use Sys::Guestfs;
use File::Temp qw/tempdir/;
+use Locale::TextDomain 'libguestfs';
# Optional:
eval "use Sys::Virt;";
$g = open_guest ([$img1, $img2, ...], address => $uri, ...);
- ($g, $conn, $dom) = open_guest ($name);
+ ($g, $conn, $dom, @images) = open_guest ($name);
This function opens a libguestfs handle for either the libvirt domain
called C<$name>, or the disk image called C<$name>. Any disk images
The implicit libvirt handle is closed after this function, I<unless>
you call the function in C<wantarray> context, in which case the
function returns a tuple of: the open libguestfs handle, the open
-libvirt handle, and the open libvirt domain handle. (This is useful
-if you want to do other things like pulling the XML description of the
-guest). Note that if this is a straight disk image, then C<$conn> and
-C<$dom> will be C<undef>.
+libvirt handle, and the open libvirt domain handle, and a list of
+images. (This is useful if you want to do other things like pulling
+the XML description of the guest). Note that if this is a straight
+disk image, then C<$conn> and C<$dom> will be C<undef>.
If the C<Sys::Virt> module is not available, then libvirt is bypassed,
and this function can only open disk images.
} elsif (ref ($first) eq "SCALAR") {
@images = ($first);
} else {
- die "open_guest: first parameter must be a string or an arrayref"
+ die __"open_guest: first parameter must be a string or an arrayref"
}
my ($conn, $dom);
if (-e $images[0]) {
foreach (@images) {
- die "guest image $_ does not exist or is not readable"
+ die __x("guest image {imagename} does not exist or is not readable",
+ imagename => $_)
unless -r $_;
}
} else {
- die "open_guest: no libvirt support (install Sys::Virt, XML::XPath and XML::XPath::XMLParser)"
+ die __"open_guest: no libvirt support (install Sys::Virt, XML::XPath and XML::XPath::XMLParser)"
unless exists $INC{"Sys/Virt.pm"} &&
exists $INC{"XML/XPath.pm"} &&
exists $INC{"XML/XPath/XMLParser.pm"};
- die "open_guest: too many domains listed on command line"
+ die __"open_guest: too many domains listed on command line"
if @images > 1;
$conn = Sys::Virt->new (readonly => 1, @_);
- die "open_guest: cannot connect to libvirt" unless $conn;
+ die __"open_guest: cannot connect to libvirt" unless $conn;
my @doms = $conn->list_defined_domains ();
- my $isitinactive = "an inactive libvirt domain";
+ my $isitinactive = 1;
unless ($readwrite) {
# In the case where we want read-only access to a domain,
# allow the user to specify an active domain too.
push @doms, $conn->list_domains ();
- $isitinactive = "a libvirt domain";
+ $isitinactive = 0;
}
foreach (@doms) {
if ($_->get_name () eq $images[0]) {
last;
}
}
- die "$images[0] is not the name of $isitinactive\n" unless $dom;
+
+ unless ($dom) {
+ if ($isitinactive) {
+ die __x("{imagename} is not the name of an inactive libvirt domain\n",
+ imagename => $images[0]);
+ } else {
+ die __x("{imagename} is not the name of a libvirt domain\n",
+ imagename => $images[0]);
+ }
+ }
# 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');
push (@disks, $p->findnodes ('//devices/disk/source/@file'));
+
+ die __x("{imagename} seems to have no disk devices\n",
+ imagename => $images[0])
+ unless @disks;
+
@images = map { $_->getData } @disks;
}
}
}
- return wantarray ? ($g, $conn, $dom) : $g
+ return wantarray ? ($g, $conn, $dom, @images) : $g
}
=head2 get_partitions
my $path = shift;
if (substr ($path, 0, 1) ne "/") {
- warn "resolve_windows_path: path must start with a / character";
+ warn __"resolve_windows_path: path must start with a / character";
return undef;
}
=item osdistro
(For Linux root partitions only).
-Operating system distribution. One of: "fedora", "redhat",
-"debian".
+Operating system distribution. One of: "fedora", "rhel", "centos",
+"scientific", "debian".
+
+=item package_format
+
+(For Linux root partitions only)
+The package format used by the guest distribution. One of: "rpm", "dpkg".
+
+=item package_management
+
+(For Linux root partitions only)
+The package management tool used by the guest distribution. One of: "rhn",
+"yum", "apt".
+
+=item os_major_version
+
+(For root partitions only).
+Operating system major version number.
-=item osversion
+=item os_minor_version
(For root partitions only).
-Operating system version.
+Operating system minor version number.
=item fstab
my $r = shift;
# Look into /etc to see if we recognise the operating system.
- if ($g->is_file ("/etc/redhat-release")) {
+ # N.B. don't use $g->is_file here, because it might be a symlink
+ if ($g->exists ("/etc/redhat-release")) {
+ $r->{package_format} = "rpm";
+
$_ = $g->cat ("/etc/redhat-release");
- if (/Fedora release (\d+\.\d+)/) {
+ 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";
+ $r->{os_major_version} = "$1";
+ $r->{os_minor_version} = "$2" if(defined($2));
+ $r->{package_management} = "yum";
+ }
+
+ elsif (/(Red Hat Enterprise Linux|CentOS|Scientific Linux)/) {
+ my $distro = $1;
+
+ if($distro eq "Red Hat Enterprise Linux") {
+ $r->{osdistro} = "rhel";
+ }
+
+ elsif($distro eq "CentOS") {
+ $r->{osdistro} = "centos";
+ $r->{package_management} = "yum";
+ }
+
+ elsif($distro eq "Scientific Linux") {
+ $r->{osdistro} = "scientific";
+ $r->{package_management} = "yum";
+ }
+
+ # Shouldn't be possible
+ else { die };
+
+ if (/$distro.*release (\d+).*Update (\d+)/) {
+ $r->{os_major_version} = "$1";
+ $r->{os_minor_version} = "$2";
+ }
+
+ elsif (/$distro.*release (\d+)(?:\.(\d+))?/) {
+ $r->{os_major_version} = "$1";
+
+ if(defined($2)) {
+ $r->{os_minor_version} = "$2";
+ } else {
+ $r->{os_minor_version} = "0";
+ }
+ }
+
+ # Package management in RHEL changed in version 5
+ if ($r->{osdistro} eq "rhel") {
+ if ($r->{os_major_version} >= 5) {
+ $r->{package_management} = "yum";
+ } else {
+ $r->{package_management} = "rhn";
+ }
+ }
+ }
+
+ else {
+ $r->{osdistro} = "redhat-based";
}
} elsif ($g->is_file ("/etc/debian_version")) {
+ $r->{package_format} = "dpkg";
+ $r->{package_management} = "apt";
+
$_ = $g->cat ("/etc/debian_version");
- if (/(\d+\.\d+)/) {
+ if (/(\d+)\.(\d+)/) {
$r->{osdistro} = "debian";
- $r->{osversion} = "$1";
+ $r->{os_major_version} = "$1";
+ $r->{os_minor_version} = "$2";
} else {
$r->{osdistro} = "debian";
}
close SAVEERR;
unless ($res == 0) {
- warn "reged command failed: $?";
+ warn __x("reged command failed: {errormsg}", errormsg => $?);
return;
}
# it.
my $content;
unless (open F, "$dir/out") {
- warn "no output from reged command: $!";
+ warn __x("no output from reged command: {errormsg}", errormsg => $!);
return;
}
{ local $/ = undef; $content = <F>; }
Operating system distribution, eg. "debian".
-=item version
+=item major_version
+
+Operating system major version, eg. "4".
-Operating system version, eg. "4.0".
+=item minor_version
+
+Operating system minor version, eg "3".
=item root
$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};
+ $r->{major_version} = $r->{root}->{os_major_version}
+ if exists $r->{root}->{os_major_version};
+ $r->{minor_version} = $r->{root}->{os_minor_version}
+ if exists $r->{root}->{os_minor_version};
+ $r->{package_format} = $r->{root}->{package_format}
+ if exists $r->{root}->{package_format};
+ $r->{package_management} = $r->{root}->{package_management}
+ if exists $r->{root}->{package_management};
}
sub _assign_mount_points
return ($_, $fses->{$_});
}
}
- warn "unknown filesystem label $label\n";
+ warn __x("unknown filesystem label {label}\n", label => $label);
return ();
} elsif (/^UUID=(.*)/) {
my $uuid = $1;
return ($_, $fses->{$_});
}
}
- warn "unknown filesystem UUID $uuid\n";
+ warn __x("unknown filesystem UUID {uuid}\n", uuid => $uuid);
return ();
} else {
return ($_, $fses->{$_}) if exists $fses->{$_};
return () if m{/dev/cdrom};
- warn "unknown filesystem $_\n";
+ warn __x("unknown filesystem {fs}\n", fs => $_);
return ();
}
}
local $_;
my $g = shift;
my $os = shift;
+ my $ro = shift; # Read-only?
+
+ $ro = 1 unless(defined($ro)); # ro defaults to 1 if unspecified
my $mounts = $os->{mounts};
# Have to mount / first. Luckily '/' is early in the ASCII
# character set, so this should be OK.
foreach (sort keys %$mounts) {
- $g->mount_ro ($mounts->{$_}, $_)
- if $_ ne "swap" && $_ ne "none" && ($_ eq '/' || $g->is_dir ($_));
+ if($_ ne "swap" && $_ ne "none" && ($_ eq '/' || $g->is_dir ($_))) {
+ if($ro) {
+ $g->mount_ro ($mounts->{$_}, $_)
+ } else {
+ $g->mount ($mounts->{$_}, $_)
+ }
+ }
}
}
my $osn = $os->{os};
if ($osn eq "linux") {
- my $distro = $os->{distro};
- if (defined $distro && ($distro eq "redhat" || $distro eq "fedora")) {
+ my $package_format = $os->{package_format};
+ if (defined $package_format && $package_format eq "rpm") {
my @lines = $g->command_lines
(["rpm",
"-q", "-a",
for my $path ( @results ) {
$path =~ m{^/files(.*)/alias(?:\[\d*\])?$}
- or die("$path doesn't match augeas pattern");
+ or die __x("{path} doesn't match augeas pattern",
+ path => $path);
my $file = $1;
my $alias;
my $version = $1;
my @modules;
- eval {
- @modules = $g->initrd_list ("/boot/$initrd");
- };
- unless ($@) {
- @modules = grep { m,([^/]+)\.ko$, || m,([^/]+)\.o$, } @modules;
- $initrd_modules{$version} = \@modules
- } else {
- warn "/boot/$initrd: could not read initrd format"
+ # Disregard old-style compressed ext2 files, since cpio
+ # takes ages to (fail to) process these.
+ if ($g->file ("/boot/$initrd") !~ /gzip compressed/ ||
+ $g->zfile ("gzip", "/boot/$initrd") !~ /ext2 filesystem/) {
+ eval {
+ @modules = $g->initrd_list ("/boot/$initrd");
+ };
+ unless ($@) {
+ @modules = grep { m,([^/]+)\.ko$, || m,([^/]+)\.o$, }
+ @modules;
+ $initrd_modules{$version} = \@modules
+ } else {
+ warn __x("{filename}: could not read initrd format",
+ filename => "/boot/$initrd");
+ }
}
}
}
git.annexia.org / libguestfs.git / blobdiff