public static void main(String[] args) throws Exception {
Path dir = Paths.get(args[0]);
Files.walkFileTree(
dir,
new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) {
check(dir);
if (skip(dir)) return FileVisitResult.SKIP_SIBLINGS;
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
check(file);
if (skip(file)) return FileVisitResult.SKIP_SIBLINGS;
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException x) {
if (x != null) throw new RuntimeException(x);
check(dir);
return FileVisitResult.CONTINUE;
}
});
}
/** Register the given directory, and all its sub-directories, with the WatchService.f */
private void registerAll(final Path start) throws IOException {
Files.walkFileTree(
start,
new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
logger.debug("postVisitDir " + dir.toString());
WatchKey key = dir.register(watcher, ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY);
logger.debug("Adding key: " + key.toString() + " " + dir);
keys.put(key, dir);
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult preVisitDirectory(Path fullDir, BasicFileAttributes attrs)
throws IOException {
logger.debug("preVisitDirectory " + fullDir.toString());
String dir = "/" + fixPath(startDir.relativize(fullDir).toString());
if (!MetaHandler.isStored(dir) || MetaHandler.isModified(dir, fullDir.toFile())) {
try {
Entry folderEntry = null;
try {
logger.debug("Creating folder: " + dir);
folderEntry = api.createFolder(dir);
} catch (DropboxServerException ex) {
if (ex.error == DropboxServerException._403_FORBIDDEN) {
folderEntry = api.metadata(dir, 0, null, false, null);
} else {
logger.error(ex.getMessage());
}
}
MetaHandler.setFile(dir, fullDir.toFile(), folderEntry.rev);
} catch (DropboxException ex) {
ex.printStackTrace();
}
}
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult visitFile(Path fullPath, BasicFileAttributes attrs)
throws IOException {
logger.debug("visitFile " + fullPath.toString());
String file = "/" + fixPath(startDir.relativize(fullPath).toString());
if (!MetaHandler.isStored(file) || MetaHandler.isModified(file, fullPath.toFile())) {
logger.debug("Not stored or updated: " + file);
try {
uploadFile(file, fullPath);
} catch (Exception ex) {
ex.printStackTrace();
}
}
return FileVisitResult.CONTINUE;
}
});
}
public static void main(String[] args) throws Exception {
boolean followLinks = false;
boolean printCycles = false;
int i = 0;
while (i < (args.length - 1)) {
switch (args[i]) {
case "-follow":
followLinks = true;
break;
case "-printCycles":
printCycles = true;
break;
default:
throw new RuntimeException(args[i] + " not recognized");
}
i++;
}
Path dir = Paths.get(args[i]);
Set<FileVisitOption> options = new HashSet<FileVisitOption>();
if (followLinks) options.add(FileVisitOption.FOLLOW_LINKS);
final boolean follow = followLinks;
final boolean reportCycles = printCycles;
Files.walkFileTree(
dir,
options,
Integer.MAX_VALUE,
new FileVisitor<Path>() {
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) {
System.out.println(dir);
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
System.out.println(file);
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
if (exc != null) throw exc;
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
if (follow && (exc instanceof FileSystemLoopException)) {
if (reportCycles) System.out.println(file);
return FileVisitResult.CONTINUE;
} else {
throw exc;
}
}
});
}
/** Регистрация директории для WatchService. */
private void registerAll(final Path start) throws IOException {
// Регистрируем директорию
Files.walkFileTree(
start,
new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
throws IOException {
register(dir);
return FileVisitResult.CONTINUE;
}
});
}
public static void load(Collection<FileDesc> files, Path root, int blocSize, Pattern pattern)
throws IOException {
root = root.toAbsolutePath().normalize();
Visitor visitor = new Visitor(root, blocSize, pattern);
Files.walkFileTree(root, visitor);
for (Future<FileDesc> future : visitor.futures()) {
try {
files.add(future.get());
} catch (Exception e) {
log.error("", e);
}
}
}
public void backup(String wildCardPath) {
try {
if (wildCardPath.contains("*") || wildCardPath.contains("?")) {
// Extract the path so we know where to start and get the name which contains the
// wildcard so we know what to store:
File wildCardFile = new File(wildCardPath);
String parentDirectory = wildCardFile.getParent();
String wildCardPattern = wildCardFile.getName();
_pathMatcher = FileSystems.getDefault().getPathMatcher("glob:" + wildCardPattern);
Files.walkFileTree(Paths.get(parentDirectory), this);
} else storeFile(new File(wildCardPath));
} catch (FileNotFoundException exception) {
Console.printError("File/Directory not found: " + wildCardPath);
} catch (IOException exception) {
Console.printError(
"File/Directory '%s' not stored because: '%s'", wildCardPath, exception.getMessage());
}
}
private void copyBinDirectory(
Path sourcePluginBinDirectory,
Path destPluginBinDirectory,
String pluginName,
Terminal terminal)
throws IOException {
boolean canCopyFromSource =
Files.exists(sourcePluginBinDirectory)
&& Files.isReadable(sourcePluginBinDirectory)
&& Files.isDirectory(sourcePluginBinDirectory);
if (canCopyFromSource) {
terminal.println(VERBOSE, "Found bin, moving to %s", destPluginBinDirectory.toAbsolutePath());
if (Files.exists(destPluginBinDirectory)) {
IOUtils.rm(destPluginBinDirectory);
}
try {
Files.createDirectories(destPluginBinDirectory.getParent());
FileSystemUtils.move(sourcePluginBinDirectory, destPluginBinDirectory);
} catch (IOException e) {
throw new IOException(
"Could not move [" + sourcePluginBinDirectory + "] to [" + destPluginBinDirectory + "]",
e);
}
if (Environment.getFileStore(destPluginBinDirectory)
.supportsFileAttributeView(PosixFileAttributeView.class)) {
final PosixFileAttributes parentDirAttributes =
Files.getFileAttributeView(
destPluginBinDirectory.getParent(), PosixFileAttributeView.class)
.readAttributes();
// copy permissions from parent bin directory
final Set<PosixFilePermission> filePermissions = new HashSet<>();
for (PosixFilePermission posixFilePermission : parentDirAttributes.permissions()) {
switch (posixFilePermission) {
case OWNER_EXECUTE:
case GROUP_EXECUTE:
case OTHERS_EXECUTE:
break;
default:
filePermissions.add(posixFilePermission);
}
}
// add file execute permissions to existing perms, so execution will work.
filePermissions.add(PosixFilePermission.OWNER_EXECUTE);
filePermissions.add(PosixFilePermission.GROUP_EXECUTE);
filePermissions.add(PosixFilePermission.OTHERS_EXECUTE);
Files.walkFileTree(
destPluginBinDirectory,
new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
throws IOException {
if (attrs.isRegularFile()) {
setPosixFileAttributes(
file,
parentDirAttributes.owner(),
parentDirAttributes.group(),
filePermissions);
}
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
throws IOException {
setPosixFileAttributes(
dir,
parentDirAttributes.owner(),
parentDirAttributes.group(),
parentDirAttributes.permissions());
return FileVisitResult.CONTINUE;
}
});
} else {
terminal.println(
VERBOSE, "Skipping posix permissions - filestore doesn't support posix permission");
}
terminal.println(
VERBOSE, "Installed %s into %s", pluginName, destPluginBinDirectory.toAbsolutePath());
}
}
private void extract(PluginHandle pluginHandle, Terminal terminal, Path pluginFile)
throws IOException {
// unzip plugin to a staging temp dir, named for the plugin
Path tmp = Files.createTempDirectory(environment.tmpFile(), null);
Path root = tmp.resolve(pluginHandle.name);
unzipPlugin(pluginFile, root);
// find the actual root (in case its unzipped with extra directory wrapping)
root = findPluginRoot(root);
// read and validate the plugin descriptor
PluginInfo info = PluginInfo.readFromProperties(root);
terminal.println(VERBOSE, "%s", info);
// update name in handle based on 'name' property found in descriptor file
pluginHandle = new PluginHandle(info.getName(), pluginHandle.version, pluginHandle.user);
final Path extractLocation = pluginHandle.extractedDir(environment);
if (Files.exists(extractLocation)) {
throw new IOException(
"plugin directory "
+ extractLocation.toAbsolutePath()
+ " already exists. To update the plugin, uninstall it first using 'remove "
+ pluginHandle.name
+ "' command");
}
// check for jar hell before any copying
if (info.isJvm()) {
jarHellCheck(root, info.isIsolated());
}
// install plugin
FileSystemUtils.copyDirectoryRecursively(root, extractLocation);
terminal.println("Installed %s into %s", pluginHandle.name, extractLocation.toAbsolutePath());
// cleanup
tryToDeletePath(terminal, tmp, pluginFile);
// take care of bin/ by moving and applying permissions if needed
Path sourcePluginBinDirectory = extractLocation.resolve("bin");
Path destPluginBinDirectory = pluginHandle.binDir(environment);
boolean needToCopyBinDirectory = Files.exists(sourcePluginBinDirectory);
if (needToCopyBinDirectory) {
if (Files.exists(destPluginBinDirectory) && !Files.isDirectory(destPluginBinDirectory)) {
tryToDeletePath(terminal, extractLocation);
throw new IOException(
"plugin bin directory " + destPluginBinDirectory + " is not a directory");
}
try {
copyBinDirectory(
sourcePluginBinDirectory, destPluginBinDirectory, pluginHandle.name, terminal);
} catch (IOException e) {
// rollback and remove potentially before installed leftovers
terminal.printError(
"Error copying bin directory [%s] to [%s], cleaning up, reason: %s",
sourcePluginBinDirectory, destPluginBinDirectory, ExceptionsHelper.detailedMessage(e));
tryToDeletePath(terminal, extractLocation, pluginHandle.binDir(environment));
throw e;
}
}
Path sourceConfigDirectory = extractLocation.resolve("config");
Path destConfigDirectory = pluginHandle.configDir(environment);
boolean needToCopyConfigDirectory = Files.exists(sourceConfigDirectory);
if (needToCopyConfigDirectory) {
if (Files.exists(destConfigDirectory) && !Files.isDirectory(destConfigDirectory)) {
tryToDeletePath(terminal, extractLocation, destPluginBinDirectory);
throw new IOException(
"plugin config directory " + destConfigDirectory + " is not a directory");
}
try {
terminal.println(
VERBOSE, "Found config, moving to %s", destConfigDirectory.toAbsolutePath());
moveFilesWithoutOverwriting(sourceConfigDirectory, destConfigDirectory, ".new");
if (Environment.getFileStore(destConfigDirectory)
.supportsFileAttributeView(PosixFileAttributeView.class)) {
// We copy owner, group and permissions from the parent ES_CONFIG directory, assuming they
// were properly set depending
// on how es was installed in the first place: can be root:elasticsearch (750) if es was
// installed from rpm/deb packages
// or most likely elasticsearch:elasticsearch if installed from tar/zip. As for
// permissions we don't rely on umask.
final PosixFileAttributes parentDirAttributes =
Files.getFileAttributeView(
destConfigDirectory.getParent(), PosixFileAttributeView.class)
.readAttributes();
// for files though, we make sure not to copy execute permissions from the parent dir and
// leave them untouched
final Set<PosixFilePermission> baseFilePermissions = new HashSet<>();
for (PosixFilePermission posixFilePermission : parentDirAttributes.permissions()) {
switch (posixFilePermission) {
case OWNER_EXECUTE:
case GROUP_EXECUTE:
case OTHERS_EXECUTE:
break;
default:
baseFilePermissions.add(posixFilePermission);
}
}
Files.walkFileTree(
destConfigDirectory,
new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
throws IOException {
if (attrs.isRegularFile()) {
Set<PosixFilePermission> newFilePermissions =
new HashSet<>(baseFilePermissions);
Set<PosixFilePermission> currentFilePermissions =
Files.getPosixFilePermissions(file);
for (PosixFilePermission posixFilePermission : currentFilePermissions) {
switch (posixFilePermission) {
case OWNER_EXECUTE:
case GROUP_EXECUTE:
case OTHERS_EXECUTE:
newFilePermissions.add(posixFilePermission);
}
}
setPosixFileAttributes(
file,
parentDirAttributes.owner(),
parentDirAttributes.group(),
newFilePermissions);
}
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
throws IOException {
setPosixFileAttributes(
dir,
parentDirAttributes.owner(),
parentDirAttributes.group(),
parentDirAttributes.permissions());
return FileVisitResult.CONTINUE;
}
});
} else {
terminal.println(
VERBOSE, "Skipping posix permissions - filestore doesn't support posix permission");
}
terminal.println(
VERBOSE,
"Installed %s into %s",
pluginHandle.name,
destConfigDirectory.toAbsolutePath());
} catch (IOException e) {
terminal.printError(
"Error copying config directory [%s] to [%s], cleaning up, reason: %s",
sourceConfigDirectory, destConfigDirectory, ExceptionsHelper.detailedMessage(e));
tryToDeletePath(terminal, extractLocation, destPluginBinDirectory, destConfigDirectory);
throw e;
}
}
}
