Viewing file:  edit_lv.cgi (10.35 KB) -rwxr-xr-x
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#!/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'},
undef, [ "", "valign=top" ]);
print &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->{'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_return'});
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