Connecting to an Instance Using a Private Domain Name

Creating a Private Domain Name

1. Log in to the DNS console.
2. On the displayed page, click Private Zones.
   Figure 1 Private zones
   

3. Click Create Private Zone.
   Figure 2 Creating a private zone
   

4. Set parameters as prompted.
   Figure 3 Create Private Zone
   

   Table 1 Parameter description

   Parameter	Description	Example Value
   Domain Name	Domain name of a private zone You can enter a top-level domain that complies with the domain naming rules. For details about the domain name format, see Domain Name Format and DNS Hierarchy.	example.com
   Region	Region where a tenant is located	CN East-Shanghai1
   VPC	The VPC associated with the private domain name must be the same as the VPC where the GeminiDB Redis instance is located. Otherwise, the private domain name cannot be resolved.	-
   Enterprise Project	Enterprise project associated with the private domain name. You can manage private domain names by enterprise project. NOTE: This parameter is available and mandatory only when Account Type is set to Enterprise Account. Configuration notes: If you do not manage domain names by enterprise project, select default. If you manage domain names by enterprise project, select an existing enterprise project.	default
   Tag	(Optional) Identifier of a resource. Each tag contains a key and a value. You can add a maximum of 20 tags to a domain name. Key and value naming rules: Key: Cannot be left blank. Must be unique for each resource. Can contain a maximum of 128 characters. Can contain letters, digits, spaces, and special characters _.:=+-@ but cannot start or end with a space or start with _sys_. Value: Can contain a maximum of 255 characters. Can contain letters, digits, spaces, and the following special characters: _.:/=+-@	example_key1 example_value1
   Description	(Optional) Description of the zone, which cannot exceed 255 characters	This is a zone example.

5. Click OK. On the Private Zones page, view the created private domain name in the zone list.
   If the status of the private domain name is Normal, the domain name has been successfully created.

   Figure 4 Private domain name status
   

Adding a Record Set for a Domain Name

After creating a private domain name, configure a record set for it so that you can access instances using the domain name.

1. Click the private domain name you created. On the displayed page, click Add Record Set in the upper right corner.
   Figure 5 Adding a record set
   

2. In the displayed Add Record Set dialog box, set parameters as prompted.

   Value: Enter the load balancer IP address.

   Figure 6 Adding a record set
   

   For details about how to configure parameters, see Adding Record Sets for a Private Zone.

3. Click OK.
4. Switch back to the Record Sets page.
5. View the created record set in the record set list. If the status of the record set is Normal, the record set is added successfully.

1. Log in to the ECS. For details, see Logging In to an ECS in Getting Started with Elastic Cloud Server.
2. Obtain the Redis client.

   Method 1

   Run the following command to download the Redis client.

   wget http://download.redis.io/releases/redis-6.2.0.tar.gz

   Method 2

   Download the Redis client from the address provided in Prerequisites and upload the Redis client installation package to the ECS.

3. Decompress the client package.

   tar -xzf redis-6.2.0.tar.gz

4. Open the src directory and connect to the DB instance.

   cd redis-6.2.0

   make

   cd src

   ./redis-cli -h <DB_Domain_Name> -p <DB_PORT> -a <DB_PWD>

   Example:

   ./redis-cli -h redis.com -p 6379 -a <DB_PWD>

   Table 2 Parameter description

   Parameter	Description
   <DB_Domain_Name>	Private domain name of the instance to be connected. The private domain name is the one created in Configuring a Private Domain Name of the GeminiDB Redis Instance.
   <DB_PORT>	Port for accessing the target instance. Configure this parameter based on service requirements. To obtain the port number, perform the following steps: Click the instance name to go to the Basic Information page. In the Connection Information area, you can see the instance port.
   <DB_PWD>	Administrator password set when you buy a GeminiDB Redis instance

5. Check the results. If the following information is displayed, the connection is successful.

   Domain_Name:port>