fix: services constraints for existing plugins (#114)

Author: nnicora

service/wrapper/certificate_issuer.go

@@ -14,7 +14,7 @@ func (repo *certificateIssuerRepository) Binder() any {
 }
 
 func (repo *certificateIssuerRepository) Constraints() api.Constraints {
-	return api.ExactlyOne()
+	return api.MaybeOne()
 }
 
 func (repo *certificateIssuerRepository) Versions() []api.Version {

service/wrapper/identity_management.go

@@ -14,7 +14,7 @@ func (repo *identityManagementRepository) Binder() any {
 }
 
 func (repo *identityManagementRepository) Constraints() api.Constraints {
-	return api.ExactlyOne()
+	return api.MaybeOne()
 }
 
 func (repo *identityManagementRepository) Versions() []api.Version {

service/wrapper/key_management.go

@@ -14,7 +14,7 @@ func (repo *keyManagementRepository) Binder() any {
 }
 
 func (repo *keyManagementRepository) Constraints() api.Constraints {
-	return api.ExactlyOne()
+	return api.ZeroOrMore()
 }
 
 func (repo *keyManagementRepository) Versions() []api.Version {

service/wrapper/keystore_management.go

@@ -14,7 +14,7 @@ func (repo *keystoreManagementRepository) Binder() any {
 }
 
 func (repo *keystoreManagementRepository) Constraints() api.Constraints {
-	return api.ExactlyOne()
+	return api.ZeroOrMore()
 }
 
 func (repo *keystoreManagementRepository) Versions() []api.Version {

service/wrapper/notification.go

@@ -14,7 +14,7 @@ func (repo *notificationRepository) Binder() any {
 }
 
 func (repo *notificationRepository) Constraints() api.Constraints {
-	return api.ExactlyOne()
+	return api.MaybeOne()
 }
 
 func (repo *notificationRepository) Versions() []api.Version {

service/wrapper/system_information.go

@@ -14,7 +14,7 @@ func (repo *systemInformationRepository) Binder() any {
 }
 
 func (repo *systemInformationRepository) Constraints() api.Constraints {
-	return api.ExactlyOne()
+	return api.MaybeOne()
 }
 
 func (repo *systemInformationRepository) Versions() []api.Version {