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authorPaulo Alcantara <paulo@paulo.ac>2018-04-04 14:54:02 -0300
committerPaulo Alcantara <paulo@paulo.ac>2018-04-04 14:56:35 -0300
commitb18091d44fcc95dd88909707816669c836993040 (patch)
tree38d1e05aabef5386332258e06327577e2e517a40
downloadvmhtool-b18091d44fcc95dd88909707816669c836993040.tar.gz
vmhtool-b18091d44fcc95dd88909707816669c836993040.tar.xz
vmhtool-b18091d44fcc95dd88909707816669c836993040.zip
Add initial files.
Signed-off-by: Paulo Alcantara <paulo@paulo.ac>
-rw-r--r--LICENSE339
-rwxr-xr-xvmhelper457
2 files changed, 796 insertions, 0 deletions
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..d159169
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,339 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The licenses for most software are designed to take away your
+freedom to share and change it. By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users. This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it. (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.) You can apply it to
+your programs, too.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+ To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+ For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have. You must make sure that they, too, receive or can get the
+source code. And you must show them these terms so they know their
+rights.
+
+ We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+ Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software. If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+ Finally, any free program is threatened constantly by software
+patents. We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary. To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+ The precise terms and conditions for copying, distribution and
+modification follow.
+
+ GNU GENERAL PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License. The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language. (Hereinafter, translation is included without limitation in
+the term "modification".) Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope. The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+ 1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+ 2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+ a) You must cause the modified files to carry prominent notices
+ stating that you changed the files and the date of any change.
+
+ b) You must cause any work that you distribute or publish, that in
+ whole or in part contains or is derived from the Program or any
+ part thereof, to be licensed as a whole at no charge to all third
+ parties under the terms of this License.
+
+ c) If the modified program normally reads commands interactively
+ when run, you must cause it, when started running for such
+ interactive use in the most ordinary way, to print or display an
+ announcement including an appropriate copyright notice and a
+ notice that there is no warranty (or else, saying that you provide
+ a warranty) and that users may redistribute the program under
+ these conditions, and telling the user how to view a copy of this
+ License. (Exception: if the Program itself is interactive but
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+ the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole. If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works. But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+ 3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+ a) Accompany it with the complete corresponding machine-readable
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+
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+
+ 4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License. Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+ 5. You are not required to accept this License, since you have not
+signed it. However, nothing else grants you permission to modify or
+distribute the Program or its derivative works. These actions are
+prohibited by law if you do not accept this License. Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+ 6. Each time you redistribute the Program (or any work based on the
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+these terms and conditions. You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
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+this License.
+
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+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License. If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all. For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices. Many people have made
+generous contributions to the wide range of software distributed
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+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+ 8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded. In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+ 9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time. Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number. If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation. If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+ 10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission. For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this. Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+ NO WARRANTY
+
+ 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+ 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+ Gnomovision version 69, Copyright (C) year name of author
+ Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. Here is a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+ `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
diff --git a/vmhelper b/vmhelper
new file mode 100755
index 0000000..0906196
--- /dev/null
+++ b/vmhelper
@@ -0,0 +1,457 @@
+#!/usr/bin/env perl
+#
+# VM helper tools
+#
+# (C) 2018 Paulo Alcantara. All rights reserved.
+# Licensed under GPLv2, see LICENSE
+
+use strict;
+use warnings;
+use Getopt::Long;
+use File::Copy;
+use Cwd 'abs_path';
+use File::Basename;
+
+my $install_iso_path = '';
+my $virtio_drv_path = '';
+my $kernel_path = '';
+my $build_kernel;
+my $config_path = '';
+my $install_modules;
+my $list_vms;
+my $delete_vm;
+my $windows_guest;
+my $print_help;
+my $initrd_img = '';
+my $shared_dirs = '';
+
+GetOptions ("install=s" => \$install_iso_path,
+ "virtio=s" => \$virtio_drv_path,
+ "kernel=s" => \$kernel_path,
+ "build" => \$build_kernel,
+ "Initrd=s" => \$initrd_img,
+ "config=s" => \$config_path,
+ "modules" => \$install_modules,
+ "list" => \$list_vms,
+ "delete" => \$delete_vm,
+ "help" => \$print_help,
+ "win" => \$windows_guest,
+ "share=s" => \$shared_dirs);
+
+usage() if $print_help;
+
+my $vm_path = $ENV{'VMHELPER_VM_PATH'};
+die "VMHELPER_VM_PATH env var is not set" unless $vm_path;
+die "$vm_path does not exist" unless -e $vm_path and -d $vm_path;
+
+my $vm_info = $vm_path . '/.vminfo';
+
+sub resolve_name {
+ my $name = $_[0];
+
+ open(my $hosts, "<", "/etc/hosts") or die "failed to open /etc/hosts: $!";
+ while (<$hosts>) {
+ next if ($_ =~ /^\s.*$/ || $_ =~ /^#.*$/);
+ my ($ipaddr, @names) = split(/\s/);
+ foreach (@names) {
+ if ($_ eq $name) {
+ $ipaddr =~ s/^\s+|\s+$//g;
+ close($hosts) or die "failed to close file: $!";
+ return $ipaddr;
+ }
+ }
+ }
+ close($hosts) or die "failed to close file: $!";
+ return "<unknown>";
+}
+
+sub usage {
+ print STDERR "Usage: " . basename($0). " [name] [options]
+ -h, --help print this help
+ -i, --install image create a new vm and install it from an ISO image
+ -v, --virtio image attach virtio drivers ISO image into guest
+ -I, --initrd pass initramfs image to kernel
+ -k, --kernel path run the guest with a custom kernel image
+ -b, --build build custom kernel before running guest
+ -c,--config file custom kernel config file
+ -m,--modules install kernel modules in rootfs image
+ -s,--share=foo,bar,... share directories between host and guest
+ -l,--list list all vms
+ -d,--delete delete vm
+ -w,--win MS windows specifics
+";
+ exit 1;
+}
+
+if ($list_vms) {
+ open(my $conf, "<", $vm_info) or exit 0;
+ printf STDERR "%-25s%-20s%-15s\n", "name", "macaddr", "ipaddr";
+ while (<$conf>) {
+ my ($name, $macaddr) = split(/\s/);
+ my $ipaddr = resolve_name($name);
+ printf STDERR "%-25s%-20s%-20s\n", $name, $macaddr, $ipaddr;
+ }
+ close($conf) or die "failed to close file: $!";
+ exit 0;
+}
+
+my $eth_iface = 'eth0';
+my $bridge_iface = 'br0';
+my $bridge_ipaddr = resolve_name('bridge');
+my $tap_iface = '';
+my $router_ipaddr = resolve_name('rpi');
+
+sub is_net_iface_created {
+ my $iface = $_[0];
+
+ open(my $dev, "<", "/proc/net/dev") or die "failed to open /proc/net/dev: $!";
+ while (<$dev>) {
+ next unless $_ =~ /:/;
+ my ($s, $q) = split /:/;
+ if ($s =~ /$iface/) {
+ close($dev) or die "failed to close file: $!";
+ return 1;
+ }
+ }
+ close($dev) or die "failed to close file: $!";
+ return 0;
+}
+
+sub create_tap_dev {
+ unless (is_net_iface_created($bridge_iface)) {
+ my @cmds = (
+ "sudo /sbin/brctl addbr $bridge_iface",
+ "sudo /bin/ip addr flush dev $eth_iface",
+ "sudo /sbin/brctl addif $bridge_iface $eth_iface",
+ "sudo /bin/ip addr add dev $bridge_iface $bridge_ipaddr/24",
+ "sudo /bin/ip route delete default via $router_ipaddr > /dev/null 2>&1",
+ "sudo /bin/ip link set dev $bridge_iface up",
+ "sudo /bin/ip route add default via $router_ipaddr"
+ );
+ foreach (@cmds) {
+ system($_) == 0 or die "failed to create bridge device: $?";
+ }
+ }
+
+ my $user = $ENV{'USER'};
+ die "failed to determine username" unless $user;
+
+ $tap_iface = `sudo /sbin/tunctl -u $user -b`;
+ $tap_iface =~ s/^\s+|\s+$//g;
+ system("sudo /sbin/brctl addif $bridge_iface $tap_iface") == 0 or
+ die "failed to create tap dev: $?";
+ system("sudo /bin/ip link set dev $tap_iface up") == 0 or
+ die "failed to create tap dev: $?";
+}
+
+sub destroy_tap_dev {
+ system("sudo /bin/ip link delete $tap_iface") if $tap_iface;
+}
+
+my %qemu_linux_opts = (
+ mach => "-machine q35",
+ cpu => "-enable-kvm -cpu host -smp sockets=1,cores=1,threads=1",
+ mem => "-m 1024",
+ bus => "-device ich9-ahci,id=ahci -device qemu-xhci,id=xhci",
+ hdd => " -device ide-hd,drive=hd,bus=ahci.0 -drive if=none,id=hd,cache=writeback,format=raw,file=%s",
+ net => "-device e1000,netdev=net0,mac=%s -netdev type=tap,id=net0,ifname=%s,script=no,downscript=no",
+ cdrom => "-cdrom %s",
+ kernel => "-kernel %s",
+ cmdline => "-append \"root=/dev/sda2 rw console=ttyS0\"",
+ initrd => "-initrd %s",
+ share => ''
+ );
+
+my %qemu_win_opts = (
+ mach => "-machine q35",
+ cpu => "-enable-kvm -cpu host -smp sockets=1,cores=1,threads=1",
+ mem => "-m 1024",
+ bus => "-device ich9-ahci,id=ahci -device virtio-scsi-pci,id=scsi -device qemu-xhci,id=xhci",
+ hdd => "-device scsi-hd,drive=hd,bootindex=0 -drive if=none,file=%s,cache=writeback,id=hd,format=raw,unit=0",
+ cdrom => "-device scsi-cd,drive=cd,bootindex=1 -drive if=none,file=%s,format=raw,id=cd",
+ virtio => "-device ide-cd,drive=drv,bus=ahci.0 -drive if=none,file=%s,format=raw,id=drv",
+ usb => "-device usb-tablet",
+ time => "-localtime",
+ net => "-device virtio-net-pci,netdev=net0,mac=%s -netdev type=tap,id=net0,ifname=%s,script=no,downscript=no",
+ gfx => "-vga qxl"
+ );
+
+my $default_img_size = "128G";
+
+sub create_guest_img {
+ my $img = $_[0];
+ unless (-f $img) {
+ my $cmd = "/usr/bin/qemu-img create";
+ $cmd .= " -f qcow2 -o compat=1.1 -o cluster_size=65536 -o preallocation=metadata -o lazy_refcounts=on ";
+ $cmd .= $img . " $default_img_size";
+ system("$cmd >/dev/null 2>&1") == 0 or die "failed to create vm image: $?";
+ }
+}
+
+sub get_random_macaddr {
+ return sprintf "%02x:%02x:%02x:%02x:%02x:%02x", rand(256), rand(256),
+ rand(256), rand(256), rand(256), rand(256);
+}
+
+sub rem_vm_info {
+ my $name = $_[0];
+ open(my $rconf, "+<", $vm_info) or die "failed to open vm info file: $!";
+ my @lines = ();
+ while (<$rconf>) {
+ next if /^$name\s+.*$/;
+ push @lines, $_;
+ }
+ close($rconf) or die "failed to close file: $!";
+ open(my $wconf, ">", $vm_info) or die "failed to open vm info file: $!";
+ print $wconf @lines;
+ close($wconf) or die "failed to close file: $!";
+}
+
+sub save_vm_info {
+ my ($name, $macaddr) = @_;
+ open(my $rconf, "+<", $vm_info) or die "failed to open vm info file: $!";
+ my @lines = ();
+ while (<$rconf>) {
+ next if /^$name\s+.*$/;
+ push @lines, $_;
+ }
+ push @lines, "$name $macaddr\n";
+ close($rconf) or die "failed to close file: $!";
+
+ open(my $wconf, ">", $vm_info) or die "failed to open vm info file: $!";
+ print $wconf @lines;
+ close($wconf) or die "failed to close file: $!";
+}
+
+my $vm_name = $ARGV[-1];
+usage() unless $vm_name;
+
+my $vm_img_path = "$vm_path/$vm_name.img";
+
+if ($install_iso_path) {
+ create_guest_img($vm_img_path);
+
+ create_tap_dev();
+
+ my $macaddr = get_random_macaddr();
+ my $qemu_cmd = "/usr/bin/qemu-system-x86_64";
+
+ if ($windows_guest) {
+ $qemu_cmd .= " $qemu_win_opts{'mach'} $qemu_win_opts{'cpu'}";
+ $qemu_cmd .= " $qemu_win_opts{'mem'} $qemu_win_opts{'bus'}";
+ $qemu_cmd .= " " . sprintf $qemu_win_opts{'hdd'}, $vm_img_path;
+ $qemu_cmd .= " " . sprintf $qemu_win_opts{'cdrom'}, $install_iso_path;
+ if ($virtio_drv_path) {
+ $qemu_cmd .= " " . sprintf $qemu_win_opts{'virtio'}, $virtio_drv_path;
+ }
+ $qemu_cmd .= " " . sprintf $qemu_win_opts{'net'}, $macaddr, $tap_iface;
+ $qemu_cmd .= " $qemu_win_opts{'time'} $qemu_win_opts{'usb'}" .
+ " $qemu_win_opts{'gfx'}";
+ } else {
+ $qemu_cmd .= " $qemu_linux_opts{'mach'} $qemu_linux_opts{'cpu'}";
+ $qemu_cmd .= " $qemu_linux_opts{'mem'} $qemu_linux_opts{'bus'}";
+ $qemu_cmd .= " " . sprintf $qemu_linux_opts{'hdd'}, $vm_img_path;
+ $qemu_cmd .= " " . sprintf $qemu_linux_opts{'cdrom'}, $install_iso_path;
+ $qemu_cmd .= " " . sprintf $qemu_linux_opts{'net'}, $macaddr, $tap_iface;
+ }
+
+ system($qemu_cmd);
+ save_vm_info($vm_name, $macaddr);
+ destroy_tap_dev();
+
+ exit 0;
+}
+
+sub get_vm_macaddr {
+ open(my $conf, "<", $vm_info) or die "failed to open vm info file: $!";
+ while (<$conf>) {
+ chomp;
+ next unless /^$vm_name\s+.*$/;
+ my ($name, $macaddr) = split /\s+/;
+ return $macaddr;
+ }
+ return '';
+}
+
+die "$vm_img_path does not exist" unless -f $vm_img_path;
+
+if ($delete_vm) {
+ unlink($vm_img_path) or die "failed to remove $vm_img_path: $!";
+ rem_vm_info($vm_name);
+ exit 0;
+}
+
+##
+## windows vm
+#
+if ($windows_guest) {
+ create_tap_dev();
+
+ my $macaddr = get_random_macaddr();
+ my $qemu_cmd = "/usr/bin/qemu-system-x86_64";
+
+ $qemu_cmd .= " $qemu_win_opts{'mach'} $qemu_win_opts{'cpu'}";
+ $qemu_cmd .= " $qemu_win_opts{'mem'} $qemu_win_opts{'bus'}";
+ $qemu_cmd .= " " . sprintf $qemu_win_opts{'hdd'}, $vm_img_path;
+ if ($virtio_drv_path) {
+ $qemu_cmd .= " " . sprintf $qemu_win_opts{'virtio'}, $virtio_drv_path;
+ }
+ $qemu_cmd .= " " .
+ sprintf $qemu_win_opts{'net'}, get_vm_macaddr(), $tap_iface;
+ $qemu_cmd .= " $qemu_win_opts{'time'} $qemu_win_opts{'usb'}" .
+ " $qemu_win_opts{'gfx'}";
+
+ system($qemu_cmd);
+ destroy_tap_dev();
+
+ exit 0;
+}
+
+my $rootfs_path = `mktemp -d`;
+chomp($rootfs_path) if $rootfs_path;
+
+sub mount_rootfs {
+ die "$rootfs_path does not exist" unless $rootfs_path and
+ -e $rootfs_path and -d $rootfs_path;
+ system("guestmount -a $vm_img_path -m /dev/sda2 $rootfs_path") == 0 or
+ die "failed to mount rootfs: $?";
+}
+
+sub umount_rootfs {
+ system("guestunmount $rootfs_path") == 0 or
+ die "failed to umount rootfs: $?";
+}
+
+sub rem_old_shares() {
+ mount_rootfs();
+
+ open(my $rh, "<", "$rootfs_path/etc/fstab") or umount_rootfs() and
+ die "failed to open file: $!";
+
+ my @oldents = <$rh>;
+ my @newents = ();
+ foreach (@oldents) {
+ next if /^__sharevh-.*$/;
+ push @newents, $_;
+ }
+
+ close($rh) or umount_rootfs() and die "failed to close file: $!";
+
+ open(my $wh, ">", "$rootfs_path/etc/fstab") or umount_rootfs() and
+ die "failed to open file: $!";
+ print $wh @newents;
+ close($wh) or umount_rootfs() and die "failed to close file: $!";
+
+ umount_rootfs();
+}
+
+sub setup_shared_dirs {
+ rem_old_shares() and return unless $shared_dirs;
+
+ my @dirs = split(/,/, $shared_dirs);
+ foreach (@dirs) {
+ print "share: $_\n";
+ }
+ my $args = '';
+ my $count = 0;
+ my $arg = "-fsdev local,security_model=none,id=%s,path=%s -device virtio-9p-pci,id=%s,fsdev=%s,mount_tag=%s";
+
+ mount_rootfs();
+
+ open(my $rh, "<", "$rootfs_path/etc/fstab") or umount_rootfs() and
+ die "failed to open file: $!";
+
+ my @oldents = <$rh>;
+ my @newents = ();
+ foreach (@oldents) {
+ next if /^__sharevh-.*$/;
+ push @newents, $_;
+ }
+
+ close($rh) or umount_rootfs() and die "failed to close file: $!";
+
+ foreach (@dirs) {
+ my $path = abs_path($_);
+ die "$_ does not exist" unless -e $path and -d $path;
+ my $tag = "__sharevh-" . sprintf "%d", rand(4096);
+
+ mkdir("$rootfs_path/share/" . basename($path));
+
+ push @newents, "$tag " . "/share/" . basename($path) .
+ " 9p noauto,x-systemd.automount,x-systemd.device-timeout=10," .
+ "timeo=14,x-systemd.idle-timeout=0,trans=virtio,version=9p2000.L," .
+ "posixacl,cache=mmap 0 0\n";
+
+ $args .= sprintf $arg, "fsdev$count", $path, "fs$count", "fsdev$count", $tag . " ";
+ $count++;
+ }
+
+ $qemu_linux_opts{'share'} = $args;
+
+ open(my $wh, ">", "$rootfs_path/etc/fstab") or umount_rootfs() and
+ die "failed to open file: $!";
+ print $wh @newents;
+ close($wh) or umount_rootfs() and die "failed to close file: $!";
+
+ umount_rootfs();
+}
+
+##
+## linux vms
+##
+create_tap_dev();
+
+my $qemu_cmd = "/usr/bin/qemu-system-x86_64";
+
+$qemu_cmd .= " $qemu_linux_opts{'mach'} $qemu_linux_opts{'cpu'}";
+$qemu_cmd .= " $qemu_linux_opts{'mem'} $qemu_linux_opts{'bus'}";
+$qemu_cmd .= " " . sprintf $qemu_linux_opts{'hdd'}, $vm_img_path;
+$qemu_cmd .= " " . sprintf $qemu_linux_opts{'net'}, get_vm_macaddr(), $tap_iface;
+
+setup_shared_dirs();
+$qemu_cmd .= " $qemu_linux_opts{'share'}";
+
+if ($kernel_path) {
+ die "$kernel_path does not exist" unless -e $kernel_path and
+ -d $kernel_path;
+
+ if ($build_kernel) {
+ chdir($kernel_path) or die "failed to change directory: $!";
+ unless ($config_path) {
+ system("make mrproper");
+ system("make x86_64_defconfig");
+ system("make kvmconfig");
+ } else {
+ copy($config_path, "$kernel_path/.config") or
+ die "failed to copy file: $!";
+ system("make oldconfig");
+ }
+
+ system("make -j\$(getconf _NPROCESSORS_ONLN)");
+
+ if ($install_modules) {
+ mount_rootfs();
+ system("make modules");
+ system("INSTALL_MOD_PATH=$rootfs_path make modules_install");
+ umount_rootfs();
+ }
+ chdir();
+ }
+
+ my $linux_img = "$kernel_path/arch/x86/boot/bzImage";
+ die "$linux_img does not exist" unless -e $linux_img and -f $linux_img;
+
+ $qemu_cmd .= " " . sprintf $qemu_linux_opts{'kernel'}, $linux_img;
+ $qemu_cmd .= " $qemu_linux_opts{'cmdline'} -nographic";
+ if ($initrd_img) {
+ die "$initrd_img does not exist" unless -e $initrd_img and
+ -f $initrd_img;
+ $qemu_cmd .= " " . sprintf $qemu_linux_opts{'initrd'}, $initrd_img;
+ }
+}
+
+system($qemu_cmd);
+
+destroy_tap_dev();
+
+exit 0;