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GKE Maintenance Windows

Configuring GKE maintenance windows in the DuploCloud Portal

You can configure maintenance windows and maintenance exclusions for your GKE clusters in the DuploCloud Portal. This lets you define when automatic upgrades and maintenance tasks are allowed, giving you more control over downtime and deployment planning.

Configuring GKE Maintenance Windows

  1. In the DuploCloud Portal, navigate to Administrator → Infrastructure.

  2. In the NAME column, click your Infrastructure name.

  3. Select the GKE tab.

  4. Open the Actions menu, and select Edit GKE Maintenance Policy. The Edit GKE Maintenance Policy pane displays.

    The Edit GKE Maintenance Policy pane

  5. Complete the following fields:

Recurrence Start Time

Select the maintenance window start time (e.g., 2025-05-26 00:00).

Recurrence End Time

Select the maintenance window end time (e.g., 2025-05-26 04:00).

Recurrence Rule

Enter an RFC 5545 recurrence rule, (e.g., FREQ=WEEKLY;BYDAY=MO,WE,FR).

  1. Optionally, click the add button (+) next to Configure Maintenance Exclusions. Maintenance exclusions prevent GKE upgrades during specified periods, which is especially useful when your business needs require zero downtime during certain periods.

  2. Configure maintenance exclusions, as needed:

Scope

Configure your maintenance exclusion scope, e.g., No upgrades , No minor upgrades, or No minor or node upgrades.

Start Time

Set the time when the exclusion period begins (e.g., 2025-05-28 09:00).

End Time

Set the time when the exclusion period ends (e.g., 2025-05-28 17:00).

  1. Click Save to save your maintenance policy.

The GKE tab for the DuploCloud Auto Infrastructure with the Maintenance Policy configuration highlighted

Viewing, Editing, or Disabling GKE Maintenance Policies

  1. In the DuploCloud Portal, go to Administrator → Infrastructure.

  2. From the NAME column, select the Infrastructure where your GKE cluster is defined.

  3. Select the GKE tab.

  4. View the current GKE Maintenance Policy details in the Maintenance Policy area near the bottom of the screen.

    The GKE tab on the Infrastructure page with the Actions menu options highlighted

  5. Click the Actions menu in the upper-right corner for additional options:

    • Edit GKE Maintenance Policy: Opens the Edit GKE Maintenance Policy pane where you can define or update the maintenance window for your GKE cluster.

    • Disable GKE Maintenance Policy: Removes the current maintenance policy. GKE will then allow maintenance at any time.

  6. After saving your changes or disabling the policy, the new configuration will apply to your GKE cluster.

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