]>
Commit | Line | Data |
---|---|---|
3e16d5fc DM |
1 | #!/usr/bin/perl -w |
2 | ||
3 | use strict; | |
4 | use Getopt::Long; | |
5 | use File::Path; | |
6 | use IO::File; | |
a0d1b1a2 | 7 | use PVE::INotify; |
3e16d5fc DM |
8 | use PVE::JSONSchema; |
9 | use PVE::Tools; | |
10 | use PVE::Cluster qw(cfs_read_file); | |
a0d1b1a2 | 11 | use PVE::RPCEnvironment; |
3e16d5fc DM |
12 | use PVE::QemuServer; |
13 | ||
a0d1b1a2 DM |
14 | $ENV{'PATH'} = '/sbin:/bin:/usr/sbin:/usr/bin'; |
15 | ||
16 | die "please run as root\n" if $> != 0; | |
17 | ||
18 | my @std_opts = ('storage=s', 'pool=s', 'info', 'prealloc'); | |
3e16d5fc DM |
19 | |
20 | sub print_usage { | |
a0d1b1a2 | 21 | print STDERR "usage: $0 [--storage=<storeid>] [--pool=<poolid>] [--info] [--prealloc] <archive> <vmid>\n\n"; |
3e16d5fc DM |
22 | } |
23 | ||
24 | my $opts = {}; | |
25 | if (!GetOptions ($opts, @std_opts)) { | |
26 | print_usage (); | |
27 | exit (-1); | |
28 | } | |
29 | ||
a0d1b1a2 DM |
30 | PVE::INotify::inotify_init(); |
31 | ||
32 | my $rpcenv = PVE::RPCEnvironment->init('cli'); | |
33 | ||
34 | $rpcenv->init_request(); | |
35 | $rpcenv->set_language($ENV{LANG}); | |
36 | $rpcenv->set_user('root@pam'); | |
37 | ||
3e16d5fc DM |
38 | sub extract_archive { |
39 | # NOTE: this is run as tar subprocess (--to-command) | |
40 | ||
41 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub { | |
42 | die "interrupted by signal\n"; | |
43 | }; | |
44 | ||
45 | my $filename = $ENV{TAR_FILENAME}; | |
46 | die "got strange environment - no TAR_FILENAME\n" if !$filename; | |
47 | ||
48 | my $filesize = $ENV{TAR_SIZE}; | |
49 | die "got strange file size '$filesize'\n" if !$filesize; | |
50 | ||
51 | my $tmpdir = $ENV{VZDUMP_TMPDIR}; | |
52 | die "got strange environment - no VZDUMP_TMPDIR\n" if !$tmpdir; | |
53 | ||
54 | my $filetype = $ENV{TAR_FILETYPE} || 'none'; | |
55 | die "got strange filetype '$filetype'\n" if $filetype ne 'f'; | |
56 | ||
57 | my $vmid = $ENV{VZDUMP_VMID}; | |
58 | PVE::JSONSchema::pve_verify_vmid($vmid); | |
59 | ||
a0d1b1a2 DM |
60 | my $user = $ENV{VZDUMP_USER}; |
61 | $rpcenv->check_user_enabled($user); | |
62 | ||
3e16d5fc DM |
63 | if ($opts->{info}) { |
64 | print STDERR "reading archive member '$filename'\n"; | |
65 | } else { | |
66 | print STDERR "extracting '$filename' from archive\n"; | |
67 | } | |
68 | ||
69 | my $conffile = "$tmpdir/qemu-server.conf"; | |
70 | my $statfile = "$tmpdir/qmrestore.stat"; | |
71 | ||
72 | if ($filename eq 'qemu-server.conf') { | |
73 | my $outfd = IO::File->new($conffile, "w") || | |
74 | die "unable to write file '$conffile'\n"; | |
75 | ||
76 | while (defined(my $line = <>)) { | |
77 | print $outfd $line; | |
78 | print STDERR "CONFIG: $line" if $opts->{info}; | |
79 | } | |
80 | ||
81 | $outfd->close(); | |
82 | ||
83 | exit(0); | |
84 | } | |
85 | ||
86 | if ($opts->{info}) { | |
87 | exec 'dd', 'bs=256K', "of=/dev/null"; | |
88 | die "couldn't exec dd: $!\n"; | |
89 | } | |
90 | ||
91 | my $conffd = IO::File->new($conffile, "r") || | |
92 | die "unable to read file '$conffile'\n"; | |
93 | ||
94 | my $map; | |
95 | while (defined(my $line = <$conffd>)) { | |
96 | if ($line =~ m/^\#vzdump\#map:(\S+):(\S+):(\d+):(\S*):$/) { | |
97 | $map->{$2} = { virtdev => $1, size => $3, storeid => $4 }; | |
98 | } | |
99 | } | |
100 | close($conffd); | |
101 | ||
102 | my $statfd = IO::File->new($statfile, "a") || | |
103 | die "unable to open file '$statfile'\n"; | |
104 | ||
105 | if ($filename !~ m/^.*\.([^\.]+)$/){ | |
106 | die "got strange filename '$filename'\n"; | |
107 | } | |
108 | my $format = $1; | |
109 | ||
110 | my $path; | |
111 | ||
112 | if (!$map) { | |
113 | print STDERR "restoring old style vzdump archive - " . | |
114 | "no device map inside archive\n"; | |
115 | die "can't restore old style archive to storage '$opts->{storage}'\n" | |
a0d1b1a2 | 116 | if defined($opts->{storage}) && $opts->{storage} ne 'local'; |
3e16d5fc DM |
117 | |
118 | my $dir = "/var/lib/vz/images/$vmid"; | |
119 | mkpath $dir; | |
120 | ||
121 | $path = "$dir/$filename"; | |
122 | ||
123 | print $statfd "vzdump::$path\n"; | |
124 | $statfd->close(); | |
125 | ||
126 | } else { | |
127 | ||
128 | my $info = $map->{$filename}; | |
129 | die "no vzdump info for '$filename'\n" if !$info; | |
130 | ||
131 | if ($filename !~ m/^vm-disk-$info->{virtdev}\.([^\.]+)$/){ | |
132 | die "got strange filename '$filename'\n"; | |
133 | } | |
134 | ||
135 | if ($filesize != $info->{size}) { | |
136 | die "detected size difference for '$filename' " . | |
137 | "($filesize != $info->{size})\n"; | |
138 | } | |
139 | ||
a0d1b1a2 DM |
140 | # check permission for all used storages |
141 | my $pool = $opts->{pool}; | |
142 | if ($user ne 'root@pam') { | |
143 | if (defined($opts->{storage})) { | |
144 | my $sid = $opts->{storage} || 'local'; | |
fcbb753e | 145 | $rpcenv->check($user, "/storage/$sid", ['Datastore.AllocateSpace']); |
a0d1b1a2 DM |
146 | } else { |
147 | foreach my $fn (keys %$map) { | |
148 | my $fi = $map->{$fn}; | |
149 | my $sid = $fi->{storeid} || 'local'; | |
fcbb753e | 150 | $rpcenv->check($user, "/storage/$sid", ['Datastore.AllocateSpace']); |
a0d1b1a2 DM |
151 | } |
152 | } | |
153 | } | |
154 | ||
3e16d5fc | 155 | my $storeid; |
a0d1b1a2 DM |
156 | if (defined($opts->{storage})) { |
157 | $storeid = $opts->{storage} || 'local'; | |
3e16d5fc DM |
158 | } else { |
159 | $storeid = $info->{storeid} || 'local'; | |
160 | } | |
161 | ||
162 | my $cfg = cfs_read_file('storage.cfg'); | |
163 | my $scfg = PVE::Storage::storage_config($cfg, $storeid); | |
164 | ||
445f06cd | 165 | my $alloc_size = int(($filesize + 1024 - 1)/1024); |
3e16d5fc DM |
166 | if ($scfg->{type} eq 'dir' || $scfg->{type} eq 'nfs') { |
167 | # hack: we just alloc a small file (32K) - we overwrite it anyways | |
168 | $alloc_size = 32; | |
169 | } else { | |
170 | die "unable to restore '$filename' to storage '$storeid'\n" . | |
171 | "storage type '$scfg->{type}' does not support format '$format\n" | |
172 | if $format ne 'raw'; | |
173 | } | |
174 | ||
175 | my $volid = PVE::Storage::vdisk_alloc($cfg, $storeid, $vmid, | |
176 | $format, undef, $alloc_size); | |
177 | ||
178 | print STDERR "new volume ID is '$volid'\n"; | |
179 | ||
180 | print $statfd "vzdump:$info->{virtdev}:$volid\n"; | |
181 | $statfd->close(); | |
182 | ||
183 | $path = PVE::Storage::path($cfg, $volid); | |
184 | } | |
185 | ||
186 | print STDERR "restore data to '$path' ($filesize bytes)\n"; | |
187 | ||
188 | if ($opts->{prealloc} || $format ne 'raw' || (-b $path)) { | |
189 | exec 'dd', 'ibs=256K', 'obs=256K', "of=$path"; | |
190 | die "couldn't exec dd: $!\n"; | |
191 | } else { | |
192 | exec '/usr/lib/qemu-server/sparsecp', $path; | |
193 | die "couldn't exec sparsecp: $!\n"; | |
194 | } | |
195 | } | |
196 | ||
197 | ||
198 | if (scalar(@ARGV) == 2) { | |
199 | my $archive = shift; | |
200 | my $vmid = shift; | |
201 | ||
202 | # fixme: use API call | |
203 | PVE::JSONSchema::pve_verify_vmid($vmid); | |
204 | ||
205 | PVE::Cluster::check_cfs_quorum(); | |
206 | ||
a0d1b1a2 | 207 | PVE::QemuServer::restore_archive($archive, $vmid, 'root@pam', $opts); |
3e16d5fc DM |
208 | |
209 | } elsif (scalar(@ARGV) == 0 && $ENV{TAR_FILENAME}) { | |
210 | extract_archive(); | |
211 | } else { | |
212 | print_usage (); | |
213 | exit(-1); | |
214 | } | |
215 | ||
216 | exit(0); | |
217 | ||
218 |