mirror of
https://git.proxmox.com/git/qemu-server
synced 2025-04-29 10:29:35 +00:00
743 lines
18 KiB
Perl
743 lines
18 KiB
Perl
package PVE::API2::Qemu;
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use strict;
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use warnings;
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use PVE::Cluster;
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use PVE::SafeSyslog;
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use PVE::Tools qw(extract_param);
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use PVE::Exception qw(raise raise_param_exc);
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use PVE::Storage;
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use PVE::JSONSchema qw(get_standard_option);
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use PVE::RESTHandler;
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use PVE::QemuServer;
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use PVE::RPCEnvironment;
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use PVE::AccessControl;
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use PVE::INotify;
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use Data::Dumper; # fixme: remove
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use base qw(PVE::RESTHandler);
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my $opt_force_description = "Force physical removal. Without this, we simple remove the disk from the config file and create an additional configuration entry called 'unused[n]', which contains the volume ID. Unlink of unused[n] always cause physical removal.";
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my $resolve_cdrom_alias = sub {
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my $param = shift;
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if (my $value = $param->{cdrom}) {
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$value .= ",media=cdrom" if $value !~ m/media=/;
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$param->{ide2} = $value;
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delete $param->{cdrom};
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}
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};
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__PACKAGE__->register_method({
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name => 'vmlist',
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path => '',
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method => 'GET',
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description => "Virtual machine index (per node).",
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proxyto => 'node',
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protected => 1, # qemu pid files are only readable by root
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parameters => {
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additionalProperties => 0,
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properties => {
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node => get_standard_option('pve-node'),
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},
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},
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returns => {
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type => 'array',
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items => {
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type => "object",
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properties => {},
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},
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links => [ { rel => 'child', href => "{vmid}" } ],
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},
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code => sub {
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my ($param) = @_;
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my $vmstatus = PVE::QemuServer::vmstatus();
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return PVE::RESTHandler::hash_to_array($vmstatus, 'vmid');
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}});
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__PACKAGE__->register_method({
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name => 'create_vm',
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path => '',
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method => 'POST',
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description => "Create new virtual machine.",
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protected => 1,
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proxyto => 'node',
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parameters => {
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additionalProperties => 0,
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properties => PVE::QemuServer::json_config_properties(
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{
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node => get_standard_option('pve-node'),
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vmid => get_standard_option('pve-vmid'),
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}),
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},
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returns => { type => 'null'},
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code => sub {
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my ($param) = @_;
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my $node = extract_param($param, 'node');
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# fixme: fork worker?
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my $vmid = extract_param($param, 'vmid');
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my $filename = PVE::QemuServer::config_file($vmid);
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# first test (befor locking)
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die "unable to create vm $vmid: config file already exists\n"
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if -f $filename;
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my $storecfg = PVE::Storage::config();
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&$resolve_cdrom_alias($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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raise_param_exc({ $opt => "unable to parse drive options" }) if !$drive;
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PVE::QemuServer::cleanup_drive_path($opt, $storecfg, $drive);
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$param->{$opt} = PVE::QemuServer::print_drive($vmid, $drive);
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}
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}
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PVE::QemuServer::add_random_macs($param);
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#fixme: ? syslog ('info', "VM $vmid creating new virtual machine");
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my $vollist = [];
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my $createfn = sub {
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# second test (after locking test is accurate)
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die "unable to create vm $vmid: config file already exists\n"
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if -f $filename;
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$vollist = PVE::QemuServer::create_disks($storecfg, $vmid, $param);
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# try to be smart about bootdisk
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my @disks = PVE::QemuServer::disknames();
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my $firstdisk;
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foreach my $ds (reverse @disks) {
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next if !$param->{$ds};
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my $disk = PVE::QemuServer::parse_drive($ds, $param->{$ds});
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next if PVE::QemuServer::drive_is_cdrom($disk);
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$firstdisk = $ds;
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}
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if (!$param->{bootdisk} && $firstdisk) {
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$param->{bootdisk} = $firstdisk;
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}
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PVE::QemuServer::create_conf_nolock($vmid, $param);
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};
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eval { PVE::QemuServer::lock_config($vmid, $createfn); };
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my $err = $@;
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if ($err) {
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foreach my $volid (@$vollist) {
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eval { PVE::Storage::vdisk_free($storecfg, $volid); };
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warn $@ if $@;
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}
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die "create failed - $err";
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}
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return undef;
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}});
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__PACKAGE__->register_method({
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name => 'vmdiridx',
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path => '{vmid}',
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method => 'GET',
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proxyto => 'node',
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description => "Directory index",
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parameters => {
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additionalProperties => 0,
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properties => {
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node => get_standard_option('pve-node'),
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vmid => get_standard_option('pve-vmid'),
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},
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},
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returns => {
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type => 'array',
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items => {
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type => "object",
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properties => {
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subdir => { type => 'string' },
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},
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},
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links => [ { rel => 'child', href => "{subdir}" } ],
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},
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code => sub {
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my ($param) = @_;
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my $res = [
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{ subdir => 'config' },
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{ subdir => 'status' },
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{ subdir => 'unlink' },
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{ subdir => 'vncproxy' },
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{ subdir => 'rrd' },
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{ subdir => 'rrddata' },
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];
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return $res;
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}});
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__PACKAGE__->register_method({
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name => 'rrd',
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path => '{vmid}/rrd',
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method => 'GET',
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protected => 1, # fixme: can we avoid that?
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permissions => {
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path => '/vms/{vmid}',
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privs => [ 'VM.Audit' ],
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},
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description => "Read VM RRD statistics (returns PNG)",
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parameters => {
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additionalProperties => 0,
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properties => {
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node => get_standard_option('pve-node'),
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vmid => get_standard_option('pve-vmid'),
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timeframe => {
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description => "Specify the time frame you are interested in.",
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type => 'string',
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enum => [ 'hour', 'day', 'week', 'month', 'year' ],
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},
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ds => {
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description => "The list of datasources you want to display.",
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type => 'string', format => 'pve-configid-list',
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},
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cf => {
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description => "The RRD consolidation function",
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type => 'string',
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enum => [ 'AVERAGE', 'MAX' ],
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optional => 1,
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},
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},
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},
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returns => {
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type => "object",
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properties => {
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filename => { type => 'string' },
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},
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},
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code => sub {
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my ($param) = @_;
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return PVE::Cluster::create_rrd_graph(
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"pve2-vm/$param->{vmid}", $param->{timeframe},
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$param->{ds}, $param->{cf});
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}});
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__PACKAGE__->register_method({
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name => 'rrddata',
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path => '{vmid}/rrddata',
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method => 'GET',
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protected => 1, # fixme: can we avoid that?
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permissions => {
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path => '/vms/{vmid}',
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privs => [ 'VM.Audit' ],
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},
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description => "Read VM RRD statistics",
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parameters => {
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additionalProperties => 0,
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properties => {
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node => get_standard_option('pve-node'),
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vmid => get_standard_option('pve-vmid'),
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timeframe => {
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description => "Specify the time frame you are interested in.",
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type => 'string',
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enum => [ 'hour', 'day', 'week', 'month', 'year' ],
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},
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cf => {
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description => "The RRD consolidation function",
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type => 'string',
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enum => [ 'AVERAGE', 'MAX' ],
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optional => 1,
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},
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},
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},
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returns => {
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type => "array",
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items => {
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type => "object",
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properties => {},
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},
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},
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code => sub {
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my ($param) = @_;
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return PVE::Cluster::create_rrd_data(
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"pve2-vm/$param->{vmid}", $param->{timeframe}, $param->{cf});
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}});
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__PACKAGE__->register_method({
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name => 'vm_config',
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path => '{vmid}/config',
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method => 'GET',
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proxyto => 'node',
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description => "Get virtual machine configuration.",
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parameters => {
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additionalProperties => 0,
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properties => {
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node => get_standard_option('pve-node'),
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vmid => get_standard_option('pve-vmid'),
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},
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},
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returns => {
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type => "object",
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properties => {},
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},
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code => sub {
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my ($param) = @_;
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my $conf = PVE::QemuServer::load_config($param->{vmid});
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return $conf;
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}});
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__PACKAGE__->register_method({
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name => 'update_vm',
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path => '{vmid}/config',
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method => 'PUT',
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protected => 1,
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proxyto => 'node',
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description => "Set virtual machine options.",
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parameters => {
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additionalProperties => 0,
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properties => PVE::QemuServer::json_config_properties(
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{
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node => get_standard_option('pve-node'),
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vmid => get_standard_option('pve-vmid'),
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skiplock => {
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description => "Ignore locks - only root is allowed to use this option.",
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type => 'boolean',
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optional => 1,
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},
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delete => {
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type => 'string', format => 'pve-configid-list',
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description => "A list of settings you want to delete.",
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optional => 1,
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},
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force => {
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type => 'boolean',
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description => $opt_force_description,
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optional => 1,
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requires => 'delete',
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},
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}),
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},
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returns => { type => 'null'},
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code => sub {
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my ($param) = @_;
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my $rpcenv = PVE::RPCEnvironment::get();
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my $user = $rpcenv->get_user();
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my $node = extract_param($param, 'node');
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# fixme: fork worker?
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my $vmid = extract_param($param, 'vmid');
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my $skiplock = extract_param($param, 'skiplock');
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raise_param_exc({ skiplock => "Only root may use this option." }) if $user ne 'root@pam';
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my $delete = extract_param($param, 'delete');
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my $force = extract_param($param, 'force');
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die "no options specified\n" if !$delete && !scalar(keys %$param);
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my $storecfg = PVE::Storage::config();
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&$resolve_cdrom_alias($param);
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my $eject = {};
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my $cdchange = {};
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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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raise_param_exc({ $opt => "unable to parse drive options" }) if !$drive;
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if ($drive->{file} eq 'eject') {
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$eject->{$opt} = 1;
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delete $param->{$opt};
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next;
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}
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PVE::QemuServer::cleanup_drive_path($opt, $storecfg, $drive);
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$param->{$opt} = PVE::QemuServer::print_drive($vmid, $drive);
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if (PVE::QemuServer::drive_is_cdrom($drive)) {
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$cdchange->{$opt} = PVE::QemuServer::get_iso_path($storecfg, $vmid, $drive->{file});
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}
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}
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}
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foreach my $opt (PVE::Tools::split_list($delete)) {
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$opt = 'ide2' if $opt eq 'cdrom';
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die "you can't use '-$opt' and '-delete $opt' at the same time\n"
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if defined($param->{$opt});
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}
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PVE::QemuServer::add_random_macs($param);
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my $vollist = [];
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my $updatefn = sub {
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my $conf = PVE::QemuServer::load_config($vmid);
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PVE::QemuServer::check_lock($conf) if !$skiplock;
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foreach my $opt (keys %$eject) {
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if ($conf->{$opt}) {
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my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
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$cdchange->{$opt} = undef if PVE::QemuServer::drive_is_cdrom($drive);
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} else {
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raise_param_exc({ $opt => "eject failed - drive does not exist." });
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}
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}
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foreach my $opt (keys %$param) {
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next if !PVE::QemuServer::valid_drivename($opt);
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next if !$conf->{$opt};
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my $old_drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
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next if PVE::QemuServer::drive_is_cdrom($old_drive);
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my $new_drive = PVE::QemuServer::parse_drive($opt, $param->{$opt});
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if ($new_drive->{file} ne $old_drive->{file}) {
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my ($path, $owner);
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eval { ($path, $owner) = PVE::Storage::path($storecfg, $old_drive->{file}); };
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if ($owner && ($owner == $vmid)) {
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PVE::QemuServer::add_unused_volume($conf, $param, $old_drive->{file});
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}
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}
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}
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my $unset = {};
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foreach my $opt (PVE::Tools::split_list($delete)) {
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$opt = 'ide2' if $opt eq 'cdrom';
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if (!PVE::QemuServer::option_exists($opt)) {
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raise_param_exc({ delete => "unknown option '$opt'" });
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}
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next if !defined($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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if (PVE::QemuServer::drive_is_cdrom($drive)) {
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$cdchange->{$opt} = undef;
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} else {
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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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push @$vollist, $volid;
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} else {
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PVE::QemuServer::add_unused_volume($conf, $param, $volid);
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}
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}
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}
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}
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} elsif ($opt =~ m/^unused/) {
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push @$vollist, $conf->{$opt};
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}
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$unset->{$opt} = 1;
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}
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PVE::QemuServer::create_disks($storecfg, $vmid, $param);
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PVE::QemuServer::change_config_nolock($vmid, $param, $unset, 1);
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return if !PVE::QemuServer::check_running($vmid);
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foreach my $opt (keys %$cdchange) {
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my $qdn = PVE::QemuServer::qemu_drive_name($opt, 'cdrom');
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my $path = $cdchange->{$opt};
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PVE::QemuServer::vm_monitor_command($vmid, "eject $qdn", 0);
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PVE::QemuServer::vm_monitor_command($vmid, "change $qdn \"$path\"", 0) if $path;
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}
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};
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PVE::QemuServer::lock_config($vmid, $updatefn);
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foreach my $volid (@$vollist) {
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eval { PVE::Storage::vdisk_free($storecfg, $volid); };
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# fixme: log ?
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warn $@ if $@;
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}
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return undef;
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}});
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__PACKAGE__->register_method({
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name => 'destroy_vm',
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path => '{vmid}',
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method => 'DELETE',
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protected => 1,
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proxyto => 'node',
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description => "Destroy the vm (also delete all used/owned volumes).",
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parameters => {
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additionalProperties => 0,
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properties => {
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node => get_standard_option('pve-node'),
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vmid => get_standard_option('pve-vmid'),
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},
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},
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returns => { type => 'null' },
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code => sub {
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my ($param) = @_;
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my $rpcenv = PVE::RPCEnvironment::get();
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my $user = $rpcenv->get_user();
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my $vmid = $param->{vmid};
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my $skiplock = $param->{skiplock};
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raise_param_exc({ skiplock => "Only root may use this option." })
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if $user ne 'root@pam';
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my $storecfg = PVE::Storage::config();
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PVE::QemuServer::vm_destroy($storecfg, $vmid, $skiplock);
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return undef;
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}});
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__PACKAGE__->register_method({
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name => 'unlink',
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path => '{vmid}/unlink',
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method => 'PUT',
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protected => 1,
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proxyto => 'node',
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description => "Unlink/delete disk images.",
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parameters => {
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additionalProperties => 0,
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properties => {
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node => get_standard_option('pve-node'),
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vmid => get_standard_option('pve-vmid'),
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idlist => {
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type => 'string', format => 'pve-configid-list',
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description => "A list of disk IDs you want to delete.",
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},
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force => {
|
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type => 'boolean',
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description => $opt_force_description,
|
|
optional => 1,
|
|
},
|
|
},
|
|
},
|
|
returns => { type => 'null'},
|
|
code => sub {
|
|
my ($param) = @_;
|
|
|
|
$param->{delete} = extract_param($param, 'idlist');
|
|
|
|
__PACKAGE__->update_vm($param);
|
|
|
|
return undef;
|
|
}});
|
|
|
|
my $sslcert;
|
|
|
|
__PACKAGE__->register_method({
|
|
name => 'vncproxy',
|
|
path => '{vmid}/vncproxy',
|
|
method => 'POST',
|
|
protected => 1,
|
|
permissions => {
|
|
path => '/vms/{vmid}',
|
|
privs => [ 'VM.Console' ],
|
|
},
|
|
description => "Creates a TCP VNC proxy connections.",
|
|
parameters => {
|
|
additionalProperties => 0,
|
|
properties => {
|
|
node => get_standard_option('pve-node'),
|
|
vmid => get_standard_option('pve-vmid'),
|
|
},
|
|
},
|
|
returns => {
|
|
additionalProperties => 0,
|
|
properties => {
|
|
user => { type => 'string' },
|
|
ticket => { type => 'string' },
|
|
cert => { type => 'string' },
|
|
port => { type => 'integer' },
|
|
upid => { type => 'string' },
|
|
},
|
|
},
|
|
code => sub {
|
|
my ($param) = @_;
|
|
|
|
my $rpcenv = PVE::RPCEnvironment::get();
|
|
|
|
my $user = $rpcenv->get_user();
|
|
my $ticket = PVE::AccessControl::assemble_ticket($user);
|
|
|
|
my $vmid = $param->{vmid};
|
|
my $node = $param->{node};
|
|
|
|
$sslcert = PVE::Tools::file_get_contents("/etc/pve/pve-root-ca.pem", 8192)
|
|
if !$sslcert;
|
|
|
|
my $port = PVE::Tools::next_vnc_port();
|
|
|
|
my $remip;
|
|
|
|
if ($node ne PVE::INotify::nodename()) {
|
|
$remip = PVE::Cluster::remote_node_ip($node);
|
|
}
|
|
|
|
# NOTE: kvm VNC traffic is already TLS encrypted,
|
|
# so we select the fastest chipher here (or 'none'?)
|
|
my $remcmd = $remip ? ['/usr/bin/ssh', '-T', '-o', 'BatchMode=yes',
|
|
'-c', 'blowfish-cbc', $remip] : [];
|
|
|
|
my $timeout = 10;
|
|
|
|
my $realcmd = sub {
|
|
my $upid = shift;
|
|
|
|
syslog('info', "starting vnc proxy $upid\n");
|
|
|
|
my $qmcmd = [@$remcmd, "/usr/sbin/qm", 'vncproxy', $vmid];
|
|
|
|
my $qmstr = join(' ', @$qmcmd);
|
|
|
|
# also redirect stderr (else we get RFB protocol errors)
|
|
my @cmd = ('/bin/nc', '-l', '-p', $port, '-w', $timeout, '-c', "$qmstr 2>/dev/null");
|
|
|
|
my $cmdstr = join(' ', @cmd);
|
|
syslog('info', "CMD3: $cmdstr");
|
|
|
|
if (system(@cmd) != 0) {
|
|
my $msg = "VM $vmid vnc proxy failed - $?";
|
|
syslog('err', $msg);
|
|
return;
|
|
}
|
|
|
|
return;
|
|
};
|
|
|
|
my $upid = $rpcenv->fork_worker('vncproxy', $vmid, $user, $realcmd);
|
|
|
|
return {
|
|
user => $user,
|
|
ticket => $ticket,
|
|
port => $port,
|
|
upid => $upid,
|
|
cert => $sslcert,
|
|
};
|
|
}});
|
|
|
|
__PACKAGE__->register_method({
|
|
name => 'vm_status',
|
|
path => '{vmid}/status',
|
|
method => 'GET',
|
|
proxyto => 'node',
|
|
protected => 1, # qemu pid files are only readable by root
|
|
description => "Get virtual machine status.",
|
|
parameters => {
|
|
additionalProperties => 0,
|
|
properties => {
|
|
node => get_standard_option('pve-node'),
|
|
vmid => get_standard_option('pve-vmid'),
|
|
},
|
|
},
|
|
returns => { type => 'object' },
|
|
code => sub {
|
|
my ($param) = @_;
|
|
|
|
# test if VM exists
|
|
my $conf = PVE::QemuServer::load_config($param->{vmid});
|
|
|
|
my $vmstatus = PVE::QemuServer::vmstatus($param->{vmid});
|
|
|
|
return $vmstatus->{$param->{vmid}};
|
|
}});
|
|
|
|
__PACKAGE__->register_method({
|
|
name => 'vm_command',
|
|
path => '{vmid}/status',
|
|
method => 'PUT',
|
|
protected => 1,
|
|
proxyto => 'node',
|
|
description => "Set virtual machine status.",
|
|
parameters => {
|
|
additionalProperties => 0,
|
|
properties => {
|
|
node => get_standard_option('pve-node'),
|
|
vmid => get_standard_option('pve-vmid'),
|
|
skiplock => {
|
|
description => "Ignore locks - only root is allowed to use this option.",
|
|
type => 'boolean',
|
|
optional => 1,
|
|
},
|
|
command => {
|
|
type => 'string',
|
|
enum => [qw(start stop reset shutdown cad suspend resume) ],
|
|
},
|
|
},
|
|
},
|
|
returns => { type => 'null'},
|
|
code => sub {
|
|
my ($param) = @_;
|
|
|
|
my $rpcenv = PVE::RPCEnvironment::get();
|
|
|
|
my $user = $rpcenv->get_user();
|
|
|
|
my $node = extract_param($param, 'node');
|
|
|
|
# fixme: proxy to correct node
|
|
# fixme: fork worker?
|
|
|
|
my $vmid = extract_param($param, 'vmid');
|
|
|
|
my $skiplock = extract_param($param, 'skiplock');
|
|
raise_param_exc({ skiplock => "Only root may use this option." })
|
|
if $user ne 'root@pam';
|
|
|
|
my $command = $param->{command};
|
|
|
|
my $storecfg = PVE::Storage::config();
|
|
|
|
if ($command eq 'start') {
|
|
my $statefile = undef; # fixme: --incoming parameter
|
|
PVE::QemuServer::vm_start($storecfg, $vmid, $statefile, $skiplock);
|
|
} elsif ($command eq 'stop') {
|
|
PVE::QemuServer::vm_stop($vmid, $skiplock);
|
|
} elsif ($command eq 'reset') {
|
|
PVE::QemuServer::vm_reset($vmid, $skiplock);
|
|
} elsif ($command eq 'shutdown') {
|
|
PVE::QemuServer::vm_shutdown($vmid, $skiplock);
|
|
} elsif ($command eq 'suspend') {
|
|
PVE::QemuServer::vm_suspend($vmid, $skiplock);
|
|
} elsif ($command eq 'resume') {
|
|
PVE::QemuServer::vm_resume($vmid, $skiplock);
|
|
} elsif ($command eq 'cad') {
|
|
PVE::QemuServer::vm_cad($vmid, $skiplock);
|
|
} else {
|
|
raise_param_exc({ command => "unknown command '$command'" })
|
|
}
|
|
|
|
return undef;
|
|
}});
|
|
|
|
|
|
1;
|