Add support for TLS specs

Signed-off-by: Veronika Fisarova <[email protected]>

modules/common/tls/tls.go

@@ -0,0 +1,37 @@
+/*
+Copyright 2022 Red Hat
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package tls
+
+// Service contains server-specific TLS secret
+type Service struct {
+	// Server-specific settings
+	SecretName             string `json:"secretName,omitempty"`
+	DisableNonTLSListeners bool   `json:"disableNonTLSListeners,omitempty"`
+}
+
+// Ca contains CA-specific settings, which could be used both by services (to define their own CA certificates)
+// and by clients (to verify the server's certificate)
+type Ca struct {
+	// CA-specific settings
+	CaSecretName string `json:"caSecretName,omitempty"`
+}
+
+// TLS - a generic type, which encapsulates both the service and CA configurations
+type TLS struct {
+	Service *Service `json:"service"`
+	Ca      *Ca      `json:"ca"`
+}