Updating a Load Balancer

Function

This API is used to update the name or description of a load balancer.

URI

PUT /v2.0/lbaas/loadbalancers/{loadbalancer_id}

**Table 1** Parameter description
Parameter	Mandatory	Type	Description
loadbalancer_id	Yes	String	Specifies the load balancer ID.

Request

**Table 2** Parameter description
Parameter	Mandatory	Type	Description
loadbalancer	Yes	Object	Specifies the load balancer. For details, see Table 3.

**Table 3** **loadbalancer** parameter description
Parameter	Mandatory	Type	Description
name	No	String	Specifies the load balancer name. The value contains a maximum of 255 characters.
description	No	String	Provides supplementary information about the load balancer. The value contains a maximum of 255 characters.
admin_state_up	No	Boolean	Specifies the administrative status of the load balancer. This parameter is reserved. The default value is true.

Response

**Table 4** Response parameters
Parameter	Type	Description
loadbalancer	Object	Specifies the load balancer. For details, see Table 5.

**Table 5** **loadbalancer** parameter description
Parameter	Type	Description
id	String	Specifies the load balancer ID.
project_id	String	Specifies the ID of the project to which the load balancer belongs. This parameter has the same meaning as tenant_id.
tenant_id	String	Specifies the ID of the project where the load balancer is used. The value contains a maximum of 255 characters.
name	String	Specifies the load balancer name. The value contains a maximum of 255 characters.
description	String	Provides supplementary information about the load balancer. The value contains a maximum of 255 characters.
vip_subnet_id	String	Specifies the ID of the IPv4 subnet where the load balancer works.
vip_port_id	String	Specifies the ID of the port bound to the private IP address of the load balancer. When you create a load balancer, the system automatically creates a port and associates it with a security group. However, the security group will not take effect.
provider	String	Specifies the provider of the load balancer.
vip_address	String	Specifies the private IP address of the load balancer. The value contains a maximum of 64 characters.
listeners	Array	Lists the IDs of listeners added to the load balancer. For details, see Table 5.
pools	Array	Lists the IDs of backend server groups associated with the load balancer. For details, see Table 6.
operating_status	String	This parameter is reserved, and its value can be ONLINE or FROZEN. It specifies the operating status of the load balancer.
provisioning_status	String	This parameter is reserved, and its value can only be ACTIVE. It specifies the provisioning status of the load balancer.
admin_state_up	Boolean	Specifies the administrative status of the load balancer. This parameter is reserved. The value can be true or false. true: Enabled false: Disabled
tags	Array	Lists load balancer tags.
created_at	String	Specifies the time when the load balancer was created. The UTC time is in YYYY-MM-DDTHH:MM:SS format. The value contains a maximum of 19 characters.
updated_at	String	Specifies the time when the load balancer was updated. The UTC time is in YYYY-MM-DDTHH:MM:SS format. The value contains a maximum of 19 characters.

**Table 6** **listeners** parameter description
Parameter	Type	Description
id	String	Specifies the ID of the associated listener.

**Table 7** **pools** parameter description
Parameter	Type	Description
id	String	Specifies the ID of the associated backend server group.

Example Request

Example request: Modifying the load balancer name and description

PUT https://{Endpoint}/v2.0/lbaas/loadbalancers/1e11b74e-30b7-4b78-b09b-84aec4a04487

{
    "loadbalancer": {
        "name": "lb_update_test", 
        "description": "lb update test"
    }
}

Example Response

Example response

{
  "loadbalancer": {
    "description": "simple lb2",
    "admin_state_up": true,
    "tenant_id": "145483a5107745e9b3d80f956713e6a3",
    "project_id": "145483a5107745e9b3d80f956713e6a3",
    "provisioning_status": "ACTIVE",
    "vip_subnet_id": "823d5866-6e30-45c2-9b1a-a1ebc3757fdb",
    "listeners": [
      {
        "id": "37ffe679-08ef-436e-b6bd-cf66fb4c3de2"
      }
    ],
    "vip_address": "192.172.1.68",
    "vip_port_id": "f42e3019-67f7-4d2a-8d1c-af49e7c22fa6",
    "tags": [],
    "provider": "vlb",
    "pools": [
      {
        "id": "75c4f2d4-a213-4408-9fa8-d64708e8d1df"
      }
    ],
    "id": "c32a9f9a-0cc6-4f38-bb9c-cde79a533c19",
    "operating_status": "ONLINE",
    "name": "loadbalancer-test2",
    "created_at": "2018-07-25T01:54:13", 
    "updated_at": "2018-07-25T01:54:14"
  }
}