[DCS] Change Capacity to float32 (#380)

[DCS] Change Capacity to float32

What this PR does / why we need it
Change Capacity from int to float32
Which issue this PR fixes
fixes #1839

Reviewed-by: Artem Lifshits <None>
Reviewed-by: Anton Sidelnikov <None>

Author: Aloento

acceptance/openstack/dcs/v1/helpers.go

@@ -40,7 +40,7 @@ func createDCSInstance(t *testing.T, client *golangsdk.ServiceClient) *instances
 
 	var productID string
 	for _, v := range productList.Products {
-		if v.SpecCode == "dcs.single_node" {
+		if v.SpecCode == "redis.ha.xu1.tiny.r2.128" {
 			productID = v.ProductID
 		}
 	}
@@ -49,22 +49,20 @@ func createDCSInstance(t *testing.T, client *golangsdk.ServiceClient) *instances
 	}
 
 	defaultSG := openstack.DefaultSecurityGroup(t)
-
 	dcsName := tools.RandomString("dcs-instance-", 3)
-	createOpts := instances.CreateOps{
+	var createOpts = instances.CreateOps{
 		Name:            dcsName,
 		Description:     "some test DCSv1 instance",
 		Engine:          "Redis",
-		EngineVersion:   "3.0",
-		Capacity:        64,
+		EngineVersion:   "5.0",
+		Capacity:        0.125,
 		Password:        "Qwerty123!",
 		VPCID:           vpcID,
 		SubnetID:        networkID,
 		AvailableZones:  []string{az},
 		ProductID:       productID,
 		SecurityGroupID: defaultSG,
 	}
-
 	dcsInstanceCreate, err := instances.Create(client, createOpts).Extract()
 	th.AssertNoErr(t, err)
 

openstack/dcs/v1/instances/requests.go

@@ -29,15 +29,18 @@ type CreateOps struct {
 	// Cache engine version, which is 3.0.7.
 	EngineVersion string `json:"engine_version"`
 
-	// Indicates the message storage space.
-	// Cache capacity.
-
-	// Unit: GB.
-	// For a DCS Redis instance in single-node or master/standby mode,
-	// the cache capacity can be 2 GB, 4 GB, 8 GB, 16 GB, 32 GB, or 64 GB.
-	// For a DCS Redis instance in cluster mode, the cache capacity can be
-	// 64, 128, 256, 512, or 1024 GB.
-	Capacity int `json:"capacity" required:"true"`
+	// Cache capacity. Unit: GB.
+	//
+	// For a single-node or master/standby DCS Redis 3.0 instance,
+	// the value can be 2, 4, 8, 16, 32, or 64.
+	// For a Proxy Cluster DCS Redis 3.0 instance,
+	// the value can be 64, 128, 256, 512, or 1024.
+
+	// For a single-node or master/standby DCS Redis 4.0 or 5.0 instance,
+	// the value can be 0.125, 0.25, 0.5, 1, 2, 4, 8, 16, 32, 24, 48, or 64.
+	// For a Redis Cluster DCS Redis 4.0 or 5.0 instance,
+	// the value can be 4, 8, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, or 1024.
+	Capacity float32 `json:"capacity" required:"true"`
 
 	// Indicate if no password visit cache instance is allowed.
 	NoPasswordAccess string `json:"no_password_access,omitempty"`

openstack/dcs/v1/instances/results.go

@@ -36,7 +36,7 @@ type ListDcsResponse struct {
 type Instance struct {
 	Name                 string               `json:"name"`
 	Engine               string               `json:"engine"`
-	Capacity             int                  `json:"capacity"`
+	Capacity             float32              `json:"capacity"`
 	IP                   string               `json:"ip"`
 	Port                 int                  `json:"port"`
 	Status               string               `json:"status"`