How to use

getGroupFromLoginModule

method

in

alluxio.util.SecurityUtils

 private CreateUfsFileOptions(AlluxioConfiguration alluxioConf) {
  mOwner = SecurityUtils.getOwnerFromLoginModule(alluxioConf);
  mGroup = SecurityUtils.getGroupFromLoginModule(alluxioConf);
  mMode = ModeUtils.applyFileUMask(Mode.defaults(), alluxioConf
    .get(PropertyKey.SECURITY_AUTHORIZATION_PERMISSION_UMASK));
  // TODO(chaomin): set permission based on the alluxio file. Not needed for now since the
  // file is always created with default permission.
 }
}

 private CompleteUfsFileOptions(AlluxioConfiguration alluxioConf) {
  mOwner = SecurityUtils.getOwnerFromLoginModule(alluxioConf);
  mGroup = SecurityUtils.getGroupFromLoginModule(alluxioConf);
  mMode = ModeUtils.applyFileUMask(Mode.defaults(),
    alluxioConf.get(PropertyKey.SECURITY_AUTHORIZATION_PERMISSION_UMASK));
  // TODO(chaomin): set permission based on the alluxio file. Not needed for now since the
  // file is always created with default permission.
 }
}

 /**
  * Tests the {@link SecurityUtils#getGroupFromLoginModule()} method.
  */
 @Test
 public void getGroupFromLoginModuleError() throws Exception {
  // When security is not enabled, user and group are not set
  mConfiguration.set(PropertyKey.SECURITY_AUTHENTICATION_TYPE, AuthType.NOSASL.getAuthName());
  Assert.assertEquals("", SecurityUtils.getGroupFromLoginModule(mConfiguration));

  // When authentication is enabled, user and group are inferred from login module
  mConfiguration.set(PropertyKey.SECURITY_AUTHENTICATION_TYPE, AuthType.SIMPLE.getAuthName());
  mConfiguration.set(PropertyKey.SECURITY_LOGIN_USERNAME, "test_login_user");
  mConfiguration.set(PropertyKey.SECURITY_GROUP_MAPPING_CLASS,
    IdentityUserGroupsMapping.class.getName());
  LoginUserTestUtils.resetLoginUser();
  Assert.assertEquals("test_login_user", SecurityUtils.getGroupFromLoginModule(mConfiguration));
 }
}

private OutStreamOptions(AlluxioConfiguration alluxioConf) {
 mBlockSizeBytes = alluxioConf.getBytes(PropertyKey.USER_BLOCK_SIZE_BYTES_DEFAULT);
 mTtl = Constants.NO_TTL;
 mTtlAction = TtlAction.DELETE;
 mLocationPolicy =
   CommonUtils.createNewClassInstance(alluxioConf.<FileWriteLocationPolicy>getClass(
     PropertyKey.USER_FILE_WRITE_LOCATION_POLICY), new Class[] {AlluxioConfiguration.class},
     new Object[] {alluxioConf});
 mWriteTier = alluxioConf.getInt(PropertyKey.USER_FILE_WRITE_TIER_DEFAULT);
 mWriteType = alluxioConf.getEnum(PropertyKey.USER_FILE_WRITE_TYPE_DEFAULT, WriteType.class);
 mOwner = SecurityUtils.getOwnerFromLoginModule(alluxioConf);
 mGroup = SecurityUtils.getGroupFromLoginModule(alluxioConf);
 mMode = ModeUtils.applyFileUMask(Mode.defaults(), alluxioConf
   .get(PropertyKey.SECURITY_AUTHORIZATION_PERMISSION_UMASK));
 mMountId = IdUtils.INVALID_MOUNT_ID;
 mReplicationDurable = alluxioConf.getInt(PropertyKey.USER_FILE_REPLICATION_DURABLE);
 mReplicationMax = alluxioConf.getInt(PropertyKey.USER_FILE_REPLICATION_MAX);
 mReplicationMin = alluxioConf.getInt(PropertyKey.USER_FILE_REPLICATION_MIN);
}

mInodeTree.initializeRoot(
  SecurityUtils.getOwnerFromLoginModule(ServerConfiguration.global()),
  SecurityUtils.getGroupFromLoginModule(ServerConfiguration.global()),
  ModeUtils.applyDirectoryUMask(Mode.createFullAccess(),
    ServerConfiguration.get(PropertyKey.SECURITY_AUTHORIZATION_PERMISSION_UMASK)),

try (JournalContext context = createJournalContext()) {
 mInodeTree.initializeRoot(SecurityUtils.getOwnerFromLoginModule(),
   SecurityUtils.getGroupFromLoginModule(),
   Mode.createFullAccess().applyDirectoryUMask(), context);
 context.append(mInodeTree.getRoot().toJournalEntry());