema.TypeString,
 							Required:    true,
+							ForceNew:    true,
 							Description: "The main domain name of the certificate",
 						},
 						"subject_alternative_name": {
@@ -57,6 +58,7 @@ func resourceScalewayLbCertificate() *schema.Resource {
 								Type: schema.TypeString,
 							},
 							Optional:    true,
+							ForceNew:    true,
 							Description: "The alternative domain names of the certificate",
 						},
 					},