API Gateway: Deactivating/Decommissioning a Gateway Node from a Gateway Cluster

Products

• CA API Gateway

Issue/Introduction

This procedure will deactivate the node until the Gateway is restarted, at which point the node is automatically reactivated. For a more permanent deactivation, see Disabling a Gateway Node.

Environment

This article applies to all supported versions of the API Gateway.

Resolution

Manual Deletion

1. service ssg stop

2. remove node.properties

3. Remove Node from cluster_info table by following process below, "Removing a gateway node from cluster via the policy manager" 

Deactivating a Gateway Node

1. Log into the Layer 7 Gateway appliance as the ssgconfig user.
2. Select option 2 (Display Layer 7 Gateway configuration menu).
3. Select option 7 (Manage Layer 7 Gateway status). The status is displayed after a few seconds. Press [Enter] to continue.
4. Select option 1 (Stop the Layer 7 Gateway).
5. Exit all the menus and leave the Gateway main menu using option X (Exit (no reboot)).

Disabling a Gateway Node

This procedure will disable a node until you manually re-enable it by running this procedure again and entering Yes in step 5.

1. Log into the Layer 7 Gateway appliance as the ssgconfig user.
2. Select option 2 (Display Layer 7 Gateway configuration menu).
3. Select option 3 (Configure the Layer 7 Gateway). The configuration details are displayed after a few seconds.
4. Select option 4 (Node Configuration).
5. Enter No to disable the node.
6. Select option S (Save and exit), then press [Enter] to acknowledge the change.
7. Exit all the menus and leave the Gateway main menu using option X (Exit (no reboot)).

Removing a Gateway Node from the cluster via the Policy Manager

Once a node has been deactivated or disabled, you can remove it from the cluster using the Layer 7 Policy Manager.

1. Log into the Layer 7 Policy Manager as an administrative user.
2. Open the Dashboard in the Policy Manager
3. Select the [Cluster Status] tab.
4. In the Gateway Status list, right-click on the inactive node and then select Delete Node.
5. Removing a Gateway Node from the cluster via the Policy Manager