Creating a Cluster Connection on the Flink Web UI

Scenario

Different clusters can be accessed by configuring the cluster connection.

Creating a Cluster Connection

1. Access the Flink web UI. For details, see Accessing the Flink Web UI.
2. Choose System Management > Cluster Connection Management. The Cluster Connection Management page is displayed.
3. Click Create Cluster Connection. On the displayed page, set parameters by referring to Table 1 and click OK.

   Table 1 Parameters for creating a cluster connection

   Parameter	Description
   Cluster Connection Name	Name of the cluster connection, which can contain a maximum of 100 characters. Only letters, digits, and underscores (_) are allowed.
   Description	Description of the cluster connection name.
   FusionInsight HD Version	Set a cluster version.
   Secure Version	If the secure version is used, select Yes for a security cluster. Enter the username and upload the user credential. If not, select No.
   Username	The user must have the minimum permissions for accessing services in the cluster. The name can contain a maximum of 100 characters. Only letters, digits, and underscores (_) are allowed. This parameter is available only when Secure Version is set to Yes.
   Client Profile	Client profile of the cluster, in TAR format.
   User Credential	User authentication credential in FusionInsight Manager in TAR format. This parameter is available only when Secure Version is set to Yes. Files can be uploaded only after the username is entered.

   

   To obtain the cluster client configuration files, perform the following steps:

   1. Log in to FusionInsight Manager and choose Cluster > Dashboard.
   2. Choose More > Download Client > Configuration Files Only, select a platform type, and click OK.

   To obtain the user credential, perform the following steps:

   1. Log in to FusionInsight Manager and click System.
   2. In the Operation column of the user, choose More > Download Authentication Credential, select a cluster, and click OK.

Editing a Cluster Connection

1. Access the Flink web UI. For details, see Accessing the Flink Web UI.
2. Choose System Management > Cluster Connection Management. The Cluster Connection Management page is displayed.
3. In the Operation column of the item to be modified, click Edit. On the displayed page, modify the connection information by referring to Table 1 and click OK.

Testing a Cluster Connection

1. Access the Flink web UI. For details, see Accessing the Flink Web UI.
2. Choose System Management > Cluster Connection Management. The Cluster Connection Management page is displayed.
3. In the Operation column of the item to be tested, click Test.

Searching for a Cluster Connection

1. Access the Flink web UI. For details, see Accessing the Flink Web UI.
2. Choose System Management > Cluster Connection Management. The Cluster Connection Management page is displayed.
3. In the upper right corner of the page, you can enter a search criterion to search for and view the cluster connection based on Cluster Connection Name.

Deleting a Cluster Connection

1. Access the Flink web UI. For details, see Accessing the Flink Web UI.
2. Choose System Management > Cluster Connection Management. The Cluster Connection Management page is displayed.
3. In the Operation column of the item to be deleted, click Delete, and click OK in the displayed page.