120 lines
3.9 KiB
C++
Executable File
120 lines
3.9 KiB
C++
Executable File
#include <QtDebug>
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#include <QDir>
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#include "mymountproxy.h"
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#include "../common/utils.h"
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MyMountProxy::MyMountProxy(QObject* parent) : QObject(parent)
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{
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m_processMount = new MountBackupProcess(this);
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}
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MountResult MyMountProxy::mountBackupPartition()
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{
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QString backupPartitionUuid = Utils::getBackupPartitionUuid();
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if (backupPartitionUuid.isEmpty()) {
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qCritical("can't open /etc/.bootinfo or can't get RECOVERY_DEV_UUID");
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return MountResult::CANNOT_GET_BACKUPUUID;
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}
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QString rootPath = Utils::getSysRootPath();
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QString backPath = rootPath + BACKUP_PATH;
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backPath.replace("//", "/");
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Utils::mkpath(backPath);
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bool res = m_processMount->Do(backupPartitionUuid);
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if (res) {
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QString snapshotsPath = rootPath + BACKUP_SNAPSHOTS_PATH;
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snapshotsPath.replace("//", "/");
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Utils::mkpath(snapshotsPath);
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if (!Utils::generateExcludePathsFile()) {
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qCritical("mount success, but generate some important file failed!");
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return MountResult::GENERATE_IMPORT_FILE_FAIL;
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}
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return MountResult::MOUNTED;
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}
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return MountResult::NO_MOUNTED;
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}
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bool MyMountProxy::umountBackupPartition()
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{
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return m_processMount->umountBackupPartition();
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}
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bool MyMountProxy::remountPartitionsForCasperMode()
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{
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qDebug("MyMountProxy::remountPartitionsForCasperMode invoke begin");
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// 1. 判断是否试用模式
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QString rootPath = Utils::getSysRootPath();
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if (rootPath != CASPER_ROOT_PATH)
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return false;
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Utils::mkpath(rootPath);
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// 2. 查询各个分区
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QHash<QString, PartitionInfo> partitions = Utils::getPartitions();
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// 2.1 重新挂载根分区到/target上
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const PartitionInfo& root = partitions.value(LABEL_SYSROOT);
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m_processMount->umount(root.m_device);
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// m_processMount->umount(rootPath);
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if (!m_processMount->mount(root.m_device, rootPath)) {
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qCritical("remount root to /target failed!");
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return false;
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}
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// 2.2 获取/etc/fstab配置的分区挂载点信息
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QString fstabPath = Utils::getSysRootPath() + FSTAB_PATH;
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fstabPath.replace("//", "/");
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QHash<QString, QString> mountPointToUuid = Utils::getPartUuidMap(fstabPath);
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QHash<QString, QString> uuidToMountPoint = Utils::swapKeyValue(mountPointToUuid);
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// 2.3 重新将其它分区挂载到/target下的相应目录
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QStringList parts;
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parts << LABEL_SYSBOOT << LABEL_EFI << LABEL_DATA << LABEL_KYLINBACKUP;
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for (const QString& label : parts) {
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const PartitionInfo& part = partitions.value(label);
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m_processMount->umount(part.m_device);
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// 备份分区不用挂载，后面会挂
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if (part.m_label == LABEL_KYLINBACKUP)
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continue;
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QString mountPoint = uuidToMountPoint.value(part.m_uuid);
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if (mountPoint.isEmpty()) {
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if (part.m_label == LABEL_SYSBOOT)
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mountPoint = "/boot";
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else if (part.m_label == LABEL_EFI)
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mountPoint = "/boot/efi";
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else if (part.m_label == LABEL_DATA)
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mountPoint = "/data";
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}
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if (mountPoint.isEmpty())
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continue;
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mountPoint = rootPath + mountPoint;
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mountPoint.replace("//", "/");
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Utils::mkpath(mountPoint);
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m_processMount->umount(mountPoint);
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m_processMount->mount(part.m_device, mountPoint);
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}
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// 3. 将/etc/fstab里的bind配置挂载上
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QHash<QString, QString> mapBind = Utils::getFstabBindInfo();
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for (QHash<QString, QString>::const_iterator it = mapBind.constBegin(); it != mapBind.constEnd(); ++it) {
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QString key = it.key();
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QString value = it.value();
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key = rootPath + key;
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key.replace("//", "/");
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value = rootPath + value;
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value.replace("//", "/");
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m_processMount->umount(value);
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m_processMount->mount(key, value);
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}
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qDebug("MyMountProxy::remountPartitionsForCasperMode invoke end");
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return true;
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}
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