use strict;
use Sys::Guestfs;
+use Sys::Guestfs::Lib qw(open_guest get_partitions resolve_windows_path
+ inspect_all_partitions inspect_partition
+ inspect_operating_systems mount_operating_system inspect_in_detail);
use Pod::Usage;
use Getopt::Long;
use Data::Dumper;
-use File::Temp qw/tempdir/;
+use XML::Writer;
+use Locale::TextDomain 'libguestfs';
# Optional:
-eval "use Sys::Virt;";
-eval "use XML::XPath;";
-eval "use XML::XPath::XMLParser;";
+eval "use YAML::Any;";
=encoding utf8
=cut
+my $version;
+
+=item B<--version>
+
+Display version number and exit.
+
+=cut
+
my $uri;
=item B<--connect URI> | B<-c URI>
=cut
-my $force;
-
-=item B<--force>
-
-Force reading a particular guest even if it appears to be active. In
-earlier versions of virt-inspector, this could be dangerous (for
-example, corrupting the guest's disk image). However in more recent
-versions, it should not cause corruption, but might cause
-virt-inspector to crash or produce incorrect results.
-
-=cut
-
my $output = "text";
=back
If you select I<--xml> then you get XML output which can be fed
to other programs.
+=item B<--yaml>
+
+If you select I<--yaml> then you get YAML output which can be fed
+to other programs.
+
=item B<--perl>
If you select I<--perl> then you get Perl structures output which
=cut
GetOptions ("help|?" => \$help,
+ "version" => \$version,
"connect|c=s" => \$uri,
- "force" => \$force,
"text" => sub { $output = "text" },
"none" => sub { $output = "none" },
"xml" => sub { $output = "xml" },
+ "yaml" => sub { $output = "yaml" },
"perl" => sub { $output = "perl" },
"fish" => sub { $output = "fish" },
"guestfish" => sub { $output = "fish" },
"windows-registry" => \$windows_registry,
) or pod2usage (2);
pod2usage (1) if $help;
-pod2usage ("$0: no image or VM names given") if @ARGV == 0;
-
-# Domain name or guest image(s)?
+if ($version) {
+ my $g = Sys::Guestfs->new ();
+ my %h = $g->version ();
+ print "$h{major}.$h{minor}.$h{release}$h{extra}\n";
+ exit
+}
+pod2usage (__"virt-inspector: no image or VM names given") if @ARGV == 0;
+my $rw = 0;
+$rw = 1 if $output eq "fish";
+my $g;
my @images;
-if (-e $ARGV[0]) {
- @images = @ARGV;
-
- foreach (@images) {
- if (! -r $_) {
- die "guest image $_ does not exist or is not readable\n"
- }
- }
+if ($uri) {
+ my ($conn, $dom);
+ ($g, $conn, $dom, @images) =
+ open_guest (\@ARGV, rw => $rw, address => $uri);
} else {
- die "no libvirt support (install Sys::Virt)"
- unless exists $INC{"Sys/Virt.pm"};
-
- pod2usage ("$0: too many domains listed on command line") if @ARGV > 1;
-
- my $vmm;
- if (defined $uri) {
- $vmm = Sys::Virt->new (uri => $uri, readonly => 1);
- } else {
- $vmm = Sys::Virt->new (readonly => 1);
- }
- die "cannot connect to libvirt $uri\n" unless $vmm;
-
- my @doms = $vmm->list_defined_domains ();
- my $dom;
- foreach (@doms) {
- if ($_->get_name () eq $ARGV[0]) {
- $dom = $_;
- last;
- }
- }
- die "$ARGV[0] is not the name of an inactive libvirt domain\n"
- unless $dom;
-
- # Get the names of the image(s).
- my $xml = $dom->get_xml_description ();
-
- my $p = XML::XPath->new (xml => $xml);
- my @disks = $p->findnodes ('//devices/disk/source/@dev');
- @images = map { $_->getData } @disks;
+ my ($conn, $dom);
+ ($g, $conn, $dom, @images) =
+ open_guest (\@ARGV, rw => $rw);
}
-# We've now got the list of @images, so feed them to libguestfs.
-my $g = Sys::Guestfs->new ();
-$g->add_drive_ro ($_) foreach @images;
$g->launch ();
$g->wait_ready ();
-# We want to get the list of LVs and partitions (ie. anything that
-# could contain a filesystem). Discard any partitions which are PVs.
-my @partitions = $g->list_partitions ();
-my @pvs = $g->pvs ();
-sub is_pv {
- my $t = shift;
- foreach (@pvs) {
- return 1 if $_ eq $t;
- }
- 0;
-}
-@partitions = grep { ! is_pv ($_) } @partitions;
-
-my @lvs = $g->lvs ();
-
=head1 OUTPUT FORMAT
Operating system(s)
=cut
# List of possible filesystems.
-my @devices = sort (@lvs, @partitions);
+my @partitions = get_partitions ($g);
# Now query each one to build up a picture of what's in it.
-my %fses = map { $_ => check_fs ($_) } @devices;
-
-# Now the complex checking code itself.
-# check_fs takes a device name (LV or partition name) and returns
-# a hashref containing everything we can find out about the device.
-sub check_fs {
- local $_;
- my $dev = shift; # LV or partition name.
-
- my %r; # Result hash.
-
- # First try 'file(1)' on it.
- my $file = $g->file ($dev);
- if ($file =~ /ext2 filesystem data/) {
- $r{fstype} = "ext2";
- $r{fsos} = "linux";
- } elsif ($file =~ /ext3 filesystem data/) {
- $r{fstype} = "ext3";
- $r{fsos} = "linux";
- } elsif ($file =~ /ext4 filesystem data/) {
- $r{fstype} = "ext4";
- $r{fsos} = "linux";
- } elsif ($file =~ m{Linux/i386 swap file}) {
- $r{fstype} = "swap";
- $r{fsos} = "linux";
- $r{is_swap} = 1;
- }
-
- # If it's ext2/3/4, then we want the UUID and label.
- if (exists $r{fstype} && $r{fstype} =~ /^ext/) {
- $r{uuid} = $g->get_e2uuid ($dev);
- $r{label} = $g->get_e2label ($dev);
- }
-
- # Try mounting it, fnarrr.
- if (!$r{is_swap}) {
- $r{is_mountable} = 1;
- eval { $g->mount_ro ($dev, "/") };
- if ($@) {
- # It's not mountable, probably empty or some format
- # we don't understand.
- $r{is_mountable} = 0;
- goto OUT;
- }
-
- # Grub /boot?
- if ($g->is_file ("/grub/menu.lst") ||
- $g->is_file ("/grub/grub.conf")) {
- $r{content} = "linux-grub";
- check_grub (\%r);
- goto OUT;
- }
-
- # Linux root?
- if ($g->is_dir ("/etc") && $g->is_dir ("/bin") &&
- $g->is_file ("/etc/fstab")) {
- $r{content} = "linux-root";
- $r{is_root} = 1;
- check_linux_root (\%r);
- goto OUT;
- }
-
- # Linux /usr/local.
- if ($g->is_dir ("/etc") && $g->is_dir ("/bin") &&
- $g->is_dir ("/share") && !$g->exists ("/local") &&
- !$g->is_file ("/etc/fstab")) {
- $r{content} = "linux-usrlocal";
- goto OUT;
- }
-
- # Linux /usr.
- if ($g->is_dir ("/etc") && $g->is_dir ("/bin") &&
- $g->is_dir ("/share") && $g->exists ("/local") &&
- !$g->is_file ("/etc/fstab")) {
- $r{content} = "linux-usr";
- goto OUT;
- }
-
- # Windows root?
- if ($g->is_file ("/AUTOEXEC.BAT") ||
- $g->is_file ("/autoexec.bat") ||
- $g->is_dir ("/Program Files") ||
- $g->is_dir ("/WINDOWS") ||
- $g->is_file ("/boot.ini") ||
- $g->is_file ("/ntldr")) {
- $r{fstype} = "ntfs"; # XXX this is a guess
- $r{fsos} = "windows";
- $r{content} = "windows-root";
- $r{is_root} = 1;
- check_windows_root (\%r);
- goto OUT;
- }
- }
-
- OUT:
- $g->umount_all ();
- return \%r;
-}
-
-sub check_linux_root
-{
- local $_;
- my $r = shift;
-
- # Look into /etc to see if we recognise the operating system.
- if ($g->is_file ("/etc/redhat-release")) {
- $_ = $g->cat ("/etc/redhat-release");
- if (/Fedora release (\d+\.\d+)/) {
- $r->{osdistro} = "fedora";
- $r->{osversion} = "$1"
- } elsif (/(Red Hat Enterprise Linux|CentOS|Scientific Linux).*release (\d+).*Update (\d+)/) {
- $r->{osdistro} = "redhat";
- $r->{osversion} = "$2.$3";
- } elsif (/(Red Hat Enterprise Linux|CentOS|Scientific Linux).*release (\d+(?:\.(\d+))?)/) {
- $r->{osdistro} = "redhat";
- $r->{osversion} = "$2";
- } else {
- $r->{osdistro} = "redhat";
- }
- } elsif ($g->is_file ("/etc/debian_version")) {
- $_ = $g->cat ("/etc/debian_version");
- if (/(\d+\.\d+)/) {
- $r->{osdistro} = "debian";
- $r->{osversion} = "$1";
- } else {
- $r->{osdistro} = "debian";
- }
- }
-
- # Parse the contents of /etc/fstab. This is pretty vital so
- # we can determine where filesystems are supposed to be mounted.
- eval "\$_ = \$g->cat ('/etc/fstab');";
- if (!$@ && $_) {
- my @lines = split /\n/;
- my @fstab;
- foreach (@lines) {
- my @fields = split /[ \t]+/;
- if (@fields >= 2) {
- my $spec = $fields[0]; # first column (dev/label/uuid)
- my $file = $fields[1]; # second column (mountpoint)
- if ($spec =~ m{^/} ||
- $spec =~ m{^LABEL=} ||
- $spec =~ m{^UUID=} ||
- $file eq "swap") {
- push @fstab, [$spec, $file]
- }
- }
- }
- $r->{fstab} = \@fstab if @fstab;
- }
-}
-
-# We only support NT. The control file /boot.ini contains a list of
-# Windows installations and their %systemroot%s in a simple text
-# format.
-#
-# XXX We could parse this better. This won't work if /boot.ini is on
-# a different drive from the %systemroot%, and in other unusual cases.
-
-sub check_windows_root
-{
- local $_;
- my $r = shift;
-
- my $boot_ini = resolve_windows_path ("/", "boot.ini");
- $r->{boot_ini} = $boot_ini;
-
- if (defined $r->{boot_ini}) {
- $_ = $g->cat ($boot_ini);
- my @lines = split /\n/;
- my $section;
- my $systemroot;
- foreach (@lines) {
- if (m/\[.*\]/) {
- $section = $1;
- } elsif (m/^default=.*?\\(\w+)$/i) {
- $systemroot = $1;
- last;
- } elsif (m/\\(\w+)=/) {
- $systemroot = $1;
- last;
- }
- }
-
- if (defined $systemroot) {
- $r->{systemroot} = resolve_windows_path ("/", $systemroot);
- if (defined $r->{systemroot} && $windows_registry) {
- check_windows_registry ($r, $r->{systemroot});
- }
- }
- }
-}
-
-sub check_windows_registry
-{
- local $_;
- my $r = shift;
- my $systemroot = shift;
-
- # Download the system registry files. Only download the
- # interesting ones, and we don't bother with user profiles at all.
- my $system32 = resolve_windows_path ($systemroot, "system32");
- if (defined $system32) {
- my $config = resolve_windows_path ($system32, "config");
- if (defined $config) {
- my $software = resolve_windows_path ($config, "software");
- if (defined $software) {
- load_windows_registry ($r, $software,
- "HKEY_LOCAL_MACHINE\\SOFTWARE");
- }
- my $system = resolve_windows_path ($config, "system");
- if (defined $system) {
- load_windows_registry ($r, $system,
- "HKEY_LOCAL_MACHINE\\System");
- }
- }
- }
-}
-
-sub load_windows_registry
-{
- local $_;
- my $r = shift;
- my $regfile = shift;
- my $prefix = shift;
-
- my $dir = tempdir (CLEANUP => 1);
-
- $g->download ($regfile, "$dir/reg");
-
- # 'reged' command is particularly noisy. Redirect stdout and
- # stderr to /dev/null temporarily.
- open SAVEOUT, ">&STDOUT";
- open SAVEERR, ">&STDERR";
- open STDOUT, ">/dev/null";
- open STDERR, ">/dev/null";
-
- my @cmd = ("reged", "-x", "$dir/reg", "$prefix", "\\", "$dir/out");
- my $res = system (@cmd);
-
- close STDOUT;
- close STDERR;
- open STDOUT, ">&SAVEOUT";
- open STDERR, ">&SAVEERR";
- close SAVEOUT;
- close SAVEERR;
-
- unless ($res == 0) {
- warn "reged command failed: $?";
- return;
- }
-
- # Some versions of reged segfault on inputs. If that happens we
- # may get no / partial output file. Anyway, if it exists, load
- # it.
- my $content;
- unless (open F, "$dir/out") {
- warn "no output from reged command: $!";
- return;
- }
- { local $/ = undef; $content = <F>; }
- close F;
-
- my @registry = ();
- @registry = @{$r->{registry}} if exists $r->{registry};
- push @registry, $content;
- $r->{registry} = \@registry;
-}
-
-# Because of case sensitivity, the actual path might have a different
-# name, and ntfs-3g is always case sensitive. Find out what the real
-# path is. Returns the correct full path, or undef.
-sub resolve_windows_path
-{
- local $_;
- my $parent = shift; # Must exist, with correct case.
- my $dir = shift;
-
- foreach ($g->ls ($parent)) {
- if (lc ($_) eq lc ($dir)) {
- if ($parent eq "/") {
- return "/$_"
- } else {
- return "$parent/$_"
- }
- }
- }
-
- undef;
-}
-
-sub check_grub
-{
- local $_;
- my $r = shift;
-
- # Grub version, if we care.
-}
-
-#print Dumper (\%fses);
-
-#----------------------------------------------------------------------
-# Now find out how many operating systems we've got. Usually just one.
-
-my %oses = ();
-
-foreach (sort keys %fses) {
- if ($fses{$_}->{is_root}) {
- my %r = (
- root => $fses{$_},
- root_device => $_
- );
- get_os_version (\%r);
- assign_mount_points (\%r);
- $oses{$_} = \%r;
- }
-}
-
-sub get_os_version
-{
- local $_;
- my $r = shift;
-
- $r->{os} = $r->{root}->{fsos} if exists $r->{root}->{fsos};
- $r->{distro} = $r->{root}->{osdistro} if exists $r->{root}->{osdistro};
- $r->{version} = $r->{root}->{osversion} if exists $r->{root}->{osversion};
-}
-
-sub assign_mount_points
-{
- local $_;
- my $r = shift;
-
- $r->{mounts} = { "/" => $r->{root_device} };
- $r->{filesystems} = { $r->{root_device} => $r->{root} };
-
- # Use /etc/fstab if we have it to mount the rest.
- if (exists $r->{root}->{fstab}) {
- my @fstab = @{$r->{root}->{fstab}};
- foreach (@fstab) {
- my ($spec, $file) = @$_;
-
- my ($dev, $fs) = find_filesystem ($spec);
- if ($dev) {
- $r->{mounts}->{$file} = $dev;
- $r->{filesystems}->{$dev} = $fs;
- if (exists $fs->{used}) {
- $fs->{used}++
- } else {
- $fs->{used} = 1
- }
- }
- }
- }
-}
-
-# Find filesystem by device name, LABEL=.. or UUID=..
-sub find_filesystem
-{
- local $_ = shift;
-
- if (/^LABEL=(.*)/) {
- my $label = $1;
- foreach (sort keys %fses) {
- if (exists $fses{$_}->{label} &&
- $fses{$_}->{label} eq $label) {
- return ($_, $fses{$_});
- }
- }
- warn "unknown filesystem label $label\n";
- return ();
- } elsif (/^UUID=(.*)/) {
- my $uuid = $1;
- foreach (sort keys %fses) {
- if (exists $fses{$_}->{uuid} &&
- $fses{$_}->{uuid} eq $uuid) {
- return ($_, $fses{$_});
- }
- }
- warn "unknown filesystem UUID $uuid\n";
- return ();
- } else {
- return ($_, $fses{$_}) if exists $fses{$_};
+my %fses =
+ inspect_all_partitions ($g, \@partitions,
+ use_windows_registry => $windows_registry);
- if (m{^/dev/hd(.*)} && exists $fses{"/dev/sd$1"}) {
- return ("/dev/sd$1", $fses{"/dev/sd$1"});
- }
- if (m{^/dev/xvd(.*)} && exists $fses{"/dev/sd$1"}) {
- return ("/dev/sd$1", $fses{"/dev/sd$1"});
- }
+#print "fses -----------\n";
+#print Dumper(\%fses);
- return () if m{/dev/cdrom};
-
- warn "unknown filesystem $_\n";
- return ();
- }
-}
+my $oses = inspect_operating_systems ($g, \%fses);
-#print Dumper(\%oses);
+#print "oses -----------\n";
+#print Dumper($oses);
-#----------------------------------------------------------------------
# Mount up the disks so we can check for applications
# and kernels. Skip this if the output is "*fish" because
# we don't need to know.
if ($output !~ /.*fish$/) {
- # Temporary directory for use by check_for_initrd.
- my $dir = tempdir (CLEANUP => 1);
-
my $root_dev;
- foreach $root_dev (sort keys %oses) {
- my $mounts = $oses{$root_dev}->{mounts};
- # Have to mount / first. Luckily '/' is early in the ASCII
- # character set, so this should be OK.
- foreach (sort keys %$mounts) {
- $g->mount_ro ($mounts->{$_}, $_)
- if $_ ne "swap" && ($_ eq '/' || $g->is_dir ($_));
- }
-
- check_for_applications ($root_dev);
- check_for_kernels ($root_dev);
- if ($oses{$root_dev}->{os} eq "linux") {
- check_for_modprobe_aliases ($root_dev);
- check_for_initrd ($root_dev, $dir);
- }
-
+ foreach $root_dev (sort keys %$oses) {
+ my $os = $oses->{$root_dev};
+ mount_operating_system ($g, $os);
+ inspect_in_detail ($g, $os);
$g->umount_all ();
}
}
-sub check_for_applications
-{
- local $_;
- my $root_dev = shift;
-
- my @apps;
-
- my $os = $oses{$root_dev}->{os};
- if ($os eq "linux") {
- my $distro = $oses{$root_dev}->{distro};
- if (defined $distro && ($distro eq "redhat" || $distro eq "fedora")) {
- my @lines = $g->command_lines
- (["rpm",
- "-q", "-a",
- "--qf", "%{name} %{epoch} %{version} %{release} %{arch}\n"]);
- foreach (@lines) {
- if (m/^(.*) (.*) (.*) (.*) (.*)$/) {
- my $epoch = $2;
- $epoch = "" if $epoch eq "(none)";
- my $app = {
- name => $1,
- epoch => $epoch,
- version => $3,
- release => $4,
- arch => $5
- };
- push @apps, $app
- }
- }
- }
- } elsif ($os eq "windows") {
- # XXX
- # I worked out a general plan for this, but haven't
- # implemented it yet. We can iterate over /Program Files
- # looking for *.EXE files, which we download, then use
- # i686-pc-mingw32-windres on, to find the VERSIONINFO
- # section, which has a lot of useful information.
- }
-
- $oses{$root_dev}->{apps} = \@apps;
-}
-
-sub check_for_kernels
-{
- local $_;
- my $root_dev = shift;
-
- my @kernels;
-
- my $os = $oses{$root_dev}->{os};
- if ($os eq "linux") {
- # Installed kernels will have a corresponding /lib/modules/<version>
- # directory, which is the easiest way to find out what kernels
- # are installed, and what modules are available.
- foreach ($g->ls ("/lib/modules")) {
- if ($g->is_dir ("/lib/modules/$_")) {
- my %kernel;
- $kernel{version} = $_;
-
- # List modules.
- my @modules;
- foreach ($g->find ("/lib/modules/$_")) {
- if (m,/([^/]+)\.ko$, || m,([^/]+)\.o$,) {
- push @modules, $1;
- }
- }
-
- $kernel{modules} = \@modules;
-
- push @kernels, \%kernel;
- }
- }
-
- } elsif ($os eq "windows") {
- # XXX
- }
-
- $oses{$root_dev}->{kernels} = \@kernels;
-}
-
-# Check /etc/modprobe.conf to see if there are any specified
-# drivers associated with network (ethX) or hard drives. Normally
-# one might find something like:
-#
-# alias eth0 xennet
-# alias scsi_hostadapter xenblk
-#
-# XXX This doesn't look beyond /etc/modprobe.conf, eg. in /etc/modprobe.d/
-
-sub check_for_modprobe_aliases
-{
- local $_;
- my $root_dev = shift;
-
- my @lines;
- eval { @lines = $g->read_lines ("/etc/modprobe.conf"); };
- return if $@ || !@lines;
-
- my %modprobe_aliases;
-
- foreach (@lines) {
- $modprobe_aliases{$1} = $2 if /^\s*alias\s+(\S+)\s+(\S+)/;
- }
-
- $oses{$root_dev}->{modprobe_aliases} = \%modprobe_aliases;
-}
-
-# Get a listing of device drivers in any initrd corresponding to a
-# kernel. This is an indication of what can possibly be booted.
-
-sub check_for_initrd
-{
- local $_;
- my $root_dev = shift;
- my $dir = shift;
-
- my %initrd_modules;
-
- foreach my $initrd ($g->ls ("/boot")) {
- if ($initrd =~ m/^initrd-(.*)\.img$/ && $g->is_file ("/boot/$initrd")) {
- my $version = $1;
- my @modules = ();
- # We have to download these to a temporary file.
- $g->download ("/boot/$initrd", "$dir/initrd");
-
- my $cmd = "zcat $dir/initrd | file -";
- open P, "$cmd |" or die "$cmd: $!";
- my $lines;
- { local $/ = undef; $lines = <P>; }
- close P;
- if ($lines =~ /ext\d filesystem data/) {
- # Before initramfs came along, these were compressed
- # ext2 filesystems. We could run another libguestfs
- # instance to unpack these, but punt on them for now. (XXX)
- warn "initrd image is unsupported ext2/3/4 filesystem\n";
- }
- elsif ($lines =~ /cpio/) {
- my $cmd = "zcat $dir/initrd | cpio --quiet -it";
- open P, "$cmd |" or die "$cmd: $!";
- while (<P>) {
- push @modules, $1
- if m,([^/]+)\.ko$, || m,([^/]+)\.o$,;
- }
- close P;
- unlink "$dir/initrd";
- $initrd_modules{$version} = \@modules;
- }
- else {
- # What?
- warn "unrecognized initrd image: $lines\n";
- }
- }
- }
-
- $oses{$root_dev}->{initrd_modules} = \%initrd_modules;
-}
-
#----------------------------------------------------------------------
# Output.
if ($output eq "fish" || $output eq "ro-fish") {
- my @osdevs = keys %oses;
+ my @osdevs = keys %$oses;
# This only works if there is a single OS.
- die "--fish output is only possible with a single OS\n" if @osdevs != 1;
+ die __"--fish output is only possible with a single OS\n" if @osdevs != 1;
my $root_dev = $osdevs[0];
print "-a $_ " foreach @images;
- my $mounts = $oses{$root_dev}->{mounts};
+ my $mounts = $oses->{$root_dev}->{mounts};
# Have to mount / first. Luckily '/' is early in the ASCII
# character set, so this should be OK.
foreach (sort keys %$mounts) {
- print "-m $mounts->{$_}:$_ " if $_ ne "swap";
+ print "-m $mounts->{$_}:$_ " if $_ ne "swap" && $_ ne "none";
}
print "\n"
}
# Perl output.
elsif ($output eq "perl") {
- print Dumper(\%oses);
+ print Dumper(%$oses);
+}
+
+# YAML output
+elsif ($output eq "yaml") {
+ die __"virt-inspector: no YAML support\n"
+ unless exists $INC{"YAML/Any.pm"};
+
+ print Dump(%$oses);
}
# Plain text output (the default).
sub output_text
{
- output_text_os ($oses{$_}) foreach sort keys %oses;
+ output_text_os ($oses->{$_}) foreach sort keys %$oses;
}
sub output_text_os
print $os->{os}, " " if exists $os->{os};
print $os->{distro}, " " if exists $os->{distro};
- print $os->{version}, " " if exists $os->{version};
+ print $os->{arch}, " " if exists $os->{arch};
+ print $os->{major_version} if exists $os->{major_version};
+ print ".", $os->{minor_version} if exists $os->{minor_version};
+ print " ";
print "on ", $os->{root_device}, ":\n";
- print " Mountpoints:\n";
+ print __" Mountpoints:\n";
my $mounts = $os->{mounts};
foreach (sort keys %$mounts) {
printf " %-30s %s\n", $mounts->{$_}, $_
}
- print " Filesystems:\n";
+ print __" Filesystems:\n";
my $filesystems = $os->{filesystems};
foreach (sort keys %$filesystems) {
print " $_:\n";
my %aliases = %{$os->{modprobe_aliases}};
my @keys = sort keys %aliases;
if (@keys) {
- print " Modprobe aliases:\n";
+ print __" Modprobe aliases:\n";
foreach (@keys) {
- printf " %-30s %s\n", $_, $aliases{$_}
+ printf " %-30s %s\n", $_, $aliases{$_}->{modulename}
}
}
}
my %modvers = %{$os->{initrd_modules}};
my @keys = sort keys %modvers;
if (@keys) {
- print " Initrd modules:\n";
+ print __" Initrd modules:\n";
foreach (@keys) {
my @modules = @{$modvers{$_}};
print " $_:\n";
}
}
- print " Applications:\n";
+ print __" Applications:\n";
my @apps = @{$os->{apps}};
foreach (@apps) {
print " $_->{name} $_->{version}\n"
}
- print " Kernels:\n";
+ print __" Kernels:\n";
my @kernels = @{$os->{kernels}};
foreach (@kernels) {
- print " $_->{version}\n";
+ print " $_->{version} ($_->{arch})\n";
my @modules = @{$_->{modules}};
foreach (@modules) {
print " $_\n";
}
if (exists $os->{root}->{registry}) {
- print " Windows Registry entries:\n";
+ print __" Windows Registry entries:\n";
# These are just lumps of text - dump them out.
foreach (@{$os->{root}->{registry}}) {
print "$_\n";
sub output_xml
{
- print "<operatingsystems>\n";
- output_xml_os ($oses{$_}) foreach sort keys %oses;
- print "</operatingsystems>\n";
+ my $xml = new XML::Writer(DATA_MODE => 1, DATA_INDENT => 2);
+
+ $xml->startTag("operatingsystems");
+ output_xml_os ($oses->{$_}, $xml) foreach sort keys %$oses;
+ $xml->endTag("operatingsystems");
+
+ $xml->end();
}
sub output_xml_os
{
- my $os = shift;
+ my ($os, $xml) = @_;
- print "<operatingsystem>\n";
+ $xml->startTag("operatingsystem");
- print "<os>", $os->{os}, "</os>\n" if exists $os->{os};
- print "<distro>", $os->{distro}, "</distro>\n" if exists $os->{distro};
- print "<version>", $os->{version}, "</version>\n" if exists $os->{version};
- print "<root>", $os->{root_device}, "</root>\n";
+ foreach ( [ "name" => "os" ],
+ [ "distro" => "distro" ],
+ [ "arch" => "arch" ],
+ [ "major_version" => "major_version" ],
+ [ "minor_version" => "minor_version" ],
+ [ "package_format" => "package_format" ],
+ [ "package_management" => "package_management" ],
+ [ "root" => "root_device" ] ) {
+ $xml->dataElement($_->[0], $os->{$_->[1]}) if exists $os->{$_->[1]};
+ }
- print "<mountpoints>\n";
+ $xml->startTag("mountpoints");
my $mounts = $os->{mounts};
foreach (sort keys %$mounts) {
- printf "<mountpoint dev='%s'>%s</mountpoint>\n",
- $mounts->{$_}, $_
+ $xml->dataElement("mountpoint", $_, "dev" => $mounts->{$_});
}
- print "</mountpoints>\n";
+ $xml->endTag("mountpoints");
- print "<filesystems>\n";
+ $xml->startTag("filesystems");
my $filesystems = $os->{filesystems};
foreach (sort keys %$filesystems) {
- print "<filesystem dev='$_'>\n";
- print "<label>$filesystems->{$_}{label}</label>\n"
- if exists $filesystems->{$_}{label};
- print "<uuid>$filesystems->{$_}{uuid}</uuid>\n"
- if exists $filesystems->{$_}{uuid};
- print "<type>$filesystems->{$_}{fstype}</type>\n"
- if exists $filesystems->{$_}{fstype};
- print "<content>$filesystems->{$_}{content}</content>\n"
- if exists $filesystems->{$_}{content};
- print "</filesystem>\n";
+ $xml->startTag("filesystem", "dev" => $_);
+
+ foreach my $field ( [ "label" => "label" ],
+ [ "uuid" => "uuid" ],
+ [ "type" => "fstype" ],
+ [ "content" => "content" ],
+ [ "spec" => "spec" ] ) {
+ $xml->dataElement($field->[0], $filesystems->{$_}{$field->[1]})
+ if exists $filesystems->{$_}{$field->[1]};
+ }
+
+ $xml->endTag("filesystem");
}
- print "</filesystems>\n";
+ $xml->endTag("filesystems");
if (exists $os->{modprobe_aliases}) {
my %aliases = %{$os->{modprobe_aliases}};
my @keys = sort keys %aliases;
if (@keys) {
- print "<modprobealiases>\n";
+ $xml->startTag("modprobealiases");
foreach (@keys) {
- printf "<alias device=\"%s\">%s</alias>\n", $_, $aliases{$_}
+ $xml->startTag("alias", "device" => $_);
+
+ foreach my $field ( [ "modulename" => "modulename" ],
+ [ "augeas" => "augeas" ],
+ [ "file" => "file" ] ) {
+ $xml->dataElement($field->[0], $aliases{$_}->{$field->[1]});
+ }
+
+ $xml->endTag("alias");
}
- print "</modprobealiases>\n";
+ $xml->endTag("modprobealiases");
}
}
my %modvers = %{$os->{initrd_modules}};
my @keys = sort keys %modvers;
if (@keys) {
- print "<initrds>\n";
+ $xml->startTag("initrds");
foreach (@keys) {
my @modules = @{$modvers{$_}};
- print "<initrd version=\"$_\">\n";
- print "<module>$_</module>\n" foreach @modules;
- print "</initrd>\n";
+ $xml->startTag("initrd", "version" => $_);
+ $xml->dataElement("module", $_) foreach @modules;
+ $xml->endTag("initrd");
}
- print "</initrds>\n";
+ $xml->endTag("initrds");
}
}
- print "<applications>\n";
+ $xml->startTag("applications");
my @apps = @{$os->{apps}};
foreach (@apps) {
- print "<application>\n";
- print "<name>$_->{name}</name><version>$_->{version}</version>\n";
- print "</application>\n";
+ $xml->startTag("application");
+ $xml->dataElement("name", $_->{name});
+ $xml->dataElement("version", $_->{version});
+ $xml->endTag("application");
}
- print "</applications>\n";
+ $xml->endTag("applications");
- print "<kernels>\n";
+ $xml->startTag("kernels");
my @kernels = @{$os->{kernels}};
foreach (@kernels) {
- print "<kernel>\n";
- print "<version>$_->{version}</version>\n";
- print "<modules>\n";
+ $xml->startTag("kernel",
+ "version" => $_->{version},
+ "arch" => $_->{arch});
+ $xml->startTag("modules");
my @modules = @{$_->{modules}};
foreach (@modules) {
- print "<module>$_</module>\n";
+ $xml->dataElement("module", $_);
}
- print "</modules>\n";
- print "</kernel>\n";
+ $xml->endTag("modules");
+ $xml->endTag("kernel");
}
- print "</kernels>\n";
+ $xml->endTag("kernels");
if (exists $os->{root}->{registry}) {
- print "<windowsregistryentries>\n";
+ $xml->startTag("windowsregistryentries");
# These are just lumps of text - dump them out.
foreach (@{$os->{root}->{registry}}) {
- print "<windowsregistryentry>\n";
- print escape_xml($_), "\n";
- print "</windowsregistryentry>\n";
+ $xml->dataElement("windowsregistryentry", $_);
}
- print "</windowsregistryentries>\n";
+ $xml->endTag("windowsregistryentries");
}
- print "</operatingsystem>\n";
-}
-
-sub escape_xml
-{
- local $_ = shift;
-
- s/&/&/g;
- s/</</g;
- s/>/>/g;
- return $_;
+ $xml->endTag("operatingsystem");
}
=head1 QUERY MODE
output_query_xen_domU_kernel ();
output_query_xen_pv_drivers ();
output_query_virtio_drivers ();
+ output_query_kernel_arch ();
+ output_query_userspace_arch ();
}
=item windows=(yes|no)
sub output_query_windows
{
my $windows = "no";
- foreach my $os (keys %oses) {
- $windows="yes" if $oses{$os}->{os} eq "windows";
+ foreach my $os (keys %$oses) {
+ $windows="yes" if $oses->{$os}->{os} eq "windows";
}
print "windows=$windows\n";
}
sub output_query_linux
{
my $linux = "no";
- foreach my $os (keys %oses) {
- $linux="yes" if $oses{$os}->{os} eq "linux";
+ foreach my $os (keys %$oses) {
+ $linux="yes" if $oses->{$os}->{os} eq "linux";
}
print "linux=$linux\n";
}
sub output_query_rhel
{
my $rhel = "no";
- foreach my $os (keys %oses) {
- $rhel="yes" if $oses{$os}->{os} eq "linux" && $oses{$os}->{distro} eq "redhat";
+ foreach my $os (keys %$oses) {
+ $rhel="yes" if ($oses->{$os}->{os} eq "linux" &&
+ $oses->{$os}->{distro} eq "rhel");
}
print "rhel=$rhel\n";
}
sub output_query_fedora
{
my $fedora = "no";
- foreach my $os (keys %oses) {
- $fedora="yes" if $oses{$os}->{os} eq "linux" && $oses{$os}->{distro} eq "fedora";
+ foreach my $os (keys %$oses) {
+ $fedora="yes" if $oses->{$os}->{os} eq "linux" && $oses->{$os}->{distro} eq "fedora";
}
print "fedora=$fedora\n";
}
sub output_query_debian
{
my $debian = "no";
- foreach my $os (keys %oses) {
- $debian="yes" if $oses{$os}->{os} eq "linux" && $oses{$os}->{distro} eq "debian";
+ foreach my $os (keys %$oses) {
+ $debian="yes" if $oses->{$os}->{os} eq "linux" && $oses->{$os}->{distro} eq "debian";
}
print "debian=$debian\n";
}
# The assumption is full-virt, unless all installed kernels
# are identified as paravirt.
# XXX Fails on Windows guests.
- foreach my $os (keys %oses) {
- foreach my $kernel (@{$oses{$os}->{kernels}}) {
+ foreach my $os (keys %$oses) {
+ foreach my $kernel (@{$oses->{$os}->{kernels}}) {
my $is_pv = $kernel->{version} =~ m/xen/;
unless ($is_pv) {
print "fullvirt=yes\n";
sub output_query_xen_domU_kernel
{
- foreach my $os (keys %oses) {
- foreach my $kernel (@{$oses{$os}->{kernels}}) {
+ foreach my $os (keys %$oses) {
+ foreach my $kernel (@{$oses->{$os}->{kernels}}) {
my $is_xen = $kernel->{version} =~ m/xen/;
if ($is_xen) {
print "xen_domU_kernel=yes\n";
sub output_query_xen_pv_drivers
{
- foreach my $os (keys %oses) {
- foreach my $kernel (@{$oses{$os}->{kernels}}) {
+ foreach my $os (keys %$oses) {
+ foreach my $kernel (@{$oses->{$os}->{kernels}}) {
foreach my $module (@{$kernel->{modules}}) {
if ($module =~ m/xen-/) {
print "xen_pv_drivers=yes\n";
sub output_query_virtio_drivers
{
- foreach my $os (keys %oses) {
- foreach my $kernel (@{$oses{$os}->{kernels}}) {
+ foreach my $os (keys %$oses) {
+ foreach my $kernel (@{$oses->{$os}->{kernels}}) {
foreach my $module (@{$kernel->{modules}}) {
if ($module =~ m/virtio_/) {
print "virtio_drivers=yes\n";
print "virtio_drivers=no\n";
}
+=item userspace_arch=(x86_64|...)
+
+Print the architecture of userspace.
+
+NB. For multi-boot VMs this can print several lines.
+
+=cut
+
+sub output_query_userspace_arch
+{
+ my %arches;
+
+ foreach my $os (keys %$oses) {
+ $arches{$oses->{$os}->{arch}} = 1 if exists $oses->{$os}->{arch};
+ }
+
+ foreach (sort keys %arches) {
+ print "userspace_arch=$_\n";
+ }
+}
+
+=item kernel_arch=(x86_64|...)
+
+Print the architecture of the kernel.
+
+NB. For multi-boot VMs this can print several lines.
+
+=cut
+
+sub output_query_kernel_arch
+{
+ my %arches;
+
+ foreach my $os (keys %$oses) {
+ foreach my $kernel (@{$oses->{$os}->{kernels}}) {
+ $arches{$kernel->{arch}} = 1 if exists $kernel->{arch};
+ }
+ }
+
+ foreach (sort keys %arches) {
+ print "kernel_arch=$_\n";
+ }
+}
+
=back
=head1 SEE ALSO
L<guestfs(3)>,
L<guestfish(1)>,
L<Sys::Guestfs(3)>,
+L<Sys::Guestfs::Lib(3)>,
L<Sys::Virt(3)>,
L<http://libguestfs.org/>.
Richard W.M. Jones L<http://et.redhat.com/~rjones/>
+Matthew Booth L<mbooth@redhat.com>
+
=head1 COPYRIGHT
Copyright (C) 2009 Red Hat Inc.
git.annexia.org / libguestfs.git / blobdiff