X-Git-Url: https://git.proxmox.com/?p=pve-storage.git;a=blobdiff_plain;f=PVE%2FStorage%2FLunCmd%2FIstgt.pm;h=2f758f908aafa7fa4e19b5a82b7244d77d949fb6;hp=c17d1c89e8865a57afd40a467e03de5a5676da01;hb=HEAD;hpb=551534a3bc8bceae1f16417bead49b1c2aaaf91a

diff --git a/PVE/Storage/LunCmd/Istgt.pm b/PVE/Storage/LunCmd/Istgt.pm
deleted file mode 100644
index c17d1c8..0000000
--- a/PVE/Storage/LunCmd/Istgt.pm
+++ /dev/null
@@ -1,600 +0,0 @@
-package PVE::Storage::LunCmd::Istgt;
-
-# TODO
-# Create initial target and LUN if target is missing ?
-# Create and use list of free LUNs
-
-use strict;
-use warnings;
-use PVE::Tools qw(run_command file_read_firstline trim dir_glob_regex dir_glob_foreach);
-use Data::Dumper;
-
-my @CONFIG_FILES = (
-    '/usr/local/etc/istgt/istgt.conf',  # FreeBSD, FreeNAS
-    '/var/etc/iscsi/istgt.conf'         # NAS4Free
-);
-my @DAEMONS = (
-    '/usr/local/etc/rc.d/istgt',        # FreeBSD, FreeNAS
-    '/var/etc/rc.d/istgt'               # NAS4Free
-);
-
-# A logical unit can max have 63 LUNs
-# https://code.google.com/p/istgt/source/browse/src/istgt_lu.h#39
-my $MAX_LUNS = 64;
-
-my $CONFIG_FILE = undef;
-my $DAEMON = undef;
-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 $id_rsa_path = '/etc/pve/priv/zfs';
-
-#Current SIGHUP reload limitations (http://www.peach.ne.jp/archives/istgt/):
-#
-#    The parameters other than PG, IG, and LU are not reloaded by SIGHUP.
-#    LU connected by the initiator can't be reloaded by SIGHUP.
-#    PG and IG mapped to LU can't be deleted by SIGHUP.
-#    If you delete an active LU, all connections of the LU are closed by SIGHUP.
-#    Updating IG is not affected until the next login.
-#
-# FreeBSD
-# 1. Alt-F2 to change to native shell (zfsguru)
-# 2. pw mod user root -w yes (change password for root to root)
-# 3. vi /etc/ssh/sshd_config
-# 4. uncomment PermitRootLogin yes
-# 5. change PasswordAuthentication no to PasswordAuthentication yes
-# 5. /etc/rc.d/sshd restart
-# 6. On one of the proxmox nodes login as root and run: ssh-copy-id ip_freebsd_host
-# 7. vi /etc/ssh/sshd_config
-# 8. comment PermitRootLogin yes
-# 9. change PasswordAuthentication yes to PasswordAuthentication no
-# 10. /etc/rc.d/sshd restart
-# 11. Reset passwd -> pw mod user root -w no
-# 12. Alt-Ctrl-F1 to return to zfsguru shell (zfsguru)
-
-sub get_base;
-sub run_lun_command;
-
-my $read_config = sub {
-    my ($scfg, $timeout, $method) = @_;
-
-    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 $daemon = 0;
-    foreach my $config (@CONFIG_FILES) {
-        $err = undef;
-        my $cmd = [@ssh_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $target, $luncmd, $config];
-        eval {
-            run_command($cmd, outfunc => $output, errfunc => $errfunc, timeout => $timeout);
-        };
-        do {
-            $err = undef;
-            $DAEMON = $DAEMONS[$daemon];
-            $CONFIG_FILE = $config;
-            last;
-        } unless $@;
-        $daemon++;
-    }
-    die $err if ($err && $err !~ /No such file or directory/);
-    die "No configuration found. Install istgt on $scfg->{portal}" if $msg eq '';
-
-    return $msg;
-};
-
-my $get_config = sub {
-    my ($scfg) = @_;
-    my @conf = undef;
-
-    my $config = $read_config->($scfg, undef, 'get_config');
-    die "Missing config file" unless $config;
-
-    $OLD_CONFIG = $config;
-
-    return $config;
-};
-
-my $parse_size = sub {
-    my ($text) = @_;
-
-    return 0 if !$text;
-
-    if ($text =~ m/^(\d+(\.\d+)?)([TGMK]B)?$/) {
-    my ($size, $reminder, $unit) = ($1, $2, $3);
-    return $size if !$unit;
-    if ($unit eq 'KB') {
-        $size *= 1024;
-    } elsif ($unit eq 'MB') {
-        $size *= 1024*1024;
-    } elsif ($unit eq 'GB') {
-        $size *= 1024*1024*1024;
-    } elsif ($unit eq 'TB') {
-        $size *= 1024*1024*1024*1024;
-    }
-        if ($reminder) {
-            $size = ceil($size);
-        }
-        return $size;
-    } elsif ($text =~ /^auto$/i) {
-        return 'AUTO';
-    } else {
-        return 0;
-    }
-};
-
-my $size_with_unit = sub {
-    my ($size, $n) = (shift, 0);
-
-    return '0KB' if !$size;
-
-    return $size if $size eq 'AUTO';
-
-    if ($size =~ m/^\d+$/) {
-        ++$n and $size /= 1024 until $size < 1024;
-        if ($size =~ /\./) {
-            return sprintf "%.2f%s", $size, ( qw[bytes KB MB GB TB] )[ $n ];
-        } else {
-            return sprintf "%d%s", $size, ( qw[bytes KB MB GB TB] )[ $n ];
-        }
-    }
-    die "$size: Not a number";
-};
-
-my $lun_dumper = sub {
-    my ($lun) = @_;
-    my $config = '';
-
-    $config .= "\n[$lun]\n";
-    $config .=  'TargetName ' . $SETTINGS->{$lun}->{TargetName} . "\n";
-    $config .=  'Mapping ' . $SETTINGS->{$lun}->{Mapping} . "\n";
-    $config .=  'AuthGroup ' . $SETTINGS->{$lun}->{AuthGroup} . "\n";
-    $config .=  'UnitType ' . $SETTINGS->{$lun}->{UnitType} . "\n";
-    $config .=  'QueueDepth ' . $SETTINGS->{$lun}->{QueueDepth} . "\n";
-
-    foreach my $conf (@{$SETTINGS->{$lun}->{luns}}) {
-        $config .=  "$conf->{lun} Storage " . $conf->{Storage};
-        $config .= ' ' . $size_with_unit->($conf->{Size}) . "\n";
-        foreach ($conf->{options}) {
-            if ($_) {
-                $config .=  "$conf->{lun} Option " . $_ . "\n";
-            }
-        }
-    }
-    $config .= "\n";
-
-    return $config;
-};
-
-my $get_lu_name = sub {
-    my ($target) = @_;
-    my $used = ();
-    my $i;
-
-    if (! exists $SETTINGS->{$target}->{used}) {
-        for ($i = 0; $i < $MAX_LUNS; $i++) {
-            $used->{$i} = 0;
-        }
-        foreach my $lun (@{$SETTINGS->{$target}->{luns}}) {
-            $lun->{lun} =~ /^LUN(\d+)$/;
-            $used->{$1} = 1;
-        }
-        $SETTINGS->{$target}->{used} = $used;
-    }
-
-    $used = $SETTINGS->{$target}->{used};
-    for ($i = 0; $i < $MAX_LUNS; $i++) {
-        last unless $used->{$i};
-    }
-    $SETTINGS->{$target}->{used}->{$i} = 1;
-
-    return "LUN$i";
-};
-
-my $init_lu_name = sub {
-    my ($target) = @_;
-    my $used = ();
-
-    if (! exists($SETTINGS->{$target}->{used})) {
-        for (my $i = 0; $i < $MAX_LUNS; $i++) {
-            $used->{$i} = 0;
-        }
-        $SETTINGS->{$target}->{used} = $used;
-    }
-    foreach my $lun (@{$SETTINGS->{$target}->{luns}}) {
-        $lun->{lun} =~ /^LUN(\d+)$/;
-        $SETTINGS->{$target}->{used}->{$1} = 1;
-    }
-};
-
-my $free_lu_name = sub {
-    my ($target, $lu_name) = @_;
-
-    $lu_name =~ /^LUN(\d+)$/;
-    $SETTINGS->{$target}->{used}->{$1} = 0;
-};
-
-my $make_lun = sub {
-    my ($scfg, $path) = @_;
-
-    my $target = $SETTINGS->{current};
-    die 'Maximum number of LUNs per target is 63' if scalar @{$SETTINGS->{$target}->{luns}} >= $MAX_LUNS;
-
-    my @options = ();
-    my $lun = $get_lu_name->($target);
-    if ($scfg->{nowritecache}) {
-        push @options, "WriteCache Disable";     
-    }
-    my $conf = {
-        lun => $lun,
-        Storage => $path,
-        Size => 'AUTO',
-        options => @options,
-    };
-    push @{$SETTINGS->{$target}->{luns}}, $conf;
-
-    return $conf->{lun};
-};
-
-my $parser = sub {
-    my ($scfg) = @_;
-
-    my $lun = undef;
-    my $line = 0;
-
-    my $config = $get_config->($scfg);
-    my @cfgfile = split "\n", $config;
-
-    foreach (@cfgfile) {
-        $line++;
-        if ($_ =~ /^\s*\[(PortalGroup\d+)\]\s*/) {
-            $lun = undef;
-            $SETTINGS->{$1} = ();
-        } elsif ($_ =~ /^\s*\[(InitiatorGroup\d+)\]\s*/) {
-            $lun = undef;
-            $SETTINGS->{$1} = ();
-        } elsif ($_ =~ /^\s*PidFile\s+"?([\w\/\.]+)"?\s*/) {
-            $lun = undef;
-            $SETTINGS->{pidfile} = $1;
-        } elsif ($_ =~ /^\s*NodeBase\s+"?([\w\-\.]+)"?\s*/) {
-            $lun = undef;
-            $SETTINGS->{nodebase} = $1;
-        } elsif ($_ =~ /^\s*\[(LogicalUnit\d+)\]\s*/) {
-            $lun = $1;
-            $SETTINGS->{$lun} = ();
-            $SETTINGS->{targets}++;
-        } elsif ($lun) {
-            next if (($_ =~ /^\s*#/) || ($_ =~ /^\s*$/));
-            if ($_ =~ /^\s*(\w+)\s+(.+)\s*/) {
-                my $arg1 = $1;
-                $2 =~ s/^\s+|\s+$|"\s*//g;
-                if ($2 =~ /^Storage\s*(.+)/i) {
-                    $SETTINGS->{$lun}->{$arg1}->{storage} = $1;
-                } elsif ($2 =~ /^Option\s*(.+)/i) {
-                    push @{$SETTINGS->{$lun}->{$arg1}->{options}}, $1;
-                } else {
-                    $SETTINGS->{$lun}->{$arg1} = $2;
-                }
-            } else {
-                die "$line: parse error [$_]";
-            }
-        }
-        $CONFIG .= "$_\n" unless $lun;
-    }
-
-    $CONFIG =~ s/\n$//;
-    die "$scfg->{target}: Target not found" unless $SETTINGS->{targets};
-    my $max = $SETTINGS->{targets};
-    my $base = get_base;
-
-    for (my $i = 1; $i <= $max; $i++) {
-        my $target = $SETTINGS->{nodebase}.':'.$SETTINGS->{"LogicalUnit$i"}->{TargetName};
-        if ($target eq $scfg->{target}) {
-            my $lu = ();
-            while ((my $key, my $val) = each(%{$SETTINGS->{"LogicalUnit$i"}})) {
-                if ($key =~ /^LUN\d+/) {
-                    $val->{storage} =~ /^([\w\/\-]+)\s+(\w+)/;
-                    my $storage = $1;
-                    my $size = $parse_size->($2);
-                    my $conf = undef;
-                    my @options = ();
-                    if ($val->{options}) {
-                        @options = @{$val->{options}};
-                    }
-                    if ($storage =~ /^$base\/$scfg->{pool}\/([\w\-]+)$/) {
-                        $conf = {
-                            lun => $key,
-                            Storage => $storage,
-                            Size => $size,
-                            options => @options,
-                        }
-                    }
-                    push @$lu, $conf if $conf;
-                    delete $SETTINGS->{"LogicalUnit$i"}->{$key};
-                }
-            }
-            $SETTINGS->{"LogicalUnit$i"}->{luns} = $lu;
-            $SETTINGS->{current} = "LogicalUnit$i";
-            $init_lu_name->("LogicalUnit$i");
-        } else {
-            $CONFIG .= $lun_dumper->("LogicalUnit$i");
-            delete $SETTINGS->{"LogicalUnit$i"};
-            $SETTINGS->{targets}--;
-        }
-    }
-    die "$scfg->{target}: Target not found" unless $SETTINGS->{targets} > 0;
-};
-
-my $list_lun = sub {
-    my ($scfg, $timeout, $method, @params) = @_;
-    my $name = undef;
-
-    my $object = $params[0];
-    for my $key (keys %$SETTINGS)  {
-        next unless $key =~ /^LogicalUnit\d+$/;
-        foreach my $lun (@{$SETTINGS->{$key}->{luns}}) {
-            if ($lun->{Storage} =~ /^$object$/) {
-                return $lun->{Storage};
-            }
-        }
-    }
-
-    return $name;
-};
-
-my $create_lun = sub {
-    my ($scfg, $timeout, $method, @params) = @_;
-    my $res = ();
-    my $file = "/tmp/config$$";
-
-    if ($list_lun->($scfg, $timeout, $method, @params)) {
-        die "$params[0]: LUN exists";
-    }
-    my $lun = $params[0];
-    $lun = $make_lun->($scfg, $lun);
-    my $config = $lun_dumper->($SETTINGS->{current});
-    open(my $fh, '>', $file) or die "Could not open file '$file' $!";
-
-    print $fh $CONFIG;
-    print $fh $config;
-    close $fh;
-    @params = ($CONFIG_FILE);
-    $res = {
-        cmd => 'scp',
-        method => $file,
-        params => \@params,
-        msg => $lun,
-        post_exe => sub {
-            unlink $file;
-        },
-    };
-
-    return $res;
-};
-
-my $delete_lun = sub {
-    my ($scfg, $timeout, $method, @params) = @_;
-    my $res = ();
-    my $file = "/tmp/config$$";
-
-    my $target = $SETTINGS->{current};
-    my $luns = ();
-
-    foreach my $conf (@{$SETTINGS->{$target}->{luns}}) {
-        if ($conf->{Storage} =~ /^$params[0]$/) {
-            $free_lu_name->($target, $conf->{lun});
-        } else {
-            push @$luns, $conf;
-        }
-    }
-    $SETTINGS->{$target}->{luns} = $luns;
-
-    my $config = $lun_dumper->($SETTINGS->{current});
-    open(my $fh, '>', $file) or die "Could not open file '$file' $!";
-
-    print $fh $CONFIG;
-    print $fh $config;
-    close $fh;
-    @params = ($CONFIG_FILE);
-    $res = {
-        cmd => 'scp',
-        method => $file,
-        params => \@params,
-        post_exe => sub {
-            unlink $file;
-            run_lun_command($scfg, undef, 'add_view', 'restart');
-        },
-    };
-
-    return $res;
-};
-
-my $import_lun = sub {
-    my ($scfg, $timeout, $method, @params) = @_;
-
-    my $res = $create_lun->($scfg, $timeout, $method, @params);
-
-    return $res;
-};
-
-my $add_view = sub {
-    my ($scfg, $timeout, $method, @params) = @_;
-    my $cmdmap;
-
-    if (@params && $params[0] eq 'restart') {
-        @params = ('onerestart', '>&', '/dev/null');
-        $cmdmap = {
-            cmd => 'ssh',
-            method => $DAEMON,
-            params => \@params,
-        };
-    } else {
-        @params = ('-HUP', '`cat '. "$SETTINGS->{pidfile}`");
-        $cmdmap = {
-            cmd => 'ssh',
-            method => 'kill',
-            params => \@params,
-        };
-    }
-
-    return $cmdmap;
-};
-
-my $modify_lun = sub {
-    my ($scfg, $timeout, $method, @params) = @_;
-
-    # Current SIGHUP reload limitations
-    # LU connected by the initiator can't be reloaded by SIGHUP.
-    # Until above limitation persists modifying a LUN will require
-    # a restart of the daemon breaking all current connections
-    #die 'Modify a connected LUN is not currently supported by istgt';
-    @params = ('restart', @params);
-
-    return $add_view->($scfg, $timeout, $method, @params);
-};
-
-my $list_view = sub {
-    my ($scfg, $timeout, $method, @params) = @_;
-    my $lun = undef;
-
-    my $object = $params[0];
-    for my $key (keys %$SETTINGS)  {
-        next unless $key =~ /^LogicalUnit\d+$/;
-        foreach my $lun (@{$SETTINGS->{$key}->{luns}}) {
-            if ($lun->{Storage} =~ /^$object$/) {
-                if ($lun->{lun} =~ /^LUN(\d+)/) {
-                    return $1;
-                }
-                die "$lun->{Storage}: Missing LUN";
-            }
-        }
-    }
-
-    return $lun;
-};
-
-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) = @_;
-
-    my $msg = '';
-    my $luncmd;
-    my $target;
-    my $cmd;
-    my $res;
-    $timeout = 10 if !$timeout;
-    my $is_add_view = 0;
-
-    my $output = sub {
-    my $line = shift;
-    $msg .= "$line\n";
-    };
-
-    $target = 'root@' . $scfg->{portal};
-
-    $parser->($scfg) unless $SETTINGS;
-    my $cmdmap = $get_lun_cmd_map->($method);
-    if ($method eq 'add_view') {
-        $is_add_view = 1 ;
-        $timeout = 15;
-    }
-    if (ref $cmdmap->{cmd} eq 'CODE') {
-        $res = $cmdmap->{cmd}->($scfg, $timeout, $method, @params);
-        if (ref $res) {
-            $method = $res->{method};
-            @params = @{$res->{params}};
-            if ($res->{cmd} eq 'scp') {
-                $cmd = [@scp_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $method, "$target:$params[0]"];
-            } else {
-                $cmd = [@ssh_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $target, $method, @params];
-            }
-        } else {
-            return $res;
-        }
-    } else {
-        $luncmd = $cmdmap->{cmd};
-        $method = $cmdmap->{method};
-        $cmd = [@ssh_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $target, $luncmd, $method, @params];
-    }
-
-    eval {
-        run_command($cmd, outfunc => $output, timeout => $timeout);
-    };
-    if ($@ && $is_add_view) {
-        my $err = $@;
-        if ($OLD_CONFIG) {
-            my $err1 = undef;
-            my $file = "/tmp/config$$";
-            open(my $fh, '>', $file) or die "Could not open file '$file' $!";
-            print $fh $OLD_CONFIG;
-            close $fh;
-            $cmd = [@scp_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $file, $CONFIG_FILE];
-            eval {
-                run_command($cmd, outfunc => $output, timeout => $timeout);
-            };
-            $err1 = $@ if $@;
-            unlink $file;
-            die "$err\n$err1" if $err1;
-            eval {
-                run_lun_command($scfg, undef, 'add_view', 'restart');
-            };
-            die "$err\n$@" if ($@);
-        }
-        die $err;
-    } elsif ($@) {
-        die $@;
-    } elsif ($is_add_view) {
-        $OLD_CONFIG = undef;
-    }
-
-    if ($res->{post_exe} && ref $res->{post_exe} eq 'CODE') {
-        $res->{post_exe}->();
-    }
-
-    if ($res->{msg}) {
-        $msg = $res->{msg};
-    }
-
-    return $msg;
-}
-
-sub get_base {
-    return '/dev/zvol';
-}
-
-1;