X-Git-Url: https://git.proxmox.com/?p=pve-storage.git;a=blobdiff_plain;f=PVE%2FDiskmanage.pm;h=18459f95291a5f70af8c051d49208cb7705fee71;hp=bee5d99d2a973e68dd166466b87b8da49f33bfb5;hb=HEAD;hpb=9018a4e639be1dbcbaff3d1915ee86d54d325b42 diff --git a/PVE/Diskmanage.pm b/PVE/Diskmanage.pm deleted file mode 100644 index bee5d99..0000000 --- a/PVE/Diskmanage.pm +++ /dev/null @@ -1,478 +0,0 @@ -package PVE::Diskmanage; - -use strict; -use warnings; -use PVE::ProcFSTools; -use Data::Dumper; -use Cwd qw(abs_path); - -use PVE::Tools qw(extract_param run_command file_get_contents file_read_firstline dir_glob_regex dir_glob_foreach trim); - -my $SMARTCTL = "/usr/sbin/smartctl"; -my $ZPOOL = "/sbin/zpool"; -my $SGDISK = "/sbin/sgdisk"; -my $PVS = "/sbin/pvs"; -my $UDEVADM = "/bin/udevadm"; - -sub verify_blockdev_path { - my ($rel_path) = @_; - - die "missing path" if !$rel_path; - my $path = abs_path($rel_path); - die "failed to get absolute path to $rel_path\n" if !$path; - - die "got unusual device path '$path'\n" if $path !~ m|^/dev/(.*)$|; - - $path = "/dev/$1"; # untaint - - assert_blockdev($path); - - return $path; -} - -sub assert_blockdev { - my ($dev, $noerr) = @_; - - if ($dev !~ m|^/dev/| || !(-b $dev)) { - return undef if $noerr; - die "not a valid block device\n"; - } - - return 1; -} - -sub init_disk { - my ($disk, $uuid) = @_; - - assert_blockdev($disk); - - # we should already have checked if it is in use in the api call - # but we check again for safety - die "disk $disk is already in use\n" if disk_is_used($disk); - - my $id = $uuid || 'R'; - run_command([$SGDISK, $disk, '-U', $id]); - return 1; -} - -sub disk_is_used { - my ($disk) = @_; - - my $dev = $disk; - $dev =~ s|^/dev/||; - - my $disklist = get_disks($dev); - - die "'$disk' is not a valid local disk\n" if !defined($disklist->{$dev}); - return 1 if $disklist->{$dev}->{used}; - - return 0; -} - -sub get_smart_data { - my ($disk) = @_; - - assert_blockdev($disk); - my $smartdata = {}; - my $datastarted = 0; - - my $returncode = 0; - eval { - $returncode = run_command([$SMARTCTL, '-a', '-f', 'brief', $disk], noerr => 1, outfunc => sub{ - my ($line) = @_; - - if ($datastarted && $line =~ m/^[ \d]{2}\d/) { - $line = trim($line); - my @data = split /\s+/, $line; - my $entry = {}; - $entry->{name} = $data[1]; - $entry->{flags} = $data[2]; - # the +0 makes a number out of the strings - $entry->{value} = $data[3] + 0; - $entry->{worst} = $data[4] + 0; - $entry->{threshold} = $data[5] + 0; - $entry->{fail} = $data[6]; - $entry->{raw} = $data[7]; - $entry->{id} = $data[0]; - push @{$smartdata->{attributes}}, $entry; - } elsif ($line =~ m/self\-assessment test result: (.*)$/) { - $smartdata->{health} = $1; - } elsif ($line =~ m/Vendor Specific SMART Attributes with Thresholds:/) { - $datastarted = 1; - } - }); - }; - my $err = $@; - - # bit 0 and 1 mark an severe smartctl error - # all others are for disk status, so ignore them - # see smartctl(8) - if ((defined($returncode) && ($returncode & 0b00000011)) || $err) { - die "Error getting S.M.A.R.T. data: Exit code: $returncode\n"; - } - $smartdata->{health} = 'UNKOWN' if !defined $smartdata->{health}; - return $smartdata; -} - -sub get_smart_health { - my ($disk) = @_; - - return "NOT A DEVICE" if !assert_blockdev($disk, 1); - - my $message = "UNKOWN"; - - eval { - run_command([$SMARTCTL, '-H', $disk], noerr => 1, outfunc => sub { - my ($line) = @_; - - if ($line =~ m/test result: (.*)$/) { - $message = $1; - } elsif ($line =~ m/open device: (.*) failed: (.*)$/) { - $message = "FAILED TO OPEN"; - } elsif ($line =~ m/^SMART Disabled/) { - $message = "SMART DISABLED"; - } - }); - }; - # we ignore errors here because by default we want to return UNKNOWN - - return $message; -} - -sub get_zfs_devices { - my $list = {}; - - # use zpool and parttype uuid, - # because log and cache do not have - # zfs type uuid - eval { - run_command([$ZPOOL, 'list', '-HPLv'], outfunc => sub { - my ($line) = @_; - - if ($line =~ m|^\t([^\t]+)\t|) { - $list->{$1} = 1; - } - }); - }; - - # only warn here, - # because maybe zfs tools are not installed - warn "$@\n" if $@; - - my $applezfsuuid = "6a898cc3-1dd2-11b2-99a6-080020736631"; - my $bsdzfsuuid = "516e7cba-6ecf-11d6-8ff8-00022d09712b"; - - dir_glob_foreach('/dev/disk/by-parttypeuuid', "($applezfsuuid|$bsdzfsuuid)\..+", sub { - my ($entry) = @_; - my $real_dev = abs_path("/dev/disk/by-parttypeuuid/$entry"); - $list->{$real_dev} = 1; - }); - - return $list; -} - -sub get_lvm_devices { - my $list = {}; - eval { - run_command([$PVS, '--noheadings', '--readonly', '-o', 'pv_name'], outfunc => sub{ - my ($line) = @_; - $line = trim($line); - if ($line =~ m|^/dev/|) { - $list->{$line} = 1; - } - }); - }; - - # if something goes wrong, we do not want - # to give up, but indicate an error has occured - warn "$@\n" if $@; - - my $lvmuuid = "e6d6d379-f507-44c2-a23c-238f2a3df928"; - - dir_glob_foreach('/dev/disk/by-parttypeuuid', "$lvmuuid\..+", sub { - my ($entry) = @_; - my $real_dev = abs_path("/dev/disk/by-parttypeuuid/$entry"); - $list->{$real_dev} = 1; - }); - - return $list; -} - -sub get_ceph_journals { - my $journalhash = {}; - - my $journal_uuid = '45b0969e-9b03-4f30-b4c6-b4b80ceff106'; - - dir_glob_foreach('/dev/disk/by-parttypeuuid', "$journal_uuid\..+", sub { - my ($entry) = @_; - my $real_dev = abs_path("/dev/disk/by-parttypeuuid/$entry"); - $journalhash->{$real_dev} = 1; - }); - - return $journalhash; -} - -sub get_udev_info { - my ($dev) = @_; - - my $info = ""; - my $data = {}; - eval { - run_command([$UDEVADM, 'info', '-n', $dev, '--query', 'all'], outfunc => sub { - my ($line) = @_; - $info .= "$line\n"; - }); - }; - warn $@ if $@; - return undef if !$info; - - return undef if $info !~ m/^E: DEVTYPE=disk$/m; - return undef if $info =~ m/^E: ID_CDROM/m; - - # we use this, because some disks are not simply in /dev - # e.g. /dev/cciss/c0d0 - if ($info =~ m/^E: DEVNAME=(\S+)$/m) { - $data->{devpath} = $1; - } - return if !defined($data->{devpath}); - - $data->{serial} = 'unknown'; - if ($info =~ m/^E: ID_SERIAL_SHORT=(\S+)$/m) { - $data->{serial} = $1; - } - - $data->{gpt} = 0; - if ($info =~ m/^E: ID_PART_TABLE_TYPE=gpt$/m) { - $data->{gpt} = 1; - } - - # detect SSD - $data->{rpm} = -1; - if ($info =~ m/^E: ID_ATA_ROTATION_RATE_RPM=(\d+)$/m) { - $data->{rpm} = $1; - } - - if ($info =~ m/^E: ID_BUS=usb$/m) { - $data->{usb} = 1; - } - - $data->{wwn} = 'unknown'; - if ($info =~ m/^E: ID_WWN=(.*)$/m) { - $data->{wwn} = $1; - } - - return $data; -} - -sub get_sysdir_info { - my ($sysdir) = @_; - - my $data = {}; - - my $size = file_read_firstline("$sysdir/size"); - return undef if !$size; - - # linux always considers sectors to be 512 bytes, - # independently of real block size - $data->{size} = $size * 512; - - # dir/queue/rotational should be 1 for hdd, 0 for ssd - $data->{rotational} = file_read_firstline("$sysdir/queue/rotational"); - - $data->{vendor} = file_read_firstline("$sysdir/device/vendor") || 'unknown'; - $data->{model} = file_read_firstline("$sysdir/device/model") || 'unknown'; - - return $data; -} - -sub get_disks { - my ($disk) = @_; - my $disklist = {}; - - my $mounted = {}; - - my $mounts = PVE::ProcFSTools::parse_proc_mounts(); - - foreach my $mount (@$mounts) { - next if $mount->[0] !~ m|^/dev/|; - $mounted->{abs_path($mount->[0])} = $mount->[1]; - }; - - my $dev_is_mounted = sub { - my ($dev) = @_; - return $mounted->{$dev}; - }; - - my $dir_is_empty = sub { - my ($dir) = @_; - - my $dh = IO::Dir->new ($dir); - return 1 if !$dh; - - while (defined(my $tmp = $dh->read)) { - next if $tmp eq '.' || $tmp eq '..'; - $dh->close; - return 0; - } - $dh->close; - return 1; - }; - - my $journalhash = get_ceph_journals(); - - my $zfslist = get_zfs_devices(); - - my $lvmlist = get_lvm_devices(); - - dir_glob_foreach('/sys/block', '.*', sub { - my ($dev) = @_; - return if defined($disk) && $disk ne $dev; - # whitelisting following devices - # hdX: ide block device - # sdX: sd block device - # vdX: virtual block device - # xvdX: xen virtual block device - # nvmeXnY: nvme devices - # cXnY: cciss devices - return if $dev !~ m/^(h|s|x?v)d[a-z]+$/ && - $dev !~ m/^nvme\d+n\d+$/ && - $dev !~ m/^c\d+d\d+$/; - - my $data = get_udev_info($dev); - return if !defined($data); - my $devpath = $data->{devpath}; - - my $sysdir = "/sys/block/$dev"; - - return if ! -d "$sysdir/device"; - - # we do not want iscsi devices - return if readlink($sysdir) =~ m|host[^/]*/session[^/]*|; - - my $sysdata = get_sysdir_info($sysdir); - return if !defined($sysdata); - - my $type = 'unknown'; - - if ($sysdata->{rotational} == 0) { - $type = 'ssd'; - $data->{rpm} = 0; - } elsif ($sysdata->{rotational} == 1) { - if ($data->{rpm} != -1) { - $type = 'hdd'; - } elsif ($data->{usb}) { - $type = 'usb'; - $data->{rpm} = 0; - } - } - - my $health; - my $wearout; - if ($type eq 'ssd' && !defined($disk)) { - # if we have an ssd we try to get the wearout indicator - my $smartdata = get_smart_data($devpath); - $health = $smartdata->{health}; - foreach my $attr (@{$smartdata->{attributes}}) { - # ID 233 is media wearout indicator on intel and sandisk - # ID 177 is media wearout indicator on samsung - next if ($attr->{id} != 233 && $attr->{id} != 177); - next if ($attr->{name} !~ m/wear/i); - $wearout = $attr->{value}; - - # prefer the 233 value - last if ($attr->{id} == 233); - } - - $wearout = 'N/A' if !defined($wearout); - } elsif (!defined($disk)) { - # we do not need smart data if we check a single disk - # because this functionality is only for disk_is_used - $health = get_smart_health($devpath) if !defined($disk); - } - - my $used; - - $used = 'LVM' if $lvmlist->{$devpath}; - - $used = 'mounted' if &$dev_is_mounted($devpath); - - $used = 'ZFS' if $zfslist->{$devpath}; - - $disklist->{$dev} = { - vendor => $sysdata->{vendor}, - model => $sysdata->{model}, - size => $sysdata->{size}, - serial => $data->{serial}, - gpt => $data->{gpt}, - rpm => $data->{rpm}, - type => $type, - wwn => $data->{wwn}, - health => $health, - devpath => $devpath, - wearout => $wearout, - }; - - my $osdid = -1; - - my $journal_count = 0; - - my $found_partitions; - my $found_lvm; - my $found_mountpoints; - my $found_zfs; - my $found_dm; - my $partpath = $devpath; - - # remove part after last / to - # get the base path for the partitions - # e.g. from /dev/cciss/c0d0 get /dev/cciss - $partpath =~ s/\/[^\/]+$//; - - dir_glob_foreach("$sysdir", "$dev.+", sub { - my ($part) = @_; - - $found_partitions = 1; - - if (my $mp = &$dev_is_mounted("$partpath/$part")) { - $found_mountpoints = 1; - if ($mp =~ m|^/var/lib/ceph/osd/ceph-(\d+)$|) { - $osdid = $1; - } - } - - if ($lvmlist->{"$partpath/$part"}) { - $found_lvm = 1; - } - - if ($zfslist->{"$partpath/$part"}) { - $found_zfs = 1; - } - - $journal_count++ if $journalhash->{"$partpath/$part"}; - - if (!&$dir_is_empty("$sysdir/$part/holders") && !$found_lvm) { - $found_dm = 1; - } - }); - - $used = 'mounted' if $found_mountpoints && !$used; - $used = 'LVM' if $found_lvm && !$used; - $used = 'ZFS' if $found_zfs && !$used; - $used = 'Device Mapper' if $found_dm && !$used; - $used = 'partitions' if $found_partitions && !$used; - - # multipath, software raid, etc. - # this check comes in last, to show more specific info - # if we have it - $used = 'Device Mapper' if !$used && !&$dir_is_empty("$sysdir/holders"); - - $disklist->{$dev}->{used} = $used if $used; - $disklist->{$dev}->{osdid} = $osdid; - $disklist->{$dev}->{journals} = $journal_count; - }); - - return $disklist; - -} - -1;