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
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)
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 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
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
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
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