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Setting up Azure Active Directory SSO for Dagster+#

This guide is applicable to Dagster+.

In this guide, you'll configure Azure Active Directory (AD) to use single sign-on (SSO) with your Dagster+ organization.

Prerequisites#

To complete the steps in this guide, you'll need:

Step 1: Add the Dagster+ app in Azure AD#

In this step, you'll add the Dagster+ app to your list of managed SaaS apps in Azure AD.

  1. Sign in to the Azure portal.
  2. On the left navigation pane, click the Azure Active Directory service.
  3. Navigate to Enterprise Applications and then All Applications.
  4. Click New application.
  5. In the Add from the gallery section, type Dagster+ in the search box.
  6. Select Dagster+ from the results panel and then add the app. Wait a few seconds while the app is added to your tenant.

Step 2: Configure SSO in Azure AD#

In this step, you'll configure and enable SSO for Azure AD in your Azure portal.

  1. On the Dagster+ application integration page, locate the Manage section and select single sign-on.

  2. On the Select a single sign-on method page, select SAML.

  3. On the Set up single sign-on with SAML page, click the pencil icon for Basic SAML Configuration to edit the settings.

    Settings Dropdown

  4. In the Basic SAML Configuration section, fill in the Identifier and Reply URL fields as follows:

    Copy and paste the following URL, replacing <organization_name> with your Dagster+ organization name:

    https://<organization_name>.dagster.cloud/auth/saml/consume

  5. Click Set additional URLs.

  6. In the Sign-on URL field, copy and paste the URL you entered in the Identifier and Reply URL fields.

  7. Next, you'll configure the SAML assertions. In addition to the default attributes, Dagster+ requires the following:

    • FirstName - user.givenname
    • LastName - user.surname
    • Email - user.userprincipalname

    Add these attribute mappings to the SAML assertion.

  8. On the Set up single sign-on with SAML page:

    1. Locate the SAML Signing Certificate section.

    2. Next to Federation Metadata XML, click Download:

      Download SAML Certificate

    When prompted, save the SAML metadata file to your computer.

Step 3: Upload the SAML metadata to Dagster+#

After you've downloaded the SAML metadata file, upload it to Dagster+ using the dagster-cloud CLI:

dagster-cloud organization settings saml upload-identity-provider-metadata <path/to/metadata> \
   --api-token=<user_token> \
   --url https://<organization_name>.dagster.cloud

Step 4: Create a test user#

In this section, you'll create a test user in the Azure portal.

  1. From the left pane in the Azure portal, click Azure Active Directory.
  2. Click Users > All users.
  3. Click New user at the top of the screen.
  4. In User properties, fill in the following fields:
    • Name: Enter B.Simon.
    • User name: Enter B.Simon@contoso.com.
    • Select the Show password check box and write down the value displayed in the Password box.
  5. Click Create.

Step 5: Test your SSO configuration#

Lastly, you'll test your SSO configuration:

Testing a service provider-initiated login#

  1. Navigate to your Dagster+ sign in page at https://<organization_name>.dagster.cloud

  2. Click the Sign in with SSO button.

  3. Initiate the login flow and address issues that arise, if any.

Testing an identity provider-initiated login#

Click Test this application in the Azure portal. If successful, you'll be automatically signed into your Dagster+ organization.