Destination rules are critical resources of Alibaba Cloud Service Mesh (ASM) instances. Destination rules define policies for the traffic that is intended for a service after routing has occurred, such as the policies for service subsets and Envoy proxies. This topic describes how to create, modify, and delete a destination rule.

Create a destination rule

  1. Log on to the ASM console.
  2. In the left-side navigation pane, choose Service Mesh > Mesh Management.
  3. On the Mesh Management page, find the ASM instance that you want to configure. Click the name of the ASM instance or click Manage in the Actions column of the ASM instance.
  4. On the details page of the ASM instance, choose Traffic Management > DestinationRule in the left-side navigation pane. On the DestinationRule page, click Create.
  5. In the Create panel, set the parameters and click OK.
    1. Select a namespace from the Namespaces drop-down list.
    2. In the code editor, enter code to configure a destination rule.
    On the DestinationRule page, you can view the created destination rule.

Modify a destination rule

  1. Log on to the ASM console.
  2. In the left-side navigation pane, choose Service Mesh > Mesh Management.
  3. On the Mesh Management page, find the ASM instance that you want to configure. Click the name of the ASM instance or click Manage in the Actions column of the ASM instance.
  4. On the details page of the ASM instance, choose Traffic Management > DestinationRule in the left-side navigation pane.
  5. On the DestinationRule page, find the destination rule that you want to modify and click YAML in the Actions column.
  6. In the Edit panel, modify the destination rule and click OK.

Delete a destination rule

  1. Log on to the ASM console.
  2. In the left-side navigation pane, choose Service Mesh > Mesh Management.
  3. On the Mesh Management page, find the ASM instance that you want to configure. Click the name of the ASM instance or click Manage in the Actions column of the ASM instance.
  4. On the details page of the ASM instance, choose Traffic Management > DestinationRule in the left-side navigation pane.
  5. On the DestinationRule page, find the destination rule that you want to delete and click Delete in the Actions column.
  6. In the Submit message, click OK.
    The destination rule disappears from the DestinationRule page.