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97 lines
2.5 KiB
Perl
Executable File
97 lines
2.5 KiB
Perl
Executable File
#!/usr/local/bin/perl
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# Create, update or delete an extent
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use strict;
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use warnings;
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no warnings 'redefine';
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no warnings 'uninitialized';
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require './iscsi-server-lib.pl';
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our (%text, %in, %config);
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&lock_file($config{'targets_file'});
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my $conf = &get_iscsi_config();
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&ReadParse();
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&error_setup($in{'delete'} ? $text{'extent_derr'} : $text{'extent_err'});
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my ($extent, $old_extent);
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if (!$in{'new'}) {
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# Get the existing extent
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$extent = &find($conf, "extent", $in{'num'});
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$extent || &text('extent_egone', $in{'num'});
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$old_extent = $extent;
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}
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else {
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# Creating a new one
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$extent = { 'num' => &find_free_num($conf, 'extent'),
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'type' => 'extent' };
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}
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if ($in{'delete'}) {
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# Check if in use before deleting
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my @users = &find_extent_users($conf, $extent);
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if (@users) {
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&error(&text('extent_einuse',
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join(", ", map { &describe_object($_) } @users)));
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}
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# Delete, after asking for confirmation
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if ($in{'confirm'}) {
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# Delete it
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&save_directive($conf, $extent, undef);
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}
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else {
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# Ask first
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&ui_print_header(undef, $text{'extent_edit'}, "");
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print &ui_confirmation_form(
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"save_extent.cgi",
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&text('extent_rusure',
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&mount::device_name($extent->{'device'})),
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[ [ 'num', $in{'num'} ],
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[ 'delete', 1 ] ],
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[ [ 'confirm', $text{'extent_sure'} ] ],
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);
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&ui_print_footer("list_extents.cgi", $text{'extents_return'});
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return;
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}
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}
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else {
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# Validate and store inputs
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if ($in{'mode'} eq 'part') {
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$extent->{'device'} = $in{'part'};
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}
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elsif ($in{'mode'} eq 'raid') {
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$extent->{'device'} = $in{'raid'};
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}
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elsif ($in{'mode'} eq 'lvm') {
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$extent->{'device'} = $in{'lvm'};
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}
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else {
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-f $in{'other'} || &error($text{'extent_eother'});
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$extent->{'device'} = $in{'other'};
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}
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$in{'start'} =~ /^\d+$/ || &error($text{'extent_estart'});
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$extent->{'start'} = $in{'start'}*$in{'start_units'};
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my $maxsize = &get_device_size($extent->{'device'}, $in{'mode'});
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if ($in{'size_def'}) {
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$extent->{'size'} = $maxsize;
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}
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else {
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$in{'size'} =~ /^\d+$/ && $in{'size'} > 0 ||
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&error($text{'extent_esize'});
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$extent->{'size'} = $in{'size'}*$in{'size_units'};
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}
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$extent->{'start'} + $extent->{'size'} <= $maxsize ||
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&error(&text('extent_esizemax', &nice_size($maxsize)));
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# Write out the config
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&save_directive($conf, $old_extent, $extent);
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}
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&unlock_file($config{'targets_file'});
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&webmin_log($in{'new'} ? 'create' : $in{'delete'} ? 'delete' : 'modify',
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'extent', $extent->{'device'});
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&redirect("list_extents.cgi");
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