Function

This API is used to obtain certificates of a specified cluster in form of kubeconfig file.

URI

GET /api/v3/projects/{project_id}/clusters/{cluster_id}/clustercert

Table 1 describes the parameters of this API.

**Table 1** Description
Parameter	Mandatory	Description
project_id	Yes	Project ID. For details about how to obtain the project ID, see How to Obtain Parameters in the API URI.
cluster_id	Yes	Cluster ID. For details about how to obtain the cluster ID, see How to Obtain Parameters in the API URI.

Request

Request parameters:

Table 2 describes the request parameters.

**Table 2** Parameters in the request header
Parameter	Mandatory	Description
Content-Type	Yes	Message body type (format). Possible values: application/json;charset=utf-8 application/json
X-Auth-Token	Yes	Requests for calling an API can be authenticated using either a token or AK/SK. If token-based authentication is used, this parameter is mandatory and must be set to a user token. For details on how to obtain a user token, see API Usage Guidelines.

Example request:

N/A

Response

Response parameters:

Table 3 describes the response parameters.

**Table 3** Response parameters
Parameter	Type	Description
kind	String	API type. The value is fixed at Config and cannot be changed.
apiVersion	String	API version. The value is fixed at v1 and cannot be changed.
preferences	-	This field is not used currently and is left unspecified by default.
clusters	clusters object	Cluster list.
users	users object	-
contexts	contexts object	Context list.
current-context	String	Current context.

**Table 4** Data structure of the **clusters** field
Parameter	Type	Description
name	String	Cluster name. If the publicIp parameter does not exist (that is, no EIP exists), there is only one cluster in the cluster list, and the value of this parameter is internalCluster. If the publicIp parameter exists (that is, the EIP exists), there is more than one cluster in the cluster list, and the value of this parameter is externalCluster.
cluster	cluster object	Cluster information.

**Table 5** Data structure of the **cluster** field
Parameter	Type	Description
server	String	Node IP address.
certificate-authority-data	String	Certificate authorization data.

**Table 6** Data structure of the **users** field
Parameter	Type	Description
name	String	The value is fixed to user.
user	user object	Stores the certificate information and ClientKey information of a specified user.

**Table 7** Data structure of the **user** field
Parameter	Type	Description
client-certificate-data	String	Client certificate.
client-key-data	String	Contains PEM encoding data from the TLS client key file.

**Table 8** Data structure of the **contexts** field
Parameter	Type	Description
name	String	Context name. If the publicIp parameter does not exist (that is, no EIP exists), there is only one cluster in the cluster list, and the value of this parameter is internal. If the publicIp parameter exists (that is, the EIP exists), there is more than one cluster in the cluster list, and the value of this parameter is external.
context	context object	Context information.

**Table 9** Data structure of the **context** field
Parameter	Type	Description
cluster	String	Cluster context.
user	String	User context.

Response example:

{
    "kind": "Config",
    "apiVersion": "v1",
    "preferences": {},
    "clusters": [
        {
            "name": "internalCluster",
            "cluster": {
                "server": "https://192.168.1.7:5443",
                "certificate-authority-data": ""
            }
        }
    ],
    "users": [
        {
            "name": "user",
            "user": {
                "client-certificate-data": "",
                "client-key-data": ""
            }
        }
    ],
    "contexts": [
        {
            "name": "internal",
            "context": {
                "cluster": "internalCluster",
                "user": "user"
            }
        }
    ],
    "current-context": "internal"
}

Status Code

Table 10 describes the status code of this API.

**Table 10** Status code
Status Code	Description
200	Certificates of the specified cluster are successfully obtained.

For details about error status codes, see Status Code.

Obtaining Cluster Certificates (Deprecated)

Function

URI

Request

Response

Status Code