Examples with PermissionStatus org.apache.hadoop.fs.permission.PermissionStatus used on opensource projects

Example 11 with PermissionStatus

use of org.apache.hadoop.fs.permission.PermissionStatus in project hadoop by apache.

the class FSDirMkdirOp method addImplicitUwx.

private static PermissionStatus addImplicitUwx(PermissionStatus parentPerm, PermissionStatus perm) {
    FsPermission p = parentPerm.getPermission();
    FsPermission ancestorPerm = new FsPermission(p.getUserAction().or(FsAction.WRITE_EXECUTE), p.getGroupAction(), p.getOtherAction());
    return new PermissionStatus(perm.getUserName(), perm.getGroupName(), ancestorPerm);
}

Example 12 with PermissionStatus

use of org.apache.hadoop.fs.permission.PermissionStatus in project hadoop by apache.

the class FSDirSymlinkOp method addSymlink.

/**
   * Add the given symbolic link to the fs. Record it in the edits log.
   */
private static INodeSymlink addSymlink(FSDirectory fsd, String path, INodesInPath iip, String target, PermissionStatus dirPerms, boolean createParent, boolean logRetryCache) throws IOException {
    final long mtime = now();
    final INodesInPath parent;
    if (createParent) {
        parent = FSDirMkdirOp.createAncestorDirectories(fsd, iip, dirPerms);
        if (parent == null) {
            return null;
        }
    } else {
        parent = iip.getParentINodesInPath();
    }
    final String userName = dirPerms.getUserName();
    long id = fsd.allocateNewInodeId();
    PermissionStatus perm = new PermissionStatus(userName, null, FsPermission.getDefault());
    INodeSymlink newNode = unprotectedAddSymlink(fsd, parent, iip.getLastLocalName(), id, target, mtime, mtime, perm);
    if (newNode == null) {
        NameNode.stateChangeLog.info("addSymlink: failed to add " + path);
        return null;
    }
    fsd.getEditLog().logSymlink(path, target, mtime, mtime, newNode, logRetryCache);
    if (NameNode.stateChangeLog.isDebugEnabled()) {
        NameNode.stateChangeLog.debug("addSymlink: " + path + " is added");
    }
    return newNode;
}

Example 13 with PermissionStatus

use of org.apache.hadoop.fs.permission.PermissionStatus in project hadoop by apache.

the class TestDefaultBlockPlacementPolicy method setup.

@Before
public void setup() throws IOException {
    StaticMapping.resetMap();
    Configuration conf = new HdfsConfiguration();
    final String[] racks = { "/RACK0", "/RACK0", "/RACK2", "/RACK3", "/RACK2" };
    final String[] hosts = { "/host0", "/host1", "/host2", "/host3", "/host4" };
    conf.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, DEFAULT_BLOCK_SIZE);
    conf.setInt(DFSConfigKeys.DFS_BYTES_PER_CHECKSUM_KEY, DEFAULT_BLOCK_SIZE / 2);
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(5).racks(racks).hosts(hosts).build();
    cluster.waitActive();
    nameNodeRpc = cluster.getNameNodeRpc();
    namesystem = cluster.getNamesystem();
    perm = new PermissionStatus("TestDefaultBlockPlacementPolicy", null, FsPermission.getDefault());
}

Example 14 with PermissionStatus

use of org.apache.hadoop.fs.permission.PermissionStatus in project hadoop by apache.

the class FSEditLogOp method permissionStatusFromXml.

public static PermissionStatus permissionStatusFromXml(Stanza st) throws InvalidXmlException {
    Stanza status = st.getChildren("PERMISSION_STATUS").get(0);
    String username = status.getValue("USERNAME");
    String groupname = status.getValue("GROUPNAME");
    FsPermission mode = fsPermissionFromXml(status);
    return new PermissionStatus(username, groupname, mode);
}

Example 15 with PermissionStatus

use of org.apache.hadoop.fs.permission.PermissionStatus in project hadoop by apache.

the class FSImageSerialization method readINodeUnderConstruction.

// Helper function that reads in an INodeUnderConstruction
// from the input stream
//
static INodeFile readINodeUnderConstruction(DataInput in, FSNamesystem fsNamesys, int imgVersion) throws IOException {
    byte[] name = readBytes(in);
    long inodeId = NameNodeLayoutVersion.supports(LayoutVersion.Feature.ADD_INODE_ID, imgVersion) ? in.readLong() : fsNamesys.dir.allocateNewInodeId();
    short blockReplication = in.readShort();
    long modificationTime = in.readLong();
    long preferredBlockSize = in.readLong();
    int numBlocks = in.readInt();
    final BlockInfoContiguous[] blocksContiguous = new BlockInfoContiguous[numBlocks];
    Block blk = new Block();
    int i = 0;
    for (; i < numBlocks - 1; i++) {
        blk.readFields(in);
        blocksContiguous[i] = new BlockInfoContiguous(blk, blockReplication);
    }
    // last block is UNDER_CONSTRUCTION
    if (numBlocks > 0) {
        blk.readFields(in);
        blocksContiguous[i] = new BlockInfoContiguous(blk, blockReplication);
        blocksContiguous[i].convertToBlockUnderConstruction(BlockUCState.UNDER_CONSTRUCTION, null);
    }
    PermissionStatus perm = PermissionStatus.read(in);
    String clientName = readString(in);
    String clientMachine = readString(in);
    // We previously stored locations for the last block, now we
    // just record that there are none
    int numLocs = in.readInt();
    assert numLocs == 0 : "Unexpected block locations";
    // Images in the pre-protobuf format will not have the lazyPersist flag,
    // so it is safe to pass false always.
    INodeFile file = new INodeFile(inodeId, name, perm, modificationTime, modificationTime, blocksContiguous, blockReplication, preferredBlockSize);
    file.toUnderConstruction(clientName, clientMachine);
    return file;
}