mirror of
https://git.proxmox.com/git/qemu-server
synced 2025-10-31 03:17:01 +00:00
cleanup update_vm - factor out code to make is simpler
This commit is contained in:
Dietmar Maurer
parent
1858638fe3
commit
ae57f6b352
302
PVE/API2/Qemu.pm
302
PVE/API2/Qemu.pm
@ -55,49 +55,58 @@ my $check_volume_access = sub {
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return $path;
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};
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my $check_storage_access = sub {
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my ($rpcenv, $authuser, $storecfg, $vmid, $pool, $settings, $default_storage) = @_;
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PVE::QemuServer::foreach_drive($settings, sub {
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my ($ds, $drive) = @_;
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my $isCDROM = PVE::QemuServer::drive_is_cdrom($drive);
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my $volid = $drive->{file};
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if (!$isCDROM && ($volid =~ m/^(([^:\s]+):)?(\d+(\.\d+)?)$/)) {
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my ($storeid, $size) = ($2 || $default_storage, $3);
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die "no storage ID specified (and no default storage)\n" if !$storeid;
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$rpcenv->check_storage_perm($authuser, $vmid, $pool, $storeid, [ 'Datastore.AllocateSpace' ]);
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} else {
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my $path = &$check_volume_access($rpcenv, $authuser, $storecfg, $vmid, $volid, $pool);
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die "image '$path' does not exists\n" if (!(-f $path || -b $path));
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}
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});
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};
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# Note: $pool is only needed when creating a VM, because pool permissions
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# are automatically inherited if VM already exists inside a pool.
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my $create_disks = sub {
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my ($rpcenv, $authuser, $conf, $storecfg, $vmid, $pool, $settings, $default_storage) = @_;
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# check permissions first
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my $vollist = [];
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my $alloc = [];
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my $res = {};
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PVE::QemuServer::foreach_drive($settings, sub {
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my ($ds, $disk) = @_;
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return if PVE::QemuServer::drive_is_cdrom($disk);
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my $volid = $disk->{file};
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if ($volid =~ m/^(([^:\s]+):)?(\d+(\.\d+)?)$/) {
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my ($storeid, $size) = ($2 || $default_storage, $3);
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die "no storage ID specified (and no default storage)\n" if !$storeid;
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$rpcenv->check_storage_perm($authuser, $vmid, $pool, $storeid, [ 'Datastore.AllocateSpace' ]);
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my $defformat = PVE::Storage::storage_default_format($storecfg, $storeid);
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my $fmt = $disk->{format} || $defformat;
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push @$alloc, [$ds, $disk, $storeid, $size, $fmt];
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my $volid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $vmid,
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$fmt, undef, $size*1024*1024);
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$disk->{file} = $volid;
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push @$vollist, $volid;
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delete $disk->{format}; # no longer needed
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$res->{$ds} = PVE::QemuServer::print_drive($vmid, $disk);
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} else {
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my $path = &$check_volume_access($rpcenv, $authuser, $storecfg, $vmid, $volid, $pool);
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die "image '$path' does not exists\n" if (!(-f $path || -b $path));
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$res->{$ds} = $settings->{ds};
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}
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});
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# now try to allocate everything
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my $vollist = [];
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eval {
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foreach my $task (@$alloc) {
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my ($ds, $disk, $storeid, $size, $fmt) = @$task;
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my $volid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $vmid,
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$fmt, undef, $size*1024*1024);
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$disk->{file} = $volid;
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push @$vollist, $volid;
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}
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};
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# free allocated images on error
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if (my $err = $@) {
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syslog('err', "VM $vmid creating disks failed");
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@ -109,21 +118,19 @@ my $create_disks = sub {
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}
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# modify vm config if everything went well
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foreach my $task (@$alloc) {
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my ($ds, $disk) = @$task;
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delete $disk->{format}; # no longer needed
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$conf->{$ds} = $settings->{$ds} = PVE::QemuServer::print_drive($vmid, $disk);
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foreach my $ds (keys %$res) {
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$conf->{$ds} = $res->{$ds};
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}
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return $vollist;
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};
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my $check_vm_modify_config_perm = sub {
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my ($rpcenv, $authuser, $vmid, $pool, $param) = @_;
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my ($rpcenv, $authuser, $vmid, $pool, $key_list) = @_;
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return 1 if $authuser ne 'root@pam';
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foreach my $opt (keys %$param) {
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foreach my $opt (@$key_list) {
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# disk checks need to be done somewhere else
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next if PVE::QemuServer::valid_drivename($opt);
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@ -285,6 +292,10 @@ __PACKAGE__->register_method({
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if (!$archive) {
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&$resolve_cdrom_alias($param);
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&$check_storage_access($rpcenv, $authuser, $storecfg, $vmid, $pool, $param, $storage);
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&$check_vm_modify_config_perm($rpcenv, $authuser, $vmid, $pool, [ keys %$param]);
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foreach my $opt (keys %$param) {
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if (PVE::QemuServer::valid_drivename($opt)) {
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my $drive = PVE::QemuServer::parse_drive($opt, $param->{$opt});
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@ -333,8 +344,6 @@ __PACKAGE__->register_method({
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return $rpcenv->fork_worker('qmrestore', $vmid, $authuser, $realcmd);
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};
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&$check_vm_modify_config_perm($rpcenv, $authuser, $vmid, $pool, $param);
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my $createfn = sub {
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# second test (after locking test is accurate)
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@ -348,6 +357,7 @@ __PACKAGE__->register_method({
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my $conf = $param;
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eval {
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$vollist = &$create_disks($rpcenv, $authuser, $conf, $storecfg, $vmid, $pool, $param, $storage);
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# try to be smart about bootdisk
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@ -547,28 +557,148 @@ __PACKAGE__->register_method({
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return $conf;
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}});
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my $vm_is_volid_owner = sub {
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my ($storecfg, $vmid, $volid) =@_;
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if ($volid !~ m|^/|) {
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my ($path, $owner);
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eval { ($path, $owner) = PVE::Storage::path($storecfg, $volid); };
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if ($owner && ($owner == $vmid)) {
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return 1;
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}
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}
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return undef;
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};
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my $test_deallocate_drive = sub {
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my ($storecfg, $vmid, $key, $drive, $force) = @_;
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if (!PVE::QemuServer::drive_is_cdrom($drive)) {
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my $volid = $drive->{file};
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if (&$vm_is_volid_owner($storecfg, $vmid, $volid)) {
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if ($force || $key =~ m/^unused/) {
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my $sid = PVE::Storage::parse_volume_id($volid);
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return $sid;
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}
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}
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}
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return undef;
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};
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my $delete_drive = sub {
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my ($conf, $storecfg, $vmid, $key, $drive, $force) = @_;
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if (!PVE::QemuServer::drive_is_cdrom($drive)) {
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my $volid = $drive->{file};
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if ($volid !~ m|^/|) {
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my ($path, $owner);
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eval { ($path, $owner) = PVE::Storage::path($storecfg, $volid); };
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if ($owner && ($owner == $vmid)) {
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if ($force) {
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eval { PVE::Storage::vdisk_free($storecfg, $volid); };
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warn $@ if $@;
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} else {
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PVE::QemuServer::add_unused_volume($conf, $volid, $vmid);
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}
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delete $conf->{$key};
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if (&$vm_is_volid_owner($storecfg, $vmid, $volid)) {
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if ($force || $key =~ m/^unused/) {
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eval { PVE::Storage::vdisk_free($storecfg, $volid); };
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warn $@ if $@;
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} else {
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PVE::QemuServer::add_unused_volume($conf, $volid, $vmid);
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}
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delete $conf->{$key};
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}
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}
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};
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my $vmconfig_delete_option = sub {
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my ($rpcenv, $authuser, $conf, $storecfg, $vmid, $opt, $force) = @_;
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return if !defined($conf->{$opt});
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my $isDisk = PVE::QemuServer::valid_drivename($opt)|| ($opt =~ m/^unused/);
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if ($isDisk) {
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$rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.Disk']);
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my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
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if (my $sid = &$test_deallocate_drive($storecfg, $vmid, $opt, $drive, $force)) {
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$rpcenv->check_storage_perm($authuser, $vmid, undef, $sid, [ 'Datastore.Allocate' ]);
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}
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}
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die "error hot-unplug $opt" if !PVE::QemuServer::vm_deviceunplug($vmid, $conf, $opt);
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if ($isDisk) {
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my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
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&$delete_drive($conf, $storecfg, $vmid, $opt, $drive, $force);
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} else {
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delete $conf->{$opt};
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}
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PVE::QemuServer::update_config_nolock($vmid, $conf, 1);
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};
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my $vmconfig_update_disk = sub {
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my ($rpcenv, $authuser, $conf, $storecfg, $vmid, $opt, $value, $force) = @_;
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my $drive = PVE::QemuServer::parse_drive($opt, $value);
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if (PVE::QemuServer::drive_is_cdrom($drive)) { #cdrom
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$rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.CDROM']);
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} else {
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$rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.Disk']);
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}
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if ($conf->{$opt}) {
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if (my $old_drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt})) {
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my $media = $drive->{media} || 'disk';
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my $oldmedia = $old_drive->{media} || 'disk';
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die "unable to change media type\n" if $media ne $oldmedia;
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if (!PVE::QemuServer::drive_is_cdrom($old_drive) &&
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($drive->{file} ne $old_drive->{file})) { # delete old disks
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&$vmconfig_delete_option($rpcenv, $authuser, $conf, $storecfg, $vmid, $opt, $force);
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$conf = PVE::QemuServer::load_config($vmid); # update/reload
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}
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}
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} else {
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}
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&$create_disks($rpcenv, $authuser, $conf, $storecfg, $vmid, undef, {$opt => $value});
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PVE::QemuServer::update_config_nolock($vmid, $conf, 1);
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$conf = PVE::QemuServer::load_config($vmid); # update/reload
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$drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
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if (PVE::QemuServer::drive_is_cdrom($drive)) { # cdrom
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if (PVE::QemuServer::check_running($vmid)) {
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if ($drive->{file} eq 'none') {
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PVE::QemuServer::vm_monitor_command($vmid, "eject -f drive-$opt", 0);
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} else {
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my $path = PVE::QemuServer::get_iso_path($storecfg, $vmid, $drive->{file});
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PVE::QemuServer::vm_monitor_command($vmid, "eject -f drive-$opt", 0); #force eject if locked
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PVE::QemuServer::vm_monitor_command($vmid, "change drive-$opt \"$path\"", 0) if $path;
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}
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}
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} else { # hotplug new disks
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die "error hotplug $opt" if !PVE::QemuServer::vm_deviceplug($storecfg, $conf, $vmid, $opt, $drive);
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}
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};
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my $vmconfig_update_net = sub {
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my ($rpcenv, $authuser, $conf, $storecfg, $vmid, $opt, $value) = @_;
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if ($conf->{$opt}) {
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#if online update, then unplug first
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die "error hot-unplug $opt for update" if !PVE::QemuServer::vm_deviceunplug($vmid, $conf, $opt);
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}
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$conf->{$opt} = $value;
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PVE::QemuServer::update_config_nolock($vmid, $conf, 1);
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$conf = PVE::QemuServer::load_config($vmid); # update/reload
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my $net = PVE::QemuServer::parse_net($conf->{$opt});
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die "error hotplug $opt" if !PVE::QemuServer::vm_deviceplug($storecfg, $conf, $vmid, $opt, $net);
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};
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my $vm_config_perm_list = [
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@ -662,26 +792,28 @@ __PACKAGE__->register_method({
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if (!PVE::QemuServer::option_exists($opt)) {
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raise_param_exc({ delete => "unknown option '$opt'" });
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}
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push @delete, $opt;
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}
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my $drive_hash = {};
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my $net_hash = {};
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foreach my $opt (keys %$param) {
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if (PVE::QemuServer::valid_drivename($opt)) {
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# cleanup drive path
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my $drive = PVE::QemuServer::parse_drive($opt, $param->{$opt});
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PVE::QemuServer::cleanup_drive_path($opt, $storecfg, $drive);
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$param->{$opt} = PVE::QemuServer::print_drive($vmid, $drive);
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$drive_hash->{$opt} = $drive;
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} elsif ($opt =~ m/^net(\d+)$/) {
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# add macaddr
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my $net = PVE::QemuServer::parse_net($param->{$opt});
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$param->{$opt} = PVE::QemuServer::print_net($net);
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$net_hash->{$opt} = $net;
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}
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}
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&$check_vm_modify_config_perm($rpcenv, $authuser, $vmid, undef, [@delete]);
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&$check_vm_modify_config_perm($rpcenv, $authuser, $vmid, undef, [keys %$param]);
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&$check_storage_access($rpcenv, $authuser, $storecfg, $vmid, undef, $param);
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my $updatefn = sub {
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@ -695,24 +827,8 @@ __PACKAGE__->register_method({
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PVE::Cluster::log_msg('info', $authuser, "update VM $vmid: " . join (' ', @paramarr));
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foreach my $opt (@delete) { # delete
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$conf = PVE::QemuServer::load_config($vmid); # update/reload
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next if !defined($conf->{$opt});
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die "error hot-unplug $opt" if !PVE::QemuServer::vm_deviceunplug($vmid, $conf, $opt);
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if (PVE::QemuServer::valid_drivename($opt)) {
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my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
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&$delete_drive($conf, $storecfg, $vmid, $opt, $drive, $force);
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} elsif ($opt =~ m/^unused/) {
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my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
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my $volid = $drive->{file};
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eval { PVE::Storage::vdisk_free($storecfg, $volid); };
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warn $@ if $@;
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delete $conf->{$opt};
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}
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PVE::QemuServer::update_config_nolock($vmid, $conf, 1);
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&$vmconfig_delete_option($rpcenv, $authuser, $conf, $storecfg, $vmid, $opt, $force);
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}
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foreach my $opt (keys %$param) { # add/change
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@ -721,61 +837,15 @@ __PACKAGE__->register_method({
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next if $conf->{$opt} && ($param->{$opt} eq $conf->{$opt}); # skip if nothing changed
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if (my $drive = $drive_hash->{$opt}) { # drives
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if (PVE::QemuServer::valid_drivename($opt)) {
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my $old_drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt}) if $conf->{$opt};
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if ($old_drive && ($drive->{file} ne $old_drive->{file}) &&
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!PVE::QemuServer::drive_is_cdrom($old_drive)) { # delete old disks
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die "error hot-unplug $opt" if !PVE::QemuServer::vm_deviceunplug($vmid, $conf, $opt);
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&$delete_drive($conf, $storecfg, $vmid, $opt, $old_drive, 0);
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PVE::QemuServer::update_config_nolock($vmid, $conf, 1);
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$conf = PVE::QemuServer::load_config($vmid); # update/reload
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}
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if (PVE::QemuServer::drive_is_cdrom($drive)) { #cdrom
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if (PVE::QemuServer::check_running($vmid)) {
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if ($drive->{file} eq 'none') {
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PVE::QemuServer::vm_monitor_command($vmid, "eject -f drive-$opt", 0);
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} else {
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my $path = PVE::QemuServer::get_iso_path($storecfg, $vmid, $drive->{file});
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PVE::QemuServer::vm_monitor_command($vmid, "eject -f drive-$opt", 0); #force eject if locked
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PVE::QemuServer::vm_monitor_command($vmid, "change drive-$opt \"$path\"", 0) if $path;
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}
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}
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$conf->{$opt} = $param->{$opt};
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PVE::QemuServer::update_config_nolock($vmid, $conf, 1);
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} else { #hdd
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my $settings = { $opt => $param->{$opt} };
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&$create_disks($rpcenv, $authuser, $conf, $storecfg, $vmid, undef, $settings);
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PVE::QemuServer::update_config_nolock($vmid, $conf, 1);
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$conf = PVE::QemuServer::load_config($vmid); # update/reload
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my $newdrive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
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#hotplug new disks
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die "error hotplug $opt" if !PVE::QemuServer::vm_deviceplug($storecfg, $conf, $vmid, $opt, $newdrive);
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}
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&$vmconfig_update_disk($rpcenv, $authuser, $conf, $storecfg, $vmid,
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$opt, $param->{$opt}, $force);
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} elsif (my $net = $net_hash->{$opt}) { #nics
|
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} elsif ($opt =~ m/^net(\d+)$/) { #nics
|
||||
|
||||
#if online update, then unplug first
|
||||
die "error hot-unplug $opt for update" if $conf->{$opt} &&
|
||||
!PVE::QemuServer::vm_deviceunplug($vmid, $conf, $opt);
|
||||
|
||||
$conf->{$opt} = $param->{$opt};
|
||||
PVE::QemuServer::update_config_nolock($vmid, $conf, 1);
|
||||
$conf = PVE::QemuServer::load_config($vmid); # update/reload
|
||||
|
||||
my $newnet = PVE::QemuServer::parse_net($conf->{$opt});
|
||||
|
||||
die "error hotplug $opt" if !PVE::QemuServer::vm_deviceplug($storecfg, $conf, $vmid, $opt, $newnet);
|
||||
&$vmconfig_update_net($rpcenv, $authuser, $conf, $storecfg, $vmid,
|
||||
$opt, $param->{$opt});
|
||||
|
||||
} else {
|
||||
|
||||
|
||||
@ -2225,6 +2225,7 @@ sub vm_devices_list {
|
||||
|
||||
sub vm_deviceplug {
|
||||
my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
|
||||
|
||||
return 1 if !check_running($vmid) || !$conf->{hotplug};
|
||||
|
||||
if ($deviceid =~ m/^(virtio)(\d+)$/) {
|
||||
@ -2272,7 +2273,7 @@ sub vm_deviceunplug {
|
||||
|
||||
return 1 if !check_running ($vmid) || !$conf->{hotplug};
|
||||
|
||||
die "can't unplug bootdisk" if $conf->{bootdisk} eq $deviceid;
|
||||
die "can't unplug bootdisk" if $conf->{bootdisk} && $conf->{bootdisk} eq $deviceid;
|
||||
|
||||
if ($deviceid =~ m/^(virtio)(\d+)$/) {
|
||||
return undef if !qemu_drivedel($vmid, $deviceid);
|
||||
@ -2557,6 +2558,8 @@ sub vm_monitor_command {
|
||||
|
||||
my $fullcmd = "$cmdstr\r";
|
||||
|
||||
# syslog('info', "VM $vmid monitor command: $cmdstr");
|
||||
|
||||
my $b;
|
||||
if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
|
||||
die "monitor write error - $!";
|
||||
|
||||
Loading…
Reference in New Issue
Block a user