/** Create LockssKeystore from a config subtree */
LockssKeyStore createLockssKeyStore(Configuration config) {
log.debug2("Creating LockssKeyStore from config: " + config);
String name = config.get(KEYSTORE_PARAM_NAME);
LockssKeyStore lk = new LockssKeyStore(name);
String file = config.get(KEYSTORE_PARAM_FILE);
String resource = config.get(KEYSTORE_PARAM_RESOURCE);
String url = config.get(KEYSTORE_PARAM_URL);
if (!StringUtil.isNullString(file)) {
lk.setLocation(file, LocationType.File);
} else if (!StringUtil.isNullString(resource)) {
lk.setLocation(resource, LocationType.Resource);
} else if (!StringUtil.isNullString(url)) {
lk.setLocation(url, LocationType.Url);
}
lk.setType(config.get(KEYSTORE_PARAM_TYPE, defaultKeyStoreType));
lk.setProvider(config.get(KEYSTORE_PARAM_PROVIDER, defaultKeyStoreProvider));
lk.setPassword(config.get(KEYSTORE_PARAM_PASSWORD));
lk.setKeyPassword(config.get(KEYSTORE_PARAM_KEY_PASSWORD));
lk.setKeyPasswordFile(config.get(KEYSTORE_PARAM_KEY_PASSWORD_FILE));
lk.setMayCreate(config.getBoolean(KEYSTORE_PARAM_CREATE, DEFAULT_CREATE));
return lk;
}
public synchronized void setConfig(
Configuration config, Configuration prevConfig, Configuration.Differences changedKeys) {
if (changedKeys.contains(PREFIX)) {
defaultKeyStoreType = config.get(PARAM_DEFAULT_KEYSTORE_TYPE, DEFAULT_DEFAULT_KEYSTORE_TYPE);
defaultKeyStoreProvider =
config.get(PARAM_DEFAULT_KEYSTORE_PROVIDER, DEFAULT_DEFAULT_KEYSTORE_PROVIDER);
paramExitIfMissingKeyStore =
config.getBoolean(PARAM_EXIT_IF_MISSING_KEYSTORE, DEFAULT_EXIT_IF_MISSING_KEYSTORE);
if (changedKeys.contains(PARAM_KEYSTORE)) {
configureKeyStores(config);
// defer initial set of keystore loading until startService
if (isInited()) {
// load any newly added keystores
loadKeyStores();
}
}
}
}
FSVolume(File currentDir, Configuration conf) throws IOException {
this.reserved = conf.getLong("dfs.datanode.du.reserved", 0);
boolean supportAppends = conf.getBoolean("dfs.support.append", false);
File parent = currentDir.getParentFile();
this.detachDir = new File(parent, "detach");
if (detachDir.exists()) {
recoverDetachedBlocks(currentDir, detachDir);
}
// Files that were being written when the datanode was last shutdown
// are now moved back to the data directory. It is possible that
// in the future, we might want to do some sort of datanode-local
// recovery for these blocks. For example, crc validation.
//
this.tmpDir = new File(parent, "tmp");
if (tmpDir.exists()) {
if (supportAppends) {
recoverDetachedBlocks(currentDir, tmpDir);
} else {
FileUtil.fullyDelete(tmpDir);
}
}
this.dataDir = new FSDir(currentDir);
if (!tmpDir.mkdirs()) {
if (!tmpDir.isDirectory()) {
throw new IOException("Mkdirs failed to create " + tmpDir.toString());
}
}
if (!detachDir.mkdirs()) {
if (!detachDir.isDirectory()) {
throw new IOException("Mkdirs failed to create " + detachDir.toString());
}
}
this.usage = new DF(parent, conf);
this.dfsUsage = new DU(parent, conf);
this.dfsUsage.start();
}
public void setConfig(
Configuration config, Configuration oldConfig, Configuration.Differences changedKeys) {
// Build list of repositories from list of disk (fs) paths). Needs to
// be generalized if ever another repository implementation.
if (changedKeys.contains(ConfigManager.PARAM_PLATFORM_DISK_SPACE_LIST)) {
List lst = new ArrayList();
String dspace = config.get(ConfigManager.PARAM_PLATFORM_DISK_SPACE_LIST, "");
List paths = StringUtil.breakAt(dspace, ';');
if (paths != null) {
for (Iterator iter = paths.iterator(); iter.hasNext(); ) {
lst.add("local:" + (String) iter.next());
}
}
repoList = lst;
}
if (changedKeys.contains(PARAM_MAX_PER_AU_CACHE_SIZE)) {
paramNodeCacheSize =
config.getInt(PARAM_MAX_PER_AU_CACHE_SIZE, DEFAULT_MAX_PER_AU_CACHE_SIZE);
for (Iterator iter = getDaemon().getAllLockssRepositories().iterator(); iter.hasNext(); ) {
LockssRepository repo = (LockssRepository) iter.next();
if (repo instanceof LockssRepositoryImpl) {
LockssRepositoryImpl repoImpl = (LockssRepositoryImpl) repo;
repoImpl.setNodeCacheSize(paramNodeCacheSize);
}
}
}
if (changedKeys.contains(PARAM_MAX_SUSPECT_VERSIONS_CACHE_SIZE)) {
paramSuspectVersionsCacheSize =
config.getInt(
PARAM_MAX_SUSPECT_VERSIONS_CACHE_SIZE, DEFAULT_MAX_SUSPECT_VERSIONS_CACHE_SIZE);
suspectVersionsCache.setMaxSize(paramSuspectVersionsCacheSize);
}
if (changedKeys.contains(GLOBAL_CACHE_PREFIX)) {
paramIsGlobalNodeCache =
config.getBoolean(PARAM_GLOBAL_CACHE_ENABLED, DEFAULT_GLOBAL_CACHE_ENABLED);
if (paramIsGlobalNodeCache) {
paramGlobalNodeCacheSize =
config.getInt(PARAM_MAX_GLOBAL_CACHE_SIZE, DEFAULT_MAX_GLOBAL_CACHE_SIZE);
log.debug("global node cache size: " + paramGlobalNodeCacheSize);
globalNodeCache.setMaxSize(paramGlobalNodeCacheSize);
}
}
if (changedKeys.contains(DISK_PREFIX)) {
int minMB = config.getInt(PARAM_DISK_WARN_FRRE_MB, DEFAULT_DISK_WARN_FRRE_MB);
double minPer =
config.getPercentage(PARAM_DISK_WARN_FRRE_PERCENT, DEFAULT_DISK_WARN_FRRE_PERCENT);
paramDFWarn = PlatformUtil.DF.makeThreshold(minMB, minPer);
minMB = config.getInt(PARAM_DISK_FULL_FRRE_MB, DEFAULT_DISK_FULL_FRRE_MB);
minPer = config.getPercentage(PARAM_DISK_FULL_FRRE_PERCENT, DEFAULT_DISK_FULL_FRRE_PERCENT);
paramDFFull = PlatformUtil.DF.makeThreshold(minMB, minPer);
}
if (changedKeys.contains(PARAM_SIZE_CALC_MAX_LOAD)) {
sizeCalcMaxLoad = config.getPercentage(PARAM_SIZE_CALC_MAX_LOAD, DEFAULT_SIZE_CALC_MAX_LOAD);
}
if (changedKeys.contains(PREFIX)) {
maxUnusedDirSearch =
config.getInt(PARAM_MAX_UNUSED_DIR_SEARCH, DEFAULT_MAX_UNUSED_DIR_SEARCH);
isStatefulUnusedDirSearch =
config.getBoolean(
PARAM_IS_STATEFUL_UNUSED_DIR_SEARCH, DEFAULT_IS_STATEFUL_UNUSED_DIR_SEARCH);
enableLongComponents =
config.getBoolean(PARAM_ENABLE_LONG_COMPONENTS, DEFAULT_ENABLE_LONG_COMPONENTS);
enableLongComponentsCompatibility =
config.getBoolean(
PARAM_ENABLE_LONG_COMPONENTS_COMPATIBILITY,
DEFAULT_ENABLE_LONG_COMPONENTS_COMPATIBILITY);
maxComponentLength = config.getInt(PARAM_MAX_COMPONENT_LENGTH, DEFAULT_MAX_COMPONENT_LENGTH);
checkUnnormalized =
(CheckUnnormalizedMode)
config.getEnum(
CheckUnnormalizedMode.class,
PARAM_CHECK_UNNORMALIZED,
DEFAULT_CHECK_UNNORMALIZED);
}
}
public void generateFileChunks(JspWriter out, HttpServletRequest req, Configuration conf)
throws IOException, InterruptedException {
long startOffset = 0;
int datanodePort = 0;
int chunkSizeToView = 0;
String namenodeInfoPortStr = req.getParameter("namenodeInfoPort");
int namenodeInfoPort = -1;
if (namenodeInfoPortStr != null) namenodeInfoPort = Integer.parseInt(namenodeInfoPortStr);
String filename = HtmlQuoting.unquoteHtmlChars(req.getParameter("filename"));
if (filename == null) {
out.print("Invalid input (filename absent)");
return;
}
String blockIdStr = null;
long blockId = 0;
blockIdStr = req.getParameter("blockId");
if (blockIdStr == null) {
out.print("Invalid input (blockId absent)");
return;
}
blockId = Long.parseLong(blockIdStr);
String tokenString = req.getParameter(JspHelper.DELEGATION_PARAMETER_NAME);
UserGroupInformation ugi = JspHelper.getUGI(req, conf);
final DFSClient dfs = JspHelper.getDFSClient(ugi, jspHelper.nameNodeAddr, conf);
Token<BlockTokenIdentifier> accessToken = BlockTokenSecretManager.DUMMY_TOKEN;
if (conf.getBoolean(DFSConfigKeys.DFS_BLOCK_ACCESS_TOKEN_ENABLE_KEY, false)) {
List<LocatedBlock> blks =
dfs.namenode.getBlockLocations(filename, 0, Long.MAX_VALUE).getLocatedBlocks();
if (blks == null || blks.size() == 0) {
out.print("Can't locate file blocks");
dfs.close();
return;
}
for (int i = 0; i < blks.size(); i++) {
if (blks.get(i).getBlock().getBlockId() == blockId) {
accessToken = blks.get(i).getBlockToken();
break;
}
}
}
String blockGenStamp = null;
long genStamp = 0;
blockGenStamp = req.getParameter("genstamp");
if (blockGenStamp == null) {
out.print("Invalid input (genstamp absent)");
return;
}
genStamp = Long.parseLong(blockGenStamp);
String blockSizeStr;
long blockSize = 0;
blockSizeStr = req.getParameter("blockSize");
if (blockSizeStr == null) {
out.print("Invalid input (blockSize absent)");
return;
}
blockSize = Long.parseLong(blockSizeStr);
String chunkSizeToViewStr = req.getParameter("chunkSizeToView");
if (chunkSizeToViewStr != null && Integer.parseInt(chunkSizeToViewStr) > 0)
chunkSizeToView = Integer.parseInt(chunkSizeToViewStr);
else chunkSizeToView = JspHelper.getDefaultChunkSize(conf);
String startOffsetStr = req.getParameter("startOffset");
if (startOffsetStr == null || Long.parseLong(startOffsetStr) < 0) startOffset = 0;
else startOffset = Long.parseLong(startOffsetStr);
String datanodePortStr = req.getParameter("datanodePort");
if (datanodePortStr == null) {
out.print("Invalid input (datanodePort absent)");
return;
}
datanodePort = Integer.parseInt(datanodePortStr);
out.print("<h3>File: ");
JspHelper.printPathWithLinks(
HtmlQuoting.quoteHtmlChars(filename), out, namenodeInfoPort, tokenString);
out.print("</h3><hr>");
String parent = new File(filename).getParent();
JspHelper.printGotoForm(out, namenodeInfoPort, tokenString, HtmlQuoting.quoteHtmlChars(parent));
out.print("<hr>");
out.print(
"<a href=\"http://"
+ req.getServerName()
+ ":"
+ req.getServerPort()
+ "/browseDirectory.jsp?dir="
+ URLEncoder.encode(parent, "UTF-8")
+ "&namenodeInfoPort="
+ namenodeInfoPort
+ "\"><i>Go back to dir listing</i></a><br>");
out.print("<a href=\"#viewOptions\">Advanced view/download options</a><br>");
out.print("<hr>");
// Determine the prev & next blocks
long nextStartOffset = 0;
long nextBlockSize = 0;
String nextBlockIdStr = null;
String nextGenStamp = null;
String nextHost = req.getServerName();
int nextPort = req.getServerPort();
int nextDatanodePort = datanodePort;
// determine data for the next link
if (startOffset + chunkSizeToView >= blockSize) {
// we have to go to the next block from this point onwards
List<LocatedBlock> blocks =
dfs.namenode.getBlockLocations(filename, 0, Long.MAX_VALUE).getLocatedBlocks();
for (int i = 0; i < blocks.size(); i++) {
if (blocks.get(i).getBlock().getBlockId() == blockId) {
if (i != blocks.size() - 1) {
LocatedBlock nextBlock = blocks.get(i + 1);
nextBlockIdStr = Long.toString(nextBlock.getBlock().getBlockId());
nextGenStamp = Long.toString(nextBlock.getBlock().getGenerationStamp());
nextStartOffset = 0;
nextBlockSize = nextBlock.getBlock().getNumBytes();
DatanodeInfo d = jspHelper.bestNode(nextBlock);
String datanodeAddr = d.getName();
nextDatanodePort =
Integer.parseInt(
datanodeAddr.substring(datanodeAddr.indexOf(':') + 1, datanodeAddr.length()));
nextHost = InetAddress.getByName(d.getHost()).getCanonicalHostName();
nextPort = d.getInfoPort();
}
}
}
} else {
// we are in the same block
nextBlockIdStr = blockIdStr;
nextStartOffset = startOffset + chunkSizeToView;
nextBlockSize = blockSize;
nextGenStamp = blockGenStamp;
}
String nextUrl = null;
if (nextBlockIdStr != null) {
nextUrl =
"http://"
+ nextHost
+ ":"
+ nextPort
+ "/browseBlock.jsp?blockId="
+ nextBlockIdStr
+ "&blockSize="
+ nextBlockSize
+ "&startOffset="
+ nextStartOffset
+ "&genstamp="
+ nextGenStamp
+ "&filename="
+ URLEncoder.encode(filename, "UTF-8")
+ "&chunkSizeToView="
+ chunkSizeToView
+ "&datanodePort="
+ nextDatanodePort
+ "&namenodeInfoPort="
+ namenodeInfoPort
+ JspHelper.getDelegationTokenUrlParam(tokenString);
out.print("<a href=\"" + nextUrl + "\">View Next chunk</a> ");
}
// determine data for the prev link
String prevBlockIdStr = null;
String prevGenStamp = null;
long prevStartOffset = 0;
long prevBlockSize = 0;
String prevHost = req.getServerName();
int prevPort = req.getServerPort();
int prevDatanodePort = datanodePort;
if (startOffset == 0) {
List<LocatedBlock> blocks =
dfs.namenode.getBlockLocations(filename, 0, Long.MAX_VALUE).getLocatedBlocks();
for (int i = 0; i < blocks.size(); i++) {
if (blocks.get(i).getBlock().getBlockId() == blockId) {
if (i != 0) {
LocatedBlock prevBlock = blocks.get(i - 1);
prevBlockIdStr = Long.toString(prevBlock.getBlock().getBlockId());
prevGenStamp = Long.toString(prevBlock.getBlock().getGenerationStamp());
prevStartOffset = prevBlock.getBlock().getNumBytes() - chunkSizeToView;
if (prevStartOffset < 0) prevStartOffset = 0;
prevBlockSize = prevBlock.getBlock().getNumBytes();
DatanodeInfo d = jspHelper.bestNode(prevBlock);
String datanodeAddr = d.getName();
prevDatanodePort =
Integer.parseInt(
datanodeAddr.substring(datanodeAddr.indexOf(':') + 1, datanodeAddr.length()));
prevHost = InetAddress.getByName(d.getHost()).getCanonicalHostName();
prevPort = d.getInfoPort();
}
}
}
} else {
// we are in the same block
prevBlockIdStr = blockIdStr;
prevStartOffset = startOffset - chunkSizeToView;
if (prevStartOffset < 0) prevStartOffset = 0;
prevBlockSize = blockSize;
prevGenStamp = blockGenStamp;
}
String prevUrl = null;
if (prevBlockIdStr != null) {
prevUrl =
"http://"
+ prevHost
+ ":"
+ prevPort
+ "/browseBlock.jsp?blockId="
+ prevBlockIdStr
+ "&blockSize="
+ prevBlockSize
+ "&startOffset="
+ prevStartOffset
+ "&filename="
+ URLEncoder.encode(filename, "UTF-8")
+ "&chunkSizeToView="
+ chunkSizeToView
+ "&genstamp="
+ prevGenStamp
+ "&datanodePort="
+ prevDatanodePort
+ "&namenodeInfoPort="
+ namenodeInfoPort
+ JspHelper.getDelegationTokenUrlParam(tokenString);
out.print("<a href=\"" + prevUrl + "\">View Prev chunk</a> ");
}
out.print("<hr>");
out.print("<textarea cols=\"100\" rows=\"25\" wrap=\"virtual\" style=\"width:100%\" READONLY>");
try {
jspHelper.streamBlockInAscii(
new InetSocketAddress(req.getServerName(), datanodePort),
blockId,
accessToken,
genStamp,
blockSize,
startOffset,
chunkSizeToView,
out,
conf);
} catch (Exception e) {
out.print(e);
}
out.print("</textarea>");
dfs.close();
}