def reread_partitions(self, drive):
     logger.debug("Rereading pt")
     _functions.system("sync")
     if "dev/mapper" in drive:
         # kpartx -a -p p "$drive"
         # XXX fails with spaces in device names (TBI)
         # ioctl(3, DM_TABLE_LOAD, 0x966980) = -1 EINVAL (Invalid argument)
         # create/reload failed on 0QEMU   QEMU HARDDISK  drive-scsi0-0-0p1
         _functions.system("kpartx -a '%s'" % drive)
         _functions.system("partprobe")
         # partprobe fails on cdrom:
         # Error: Invalid partition table - recursive partition on /dev/sr0.
         _functions.system("service multipathd reload")
         _functions.system("multipath -r &>/dev/null")
         # wait for device to exit
         i = 0
         timeout = 15
         while not os.path.exists(drive):
             logger.error(drive + " is not available, waiting %s more " +
                          "secs") % (timeout - i)
             i = i + i
             time.sleep(1)
             if i == timeout:
                 logger.error("Timed out waiting for: %s" % drive)
                 return False
     else:
         _functions.passthrough("blockdev --rereadpt \"%s\"" % drive, \
                                logger.debug)
 def wipe_lvm_on_disk(self, _devs):
     devs = set(_devs.split(","))
     logger.debug("Considering to wipe LVM on: %s / %s" % (_devs, devs))
     for dev in devs:
         logger.debug("Considering device '%s'" % dev)
         if not os.path.exists(dev):
             logger.info("'%s' is no device, let's try the next one." % dev)
             continue
         part_delim = "p"
         # FIXME this should be more intelligent
         if "/dev/sd" in dev or "dev/vd" in dev:
             part_delim = ""
         vg_cmd = ("pvs -o vg_uuid --noheadings \"%s\" \"%s%s\"[0-9]* " +
                   "2>/dev/null | sort -u") % (dev, dev, part_delim)
         vg_proc = _functions.passthrough(vg_cmd, log_func=logger.debug)
         vgs_on_dev = vg_proc.stdout.split()
         for vg in vgs_on_dev:
             name = self._lvm_name_for_disk(dev)
             pvs_cmd = ("pvs -o pv_name,vg_uuid --noheadings | " +
                        "grep \"%s\" | egrep -v -q \"%s" % (vg, name))
             for fdev in devs:
                 pvs_cmd += "|%s%s[0-9]+|%s" % (fdev, part_delim, fdev)
                 name = self._lvm_name_for_disk(fdev)
                 pvs_cmd += "|%s%s[0-9]+|%s" % (name, part_delim, name)
             pvs_cmd += "\""
             remaining_pvs = _functions.system(pvs_cmd)
             if remaining_pvs:
                 logger.error("The volume group \"%s\" spans multiple " +
                              "disks.") % vg
                 logger.error("This operation cannot complete.  " +
                              "Please manually cleanup the storage using " +
                              "standard disk tools.")
                 return False
             _functions.wipe_volume_group(vg)
     return True
Example #3
0
 def reread_partitions(self, drive):
     logger.debug("Rereading pt")
     _functions.system("sync")
     if "dev/mapper" in drive:
         _functions.system("service multipathd reload")
         _functions.system("multipath -r &>/dev/null")
         # wait for device to exit
         i = 0
         timeout = 15
         while not os.path.exists(drive):
             logger.error(drive + " is not available, waiting %s more " +
                          "secs") % (timeout - i)
             i = i + i
             time.sleep(1)
             if i == timeout:
                 logger.error("Timed out waiting for: %s" % drive)
                 return False
     else:
         _functions.passthrough("blockdev --rereadpt \"%s\"" % drive, \
                                logger.debug)
Example #4
0
def convert_to_biosdevname():
    if not "BIOSDEVNAMES_CONVERSION" in OVIRT_VARS:
        # check for appropriate bios version
        cmd = "dmidecode|grep SMBIOS|awk {'print $2'}"
        proc = _functions.passthrough(cmd, log_func=logger.debug)
        ver = proc.stdout.split()[0]
        if not float(ver) >= 2.6:
            logger.debug("Skipping biosdevname conversion, SMBIOS too old")
            _functions.augtool(
                "set", "/files/etc/default/ovirt/BIOSDEVNAMES_CONVERSION", "y")
            return
        nics = {}
        cmd = "biosdevname -d"
        biosdevname, err = subprocess.Popen(
            cmd, shell=True, stdout=subprocess.PIPE).communicate()
        biosdevname_output = biosdevname.splitlines()

        for line in biosdevname_output:
            if line is not None:
                if "BIOS device:" in line:
                    nic = line.split()[2]
                if "Permanent" in line:
                    mac = line.split()[2]
                    nics[mac.upper()] = nic
        logger.debug(nics)
        scripts_path = "/etc/sysconfig/network-scripts"
        logger.debug(glob(scripts_path + "/ifcfg-*"))
        for file in glob(scripts_path + "/ifcfg-*"):
            logger.debug("Processing %s" % file)
            # get mac for matching
            existing_mac = _functions.augtool_get("/files/" + file + "/HWADDR")
            # check dictionary for mac
            if not existing_mac is None and existing_mac.upper() in nics:
                old_nic_script = os.path.basename(file)
                new_nic_name = nics[existing_mac.upper()]
                logger.debug("Found %s in %s" % (existing_mac, file))
                # change device name within script file
                logger.debug("Setting to new device name: %s" % new_nic_name)
                _functions.augtool("set", \
                                   "/files" + file + "/DEVICE", new_nic_name)
                new_nic_file = "%s/ifcfg-%s" % (scripts_path, new_nic_name)
                cmd = "cp %s %s" % (file, new_nic_file)
                _functions.remove_config(file)
                if _functions.system(cmd):
                    logging.debug("Conversion on %s to %s succeed" %
                                  (file, new_nic_file))
                    _functions.ovirt_store_config(new_nic_file)
                else:
                    return False
        _functions.system("service network restart")
        _functions.augtool("set", \
                       "/files/etc/default/ovirt/BIOSDEVNAMES_CONVERSION", "y")
        _functions.ovirt_store_config("/etc/default/ovirt")
    return True
Example #5
0
def convert_to_biosdevname():
    if not "BIOSDEVNAMES_CONVERSION" in OVIRT_VARS:
        # check for appropriate bios version
        cmd="dmidecode|grep SMBIOS|awk {'print $2'}"
        proc = _functions.passthrough(cmd, log_func=logger.debug)
        ver = proc.stdout.split()[0]
        if not float(ver) >= 2.6:
            logger.debug("Skipping biosdevname conversion, SMBIOS too old")
            _functions.augtool("set", "/files/etc/default/ovirt/BIOSDEVNAMES_CONVERSION", "y")
            return
        nics = {}
        cmd = "biosdevname -d"
        biosdevname, err = subprocess.Popen(cmd, shell=True,
                                          stdout=subprocess.PIPE).communicate()
        biosdevname_output = biosdevname.splitlines()

        for line in biosdevname_output:
            if line is not None:
                if "BIOS device:" in line:
                    nic = line.split()[2]
                if "Permanent" in line:
                    mac = line.split()[2]
                    nics[mac.upper()] = nic
        logger.debug(nics)
        scripts_path = "/etc/sysconfig/network-scripts"
        logger.debug(glob(scripts_path + "/ifcfg-*"))
        for file in glob(scripts_path + "/ifcfg-*"):
            logger.debug("Processing %s" % file)
            # get mac for matching
            existing_mac = _functions.augtool_get("/files/" + file + "/HWADDR")
            # check dictionary for mac
            if not existing_mac is None and existing_mac.upper() in nics:
                old_nic_script = os.path.basename(file)
                new_nic_name = nics[existing_mac.upper()]
                logger.debug("Found %s in %s" % (existing_mac, file))
                # change device name within script file
                logger.debug("Setting to new device name: %s" % new_nic_name)
                _functions.augtool("set", \
                                   "/files" + file + "/DEVICE", new_nic_name)
                new_nic_file = "%s/ifcfg-%s" % (scripts_path, new_nic_name)
                cmd = "cp %s %s" % (file, new_nic_file)
                _functions.remove_config(file)
                if _functions.system(cmd):
                    logging.debug("Conversion on %s to %s succeed" % (file,
                                  new_nic_file))
                    _functions.ovirt_store_config(new_nic_file)
                else:
                    return False
        _functions.system("service network restart")
        _functions.augtool("set", \
                       "/files/etc/default/ovirt/BIOSDEVNAMES_CONVERSION", "y")
        _functions.ovirt_store_config("/etc/default/ovirt")
    return True
 def _lvm_name_for_disk(self, disk):
     name = None
     cmd = "lvm pvs --noheadings --nameprefixes --unquoted -o pv_name,vg_name '%s' 2> /dev/null" % disk
     lines = str(_functions.passthrough(cmd)).strip().split("\n")
     if len(lines) > 1:
         logger.warning("More than one PV for disk '%s' found: %s" % (disk,
                                                                      lines))
     for line in lines:
         lvm2_vars = dict([tuple(e.split("=", 1)) for e \
                           in shlex.split(line)])
         if "LVM2_PV_NAME" in lvm2_vars:
             name = lvm2_vars["LVM2_PV_NAME"]
         else:
             logger.debug("Found line '%s' but no LVM2_PV_NAME" % line)
     return name
    def perform_partitioning(self):
        if self.HOSTVGDRIVE is None and not _functions.is_iscsi_install():
            logger.error("\nNo storage device selected.")
            return False

        if self.BOOTDRIVE is None and _functions.is_iscsi_install():
            logger.error("No storage device selected.")
            return False

        if not self.cross_check_host_app():
            logger.error("Skip disk partitioning, AppVG overlaps with HostVG")
            return False

        if _functions.has_fakeraid(self.HOSTVGDRIVE):
            if not handle_fakeraid(self.HOSTVGDRIVE):
                return False
        if _functions.has_fakeraid(self.ROOTDRIVE):
            if not handle_fakeraid(self.ROOTDRIVE):
                return False

        logger.info("Saving parameters")
        _functions.unmount_config("/etc/default/ovirt")
        if not self.check_partition_sizes():
            return False

        # Check for still remaining HostVGs this can be the case when
        # Node was installed on a disk not given in storage_init
        # rhbz#872114
        existing_vgs = str(_functions.passthrough("vgs"))
        for vg in existing_vgs.split("\n"):
            vg = vg.strip()
            if "HostVG" in str(vg):
                logger.error("An existing installation was found or not " +
                     "all VGs could be removed.  " +
                     "Please manually cleanup the storage using " +
                     "standard disk tools.")
                return False

        logger.info("Removing old LVM partitions")
        # HostVG must not exist at this point
        # we wipe only foreign LVM here
        logger.info("Wiping LVM on HOSTVGDRIVE %s" % self.HOSTVGDRIVE)
        if not self.wipe_lvm_on_disk(self.HOSTVGDRIVE):
            logger.error("Wiping LVM on %s Failed" % self.HOSTVGDRIVE)
            return False
        logger.info("Wiping LVM on ROOTDRIVE %s" % self.ROOTDRIVE)
        if not self.wipe_lvm_on_disk(self.ROOTDRIVE):
            logger.error("Wiping LVM on %s Failed" % self.ROOTDRIVE)
            return False
        logger.info("Wiping LVM on BOOTDRIVE %s" % self.BOOTDRIVE)
        if not self.wipe_lvm_on_disk(self.BOOTDRIVE):
            logger.error("Wiping LVM on %s Failed" % self.BOOTDRIVE)
            return False
        logger.debug("Old LVM partitions should be gone.")
        logger.debug(_functions.passthrough("vgdisplay -v"))

        self.boot_size_si = self.BOOT_SIZE * (1024 * 1024) / (1000 * 1000)
        if _functions.is_iscsi_install():
            if "OVIRT_ISCSI_NAME" in _functions.OVIRT_VARS:
                iscsi_name = _functions.OVIRT_VARS["OVIRT_ISCSI_NAME"]
                set_iscsi_initiator(iscsi_name)
            # login to target and setup disk
            get_targets = ("iscsiadm -m discovery -p %s:%s -t sendtargets" %
                           (_functions.OVIRT_VARS["OVIRT_ISCSI_TARGET_HOST"],
                           _functions.OVIRT_VARS["OVIRT_ISCSI_TARGET_PORT"]))
            _functions.system(get_targets)
            before_login_drvs = self.get_dev_name()
            logger.debug(before_login_drvs)
            login_cmd = ("iscsiadm -m node -T %s -p %s:%s -l" %
                        (_functions.OVIRT_VARS["OVIRT_ISCSI_TARGET_NAME"],
                        _functions.OVIRT_VARS["OVIRT_ISCSI_TARGET_HOST"],
                        _functions.OVIRT_VARS["OVIRT_ISCSI_TARGET_PORT"]))
            _functions.system(login_cmd)
            _functions.system("multipath -r")
            after_login_drvs = self.get_dev_name()
            logger.debug(after_login_drvs)
            logger.info("iSCSI enabled, partitioning boot drive: %s" %
                        self.BOOTDRIVE)
            _functions.wipe_partitions(self.BOOTDRIVE)
            self.reread_partitions(self.BOOTDRIVE)
            logger.info("Creating boot partition")
            parted_cmd = "parted %s -s \"mklabel %s\"" % (self.BOOTDRIVE,
                                                          self.LABEL_TYPE)
            _functions.system(parted_cmd)
            self.create_efi_partition()
            boot_end_mb = self.EFI_SIZE + self.BOOT_SIZE
            parted_cmd = ("parted \"%s\" -s \"mkpart primary ext2 %sM %sM\"" %
                         (self.BOOTDRIVE, self.EFI_SIZE, boot_end_mb))
            _functions.system(parted_cmd)
            parted_cmd = ("parted \"%s\" -s \"mkpart primary ext2 %sM %sM\"" %
                         (self.BOOTDRIVE , boot_end_mb, boot_end_mb + self.BOOT_SIZE))
            _functions.system(parted_cmd)
            parted_cmd = ("parted \"" + self.BOOTDRIVE + "\" -s \"set 1 " +
                         "boot on\"")
            _functions.system(parted_cmd)
            self.reread_partitions(self.BOOTDRIVE)
            partboot = self.BOOTDRIVE + "2"
            partbootbackup = self.BOOTDRIVE + "3"

            if not os.path.exists(partboot):
                logger.debug("%s does not exist" % partboot)
                partboot = self.BOOTDRIVE + "p2"
                partbootbackup = self.BOOTDRIVE + "p3"

            # sleep to ensure filesystems are created before continuing
            _functions.system("udevadm settle")
            _functions.system("mke2fs \"" + str(partboot) + "\" -L Boot")
            _functions.system("tune2fs -c 0 -i 0 \"" + str(partboot) + "\"")
            _functions.system("ln -snf \"" + partboot + \
                              "\" /dev/disk/by-label/Boot")
            _functions.system("mke2fs \"" + str(partbootbackup) + \
                              "\" -L BootBackup")
            _functions.system("tune2fs -c 0 -i 0 \"" + \
                              str(partbootbackup) + "\"")
            _functions.system("ln -snf \"" + partbootbackup +
                   "\" /dev/disk/by-label/BootBackup")
            self.ISCSIDRIVE = _functions.translate_multipath_device(
                               _functions.OVIRT_VARS["OVIRT_ISCSI_INIT"])
            logger.debug(self.ISCSIDRIVE)
            if self.create_iscsiroot():
                logger.info("iSCSI Root Partitions Created")
                if self.create_hostvg():
                    if len(self.APPVGDRIVE) > 0:
                        self.create_appvg()
                    logger.info("Completed!")
                    return True

        if ("OVIRT_ROOT_INSTALL" in _functions.OVIRT_VARS and
                  _functions.OVIRT_VARS["OVIRT_ROOT_INSTALL"] == "y" and not \
                      _functions.is_iscsi_install()):
            logger.info("Partitioning root drive: " + self.ROOTDRIVE)
            _functions.wipe_partitions(self.ROOTDRIVE)
            self.reread_partitions(self.ROOTDRIVE)
            logger.info("Labeling Drive: " + self.ROOTDRIVE)
            parted_cmd = ("parted \"" + self.ROOTDRIVE + "\" -s \"mklabel " +
                         self.LABEL_TYPE + "\"")
            _functions.passthrough(parted_cmd, logger.debug)
            logger.debug("Creating Root and RootBackup Partitions")
            if _functions.is_efi_boot():
                self.create_efi_partition()
            else:
                # create partition labeled bios_grub
                parted_cmd = ("parted \"" + self.ROOTDRIVE +
                             "\" -s \"mkpart primary 1M " +
                             str(self.EFI_SIZE) + "M\"")
                _functions.passthrough(parted_cmd, logger.debug)
                parted_cmd = ("parted \"" + self.ROOTDRIVE +
                             "\" -s \"set 1 bios_grub on\"")
                _functions.passthrough(parted_cmd, logger.debug)
            parted_cmd = ("parted \"" + self.ROOTDRIVE +
                         "\" -s \"mkpart primary ext2 " + str(self.EFI_SIZE) +
                         "M " + str(self.Root_end) + "M\"")
            _functions.passthrough(parted_cmd, logger.debug)
            parted_cmd = ("parted \"" + self.ROOTDRIVE +
                         "\" -s \"mkpart primary ext2 " +
                         str(self.Root_end) + "M " +
                         str(self.RootBackup_end) + "M\"")
            logger.debug(parted_cmd)
            _functions.system(parted_cmd)
            _functions.system("sync ; udevadm settle ; partprobe")
            parted_cmd = ("parted \"" + self.ROOTDRIVE +
                         "\" -s \"set 2 boot on\"")
            logger.debug(parted_cmd)
            _functions.system(parted_cmd)
            # force reload some cciss devices will fail to mkfs
            _functions.system("multipath -r &>/dev/null")
            self.reread_partitions(self.ROOTDRIVE)
            partroot = self.ROOTDRIVE + "2"
            partrootbackup = self.ROOTDRIVE + "3"
            if not os.path.exists(partroot):
                partroot = self.ROOTDRIVE + "p2"
                partrootbackup = self.ROOTDRIVE + "p3"
            _functions.system("mke2fs \"" + partroot + "\" -L Root")
            _functions.system("tune2fs -c 0 -i 0 \"" + partroot + "\"")
            _functions.system("ln -snf \"" + partrootbackup +
                   "\" /dev/disk/by-label/RootBackup")
            _functions.system("mke2fs \"" + partrootbackup + \
                              "\" -L RootBackup")
            _functions.system("tune2fs -c 0 -i 0 \"" + partrootbackup + "\"")
        hostvg1 = self.HOSTVGDRIVE.split(",")[0]
        self.reread_partitions(self.ROOTDRIVE)
        if self.ROOTDRIVE != hostvg1:
            _functions.system("parted \"" + hostvg1 + "\" -s \"mklabel " +
                   self.LABEL_TYPE + "\"")
        if self.create_hostvg():
            if len(self.APPVGDRIVE) > 0:
                self.create_appvg()
        else:
            return False
        if ("OVIRT_CRYPT_SWAP2" in _functions.OVIRT_VARS or
            "OVIRT_CRYPT_SWAP" in _functions.OVIRT_VARS):
            _functions.ovirt_store_config("/etc/ovirt-crypttab")
        return True
Example #8
0
    def ovirt_boot_setup(self, reboot="N"):
        self.generate_paths()
        logger.info("Installing the image.")
        # copy grub.efi to safe location
        if _functions.is_efi_boot():
            if "OVIRT_ISCSI_INSTALL" in OVIRT_VARS:
                _functions.system("umount /boot")
            if os.path.isfile("/boot/efi/%s/grubx64.efi" % self.efi_path):
                shutil.copy("/boot/efi/%s/grubx64.efi" % self.efi_path, "/tmp")
            else:
                shutil.copy("/boot/efi/%s/grub.efi" % self.efi_path, "/tmp")
            _functions.mount_boot()
        if "OVIRT_ROOT_INSTALL" in OVIRT_VARS:
            if OVIRT_VARS["OVIRT_ROOT_INSTALL"] == "n":
                logger.info("Root Installation Not Required, Finished.")
                return True
        self.oldtitle = None
        grub_config_file = None
        if _functions.findfs("Boot") and _functions.is_upgrade():
            grub_config_file = "/boot/grub/grub.conf"
            if not _functions.connect_iscsi_root():
                return False
        _functions.mount_liveos()
        if os.path.ismount("/liveos"):
            if os.path.exists("/liveos/vmlinuz0") \
                              and os.path.exists("/liveos/initrd0.img"):
                grub_config_file = self.grub_config_file
        elif not _functions.is_firstboot():
            # find existing iscsi install
            if _functions.findfs("Boot"):
                grub_config_file = "/boot/grub/grub.conf"
            elif os.path.ismount("/dev/.initramfs/live"):
                if not _functions.grub2_available():
                    grub_config_file = "/dev/.initramfs/live/grub/grub.conf"
                else:
                    grub_config_file = "/dev/.initramfs/live/grub2/grub.cfg"
            elif os.path.ismount("/run/initramfs/live"):
                grub_config_file = "/run/initramfs/live/grub/grub.conf"
            if _functions.is_upgrade() and not _functions.is_iscsi_install():
                _functions.mount_liveos()
                grub_config_file = "/liveos/grub/grub.conf"
        if _functions.is_iscsi_install() or _functions.findfs("Boot") \
            and not _functions.is_efi_boot():
            grub_config_file = "/boot/grub/grub.conf"
        if _functions.is_efi_boot():
            logger.debug(str(os.listdir("/liveos")))
            _functions.system("umount /liveos")
            _functions.mount_efi(target="/liveos")
            if self.efi_name == "fedora":
                grub_config_file = "/liveos/EFI/fedora/grub.cfg"
            else:
                grub_config_file = "/liveos/%s/grub.conf" % self.efi_path
        grub_config_file_exists = grub_config_file is not None \
            and os.path.exists(grub_config_file)
        logger.debug("Grub config file is: %s" % grub_config_file)
        logger.debug("Grub config file exists: %s" % grub_config_file_exists)
        if not grub_config_file is None and os.path.exists(grub_config_file):
            f = open(grub_config_file)
            oldgrub = f.read()
            f.close()
            if _functions.grub2_available():
                m = re.search("^menuentry (.*)$", oldgrub, re.MULTILINE)
            else:
                m = re.search("^title (.*)$", oldgrub, re.MULTILINE)
            if m is not None:
                self.oldtitle = m.group(1)
                # strip off extra title characters
                if _functions.grub2_available():
                    self.oldtitle = self.oldtitle.replace('"', '').strip(" {")
        _functions.system("umount /liveos/efi")
        _functions.system("umount /liveos")
        if _functions.is_iscsi_install() or _functions.findfs("Boot"):
            self.boot_candidate = None
            boot_candidate_names = ["BootBackup", "BootUpdate", "BootNew"]
            for trial in range(1, 3):
                time.sleep(1)
                for candidate_name in boot_candidate_names:
                    logger.debug(os.listdir("/dev/disk/by-label"))
                    if _functions.findfs(candidate_name):
                        self.boot_candidate = candidate_name
                        break
                logger.debug("Trial %s to find candidate (%s)" % \
                             (trial, candidate_name))
                if self.boot_candidate:
                    logger.debug("Found candidate: %s" % self.boot_candidate)
                    break

            if not self.boot_candidate:
                logger.error("Unable to find boot partition")
                label_debug = ''
                for label in os.listdir("/dev/disk/by-label"):
                    label_debug += "%s\n" % label
                label_debug += _functions.subprocess_closefds("blkid", \
                                          shell=True, stdout=subprocess.PIPE,
                                          stderr=subprocess.STDOUT).stdout.read()
                logger.debug(label_debug)
                return False
            else:
                boot_candidate_dev = _functions.findfs(self.boot_candidate)
            # prepare Root partition update
            if self.boot_candidate != "BootNew":
                e2label_cmd = "e2label \"%s\" BootNew" % boot_candidate_dev
                logger.debug(e2label_cmd)
                if not _functions.system(e2label_cmd):
                    logger.error("Failed to label new Boot partition")
                    return False
            _functions.system("umount /boot")
            _functions.system("mount %s /boot &>/dev/null" \
                              % boot_candidate_dev)

        candidate = None
        candidate_dev = None
        candidate_names = ["RootBackup", "RootUpdate", "RootNew"]
        for trial in range(1, 3):
            time.sleep(1)
            for candidate_name in candidate_names:
                candidate_dev = _functions.findfs(candidate_name)
                logger.debug("Finding %s: '%s'" %
                             (candidate_name, candidate_dev))
                if candidate_dev:
                    candidate = candidate_name
                    logger.debug("Found: %s" % candidate)
                    break
            logger.debug("Trial %s to find candidate (%s)" %
                         (trial, candidate_name))
            if candidate:
                logger.debug("Found candidate: '%s'" % candidate)
                break

        if not candidate:
            logger.error("Unable to find root partition")
            label_debug = ''
            for label in os.listdir("/dev/disk/by-label"):
                label_debug += "%s\n" % label
            label_debug += _functions.subprocess_closefds(
                "blkid",
                shell=True,
                stdout=subprocess.PIPE,
                stderr=subprocess.STDOUT).stdout.read()
            logger.debug(label_debug)
            return False

        try:
            self.disk = candidate_dev
            logger.info("Candidate device: %s" % candidate_dev)
            logger.info("Candidate disk: %s" % self.disk)
            # grub2 starts at part 1
            self.partN = int(self.disk[-1:])
            if not _functions.grub2_available():
                self.partN = self.partN - 1
        except:
            logger.debug("Failed to get partition", exc_info=True)
            return False

        if self.disk is None or self.partN < 0:
            logger.error("Failed to determine Root partition number")
            return False
        # prepare Root partition update
        if candidate != "RootNew":
            e2label_cmd = "e2label \"%s\" RootNew" % candidate_dev
            logger.debug(e2label_cmd)
            if not _functions.system(e2label_cmd):
                logger.error("Failed to label new Root partition")
                return False
        mount_cmd = "mount \"%s\" /liveos" % candidate_dev
        if not _functions.system(mount_cmd):
            logger.error("Failed to mount %s on /liveos" % candidate_dev)
            _functions.system("lsof")
            _functions.system("dmsetup info -c")
            _functions.system("cat /proc/mounts")
            _functions.system("multipath -ll")
            _functions.system("lsblk")
            _functions.system("ls -l /dev/mapper")
        _functions.system("rm -rf /liveos/LiveOS")
        _functions.system("mkdir -p /liveos/LiveOS")
        _functions.mount_live()

        if os.path.isdir(self.grub_dir):
            shutil.rmtree(self.grub_dir)
        if not os.path.exists(self.grub_dir):
            os.makedirs(self.grub_dir)
            if _functions.is_efi_boot():
                logger.info("efi detected, installing efi configuration")
                _functions.system("mkdir /liveos/efi")
                _functions.mount_efi()
                _functions.system("mkdir -p /liveos/efi/%s" % self.efi_path)
                if _functions.is_iscsi_install() or _functions.is_efi_boot():
                    if os.path.isfile("/tmp/grubx64.efi"):
                        shutil.copy(
                            "/tmp/grubx64.efi",
                            "/liveos/efi/%s/grubx64.efi" % self.efi_path)
                    else:
                        shutil.copy("/tmp/grub.efi",
                                    "/liveos/efi/%s/grub.efi" % self.efi_path)
                elif os.path.isfile("/boot/efi/%s/grubx64.efi" %
                                    self.efi_path):
                    shutil.copy("/boot/efi/%s/grubx64.efi" % self.efi_path,
                                "/liveos/efi/%s/grubx64.efi" % self.efi_path)
                else:
                    shutil.copy("/boot/efi/%s/grub.efi" % self.efi_path,
                                "/liveos/efi/%s/grub.efi" % self.efi_path)
                if _functions.is_iscsi_install() or _functions.findfs(
                        "BootNew"):
                    self.disk = _functions.findfs("BootNew")
                if not "/dev/mapper/" in self.disk:
                    efi_disk = self.disk[:-1]
                else:
                    efi_disk = re.sub(r'p?[1,2,3]$', "", self.disk)
                # generate grub legacy config for efi partition
                #remove existing efi entries
                _functions.remove_efi_entry(_functions.PRODUCT_SHORT)
                if self.efi_name == "fedora":
                    _functions.add_efi_entry(
                        _functions.PRODUCT_SHORT,
                        ("\\EFI\\%s\\grubx64.efi" % self.efi_name), efi_disk)
                else:
                    if os.path.isfile("/liveos/efi/%s/grubx64.efi" %
                                      self.efi_path):
                        _functions.add_efi_entry(
                            _functions.PRODUCT_SHORT,
                            ("\\EFI\\%s\\grubx64.efi" % self.efi_name),
                            efi_disk)
                    else:
                        _functions.add_efi_entry(
                            _functions.PRODUCT_SHORT,
                            ("\\EFI\\%s\\grub.efi" % self.efi_name), efi_disk)
        self.kernel_image_copy()

        # reorder tty0 to allow both serial and phys console after installation
        if _functions.is_iscsi_install() or _functions.findfs("BootNew"):
            self.root_param = "root=live:LABEL=Root"
            if "OVIRT_NETWORK_LAYOUT" in OVIRT_VARS and \
                OVIRT_VARS["OVIRT_NETWORK_LAYOUT"] == "bridged":
                network_conf = "ip=br%s:dhcp bridge=br%s:%s" % \
                                (OVIRT_VARS["OVIRT_BOOTIF"],
                                 OVIRT_VARS["OVIRT_BOOTIF"],
                                 OVIRT_VARS["OVIRT_BOOTIF"])
            else:
                network_conf = "ip=%s:dhcp" % OVIRT_VARS["OVIRT_BOOTIF"]
            self.bootparams = "netroot=iscsi:%s::%s::%s %s " % (
                OVIRT_VARS["OVIRT_ISCSI_TARGET_HOST"],
                OVIRT_VARS["OVIRT_ISCSI_TARGET_PORT"],
                OVIRT_VARS["OVIRT_ISCSI_TARGET_NAME"], network_conf)
            if "OVIRT_ISCSI_NAME" in OVIRT_VARS:
                self.bootparams+= "iscsi_initiator=%s " % \
                    OVIRT_VARS["OVIRT_ISCSI_NAME"]
        else:
            self.root_param = "root=live:LABEL=Root"
            self.bootparams = "ro rootfstype=auto rootflags=ro "
        self.bootparams += OVIRT_VARS["OVIRT_BOOTPARAMS"].replace(
            "console=tty0", "").replace("rd_NO_MULTIPATH", "")

        if " " in self.disk:
            # workaround for grub setup failing with spaces in dev.name:
            # use first active sd* device
            self.disk = re.sub("p[1,2,3]$", "", self.disk)
            grub_disk_cmd = ("multipath -l " + "\"" + self.disk + "\" " +
                             "| egrep -o '[0-9]+:.*' " +
                             "| awk '/ active / {print $2}' " + "| head -n1")
            logger.debug(grub_disk_cmd)
            grub_disk = _functions.subprocess_closefds(
                grub_disk_cmd,
                shell=True,
                stdout=subprocess.PIPE,
                stderr=subprocess.STDOUT)
            grub_disk_output, grub_disk_err = grub_disk.communicate()
            self.disk = grub_disk_output.strip()
            if "cciss" in self.disk:
                self.disk = self.disk.replace("!", "/")
            # flush to sync DM and blockdev, workaround from rhbz#623846#c14
            sysfs = open("/proc/sys/vm/drop_caches", "w")
            sysfs.write("3")
            sysfs.close()
        if not self.disk.startswith("/dev/"):
            self.disk = "/dev/" + self.disk
        try:
            if stat.S_ISBLK(os.stat(self.disk).st_mode):
                try:
                    if stat.S_ISBLK(os.stat(self.disk[:-1]).st_mode):
                        # e.g. /dev/sda2
                        self.disk = self.disk[:-1]
                except OSError:
                    pass
                try:
                    if stat.S_ISBLK(os.stat(self.disk[:-2]).st_mode):
                        # e.g. /dev/mapper/WWIDp2
                        self.disk = self.disk[:-2]
                except OSError:
                    pass
        except OSError:
            logger.error("Unable to determine disk for grub installation " +
                         traceback.format_exc())
            return False

        self.grub_dict = {
            "product": _functions.PRODUCT_SHORT,
            "version": _functions.PRODUCT_VERSION,
            "release": _functions.PRODUCT_RELEASE,
            "partN": self.partN,
            "root_param": self.root_param,
            "bootparams": self.bootparams,
            "disk": self.disk,
            "grub_dir": self.grub_dir,
            "grub_prefix": self.grub_prefix,
            "efi_hd": self.efi_hd,
            "linux": "linux",
            "initrd": "initrd",
        }
        if not _functions.is_firstboot():
            if os.path.ismount("/live"):
                with open("%s/version" % self.live_path) as version:
                    for line in version.readlines():
                        if "VERSION" in line:
                            key, value = line.split("=")
                            self.grub_dict["version"] = value.strip()
                        if "RELEASE" in line:
                            key, value = line.split("=")
                            self.grub_dict["release"] = value.strip()

        if _functions.grub2_available():
            if not self.grub2_install():
                logger.error("Grub2 Installation Failed ")
                return False
            else:
                logger.info("Grub2 EFI Installation Completed ")
        else:
            if not self.grub_install():
                logger.error("Grub Installation Failed ")
                return False
            else:
                logger.info("Grub Installation Completed")

        if _functions.is_iscsi_install() or _functions.findfs("BootNew"):
            # copy default for when Root/HostVG is inaccessible(iscsi upgrade)
            shutil.copy(_functions.OVIRT_DEFAULTS, "/boot")
            # mark new Boot ready to go, reboot() in ovirt-function switches it
            # to active
            e2label_cmd = "e2label \"%s\" BootUpdate" % boot_candidate_dev

            if not _functions.system(e2label_cmd):
                logger.error("Unable to relabel " + boot_candidate_dev +
                             " to RootUpdate ")
                return False
        else:
            _functions.system("umount /liveos/efi")
        _functions.system("umount /liveos")
        # mark new Root ready to go, reboot() in ovirt-function switches it
        # to active
        e2label_cmd = "e2label \"%s\" RootUpdate" % candidate_dev
        if not _functions.system(e2label_cmd):
            logger.error("Unable to relabel " + candidate_dev +
                         " to RootUpdate ")
            return False
        _functions.system("udevadm settle --timeout=10")

        #
        # Rebuild the initramfs
        # A few hacks are needed to prep the chroot
        # The general issue is that we need to run dracut in the context fo the new iso
        # and that we need to put the initrd in the right place of the new iso.
        # These two things make the logic a bit more complicated.
        #
        mnts = []
        try:
            if not _functions.system("blkid -L RootUpdate"):
                raise RuntimeError("RootUpdate not found")

            # Let's mount the update fs, and use that kernel version and modules
            # We need this work to help dracut
            isomnt = tempfile.mkdtemp("RootUpdate")
            squashmnt = tempfile.mkdtemp("RootUpdate-LiveOS")
            updfs = tempfile.mkdtemp("RootUpdate-LiveOS-Img")
            mnts += [isomnt, squashmnt, updfs]

            # Unpack the iso
            def _call(args):
                logger.debug("Calling: %s" % args)
                try:
                    out = subprocess.check_output(args)
                    logger.debug("Out: %s" % out)
                except Exception as e:
                    logger.debug("Failed with: %s %s" % (e, e.output))
                    raise

            _call(["mount", "LABEL=RootUpdate", isomnt])
            _call(["mount", "%s/LiveOS/squashfs.img" % isomnt, squashmnt])
            _call(["mount", "%s/LiveOS/ext3fs.img" % squashmnt, updfs])

            # Now mount the update modules into place, and find the
            # correct kver
            def rbind(path, updfs=updfs):
                dst = updfs + "/" + path
                logger.debug("Binding %r to %r" % (path, dst))
                _call(["mount", "--make-rshared", "--rbind", "/" + path, dst])
                return dst

            for path in ["etc", "dev", "proc", "sys", "tmp", "run", "var/tmp"]:
                mnts += [rbind(path)]

            upd_kver = str(
                _functions.passthrough("ls -1 %s/lib/modules" %
                                       updfs)).strip()

            if len(upd_kver.splitlines()) != 1:
                # It would be very unusual to see more than one kver directory
                # in /lib/modules but might happen when using edit-node.
                # Check via check_higher_kernel() the higher version available
                upd_kver = self.check_higher_kernel(updfs)
                if upd_kver is None:
                    raise RuntimeError("Unable to find the kernel version")

            # Update initramfs to pickup multipath wwids
            # Let /boot point to the filesystem on the update candidate partition
            builder = _system.Initramfs(dracut_chroot=updfs,
                                        boot_source=isomnt)
            builder.rebuild(kver=upd_kver)

        except Exception as e:
            logger.debug("Failed to build initramfs: %s" % e, exc_info=True)
            output = getattr(e, "output", "")
            if output:
                logger.debug("Output: %s" % output)
            raise

        finally:
            # Clean up all eventual mounts
            pass
            # Disabled for now because akward things happen, we leave it to
            # systemd to unnmount on reboot
            # for mnt in reversed(mnts):
            #     d = _functions.passthrough("umount -fl %s" % mnt, logger.debug)
            #     logger.debug("Returned: %s" % d)

        _functions.disable_firstboot()
        if _functions.finish_install():
            if _functions.is_firstboot():
                _iscsi.iscsi_auto()
            logger.info("Installation of %s Completed" % \
                                                      _functions.PRODUCT_SHORT)
            if reboot is not None and reboot == "Y":
                _system.async_reboot()
            return True
        else:
            return False
Example #9
0
    def perform_partitioning(self):
        if self.HOSTVGDRIVE is None and not _functions.is_iscsi_install():
            logger.error("\nNo storage device selected.")
            return False

        if self.BOOTDRIVE is None and _functions.is_iscsi_install():
            logger.error("No storage device selected.")
            return False

        if _functions.has_fakeraid(self.HOSTVGDRIVE):
            if not handle_fakeraid(self.HOSTVGDRIVE):
                return False
        if _functions.has_fakeraid(self.ROOTDRIVE):
            if not handle_fakeraid(self.ROOTDRIVE):
                return False

        logger.info("Saving parameters")
        _functions.unmount_config("/etc/default/ovirt")
        if not self.check_partition_sizes():
            return False
        logger.info("Removing old LVM partitions")
        # HostVG must not exist at this point
        # we wipe only foreign LVM here
        logger.info("Wiping LVM on HOSTVGDRIVE %s" % self.HOSTVGDRIVE)
        if not self.wipe_lvm_on_disk(self.HOSTVGDRIVE):
            logger.error("Wiping LVM on %s Failed" % self.HOSTVGDRIVE)
            return False
        logger.info("Wiping LVM on ROOTDRIVE %s" % self.ROOTDRIVE)
        if not self.wipe_lvm_on_disk(self.ROOTDRIVE):
            logger.error("Wiping LVM on %s Failed" % self.ROOTDRIVE)
            return False
        logger.info("Wiping LVM on BOOTDRIVE %s" % self.BOOTDRIVE)
        if not self.wipe_lvm_on_disk(self.BOOTDRIVE):
            logger.error("Wiping LVM on %s Failed" % self.BOOTDRIVE)
            return False
        logger.debug("Old LVM partitions should be gone.")
        logger.debug(_functions.passthrough("vgdisplay -v"))

        self.boot_size_si = self.BOOT_SIZE * (1024 * 1024) / (1000 * 1000)
        if _functions.is_iscsi_install():
            # login to target and setup disk"
            get_targets = ("iscsiadm -m discovery -p %s:%s -t sendtargets" %
                           (_functions.OVIRT_VARS["OVIRT_ISCSI_TARGET_HOST"],
                           _functions.OVIRT_VARS["OVIRT_ISCSI_TARGET_PORT"]))
            _functions.system(get_targets)
            before_login_drvs = self.get_dev_name()
            logger.debug(before_login_drvs)
            login_cmd = ("iscsiadm -m node -T %s -p %s:%s -l" %
                        (_functions.OVIRT_VARS["OVIRT_ISCSI_TARGET_NAME"],
                        _functions.OVIRT_VARS["OVIRT_ISCSI_TARGET_HOST"],
                        _functions.OVIRT_VARS["OVIRT_ISCSI_TARGET_PORT"]))
            _functions.system(login_cmd)
            _functions.system("multipath -r")
            after_login_drvs = self.get_dev_name()
            logger.debug(after_login_drvs)
            logger.info("iSCSI enabled, partitioning boot drive: %s" %
                        self.BOOTDRIVE)
            _functions.wipe_partitions(self.BOOTDRIVE)
            self.reread_partitions(self.BOOTDRIVE)
            logger.info("Creating boot partition")
            parted_cmd = "parted %s -s \"mklabel %s\"" % (self.BOOTDRIVE,
                                                          self.LABEL_TYPE)
            _functions.system(parted_cmd)
            parted_cmd = ("parted \"%s\" -s \"mkpart primary ext2 1M 256M\"" %
                       self.BOOTDRIVE)
            _functions.system(parted_cmd)
            parted_cmd = ("parted \"%s\" -s \"mkpart primary ext2 256M " +
                          "512M\"") % self.BOOTDRIVE
            _functions.system(parted_cmd)
            parted_cmd = ("parted \"" + self.BOOTDRIVE + "\" -s \"set 1 " +
                         "boot on\"")
            _functions.system(parted_cmd)
            self.reread_partitions(self.BOOTDRIVE)
            partboot = self.BOOTDRIVE + "1"
            if not os.path.exists(partboot):
                logger.debug("%s does not exist" % partboot)
                partboot = self.BOOTDRIVE + "p1"
            partbootbackup = self.BOOTDRIVE + "2"
            if not os.path.exists(partbootbackup):
                logger.debug("%s does not exist" % partbootbackup)
                partbootbackup = self.BOOTDRIVE + "p2"
            # sleep to ensure filesystems are created before continuing
            _functions.system("udevadm settle")
            time.sleep(10)
            _functions.system("mke2fs \"" + str(partboot) + "\" -L Boot")
            _functions.system("tune2fs -c 0 -i 0 \"" + str(partboot) + "\"")
            _functions.system("ln -snf \"" + partboot + \
                              "\" /dev/disk/by-label/Boot")
            _functions.system("mke2fs \"" + str(partbootbackup) + \
                              "\" -L BootBackup")
            _functions.system("tune2fs -c 0 -i 0 \"" + \
                              str(partbootbackup) + "\"")
            _functions.system("ln -snf \"" + partbootbackup +
                   "\" /dev/disk/by-label/BootBackup")
            self.ISCSIDRIVE = _functions.translate_multipath_device(
                               _functions.OVIRT_VARS["OVIRT_ISCSI_INIT"])
            logger.debug(self.ISCSIDRIVE)
            if self.create_iscsiroot():
                logger.info("iSCSI Root Partitions Created")
                if self.create_hostvg():
                    logger.info("Completed!")
                    return True

        if ("OVIRT_ROOT_INSTALL" in _functions.OVIRT_VARS and
                  _functions.OVIRT_VARS["OVIRT_ROOT_INSTALL"] == "y"):
            logger.info("Partitioning root drive: " + self.ROOTDRIVE)
            _functions.wipe_partitions(self.ROOTDRIVE)
            self.reread_partitions(self.ROOTDRIVE)
            logger.info("Labeling Drive: " + self.ROOTDRIVE)
            parted_cmd = ("parted \"" + self.ROOTDRIVE + "\" -s \"mklabel " +
                         self.LABEL_TYPE + "\"")
            _functions.passthrough(parted_cmd, logger.debug)
            logger.debug("Creating Root and RootBackup Partitions")
            # efi partition should at 0M
            if _functions.is_efi_boot():
                parted_cmd = ("parted \"" + self.ROOTDRIVE +
                             "\" -s \"mkpart EFI 1M " +
                             str(self.EFI_SIZE) + "M\"")
                _functions.passthrough(parted_cmd, logger.debug)
            else:
                # create partition labeled bios_grub
                parted_cmd = ("parted \"" + self.ROOTDRIVE +
                             "\" -s \"mkpart primary 1M " +
                             str(self.EFI_SIZE) + "M\"")
                _functions.passthrough(parted_cmd, logger.debug)
                parted_cmd = ("parted \"" + self.ROOTDRIVE +
                             "\" -s \"set 1 bios_grub on\"")
                _functions.passthrough(parted_cmd, logger.debug)
            parted_cmd = ("parted \"" + self.ROOTDRIVE +
                         "\" -s \"mkpart primary ext2 " + str(self.EFI_SIZE) +
                         "M " + str(self.Root_end) + "M\"")
            _functions.passthrough(parted_cmd, logger.debug)
            parted_cmd = ("parted \"" + self.ROOTDRIVE +
                         "\" -s \"mkpart primary ext2 " +
                         str(self.Root_end) + "M " +
                         str(self.RootBackup_end) + "M\"")
            logger.debug(parted_cmd)
            _functions.system(parted_cmd)
            parted_cmd = ("parted \"" + self.ROOTDRIVE +
                         "\" -s \"set 2 boot on\"")
            logger.debug(parted_cmd)
            _functions.system(parted_cmd)
            # sleep to ensure filesystems are created before continuing
            time.sleep(5)
            # force reload some cciss devices will fail to mkfs
            _functions.system("multipath -r &>/dev/null")
            self.reread_partitions(self.ROOTDRIVE)
            partefi = self.ROOTDRIVE + "1"
            partroot = self.ROOTDRIVE + "2"
            partrootbackup = self.ROOTDRIVE + "3"
            if not os.path.exists(partroot):
                partefi = self.ROOTDRIVE + "p1"
                partroot = self.ROOTDRIVE + "p2"
                partrootbackup = self.ROOTDRIVE + "p3"
            if _functions.is_efi_boot():
                _functions.system("ln -snf \"" + partefi + \
                                  "\" /dev/disk/by-label/EFI")
                _functions.system("mkfs.vfat \"" + partefi + "\"")
            _functions.system("ln -snf \"" + partroot + \
                              "\" /dev/disk/by-label/Root")
            _functions.system("mke2fs \"" + partroot + "\" -L Root")
            _functions.system("tune2fs -c 0 -i 0 \"" + partroot + "\"")
            _functions.system("ln -snf \"" + partrootbackup +
                   "\" /dev/disk/by-label/RootBackup")
            _functions.system("mke2fs \"" + partrootbackup + \
                              "\" -L RootBackup")
            _functions.system("tune2fs -c 0 -i 0 \"" + partrootbackup + "\"")
        hostvg1 = self.HOSTVGDRIVE.split(",")[0]
        self.reread_partitions(self.ROOTDRIVE)
        if self.ROOTDRIVE != hostvg1:
            _functions.system("parted \"" + hostvg1 + "\" -s \"mklabel " +
                   self.LABEL_TYPE + "\"")
        if self.create_hostvg():
            if len(self.APPVGDRIVE) > 0:
                self.create_appvg()
        else:
            return False
        if ("OVIRT_CRYPT_SWAP2" in _functions.OVIRT_VARS or
            "OVIRT_CRYPT_SWAP" in _functions.OVIRT_VARS):
            _functions.ovirt_store_config("/etc/ovirt-crypttab")
        return True
Example #10
0
    def ovirt_boot_setup(self, reboot="N"):
        self.generate_paths()
        logger.info("Installing the image.")
        # copy grub.efi to safe location
        if _functions.is_efi_boot():
            if "OVIRT_ISCSI_INSTALL" in OVIRT_VARS:
                _functions.system("umount /boot")
            if os.path.isfile("/boot/efi/%s/grubx64.efi" % self.efi_path):
                shutil.copy("/boot/efi/%s/grubx64.efi" % self.efi_path, "/tmp")
            else:
                shutil.copy("/boot/efi/%s/grub.efi" % self.efi_path, "/tmp")
            _functions.mount_boot()
        if "OVIRT_ROOT_INSTALL" in OVIRT_VARS:
            if OVIRT_VARS["OVIRT_ROOT_INSTALL"] == "n":
                logger.info("Root Installation Not Required, Finished.")
                return True
        self.oldtitle=None
        grub_config_file = None
        if _functions.findfs("Boot") and _functions.is_upgrade():
            grub_config_file = "/boot/grub/grub.conf"
            if not _functions.connect_iscsi_root():
                return False
        _functions.mount_liveos()
        if os.path.ismount("/liveos"):
            if os.path.exists("/liveos/vmlinuz0") \
                              and os.path.exists("/liveos/initrd0.img"):
                grub_config_file = self.grub_config_file
        elif not _functions.is_firstboot():
            # find existing iscsi install
            if _functions.findfs("Boot"):
                grub_config_file = "/boot/grub/grub.conf"
            elif os.path.ismount("/dev/.initramfs/live"):
                if not _functions.grub2_available():
                    grub_config_file = "/dev/.initramfs/live/grub/grub.conf"
                else:
                    grub_config_file = "/dev/.initramfs/live/grub2/grub.cfg"
            elif os.path.ismount("/run/initramfs/live"):
                grub_config_file = "/run/initramfs/live/grub/grub.conf"
            if _functions.is_upgrade() and not _functions.is_iscsi_install():
                _functions.mount_liveos()
                grub_config_file = "/liveos/grub/grub.conf"
        if _functions.is_iscsi_install() or _functions.findfs("Boot") \
            and not _functions.is_efi_boot():
            grub_config_file = "/boot/grub/grub.conf"
        if _functions.is_efi_boot():
            logger.debug(str(os.listdir("/liveos")))
            _functions.system("umount /liveos")
            _functions.mount_efi(target="/liveos")
            if self.efi_name == "fedora":
                grub_config_file = "/liveos/EFI/fedora/grub.cfg"
            else:
                grub_config_file = "/liveos/%s/grub.conf" % self.efi_path
        grub_config_file_exists = grub_config_file is not None \
            and os.path.exists(grub_config_file)
        logger.debug("Grub config file is: %s" % grub_config_file)
        logger.debug("Grub config file exists: %s" % grub_config_file_exists)
        if not grub_config_file is None and os.path.exists(grub_config_file):
            f=open(grub_config_file)
            oldgrub=f.read()
            f.close()
            if _functions.grub2_available():
                m=re.search("^menuentry (.*)$", oldgrub, re.MULTILINE)
            else:
                m=re.search("^title (.*)$", oldgrub, re.MULTILINE)
            if m is not None:
                self.oldtitle=m.group(1)
                # strip off extra title characters
                if _functions.grub2_available():
                    self.oldtitle = self.oldtitle.replace('"','').strip(" {")
        _functions.system("umount /liveos/efi")
        _functions.system("umount /liveos")
        if _functions.is_iscsi_install() or _functions.findfs("Boot"):
            self.boot_candidate = None
            boot_candidate_names = ["BootBackup", "BootUpdate", "BootNew"]
            for trial in range(1, 3):
                time.sleep(1)
                for candidate_name in boot_candidate_names:
                    logger.debug(os.listdir("/dev/disk/by-label"))
                    if _functions.findfs(candidate_name):
                        self.boot_candidate = candidate_name
                        break
                logger.debug("Trial %s to find candidate (%s)" % \
                             (trial, candidate_name))
                if self.boot_candidate:
                    logger.debug("Found candidate: %s" % self.boot_candidate)
                    break

            if not self.boot_candidate:
                logger.error("Unable to find boot partition")
                label_debug = ''
                for label in os.listdir("/dev/disk/by-label"):
                    label_debug += "%s\n" % label
                label_debug += _functions.subprocess_closefds("blkid", \
                                          shell=True, stdout=subprocess.PIPE,
                                          stderr=subprocess.STDOUT).stdout.read()
                logger.debug(label_debug)
                return False
            else:
                boot_candidate_dev = _functions.findfs(self.boot_candidate)
            # prepare Root partition update
            if self.boot_candidate != "BootNew":
                e2label_cmd = "e2label \"%s\" BootNew" % boot_candidate_dev
                logger.debug(e2label_cmd)
                if not _functions.system(e2label_cmd):
                    logger.error("Failed to label new Boot partition")
                    return False
            _functions.system("umount /boot")
            _functions.system("mount %s /boot &>/dev/null" \
                              % boot_candidate_dev)

        candidate = None
        candidate_dev = None
        candidate_names = ["RootBackup", "RootUpdate", "RootNew"]
        for trial in range(1, 3):
            time.sleep(1)
            for candidate_name in candidate_names:
                candidate_dev = _functions.findfs(candidate_name)
                logger.debug("Finding %s: '%s'" % (candidate_name, candidate_dev))
                if candidate_dev:
                    candidate = candidate_name
                    logger.debug("Found: %s" % candidate)
                    break
            logger.debug("Trial %s to find candidate (%s)" % (trial,
                                                              candidate_name))
            if candidate:
                logger.debug("Found candidate: '%s'" % candidate)
                break

        if not candidate:
            logger.error("Unable to find root partition")
            label_debug = ''
            for label in os.listdir("/dev/disk/by-label"):
                label_debug += "%s\n" % label
            label_debug += _functions.subprocess_closefds("blkid", shell=True,
                                      stdout=subprocess.PIPE,
                                      stderr=subprocess.STDOUT).stdout.read()
            logger.debug(label_debug)
            return False

        try:
            self.disk = candidate_dev
            logger.info("Candidate device: %s" % candidate_dev)
            logger.info("Candidate disk: %s" % self.disk)
            # grub2 starts at part 1
            self.partN = int(self.disk[-1:])
            if not _functions.grub2_available():
                self.partN = self.partN - 1
        except:
            logger.debug("Failed to get partition", exc_info=True)
            return False

        if self.disk is None or self.partN < 0:
            logger.error("Failed to determine Root partition number")
            return False
        # prepare Root partition update
        if candidate != "RootNew":
            e2label_cmd = "e2label \"%s\" RootNew" % candidate_dev
            logger.debug(e2label_cmd)
            if not _functions.system(e2label_cmd):
                logger.error("Failed to label new Root partition")
                return False
        mount_cmd = "mount \"%s\" /liveos" % candidate_dev
        if not _functions.system(mount_cmd):
            logger.error("Failed to mount %s on /liveos" % candidate_dev)
            _functions.system("lsof")
            _functions.system("dmsetup info -c")
            _functions.system("cat /proc/mounts")
            _functions.system("multipath -ll")
            _functions.system("lsblk")
            _functions.system("ls -l /dev/mapper")
        _functions.system("rm -rf /liveos/LiveOS")
        _functions.system("mkdir -p /liveos/LiveOS")
        _functions.mount_live()

        if os.path.isdir(self.grub_dir):
            shutil.rmtree(self.grub_dir)
        if not os.path.exists(self.grub_dir):
            os.makedirs(self.grub_dir)
            if _functions.is_efi_boot():
                logger.info("efi detected, installing efi configuration")
                _functions.system("mkdir /liveos/efi")
                _functions.mount_efi()
                _functions.system("mkdir -p /liveos/efi/%s" % self.efi_path)
                if _functions.is_iscsi_install() or _functions.is_efi_boot():
                    if os.path.isfile("/tmp/grubx64.efi"):
                        shutil.copy("/tmp/grubx64.efi",
                                    "/liveos/efi/%s/grubx64.efi" %
                                    self.efi_path)
                    else:
                        shutil.copy("/tmp/grub.efi",
                                    "/liveos/efi/%s/grub.efi" % self.efi_path)
                elif os.path.isfile("/boot/efi/%s/grubx64.efi" %
                        self.efi_path):
                    shutil.copy("/boot/efi/%s/grubx64.efi" % self.efi_path,
                          "/liveos/efi/%s/grubx64.efi" % self.efi_path)
                else:
                    shutil.copy("/boot/efi/%s/grub.efi" % self.efi_path,
                          "/liveos/efi/%s/grub.efi" % self.efi_path)
                if _functions.is_iscsi_install() or _functions.findfs("BootNew"):
                    self.disk = _functions.findfs("BootNew")
                if not "/dev/mapper/" in self.disk:
                    efi_disk = self.disk[:-1]
                else:
                    efi_disk = re.sub(r'p?[1,2,3]$', "", self.disk)
                # generate grub legacy config for efi partition
                #remove existing efi entries
                _functions.remove_efi_entry(_functions.PRODUCT_SHORT)
                if self.efi_name == "fedora":
                    _functions.add_efi_entry(_functions.PRODUCT_SHORT,
                                             ("\\EFI\\%s\\grubx64.efi" %
                                              self.efi_name),
                                             efi_disk)
                else:
                    if os.path.isfile("/liveos/efi/%s/grubx64.efi" %
                            self.efi_path):
                        _functions.add_efi_entry(_functions.PRODUCT_SHORT,
                                                 ("\\EFI\\%s\\grubx64.efi" %
                                                  self.efi_name),
                                                 efi_disk)
                    else:
                        _functions.add_efi_entry(_functions.PRODUCT_SHORT,
                                                 ("\\EFI\\%s\\grub.efi" %
                                                  self.efi_name),
                                                 efi_disk)
        self.kernel_image_copy()

        # reorder tty0 to allow both serial and phys console after installation
        if _functions.is_iscsi_install() or _functions.findfs("BootNew"):
            self.root_param = "root=live:LABEL=Root"
            if "OVIRT_NETWORK_LAYOUT" in OVIRT_VARS and \
                OVIRT_VARS["OVIRT_NETWORK_LAYOUT"] == "bridged":
                network_conf = "ip=br%s:dhcp bridge=br%s:%s" % \
                                (OVIRT_VARS["OVIRT_BOOTIF"],
                                 OVIRT_VARS["OVIRT_BOOTIF"],
                                 OVIRT_VARS["OVIRT_BOOTIF"])
            else:
                network_conf = "ip=%s:dhcp" % OVIRT_VARS["OVIRT_BOOTIF"]
            self.bootparams = "netroot=iscsi:%s::%s::%s %s " % (
                OVIRT_VARS["OVIRT_ISCSI_TARGET_HOST"],
                OVIRT_VARS["OVIRT_ISCSI_TARGET_PORT"],
                OVIRT_VARS["OVIRT_ISCSI_TARGET_NAME"],
                network_conf)
            if "OVIRT_ISCSI_NAME" in OVIRT_VARS:
                self.bootparams+= "iscsi_initiator=%s " % \
                    OVIRT_VARS["OVIRT_ISCSI_NAME"]
        else:
            self.root_param = "root=live:LABEL=Root"
            self.bootparams = "ro rootfstype=auto rootflags=ro "
        self.bootparams += OVIRT_VARS["OVIRT_BOOTPARAMS"].replace(
                                                            "console=tty0", ""
                                                            ).replace(
                                                            "rd_NO_MULTIPATH",
                                                            "")

        if " " in self.disk:
            # workaround for grub setup failing with spaces in dev.name:
            # use first active sd* device
            self.disk = re.sub("p[1,2,3]$", "", self.disk)
            grub_disk_cmd = ("multipath -l " +
                             "\"" + self.disk + "\" " +
                             "| egrep -o '[0-9]+:.*' " +
                             "| awk '/ active / {print $2}' " +
                             "| head -n1")
            logger.debug(grub_disk_cmd)
            grub_disk = _functions.subprocess_closefds(grub_disk_cmd,
                                            shell=True,
                                            stdout=subprocess.PIPE,
                                            stderr=subprocess.STDOUT)
            grub_disk_output, grub_disk_err = grub_disk.communicate()
            self.disk = grub_disk_output.strip()
            if "cciss" in self.disk:
                self.disk = self.disk.replace("!", "/")
            # flush to sync DM and blockdev, workaround from rhbz#623846#c14
            sysfs = open("/proc/sys/vm/drop_caches", "w")
            sysfs.write("3")
            sysfs.close()
        if not self.disk.startswith("/dev/"):
            self.disk = "/dev/" + self.disk
        try:
            if stat.S_ISBLK(os.stat(self.disk).st_mode):
                try:
                    if stat.S_ISBLK(os.stat(self.disk[:-1]).st_mode):
                        # e.g. /dev/sda2
                        self.disk = self.disk[:-1]
                except OSError:
                    pass
                try:
                    if stat.S_ISBLK(os.stat(self.disk[:-2]).st_mode):
                        # e.g. /dev/mapper/WWIDp2
                        self.disk = self.disk[:-2]
                except OSError:
                    pass
        except OSError:
            logger.error("Unable to determine disk for grub installation " +
                         traceback.format_exc())
            return False

        self.grub_dict = {
        "product": _functions.PRODUCT_SHORT,
        "version": _functions.PRODUCT_VERSION,
        "release": _functions.PRODUCT_RELEASE,
        "partN": self.partN,
        "root_param": self.root_param,
        "bootparams": self.bootparams,
        "disk": self.disk,
        "grub_dir": self.grub_dir,
        "grub_prefix": self.grub_prefix,
        "efi_hd": self.efi_hd,
        "linux": "linux",
        "initrd": "initrd",
    }
        if not _functions.is_firstboot():
            if os.path.ismount("/live"):
                with open("%s/version" % self.live_path) as version:
                    for line in version.readlines():
                        if "VERSION" in line:
                            key, value = line.split("=")
                            self.grub_dict["version"] = value.strip()
                        if "RELEASE" in line:
                            key, value = line.split("=")
                            self.grub_dict["release"] = value.strip()

        if _functions.grub2_available():
            if not self.grub2_install():
                logger.error("Grub2 Installation Failed ")
                return False
            else:
                 logger.info("Grub2 EFI Installation Completed ")
        else:
            if not self.grub_install():
                logger.error("Grub Installation Failed ")
                return False
            else:
                logger.info("Grub Installation Completed")

        if _functions.is_iscsi_install() or _functions.findfs("BootNew"):
            # copy default for when Root/HostVG is inaccessible(iscsi upgrade)
            shutil.copy(_functions.OVIRT_DEFAULTS, "/boot")
            # mark new Boot ready to go, reboot() in ovirt-function switches it
            # to active
            e2label_cmd = "e2label \"%s\" BootUpdate" % boot_candidate_dev

            if not _functions.system(e2label_cmd):
                logger.error("Unable to relabel " + boot_candidate_dev +
                             " to RootUpdate ")
                return False
        else:
            _functions.system("umount /liveos/efi")
        _functions.system("umount /liveos")
        # mark new Root ready to go, reboot() in ovirt-function switches it
        # to active
        e2label_cmd = "e2label \"%s\" RootUpdate" % candidate_dev
        if not _functions.system(e2label_cmd):
            logger.error("Unable to relabel " + candidate_dev +
                         " to RootUpdate ")
            return False
        _functions.system("udevadm settle --timeout=10")

        #
        # Rebuild the initramfs
        # A few hacks are needed to prep the chroot
        # The general issue is that we need to run dracut in the context fo the new iso
        # and that we need to put the initrd in the right place of the new iso.
        # These two things make the logic a bit more complicated.
        #
        mnts = []
        try:
            if not _functions.system("blkid -L RootUpdate"):
                raise RuntimeError("RootUpdate not found")

            # Let's mount the update fs, and use that kernel version and modules
            # We need this work to help dracut
            isomnt = tempfile.mkdtemp("RootUpdate")
            squashmnt = tempfile.mkdtemp("RootUpdate-LiveOS")
            updfs = tempfile.mkdtemp("RootUpdate-LiveOS-Img")
            mnts += [isomnt, squashmnt, updfs]

            # Unpack the iso
            def _call(args):
                logger.debug("Calling: %s" % args)
                try:
                    out = subprocess.check_output(args)
                    logger.debug("Out: %s" % out)
                except Exception as e:
                    logger.debug("Failed with: %s %s" % (e, e.output))
                    raise

            _call(["mount", "LABEL=RootUpdate", isomnt])
            _call(["mount", "%s/LiveOS/squashfs.img" % isomnt, squashmnt])
            _call(["mount", "%s/LiveOS/ext3fs.img" % squashmnt, updfs])

            # Now mount the update modules into place, and find the
            # correct kver
            def rbind(path, updfs=updfs):
                dst = updfs + "/" + path
                logger.debug("Binding %r to %r" % (path, dst))
                _call(["mount", "--make-rshared", "--rbind", "/" + path, dst])
                return dst

            for path in ["etc", "dev", "proc", "sys", "tmp", "run", "var/tmp"]:
                mnts += [rbind(path)]

            upd_kver = str(_functions.passthrough("ls -1 %s/lib/modules" % updfs)).strip()

            if len(upd_kver.splitlines()) != 1:
                # It would be very unusual to see more than one kver directory
                # in /lib/modules, because our images just contain one kernel
                raise RuntimeError("Found more than one kernel version")

            # Update initramfs to pickup multipath wwids
            # Let /boot point to the filesystem on the update candidate partition
            builder = _system.Initramfs(dracut_chroot=updfs, boot_source=isomnt)
            builder.rebuild(kver=upd_kver)

        except Exception as e:
            logger.debug("Failed to build initramfs: %s" % e, exc_info=True)
            output = getattr(e, "output", "")
            if output:
                logger.debug("Output: %s" % output)
            raise


        finally:
            # Clean up all eventual mounts
            pass
            # Disabled for now because akward things happen, we leave it to
            # systemd to unnmount on reboot
            # for mnt in reversed(mnts):
            #     d = _functions.passthrough("umount -fl %s" % mnt, logger.debug)
            #     logger.debug("Returned: %s" % d)

        _functions.disable_firstboot()
        if _functions.finish_install():
            if _functions.is_firstboot():
                _iscsi.iscsi_auto()
            logger.info("Installation of %s Completed" % \
                                                      _functions.PRODUCT_SHORT)
            if reboot is not None and reboot == "Y":
                _system.async_reboot()
            return True
        else:
            return False