Java Code Examples for org.apache.hadoop.fs.FileUtil#makeShellPath()
The following examples show how to use
org.apache.hadoop.fs.FileUtil#makeShellPath() .
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Example 1
| Source File: TaskLog.java From RDFS with Apache License 2.0 | 5 votes |
|
/**
* Wrap a command in a shell to capture debug script's
* stdout and stderr to debugout.
* @param cmd The command and the arguments that should be run
* @param debugoutFilename The filename that stdout and stderr
* should be saved to.
* @return the modified command that should be run
* @throws IOException
*/
public static List<String> captureDebugOut(List<String> cmd,
File debugoutFilename
) throws IOException {
String debugout = FileUtil.makeShellPath(debugoutFilename);
List<String> result = new ArrayList<String>(3);
result.add(bashCommand);
result.add("-c");
StringBuffer mergedCmd = new StringBuffer();
mergedCmd.append("exec ");
boolean isExecutable = true;
for(String s: cmd) {
if (isExecutable) {
// the executable name needs to be expressed as a shell path for the
// shell to find it.
mergedCmd.append(FileUtil.makeShellPath(new File(s)));
isExecutable = false;
} else {
mergedCmd.append(s);
}
mergedCmd.append(" ");
}
mergedCmd.append(" < /dev/null ");
mergedCmd.append(" >");
mergedCmd.append(debugout);
mergedCmd.append(" 2>&1 ");
result.add(mergedCmd.toString());
return result;
}
Example 2
| Source File: TaskLog.java From hadoop-gpu with Apache License 2.0 | 5 votes |
|
/**
* Wrap a command in a shell to capture debug script's
* stdout and stderr to debugout.
* @param cmd The command and the arguments that should be run
* @param debugoutFilename The filename that stdout and stderr
* should be saved to.
* @return the modified command that should be run
* @throws IOException
*/
public static List<String> captureDebugOut(List<String> cmd,
File debugoutFilename
) throws IOException {
String debugout = FileUtil.makeShellPath(debugoutFilename);
List<String> result = new ArrayList<String>(3);
result.add(bashCommand);
result.add("-c");
StringBuffer mergedCmd = new StringBuffer();
mergedCmd.append("exec ");
boolean isExecutable = true;
for(String s: cmd) {
if (isExecutable) {
// the executable name needs to be expressed as a shell path for the
// shell to find it.
mergedCmd.append(FileUtil.makeShellPath(new File(s)));
isExecutable = false;
} else {
mergedCmd.append(s);
}
mergedCmd.append(" ");
}
mergedCmd.append(" < /dev/null ");
mergedCmd.append(" >");
mergedCmd.append(debugout);
mergedCmd.append(" 2>&1 ");
result.add(mergedCmd.toString());
return result;
}
Example 3
| Source File: TaskLog.java From hadoop with Apache License 2.0 | 4 votes |
|
/**
* Construct the command line for running the task JVM
* @param setup The setup commands for the execed process.
* @param cmd The command and the arguments that should be run
* @param stdoutFilename The filename that stdout should be saved to
* @param stderrFilename The filename that stderr should be saved to
* @param tailLength The length of the tail to be saved.
* @return the command line as a String
* @throws IOException
*/
static String buildCommandLine(List<String> setup, List<String> cmd,
File stdoutFilename,
File stderrFilename,
long tailLength,
boolean useSetsid)
throws IOException {
String stdout = FileUtil.makeShellPath(stdoutFilename);
String stderr = FileUtil.makeShellPath(stderrFilename);
StringBuffer mergedCmd = new StringBuffer();
// Export the pid of taskJvm to env variable JVM_PID.
// Currently pid is not used on Windows
if (!Shell.WINDOWS) {
mergedCmd.append(" export JVM_PID=`echo $$` ; ");
}
if (setup != null && setup.size() > 0) {
mergedCmd.append(addCommand(setup, false));
mergedCmd.append(";");
}
if (tailLength > 0) {
mergedCmd.append("(");
} else if(ProcessTree.isSetsidAvailable && useSetsid &&
!Shell.WINDOWS) {
mergedCmd.append("exec setsid ");
} else {
mergedCmd.append("exec ");
}
mergedCmd.append(addCommand(cmd, true));
mergedCmd.append(" < /dev/null ");
if (tailLength > 0) {
mergedCmd.append(" | ");
mergedCmd.append(tailCommand);
mergedCmd.append(" -c ");
mergedCmd.append(tailLength);
mergedCmd.append(" >> ");
mergedCmd.append(stdout);
mergedCmd.append(" ; exit $PIPESTATUS ) 2>&1 | ");
mergedCmd.append(tailCommand);
mergedCmd.append(" -c ");
mergedCmd.append(tailLength);
mergedCmd.append(" >> ");
mergedCmd.append(stderr);
mergedCmd.append(" ; exit $PIPESTATUS");
} else {
mergedCmd.append(" 1>> ");
mergedCmd.append(stdout);
mergedCmd.append(" 2>> ");
mergedCmd.append(stderr);
}
return mergedCmd.toString();
}
Example 4
| Source File: TaskLog.java From big-c with Apache License 2.0 | 4 votes |
|
/**
* Construct the command line for running the task JVM
* @param setup The setup commands for the execed process.
* @param cmd The command and the arguments that should be run
* @param stdoutFilename The filename that stdout should be saved to
* @param stderrFilename The filename that stderr should be saved to
* @param tailLength The length of the tail to be saved.
* @return the command line as a String
* @throws IOException
*/
static String buildCommandLine(List<String> setup, List<String> cmd,
File stdoutFilename,
File stderrFilename,
long tailLength,
boolean useSetsid)
throws IOException {
String stdout = FileUtil.makeShellPath(stdoutFilename);
String stderr = FileUtil.makeShellPath(stderrFilename);
StringBuffer mergedCmd = new StringBuffer();
// Export the pid of taskJvm to env variable JVM_PID.
// Currently pid is not used on Windows
if (!Shell.WINDOWS) {
mergedCmd.append(" export JVM_PID=`echo $$` ; ");
}
if (setup != null && setup.size() > 0) {
mergedCmd.append(addCommand(setup, false));
mergedCmd.append(";");
}
if (tailLength > 0) {
mergedCmd.append("(");
} else if(ProcessTree.isSetsidAvailable && useSetsid &&
!Shell.WINDOWS) {
mergedCmd.append("exec setsid ");
} else {
mergedCmd.append("exec ");
}
mergedCmd.append(addCommand(cmd, true));
mergedCmd.append(" < /dev/null ");
if (tailLength > 0) {
mergedCmd.append(" | ");
mergedCmd.append(tailCommand);
mergedCmd.append(" -c ");
mergedCmd.append(tailLength);
mergedCmd.append(" >> ");
mergedCmd.append(stdout);
mergedCmd.append(" ; exit $PIPESTATUS ) 2>&1 | ");
mergedCmd.append(tailCommand);
mergedCmd.append(" -c ");
mergedCmd.append(tailLength);
mergedCmd.append(" >> ");
mergedCmd.append(stderr);
mergedCmd.append(" ; exit $PIPESTATUS");
} else {
mergedCmd.append(" 1>> ");
mergedCmd.append(stdout);
mergedCmd.append(" 2>> ");
mergedCmd.append(stderr);
}
return mergedCmd.toString();
}
Example 5
| Source File: TaskLog.java From RDFS with Apache License 2.0 | 4 votes |
|
static String buildCommandLine(List<String> setup,
List<String> cmd,
File stdoutFilename,
File stderrFilename,
long tailLength,
boolean useSetSid) throws IOException {
String stdout = FileUtil.makeShellPath(stdoutFilename);
String stderr = FileUtil.makeShellPath(stderrFilename);
StringBuffer mergedCmd = new StringBuffer();
if (!Shell.WINDOWS) {
mergedCmd.append(" export JVM_PID=`echo $$` ; ");
}
if (setup != null && setup.size() > 0) {
mergedCmd.append(addCommand(setup, false));
mergedCmd.append(";");
}
if (tailLength > 0) {
mergedCmd.append("(");
} else if (ProcessTree.isSetsidAvailable && useSetSid
&& !Shell.WINDOWS) {
mergedCmd.append("exec setsid ");
} else {
mergedCmd.append("exec ");
}
mergedCmd.append(addCommand(cmd, true));
mergedCmd.append(" < /dev/null ");
if (tailLength > 0) {
mergedCmd.append(" | ");
mergedCmd.append(tailCommand);
mergedCmd.append(" -c ");
mergedCmd.append(tailLength);
mergedCmd.append(" >> ");
mergedCmd.append(stdout);
mergedCmd.append(" ; exit $PIPESTATUS ) 2>&1 | ");
mergedCmd.append(tailCommand);
mergedCmd.append(" -c ");
mergedCmd.append(tailLength);
mergedCmd.append(" >> ");
mergedCmd.append(stderr);
mergedCmd.append(" ; exit $PIPESTATUS");
} else {
mergedCmd.append(" 1>> ");
mergedCmd.append(stdout);
mergedCmd.append(" 2>> ");
mergedCmd.append(stderr);
}
return mergedCmd.toString();
}
Example 6
| Source File: TaskLog.java From hadoop-gpu with Apache License 2.0 | 4 votes |
|
/**
* Wrap a command in a shell to capture stdout and stderr to files.
* Setup commands such as setting memory limit can be passed which
* will be executed before exec.
* If the tailLength is 0, the entire output will be saved.
* @param setup The setup commands for the execed process.
* @param cmd The command and the arguments that should be run
* @param stdoutFilename The filename that stdout should be saved to
* @param stderrFilename The filename that stderr should be saved to
* @param tailLength The length of the tail to be saved.
* @param pidFileName The name of the pid-file
* @return the modified command that should be run
*/
public static List<String> captureOutAndError(List<String> setup,
List<String> cmd,
File stdoutFilename,
File stderrFilename,
long tailLength,
String pidFileName
) throws IOException {
String stdout = FileUtil.makeShellPath(stdoutFilename);
String stderr = FileUtil.makeShellPath(stderrFilename);
List<String> result = new ArrayList<String>(3);
result.add(bashCommand);
result.add("-c");
StringBuffer mergedCmd = new StringBuffer();
// Spit out the pid to pidFileName
if (pidFileName != null) {
mergedCmd.append("echo $$ > ");
mergedCmd.append(pidFileName);
mergedCmd.append(" ;");
}
if (setup != null && setup.size() > 0) {
mergedCmd.append(addCommand(setup, false));
mergedCmd.append(";");
}
if (tailLength > 0) {
mergedCmd.append("(");
} else {
mergedCmd.append("exec ");
}
mergedCmd.append(addCommand(cmd, true));
mergedCmd.append(" < /dev/null ");
if (tailLength > 0) {
mergedCmd.append(" | ");
mergedCmd.append(tailCommand);
mergedCmd.append(" -c ");
mergedCmd.append(tailLength);
mergedCmd.append(" >> ");
mergedCmd.append(stdout);
mergedCmd.append(" ; exit $PIPESTATUS ) 2>&1 | ");
mergedCmd.append(tailCommand);
mergedCmd.append(" -c ");
mergedCmd.append(tailLength);
mergedCmd.append(" >> ");
mergedCmd.append(stderr);
mergedCmd.append(" ; exit $PIPESTATUS");
} else {
mergedCmd.append(" 1>> ");
mergedCmd.append(stdout);
mergedCmd.append(" 2>> ");
mergedCmd.append(stderr);
}
result.add(mergedCmd.toString());
return result;
}
Example 7
| Source File: TaskLog.java From RDFS with Apache License 2.0 | 2 votes |
|
/**
* Get the real task-log file-path
*
* @param location Location of the log-file. This should point to an
* attempt-directory.
* @param filter
* @return
* @throws IOException
*/
static String getRealTaskLogFilePath(String location, LogName filter)
throws IOException {
return FileUtil.makeShellPath(new File(getBaseDir(location),
filter.toString()));
}
