How to use

getOwnerFromLoginModule

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#getOwnerFromLoginModule()} method.
 */
@Test
public void getOwnerFromLoginModule() 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.getOwnerFromLoginModule(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());
 Assert.assertEquals("test_login_user", SecurityUtils.getOwnerFromLoginModule(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);
}

try (JournalContext context = createJournalContext()) {
 mInodeTree.initializeRoot(
   SecurityUtils.getOwnerFromLoginModule(ServerConfiguration.global()),
   SecurityUtils.getGroupFromLoginModule(ServerConfiguration.global()),
   ModeUtils.applyDirectoryUMask(Mode.createFullAccess(),
String serverOwner = SecurityUtils.getOwnerFromLoginModule(ServerConfiguration.global());
if (SecurityUtils.isSecurityEnabled(ServerConfiguration.global())
  && !root.getOwner().isEmpty() && !root.getOwner().equals(serverOwner)) {

if (root == null) {
 try (JournalContext context = createJournalContext()) {
  mInodeTree.initializeRoot(SecurityUtils.getOwnerFromLoginModule(),
    SecurityUtils.getGroupFromLoginModule(),
    Mode.createFullAccess().applyDirectoryUMask(), context);
 String serverOwner = SecurityUtils.getOwnerFromLoginModule();
 if (SecurityUtils.isSecurityEnabled() && !root.getOwner().isEmpty()
   && !root.getOwner().equals(serverOwner)) {