Add expose (#1678)

* add expose.cue

* add expose.yaml

* add usage comment

* gen yaml

* fix issue

Co-authored-by: qiaozp <qiaozp@B-MAA4ML7H-2021.local>

charts/vela-core/templates/defwithtemplate/expose.yaml

@@ -0,0 +1,36 @@
+# Code generated by KubeVela templates. DO NOT EDIT.
+apiVersion: core.oam.dev/v1beta1
+kind: TraitDefinition
+metadata:
+  annotations:
+    definition.oam.dev/description: "Expose port to enable web traffic for your component."
+  name: expose
+  namespace: {{.Values.systemDefinitionNamespace}}
+spec:
+  appliesToWorkloads:
+    - deployments.apps
+  podDisruptive: false
+  schematic:
+    cue:
+      template: |
+        outputs: service: {
+        	apiVersion: "v1"
+        	kind:       "Service"
+        	metadata:
+        		name: context.name
+        	spec: {
+        		selector:
+        			"app.oam.dev/component": context.name
+        		ports: [
+        			for p in parameter.port {
+        				port:       p
+        				targetPort: p
+        			},
+        		]
+        	}
+        }
+        parameter: {
+        	// +usage=Specify the exposion ports
+        	port: [...int]
+        }
+        

hack/vela-templates/cue/expose.cue

@@ -0,0 +1,20 @@
+outputs: service: {
+	apiVersion: "v1"
+	kind:       "Service"
+	metadata:
+		name: context.name
+	spec: {
+		selector:
+			"app.oam.dev/component": context.name
+		ports: [
+			for p in parameter.port {
+				port:       p
+				targetPort: p
+			},
+		]
+	}
+}
+parameter: {
+	// +usage=Specify the exposion ports
+	port: [...int]
+}

hack/vela-templates/definitions/expose.yaml

@@ -0,0 +1,14 @@
+apiVersion: core.oam.dev/v1beta1
+kind: TraitDefinition
+metadata:
+  annotations:
+    definition.oam.dev/description: "Expose port to enable web traffic for your component."
+  name: expose
+  namespace: {{.Values.systemDefinitionNamespace}}
+spec:
+  appliesToWorkloads:
+    - deployments.apps
+  podDisruptive: false
+  schematic:
+    cue:
+      template: |