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https://git.proxmox.com/git/qemu-server
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c75bf16117
as else one has no idea what the imported disk is, especially if multiple unused disks are already present.. Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
86 lines
3.0 KiB
Perl
Executable File
86 lines
3.0 KiB
Perl
Executable File
package PVE::QemuServer::ImportDisk;
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use strict;
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use warnings;
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use PVE::Storage;
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use PVE::QemuServer;
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use PVE::Tools qw(run_command extract_param);
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# imports an external disk image to an existing VM
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# and creates by default a drive entry unused[n] pointing to the created volume
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# $params->{drive_name} may be used to specify ide0, scsi1, etc ...
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# $params->{format} may be used to specify qcow2, raw, etc ...
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sub do_import {
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my ($src_path, $vmid, $storage_id, $params) = @_;
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my $drive_name = extract_param($params, 'drive_name');
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my $format = extract_param($params, 'format');
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if ($drive_name && !(PVE::QemuServer::is_valid_drivename($drive_name))) {
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die "invalid drive name: $drive_name\n";
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}
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# get the needed size from source disk
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my $src_size = PVE::Storage::file_size_info($src_path);
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# get target format, target image's path, and whether it's possible to sparseinit
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my $storecfg = PVE::Storage::config();
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my $dst_format = PVE::QemuServer::resolve_dst_disk_format($storecfg, $storage_id, undef, $format);
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my $dst_volid = PVE::Storage::vdisk_alloc($storecfg, $storage_id, $vmid, $dst_format, undef, $src_size / 1024);
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my $zeroinit = PVE::Storage::volume_has_feature($storecfg, 'sparseinit', $dst_volid);
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my $create_drive = sub {
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my $vm_conf = PVE::QemuConfig->load_config($vmid);
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if (!$params->{skiplock}) {
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PVE::QemuConfig->check_lock($vm_conf);
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}
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if ($drive_name) {
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# should never happen as setting $drive_name is not exposed to public interface
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die "cowardly refusing to overwrite existing entry: $drive_name\n" if $vm_conf->{$drive_name};
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my $modified = {}; # record what $option we modify
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$modified->{$drive_name} = 1;
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$vm_conf->{pending}->{$drive_name} = $dst_volid;
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PVE::QemuConfig->write_config($vmid, $vm_conf);
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my $running = PVE::QemuServer::check_running($vmid);
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if ($running) {
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my $errors = {};
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PVE::QemuServer::vmconfig_hotplug_pending($vmid, $vm_conf, $storecfg, $modified, $errors);
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warn "hotplugging imported disk '$_' failed: $errors->{$_}\n" for keys %$errors;
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} else {
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PVE::QemuServer::vmconfig_apply_pending($vmid, $vm_conf, $storecfg);
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}
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} else {
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$drive_name = PVE::QemuConfig->add_unused_volume($vm_conf, $dst_volid);
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PVE::QemuConfig->write_config($vmid, $vm_conf);
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}
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};
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eval {
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# trap interrupts so we have a chance to clean up
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local $SIG{INT} =
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local $SIG{TERM} =
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local $SIG{QUIT} =
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local $SIG{HUP} =
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local $SIG{PIPE} = sub { die "interrupted by signal $!\n"; };
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PVE::Storage::activate_volumes($storecfg, [$dst_volid]);
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PVE::QemuServer::qemu_img_convert($src_path, $dst_volid, $src_size, undef, $zeroinit);
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PVE::Storage::deactivate_volumes($storecfg, [$dst_volid]);
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PVE::QemuConfig->lock_config($vmid, $create_drive);
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};
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if (my $err = $@) {
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eval { PVE::Storage::vdisk_free($storecfg, $dst_volid) };
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warn "cleanup of $dst_volid failed: $@\n" if $@;
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die $err;
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}
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return ($drive_name, $dst_volid);
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}
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1;
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