Deployment Preview

Argo CD Instances don’t fall under the category of ‘Deployment Target’, and does not support the idea of ‘Target Tags’, instead - Argo CD Application are annotated with [Scoping Annotations[(/docs/argo-cd/annotations)] to provide a similar mapping between project/environment and an output location (in this case, an Argo Application’s repository).

As this data isn’t readily visible during the step - we’ve added a drawer so you can see what applications will be updated given current Argo CD Application annotations.

This data is also visible via the Octopus Infrastructure pages - but having it on hand can make the process simpler.

Argo App Configuration

When you create a new Argo step, you’ll see in the Output section, a field titled Deployment Preview. The content of this field is dependent on the state of your system:

  • Have you already registered a gateway and Argo CD Instance?
  • If not, you will see the following - selecting the button will start the gateway registration process.

Deployment Preview With No Argo CD Gateways Registered

  • Have you applied Scoping annotations to any applications?
    • If not, you will need to add scoping annotations to your application(s).
    • You will see the following - selecting the button will open a drawer to aid in the creation of necessary annotation text

Deployment Preview No Apps Mapped

  • If you do have the annotations - you’ll be presented a button which will open the ‘Deployment Preview’ drawer when selected

Deployment Preview Button

  • Are git credentials available for all detected git repositories?
    • If not, you will see a warning triangle next to the application
    • A “Connect Git Credential” will appear next to the repository lacking credentials
    • Selecting this button will all you to create a new git credential, or add this url to an existing credential

Deployment Preview Drawer No Git Creds

  • Once all preconditions are met, you’ll see a Deployment Preview drawer, with no errors/warnings.
  • You’re free to deploy (and you can be confident which Applications are going to be updated.

Deployment Preview Drawer

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Page updated on Monday, September 15, 2025