+++ /dev/null
-package PVE::Diskmanage;
-
-use strict;
-use warnings;
-use PVE::ProcFSTools;
-use Data::Dumper;
-use Cwd qw(abs_path);
-use Fcntl ':mode';
-
-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 $LVS = "/sbin/lvs";
-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, 1);
-
- 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, $healthonly) = @_;
-
- assert_blockdev($disk);
- my $smartdata = {};
- my $type;
-
- my $returncode = 0;
-
- if ($disk =~ m!^/dev/(nvme\d+n\d+)$!) {
- my $info = get_sysdir_info("/sys/block/$1");
- $disk = "/dev/".($info->{device}
- or die "failed to get nvme controller device for $disk\n");
- }
-
- my $cmd = [$SMARTCTL, '-H'];
- push @$cmd, '-A', '-f', 'brief' if !$healthonly;
- push @$cmd, $disk;
-
- eval {
- $returncode = run_command($cmd, noerr => 1, outfunc => sub{
- my ($line) = @_;
-
-# ATA SMART attributes, e.g.:
-# ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE
-# 1 Raw_Read_Error_Rate POSR-K 100 100 000 - 0
-#
-# SAS and NVME disks, e.g.:
-# Data Units Written: 5,584,952 [2.85 TB]
-# Accumulated start-stop cycles: 34
-
- if (defined($type) && $type eq 'ata' && $line =~ m/^([ \d]{2}\d)\s+(\S+)\s+(\S{6})\s+(\d+)\s+(\d+)\s+(\S+)\s+(\S+)\s+(.*)$/) {
- my $entry = {};
-
-
- $entry->{name} = $2 if defined $2;
- $entry->{flags} = $3 if defined $3;
- # the +0 makes a number out of the strings
- $entry->{value} = $4+0 if defined $4;
- $entry->{worst} = $5+0 if defined $5;
- # some disks report the default threshold as --- instead of 000
- if (defined($6) && $6 eq '---') {
- $entry->{threshold} = 0;
- } else {
- $entry->{threshold} = $6+0 if defined $6;
- }
- $entry->{fail} = $7 if defined $7;
- $entry->{raw} = $8 if defined $8;
- $entry->{id} = $1 if defined $1;
- push @{$smartdata->{attributes}}, $entry;
- } elsif ($line =~ m/(?:Health Status|self\-assessment test result): (.*)$/ ) {
- $smartdata->{health} = $1;
- } elsif ($line =~ m/Vendor Specific SMART Attributes with Thresholds:/) {
- $type = 'ata';
- delete $smartdata->{text};
- } elsif ($line =~ m/=== START OF (READ )?SMART DATA SECTION ===/) {
- $type = 'text';
- } elsif (defined($type) && $type eq 'text') {
- $smartdata->{text} = '' if !defined $smartdata->{text};
- $smartdata->{text} .= "$line\n";
- } elsif ($line =~ m/SMART Disabled/) {
- $smartdata->{health} = "SMART Disabled";
- }
- });
- };
- 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->{type} = $type;
-
- return $smartdata;
-}
-
-sub get_zfs_devices {
- my $list = {};
-
- return {} if ! -x $ZPOOL;
-
- # use zpool and parttype uuid,
- # because log and cache do not have
- # zfs type uuid
- eval {
- run_command([$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';
- my $db_uuid = '30cd0809-c2b2-499c-8879-2d6b78529876';
- my $wal_uuid = '5ce17fce-4087-4169-b7ff-056cc58473f9';
- my $block_uuid = 'cafecafe-9b03-4f30-b4c6-b4b80ceff106';
-
- dir_glob_foreach('/dev/disk/by-parttypeuuid', "($journal_uuid|$db_uuid|$wal_uuid|$block_uuid)\..+", sub {
- my ($entry, $type) = @_;
- my $real_dev = abs_path("/dev/disk/by-parttypeuuid/$entry");
- if ($type eq $journal_uuid) {
- $journalhash->{$real_dev} = 1;
- } elsif ($type eq $db_uuid) {
- $journalhash->{$real_dev} = 2;
- } elsif ($type eq $wal_uuid) {
- $journalhash->{$real_dev} = 3;
- } elsif ($type eq $block_uuid) {
- $journalhash->{$real_dev} = 4;
- }
- });
-
- return $journalhash;
-}
-
-# reads the lv_tags and matches them with the devices
-sub get_ceph_volume_infos {
- my $result = {};
-
- my $cmd = [$LVS, '-S', 'lv_name=~^osd-','-o','devices,lv_name,lv_tags',
- '--noheadings', '--readonly', '--separator', ';'];
-
- run_command($cmd, outfunc => sub {
- my $line = shift;
- $line =~ s/(?:^\s+)|(?:\s+$)//g; # trim
- my $fields = [split(';', $line)];
-
- # lvs syntax is /dev/sdX(Y) where Y is the start (which we do not need)
- my ($dev) = $fields->[0] =~ m|^(/dev/[a-z]+)|;
- if ($fields->[1] =~ m|^osd-([^-]+)-|) {
- my $type = $1;
- # we use autovivification here to not concern us with
- # creation of empty hashes
- if (($type eq 'block' || $type eq 'data') &&
- $fields->[2] =~ m/ceph.osd_id=([^,])/)
- {
- $result->{$dev}->{osdid} = $1;
- $result->{$dev}->{bluestore} = ($type eq 'block');
- } else {
- # if $foo is undef $foo++ results in '1' (and is well defined)
- $result->{$dev}->{$type}++;
- }
- }
- });
-
- return $result;
-}
-
-sub get_udev_info {
- my ($dev) = @_;
-
- my $info = "";
- my $data = {};
- eval {
- run_command([$UDEVADM, 'info', '-p', $dev, '--query', 'all'], outfunc => sub {
- my ($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) {
- $data->{usb} = 1;
- }
-
- if ($info =~ m/^E: ID_MODEL=(.+)$/m) {
- $data->{model} = $1;
- }
-
- $data->{wwn} = 'unknown';
- if ($info =~ m/^E: ID_WWN=(.*)$/m) {
- $data->{wwn} = $1;
- }
-
- return $data;
-}
-
-sub get_sysdir_info {
- my ($sysdir) = @_;
-
- return undef if ! -d "$sysdir/device";
-
- 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") // -1;
-
- $data->{vendor} = file_read_firstline("$sysdir/device/vendor") || 'unknown';
- $data->{model} = file_read_firstline("$sysdir/device/model") || 'unknown';
-
- if (defined(my $device = readlink("$sysdir/device"))) {
- # strip directory and untaint:
- ($data->{device}) = $device =~ m!([^/]+)$!;
- }
-
- return $data;
-}
-
-sub get_wear_leveling_info {
- my ($attributes, $model) = @_;
-
- my $wearout;
-
- my $vendormap = {
- 'kingston' => 231,
- 'samsung' => 177,
- 'intel' => 233,
- 'sandisk' => 233,
- 'crucial' => 202,
- 'default' => 233,
- };
-
- # find target attr id
-
- my $attrid;
-
- foreach my $vendor (keys %$vendormap) {
- if ($model =~ m/$vendor/i) {
- $attrid = $vendormap->{$vendor};
- # found the attribute
- last;
- }
- }
-
- if (!$attrid) {
- $attrid = $vendormap->{default};
- }
-
- foreach my $attr (@$attributes) {
- next if $attr->{id} != $attrid;
- $wearout = $attr->{value};
- last;
- }
-
- return $wearout;
-}
-
-sub dir_is_empty {
- my ($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;
- }
- $dh->close;
- return 1;
-}
-
-sub is_iscsi {
- my ($sysdir) = @_;
-
- if (-l $sysdir && readlink($sysdir) =~ m|host[^/]*/session[^/]*|) {
- return 1;
- }
-
- return 0;
-}
-
-sub get_disks {
- my ($disk, $nosmart) = @_;
- 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 $journalhash = get_ceph_journals();
- my $ceph_volume_infos = get_ceph_volume_infos();
-
- my $zfslist = get_zfs_devices();
-
- my $lvmlist = get_lvm_devices();
-
- # we get cciss/c0d0 but need cciss!c0d0
- if (defined($disk) && $disk =~ m|^cciss/|) {
- $disk =~ s|cciss/|cciss!|;
- }
-
- dir_glob_foreach('/sys/block', '.*', sub {
- my ($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
- # cciss!cXnY: cciss devices
- return if $dev !~ m/^(h|s|x?v)d[a-z]+$/ &&
- $dev !~ m/^nvme\d+n\d+$/ &&
- $dev !~ m/^cciss\!c\d+d\d+$/;
-
- my $data = get_udev_info("/sys/block/$dev");
- return if !defined($data);
- my $devpath = $data->{devpath};
-
- my $sysdir = "/sys/block/$dev";
-
- # we do not want iscsi devices
- return if is_iscsi($sysdir);
-
- 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 = 'UNKNOWN';
- my $wearout = 'N/A';
-
- if (!$nosmart) {
- eval {
- my $smartdata = get_smart_data($devpath, ($type ne 'ssd'));
- $health = $smartdata->{health} if $smartdata->{health};
-
- if ($type eq 'ssd') {
- # if we have an ssd we try to get the wearout indicator
- my $wearval = get_wear_leveling_info($smartdata->{attributes}, $data->{model} || $sysdir->{model});
- $wearout = $wearval if $wearval;
- }
- };
- }
-
- my $used;
-
- $used = 'LVM' if $lvmlist->{$devpath};
-
- $used = 'mounted' if &$dev_is_mounted($devpath);
-
- $used = 'ZFS' if $zfslist->{$devpath};
-
- # we replaced cciss/ with cciss! above
- # but in the result we need cciss/ again
- # because the caller might want to check the
- # result again with the original parameter
- if ($dev =~ m|^cciss!|) {
- $dev =~ s|^cciss!|cciss/|;
- }
-
- $disklist->{$dev} = {
- vendor => $sysdata->{vendor},
- model => $data->{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 $bluestore = 0;
-
- my $journal_count = 0;
- my $db_count = 0;
- my $wal_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"}) {
- $found_zfs = 1;
- }
-
- if ($journalhash->{"$partpath/$part"}) {
- $journal_count++ if $journalhash->{"$partpath/$part"} == 1;
- $db_count++ if $journalhash->{"$partpath/$part"} == 2;
- $wal_count++ if $journalhash->{"$partpath/$part"} == 3;
- $bluestore = 1 if $journalhash->{"$partpath/$part"} == 4;
- }
-
- if (!dir_is_empty("$sysdir/$part/holders") && !$found_lvm) {
- $found_dm = 1;
- }
- });
-
- if ($ceph_volume_infos->{$devpath}) {
- $journal_count += $ceph_volume_infos->{$devpath}->{journal} // 0;
- $db_count += $ceph_volume_infos->{$devpath}->{db} // 0;
- $wal_count += $ceph_volume_infos->{$devpath}->{wal} // 0;
- if ($ceph_volume_infos->{$devpath}->{osdid}) {
- $osdid = $ceph_volume_infos->{$devpath}->{osdid};
- $bluestore = 1 if $ceph_volume_infos->{$devpath}->{bluestore};
- }
- }
-
- $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 if $journal_count;
- $disklist->{$dev}->{bluestore} = $bluestore if $osdid != -1;
- $disklist->{$dev}->{db} = $db_count if $db_count;
- $disklist->{$dev}->{wal} = $wal_count if $wal_count;
- });
-
- return $disklist;
-
-}
-
-sub get_partnum {
- my ($part_path) = @_;
-
- my ($mode, $rdev) = (stat($part_path))[2,6];
-
- next if !$mode || !S_ISBLK($mode) || !$rdev;
- my $major = PVE::Tools::dev_t_major($rdev);
- my $minor = PVE::Tools::dev_t_minor($rdev);
- my $partnum_path = "/sys/dev/block/$major:$minor/";
-
- my $partnum;
-
- $partnum = file_read_firstline("${partnum_path}partition");
-
- die "Partition does not exists\n" if !defined($partnum);
-
- #untaint and ensure it is a int
- if ($partnum =~ m/(\d+)/) {
- $partnum = $1;
- die "Partition number $partnum is invalid\n" if $partnum > 128;
- } else {
- die "Failed to get partition number\n";
- }
-
- return $partnum;
-}
-
-sub get_blockdev {
- my ($part_path) = @_;
-
- my $dev = $1 if $part_path =~ m|^/dev/(.*)$|;
- my $link = readlink "/sys/class/block/$dev";
- my $block_dev = $1 if $link =~ m|([^/]*)/$dev$|;
-
- die "Can't parse parent device\n" if !defined($block_dev);
- die "No valid block device\n" if index($dev, $block_dev) == -1;
-
- $block_dev = "/dev/$block_dev";
- die "Block device does not exsists\n" if !(-b $block_dev);
-
- return $block_dev;
-}
-
-sub locked_disk_action {
- my ($sub) = @_;
- my $res = PVE::Tools::lock_file('/run/lock/pve-diskmanage.lck', undef, $sub);
- die $@ if $@;
- return $res;
-}
-
-sub assert_disk_unused {
- my ($dev) = @_;
-
- die "device '$dev' is already in use\n" if disk_is_used($dev);
-
- return undef;
-}
-
-1;
projects / pve-storage.git / blobdiff