Querying Details About an ECS

Function

This API is used to query details about an ECS by ECS ID.

URI

GET /v2.1/{project_id}/servers/{server_id}

Table 1 describes the parameters in the URI.

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

Request

None

Response

Table 2 describes the response parameters.

**Table 2** Response parameters
Parameter	Type	Description
server	Object	Specifies ECS information. For details, see Table 3.

**Table 3** **server** field description
Parameter	Type	Description
name	String	Specifies the ECS name.
id	String	Specifies an ECS uniquely.
status	String	Specifies the ECS status. Options: ACTIVE, BUILD, DELETED, ERROR, HARD_REBOOT, MIGRATING, PAUSED, REBOOT, REBUILD, RESIZE, REVERT_RESIZE, SHUTOFF, SHELVED, SHELVED_OFFLOADED, SOFT_DELETED, SUSPENDED, and VERIFY_RESIZE For details, see ECS Statuses.
created	String	Specifies the time when the ECS was created. The time is in the format of "2019-05-22T07:48:19Z".
updated	String	Specifies the last time when the ECS was updated, such as started, stopped, or restarted. The time is in the format of "2019-05-22T07:48:19Z".
flavor	Object	Specifies the ECS flavor. For details, see Table 4.
image	Object	Specifies the ECS image information. For an ECS created using an image, the image ID and link are returned. For details, see Table 5.
tenant_id	String	Specifies the ID of the tenant to which the ECS belongs. The parameter value is the same as the project ID specified by project_id.
key_name	String	Specifies the SSH key name.
user_id	String	Specifies the ID of the user to which an ECS belongs.
metadata	Object	Specifies the ECS metadata.
hostId	String	Specifies the host ID of the ECS.
addresses	Object	Specifies the network addresses of an ECS. The structure is Map<String, Object>. The key indicates the network name, for example, demo_net. The value indicates the network attribute specified in Table 7.
security_groups	Array of objects	Specifies the security groups to which the ECS belongs. For details, see Table 9.
links	Array of objects	Specifies ECS shortcut links. For details, see Table 6.
tags	Array of strings	Specifies ECS tags. This parameter is supported in microversion 2.26 and later. If the microversion is not used for query, the response does not contain the tags field. Tag functions have been upgraded on the cloud platform. After the upgrade, the tag values returned by the system comply with the following rules: The key and value of a tag are connected using an equal sign (=), for example, key=value. If the value is empty, only the key is returned.
os:scheduler_hints	Object	Specifies the ECS scheduling information. For details, see Table 11. This parameter is not available for BMSs. and is only available in DeH scenarios.
OS-DCF:diskConfig	String	Specifies the disk configuration mode. This is an extended attribute. This field is valid for the ECS started using an image. Options: AUTO: This API uses a single partition to build an ECS with the target disk size. The API automatically adjusts the file system to adapt to the entire partition. MANUAL: This API uses the partitioning scheme in the source image and the file system to build the ECS. If the target disk size is large, the API does not partition the remaining disk space.
OS-EXT-AZ:availability_zone	String	Specifies the AZ ID. This is an extended attribute.
OS-EXT-SRV-ATTR:host	String	Specifies the name of the host on which the ECS is deployed. This is an extended attribute.
OS-EXT-SRV-ATTR:hypervisor_hostname	String	Specifies the hostname of the hypervisor. This is an extended attribute.
OS-EXT-SRV-ATTR:instance_name	String	Specifies the ECS ID. This is an extended attribute.
OS-EXT-STS:power_state	Integer	Specifies the ECS power status. This is an extended attribute. Options: 0, 1, 2, 3, and 4 0: pending 1: running 2: paused 3: shutdown 4: crashed
OS-EXT-STS:task_state	String	Specifies the ECS task status. This is an extended attribute. For details about options, see ECS Statuses.
OS-EXT-STS:vm_state	String	Specifies the ECS status. This is an extended attribute. Options: ACTIVE, BUILDING, STOPPED, RESIZED, PAUSED, SUSPENDED, RESCUED, ERROR, DELETED, SOFT_DELETED, SHELVED, and SHELVED_OFFLOADED For details, see ECS Statuses.
OS-SRV-USG:launched_at	String	Specifies the time when the ECS was started. This is an extended attribute. The time is in the format of "2019-05-22T07:48:19.000000".
OS-SRV-USG:terminated_at	String	Specifies the time when the ECS was deleted. This is an extended attribute. The time is in the format of "2019-05-22T07:48:19.000000".
os-extended-volumes:volumes_attached	Array of objects	Specifies information about the EVS disks attached to the ECS. For details, see Table 8.
fault	Object	Describes ECS faults. This parameter is optional. It is returned when an error occurs on an ECS. For details, see Table 10.
description	String	Describes the ECS. This parameter is supported in microversion 2.19 and later.
host_status	String	Specifies the nova-compute status. UP: The nova-compute status is normal. UNKNOWN: The nova-compute status is unknown. DOWN: the nova-compute status is abnormal. MAINTENANCE: The nova-compute is in maintenance state. Null: There is no host information on the ECS. This parameter is supported in microversion 2.16 and later.
OS-EXT-SRV-ATTR:hostname	String	Specifies the name of the host accommodating the ECS. This parameter is supported in microversion 2.3 and later.
OS-EXT-SRV-ATTR:reservation_id	String	Specifies the reserved ECS ID if multiple ECSs are created in a batch. This parameter is supported in microversion 2.3 and later.
OS-EXT-SRV-ATTR:launch_index	Integer	Specifies the sequence in which ECSs created in a batch start. This parameter is supported in microversion 2.3 and later.
OS-EXT-SRV-ATTR:kernel_id	String	Specifies the UUID of the kernel image if an AMI image is used. In other scenarios, leave this parameter blank. This parameter is supported in microversion 2.3 and later.
OS-EXT-SRV-ATTR:ramdisk_id	String	Specifies the UUID of the Ramdisk image if an AMI image is used. In other scenarios, leave this parameter blank. This parameter is supported in microversion 2.3 and later.
OS-EXT-SRV-ATTR:root_device_name	String	Specifies the device name of the ECS system disk. This parameter is supported in microversion 2.3 and later.
OS-EXT-SRV-ATTR:user_data	String	Specifies the user data specified during ECS creation. This parameter is supported in microversion 2.3 and later.
locked	Boolean	Specifies the ECS lock status, which is True when the ECS is locked and False when the ECS is unlocked. This parameter is supported in microversion 2.9 and later.
accessIPv4	String	Reserved
accessIPv6	String	Reserved
config_drive	String	Reserved
progress	Integer	Reserved

**Table 4** **flavor** field description
Parameter	Type	Description
id	String	Specifies the ECS ID. This parameter is not supported in microversion 2.47 and later.
links	Array of objects	Specifies shortcut links for ECS types. For details, see Table 6. This parameter is not supported in microversion 2.47 and later.
vcpus	Integer	Specifies the number of vCPUs in the ECS flavor. This parameter is supported in microversion 2.47 and later.
ram	Integer	Specifies the memory size (MB) in the ECS flavor. This parameter is supported in microversion 2.47 and later.
disk	Integer	Specifies the system disk size in the ECS flavor. Value 0 indicates that the disk size is not limited. This parameter is supported in microversion 2.47 and later.
ephemeral	Integer	Reserved This parameter is supported in microversion 2.47 and later.
swap	Integer	Reserved This parameter is supported in microversion 2.47 and later.
original_name	String	Specifies the name of the ECS flavor. This parameter is supported in microversion 2.47 and later.
extra_specs	Object	Indicates an extended flavor field. For details, see os_extra_specs (flavor) Field Description. This parameter is supported in microversion 2.47 and later.

**Table 5** **image** field description
Parameter	Type	Description
id	String	Specifies the image ID.
links	Array of objects	Specifies shortcut links for ECS images. For details, see Table 6.

**Table 6** **links** field description
Parameter	Type	Description
rel	String	Specifies the shortcut link marker name.
href	String	Provides the corresponding shortcut link.

**Table 7** Data structure of the network which an ECS accesses
Parameter	Type	Description
addr	String	Specifies the IP address.
version	Integer	Specifies the type of an IP address. The value of this parameter can be 4 or 6. 4: The type of the IP address is IPv4. 6: The type of the IP address is IPv6.
OS-EXT-IPS-MAC:mac_addr	String	Specifies the MAC address. This is an extended attribute.
OS-EXT-IPS:type	String	Specifies the IP address assignment mode. This is an extended attribute.

**Table 8** **os-extended-volumes:volumes_attached** field description
Parameter	Type	Description
id	String	Specifies the EVS disk ID.
delete_on_termination	Boolean	Specifies whether to delete additional disks when deleting the ECS. By default, this parameter is set to False. This parameter is supported in microversion 2.3 and later.

**Table 9** **security_groups** field description
Parameter	Type	Description
name	String	Specifies the security group name or UUID.

**Table 10** **fault** field description
Parameter	Type	Description
code	Integer	Specifies the error code.
created	String	Specifies the time when an error occurred.
message	String	Describes an error.
details	String	Specifies details about an error. This parameter is optional and is returned only when it is not empty.

**Table 11** **os:scheduler_hints** parameters
Parameter	Mandatory	Type	Description
tenancy	No	Array of strings	Creates ECSs on a dedicated or shared host. The value of this parameter can be dedicated or shared.
dedicated_host_id	No	Array of strings	Specifies the DeH ID. This parameter takes effect only when the value of tenancy is dedicated.

Example Request

Query details about a specified ECS.

GET https://{endpoint}/v2.1/{project_id}/servers/{server_id}

Example Response

{
    "server": {
        "addresses": {
            "68269e6e-4a27-441b-8029-35373ad50bd9": [
                {
                    "addr": "192.168.0.3", 
                    "version": 4,
                    "OS-EXT-IPS-MAC:mac_addr": "fa:16:3e:1b:35:78",
                    "OS-EXT-IPS:type": "fixed"
                }
            ]
        }, 
        "created": "2012-08-20T21:11:09Z", 
        "flavor": {
            "id": "s3.xlarge.2", 
            "links": [
                {
                    "href": "http://openstack.example.com/openstack/flavors/s3.xlarge.2", 
                    "rel": "bookmark"
                }
            ]
        }, 
        "hostId": "65201c14a29663e06d0748e561207d998b343e1d164bfa0aafa9c45d", 
        "id": "893c7791-f1df-4c3d-8383-3caae9656c62", 
        "image": "", 
        "links": [
            {
                "href": "http://openstack.example.com/v2/openstack/servers/893c7791-f1df-4c3d-8383-3caae9656c62", 
                "rel": "self"
            }, 
            {
                "href": "http://openstack.example.com/openstack/servers/893c7791-f1df-4c3d-8383-3caae9656c62", 
                "rel": "bookmark"
            }
        ], 
        "metadata": {},
        "name": "new-server-test", 
        "progress": 0, 
        "status": "ACTIVE", 
        "tenant_id": "openstack", 
        "updated": "2012-08-20T21:11:09Z", 
        "user_id": "fake"
    }
}