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HADOOP-10775. Shell operations to fail with meaningful errors on windows if winutils.exe not found. (stevel)

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This commit is contained in:
Steve Loughran 2015-10-13 21:29:50 +01:00
parent eb50c4f7a2
commit c59af2fdf8
19 changed files with 930 additions and 398 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -885,6 +885,9 @@ Release 2.8.0 - UNRELEASED
HADOOP-12344. Improve validateSocketPathSecurity0 error message (Casey
Brotherton via Colin P. McCabe)
HADOOP-10775. Shell operations to fail with meaningful errors on windows if
winutils.exe not found. (stevel)
OPTIMIZATIONS
HADOOP-11785. Reduce the number of listStatus operation in distcp

29
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java
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@ -784,35 +784,6 @@ public static int symLink(String target, String linkname) throws IOException{
File linkFile = new File(
Path.getPathWithoutSchemeAndAuthority(new Path(linkname)).toString());
// If not on Java7+, copy a file instead of creating a symlink since
// Java6 has close to no support for symlinks on Windows. Specifically
// File#length and File#renameTo do not work as expected.
// (see HADOOP-9061 for additional details)
// We still create symlinks for directories, since the scenario in this
// case is different. The directory content could change in which
// case the symlink loses its purpose (for example task attempt log folder
// is symlinked under userlogs and userlogs are generated afterwards).
if (Shell.WINDOWS && !Shell.isJava7OrAbove() && targetFile.isFile()) {
try {
LOG.warn("FileUtil#symlink: On Windows+Java6, copying file instead " +
"of creating a symlink. Copying " + target + " -> " + linkname);
if (!linkFile.getParentFile().exists()) {
LOG.warn("Parent directory " + linkFile.getParent() +
" does not exist.");
return 1;
} else {
org.apache.commons.io.FileUtils.copyFile(targetFile, linkFile);
}
} catch (IOException ex) {
LOG.warn("FileUtil#symlink failed to copy the file with error: "
+ ex.getMessage());
// Exit with non-zero exit code
return 1;
}
return 0;
}
String[] cmd = Shell.getSymlinkCommand(
targetFile.toString(),
linkFile.toString());

8
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/HardLink.java
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@ -122,6 +122,12 @@ String[] linkCount(File file)
@VisibleForTesting
static class HardLinkCGWin extends HardLinkCommandGetter {
/**
* Build the windows link command. This must not
* use an exception-raising reference to WINUTILS, as
* some tests examine the command.
*/
@SuppressWarnings("deprecation")
static String[] getLinkCountCommand = {
Shell.WINUTILS, "hardlink", "stat", null};
@ -130,6 +136,8 @@ static class HardLinkCGWin extends HardLinkCommandGetter {
*/
@Override
String[] linkCount(File file) throws IOException {
// trigger the check for winutils
Shell.getWinutilsFile();
String[] buf = new String[getLinkCountCommand.length];
System.arraycopy(getLinkCountCommand, 0, buf, 0,
getLinkCountCommand.length);

2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/DataChecksum.java
View File

@ -75,7 +75,7 @@ public static Type valueOf(int id) {
* is chosen depending on the platform.
*/
public static Checksum newCrc32() {
return Shell.isJava7OrAbove()? new CRC32(): new PureJavaCrc32();
return new CRC32();
}
public static DataChecksum newDataChecksum(Type type, int bytesPerChecksum ) {

21
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/NativeLibraryChecker.java
View File

@ -18,7 +18,6 @@
package org.apache.hadoop.util;
import org.apache.hadoop.util.NativeCodeLoader;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.crypto.OpensslCipher;
import org.apache.hadoop.io.compress.Lz4Codec;
@ -27,10 +26,17 @@
import org.apache.hadoop.io.compress.zlib.ZlibFactory;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
@InterfaceAudience.Private
@InterfaceStability.Unstable
public class NativeLibraryChecker {
public static final Logger LOG =
LoggerFactory.getLogger(NativeLibraryChecker.class);
/**
* A tool to test native library availability,
*/
@ -99,12 +105,17 @@ public static void main(String[] args) {
}
}
if (Shell.WINDOWS) {
// winutils.exe is required on Windows
winutilsPath = Shell.getWinUtilsPath();
if (winutilsPath != null) {
try {
winutilsPath = Shell.getWinutilsFile().getCanonicalPath();
winutilsExists = true;
} else {
winutilsPath = "";
} catch (IOException e) {
LOG.debug("No Winutils: ", e);
winutilsPath = e.getMessage();
winutilsExists = false;
}
System.out.printf("winutils: %b %s%n", winutilsExists, winutilsPath);
}
System.out.println("Native library checking:");

622
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Shell.java
View File

@ -19,6 +19,7 @@
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.InputStream;
@ -30,41 +31,74 @@
import java.util.TimerTask;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.google.common.annotations.VisibleForTesting;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A base class for running a Unix command.
* A base class for running a Shell command.
*
* <code>Shell</code> can be used to run unix commands like <code>du</code> or
* <code>Shell</code> can be used to run shell commands like <code>du</code> or
* <code>df</code>. It also offers facilities to gate commands by
* time-intervals.
*/
@InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"})
@InterfaceStability.Unstable
abstract public class Shell {
@InterfaceAudience.Public
@InterfaceStability.Evolving
public abstract class Shell {
public static final Logger LOG = LoggerFactory.getLogger(Shell.class);
public static final Log LOG = LogFactory.getLog(Shell.class);
/**
* Text to include when there are windows-specific problems.
* {@value}
*/
private static final String WINDOWS_PROBLEMS =
"https://wiki.apache.org/hadoop/WindowsProblems";
private static boolean IS_JAVA7_OR_ABOVE =
System.getProperty("java.version").substring(0, 3).compareTo("1.7") >= 0;
/**
* Name of the windows utils binary: {@value}.
*/
static final String WINUTILS_EXE = "winutils.exe";
/**
* System property for the Hadoop home directory: {@value}.
*/
public static final String SYSPROP_HADOOP_HOME_DIR = "hadoop.home.dir";
/**
* Environment variable for Hadoop's home dir: {@value}.
*/
public static final String ENV_HADOOP_HOME = "HADOOP_HOME";
/**
* query to see if system is Java 7 or later.
* Now that Hadoop requires Java 7 or later, this always returns true.
* @deprecated This call isn't needed any more: please remove uses of it.
* @return true, always.
*/
@Deprecated
public static boolean isJava7OrAbove() {
return IS_JAVA7_OR_ABOVE;
return true;
}
/**
* Maximum command line length in Windows
* KB830473 documents this as 8191
*/
public static final int WINDOWS_MAX_SHELL_LENGHT = 8191;
public static final int WINDOWS_MAX_SHELL_LENGTH = 8191;
/**
* Checks if a given command (String[]) fits in the Windows maximum command line length
* Note that the input is expected to already include space delimiters, no extra count
* will be added for delimiters.
* mis-spelling of {@link #WINDOWS_MAX_SHELL_LENGTH}.
* @deprecated use the correctly spelled constant.
*/
@Deprecated
public static final int WINDOWS_MAX_SHELL_LENGHT = WINDOWS_MAX_SHELL_LENGTH;
/**
* Checks if a given command (String[]) fits in the Windows maximum command
* line length Note that the input is expected to already include space
* delimiters, no extra count will be added for delimiters.
*
* @param commands command parts, including any space delimiters
*/
@ -74,19 +108,19 @@ public static void checkWindowsCommandLineLength(String...commands)
for (String s: commands) {
len += s.length();
}
if (len > WINDOWS_MAX_SHELL_LENGHT) {
if (len > WINDOWS_MAX_SHELL_LENGTH) {
throw new IOException(String.format(
"The command line has a length of %d exceeds maximum allowed length of %d. " +
"Command starts with: %s",
len, WINDOWS_MAX_SHELL_LENGHT,
"The command line has a length of %d exceeds maximum allowed length" +
" of %d. Command starts with: %s",
len, WINDOWS_MAX_SHELL_LENGTH,
StringUtils.join("", commands).substring(0, 100)));
}
}
/** a Unix command to get the current user's name */
public final static String USER_NAME_COMMAND = "whoami";
/** a Unix command to get the current user's name: {@value}. */
public static final String USER_NAME_COMMAND = "whoami";
/** Windows CreateProcess synchronization object */
/** Windows <code>CreateProcess</code> synchronization object. */
public static final Object WindowsProcessLaunchLock = new Object();
// OSType detection
@ -100,9 +134,13 @@ public enum OSType {
OS_TYPE_OTHER
}
/**
* Get the type of the operating system, as determined from parsing
* the <code>os.name</code> property.
*/
public static final OSType osType = getOSType();
static private OSType getOSType() {
private static OSType getOSType() {
String osName = System.getProperty("os.name");
if (osName.startsWith("Windows")) {
return OSType.OS_TYPE_WIN;
@ -131,45 +169,48 @@ static private OSType getOSType() {
public static final boolean PPC_64
= System.getProperties().getProperty("os.arch").contains("ppc64");
/** a Unix command to get the current user's groups list */
/** a Unix command to get the current user's groups list. */
public static String[] getGroupsCommand() {
return (WINDOWS)? new String[]{"cmd", "/c", "groups"}
: new String[]{"bash", "-c", "groups"};
}
/**
* a Unix command to get a given user's groups list.
* A command to get a given user's groups list.
* If the OS is not WINDOWS, the command will get the user's primary group
* first and finally get the groups list which includes the primary group.
* i.e. the user's primary group will be included twice.
*/
public static String[] getGroupsForUserCommand(final String user) {
//'groups username' command return is non-consistent across different unixes
return (WINDOWS)? new String[] { WINUTILS, "groups", "-F", "\"" + user + "\""}
: new String [] {"bash", "-c", "id -gn " + user
+ "&& id -Gn " + user};
//'groups username' command return is inconsistent across different unixes
return WINDOWS ?
new String[]
{ getWinutilsPath(), "groups", "-F", "\"" + user + "\"" }
: new String [] {"bash", "-c", "id -gn " + user + "&& id -Gn " + user};
}
/** a Unix command to get a given netgroup's user list */
/** A command to get a given netgroup's user list. */
public static String[] getUsersForNetgroupCommand(final String netgroup) {
//'groups username' command return is non-consistent across different unixes
return (WINDOWS)? new String [] {"cmd", "/c", "getent netgroup " + netgroup}
return WINDOWS ? new String [] {"cmd", "/c", "getent netgroup " + netgroup}
: new String [] {"bash", "-c", "getent netgroup " + netgroup};
}
/** Return a command to get permission information. */
public static String[] getGetPermissionCommand() {
return (WINDOWS) ? new String[] { WINUTILS, "ls", "-F" }
return (WINDOWS) ? new String[] { getWinutilsPath(), "ls", "-F" }
: new String[] { "/bin/ls", "-ld" };
}
/** Return a command to set permission */
/** Return a command to set permission. */
public static String[] getSetPermissionCommand(String perm, boolean recursive) {
if (recursive) {
return (WINDOWS) ? new String[] { WINUTILS, "chmod", "-R", perm }
return (WINDOWS) ?
new String[] { getWinutilsPath(), "chmod", "-R", perm }
: new String[] { "chmod", "-R", perm };
} else {
return (WINDOWS) ? new String[] { WINUTILS, "chmod", perm }
return (WINDOWS) ?
new String[] { getWinutilsPath(), "chmod", perm }
: new String[] { "chmod", perm };
}
}
@ -182,45 +223,52 @@ public static String[] getSetPermissionCommand(String perm, boolean recursive) {
* @param file String file to set
* @return String[] containing command and arguments
*/
public static String[] getSetPermissionCommand(String perm, boolean recursive,
String file) {
public static String[] getSetPermissionCommand(String perm,
boolean recursive, String file) {
String[] baseCmd = getSetPermissionCommand(perm, recursive);
String[] cmdWithFile = Arrays.copyOf(baseCmd, baseCmd.length + 1);
cmdWithFile[cmdWithFile.length - 1] = file;
return cmdWithFile;
}
/** Return a command to set owner */
/** Return a command to set owner. */
public static String[] getSetOwnerCommand(String owner) {
return (WINDOWS) ? new String[] { WINUTILS, "chown", "\"" + owner + "\"" }
return (WINDOWS) ?
new String[] { getWinutilsPath(), "chown", "\"" + owner + "\"" }
: new String[] { "chown", owner };
}
/** Return a command to create symbolic links */
/** Return a command to create symbolic links. */
public static String[] getSymlinkCommand(String target, String link) {
return WINDOWS ? new String[] { WINUTILS, "symlink", link, target }
return WINDOWS ?
new String[] { getWinutilsPath(), "symlink", link, target }
: new String[] { "ln", "-s", target, link };
}
/** Return a command to read the target of the a symbolic link*/
/** Return a command to read the target of the a symbolic link. */
public static String[] getReadlinkCommand(String link) {
return WINDOWS ? new String[] { WINUTILS, "readlink", link }
return WINDOWS ?
new String[] { getWinutilsPath(), "readlink", link }
: new String[] { "readlink", link };
}
/** Return a command for determining if process with specified pid is alive. */
/**
* Return a command for determining if process with specified pid is alive.
* @param pid process ID
* @return a <code>kill -0</code> command or equivalent
*/
public static String[] getCheckProcessIsAliveCommand(String pid) {
return getSignalKillCommand(0, pid);
}
/** Return a command to send a signal to a given pid */
/** Return a command to send a signal to a given pid. */
public static String[] getSignalKillCommand(int code, String pid) {
// Code == 0 means check alive
if (Shell.WINDOWS) {
if (0 == code) {
return new String[] { Shell.WINUTILS, "task", "isAlive", pid };
return new String[] {Shell.getWinutilsPath(), "task", "isAlive", pid };
} else {
return new String[] { Shell.WINUTILS, "task", "kill", pid };
return new String[] {Shell.getWinutilsPath(), "task", "kill", pid };
}
}
@ -232,8 +280,10 @@ public static String[] getSignalKillCommand(int code, String pid) {
}
}
/** Regular expression for environment variables: {@value}. */
public static final String ENV_NAME_REGEX = "[A-Za-z_][A-Za-z0-9_]*";
/** Return a regular expression string that match environment variables */
/** Return a regular expression string that match environment variables. */
public static String getEnvironmentVariableRegex() {
return (WINDOWS)
? "%(" + ENV_NAME_REGEX + "?)%"
@ -242,8 +292,8 @@ public static String getEnvironmentVariableRegex() {
/**
* Returns a File referencing a script with the given basename, inside the
* given parent directory. The file extension is inferred by platform: ".cmd"
* on Windows, or ".sh" otherwise.
* given parent directory. The file extension is inferred by platform:
* <code>".cmd"</code> on Windows, or <code>".sh"</code> otherwise.
*
* @param parent File parent directory
* @param basename String script file basename
@ -254,8 +304,10 @@ public static File appendScriptExtension(File parent, String basename) {
}
/**
* Returns a script file name with the given basename. The file extension is
* inferred by platform: ".cmd" on Windows, or ".sh" otherwise.
* Returns a script file name with the given basename.
*
* The file extension is inferred by platform:
* <code>".cmd"</code> on Windows, or <code>".sh"</code> otherwise.
*
* @param basename String script file basename
* @return String script file name
@ -273,123 +325,366 @@ public static String appendScriptExtension(String basename) {
*/
public static String[] getRunScriptCommand(File script) {
String absolutePath = script.getAbsolutePath();
return WINDOWS ? new String[] { "cmd", "/c", absolutePath } :
new String[] { "/bin/bash", absolutePath };
return WINDOWS ?
new String[] { "cmd", "/c", absolutePath }
: new String[] { "/bin/bash", absolutePath };
}
/** a Unix command to set permission */
/** a Unix command to set permission: {@value}. */
public static final String SET_PERMISSION_COMMAND = "chmod";
/** a Unix command to set owner */
/** a Unix command to set owner: {@value}. */
public static final String SET_OWNER_COMMAND = "chown";
/** a Unix command to set the change user's groups list */
/** a Unix command to set the change user's groups list: {@value}. */
public static final String SET_GROUP_COMMAND = "chgrp";
/** a Unix command to create a link */
/** a Unix command to create a link: {@value}. */
public static final String LINK_COMMAND = "ln";
/** a Unix command to get a link target */
/** a Unix command to get a link target: {@value}. */
public static final String READ_LINK_COMMAND = "readlink";
/**Time after which the executing script would be timedout*/
/**Time after which the executing script would be timedout. */
protected long timeOutInterval = 0L;
/** If or not script timed out*/
private AtomicBoolean timedOut;
private final AtomicBoolean timedOut = new AtomicBoolean(false);
/** Centralized logic to discover and validate the sanity of the Hadoop
* home directory. Returns either NULL or a directory that exists and
* was specified via either -Dhadoop.home.dir or the HADOOP_HOME ENV
* variable. This does a lot of work so it should only be called
/**
* Centralized logic to discover and validate the sanity of the Hadoop
* home directory.
*
* This does a lot of work so it should only be called
* privately for initialization once per process.
**/
private static String checkHadoopHome() {
*
* @return A directory that exists and via was specified on the command line
* via <code>-Dhadoop.home.dir</code> or the <code>HADOOP_HOME</code>
* environment variable.
* @throws FileNotFoundException if the properties are absent or the specified
* path is not a reference to a valid directory.
*/
private static File checkHadoopHome() throws FileNotFoundException {
// first check the Dflag hadoop.home.dir with JVM scope
String home = System.getProperty("hadoop.home.dir");
String home = System.getProperty(SYSPROP_HADOOP_HOME_DIR);
// fall back to the system/user-global env variable
if (home == null) {
home = System.getenv("HADOOP_HOME");
home = System.getenv(ENV_HADOOP_HOME);
}
return checkHadoopHomeInner(home);
}
try {
/*
A set of exception strings used to construct error messages;
these are referred to in tests
*/
static final String E_DOES_NOT_EXIST = "does not exist";
static final String E_IS_RELATIVE = "is not an absolute path.";
static final String E_NOT_DIRECTORY = "is not a directory.";
static final String E_NO_EXECUTABLE = "Could not locate Hadoop executable";
static final String E_NOT_EXECUTABLE_FILE = "Not an executable file";
static final String E_HADOOP_PROPS_UNSET = ENV_HADOOP_HOME + " and "
+ SYSPROP_HADOOP_HOME_DIR + " are unset.";
static final String E_HADOOP_PROPS_EMPTY = ENV_HADOOP_HOME + " or "
+ SYSPROP_HADOOP_HOME_DIR + " set to an empty string";
static final String E_NOT_A_WINDOWS_SYSTEM = "Not a Windows system";
/**
* Validate the accessibility of the Hadoop home directory.
*
* @return A directory that is expected to be the hadoop home directory
* @throws FileNotFoundException if the specified
* path is not a reference to a valid directory.
*/
@VisibleForTesting
static File checkHadoopHomeInner(String home) throws FileNotFoundException {
// couldn't find either setting for hadoop's home directory
if (home == null) {
throw new IOException("HADOOP_HOME or hadoop.home.dir are not set.");
throw new FileNotFoundException(E_HADOOP_PROPS_UNSET);
}
// strip off leading and trailing double quotes
while (home.startsWith("\"")) {
home = home.substring(1);
}
while (home.endsWith("\"")) {
home = home.substring(0, home.length() - 1);
}
if (home.startsWith("\"") && home.endsWith("\"")) {
home = home.substring(1, home.length()-1);
// after stripping any quotes, check for home dir being non-empty
if (home.isEmpty()) {
throw new FileNotFoundException(E_HADOOP_PROPS_EMPTY);
}
// check that the home setting is actually a directory that exists
// check that the hadoop home dir value
// is an absolute reference to a directory
File homedir = new File(home);
if (!homedir.isAbsolute() || !homedir.exists() || !homedir.isDirectory()) {
throw new IOException("Hadoop home directory " + homedir
+ " does not exist, is not a directory, or is not an absolute path.");
if (!homedir.isAbsolute()) {
throw new FileNotFoundException("Hadoop home directory " + homedir
+ " " + E_IS_RELATIVE);
}
if (!homedir.exists()) {
throw new FileNotFoundException("Hadoop home directory " + homedir
+ " " + E_DOES_NOT_EXIST);
}
if (!homedir.isDirectory()) {
throw new FileNotFoundException("Hadoop home directory " + homedir
+ " "+ E_NOT_DIRECTORY);
}
return homedir;
}
home = homedir.getCanonicalPath();
/**
* The Hadoop home directory.
*/
private static final File HADOOP_HOME_FILE;
/**
* Rethrowable cause for the failure to determine the hadoop
* home directory
*/
private static final IOException HADOOP_HOME_DIR_FAILURE_CAUSE;
static {
File home;
IOException ex;
try {
home = checkHadoopHome();
ex = null;
} catch (IOException ioe) {
if (LOG.isDebugEnabled()) {
LOG.debug("Failed to detect a valid hadoop home directory", ioe);
}
ex = ioe;
home = null;
}
return home;
}
private static String HADOOP_HOME_DIR = checkHadoopHome();
// Public getter, throws an exception if HADOOP_HOME failed validation
// checks and is being referenced downstream.
public static final String getHadoopHome() throws IOException {
if (HADOOP_HOME_DIR == null) {
throw new IOException("Misconfigured HADOOP_HOME cannot be referenced.");
HADOOP_HOME_FILE = home;
HADOOP_HOME_DIR_FAILURE_CAUSE = ex;
}
return HADOOP_HOME_DIR;
/**
* Optionally extend an error message with some OS-specific text.
* @param message core error message
* @return error message, possibly with some extra text
*/
private static String addOsText(String message) {
return WINDOWS ? (message + " -see " + WINDOWS_PROBLEMS) : message;
}
/** fully qualify the path to a binary that should be in a known hadoop
/**
* Create a {@code FileNotFoundException} with the inner nested cause set
* to the given exception. Compensates for the fact that FNFE doesn't
* have an initializer that takes an exception.
* @param text error text
* @param ex inner exception
* @return a new exception to throw.
*/
private static FileNotFoundException fileNotFoundException(String text,
Exception ex) {
return (FileNotFoundException) new FileNotFoundException(text)
.initCause(ex);
}
/**
* Get the Hadoop home directory. Raises an exception if not found
* @return the home dir
* @throws IOException if the home directory cannot be located.
*/
public static String getHadoopHome() throws IOException {
return getHadoopHomeDir().getCanonicalPath();
}
/**
* Get the Hadoop home directory. If it is invalid,
* throw an exception.
* @return a path referring to hadoop home.
* @throws FileNotFoundException if the directory doesn't exist.
*/
private static File getHadoopHomeDir() throws FileNotFoundException {
if (HADOOP_HOME_DIR_FAILURE_CAUSE != null) {
throw fileNotFoundException(
addOsText(HADOOP_HOME_DIR_FAILURE_CAUSE.toString()),
HADOOP_HOME_DIR_FAILURE_CAUSE);
}
return HADOOP_HOME_FILE;
}
/**
* Fully qualify the path to a binary that should be in a known hadoop
* bin location. This is primarily useful for disambiguating call-outs
* to executable sub-components of Hadoop to avoid clashes with other
* executables that may be in the path. Caveat: this call doesn't
* just format the path to the bin directory. It also checks for file
* existence of the composed path. The output of this call should be
* cached by callers.
* */
public static final String getQualifiedBinPath(String executable)
throws IOException {
*
* @param executable executable
* @return executable file reference
* @throws FileNotFoundException if the path does not exist
*/
public static File getQualifiedBin(String executable)
throws FileNotFoundException {
// construct hadoop bin path to the specified executable
String fullExeName = HADOOP_HOME_DIR + File.separator + "bin"
+ File.separator + executable;
return getQualifiedBinInner(getHadoopHomeDir(), executable);
}
File exeFile = new File(fullExeName);
/**
* Inner logic of {@link #getQualifiedBin(String)}, accessible
* for tests.
* @param hadoopHomeDir home directory (assumed to be valid)
* @param executable executable
* @return path to the binary
* @throws FileNotFoundException if the executable was not found/valid
*/
static File getQualifiedBinInner(File hadoopHomeDir, String executable)
throws FileNotFoundException {
String binDirText = "Hadoop bin directory ";
File bin = new File(hadoopHomeDir, "bin");
if (!bin.exists()) {
throw new FileNotFoundException(addOsText(binDirText + E_DOES_NOT_EXIST
+ ": " + bin));
}
if (!bin.isDirectory()) {
throw new FileNotFoundException(addOsText(binDirText + E_NOT_DIRECTORY
+ ": " + bin));
}
File exeFile = new File(bin, executable);
if (!exeFile.exists()) {
throw new IOException("Could not locate executable " + fullExeName
+ " in the Hadoop binaries.");
throw new FileNotFoundException(
addOsText(E_NO_EXECUTABLE + ": " + exeFile));
}
return exeFile.getCanonicalPath();
if (!exeFile.isFile()) {
throw new FileNotFoundException(
addOsText(E_NOT_EXECUTABLE_FILE + ": " + exeFile));
}
/** a Windows utility to emulate Unix commands */
public static final String WINUTILS = getWinUtilsPath();
public static final String getWinUtilsPath() {
String winUtilsPath = null;
try {
if (WINDOWS) {
winUtilsPath = getQualifiedBinPath("winutils.exe");
return exeFile.getCanonicalFile();
} catch (IOException e) {
// this isn't going to happen, because of all the upfront checks.
// so if it does, it gets converted to a FNFE and rethrown
throw fileNotFoundException(e.toString(), e);
}
} catch (IOException ioe) {
LOG.error("Failed to locate the winutils binary in the hadoop binary path",
ioe);
}
return winUtilsPath;
/**
* Fully qualify the path to a binary that should be in a known hadoop
* bin location. This is primarily useful for disambiguating call-outs
* to executable sub-components of Hadoop to avoid clashes with other
* executables that may be in the path. Caveat: this call doesn't
* just format the path to the bin directory. It also checks for file
* existence of the composed path. The output of this call should be
* cached by callers.
*
* @param executable executable
* @return executable file reference
* @throws FileNotFoundException if the path does not exist
* @throws IOException on path canonicalization failures
*/
public static String getQualifiedBinPath(String executable)
throws IOException {
return getQualifiedBin(executable).getCanonicalPath();
}
/**
* Location of winutils as a string; null if not found.
* <p>
* <i>Important: caller must check for this value being null</i>.
* The lack of such checks has led to many support issues being raised.
* <p>
* @deprecated use one of the exception-raising getter methods,
* specifically {@link #getWinutilsPath()} or {@link #getWinutilsFile()}
*/
@Deprecated
public static final String WINUTILS;
/** Canonical path to winutils, private to Shell. */
private static final String WINUTILS_PATH;
/** file reference to winutils. */
private static final File WINUTILS_FILE;
/** the exception raised on a failure to init the WINUTILS fields. */
private static final IOException WINUTILS_FAILURE;
/*
* Static WINUTILS_* field initializer.
* On non-Windows systems sets the paths to null, and
* adds a specific exception to the failure cause, so
* that on any attempt to resolve the paths will raise
* a meaningful exception.
*/
static {
IOException ioe = null;
String path = null;
File file = null;
// invariant: either there's a valid file and path,
// or there is a cached IO exception.
if (WINDOWS) {
try {
file = getQualifiedBin(WINUTILS_EXE);
path = file.getCanonicalPath();
ioe = null;
} catch (IOException e) {
LOG.warn("Did not find {}: {}", WINUTILS_EXE, e);
// stack trace comes at debug level
LOG.debug("Failed to find " + WINUTILS_EXE, e);
file = null;
path = null;
ioe = e;
}
} else {
// on a non-windows system, the invariant is kept
// by adding an explicit exception.
ioe = new FileNotFoundException(E_NOT_A_WINDOWS_SYSTEM);
}
WINUTILS_PATH = path;
WINUTILS_FILE = file;
WINUTILS = path;
WINUTILS_FAILURE = ioe;
}
/**
* Predicate to indicate whether or not the path to winutils is known.
*
* If true, then {@link #WINUTILS} is non-null, and both
* {@link #getWinutilsPath()} and {@link #getWinutilsFile()}
* will successfully return this value. Always false on non-windows systems.
* @return true if there is a valid path to the binary
*/
public static boolean hasWinutilsPath() {
return WINUTILS_PATH != null;
}
/**
* Locate the winutils binary, or fail with a meaningful
* exception and stack trace as an RTE.
* This method is for use in methods which don't explicitly throw
* an <code>IOException</code>.
* @return the path to {@link #WINUTILS_EXE}
* @throws RuntimeException if the path is not resolvable
*/
public static String getWinutilsPath() {
if (WINUTILS_FAILURE == null) {
return WINUTILS_PATH;
} else {
throw new RuntimeException(WINUTILS_FAILURE.toString(),
WINUTILS_FAILURE);
}
}
/**
* Get a file reference to winutils.
* Always raises an exception if there isn't one
* @return the file instance referring to the winutils bin.
* @throws FileNotFoundException on any failure to locate that file.
*/
public static File getWinutilsFile() throws FileNotFoundException {
if (WINUTILS_FAILURE == null) {
return WINUTILS_FILE;
} else {
// raise a new exception to generate a new stack trace
throw fileNotFoundException(WINUTILS_FAILURE.toString(),
WINUTILS_FAILURE);
}
}
public static final boolean isBashSupported = checkIsBashSupported();
@ -412,7 +707,15 @@ private static boolean checkIsBashSupported() {
return supported;
}
/**
* Flag which is true if setsid exists.
*/
public static final boolean isSetsidAvailable = isSetsidSupported();
/**
* Look for <code>setsid</code>.
* @return true if <code>setsid</code> was present
*/
private static boolean isSetsidSupported() {
if (Shell.WINDOWS) {
return false;
@ -427,7 +730,8 @@ private static boolean isSetsidSupported() {
LOG.debug("setsid is not available on this machine. So not using it.");
setsidSupported = false;
} catch (Error err) {
if (err.getMessage().contains("posix_spawn is not " +
if (err.getMessage() != null
&& err.getMessage().contains("posix_spawn is not " +
"a supported process launch mechanism")
&& (Shell.FREEBSD || Shell.MAC)) {
// HADOOP-11924: This is a workaround to avoid failure of class init
@ -444,68 +748,85 @@ private static boolean isSetsidSupported() {
return setsidSupported;
}
/** Token separator regex used to parse Shell tool outputs */
/** Token separator regex used to parse Shell tool outputs. */
public static final String TOKEN_SEPARATOR_REGEX
= WINDOWS ? "[|\n\r]" : "[ \t\n\r\f]";
private long interval; // refresh interval in msec
private long lastTime; // last time the command was performed
final private boolean redirectErrorStream; // merge stdout and stderr
private final boolean redirectErrorStream; // merge stdout and stderr
private Map<String, String> environment; // env for the command execution
private File dir;
private Process process; // sub process used to execute the command
private int exitCode;
/**If or not script finished executing*/
private volatile AtomicBoolean completed;
/** Flag to indicate whether or not the script has finished executing. */
private final AtomicBoolean completed = new AtomicBoolean(false);
public Shell() {
/**
* Create an instance with no minimum interval between runs; stderr is
* not merged with stdout.
*/
protected Shell() {
this(0L);
}
public Shell(long interval) {
/**
* Create an instance with a minimum interval between executions; stderr is
* not merged with stdout.
* @param interval interval in milliseconds between command executions.
*/
protected Shell(long interval) {
this(interval, false);
}
/**
* @param interval the minimum duration to wait before re-executing the
* command.
* Create a shell instance which can be re-executed when the {@link #run()}
* method is invoked with a given elapsed time between calls.
*
* @param interval the minimum duration in milliseconds to wait before
* re-executing the command. If set to 0, there is no minimum.
* @param redirectErrorStream should the error stream be merged with
* the normal output stream?
*/
public Shell(long interval, boolean redirectErrorStream) {
protected Shell(long interval, boolean redirectErrorStream) {
this.interval = interval;
this.lastTime = (interval<0) ? 0 : -interval;
this.lastTime = (interval < 0) ? 0 : -interval;
this.redirectErrorStream = redirectErrorStream;
}
/** set the environment for the command
/**
* Set the environment for the command.
* @param env Mapping of environment variables
*/
protected void setEnvironment(Map<String, String> env) {
this.environment = env;
}
/** set the working directory
* @param dir The directory where the command would be executed
/**
* Set the working directory.
* @param dir The directory where the command will be executed
*/
protected void setWorkingDirectory(File dir) {
this.dir = dir;
}
/** check to see if a command needs to be executed and execute if needed */
/** Check to see if a command needs to be executed and execute if needed. */
protected void run() throws IOException {
if (lastTime + interval > Time.monotonicNow())
if (lastTime + interval > Time.monotonicNow()) {
return;
}
exitCode = 0; // reset for next run
runCommand();
}
/** Run a command */
/** Run the command. */
private void runCommand() throws IOException {
ProcessBuilder builder = new ProcessBuilder(getExecString());
Timer timeOutTimer = null;
ShellTimeoutTimerTask timeoutTimerTask = null;
timedOut = new AtomicBoolean(false);
completed = new AtomicBoolean(false);
timedOut.set(false);
completed.set(false);
if (environment != null) {
builder.environment().putAll(this.environment);
@ -641,7 +962,7 @@ private static void joinThread(Thread t) {
}
}
/** return an array containing the command name & its parameters */
/** return an array containing the command name and its parameters. */
protected abstract String[] getExecString();
/** Parse the execution result */
@ -649,20 +970,22 @@ protected abstract void parseExecResult(BufferedReader lines)
throws IOException;
/**
* Get the environment variable
* Get an environment variable.
* @param env the environment var
* @return the value or null if it was unset.
*/
public String getEnvironment(String env) {
return environment.get(env);
}
/** get the current sub-process executing the given command
/** get the current sub-process executing the given command.
* @return process executing the command
*/
public Process getProcess() {
return process;
}
/** get the exit code
/** get the exit code.
* @return the exit code of the process
*/
public int getExitCode() {
@ -746,7 +1069,7 @@ public ShellCommandExecutor(String[] execString, File dir,
* key-value pairs specified in the map. If null, the current
* environment is not modified.
* @param timeout Specifies the time in milliseconds, after which the
* command will be killed and the status marked as timedout.
* command will be killed and the status marked as timed-out.
* If 0, the command will not be timed out.
*/
public ShellCommandExecutor(String[] execString, File dir,
@ -761,9 +1084,18 @@ public ShellCommandExecutor(String[] execString, File dir,
timeOutInterval = timeout;
}
/** Execute the shell command. */
/**
* Execute the shell command.
* @throws IOException if the command fails, or if the command is
* not well constructed.
*/
public void execute() throws IOException {
for (String s : command) {
if (s == null) {
throw new IOException("(null) entry in command string: "
+ StringUtils.join(" ", command));
}
}
this.run();
}
@ -782,7 +1114,7 @@ protected void parseExecResult(BufferedReader lines) throws IOException {
}
}
/** Get the output of the shell command.*/
/** Get the output of the shell command. */
public String getOutput() {
return (output == null) ? "" : output.toString();
}
@ -825,7 +1157,7 @@ public boolean isTimedOut() {
}
/**
* Set if the command has timed out.
* Declare that the command has timed out.
*
*/
private void setTimedOut() {
@ -850,7 +1182,8 @@ public static String execCommand(String ... cmd) throws IOException {
* @param env the map of environment key=value
* @param cmd shell command to execute.
* @param timeout time in milliseconds after which script should be marked timeout
* @return the output of the executed command.o
* @return the output of the executed command.
* @throws IOException on any problem.
*/
public static String execCommand(Map<String, String> env, String[] cmd,
@ -868,6 +1201,7 @@ public static String execCommand(Map<String, String> env, String[] cmd,
* @param env the map of environment key=value
* @param cmd shell command to execute.
* @return the output of the executed command.
* @throws IOException on any problem.
*/
public static String execCommand(Map<String,String> env, String ... cmd)
throws IOException {
@ -879,7 +1213,7 @@ public static String execCommand(Map<String,String> env, String ... cmd)
*/
private static class ShellTimeoutTimerTask extends TimerTask {
private Shell shell;
private final Shell shell;
public ShellTimeoutTimerTask(Shell shell) {
this.shell = shell;

5
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SysInfoWindows.java
View File

@ -70,9 +70,10 @@ void reset() {
}
String getSystemInfoInfoFromShell() {
ShellCommandExecutor shellExecutor = new ShellCommandExecutor(
new String[] {Shell.WINUTILS, "systeminfo" });
try {
ShellCommandExecutor shellExecutor = new ShellCommandExecutor(
new String[] {Shell.getWinutilsFile().getCanonicalPath(),
"systeminfo" });
shellExecutor.execute();
return shellExecutor.getOutput();
} catch (IOException e) {

26
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/SymlinkBaseTest.java
View File

@ -52,13 +52,6 @@ public abstract class SymlinkBaseTest {
abstract protected String testBaseDir2() throws IOException;
abstract protected URI testURI();
// Returns true if the filesystem is emulating symlink support. Certain
// checks will be bypassed if that is the case.
//
protected boolean emulatingSymlinksOnWindows() {
return false;
}
protected IOException unwrapException(IOException e) {
return e;
}
@ -235,7 +228,6 @@ public void testOpenResolvesLinks() throws IOException {
@Test(timeout=10000)
/** Stat a link to a file */
public void testStatLinkToFile() throws IOException {
assumeTrue(!emulatingSymlinksOnWindows());
Path file = new Path(testBaseDir1()+"/file");
Path linkToFile = new Path(testBaseDir1()+"/linkToFile");
createAndWriteFile(file);
@ -362,11 +354,6 @@ public void testRecursiveLinks() throws IOException {
private void checkLink(Path linkAbs, Path expectedTarget, Path targetQual)
throws IOException {
// If we are emulating symlinks then many of these checks will fail
// so we skip them.
//
assumeTrue(!emulatingSymlinksOnWindows());
Path dir = new Path(testBaseDir1());
// isFile/Directory
assertTrue(wrapper.isFile(linkAbs));
@ -663,7 +650,6 @@ public void testCreateDirViaSymlink() throws IOException {
@Test(timeout=10000)
/** Create symlink through a symlink */
public void testCreateLinkViaLink() throws IOException {
assumeTrue(!emulatingSymlinksOnWindows());
Path dir1 = new Path(testBaseDir1());
Path file = new Path(testBaseDir1(), "file");
Path linkToDir = new Path(testBaseDir2(), "linkToDir");
@ -706,7 +692,6 @@ public void testListStatusUsingLink() throws IOException {
@Test(timeout=10000)
/** Test create symlink using the same path */
public void testCreateLinkTwice() throws IOException {
assumeTrue(!emulatingSymlinksOnWindows());
Path file = new Path(testBaseDir1(), "file");
Path link = new Path(testBaseDir1(), "linkToFile");
createAndWriteFile(file);
@ -895,8 +880,7 @@ public void testRenameSymlinkViaSymlink() throws IOException {
assertFalse(wrapper.exists(linkViaLink));
// Check that we didn't rename the link target
assertTrue(wrapper.exists(file));
assertTrue(wrapper.getFileLinkStatus(linkNewViaLink).isSymlink() ||
emulatingSymlinksOnWindows());
assertTrue(wrapper.getFileLinkStatus(linkNewViaLink).isSymlink());
readFile(linkNewViaLink);
}
@ -1034,8 +1018,7 @@ public void testRenameSymlinkNonExistantDest() throws IOException {
createAndWriteFile(file);
wrapper.createSymlink(file, link1, false);
wrapper.rename(link1, link2);
assertTrue(wrapper.getFileLinkStatus(link2).isSymlink() ||
emulatingSymlinksOnWindows());
assertTrue(wrapper.getFileLinkStatus(link2).isSymlink());
readFile(link2);
readFile(file);
assertFalse(wrapper.exists(link1));
@ -1059,12 +1042,9 @@ public void testRenameSymlinkToExistingFile() throws IOException {
}
wrapper.rename(link, file1, Rename.OVERWRITE);
assertFalse(wrapper.exists(link));
if (!emulatingSymlinksOnWindows()) {
assertTrue(wrapper.getFileLinkStatus(file1).isSymlink());
assertEquals(file2, wrapper.getLinkTarget(file1));
}
}
@Test(timeout=10000)
/** Rename a symlink to a directory that exists */
@ -1125,7 +1105,6 @@ public void testRenameSymlinkToItself() throws IOException {
@Test(timeout=10000)
/** Rename a symlink */
public void testRenameSymlink() throws IOException {
assumeTrue(!emulatingSymlinksOnWindows());
Path file = new Path(testBaseDir1(), "file");
Path link1 = new Path(testBaseDir1(), "linkToFile1");
Path link2 = new Path(testBaseDir1(), "linkToFile2");
@ -1223,7 +1202,6 @@ public void testRenameSymlinkToDirItLinksTo() throws IOException {
@Test(timeout=10000)
/** Test rename the symlink's target */
public void testRenameLinkTarget() throws IOException {
assumeTrue(!emulatingSymlinksOnWindows());
Path file = new Path(testBaseDir1(), "file");
Path fileNew = new Path(testBaseDir1(), "fileNew");
Path link = new Path(testBaseDir1(), "linkToFile");

6
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileUtil.java
View File

@ -983,13 +983,7 @@ public void testSymlinkLength() throws Exception {
file.delete();
Assert.assertFalse(file.exists());
if (Shell.WINDOWS && !Shell.isJava7OrAbove()) {
// On Java6 on Windows, we copied the file
Assert.assertEquals(data.length, link.length());
} else {
// Otherwise, the target file size is zero
Assert.assertEquals(0, link.length());
}
link.delete();
Assert.assertFalse(link.exists());

11
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestSymlinkLocalFS.java
View File

@ -68,16 +68,6 @@ protected URI testURI() {
}
}
@Override
protected boolean emulatingSymlinksOnWindows() {
// Java 6 on Windows has very poor symlink support. Specifically
// Specifically File#length and File#renameTo do not work as expected.
// (see HADOOP-9061 for additional details)
// Hence some symlink tests will be skipped.
//
return (Shell.WINDOWS && !Shell.isJava7OrAbove());
}
@Override
public void testCreateDanglingLink() throws IOException {
// Dangling symlinks are not supported on Windows local file system.
@ -186,7 +176,6 @@ public void testDanglingLink() throws IOException {
* file scheme (eg file://host/tmp/test).
*/
public void testGetLinkStatusPartQualTarget() throws IOException {
assumeTrue(!emulatingSymlinksOnWindows());
Path fileAbs = new Path(testBaseDir1()+"/file");
Path fileQual = new Path(testURI().toString(), fileAbs);
Path dir = new Path(testBaseDir1());

3
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUserGroupInformation.java
View File

@ -218,7 +218,8 @@ public void testGetServerSideGroups() throws IOException,
}
// get the groups
pp = Runtime.getRuntime().exec(Shell.WINDOWS ?
Shell.WINUTILS + " groups -F" : "id -Gn");
Shell.getWinutilsPath() + " groups -F"
: "id -Gn");
br = new BufferedReader(new InputStreamReader(pp.getInputStream()));
String line = br.readLine();

255
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestShell.java
View File

@ -17,11 +17,12 @@
*/
package org.apache.hadoop.util;
import junit.framework.TestCase;
import org.apache.commons.io.FileUtils;
import org.junit.Assert;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
@ -30,8 +31,31 @@
import java.lang.management.ThreadMXBean;
import org.apache.hadoop.fs.FileUtil;
import static org.apache.hadoop.util.Shell.*;
import org.junit.Assume;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestName;
import org.junit.rules.Timeout;
public class TestShell extends TestCase {
public class TestShell extends Assert {
/**
* Set the timeout for every test
*/
@Rule
public Timeout testTimeout = new Timeout(30000);
@Rule
public TestName methodName = new TestName();
private File rootTestDir = new File(System.getProperty("test.build.data", "target/"));
/**
* A filename generated uniquely for each test method. The file
* itself is neither created nor deleted during test setup/teardown.
*/
private File methodDir;
private static class Command extends Shell {
private int runCount = 0;
@ -45,7 +69,7 @@ protected String[] getExecString() {
// There is no /bin/echo equivalent on Windows so just launch it as a
// shell built-in.
//
return Shell.WINDOWS ?
return WINDOWS ?
(new String[] {"cmd.exe", "/c", "echo", "hello"}) :
(new String[] {"echo", "hello"});
}
@ -60,6 +84,14 @@ public int getRunCount() {
}
}
@Before
public void setup() {
rootTestDir.mkdirs();
assertTrue("Not a directory " + rootTestDir, rootTestDir.isDirectory());
methodDir = new File(rootTestDir, methodName.getMethodName());
}
@Test
public void testInterval() throws IOException {
testInterval(Long.MIN_VALUE / 60000); // test a negative interval
testInterval(0L); // test a zero interval
@ -79,6 +111,7 @@ private void assertInString(String string, String search) {
}
}
@Test
public void testShellCommandExecutorToString() throws Throwable {
Shell.ShellCommandExecutor sce=new Shell.ShellCommandExecutor(
new String[] { "ls", "..","arg 2"});
@ -88,21 +121,19 @@ public void testShellCommandExecutorToString() throws Throwable {
assertInString(command, "\"arg 2\"");
}
@Test
public void testShellCommandTimeout() throws Throwable {
if(Shell.WINDOWS) {
// setExecutable does not work on Windows
return;
}
String rootDir = new File(System.getProperty(
"test.build.data", "/tmp")).getAbsolutePath();
Assume.assumeFalse(WINDOWS);
String rootDir = rootTestDir.getAbsolutePath();
File shellFile = new File(rootDir, "timeout.sh");
String timeoutCommand = "sleep 4; echo \"hello\"";
PrintWriter writer = new PrintWriter(new FileOutputStream(shellFile));
Shell.ShellCommandExecutor shexc;
try (PrintWriter writer = new PrintWriter(new FileOutputStream(shellFile))) {
writer.println(timeoutCommand);
writer.close();
}
FileUtil.setExecutable(shellFile, true);
Shell.ShellCommandExecutor shexc
= new Shell.ShellCommandExecutor(new String[]{shellFile.getAbsolutePath()},
shexc = new Shell.ShellCommandExecutor(new String[]{shellFile.getAbsolutePath()},
null, null, 100);
try {
shexc.execute();
@ -110,7 +141,7 @@ public void testShellCommandTimeout() throws Throwable {
//When timing out exception is thrown.
}
shellFile.delete();
assertTrue("Script didnt not timeout" , shexc.isTimedOut());
assertTrue("Script did not timeout" , shexc.isTimedOut());
}
private static int countTimerThreads() {
@ -130,6 +161,7 @@ private static int countTimerThreads() {
return count;
}
@Test
public void testShellCommandTimerLeak() throws Exception {
String quickCommand[] = new String[] {"/bin/sleep", "100"};
@ -152,16 +184,17 @@ public void testShellCommandTimerLeak() throws Exception {
assertEquals(timersBefore, timersAfter);
}
@Test
public void testGetCheckProcessIsAliveCommand() throws Exception {
String anyPid = "9999";
String[] checkProcessAliveCommand = Shell.getCheckProcessIsAliveCommand(
String[] checkProcessAliveCommand = getCheckProcessIsAliveCommand(
anyPid);
String[] expectedCommand;
if (Shell.WINDOWS) {
expectedCommand =
new String[]{ Shell.WINUTILS, "task", "isAlive", anyPid };
new String[]{getWinutilsPath(), "task", "isAlive", anyPid };
} else if (Shell.isSetsidAvailable) {
expectedCommand = new String[] { "bash", "-c", "kill -0 -- -" + anyPid };
} else {
@ -170,17 +203,18 @@ public void testGetCheckProcessIsAliveCommand() throws Exception {
Assert.assertArrayEquals(expectedCommand, checkProcessAliveCommand);
}
@Test
public void testGetSignalKillCommand() throws Exception {
String anyPid = "9999";
int anySignal = 9;
String[] checkProcessAliveCommand = Shell.getSignalKillCommand(anySignal,
String[] checkProcessAliveCommand = getSignalKillCommand(anySignal,
anyPid);
String[] expectedCommand;
if (Shell.WINDOWS) {
expectedCommand =
new String[]{ Shell.WINUTILS, "task", "isAlive", anyPid };
new String[]{getWinutilsPath(), "task", "kill", anyPid };
} else if (Shell.isSetsidAvailable) {
expectedCommand = new String[] { "bash", "-c", "kill -9 -- -" + anyPid };
} else {
@ -189,7 +223,6 @@ public void testGetSignalKillCommand() throws Exception {
Assert.assertArrayEquals(expectedCommand, checkProcessAliveCommand);
}
private void testInterval(long interval) throws IOException {
Command command = new Command(interval);
@ -203,4 +236,190 @@ private void testInterval(long interval) throws IOException {
assertEquals(2, command.getRunCount());
}
}
@Test
public void testHadoopHomeUnset() throws Throwable {
assertHomeResolveFailed(null, "unset");
}
@Test
public void testHadoopHomeEmpty() throws Throwable {
assertHomeResolveFailed("", E_HADOOP_PROPS_EMPTY);
}
@Test
public void testHadoopHomeEmptyDoubleQuotes() throws Throwable {
assertHomeResolveFailed("\"\"", E_HADOOP_PROPS_EMPTY);
}
@Test
public void testHadoopHomeEmptySingleQuote() throws Throwable {
assertHomeResolveFailed("\"", E_HADOOP_PROPS_EMPTY);
}
@Test
public void testHadoopHomeValid() throws Throwable {
File f = checkHadoopHomeInner(rootTestDir.getCanonicalPath());
assertEquals(rootTestDir, f);
}
@Test
public void testHadoopHomeValidQuoted() throws Throwable {
File f = checkHadoopHomeInner('"'+ rootTestDir.getCanonicalPath() + '"');
assertEquals(rootTestDir, f);
}
@Test
public void testHadoopHomeNoDir() throws Throwable {
assertHomeResolveFailed(methodDir.getCanonicalPath(), E_DOES_NOT_EXIST);
}
@Test
public void testHadoopHomeNotADir() throws Throwable {
File touched = touch(methodDir);
try {
assertHomeResolveFailed(touched.getCanonicalPath(), E_NOT_DIRECTORY);
} finally {
FileUtils.deleteQuietly(touched);
}
}
@Test
public void testHadoopHomeRelative() throws Throwable {
assertHomeResolveFailed("./target", E_IS_RELATIVE);
}
@Test
public void testBinDirMissing() throws Throwable {
FileNotFoundException ex = assertWinutilsResolveFailed(methodDir,
E_DOES_NOT_EXIST);
assertInString(ex.toString(), "Hadoop bin directory");
}
@Test
public void testHadoopBinNotADir() throws Throwable {
File bin = new File(methodDir, "bin");
touch(bin);
try {
assertWinutilsResolveFailed(methodDir, E_NOT_DIRECTORY);
} finally {
FileUtils.deleteQuietly(methodDir);
}
}
@Test
public void testBinWinUtilsFound() throws Throwable {
try {
File bin = new File(methodDir, "bin");
File winutils = new File(bin, WINUTILS_EXE);
touch(winutils);
assertEquals(winutils.getCanonicalPath(),
getQualifiedBinInner(methodDir, WINUTILS_EXE).getCanonicalPath());
} finally {
FileUtils.deleteQuietly(methodDir);
}
}
@Test
public void testBinWinUtilsNotAFile() throws Throwable {
try {
File bin = new File(methodDir, "bin");
File winutils = new File(bin, WINUTILS_EXE);
winutils.mkdirs();
assertWinutilsResolveFailed(methodDir, E_NOT_EXECUTABLE_FILE);
} finally {
FileUtils.deleteDirectory(methodDir);
}
}
/**
* This test takes advantage of the invariant winutils path is valid
* or access to it will raise an exception holds on Linux, and without
* any winutils binary even if HADOOP_HOME points to a real hadoop
* directory, the exception reporting can be validated
*/
@Test
public void testNoWinutilsOnUnix() throws Throwable {
Assume.assumeFalse(WINDOWS);
try {
getWinutilsFile();
} catch (FileNotFoundException ex) {
assertExContains(ex, E_NOT_A_WINDOWS_SYSTEM);
}
try {
getWinutilsPath();
} catch (RuntimeException ex) {
assertExContains(ex, E_NOT_A_WINDOWS_SYSTEM);
if ( ex.getCause() == null
|| !(ex.getCause() instanceof FileNotFoundException)) {
throw ex;
}
}
}
/**
* Touch a file; creating parent dirs on demand.
* @param path path of file
* @return the file created
* @throws IOException on any failure to write
*/
private File touch(File path) throws IOException {
path.getParentFile().mkdirs();
FileUtils.writeByteArrayToFile(path, new byte[]{});
return path;
}
/**
* Assert that an attept to resolve the hadoop home dir failed with
* an expected text in the exception string value.
* @param path input
* @param expectedText expected exception text
* @return the caught exception
* @throws FileNotFoundException any FileNotFoundException that was thrown
* but which did not contain the expected text
*/
private FileNotFoundException assertHomeResolveFailed(String path,
String expectedText) throws Exception {
try {
File f = checkHadoopHomeInner(path);
fail("Expected an exception with the text `" + expectedText + "`"
+ " -but got the path " + f);
// unreachable
return null;
} catch (FileNotFoundException ex) {
assertExContains(ex, expectedText);
return ex;
}
}
/**
* Assert that an attept to resolve the {@code bin/winutils.exe} failed with
* an expected text in the exception string value.
* @param hadoopHome hadoop home directory
* @param expectedText expected exception text
* @return the caught exception
* @throws Exception any Exception that was thrown
* but which did not contain the expected text
*/
private FileNotFoundException assertWinutilsResolveFailed(File hadoopHome,
String expectedText) throws Exception {
try {
File f = getQualifiedBinInner(hadoopHome, WINUTILS_EXE);
fail("Expected an exception with the text `" + expectedText + "`"
+ " -but got the path " + f);
// unreachable
return null;
} catch (FileNotFoundException ex) {
assertExContains(ex, expectedText);
return ex;
}
}
private void assertExContains(Exception ex, String expectedText)
throws Exception {
if (!ex.toString().contains(expectedText)) {
throw ex;
}
}
}

120
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestWinUtils.java
View File

@ -45,13 +45,18 @@ public class TestWinUtils {
private static final Log LOG = LogFactory.getLog(TestWinUtils.class);
private static File TEST_DIR = new File(System.getProperty("test.build.data",
"/tmp"), TestWinUtils.class.getSimpleName());
"target"+File.pathSeparator + "tmp"), TestWinUtils.class.getSimpleName());
String winutils;
@Before
public void setUp() {
public void setUp() throws IOException {
// Not supported on non-Windows platforms
assumeTrue(Shell.WINDOWS);
TEST_DIR.mkdirs();
assertTrue("Failed to create Test directory " + TEST_DIR,
TEST_DIR.isDirectory() );
winutils = Shell.getWinutilsPath();
}
@After
@ -59,46 +64,55 @@ public void tearDown() throws IOException {
FileUtil.fullyDelete(TEST_DIR);
}
private void requireWinutils() throws IOException {
Shell.getWinutilsPath();
}
// Helper routine that writes the given content to the file.
private void writeFile(File file, String content) throws IOException {
byte[] data = content.getBytes();
FileOutputStream os = new FileOutputStream(file);
try (FileOutputStream os = new FileOutputStream(file)) {
os.write(data);
os.close();
}
}
// Helper routine that reads the first 100 bytes from the file.
private String readFile(File file) throws IOException {
FileInputStream fos = new FileInputStream(file);
byte[] b = new byte[100];
fos.read(b);
return b.toString();
byte[] b;
try (FileInputStream fos = new FileInputStream(file)) {
b = new byte[100];
int count = fos.read(b);
assertEquals(100, count);
}
return new String(b);
}
@Test (timeout = 30000)
public void testLs() throws IOException {
requireWinutils();
final String content = "6bytes";
final int contentSize = content.length();
File testFile = new File(TEST_DIR, "file1");
writeFile(testFile, content);
// Verify permissions and file name return tokens
String testPath = testFile.getCanonicalPath();
String output = Shell.execCommand(
Shell.WINUTILS, "ls", testFile.getCanonicalPath());
winutils, "ls", testPath);
String[] outputArgs = output.split("[ \r\n]");
assertTrue(outputArgs[0].equals("-rwx------"));
assertTrue(outputArgs[outputArgs.length - 1]
.equals(testFile.getCanonicalPath()));
assertEquals("-rwx------", outputArgs[0]);
assertEquals(outputArgs[outputArgs.length - 1], testPath);
// Verify most tokens when using a formatted output (other tokens
// will be verified with chmod/chown)
output = Shell.execCommand(
Shell.WINUTILS, "ls", "-F", testFile.getCanonicalPath());
winutils, "ls", "-F", testPath);
outputArgs = output.split("[|\r\n]");
assertEquals(9, outputArgs.length);
assertTrue(outputArgs[0].equals("-rwx------"));
assertEquals("-rwx------", outputArgs[0]);
assertEquals(contentSize, Long.parseLong(outputArgs[4]));
assertTrue(outputArgs[8].equals(testFile.getCanonicalPath()));
assertEquals(outputArgs[8], testPath);
testFile.delete();
assertFalse(testFile.exists());
@ -106,41 +120,42 @@ public void testLs() throws IOException {
@Test (timeout = 30000)
public void testGroups() throws IOException {
requireWinutils();
String currentUser = System.getProperty("user.name");
// Verify that groups command returns information about the current user
// groups when invoked with no args
String outputNoArgs = Shell.execCommand(
Shell.WINUTILS, "groups").trim();
winutils, "groups").trim();
String output = Shell.execCommand(
Shell.WINUTILS, "groups", currentUser).trim();
winutils, "groups", currentUser).trim();
assertEquals(output, outputNoArgs);
// Verify that groups command with the -F flag returns the same information
String outputFormat = Shell.execCommand(
Shell.WINUTILS, "groups", "-F", currentUser).trim();
winutils, "groups", "-F", currentUser).trim();
outputFormat = outputFormat.replace("|", " ");
assertEquals(output, outputFormat);
}
private void chmod(String mask, File file) throws IOException {
Shell.execCommand(
Shell.WINUTILS, "chmod", mask, file.getCanonicalPath());
winutils, "chmod", mask, file.getCanonicalPath());
}
private void chmodR(String mask, File file) throws IOException {
Shell.execCommand(
Shell.WINUTILS, "chmod", "-R", mask, file.getCanonicalPath());
winutils, "chmod", "-R", mask, file.getCanonicalPath());
}
private String ls(File file) throws IOException {
return Shell.execCommand(
Shell.WINUTILS, "ls", file.getCanonicalPath());
winutils, "ls", file.getCanonicalPath());
}
private String lsF(File file) throws IOException {
return Shell.execCommand(
Shell.WINUTILS, "ls", "-F", file.getCanonicalPath());
winutils, "ls", "-F", file.getCanonicalPath());
}
private void assertPermissions(File file, String expected)
@ -151,6 +166,7 @@ private void assertPermissions(File file, String expected)
private void testChmodInternal(String mode, String expectedPerm)
throws IOException {
requireWinutils();
File a = new File(TEST_DIR, "file1");
assertTrue(a.createNewFile());
@ -168,6 +184,7 @@ private void testChmodInternal(String mode, String expectedPerm)
}
private void testNewFileChmodInternal(String expectedPerm) throws IOException {
requireWinutils();
// Create a new directory
File dir = new File(TEST_DIR, "dir1");
@ -190,6 +207,7 @@ private void testNewFileChmodInternal(String expectedPerm) throws IOException {
private void testChmodInternalR(String mode, String expectedPerm,
String expectedPermx) throws IOException {
requireWinutils();
// Setup test folder hierarchy
File a = new File(TEST_DIR, "a");
assertTrue(a.mkdir());
@ -226,6 +244,7 @@ private void testChmodInternalR(String mode, String expectedPerm,
@Test (timeout = 30000)
public void testBasicChmod() throws IOException {
requireWinutils();
// - Create a file.
// - Change mode to 377 so owner does not have read permission.
// - Verify the owner truly does not have the permissions to read.
@ -249,7 +268,7 @@ public void testBasicChmod() throws IOException {
try {
writeFile(a, "test");
assertFalse("writeFile should have failed!", true);
fail("writeFile should have failed!");
} catch (IOException ex) {
LOG.info("Expected: Failed write to a file with permissions 577");
}
@ -261,14 +280,14 @@ public void testBasicChmod() throws IOException {
// - Change mode to 677 so owner does not have execute permission.
// - Verify the owner truly does not have the permissions to execute the file.
File winutilsFile = new File(Shell.WINUTILS);
File winutilsFile = Shell.getWinutilsFile();
File aExe = new File(TEST_DIR, "a.exe");
FileUtils.copyFile(winutilsFile, aExe);
chmod("677", aExe);
try {
Shell.execCommand(aExe.getCanonicalPath(), "ls");
assertFalse("executing " + aExe + " should have failed!", true);
fail("executing " + aExe + " should have failed!");
} catch (IOException ex) {
LOG.info("Expected: Failed to execute a file with permissions 677");
}
@ -278,6 +297,7 @@ public void testBasicChmod() throws IOException {
/** Validate behavior of chmod commands on directories on Windows. */
@Test (timeout = 30000)
public void testBasicChmodOnDir() throws IOException {
requireWinutils();
// Validate that listing a directory with no read permission fails
File a = new File(TEST_DIR, "a");
File b = new File(a, "b");
@ -287,8 +307,7 @@ public void testBasicChmodOnDir() throws IOException {
// Remove read permissions on directory a
chmod("300", a);
String[] files = a.list();
assertTrue("Listing a directory without read permission should fail",
null == files);
assertNull("Listing a directory without read permission should fail", files);
// restore permissions
chmod("700", a);
@ -306,7 +325,7 @@ public void testBasicChmodOnDir() throws IOException {
// FILE_WRITE_DATA/FILE_ADD_FILE privilege is denied on
// the dir.
c.createNewFile();
assertFalse("writeFile should have failed!", true);
fail("writeFile should have failed!");
} catch (IOException ex) {
LOG.info("Expected: Failed to create a file when directory "
+ "permissions are 577");
@ -356,6 +375,7 @@ public void testBasicChmodOnDir() throws IOException {
@Test (timeout = 30000)
public void testChmod() throws IOException {
requireWinutils();
testChmodInternal("7", "-------rwx");
testChmodInternal("70", "----rwx---");
testChmodInternal("u-x,g+r,o=g", "-rw-r--r--");
@ -376,7 +396,7 @@ public void testChmod() throws IOException {
private void chown(String userGroup, File file) throws IOException {
Shell.execCommand(
Shell.WINUTILS, "chown", userGroup, file.getCanonicalPath());
winutils, "chown", userGroup, file.getCanonicalPath());
}
private void assertOwners(File file, String expectedUser,
@ -390,6 +410,7 @@ private void assertOwners(File file, String expectedUser,
@Test (timeout = 30000)
public void testChown() throws IOException {
requireWinutils();
File a = new File(TEST_DIR, "a");
assertTrue(a.createNewFile());
String username = System.getProperty("user.name");
@ -415,12 +436,13 @@ public void testChown() throws IOException {
@Test (timeout = 30000)
public void testSymlinkRejectsForwardSlashesInLink() throws IOException {
requireWinutils();
File newFile = new File(TEST_DIR, "file");
assertTrue(newFile.createNewFile());
String target = newFile.getPath();
String link = new File(TEST_DIR, "link").getPath().replaceAll("\\\\", "/");
try {
Shell.execCommand(Shell.WINUTILS, "symlink", link, target);
Shell.execCommand(winutils, "symlink", link, target);
fail(String.format("did not receive expected failure creating symlink "
+ "with forward slashes in link: link = %s, target = %s", link, target));
} catch (IOException e) {
@ -431,12 +453,13 @@ public void testSymlinkRejectsForwardSlashesInLink() throws IOException {
@Test (timeout = 30000)
public void testSymlinkRejectsForwardSlashesInTarget() throws IOException {
requireWinutils();
File newFile = new File(TEST_DIR, "file");
assertTrue(newFile.createNewFile());
String target = newFile.getPath().replaceAll("\\\\", "/");
String link = new File(TEST_DIR, "link").getPath();
try {
Shell.execCommand(Shell.WINUTILS, "symlink", link, target);
Shell.execCommand(winutils, "symlink", link, target);
fail(String.format("did not receive expected failure creating symlink "
+ "with forward slashes in target: link = %s, target = %s", link, target));
} catch (IOException e) {
@ -447,6 +470,7 @@ public void testSymlinkRejectsForwardSlashesInTarget() throws IOException {
@Test (timeout = 30000)
public void testReadLink() throws IOException {
requireWinutils();
// Create TEST_DIR\dir1\file1.txt
//
File dir1 = new File(TEST_DIR, "dir1");
@ -462,18 +486,18 @@ public void testReadLink() throws IOException {
// symlink to file1.txt.
//
Shell.execCommand(
Shell.WINUTILS, "symlink", dirLink.toString(), dir1.toString());
winutils, "symlink", dirLink.toString(), dir1.toString());
Shell.execCommand(
Shell.WINUTILS, "symlink", fileLink.toString(), file1.toString());
winutils, "symlink", fileLink.toString(), file1.toString());
// Read back the two links and ensure we get what we expected.
//
String readLinkOutput = Shell.execCommand(Shell.WINUTILS,
String readLinkOutput = Shell.execCommand(winutils,
"readlink",
dirLink.toString());
assertThat(readLinkOutput, equalTo(dir1.toString()));
readLinkOutput = Shell.execCommand(Shell.WINUTILS,
readLinkOutput = Shell.execCommand(winutils,
"readlink",
fileLink.toString());
assertThat(readLinkOutput, equalTo(file1.toString()));
@ -483,7 +507,7 @@ public void testReadLink() throws IOException {
try {
// No link name specified.
//
Shell.execCommand(Shell.WINUTILS, "readlink", "");
Shell.execCommand(winutils, "readlink", "");
fail("Failed to get Shell.ExitCodeException when reading bad symlink");
} catch (Shell.ExitCodeException ece) {
assertThat(ece.getExitCode(), is(1));
@ -492,7 +516,7 @@ public void testReadLink() throws IOException {
try {
// Bad link name.
//
Shell.execCommand(Shell.WINUTILS, "readlink", "ThereIsNoSuchLink");
Shell.execCommand(winutils, "readlink", "ThereIsNoSuchLink");
fail("Failed to get Shell.ExitCodeException when reading bad symlink");
} catch (Shell.ExitCodeException ece) {
assertThat(ece.getExitCode(), is(1));
@ -501,7 +525,7 @@ public void testReadLink() throws IOException {
try {
// Non-symlink directory target.
//
Shell.execCommand(Shell.WINUTILS, "readlink", dir1.toString());
Shell.execCommand(winutils, "readlink", dir1.toString());
fail("Failed to get Shell.ExitCodeException when reading bad symlink");
} catch (Shell.ExitCodeException ece) {
assertThat(ece.getExitCode(), is(1));
@ -510,7 +534,7 @@ public void testReadLink() throws IOException {
try {
// Non-symlink file target.
//
Shell.execCommand(Shell.WINUTILS, "readlink", file1.toString());
Shell.execCommand(winutils, "readlink", file1.toString());
fail("Failed to get Shell.ExitCodeException when reading bad symlink");
} catch (Shell.ExitCodeException ece) {
assertThat(ece.getExitCode(), is(1));
@ -519,7 +543,7 @@ public void testReadLink() throws IOException {
try {
// Too many parameters.
//
Shell.execCommand(Shell.WINUTILS, "readlink", "a", "b");
Shell.execCommand(winutils, "readlink", "a", "b");
fail("Failed to get Shell.ExitCodeException with bad parameters");
} catch (Shell.ExitCodeException ece) {
assertThat(ece.getExitCode(), is(1));
@ -529,6 +553,7 @@ public void testReadLink() throws IOException {
@SuppressWarnings("deprecation")
@Test(timeout=10000)
public void testTaskCreate() throws IOException {
requireWinutils();
File batch = new File(TEST_DIR, "testTaskCreate.cmd");
File proof = new File(TEST_DIR, "testTaskCreate.out");
FileWriter fw = new FileWriter(batch);
@ -538,7 +563,7 @@ public void testTaskCreate() throws IOException {
assertFalse(proof.exists());
Shell.execCommand(Shell.WINUTILS, "task", "create", "testTaskCreate" + testNumber,
Shell.execCommand(winutils, "task", "create", "testTaskCreate" + testNumber,
batch.getAbsolutePath());
assertTrue(proof.exists());
@ -550,30 +575,31 @@ public void testTaskCreate() throws IOException {
@Test (timeout = 30000)
public void testTaskCreateWithLimits() throws IOException {
requireWinutils();
// Generate a unique job id
String jobId = String.format("%f", Math.random());
// Run a task without any options
String out = Shell.execCommand(Shell.WINUTILS, "task", "create",
String out = Shell.execCommand(winutils, "task", "create",
"job" + jobId, "cmd /c echo job" + jobId);
assertTrue(out.trim().equals("job" + jobId));
// Run a task without any limits
jobId = String.format("%f", Math.random());
out = Shell.execCommand(Shell.WINUTILS, "task", "create", "-c", "-1", "-m",
out = Shell.execCommand(winutils, "task", "create", "-c", "-1", "-m",
"-1", "job" + jobId, "cmd /c echo job" + jobId);
assertTrue(out.trim().equals("job" + jobId));
// Run a task with limits (128MB should be enough for a cmd)
jobId = String.format("%f", Math.random());
out = Shell.execCommand(Shell.WINUTILS, "task", "create", "-c", "10000", "-m",
out = Shell.execCommand(winutils, "task", "create", "-c", "10000", "-m",
"128", "job" + jobId, "cmd /c echo job" + jobId);
assertTrue(out.trim().equals("job" + jobId));
// Run a task without enough memory
try {
jobId = String.format("%f", Math.random());
out = Shell.execCommand(Shell.WINUTILS, "task", "create", "-m", "128", "job"
out = Shell.execCommand(winutils, "task", "create", "-m", "128", "job"
+ jobId, "java -Xmx256m -version");
fail("Failed to get Shell.ExitCodeException with insufficient memory");
} catch (Shell.ExitCodeException ece) {
@ -584,7 +610,7 @@ public void testTaskCreateWithLimits() throws IOException {
//
try {
jobId = String.format("%f", Math.random());
Shell.execCommand(Shell.WINUTILS, "task", "create", "-c", "-1", "-m",
Shell.execCommand(winutils, "task", "create", "-c", "-1", "-m",
"-1", "foo", "job" + jobId, "cmd /c echo job" + jobId);
fail("Failed to get Shell.ExitCodeException with bad parameters");
} catch (Shell.ExitCodeException ece) {
@ -593,7 +619,7 @@ public void testTaskCreateWithLimits() throws IOException {
try {
jobId = String.format("%f", Math.random());
Shell.execCommand(Shell.WINUTILS, "task", "create", "-c", "-m", "-1",
Shell.execCommand(winutils, "task", "create", "-c", "-m", "-1",
"job" + jobId, "cmd /c echo job" + jobId);
fail("Failed to get Shell.ExitCodeException with bad parameters");
} catch (Shell.ExitCodeException ece) {
@ -602,7 +628,7 @@ public void testTaskCreateWithLimits() throws IOException {
try {
jobId = String.format("%f", Math.random());
Shell.execCommand(Shell.WINUTILS, "task", "create", "-c", "foo",
Shell.execCommand(winutils, "task", "create", "-c", "foo",
"job" + jobId, "cmd /c echo job" + jobId);
fail("Failed to get Shell.ExitCodeException with bad parameters");
} catch (Shell.ExitCodeException ece) {

10
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/WindowsBasedProcessTree.java
View File

@ -51,8 +51,11 @@ static class ProcessInfo {
public static boolean isAvailable() {
if (Shell.WINDOWS) {
if (!Shell.hasWinutilsPath()) {
return false;
}
ShellCommandExecutor shellExecutor = new ShellCommandExecutor(
new String[] { Shell.WINUTILS, "help" });
new String[] { Shell.getWinutilsPath(), "help" });
try {
shellExecutor.execute();
} catch (IOException e) {
@ -75,9 +78,10 @@ public WindowsBasedProcessTree(String pid) {
// helper method to override while testing
String getAllProcessInfoFromShell() {
ShellCommandExecutor shellExecutor = new ShellCommandExecutor(
new String[] { Shell.WINUTILS, "task", "processList", taskProcessId });
try {
ShellCommandExecutor shellExecutor = new ShellCommandExecutor(
new String[] {Shell.getWinutilsFile().getCanonicalPath(),
"task", "processList", taskProcessId });
shellExecutor.execute();
return shellExecutor.getOutput();
} catch (IOException e) {

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java
View File

@ -401,7 +401,7 @@ protected String[] getRunCommand(String command, String groupId,
cpuRate = Math.min(10000, (int) (containerCpuPercentage * 100));
}
}
return new String[] { Shell.WINUTILS, "task", "create", "-m",
return new String[] { Shell.getWinutilsPath(), "task", "create", "-m",
String.valueOf(memory), "-c", String.valueOf(cpuRate), groupId,
"cmd /c " + command };
} else {

3
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/WindowsSecureContainerExecutor.java
View File

@ -578,7 +578,8 @@ protected String[] getRunCommand(String command, String groupId,
LOG.debug(String.format("getRunCommand: %s exists:%b",
command, f.exists()));
}
return new String[] { Shell.WINUTILS, "task", "createAsUser", groupId,
return new String[] { Shell.getWinutilsPath(), "task",
"createAsUser", groupId,
userName, pidFile.toString(), "cmd /c " + command };
}

12
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/ContainerLaunch.java
View File

@ -24,7 +24,6 @@
import java.io.DataOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.nio.ByteBuffer;
import java.util.ArrayList;
@ -747,16 +746,9 @@ protected void link(Path src, Path dst) throws IOException {
File srcFile = new File(src.toUri().getPath());
String srcFileStr = srcFile.getPath();
String dstFileStr = new File(dst.toString()).getPath();
// If not on Java7+ on Windows, then copy file instead of symlinking.
// See also FileUtil#symLink for full explanation.
if (!Shell.isJava7OrAbove() && srcFile.isFile()) {
lineWithLenCheck(String.format("@copy \"%s\" \"%s\"", srcFileStr, dstFileStr));
lineWithLenCheck(String.format("@%s symlink \"%s\" \"%s\"",
Shell.getWinutilsPath(), dstFileStr, srcFileStr));
errorCheck();
} else {
lineWithLenCheck(String.format("@%s symlink \"%s\" \"%s\"", Shell.WINUTILS,
dstFileStr, srcFileStr));
errorCheck();
}
}
@Override

1
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestContainerExecutor.java
View File

@ -34,6 +34,7 @@
import static org.junit.Assert.*;
import static org.junit.Assume.assumeTrue;
@SuppressWarnings("deprecation")
public class TestContainerExecutor {
private ContainerExecutor containerExecutor = new DefaultContainerExecutor();

31
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/TestContainerLaunch.java
View File

@ -978,7 +978,7 @@ public void testWindowsShellScriptBuilderCommand() throws IOException {
Assume.assumeTrue(Shell.WINDOWS);
// The tests are built on assuming 8191 max command line length
assertEquals(8191, Shell.WINDOWS_MAX_SHELL_LENGHT);
assertEquals(8191, Shell.WINDOWS_MAX_SHELL_LENGTH);
ShellScriptBuilder builder = ShellScriptBuilder.create();
@ -987,11 +987,11 @@ public void testWindowsShellScriptBuilderCommand() throws IOException {
org.apache.commons.lang.StringUtils.repeat("A", 1024)));
builder.command(Arrays.asList(
org.apache.commons.lang.StringUtils.repeat(
"E", Shell.WINDOWS_MAX_SHELL_LENGHT - callCmd.length())));
"E", Shell.WINDOWS_MAX_SHELL_LENGTH - callCmd.length())));
try {
builder.command(Arrays.asList(
org.apache.commons.lang.StringUtils.repeat(
"X", Shell.WINDOWS_MAX_SHELL_LENGHT -callCmd.length() + 1)));
"X", Shell.WINDOWS_MAX_SHELL_LENGTH -callCmd.length() + 1)));
fail("longCommand was expected to throw");
} catch(IOException e) {
assertThat(e.getMessage(), containsString(expectedMessage));
@ -1026,17 +1026,17 @@ public void testWindowsShellScriptBuilderEnv() throws IOException {
Assume.assumeTrue(Shell.WINDOWS);
// The tests are built on assuming 8191 max command line length
assertEquals(8191, Shell.WINDOWS_MAX_SHELL_LENGHT);
assertEquals(8191, Shell.WINDOWS_MAX_SHELL_LENGTH);
ShellScriptBuilder builder = ShellScriptBuilder.create();
// test env
builder.env("somekey", org.apache.commons.lang.StringUtils.repeat("A", 1024));
builder.env("somekey", org.apache.commons.lang.StringUtils.repeat(
"A", Shell.WINDOWS_MAX_SHELL_LENGHT - ("@set somekey=").length()));
"A", Shell.WINDOWS_MAX_SHELL_LENGTH - ("@set somekey=").length()));
try {
builder.env("somekey", org.apache.commons.lang.StringUtils.repeat(
"A", Shell.WINDOWS_MAX_SHELL_LENGHT - ("@set somekey=").length()) + 1);
"A", Shell.WINDOWS_MAX_SHELL_LENGTH - ("@set somekey=").length()) + 1);
fail("long env was expected to throw");
} catch(IOException e) {
assertThat(e.getMessage(), containsString(expectedMessage));
@ -1051,17 +1051,17 @@ public void testWindowsShellScriptBuilderMkdir() throws IOException {
Assume.assumeTrue(Shell.WINDOWS);
// The tests are built on assuming 8191 max command line length
assertEquals(8191, Shell.WINDOWS_MAX_SHELL_LENGHT);
assertEquals(8191, Shell.WINDOWS_MAX_SHELL_LENGTH);
ShellScriptBuilder builder = ShellScriptBuilder.create();
// test mkdir
builder.mkdir(new Path(org.apache.commons.lang.StringUtils.repeat("A", 1024)));
builder.mkdir(new Path(org.apache.commons.lang.StringUtils.repeat(
"E", (Shell.WINDOWS_MAX_SHELL_LENGHT - mkDirCmd.length())/2)));
"E", (Shell.WINDOWS_MAX_SHELL_LENGTH - mkDirCmd.length())/2)));
try {
builder.mkdir(new Path(org.apache.commons.lang.StringUtils.repeat(
"X", (Shell.WINDOWS_MAX_SHELL_LENGHT - mkDirCmd.length())/2 +1)));
"X", (Shell.WINDOWS_MAX_SHELL_LENGTH - mkDirCmd.length())/2 +1)));
fail("long mkdir was expected to throw");
} catch(IOException e) {
assertThat(e.getMessage(), containsString(expectedMessage));
@ -1072,11 +1072,10 @@ public void testWindowsShellScriptBuilderMkdir() throws IOException {
public void testWindowsShellScriptBuilderLink() throws IOException {
// Test is only relevant on Windows
Assume.assumeTrue(Shell.WINDOWS);
String linkCmd = "@" +Shell.WINUTILS + " symlink \"\" \"\"";
String linkCmd = "@" + Shell.getWinutilsPath() + " symlink \"\" \"\"";
// The tests are built on assuming 8191 max command line length
assertEquals(8191, Shell.WINDOWS_MAX_SHELL_LENGHT);
assertEquals(8191, Shell.WINDOWS_MAX_SHELL_LENGTH);
ShellScriptBuilder builder = ShellScriptBuilder.create();
@ -1085,15 +1084,15 @@ public void testWindowsShellScriptBuilderLink() throws IOException {
new Path(org.apache.commons.lang.StringUtils.repeat("B", 1024)));
builder.link(
new Path(org.apache.commons.lang.StringUtils.repeat(
"E", (Shell.WINDOWS_MAX_SHELL_LENGHT - linkCmd.length())/2)),
"E", (Shell.WINDOWS_MAX_SHELL_LENGTH - linkCmd.length())/2)),
new Path(org.apache.commons.lang.StringUtils.repeat(
"F", (Shell.WINDOWS_MAX_SHELL_LENGHT - linkCmd.length())/2)));
"F", (Shell.WINDOWS_MAX_SHELL_LENGTH - linkCmd.length())/2)));
try {
builder.link(
new Path(org.apache.commons.lang.StringUtils.repeat(
"X", (Shell.WINDOWS_MAX_SHELL_LENGHT - linkCmd.length())/2 + 1)),
"X", (Shell.WINDOWS_MAX_SHELL_LENGTH - linkCmd.length())/2 + 1)),
new Path(org.apache.commons.lang.StringUtils.repeat(
"Y", (Shell.WINDOWS_MAX_SHELL_LENGHT - linkCmd.length())/2) + 1));
"Y", (Shell.WINDOWS_MAX_SHELL_LENGTH - linkCmd.length())/2) + 1));
fail("long link was expected to throw");
} catch(IOException e) {
assertThat(e.getMessage(), containsString(expectedMessage));