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Merge branch 'issue-1164'

Browse Source 
FIXES #1164
main
Adriaan de Groot 6 years ago
parent e49beaea91 4f221b41d1
commit b23f4f3bb0
7 changed files with 116 additions and 109 deletions
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10
src/libcalamares/JobQueue.cpp
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@ -44,7 +44,7 @@ public:
}
virtual ~JobThread() override;
void setJobs( const JobList& jobs )
{
m_jobs = jobs;
@ -157,6 +157,14 @@ JobQueue::JobQueue( QObject* parent )
JobQueue::~JobQueue()
{
if ( m_thread->isRunning() )
{
m_thread->terminate();
if ( !m_thread->wait(300) )
cError() << "Could not terminate job thread (expect a crash now).";
delete m_thread;
}
delete m_storage;
}

92
src/libcalamares/ProcessJob.cpp
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@ -48,10 +48,8 @@ ProcessJob::~ProcessJob()
QString
ProcessJob::prettyName() const
{
//TODO: show something more meaningful
return tr( "Run command %1 %2" )
.arg( m_command )
.arg( m_runInChroot ? "in chroot." : " ." );
return ( m_runInChroot ? tr( "Run command '%1' in target system." ) : tr( " Run command '%1'." ) )
.arg( m_command );
}
@ -67,83 +65,23 @@ ProcessJob::prettyStatusMessage() const
JobResult
ProcessJob::exec()
{
int ec = 0;
QString output;
using CalamaresUtils::System;
if ( m_runInChroot )
ec = CalamaresUtils::System::instance()->
targetEnvOutput( m_command,
output,
return CalamaresUtils::System::instance()->
targetEnvCommand( { m_command },
m_workingPath,
QString(),
m_timeoutSec );
m_timeoutSec )
.explainProcess( m_command, m_timeoutSec );
else
ec = callOutput( m_command,
output,
m_workingPath,
QString(),
m_timeoutSec );
return CalamaresUtils::ProcessResult::explainProcess( ec, m_command, output, m_timeoutSec );
}
int
ProcessJob::callOutput( const QString& command,
QString& output,
const QString& workingPath,
const QString& stdInput,
int timeoutSec )
{
output.clear();
QProcess process;
process.setProgram( "/bin/sh" );
process.setArguments( { "-c", command } );
process.setProcessChannelMode( QProcess::MergedChannels );
if ( !workingPath.isEmpty() )
{
if ( QDir( workingPath ).exists() )
process.setWorkingDirectory( QDir( workingPath ).absolutePath() );
else
{
cWarning() << "Invalid working directory:" << workingPath;
return -3;
}
}
cDebug() << "Running" << command;
process.start();
if ( !process.waitForStarted() )
{
cWarning() << "Process failed to start" << process.error();
return -2;
}
if ( !stdInput.isEmpty() )
{
process.write( stdInput.toLocal8Bit() );
process.closeWriteChannel();
}
if ( !process.waitForFinished( timeoutSec ? ( timeoutSec * 1000 ) : -1 ) )
{
cWarning() << "Timed out. output so far:";
output.append( QString::fromLocal8Bit( process.readAllStandardOutput() ).trimmed() );
cWarning() << output;
return -4;
}
output.append( QString::fromLocal8Bit( process.readAllStandardOutput() ).trimmed() );
if ( process.exitStatus() == QProcess::CrashExit )
{
cWarning() << "Process crashed";
return -1;
}
cDebug() << "Finished. Exit code:" << process.exitCode();
return process.exitCode();
return
System::runCommand( System::RunLocation::RunInHost,
{ "/bin/sh", "-c", m_command },
m_workingPath,
QString(),
m_timeoutSec )
.explainProcess( m_command, m_timeoutSec );
}
} // namespace Calamares

7
src/libcalamares/ProcessJob.h
Unescape Escape View File

@ -1,7 +1,7 @@
/* === This file is part of Calamares - <https://github.com/calamares> ===
*
* Copyright 2014, Teo Mrnjavac <teo@kde.org>
* Copyright 2017-2018, Adriaan de Groot <groot@kde.org>
* Copyright 2017-2019, Adriaan de Groot <groot@kde.org>
*
* Calamares is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -40,11 +40,6 @@ public:
JobResult exec() override;
private:
int callOutput( const QString& command,
QString& output,
const QString& workingPath = QString(),
const QString& stdInput = QString(),
int timeoutSec = 0 );
QString m_command;
QString m_workingPath;
bool m_runInChroot;

45
src/libcalamares/Tests.cpp
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@ -18,9 +18,12 @@
#include "Tests.h"
#include "utils/CalamaresUtilsSystem.h"
#include "utils/Logger.h"
#include "utils/Yaml.h"
#include <QTemporaryFile>
#include <QtTest/QtTest>
QTEST_GUILESS_MAIN( LibCalamaresTests )
@ -113,3 +116,45 @@ LibCalamaresTests::testLoadSaveYamlExtended()
}
QFile::remove( "out.yaml" );
}
void
LibCalamaresTests::testCommands()
{
using CalamaresUtils::System;
auto r = System::runCommand(
System::RunLocation::RunInHost,
{ "/bin/ls", "/tmp" }
);
QVERIFY( r.getExitCode() == 0 );
QTemporaryFile tf( "/tmp/calamares-test-XXXXXX" );
QVERIFY( tf.open() );
QVERIFY( !tf.fileName().isEmpty() );
QFileInfo tfn( tf.fileName() );
QVERIFY( !r.getOutput().contains( tfn.fileName() ) );
// Run ls again, now that the file exists
r = System::runCommand(
System::RunLocation::RunInHost,
{ "/bin/ls", "/tmp" }
);
QVERIFY( r.getOutput().contains( tfn.fileName() ) );
// .. and without a working directory set, assume builddir != /tmp
r = System::runCommand(
System::RunLocation::RunInHost,
{ "/bin/ls" }
);
QVERIFY( !r.getOutput().contains( tfn.fileName() ) );
r = System::runCommand(
System::RunLocation::RunInHost,
{ "/bin/ls" },
"/tmp"
);
QVERIFY( r.getOutput().contains( tfn.fileName() ) );
}

2
src/libcalamares/Tests.h
Unescape Escape View File

@ -34,6 +34,8 @@ private Q_SLOTS:
void testLoadSaveYaml(); // Just settings.conf
void testLoadSaveYamlExtended(); // Do a find() in the src dir
void testCommands();
};
#endif

45
src/libcalamares/utils/CalamaresUtilsSystem.cpp
Unescape Escape View File

@ -114,14 +114,24 @@ System::mount( const QString& devicePath,
const QString& options )
{
if ( devicePath.isEmpty() || mountPoint.isEmpty() )
return -3;
{
if ( devicePath.isEmpty() )
cWarning() << "Can't mount an empty device.";
if ( mountPoint.isEmpty() )
cWarning() << "Can't mount on an empty mountpoint.";
return static_cast<int>(ProcessResult::Code::NoWorkingDirectory);
}
QDir mountPointDir( mountPoint );
if ( !mountPointDir.exists() )
{
bool ok = mountPointDir.mkpath( mountPoint );
if ( !ok )
return -3;
{
cWarning() << "Could not create mountpoint" << mountPoint;
return static_cast<int>(ProcessResult::Code::NoWorkingDirectory);
}
}
QString program( "mount" );
@ -146,15 +156,13 @@ System::runCommand(
{
QString output;
if ( !Calamares::JobQueue::instance() )
return -3;
Calamares::GlobalStorage* gs = Calamares::JobQueue::instance() ? Calamares::JobQueue::instance()->globalStorage() : nullptr;
Calamares::GlobalStorage* gs = Calamares::JobQueue::instance()->globalStorage();
if ( ( location == System::RunLocation::RunInTarget ) &&
( !gs || !gs->contains( "rootMountPoint" ) ) )
{
cWarning() << "No rootMountPoint in global storage";
return -3;
return ProcessResult::Code::NoWorkingDirectory;
}
QProcess process;
@ -167,7 +175,7 @@ System::runCommand(
if ( !QDir( destDir ).exists() )
{
cWarning() << "rootMountPoint points to a dir which does not exist";
return -3;
return ProcessResult::Code::NoWorkingDirectory;
}
program = "chroot";
@ -189,8 +197,10 @@ System::runCommand(
if ( QDir( workingPath ).exists() )
process.setWorkingDirectory( QDir( workingPath ).absolutePath() );
else
{
cWarning() << "Invalid working directory:" << workingPath;
return -3;
return ProcessResult::Code::NoWorkingDirectory;
}
}
cDebug() << "Running" << program << RedactedList( arguments );
@ -198,20 +208,20 @@ System::runCommand(
if ( !process.waitForStarted() )
{
cWarning() << "Process failed to start" << process.error();
return -2;
return ProcessResult::Code::FailedToStart;
}
if ( !stdInput.isEmpty() )
{
process.write( stdInput.toLocal8Bit() );
process.closeWriteChannel();
}
process.closeWriteChannel();
if ( !process.waitForFinished( timeoutSec ? ( timeoutSec * 1000 ) : -1 ) )
{
cWarning().noquote().nospace() << "Timed out. Output so far:\n" <<
process.readAllStandardOutput();
return -4;
return ProcessResult::Code::TimedOut;
}
output.append( QString::fromLocal8Bit( process.readAllStandardOutput() ).trimmed() );
@ -219,12 +229,13 @@ System::runCommand(
if ( process.exitStatus() == QProcess::CrashExit )
{
cWarning().noquote().nospace() << "Process crashed. Output so far:\n" << output;
return -1;
return ProcessResult::Code::Crashed;
}
auto r = process.exitCode();
cDebug() << "Finished. Exit code:" << r;
if ( ( r != 0 ) || Calamares::Settings::instance()->debugMode() )
bool showDebug = ( !Calamares::Settings::instance() ) || ( Calamares::Settings::instance()->debugMode() );
if ( ( r != 0 ) || showDebug )
{
cDebug() << "Target cmd:" << RedactedList( args );
cDebug().noquote().nospace() << "Target output:\n" << output;
@ -306,22 +317,22 @@ ProcessResult::explainProcess( int ec, const QString& command, const QString& ou
? QCoreApplication::translate( "ProcessResult", "\nThere was no output from the command.")
: (QCoreApplication::translate( "ProcessResult", "\nOutput:\n") + output);
if ( ec == -1 ) //Crash!
if ( ec == static_cast<int>(ProcessResult::Code::Crashed) ) //Crash!
return JobResult::error( QCoreApplication::translate( "ProcessResult", "External command crashed." ),
QCoreApplication::translate( "ProcessResult", "Command <i>%1</i> crashed." )
.arg( command )
+ outputMessage );
if ( ec == -2 )
if ( ec == static_cast<int>(ProcessResult::Code::FailedToStart) )
return JobResult::error( QCoreApplication::translate( "ProcessResult", "External command failed to start." ),
QCoreApplication::translate( "ProcessResult", "Command <i>%1</i> failed to start." )
.arg( command ) );
if ( ec == -3 )
if ( ec == static_cast<int>(ProcessResult::Code::NoWorkingDirectory) )
return JobResult::error( QCoreApplication::translate( "ProcessResult", "Internal error when starting command." ),
QCoreApplication::translate( "ProcessResult", "Bad parameters for process job call." ) );
if ( ec == -4 )
if ( ec == static_cast<int>(ProcessResult::Code::TimedOut) )
return JobResult::error( QCoreApplication::translate( "ProcessResult", "External command failed to finish." ),
QCoreApplication::translate( "ProcessResult", "Command <i>%1</i> failed to finish in %2 seconds." )
.arg( command )

24
src/libcalamares/utils/CalamaresUtilsSystem.h
Unescape Escape View File

@ -32,8 +32,16 @@ namespace CalamaresUtils
class ProcessResult : public QPair< int, QString >
{
public:
enum class Code : int
{
Crashed = -1, // Must match special return values from QProcess
FailedToStart = -2, // Must match special return values from QProcess
NoWorkingDirectory = -3,
TimedOut = -4
} ;
/** @brief Implicit one-argument constructor has no output, only a return code */
ProcessResult( int r ) : QPair< int, QString >( r, QString() ) {}
ProcessResult( Code r ) : QPair< int, QString >( static_cast<int>(r), QString() ) {}
ProcessResult( int r, QString s ) : QPair< int, QString >( r, s ) {}
int getExitCode() const { return first; }
@ -93,9 +101,9 @@ public:
* @param filesystemName the name of the filesystem (optional).
* @param options any additional options as passed to mount -o (optional).
* @returns the program's exit code, or:
* -1 = QProcess crash
* -2 = QProcess cannot start
* -3 = bad arguments
* Crashed = QProcess crash
* FailedToStart = QProcess cannot start
* NoWorkingDirectory = bad arguments
*/
DLLEXPORT int mount( const QString& devicePath,
const QString& mountPoint,
@ -120,10 +128,10 @@ public:
*
* @returns the program's exit code and its output (if any). Special
* exit codes (which will never have any output) are:
* -1 = QProcess crash
* -2 = QProcess cannot start
* -3 = bad arguments
* -4 = QProcess timeout
* Crashed = QProcess crash
* FailedToStart = QProcess cannot start
* NoWorkingDirectory = bad arguments
* TimedOut = QProcess timeout
*/
static DLLEXPORT ProcessResult runCommand(
RunLocation location,

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