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readme.md

DISCLAIMER: The samples in this readme are for azure-authentication-msi-token-provider. This SDK has been deprecated. Please use azure-identity for authentication support. If you have existing code that uses the library, please use the Migration Guide to migrate to azure-identity.

What is this?

The "msi-auth-token-provider" jar is a library that enables :

  • Azure VMs and container instances and
  • Web Apps (functions included) Retrieve authentication tokens for system/user assigned managed identities.

This is a lightweight library that does not have many dependencies.

Usage

Dependency

Take a dependency on the library in your pom file like the following

  <dependencies>
      <dependency>
          <groupId>com.microsoft.azure.msi_auth_token_provider</groupId>
          <artifactId>azure-authentication-msi-token-provider</artifactId>
          <version>1.0.0-beta</version>
      </dependency>
  </dependencies>

Getting the token

Add the following import statement to get in all the classes in the jar

import com.microsoft.azure.msiAuthTokenProvider.*;

Getting a token for system assigned identity

Use the following code to get the auth token for System assigned identity :

...
    MSICredentials credsProvider = MSICredentials.getMSICredentials();
    MSIToken token = credsProvider.getToken(null);
    String tokenValue = token.accessToken();
...

Getting a token for user assigned identity

Using the client Id for the user assigned identity :

Use the following code to get the auth token for a User assigned identity :

...
    MSICredentials credsProvider = MSICredentials.getMSICredentials();
    credsProvider.updateClientId(clientId);
    MSIToken token = credsProvider.getToken(null);
    String tokenValue = token.accessToken();
...

Where clientId is retrieved from the User Assigned Identity (This is currently only supported from within the portal).

Using the object Id for the user assigned identity :

Use the following code to get the auth token for an User assigned identity :

...
    MSICredentials credsProvider = MSICredentials.getMSICredentials();
    credsProvider.updateObjectId(objectId);
    MSIToken token = credsProvider.getToken(null);
    String tokenValue = token.accessToken();
...

Where objectId is retrieved from the User Assigned Identity (This is currently only supported from within the portal).

Impressions