Merge pull request #3683 from steeling/feature/protocol

feat(pkg/apis/config) add the protocol to the mesh cluster

charts/osm/crds/multiclusterservice.yaml

@@ -43,6 +43,29 @@ spec:
               properties:
                 serviceAccount:
                   type: string
+                ports:
+                  description: The list of ports that are exposed by this service.
+                  type: array
+                  items:
+                    type: object
+                    required:
+                      - port
+                      - protocol
+                    properties:
+                      port: 
+                        description: The port that will be exposed by this service.
+                        type: integer
+                        minimum: 1
+                        maximum: 65535
+                      protocol:
+                        description: The IP protocol for this port. Supports "TCP", "UDP", and "SCTP". Default is TCP.
+                        type: string
+                        default: "TCP"
+                        enum:
+                          - TCP
+                          - UDP
+                          - SCTP
+                  type: string
                 clusters:
                   description: The clusters the service accounts are hosted on.
                   type: array

pkg/apis/config/v1alpha1/multi_cluster_service.go

@@ -29,6 +29,9 @@ type MultiClusterServiceSpec struct {
 
 	// ServiceAccount represents the service account of the multicluster service.
 	ServiceAccount string `json:"serviceAccount,omitempty"`
+
+	// Ports is the list of ports exported by this service.
+	Ports []PortSpec `json:"ports,omitempty"`
 }
 
 // ClusterSpec is the type used to represent a remote cluster in multicluster scenarios.
@@ -41,6 +44,14 @@ type ClusterSpec struct {
 	Name string `json:"name,omitempty"`
 }
 
+// PortSpec contains information on service's port.
+type PortSpec struct {
+	// The port that will be exposed by this service.
+	Port uint32
+	// Protocol is The IP protocol for this port. Supports "TCP", "UDP", and "SCTP". Default is TCP.
+	Protocol string
+}
+
 // MultiClusterServiceList defines the list of MultiClusterService objects.
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 type MultiClusterServiceList struct {