Refactor openfaas crd generation

This commit refactor openfaas crd schema puts it inside a package with
a version name so that it's easy to add new version for openfaas CRD

Signed-off-by: Vivek Singh <vivekkmr45@yahoo.in>

commands/generate.go

@@ -11,6 +11,7 @@ import (
 	"github.com/openfaas/faas-cli/proxy"
 	"github.com/openfaas/faas-cli/schema"
 	knativev1alpha1 "github.com/openfaas/faas-cli/schema/knative/v1alpha1"
+	openfaasv1alpha2 "github.com/openfaas/faas-cli/schema/openfaas/v1alpha2"
 	"github.com/openfaas/faas-cli/stack"
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
@@ -186,7 +187,7 @@ func generateCRDYAML(services stack.Services, format schema.BuildFormat, apiVers
 			metadata := schema.Metadata{Name: name, Namespace: namespace}
 			imageName := schema.BuildImageName(format, function.Image, version, branch)
 
-			spec := schema.Spec{
+			spec := openfaasv1alpha2.Spec{
 				Name:        name,
 				Image:       imageName,
 				Environment: allEnvironment,
@@ -197,7 +198,7 @@ func generateCRDYAML(services stack.Services, format schema.BuildFormat, apiVers
 				Secrets:     function.Secrets,
 			}
 
-			crd := schema.CRD{
+			crd := openfaasv1alpha2.CRD{
 				APIVersion: apiVersion,
 				Kind:       resourceKind,
 				Metadata:   metadata,

schema/metadata.go

@@ -0,0 +1,10 @@
+// Copyright (c) OpenFaaS Author(s) 2018. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+package schema
+
+//Metadata metadata of the object
+type Metadata struct {
+	Name      string `yaml:"name"`
+	Namespace string `yaml:"namespace,omitempty"`
+}

schema/openfaas/v1alpha2/crd.go

@@ -1,15 +1,15 @@
 // Copyright (c) OpenFaaS Author(s) 2018. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
-package schema
+package v1alpha2
 
-import "github.com/openfaas/faas-cli/stack"
+import (
+	"github.com/openfaas/faas-cli/schema"
+	"github.com/openfaas/faas-cli/stack"
+)
 
-//Metadata metadata of the object
-type Metadata struct {
-	Name      string `yaml:"name"`
-	Namespace string `yaml:"namespace,omitempty"`
-}
+//APIVersionLatest latest API version of CRD
+const APIVersionLatest = "openfaas.com/v1alpha2"
 
 //Spec describe characteristics of the object
 type Spec struct {
@@ -39,7 +39,7 @@ type CRD struct {
 	//APIVersion CRD API version
 	APIVersion string `yaml:"apiVersion"`
 	//Kind kind of the object
-	Kind     string   `yaml:"kind"`
-	Metadata Metadata `yaml:"metadata"`
-	Spec     Spec     `yaml:"spec"`
+	Kind     string          `yaml:"kind"`
+	Metadata schema.Metadata `yaml:"metadata"`
+	Spec     Spec            `yaml:"spec"`
 }