Java FileSystem.getAclStatus方法代码示例

import org.apache.hadoop.fs.FileSystem; //导入方法依赖的package包/类
@Test
public void testCustomProvider() throws Exception {
  FileSystem fs = FileSystem.get(miniDFS.getConfiguration(0));
  fs.mkdirs(new Path("/user/xxx"));
  FileStatus status = fs.getFileStatus(new Path("/user/xxx"));
  Assert.assertEquals(System.getProperty("user.name"), status.getOwner());
  Assert.assertEquals("supergroup", status.getGroup());
  Assert.assertEquals(new FsPermission((short) 0755), status.getPermission());
  fs.mkdirs(new Path("/user/authz"));
  Path p = new Path("/user/authz");
  status = fs.getFileStatus(p);
  Assert.assertEquals("foo", status.getOwner());
  Assert.assertEquals("bar", status.getGroup());
  Assert.assertEquals(new FsPermission((short) 0770), status.getPermission());
  AclStatus aclStatus = fs.getAclStatus(p);
  Assert.assertEquals(1, aclStatus.getEntries().size());
  Assert.assertEquals(AclEntryType.GROUP, aclStatus.getEntries().get(0)
          .getType());
  Assert.assertEquals("xxx", aclStatus.getEntries().get(0)
          .getName());
  Assert.assertEquals(FsAction.ALL, aclStatus.getEntries().get(0)
          .getPermission());
  Map<String, byte[]> xAttrs = fs.getXAttrs(p);
  Assert.assertTrue(xAttrs.containsKey("user.test"));
  Assert.assertEquals(2, xAttrs.get("user.test").length);
}
 

import org.apache.hadoop.fs.FileSystem; //导入方法依赖的package包/类
/**
 * Simple acl tests on a directory: set a default acl, remove default acls.
 * @throws Exception
 */
private void testDirAcls() throws Exception {
  if ( isLocalFS() ) {
    return;
  }

  final String defUser1 = "default:user:glarch:r-x";

  FileSystem proxyFs = FileSystem.get(getProxiedFSConf());
  FileSystem httpfs = getHttpFSFileSystem();

  Path dir = getProxiedFSTestDir();

  /* ACL Status on a directory */
  AclStatus proxyAclStat = proxyFs.getAclStatus(dir);
  AclStatus httpfsAclStat = httpfs.getAclStatus(dir);
  assertSameAcls(httpfsAclStat, proxyAclStat);

  /* Set a default ACL on the directory */
  httpfs.setAcl(dir, (AclEntry.parseAclSpec(defUser1,true)));
  proxyAclStat = proxyFs.getAclStatus(dir);
  httpfsAclStat = httpfs.getAclStatus(dir);
  assertSameAcls(httpfsAclStat, proxyAclStat);

  /* Remove the default ACL */
  httpfs.removeDefaultAcl(dir);
  proxyAclStat = proxyFs.getAclStatus(dir);
  httpfsAclStat = httpfs.getAclStatus(dir);
  assertSameAcls(httpfsAclStat, proxyAclStat);
}
 

import org.apache.hadoop.fs.FileSystem; //导入方法依赖的package包/类
/**
 * Determines if a file system supports ACLs by running a canary getAclStatus
 * request on the file system root.  This method is used before distcp job
 * submission to fail fast if the user requested preserving ACLs, but the file
 * system cannot support ACLs.
 *
 * @param fs FileSystem to check
 * @throws AclsNotSupportedException if fs does not support ACLs
 */
public static void checkFileSystemAclSupport(FileSystem fs)
    throws AclsNotSupportedException {
  try {
    fs.getAclStatus(new Path(Path.SEPARATOR));
  } catch (Exception e) {
    throw new AclsNotSupportedException("ACLs not supported for file system: "
      + fs.getUri());
  }
}
 

import org.apache.hadoop.fs.FileSystem; //导入方法依赖的package包/类
/**
 * Tests that ViewFileSystem dispatches calls for every ACL method through the
 * mount table to the correct underlying FileSystem with all Path arguments
 * translated as required.
 */
@Test
public void testAclMethods() throws Exception {
  Configuration conf = ViewFileSystemTestSetup.createConfig();
  FileSystem mockFs1 = setupMockFileSystem(conf, new URI("mockfs1:/"));
  FileSystem mockFs2 = setupMockFileSystem(conf, new URI("mockfs2:/"));
  FileSystem viewFs = FileSystem.get(FsConstants.VIEWFS_URI, conf);

  Path viewFsPath1 = new Path("/mounts/mockfs1/a/b/c");
  Path mockFsPath1 = new Path("/a/b/c");
  Path viewFsPath2 = new Path("/mounts/mockfs2/d/e/f");
  Path mockFsPath2 = new Path("/d/e/f");
  List<AclEntry> entries = Collections.emptyList();

  viewFs.modifyAclEntries(viewFsPath1, entries);
  verify(mockFs1).modifyAclEntries(mockFsPath1, entries);
  viewFs.modifyAclEntries(viewFsPath2, entries);
  verify(mockFs2).modifyAclEntries(mockFsPath2, entries);

  viewFs.removeAclEntries(viewFsPath1, entries);
  verify(mockFs1).removeAclEntries(mockFsPath1, entries);
  viewFs.removeAclEntries(viewFsPath2, entries);
  verify(mockFs2).removeAclEntries(mockFsPath2, entries);

  viewFs.removeDefaultAcl(viewFsPath1);
  verify(mockFs1).removeDefaultAcl(mockFsPath1);
  viewFs.removeDefaultAcl(viewFsPath2);
  verify(mockFs2).removeDefaultAcl(mockFsPath2);

  viewFs.removeAcl(viewFsPath1);
  verify(mockFs1).removeAcl(mockFsPath1);
  viewFs.removeAcl(viewFsPath2);
  verify(mockFs2).removeAcl(mockFsPath2);

  viewFs.setAcl(viewFsPath1, entries);
  verify(mockFs1).setAcl(mockFsPath1, entries);
  viewFs.setAcl(viewFsPath2, entries);
  verify(mockFs2).setAcl(mockFsPath2, entries);

  viewFs.getAclStatus(viewFsPath1);
  verify(mockFs1).getAclStatus(mockFsPath1);
  viewFs.getAclStatus(viewFsPath2);
  verify(mockFs2).getAclStatus(mockFsPath2);
}
 

import org.apache.hadoop.fs.FileSystem; //导入方法依赖的package包/类
/**
 * Simple ACL tests on a file:  Set an acl, add an acl, remove one acl,
 * and remove all acls.
 * @throws Exception
 */
private void testFileAcls() throws Exception {
  if ( isLocalFS() ) {
    return;
  }

  final String aclUser1 = "user:foo:rw-";
  final String aclUser2 = "user:bar:r--";
  final String aclGroup1 = "group::r--";
  final String aclSet = "user::rwx," + aclUser1 + ","
          + aclGroup1 + ",other::---";

  FileSystem proxyFs = FileSystem.get(getProxiedFSConf());
  FileSystem httpfs = getHttpFSFileSystem();

  Path path = new Path(getProxiedFSTestDir(), "testAclStatus.txt");
  OutputStream os = proxyFs.create(path);
  os.write(1);
  os.close();

  AclStatus proxyAclStat = proxyFs.getAclStatus(path);
  AclStatus httpfsAclStat = httpfs.getAclStatus(path);
  assertSameAcls(httpfsAclStat, proxyAclStat);

  httpfs.setAcl(path, AclEntry.parseAclSpec(aclSet,true));
  proxyAclStat = proxyFs.getAclStatus(path);
  httpfsAclStat = httpfs.getAclStatus(path);
  assertSameAcls(httpfsAclStat, proxyAclStat);

  httpfs.modifyAclEntries(path, AclEntry.parseAclSpec(aclUser2, true));
  proxyAclStat = proxyFs.getAclStatus(path);
  httpfsAclStat = httpfs.getAclStatus(path);
  assertSameAcls(httpfsAclStat, proxyAclStat);

  httpfs.removeAclEntries(path, AclEntry.parseAclSpec(aclUser1, true));
  proxyAclStat = proxyFs.getAclStatus(path);
  httpfsAclStat = httpfs.getAclStatus(path);
  assertSameAcls(httpfsAclStat, proxyAclStat);

  httpfs.removeAcl(path);
  proxyAclStat = proxyFs.getAclStatus(path);
  httpfsAclStat = httpfs.getAclStatus(path);
  assertSameAcls(httpfsAclStat, proxyAclStat);
}
 

import org.apache.hadoop.fs.FileSystem; //导入方法依赖的package包/类
/**
 * Executes the filesystem operation.
 *
 * @param fs filesystem instance to use.
 *
 * @return a Map object (JSON friendly) with the file status.
 *
 * @throws IOException thrown if an IO error occurred.
 */
@Override
public Map execute(FileSystem fs) throws IOException {
  AclStatus status = fs.getAclStatus(path);
  return aclStatusToJSON(status);
}