Creating a PTR Record for an EIP

Function

This API is to create a PTR record for an EIP.

Calling Method

For details, see Calling APIs.

URI

PATCH /v2/reverse/floatingips/{region}:{floatingip_id}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
region	Yes	String	Region of the tenant
floatingip_id	Yes	String	EIP ID

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. It can be obtained by calling an IAM API. The value of X-Subject-Token in the response header is the user token.

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
ptrdname	Yes	String	Domain name of the PTR record
description	No	String	PTR record description
ttl	No	Integer	PTR record caching duration (in seconds) on a local DNS server. The longer the duration is, the slower the update takes effect. The value ranges from 1 to 2147483647.
enterprise_project_id	No	String	ID of the enterprise project associated with the PTR record. The value contains a maximum of 36 characters.
tags	No	Array of tag objects	Resource tag

**Table 4** tag
Parameter	Mandatory	Type	Description
key	Yes	String	Tag key. A key can contain up to 36 Unicode characters. It cannot be left blank. A tag value cannot contain special characters (=*<>,\|/) or start or end with spaces.
value	No	String	Tag value. A tag value contains a maximum of 43 Unicode characters and can be left blank. A tag value cannot contain special characters (=*<>,\|/) or start or end with spaces.

Response Parameters

Status code: 200

**Table 5** Response body parameters
Parameter	Type	Description
id	String	PTR record ID, which is in {region}:{floatingip_id} format
ptrdname	String	Domain name of the PTR record
description	String	PTR record description
ttl	Integer	PTR record caching duration (in seconds) on a local DNS server. The longer the duration is, the slower the update takes effect.
address	String	EIP
status	String	Resource status
action	String	Requested operation on the resource.Value options: CREATE, UPDATE, DELETE, NONE, CREATE, UPDATE, and DELETENONE: No operation will be performed.
links	pageLink object	Link of the current resource or other related resources. When a response is broken into pages, a next link is provided to retrieve all results.
enterprise_project_id	String	ID of the enterprise project associated with the PTR record. The value contains a maximum of 36 characters.

**Table 6** pageLink
Parameter	Type	Description
self	String	Link to the current resource
next	String	Link to the next page

Example Requests

Creating a PTR record for an EIP and setting its TTL to 300 seconds

POST https://{endpoint}/v2/reverse/floatingips/{region}:{floatingip_id}

{
  "ptrdname" : "www.example.com",
  "description" : "Description for this PTR record",
  "ttl" : 300,
  "tags" : [ {
    "key" : "key1",
    "value" : "value1"
  } ]
}

Example Responses

Status code: 200

Response to the request for configuring the PTR record of an EIP

{
  "id" : "region_id:c5504932-bf23-4171-b655-b87a6bc59334",
  "ptrdname" : "www.example.com.",
  "description" : "Description for this PTR record",
  "address" : "10.154.52.138",
  "action" : "CREATE",
  "ttl" : 300,
  "status" : "PENDING_CREATE",
  "links" : {
    "self" : "https://Endpoint/v2/reverse/floatingips/region_id:c5504932-bf23-4171-b655-b87a6bc59334"
  },
  "enterprise_project_id" : 0
}