Replase product skus with their full names.

model/cloud.go

@@ -43,9 +43,15 @@ const (
 type ProductSku string
 
 const (
-	ProductSkuStarter      = ProductSku("starter")
-	ProductSkuProfessional = ProductSku("professional")
-	ProductSkuEnterprise   = ProductSku("enterprise")
+	SkuStarterGov        = ProductSku("starter-gov")
+	SkuProfessionalGov   = ProductSku("professional-gov")
+	SkuEnterpriseGov     = ProductSku("enterprise-gov")
+	SkuStarter           = ProductSku("starter")
+	SkuProfessional      = ProductSku("professional")
+	SkuEnterprise        = ProductSku("enterprise")
+	SkuCloudStarter      = ProductSku("cloud-starter")
+	SkuCloudProfessional = ProductSku("cloud-professional")
+	SkuCloudEnterprise   = ProductSku("cloud-enterprise")
 )
 
 // Product model represents a product on the cloud system.