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#!/usr/bin/perl
# index.cgi
# Display a table of all volumne groups and their physical and logical volumes.
require './lvm-lib.pl';
&ReadParse();
if (!&has_command("vgdisplay")) {
&lvm_header();
print &text('index_ecommands', "<tt>vgdisplay</tt>"),"<p>\n";
&ui_print_footer("/", $text{'index'});
exit;
}
($lvm_version, $out) = &get_lvm_version();
if ($lvm_version && $lvm_version < 2) {
# /proc/lvm doesn't exist in LVM 2
if (!-d $lvm_proc) {
system("modprobe lvm-mod >/dev/null 2>&1");
}
if (!-d $lvm_proc) {
&lvm_header();
print &text('index_emodule', "<tt>$lvm_proc</tt>",
"<tt>lvm-mod</tt>"),"<p>\n";
&ui_print_footer("/", $text{'index'});
exit;
}
}
if (!$lvm_version) {
&lvm_header();
print &text('index_eversion', "<tt>vgdisplay --version</tt>",
"<pre>$out</pre>"),"<p>\n";
&ui_print_footer("/", $text{'index'});
exit;
}
&lvm_header();
@vgs = &list_volume_groups();
if (@vgs) {
# Start tabs for volume groups, physical volumes and logical volumes
@tabs = ( [ 'vgs', $text{'index_vgs'}, 'index.cgi?mode=vgs' ],
[ 'pvs', $text{'index_pvs'}, 'index.cgi?mode=pvs' ],
[ 'lvs', $text{'index_lvs'}, 'index.cgi?mode=lvs' ] );
print &ui_tabs_start(\@tabs, "mode", $in{'mode'} || 'vgs', 1);
# Show volume groups
print &ui_tabs_start_tab("mode", "vgs");
print $text{'index_vgsdesc'},"<p>\n";
@vgs = sort { $a->{'number'} <=> $b->{'number'} } @vgs;
@links = ( "<a href='edit_vg.cgi'>$text{'index_add'}</a>" );
if ($config{'show_table'}) {
# As table
print &ui_links_row(\@links);
print &ui_columns_start([ $text{'index_vgname'},
$text{'index_vgsize'},
$text{'index_vgtotal'},
$text{'index_vgtotal2'} ], 100);
foreach $v (@vgs) {
print &ui_columns_row([
"<a href='edit_vg.cgi?vg=".
&urlize($v->{'name'})."'>".
&html_escape($v->{'name'})."</a>",
&nice_size($v->{'size'}*1024),
&text('lv_petotals', $v->{'pe_alloc'},
$v->{'pe_total'}),
&text('lv_petotals',
&nice_size($v->{'pe_alloc'}*$v->{'pe_size'}*1024),
&nice_size($v->{'pe_total'}*$v->{'pe_size'}*1024))
]);
}
print &ui_columns_end();
}
else {
# As icons
print &ui_links_row(\@links);
foreach $v (@vgs) {
push(@vgicons, "edit_vg.cgi?vg=".&urlize($v->{'name'}));
push(@vgtitles, &html_escape($v->{'name'}).
"<br>".&nice_size($v->{'size'}*1024));
push(@vglinks, "images/vg.gif");
}
&icons_table(\@vgicons, \@vgtitles, \@vglinks);
}
print &ui_links_row(\@links);
print &ui_tabs_end_tab();
# Show physical volumes
print &ui_tabs_start_tab("mode", "pvs");
print $text{'index_pvsdesc'},"<p>\n";
foreach $v (@vgs) {
push(@allpvs, &list_physical_volumes($v->{'name'}));
}
@allpvs = sort { $a->{'name'} cmp $b->{'name'} } @allpvs;
@links = ( );
foreach $v (@vgs) {
push(@links, "<a href='edit_pv.cgi?vg=".&urlize($v->{'name'}).
"'>".&text('index_addpv2', $v->{'name'})."</a>");
}
if (!@allpvs) {
# None yet
print "<b>$text{'index_nopvs2'}</b><p>\n";
}
elsif ($config{'show_table'}) {
# Show table of PVs
print &ui_links_row(\@links);
print &ui_columns_start([ $text{'index_pvname'},
$text{'index_pvvg'},
$text{'index_pvsize'},
$text{'index_pvtotal'},
$text{'index_pvtotal2'} ], 100);
foreach $p (@allpvs) {
($v) = grep { $_->{'name'} eq $p->{'vg'} } @vgs;
print &ui_columns_row([
"<a href='edit_pv.cgi?vg=".&urlize($v->{'name'}).
"&pv=".&urlize($p->{'name'})."'>$p->{'name'}</a>",
$v->{'name'},
&nice_size($p->{'size'}*1024),
&text('lv_petotals', $p->{'pe_alloc'},
$p->{'pe_total'}),
&text('lv_petotals',
&nice_size($p->{'pe_alloc'}*$p->{'pe_size'}*1024),
&nice_size($p->{'pe_total'}*$p->{'pe_size'}*1024)),
]);
}
print &ui_columns_end();
}
else {
# Show PV icons
print &ui_links_row(\@links);
foreach $p (@allpvs) {
($v) = grep { $_->{'name'} eq $p->{'vg'} } @vgs;
push(@pvicons, "edit_pv.cgi?vg=".&urlize($v->{'name'}).
"&pv=".&urlize($p->{'name'}));
push(@pvtitles, &html_escape($p->{'name'}).
"<br>".&nice_size($p->{'size'}*1024));
push(@pvlinks, "images/vg.gif");
}
&icons_table(\@pvicons, \@pvtitles, \@pvlinks);
}
print &ui_links_row(\@links);
print &ui_tabs_end_tab();
# Show logical volumes
print &ui_tabs_start_tab("mode", "lvs");
print $text{'index_lvsdesc'},"<p>\n";
foreach $v (@vgs) {
push(@alllvs, &list_logical_volumes($v->{'name'}));
}
@alllvs = sort { $a->{'name'} cmp $b->{'name'} } @alllvs;
@links = ( );
foreach $v (@vgs) {
push(@links, "<a href='edit_lv.cgi?vg=".&urlize($v->{'name'}).
"'>".&text('index_addlv2', $v->{'name'})."</a>");
@lvsin = grep { $_->{'vg'} eq $v->{'name'} } @alllvs;
if (@lvsin) {
push(@links,
"<a href='edit_lv.cgi?vg=".&urlize($v->{'name'}).
"&snap=1'>".&text('index_addlv2s', $v->{'name'}).
"</a>");
}
}
if (!@alllvs) {
# None yet
print "<b>$text{'index_nolvs2'}</b><p>\n";
}
elsif ($config{'show_table'}) {
# Show table of LVs
print &ui_links_row(\@links);
print &ui_columns_start([ $text{'index_lvname'},
$text{'index_lvvg'},
$text{'index_lvsize'},
$text{'index_lvused'},
$text{'index_lvuse'} ], 100);
foreach $l (@alllvs) {
($v) = grep { $_->{'name'} eq $l->{'vg'} } @vgs;
if ($lv->{'is_snap'}) {
($snapof) = grep {
$_->{'size'} == $l->{'size'} &&
$_->{'vg'} eq $l->{'vg'} &&
$_->{'has_snap'} } @alllvs;
}
else {
$snapof = undef;
}
@stat = &device_status($l->{'device'});
$usedmsg = "";
if (@stat[2]) {
($total, $free) = &mount::disk_space(
$stat[1], $stat[0]);
if ($total) {
$usedmsg = &text('lv_petotals',
&nice_size(($total-$free)*1024),
&nice_size($total*1024));
}
}
print &ui_columns_row([
"<a href='edit_lv.cgi?vg=".&urlize($v->{'name'}).
"&lv=".&urlize($l->{'name'})."'>$l->{'name'}</a>",
$v->{'name'},
&nice_size($l->{'size'}*1024),
$usedmsg,
(@stat ? &device_message(@stat) : undef).
($snap ? " ".&text('index_snapof', $snap->{'name'})
: ""),
]);
}
print &ui_columns_end();
}
else {
# Show PV icons
print &ui_links_row(\@links);
foreach $l (@alllvs) {
($v) = grep { $_->{'name'} eq $l->{'vg'} } @vgs;
push(@lvicons, "edit_lv.cgi?vg=".&urlize($v->{'name'}).
"&lv=".&urlize($l->{'name'}));
push(@lvtitles, &html_escape($l->{'name'}).
"<br>".&nice_size($l->{'size'}*1024));
push(@lvlinks, "images/lv.gif");
}
&icons_table(\@lvicons, \@lvtitles, \@lvlinks);
}
print &ui_links_row(\@links);
print &ui_tabs_end_tab();
print &ui_tabs_end(1);
}
else {
print "<b>$text{'index_none'}</b> <p>\n";
@tab = &list_lvmtab();
if (@tab) {
# Maybe LVM needs to be re-started
print &text('index_init', "init.cgi"),"<p>\n";
}
print &ui_links_row([
"<a href='edit_vg.cgi'>$text{'index_add'}</a>" ]);
}
&ui_print_footer("/", $text{'index'});
sub lvm_header
{
&ui_print_header(undef, $text{'index_title'}, "", undef, 1, 1, 0,
&help_search_link("lvm", "man", "doc", "google"), undef, undef,
$lvm_version ? &text('index_version', $lvm_version) : undef);
}
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