Connect components with public IP

Instances can be accessed by associating a public IP to their components.

Associate public IP to instance

1. Go to the KakaoCloud console > Analytics > Hadoop Eco menu.

2. In the Cluster menu, select the cluster.

3. In the Node info tab, choose the node instance to associate with a public IP.

4. In the top-right corner, under Instance actions, click the [Associate public IP] button.

5. In the popup, fill in the required details and click the [OK] button.

   info

   After setting a public IP, you need to configure inbound permissions in the security group.

   Field	Description
   Instance name / private IP	Displays the selected instance name and private IP information
   Assign public IP	Choose between Create new public IP and assign it automatically or Select from existing public IPs

6. After connecting to the cluster component via the public IP, verify the screen as shown below.

   HDFS NameNode page

Attach public IP to load balancer

After attaching a public IP to the load balancer, you can connect multiple components using the same public IP with different ports. Configure listeners and target groups to connect resources and resource managers.

info

Before attaching a public IP, ensure that the load balancer, listener, and target group are preconfigured.

1. Go to KakaoCloud console > Beyond Networking Service > Load Balancer Load Balancer**.
2. In the Load Balancer menu, select a load balancer.
3. On the load balancer details page, click the [More] icon > Associate public IP.
4. In the Public IP Attachment Settings popup, enter the required information and click [Save].

info

After configuring the public IP, you need to configure Inbound rules in the security group.

Category	Description
Load balancer name / Private IP	Verify the selected load balancer's name and private IP information.
Assign public IP	Choose between Create new public IP and assign it automatically and Select from existing public IP list.

5. After attaching the public IP, verify the attached public IP information in the Details tab.

   
   Load Balancer Details

6. In the Listener tab, verify the connected target groups.

   
   Listener tab

7. In the Target Group menu, verify the connected resources.

   
   Target group tab

8. After connecting the cluster components via public IP, verify the screen below.

   
   Hadoop Eco Cluster Component Connection