Azure Key Vault Connection - Infisical

Infisical currently only supports two methods for connecting to Azure, which are OAuth and Client Secrets.

<Accordion title="Self-Hosted Instance"> Using the Azure Key Vault connection on a self-hosted instance of Infisical requires configuring an application in Azure and registering your instance with it.

Prerequisites:

Set up Azure and have an existing Key Vault instance.

<Steps> <Step title="Create an application in Azure"> Navigate to Azure Active Directory > App registrations to create a new application.

  <Info>
    Azure Active Directory is now Microsoft Entra ID.
  </Info>
  ![Azure key vault](/images/integrations/azure-app-configuration/config-aad.png)
  ![Azure key vault](/images/integrations/azure-app-configuration/config-new-app.png)

  Create the application. As part of the form, set the **Redirect URI** to `https://your-domain.com/organization/app-connections/azure/oauth/callback`.
  <Tip>
    The domain you defined in the Redirect URI should be equivalent to the `SITE_URL` configured in your Infisical instance.
  </Tip>

  ![Azure key vault](/images/app-connections/azure/register-callback.png)
</Step>
<Step title="Assign API permissions to the application">

  For the Azure Connection to work with Key Vault, you need to assign multiple permissions to the application.

  #### Azure Key Vault permissions

  Set the API permissions of the Azure application to include `user.impersonation` for the Key Vault API.
  ![Azure key vault](/images/app-connections/azure/keyvault-azure-permissions.png)

</Step>
<Step title="Add your application credentials to Infisical">
  Obtain the **Application (Client) ID** in Overview and generate a **Client Secret** in Certificate & secrets for your Azure application.

  ![Azure key vault](../../images/integrations/azure-app-configuration/config-credentials-1.png)
  ![Azure key vault](../../images/integrations/azure-app-configuration/config-credentials-2.png)
  ![Azure key vault](../../images/integrations/azure-app-configuration/config-credentials-3.png)

  Back in your Infisical instance, add two new environment variables for the credentials of your Azure application.

  - `INF_APP_CONNECTION_AZURE_KEY_VAULT_CLIENT_ID`: The **Application (Client) ID** of your Azure application.
  - `INF_APP_CONNECTION_AZURE_KEY_VAULT_CLIENT_SECRET`: The **Client Secret** of your Azure application.

  Once added, restart your Infisical instance and use the Azure Key Vault connection.
</Step>
</Steps>

</Accordion> <Accordion title="Client Secret Authentication"> To use client secret authentication, ensure your Azure Service Principal has the required permissions and is connected to the Azure Key Vault instances you want to use.

Prerequisites:

Set up Azure and have an existing Key Vault instance.
The service principal must be connected to your target Azure Key Vault instance(s)

  Configure the required API permissions for your App Registration to interact with Azure Key Vault:

  #### Azure Key Vault permissions

  Set the API permissions of your Azure service principal to include `user_impersonation` for the Key Vault API.
  ![Azure key vault](/images/app-connections/azure/keyvault-azure-permissions.png)

</Step>

</Steps> </Accordion>

Setup Azure Connection in Infisical

<Steps> <Step title="Navigate to App Connections"> Navigate to the **Integrations** tab in the desired project, then select **App Connections**. ![App Connections Tab](/images/app-connections/general/add-connection.png) </Step> <Step title="Add Connection"> Select the **Azure Connection** option from the connection options modal. ![Select Azure Connection](/images/app-connections/azure/key-vault/select-connection.png) </Step> <Step title="Create Connection"> <Tabs> <Tab title="OAuth"> <Steps> <Step title="Authorize Connection"> You can optionally authenticate against a specific tenant by providing the Azure Tenant or Directory ID.

        Now select the **OAuth** method and click **Connect to Azure**. 

        ![Connect via Azure OAUth](/images/app-connections/azure/key-vault/create-oauth-method.png)

        

      </Step>
      <Step title="Grant Access">
        You will then be redirected to Azure to grant Infisical access to your Azure account. Once granted,
        you will redirect you back to Infisical's App Connections page. ![Azure Key Vault
        Authorization](/images/app-connections/azure/grant-access.png)
      </Step>
    </Steps>
  </Tab>
  <Tab title="Client Secret">
    <Steps>
      <Step title="Create Connection">
        Fill in the **Tenant ID**, **Client ID**, **Client Secret** fields with the Directory (Tenant) ID, Application (Client) ID, Client Secret you obtained in the previous step.

        ![Connect via Azure OAUth](/images/app-connections/azure/key-vault/create-client-secrets-method.png)

        <Tip>
            You can optionally enable **Automatic Credential Rotation** for this connection. See the [Automatic Credential Rotation](#automatic-credential-rotation) section below for details.
        </Tip>
      </Step>
    </Steps>
  </Tab>
</Tabs>

</Step> <Step title="Connection Created"> Your **Azure Key Vault Connection** is now available for use. ![Assume Role AWS Connection](/images/app-connections/azure/key-vault/oauth-connection.png) </Step> </Steps>

Automatic Credential Rotation

When using the Client Secret authentication method, Infisical can automatically rotate the Client Secret of your Azure application on a recurring schedule. When enabled, Infisical will immediately generate a new Client Secret on connection creation and revoke the original one, ensuring that no external party retains access using the credentials you provided.

<Note> Automatic Credential Rotation is only available for the **Client Secret** authentication method. </Note> <Steps> <Step title="Locate the Key ID of your Client Secret"> Before enabling rotation, you'll need the **Key ID** of the Client Secret you are using to authenticate. Navigate to your App Registration in the Azure Portal, then go to **Certificates & secrets**. Copy the **Secret ID** (Key ID) of the secret you are providing to Infisical.

    ![Azure Client Secret Key ID](/images/app-connections/azure/key-vault/credential-rotation-key-id.png)
</Step>
<Step title="Enable Automatic Credential Rotation">
    When creating or editing your connection, toggle on the **Automatic Credential Rotation** switch.

    ![Enable Automatic Credential Rotation](/images/app-connections/azure/key-vault/credential-rotation-toggle.png)
</Step>
<Step title="Provide the Client Secret Key ID">
    Enter the **Key ID** you copied in the previous step into the **Client Secret Key ID** field. Infisical uses this to revoke your original secret after generating a new one.

    ![Client Secret Key ID Field](/images/app-connections/azure/key-vault/credential-rotation-key-id-field.png)
</Step>
<Step title="Configure the Rotation Schedule">
    Set the **Rotation Interval** (in days) to define how often the credential should be rotated, and set **Rotate At** to the local time of day at which the rotation should occur.

    - **Rotation Interval** – How many days between each rotation.
    - **Rotate At** – The local time of day at which the rotation will be triggered.

    ![Rotation Schedule](/images/app-connections/azure/key-vault/credential-rotation-schedule.png)
</Step>

</Steps>