X-Git-Url: https://git.proxmox.com/?p=pve-storage.git;a=blobdiff_plain;f=PVE%2FStorage%2FLunCmd%2FIet.pm;h=5b09b88e38d60905f8cb2ff4a665c13ca7ba48ce;hp=654ddcf731f781c079674d7a40a353ed1a2a61ff;hb=HEAD;hpb=78a64432ff755c80f7f42258b2ba4377fdd9e15e diff --git a/PVE/Storage/LunCmd/Iet.pm b/PVE/Storage/LunCmd/Iet.pm deleted file mode 100644 index 654ddcf..0000000 --- a/PVE/Storage/LunCmd/Iet.pm +++ /dev/null @@ -1,477 +0,0 @@ -package PVE::Storage::LunCmd::Iet; - -# iscsi storage running Debian -# 1) apt-get install iscsitarget iscsitarget-dkms -# 2) Create target like (/etc/iet/ietd.conf): -# Target iqn.2001-04.com.example:tank -# Alias tank -# 3) Activate daemon (/etc/default/iscsitarget) -# ISCSITARGET_ENABLE=true -# 4) service iscsitarget start -# -# On one of the proxmox nodes: -# 1) Login as root -# 2) ssh-copy-id - -use strict; -use warnings; -use PVE::Tools qw(run_command file_read_firstline trim dir_glob_regex dir_glob_foreach); -use Data::Dumper; - -sub get_base; - -# A logical unit can max have 16864 LUNs -# http://manpages.ubuntu.com/manpages/precise/man5/ietd.conf.5.html -my $MAX_LUNS = 16864; - -my $CONFIG_FILE = '/etc/iet/ietd.conf'; -my $DAEMON = '/usr/sbin/ietadm'; -my $SETTINGS = undef; -my $CONFIG = undef; -my $OLD_CONFIG = undef; - -my @ssh_opts = ('-o', 'BatchMode=yes'); -my @ssh_cmd = ('/usr/bin/ssh', @ssh_opts); -my @scp_cmd = ('/usr/bin/scp', @ssh_opts); -my $ietadm = '/usr/sbin/ietadm'; - -my $execute_command = sub { - my ($scfg, $exec, $timeout, $method, @params) = @_; - - my $msg = ''; - my $err = undef; - my $target; - my $cmd; - my $res = (); - - $timeout = 10 if !$timeout; - - my $output = sub { - my $line = shift; - $msg .= "$line\n"; - }; - - my $errfunc = sub { - my $line = shift; - $err .= "$line"; - }; - - $target = 'root@' . $scfg->{portal}; - - if ($exec eq 'scp') { - $cmd = [@scp_cmd, $method, "$target:$params[0]"]; - } else { - $cmd = [@ssh_cmd, $target, $method, @params]; - } - - print Dumper($cmd); - eval { - run_command($cmd, outfunc => $output, errfunc => $errfunc, timeout => $timeout); - }; - if ($@) { - $res = { - result => 0, - msg => $err, - } - } else { - $res = { - result => 1, - msg => $msg, - } - } - - return $res; -}; - -my $read_config = sub { - my ($scfg, $timeout) = @_; - - my $msg = ''; - my $err = undef; - my $luncmd = 'cat'; - my $target; - $timeout = 10 if !$timeout; - - my $output = sub { - my $line = shift; - $msg .= "$line\n"; - }; - - my $errfunc = sub { - my $line = shift; - $err .= "$line"; - }; - - $target = 'root@' . $scfg->{portal}; - - my $cmd = [@ssh_cmd, $target, $luncmd, $CONFIG_FILE]; - eval { - run_command($cmd, outfunc => $output, errfunc => $errfunc, timeout => $timeout); - }; - if ($@) { - die $err if ($err !~ /No such file or directory/); - die "No configuration found. Install iet on $scfg->{portal}" if $msg eq ''; - } - - return $msg; -}; - -my $get_config = sub { - my ($scfg) = @_; - my @conf = undef; - - my $config = $read_config->($scfg, undef); - die "Missing config file" unless $config; - - $OLD_CONFIG = $config; - - return $config; -}; - -my $parser = sub { - my ($scfg) = @_; - - my $line = 0; - - my $base = get_base; - my $config = $get_config->($scfg); - my @cfgfile = split "\n", $config; - - my $cfg_target = 0; - foreach (@cfgfile) { - $line++; - if ($_ =~ /^\s*Target\s*([\w\-\:\.]+)\s*$/) { - if ($1 eq $scfg->{target} && ! $cfg_target) { - # start colect info - die "$line: Parse error [$_]" if $SETTINGS; - $SETTINGS->{target} = $1; - $cfg_target = 1; - } elsif ($1 eq $scfg->{target} && $cfg_target) { - die "$line: Parse error [$_]"; - } elsif ($cfg_target) { - $cfg_target = 0; - $CONFIG .= "$_\n"; - } else { - $CONFIG .= "$_\n"; - } - } else { - if ($cfg_target) { - $SETTINGS->{text} .= "$_\n"; - next if ($_ =~ /^\s*#/ || ! $_); - my $option = $_; - if ($_ =~ /^(\w+)\s*#/) { - $option = $1; - } - if ($option =~ /^\s*(\w+)\s+(\w+)\s*$/) { - if ($1 eq 'Lun') { - die "$line: Parse error [$_]"; - } - $SETTINGS->{$1} = $2; - } elsif ($option =~ /^\s*(\w+)\s+(\d+)\s+([\w\-\/=,]+)\s*$/) { - die "$line: Parse error [$option]" unless ($1 eq 'Lun'); - my $conf = undef; - my $num = $2; - my @lun = split ',', $3; - die "$line: Parse error [$option]" unless (scalar(@lun) > 1); - foreach (@lun) { - my @lun_opt = split '=', $_; - die "$line: Parse error [$option]" unless (scalar(@lun_opt) == 2); - $conf->{$lun_opt[0]} = $lun_opt[1]; - } - if ($conf->{Path} && $conf->{Path} =~ /^$base\/$scfg->{pool}\/([\w\-]+)$/) { - $conf->{include} = 1; - } else { - $conf->{include} = 0; - } - $conf->{lun} = $num; - push @{$SETTINGS->{luns}}, $conf; - } else { - die "$line: Parse error [$option]"; - } - } else { - $CONFIG .= "$_\n"; - } - } - } - $CONFIG =~ s/^\s+|\s+$|"\s*//g; -}; - -my $update_config = sub { - my ($scfg) = @_; - my $file = "/tmp/config$$"; - my $config = ''; - - while ((my $option, my $value) = each(%$SETTINGS)) { - next if ($option eq 'include' || $option eq 'luns' || $option eq 'Path' || $option eq 'text' || $option eq 'used'); - if ($option eq 'target') { - $config = "\n\nTarget " . $SETTINGS->{target} . "\n" . $config; - } else { - $config .= "\t$option\t\t\t$value\n"; - } - } - foreach my $lun (@{$SETTINGS->{luns}}) { - my $lun_opt = ''; - while ((my $option, my $value) = each(%$lun)) { - next if ($option eq 'include' || $option eq 'lun' || $option eq 'Path'); - if ($lun_opt eq '') { - $lun_opt .= $option . '=' . $value; - } else { - $lun_opt .= ',' . $option . '=' . $value; - } - } - $config .= "\tLun $lun->{lun} Path=$lun->{Path},$lun_opt\n"; - } - open(my $fh, '>', $file) or die "Could not open file '$file' $!"; - - print $fh $CONFIG; - print $fh $config; - close $fh; - - my @params = ($CONFIG_FILE); - my $res = $execute_command->($scfg, 'scp', undef, $file, @params); - unlink $file; - - die $res->{msg} unless $res->{result}; -}; - -my $get_target_tid = sub { - my ($scfg) = @_; - my $proc = '/proc/net/iet/volume'; - my $tid = undef; - - my @params = ($proc); - my $res = $execute_command->($scfg, 'ssh', undef, 'cat', @params); - die $res->{msg} unless $res->{result}; - my @cfg = split "\n", $res->{msg}; - - foreach (@cfg) { - if ($_ =~ /^\s*tid:(\d+)\s+name:([\w\-\:\.]+)\s*$/) { - if ($2 && $2 eq $scfg->{target}) { - $tid = $1; - last; - } - } - } - - return $tid; -}; - -my $get_lu_name = sub { - my $used = (); - my $i; - - if (! exists $SETTINGS->{used}) { - for ($i = 0; $i < $MAX_LUNS; $i++) { - $used->{$i} = 0; - } - foreach my $lun (@{$SETTINGS->{luns}}) { - $used->{$lun->{lun}} = 1; - } - $SETTINGS->{used} = $used; - } - - $used = $SETTINGS->{used}; - for ($i = 0; $i < $MAX_LUNS; $i++) { - last unless $used->{$i}; - } - $SETTINGS->{used}->{$i} = 1; - - return $i; -}; - -my $init_lu_name = sub { - my $used = (); - - if (! exists($SETTINGS->{used})) { - for (my $i = 0; $i < $MAX_LUNS; $i++) { - $used->{$i} = 0; - } - $SETTINGS->{used} = $used; - } - foreach my $lun (@{$SETTINGS->{luns}}) { - $SETTINGS->{used}->{$lun->{lun}} = 1; - } -}; - -my $free_lu_name = sub { - my ($lu_name) = @_; - my $new; - - foreach my $lun (@{$SETTINGS->{luns}}) { - if ($lun->{lun} != $lu_name) { - push @$new, $lun; - } - } - - $SETTINGS->{luns} = $new; - $SETTINGS->{used}->{$lu_name} = 0; -}; - -my $make_lun = sub { - my ($scfg, $path) = @_; - - die 'Maximum number of LUNs per target is 16384' if scalar @{$SETTINGS->{luns}} >= $MAX_LUNS; - - my $lun = $get_lu_name->(); - my $conf = { - lun => $lun, - Path => $path, - Type => 'blockio', - include => 1, - }; - push @{$SETTINGS->{luns}}, $conf; - - return $conf; -}; - -my $list_view = sub { - my ($scfg, $timeout, $method, @params) = @_; - my $lun = undef; - - my $object = $params[0]; - foreach my $lun (@{$SETTINGS->{luns}}) { - next unless $lun->{include} == 1; - if ($lun->{Path} =~ /^$object$/) { - return $lun->{lun} if (defined($lun->{lun})); - die "$lun->{Path}: Missing LUN"; - } - } - - return $lun; -}; - -my $list_lun = sub { - my ($scfg, $timeout, $method, @params) = @_; - my $name = undef; - - my $object = $params[0]; - foreach my $lun (@{$SETTINGS->{luns}}) { - next unless $lun->{include} == 1; - if ($lun->{Path} =~ /^$object$/) { - return $lun->{Path}; - } - } - - return $name; -}; - -my $create_lun = sub { - my ($scfg, $timeout, $method, @params) = @_; - - if ($list_lun->($scfg, $timeout, $method, @params)) { - die "$params[0]: LUN exists"; - } - my $lun = $params[0]; - $lun = $make_lun->($scfg, $lun); - my $tid = $get_target_tid->($scfg); - $update_config->($scfg); - - my $path = "Path=$lun->{Path},Type=$lun->{Type}"; - - @params = ('--op', 'new', "--tid=$tid", "--lun=$lun->{lun}", '--params', $path); - my $res = $execute_command->($scfg, 'ssh', $timeout, $ietadm, @params); - do { - $free_lu_name->($lun->{lun}); - $update_config->($scfg); - die $res->{msg}; - } unless $res->{result}; - - return $res->{msg}; -}; - -my $delete_lun = sub { - my ($scfg, $timeout, $method, @params) = @_; - my $res = {msg => undef}; - - my $path = $params[0]; - my $tid = $get_target_tid->($scfg); - - foreach my $lun (@{$SETTINGS->{luns}}) { - if ($lun->{Path} eq $path) { - @params = ('--op', 'delete', "--tid=$tid", "--lun=$lun->{lun}"); - $res = $execute_command->($scfg, 'ssh', $timeout, $ietadm, @params); - if ($res->{result}) { - $free_lu_name->($lun->{lun}); - $update_config->($scfg); - last; - } else { - die $res->{msg}; - } - } - } - - return $res->{msg}; -}; - -my $import_lun = sub { - my ($scfg, $timeout, $method, @params) = @_; - - return $create_lun->($scfg, $timeout, $method, @params); -}; - -my $modify_lun = sub { - my ($scfg, $timeout, $method, @params) = @_; - my $lun; - my $res; - - my $path = $params[1]; - my $tid = $get_target_tid->($scfg); - - foreach my $cfg (@{$SETTINGS->{luns}}) { - if ($cfg->{Path} eq $path) { - $lun = $cfg; - last; - } - } - - @params = ('--op', 'delete', "--tid=$tid", "--lun=$lun->{lun}"); - $res = $execute_command->($scfg, 'ssh', $timeout, $ietadm, @params); - die $res->{msg} unless $res->{result}; - - $path = "Path=$lun->{Path},Type=$lun->{Type}"; - @params = ('--op', 'new', "--tid=$tid", "--lun=$lun->{lun}", '--params', $path); - $res = $execute_command->($scfg, 'ssh', $timeout, $ietadm, @params); - die $res->{msg} unless $res->{result}; - - return $res->{msg}; -}; - -my $add_view = sub { - my ($scfg, $timeout, $method, @params) = @_; - - return ''; -}; - -my $get_lun_cmd_map = sub { - my ($method) = @_; - - my $cmdmap = { - create_lu => { cmd => $create_lun }, - delete_lu => { cmd => $delete_lun }, - import_lu => { cmd => $import_lun }, - modify_lu => { cmd => $modify_lun }, - add_view => { cmd => $add_view }, - list_view => { cmd => $list_view }, - list_lu => { cmd => $list_lun }, - }; - - die "unknown command '$method'" unless exists $cmdmap->{$method}; - - return $cmdmap->{$method}; -}; - -sub run_lun_command { - my ($scfg, $timeout, $method, @params) = @_; - - $parser->($scfg) unless $SETTINGS; - my $cmdmap = $get_lun_cmd_map->($method); - my $msg = $cmdmap->{cmd}->($scfg, $timeout, $method, @params); - - return $msg; -} - -sub get_base { - return '/dev'; -} - -1;