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edit_lv.cgi
#!/usr/bin/perl # Display a form for editing an existing logical volume require './lvm-lib.pl'; &ReadParse(); ($vg) = grep { $_->{'name'} eq $in{'vg'} } &list_volume_groups(); $vg || &error($text{'vg_egone'}); @lvs = &list_logical_volumes($in{'vg'}); @thins = grep { $_->{'thin'} } @lvs; @pvs = &list_physical_volumes($in{'vg'}); $vgdesc = &text('lv_vg', $vg->{'name'}); if ($in{'lv'}) { ($lv) = grep { $_->{'name'} eq $in{'lv'} } @lvs; $lv || &error($text{'lv_egone'}); &ui_print_header($vgdesc, $lv->{'is_snap'} ? $text{'lv_edit_snap'} : $text{'lv_edit'}, ""); @stat = &device_status($lv->{'device'}); } else { &ui_print_header($vgdesc, $in{'snap'} ? $text{'lv_create_snap'} : $text{'lv_create'},""); $lv = { 'perm' => 'rw', 'alloc' => 'n', 'is_snap' => $in{'snap'}, 'size' => ($vg->{'pe_total'} - $vg->{'pe_alloc'})* $vg->{'pe_size'} }; $lv->{'size'} = &nice_round($lv->{'size'}); } print &ui_form_start("save_lv.cgi"); print &ui_hidden("vg", $in{'vg'}); print &ui_hidden("lv", $in{'lv'}); print &ui_hidden("snap", $in{'snap'}); print &ui_table_start($text{'lv_header'}, "width=100%", 4); $show_size = $lv->{'cow_size'} || $lv->{'size'}; if (!&can_resize_lv_stat(@stat)) { # Current status print &ui_table_row($text{'lv_name'}, $lv->{'name'}); print &ui_table_row($text{'lv_size'}, &nice_size($show_size * 1024)); } else { # Details for new LV if ($stat[2]) { print &ui_table_row($text{'lv_name'}, $lv->{'name'}. &ui_hidden("name", $lv->{'name'})); } else { print &ui_table_row($text{'lv_name'}, &ui_textbox("name", $lv->{'name'}, 30)); } # Thinpool to create in, if any exist if (!$in{'lv'} && @thins) { print &ui_table_row($text{'lv_thin'}, &ui_select("thin", "", [ [ "", $text{'lv_nothin'} ], (map { $_->{'name'} } @thins) ]), 3); } elsif ($lv->{'thin_in'}) { print &ui_table_row($text{'lv_thin2'}, &ui_link("edit_lv.cgi?vg=$in{'vg'}&lv=$lv->{'thin_in'}", $lv->{'thin_in'})); } if (!$in{'lv'}) { # Can show nice size chooser for absolute or relative size @pvopts = map { $_->{'name'} } &list_physical_volumes($in{'vg'}); print &ui_table_row($text{'lv_size'}, &ui_radio_table("size_mode", 0, [ [ 0, $text{'lv_size0'}, &ui_bytesbox("size", $show_size * 1024, 8) ], [ 1, $text{'lv_size1'}, &ui_textbox("vgsize", undef, 4)."%" ], [ 2, $text{'lv_size2'}, &ui_textbox("freesize", undef, 4)."%" ], [ 3, $text{'lv_size3'}, &text('lv_size3a', &ui_textbox("pvsize", undef, 4)."%", &ui_select("pvof", undef, \@pvopts)) ], ]), 3); } elsif ($lv->{'snap_of'} && $lv->{'thin_in'}) { # Snapshot inside a thin pool ... cannot resize print &ui_hidden("size_mode", -1); } else { # Check if size is exactly some number of TB, GB or MB, less # than 10240 $div = 1024*1024*1024; $size = $show_size*1024; $nice = 0; while($div >= 1024) { $frac = $size*1.0 / $div; if ($frac == int($frac) && $frac < 1024*10) { $nice = 1; last; } $div /= 1024; } if ($nice) { # Show nicely print &ui_table_row($text{'lv_size'}, &ui_radio_table("size_mode", 0, [ [ 0, $text{'lv_sizesimple'}, &ui_bytesbox("size", $size, 8) ], [ 2, $text{'lv_sizeallfree'} ] ])); } else { # Show in exactly kB print &ui_table_row($text{'lv_size'}, &ui_radio_table("size_mode", 4, [ [ 4, $text{'lv_sizeabs'}, &ui_textbox("sizekb", $show_size, 8). " kB" ], [ 0, $text{'lv_sizesimple'}, &ui_bytesbox("size", $size, 8) ], [ 2, $text{'lv_sizeallfree'} ] ])); } } } # Number of physical extents print &ui_table_row($text{'lv_petotal'}, &text('lv_petotals', $vg->{'pe_alloc'}, $vg->{'pe_total'})); # Extent size print &ui_table_row($text{'lv_pesize'}, &nice_size($vg->{'pe_size'}*1024)); if ($in{'lv'} && !$lv->{'thin'}) { # Device file and current status print &ui_table_row($text{'lv_device'}, "<tt>$lv->{'device'}</tt>"); print &ui_table_row($text{'lv_status'}, @stat ? &device_message(@stat) : $text{'lv_notused'}); } if ($lv->{'is_snap'}) { if ($in{'lv'}) { # Show which LV this is a snapshot of local $snapof; if ($lv->{'snap_of'}) { ($snapof) = grep { $_->{'name'} eq $lv->{'snap_of'} } @lvs; } else { ($snapof) = grep { $_->{'size'} == $lv->{'size'} && $_->{'has_snap'} } @lvs; } if ($snapof) { $snapsel = &ui_link( "edit_lv.cgi?vg=$in{'vg'}&lv=$snapof->{'name'}", $snapof->{'name'}); } else { $snapsel = "<i>$text{'lv_nosnap'}</i>"; } } else { # Allow selection of snapshot source $snapsel = &ui_select("snapof", undef, [ map { $_->{'name'} } grep { !$_->{'is_snap'} } @lvs ]); } print &ui_table_row($text{'lv_snapof'}, $snapsel); # Show snapshot percentage used if ($lv->{'snapusage'}) { print &ui_table_row($text{'lv_snapusage'}, $lv->{'snapusage'}."%"); } } elsif (!&can_resize_lv_stat(@stat)) { # Display current permissons and allocation method print &ui_table_row($text{'lv_perm'}, $text{"lv_perm".$lv->{'perm'}}); print &ui_table_row($text{'lv_alloc'}, $text{"lv_alloc".$lv->{'alloc'}}); } else { # Allow editing of permissons and allocation method print &ui_table_row($text{'lv_perm'}, &ui_radio("perm", $lv->{'perm'}, [ [ 'rw', $text{'lv_permrw'} ], [ 'r', $text{'lv_permr'} ] ])); print &ui_table_row($text{'lv_alloc'}, &ui_radio("alloc", $lv->{'alloc'}, [ [ 'y', $text{'lv_allocy'} ], [ 'n', $text{'lv_allocn'} ] ])); } if (!$in{'lv'} && !$lv->{'is_snap'}) { # Allow selection of striping print &ui_table_row($text{'lv_stripe'}, &ui_opt_textbox("stripe", undef, 4, $text{'lv_nostripe'}, $text{'lv_stripes2'}), 3); # And strip size print &ui_table_row($text{'lv_stripesize'}, &ui_select("stripesize", undef, [ [ undef, $text{'default'} ], map { [ $_, $_." kB" ] } map { 2**$_ } (2 .. 12) ])); } elsif (!$lv->{'is_snap'}) { # Show current striping print &ui_table_row($text{'lv_stripe'}, $lv->{'stripes'} > 1 ? &text('lv_stripes', $lv->{'stripes'}) : $text{'lv_nostripe'}); if ($lv->{'stripes'} && $lv->{'stripesize'}) { print &ui_table_row($text{'lv_stripesize'}, &nice_size($lv->{'stripesize'}*1024)); } if ($lv->{'mirrors'}) { print &ui_table_row($text{'lv_mirror'}, $lv->{'mirrors'}); } } if (!$lv->{'is_snap'}) { # Allow selection of readahead sectors print &ui_table_row($text{'lv_readahead'}, &ui_select("readahead", $lv->{'readahead'}, [ [ "auto", "Auto" ], [ 0, "None" ], map { [ $_, $_."" ] } map { 2**$_ } ( 7 .. 16) ])); } # Show free disk space if (@stat && $stat[2]) { ($total, $free) = &mount::disk_space($stat[1], $stat[0]); print &ui_table_row($text{'lv_freedisk'}, &nice_size($free*1024)); print &ui_table_row($text{'lv_free'}, int($total ? 100 * $free / $total : 0)." %"); } # Show extents on PVs if ($in{'lv'}) { @pvinfo = &get_logical_volume_usage($lv); if (@pvinfo) { foreach $p (@pvinfo) { ($pv) = grep { $_->{'name'} eq $p->[0] } @pvs; push(@pvlist, &ui_link("edit_pv.cgi?vg=$in{'vg'}&pv=$pv->{'name'}",$pv->{'name'})." ".&nice_size($p->[1]*$pv->{'pe_size'}*1024)); } print &ui_table_row($text{'lv_pvs'}, &ui_grid_table(\@pvlist, 4), 3); } } # Show thin pool users if ($in{'lv'} && $lv->{'thin'}) { print &ui_table_row($text{'lv_thinused'}, &nice_size($lv->{'thin_used'} * 1024)); print &ui_table_row($text{'lv_thinpercent'}, $lv->{'thin_percent'}."%"); @thinc = grep { $_->{'thin_in'} eq $lv->{'name'} } @lvs; if (@thinc) { foreach $t (@thinc) { push(@thinlist, &ui_link("edit_lv.cgi?vg=$in{'vg'}&lv=$t->{'name'}", $t->{'name'})." ".&nice_size($t->{'size'} * 1024)); } print &ui_table_row($text{'lv_thincs'}, &ui_grid_table(\@thinlist, 4), 3); } } print &ui_table_end(); if (!&can_resize_lv_stat(@stat)) { # In use - cannot be edited print &ui_form_end(); print "<b>$text{'lv_cannot'}</b><p>\n"; } elsif ($stat[2]) { # Mounted, but can be resized print &ui_form_end([ [ undef, $text{'save'} ] ]); } elsif ($in{'lv'}) { if ($lv->{'is_snap'} && &supports_snapshot_rollback()) { # Can be resized, deleted or rolled back print &ui_form_end([ [ undef, $text{'save'} ], [ 'delete', $text{'delete'} ], [ 'rollback', $text{'lv_snaprollback'} ] ]); } else { # Can be resized or deleted print &ui_form_end([ [ undef, $text{'save'} ], [ 'delete', $text{'delete'} ] ]); } } else { # Can be created print &ui_form_end([ [ undef, $text{'create'} ] ]); } if ($in{'lv'} && !$stat[2] && !$lv->{'is_snap'} && !$lv->{'thin'} && $stat[1] ne 'cloudmin' && $stat[1] ne 'iscsi') { print &ui_hr(); print &ui_buttons_start(); # Show button for creating filesystems if ($stat[1]) { # Use FS from fstab print &ui_buttons_row("mkfs_form.cgi", $text{'lv_mkfs2'}, &text('lv_mkfsdesc2', uc($stat[1])), &ui_hidden("dev", $lv->{'device'}). &ui_hidden("fs", $stat[1]). &ui_hidden("lv", $in{'lv'}). &ui_hidden("vg", $in{'vg'})); } else { # Can select FS print &ui_buttons_row("mkfs_form.cgi", $text{'lv_mkfs'}, $text{'lv_mkfsdesc'}, &ui_hidden("dev", $lv->{'device'}). &ui_hidden("lv", $in{'lv'}). &ui_hidden("vg", $in{'vg'}), &ui_select("fs", "ext3", [ map { [ $_, $fdisk::text{"fs_".$_}." ($_)" ] } &fdisk::supported_filesystems() ])); } if (!@stat) { # Show button for mounting $type = $config{'lasttype_'.$lv->{'device'}} || "ext2"; print &ui_buttons_row("../mount/edit_mount.cgi", $text{'lv_newmount'}, $text{'lv_mountmsg'}, &ui_hidden("type", $type). &ui_hidden("newdev", $lv->{'device'}), &ui_textbox("newdir", "", 20)); } print &ui_buttons_end(); } # Show PV move form if ($in{'lv'} && @pvs > 1 && @pvinfo) { print &ui_form_start("pvmove.cgi"); print &ui_hidden("vg", $in{'vg'}); print &ui_hidden("lv", $in{'lv'}); print &ui_table_start($text{'lv_moveheader'}, undef, 2); @names = map { $_->{'name'} } @pvs; print &ui_table_row($text{'lv_pvfrom'}, &ui_select("from", $pvinfo[0]->[0], [ &unique(map { $_->[0] } @pvinfo) ])); ($defto) = grep { $_ ne $pvinfo[0]->[0] } @names; print &ui_table_row($text{'lv_pvto'}, &ui_select("to", $defto, \@names)); print &ui_table_end(); print &ui_form_end([ [ undef, $text{'lv_moveok'} ] ]); } &ui_print_footer("index.cgi?mode=lvs", $text{'index_return3'});