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doc-exports/docs/eip/api-ref/eip_apieg_0002.html
Qin Ying, Fan 65b77b76d4 EIP API 20230106 version 
Reviewed-by: Hajba, László Antal <laszlo-antal.hajba@t-systems.com>
Co-authored-by: Qin Ying, Fan <fanqinying@huawei.com>
Co-committed-by: Qin Ying, Fan <fanqinying@huawei.com>
2023-08-01 06:58:15 +00:00

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Binding an EIP to an ECS

Scenarios

This section describes how to bind an EIP to an ECS by calling APIs.

Prerequisites

  • You have created an ECS. For details, see section "Purchasing an ECS with Customized Configurations" in the Elastic Cloud Server User Guide.
  • If you use a token for authentication, you must obtain the token and add X-Auth-Token to the request header when making an API call.

    The token obtained from IAM is valid for only 24 hours. If you want to use a token for authentication, you can cache it to avoid frequent calling.

Procedure

  1. Obtain the NIC information based on the ECS ID. For details, see section "Querying a Port" in the Virtual Private Cloud API Reference.
    1. Send GET https://VPC endpoint/v1/project_id/ports?device_id=ecs_id. Parameter project_id indicates the project ID.
    2. Add X-Auth-Token to the request header.
    3. Check the response message.
      • The request is successful if the following response is displayed.
        { 
     "ports": [{ 
         "id": "02c72193-efec-42fb-853b-c33f2b802467", 
         "name": "", 
         "status": "ACTIVE", 
         "admin_state_up": true, 
         "fixed_ips": [{ 
             "subnet_id": "213cb9d-3122-2ac1-1a29-91ffc1231a12", 
             "ip_address": "192.168.0.75" 
         }], 
         "mac_address": "fa:16:3e:47:5f:c1", 
         "network_id": "4779ab1c-7c1a-44b1-a02e-93dfc361b32d", 
         "tenant_id": "db82c9e1415a464ea68048baa8acc6b8", 
         "project_id": "db82c9e1415a464ea68048baa8acc6b8", 
         "device_id": "ea61f836-b52f-41bf-9d06-685644001d6f", 
         "device_owner": "compute:br-iaas-odin1a", 
         "security_groups": [ 
             "e0598d96-9451-4f8a-8de0-b8b4d451d9e7" 
         ], 
         "extra_dhcp_opts": [], 
         "allowed_address_pairs": [], 
         "binding:vnic_type": "normal", 
         "binding:vif_details": { 
             "primary_interface": true 
         }, 
         "binding:profile": {}, 
         "port_security_enabled": true, 
         "created_at": "2020-06-20T08:07:29", 
         "updated_at": "2020-06-20T08:07:29" 
     }] 
 }
      • For details about the error codes when the request is abnormal, see Error Codes.
  2. Assign an EIP.
    1. Send POST https://Endpoint/v1/project_id/publicips. Parameter project_id indicates the project ID.
    2. Add X-Auth-Token to the request header.
    3. Specify the following parameters in the request body:
      {     
     "publicip": {         
         "type": "5_bgp",         
         "ip_version": 6        
  },    
     "bandwidth": {        
         "name": "bandwidth123",        
         "size": 5,         
         "share_type": "WHOLE", 
         "id":"ebfa375c-3f93-465e-81a3-bd66e578ee9d" 
     },          
     "enterprise_project_id":"0"   
 }
    4. Check the response message.
      • The request is successful if the following response is displayed.
        { 
     "publicip": { 
         "id": "f588ccfa-8750-4d7c-bf5d-2ede24414706", 
         "status": "PENDING_CREATE", 
         "type": "5_bgp", 
         "public_ip_address": "161.xx.xx.7", 
         "tenant_id": "8b7e35ad379141fc9df3e178bd64f55c", 
         "ip_version": 4, 
         "create_time": "2015-07-16 04:10:52", 
         "bandwidth_size": 0, 
         "enterprise_project_id":"b261ac1f-2489-4bc7-b31b-c33c3346a439" 
     } 
 }
      • For details about the error codes when the request is abnormal, see Error Codes.
  3. Bind the EIP to the ECS NIC.
    1. Send PUT /v1/project_id/publicips/publicip_id. Parameter project_id indicates the project ID.
    2. Add X-Auth-Token to the request header.
    3. Specify the following parameters in the request body:
      {     
     "publicip": {         
         "port_id": "02c72193-efec-42fb-853b-c33f2b802467"      
     }
 }
    4. Check the response message.
      • The request is successful if the following response is displayed.
        { 
   "publicip": { 
     "id": "f588ccfa-8750-4d7c-bf5d-2ede24414706", 
     "status": "ACTIVE", 
     "type": "5_bgp", 
     "port_id": "02c72193-efec-42fb-853b-c33f2b802467", 
     "public_ip_address": "10.xx.xx.162", 
     "private_ip_address": "192.168.1.131", 
     "tenant_id": "26ae5181a416420998eb2093aaed84d9", 
     "create_time": "2019-03-27 01:33:18", 
     "bandwidth_id": "02da78da-4fb0-4880-b512-f516cdeb8ef3",
     "bandwidth_name": "test",
     "bandwidth_share_type": "PER",
     "bandwidth_size": 1,
     "profile": {},
     "enterprise_project_id": "0", 
     "ip_version": 4 
   } 
 }
      • For details about the error codes when the request is abnormal, see Error Codes.
Parent topic: Application Examples