Querying Details About Flavors and Extended Flavor Information

Function

This API is used to query details about ECS flavors and extended flavor information.

URI

GET /v1/{project_id}/cloudservers/flavors?availability_zone={availability_zone}

Table 1 describes the parameters in the URI.

**Table 1** Path parameters
Parameter	Mandatory	Description
project_id	Yes	Specifies the project ID. For details about how to obtain the ID, see Obtaining a Project ID.

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
availability_zone	No	String	Specify an AZ. If this parameter is not left blank, flavors in the normal, obt, or promotion state are returned.

Request

None

Response

Table 3 describes the response parameters.

**Table 3** Response parameters
Parameter	Type	Description
flavors	Array of objects	Specifies ECS flavors. For details, see Table 4.

**Table 4** **flavors** field description
Parameter	Type	Description
id	String	Specifies the ID of the ECS flavor.
name	String	Specifies the name of the ECS flavor.
vcpus	String	Specifies the number of vCPUs in the ECS flavor.
ram	Integer	Specifies the memory size (MB) in the ECS flavor.
disk	String	Specifies the system disk size in the ECS flavor. This parameter has not been used. Its default value is 0.
swap	String	Specifies the swap partition size required by the ECS flavor. This parameter has not been used. Its default value is "".
OS-FLV-EXT-DATA:ephemeral	Integer	Specifies the temporary disk size. This is an extended attribute. This parameter has not been used. Its default value is 0.
OS-FLV-DISABLED:disabled	Boolean	Specifies whether the ECS flavor has been disabled. This is an extended attribute. This parameter has not been used. Its default value is false.
rxtx_factor	Float	Specifies the ratio of the available network bandwidth to the network hardware bandwidth of the ECS. This parameter has not been used. Its default value is 1.0.
rxtx_quota	String	Specifies the software constraints of the network bandwidth that can be used by the ECS. This parameter has not been used. Its default value is null.
rxtx_cap	String	Specifies the hardware constraints of the network bandwidth that can be used by the ECS. This parameter has not been used. Its default value is null.
os-flavor-access:is_public	Boolean	Specifies whether a flavor is available to all tenants. This is an extended attribute. true: indicates that a flavor is available to all tenants. false: indicates that a flavor is available only to certain tenants. Default value: true
links	Array of objects	Specifies shortcut links for ECS flavors. For details, see Table 5.
os_extra_specs	Object	Specifies extended ECS specifications. For details, see Table 6.
attachableQuantity	Object	Specifies the number of NICs and disks that can be attached to an ECS. For details, see Table 7.

**Table 5** **links** field description
Parameter	Type	Description
rel	String	Specifies the shortcut link marker name.
href	String	Provides the corresponding shortcut link.
type	String	Specifies the shortcut link type. This parameter has not been used. Its default value is null.

**Table 6** **os_extra_specs** field description (only common parameters are listed)
Parameter	Type	Description
ecs:performancetype	String	Specifies the ECS flavor type: normal: general computing cpuv1: computing I cpuv2: computing II computingv3: general computing-plus highmem: memory-optimized saphana: large-memory HANA ECS diskintensive: disk-intensive
hw:numa_nodes	String	Specifies the number of physical CPUs of the host. The ECS flavor determines whether to return the parameter value.
resource_type	String	Specifies the resource type. resource_type is used to differentiate between the types of the physical servers accommodating ECSs.
hpet_support	String	Specifies whether to enable the high-precision clock on the ECS. true indicates to enable the function, and false indicates to disable the function. The ECS specifications determine whether to return the parameter value.
instance_vnic:type	String	Specifies the NIC type. The value of this parameter is consistently enhanced, indicating that network enhancement ECSs are to be created.
instance_vnic:instance_bandwidth	String	Specifies the maximum bandwidth in the unit of Mbit/s. The maximum value of this parameter is 10000.
instance_vnic:max_count	String	Specifies the maximum number of NICs. The maximum value of this parameter is 4.
quota:local_disk	String	The value of this parameter is in format of "{type}:{count}:{size}:{safeFormat}", where, type: indicates the disk type, which can only be HDD. count: indicates the number of local disks. For D1 ECSs, the value can be 3, 6, 12, or 24. For D2 ECSs, the value can be 2, 4, 8, 12, 16, or 24. For D3 ECSs, the value can be 2, 4, 8, 12, 16, 24, or 28. size: indicates the capacity of a single disk, in GB. Currently, only 1675 is supported. The actual disk size is 1800, and the available size after formatting is 1675. safeFormat: indicates whether the local disks of the ECS are securely formatted. For D1 ECSs, the value is FALSE. For D2 or D3 ECSs, the value is True. NOTE: This field is dedicated for disk-intensive ECSs.
quota:nvme_ssd	String	The value of this parameter is in the format of {type}:{spec}:{num}:{size}:{safeFormat}:. type: indicates the capacity of a single NVME SSD disk attached to the ECS, which can only be 1.6 TB or 3.2 TB. spec: indicates the specification of the NVME SSD disk, which can be large or small. If the value is large, only I3 ECSs are supported. num: indicates the number of partitions on the disk. size: indicates the capacity, in the unit of GB, of the disk used by the guest user. If the spec value is large, the value of this parameter is the size of a single disk attached to the ECS. If the spec value is small, the value of this parameter is 1/4 or 1/2 of the specification. safeFormat: indicates whether the local disks of the ECS are securely formatted. If the value is True, only I3 ECSs are supported. NOTE: This field is dedicated for ultra-high I/O ECSs.
extra_spec:io:persistent_grant	String	Specifies whether persistence is supported. The value of this parameter is true. This parameter indicates that the ECS is persistently authorized to access the storage. NOTE: This field is dedicated for disk-intensive D1 ECSs.
ecs:generation	String	Specifies the generation of an ECS type. For example, 3 in s3 indicates the general-purpose third-generation ECSs. For details about flavors and generations, see ECS Specifications in Elastic Cloud Server User Guide.
ecs:virtualization_env_types	String	Specifies a virtualization type. If the parameter value is FusionCompute, the ECS uses Xen virtualization. If the parameter value is CloudCompute, the ECS uses KVM virtualization. NOTE: This field is optional.
cond:operation:status	String	This parameter takes effect region-wide. If an AZ is not configured in the cond:operation:az parameter, the value of this parameter is used by default. If this parameter is not set or used, the meaning of normal applies. Options: normal: indicates normal commercial use of the flavor. abandon: indicates that the flavor has been canceled (not displayed). sellout: indicates that the flavor has been sold out. obt: indicates that the flavor is under open beta testing (OBT). obt_sellout: indicates that the OBT resources are sold out. promotion: indicates the recommended flavor (commercial use, which is similar to normal).
cond:operation:az	String	This parameter takes effect AZ-wide. If an AZ is not configured in this parameter, the value of the cond:operation:status parameter is used by default. This parameter is in the format of "az(xx)". The value in parentheses is the flavor status in an AZ. If the parentheses are left blank, the configuration is invalid. The cond:operation:az options are the same as the cond:operation:status options. For example, a flavor is for commercial use in AZs 0 and 3, sold out in AZ 1, for OBT in AZ 2, and is canceled in other AZs. Then, set parameters as follows: cond:operation:status: abandon cond:operation:az: az0(normal), az1(sellout), az2(obt), az3(normal) NOTE: Configure this parameter if the flavor status in an AZ is different from the cond:operation:status value.
quota:max_rate	String	Specifies the maximum bandwidth. Unit: Mbit/s. If a bandwidth is in the unit of Gbit/s, it must be divided by 1000.
quota:min_rate	String	Specified the assured bandwidth. Unit: Mbit/s. If a bandwidth is in the unit of Gbit/s, it must be divided by 1000.
quota:max_pps	String	Specifies the maximum intranet PPS. Unit: number. If a value is in the unit of 10000, it must be divided by 10000.
cond:operation:charge:stop	String	Specifies whether fees are billed for a stopped ECS. No fees by default charge free
cond:operation:charge	String	Specifies a billing type. All the billing types are supported if this parameter is not set. period: The billing type is yearly or monthly. demand: The billing type is pay-per-use.
cond:spot:operation:az	String	Specifies the AZ for the flavors in spot pricing billing mode.
cond:operation:roles	String	Specifies the allowed roles. Matched user tag (roles op_gatexxx), which is available to all users if this parameter is not set
cond:spot:operation:status	String	Specifies the status of a flavor in spot pricing billing mode. Equivalent to abandon if this parameter is not set. normal: indicates commercial use of the flavor. abandon: indicates that the flavor has been terminated. sellout: indicates that the flavor has been sold out. obt: indicates that the flavor is at OBT phase (not supported currently). private: indicates that the flavor is private, which is available only to specified users (not supported currently). test: indicates that the flavor is at free trial phase (not supported currently). promotion: indicates that the flavor is recommended.
cond:network	String	Specifies network constraints. Network features are supported. If this parameter is not set, the default configuration on the console is used.
cond:storage	String	Specifies storage constraints. Disk features are supported. If this parameter is not set, the default configuration on the console is used. scsi: indicates that SCSI is supported. localdisk: indicates that local disks are supported. ib: indicates that IB is supported.
cond:compute:live_resizable	String	Specifies computing constraints. If the value of this parameter is true, online capacity expansion is supported. If this parameter does not exist or its value is set to false, online capacity expansion is not supported.
cond:compute	String	Specifies computing constraints. autorecovery: indicates that automatic recovery is supported. If this parameter does not exist, automatic recovery is not supported.
ecs:instance_architecture	String	Specifies the CPU architecture corresponding to the flavor. This parameter is returned only for Kunpeng ECSs. The value arm64 indicates that the CPU architecture is Kunpeng.
info:gpu:name	String	Specifies the number and names of GPUs.
info:cpu:name	String	Specifies the CPU name.
quota:gpu	String	Specifies the GPU name.

**Table 7** **attachableQuantity** field description
Parameter	Type	Description
free_scsi	Integer	Specifies the number of SCSI disks that can be attached.
free_blk	Integer	Specifies the number of VBD disks that can be attached.
free_disk	Integer	Specifies the number of disks that can be attached.
free_nic	Integer	Specifies the number of NICs that can be attached.

For more information, see "ECS Specifications and Types" in Elastic Cloud Server User Guide.

Example Request

GET https://{endpoint}/v1/{project_id}/cloudservers/flavors?availability_zone=availability_value

Example Response

{
    "flavors": [
        {
            "attachableQuantity": {
                "free_scsi": 60,
                "free_blk": 24,
                "free_disk": 60,
                "free_nic": 12
            },
            "id": "c3.2xlarge.2",
            "name": "c3.2xlarge.2",
            "vcpus": "8",
            "ram": 16384,
            "disk": "0",
            "swap": "",
            "links": [
                {
                    "rel": "self",
                    "href": "https://ecs.region.xxx.com/v1.0/743b4c0428d94531b9f2add666642e6b/flavors/c3.2xlarge.2",
                    "type": null
                },
                {
                    "rel": "bookmark",
                    "href": "https://ecs.region.xxx.com/743b4c0428d94531b9f2add666642e6b/flavors/c3.2xlarge.2",
                    "type": null
                }
            ],
            "OS-FLV-EXT-DATA:ephemeral": 0,
            "rxtx_factor": 1,
            "OS-FLV-DISABLED:disabled": false,
            "rxtx_quota": null,
            "rxtx_cap": null,
            "os-flavor-access:is_public": true,
            "os_extra_specs": {
                "ecs:virtualization_env_types": "CloudCompute",
                "ecs:generation": "c3",
                "ecs:instance_architecture":"arm64" ,
                "ecs:performancetype": "computingv3",
                "resource_type": "IOoptimizedC3_2"
            }
        }
    ]
}