#!/usr/bin/perl
+package lxc_pve_poststop_hook;
+
use strict;
use warnings;
+
+exit 0 if $ENV{LXC_NAME} && $ENV{LXC_NAME} !~ /^\d+$/;
+
use POSIX;
use File::Path;
use base qw(PVE::CLIHandler);
-$ENV{'PATH'} = '/sbin:/bin:/usr/sbin:/usr/bin';
-
-initlog ('lxc-pve-poststop-hook');
-
-die "please run as root\n" if $> != 0;
-
-PVE::INotify::inotify_init();
-
-my $rpcenv = PVE::RPCEnvironment->init('cli');
-$rpcenv->set_language($ENV{LANG});
-$rpcenv->set_user('root@pam');
-
-# we cannot use cfs_read here (permission problem)
-#$rpcenv->init_request();
-
-my $nodename = PVE::INotify::nodename();
-
__PACKAGE__->register_method ({
name => 'lxc-pve-poststop-hook',
path => 'lxc-pve-poststop-hook',
my $vmid = $param->{name};
- return undef if ! -f PVE::LXC::config_file($vmid);
+ return undef if ! -f PVE::LXC::Config->config_file($vmid);
- my $conf = PVE::LXC::load_config($vmid);
+ my $conf = PVE::LXC::Config->load_config($vmid);
my $storage_cfg = PVE::Storage::config();
PVE::LXC::vm_stop_cleanup($storage_cfg, $vmid, $conf);
-
+
+ my $rootfs = $ENV{LXC_ROOTFS_PATH};
+ die "Missing container root directory!\n" if !$rootfs;
+ PVE::Tools::run_command(['umount', '--recursive', $rootfs]);
+
+ # Because netlink is not a reliable protocol it can happen that lxc's
+ # link-deletion messages get lost (or end up being too early?)
+ for my $k (keys %$conf) {
+ next if $k !~ /^net(\d+)/;
+ my $ind = $1;
+ my $net = PVE::LXC::Config->parse_lxc_network($conf->{$k});
+ next if $net->{type} ne 'veth';
+ # veth_delete tests with '-d /sys/class/net/$name' before running the command
+ PVE::Network::veth_delete("veth${vmid}i$ind");
+ }
+
+ my $target = $ENV{LXC_TARGET};
+ if ($target && $target eq 'reboot') {
+ # In order to make sure hot-plugged config changes aren't reverted
+ # to what the monitor initially loaded we need to stop the container
+ # and restart it.
+ # Update the config and queue a restart of the pve-container@$vmid
+ # task, note that we must not block because we're part of the
+ # service cgroup systemd waits for to die before issuing the new
+ # lxc-start command.
+ PVE::LXC::update_lxc_config($vmid, $conf);
+ # Tell the post-stop hook we want to be restarted.
+ open(my $fh, '>', "/var/lib/lxc/$vmid/reboot")
+ or die "failed to create reboot trigger file: $!\n";
+ close($fh);
+ # cause lxc to stop instead of rebooting
+ exit(1);
+ }
+
return undef;
}});
my $param = {};
-if ((scalar(@ARGV) == 1) && ($ARGV[0] eq 'printmanpod') ||
- ($ARGV[0] eq 'verifyapi')) {
- # OK
-} elsif ((scalar(@ARGV) == 3) && ($ARGV[1] eq 'lxc') && ($ARGV[2] eq 'post-stop')) {
+if ((scalar(@ARGV) == 3) && ($ARGV[1] eq 'lxc') && ($ARGV[2] eq 'post-stop')) {
$param->{name} = $ENV{'LXC_NAME'};
die "got wrong name" if $param->{name} ne $ARGV[0];
@ARGV = ('help');
}
-my $cmddef = [ __PACKAGE__, 'lxc-pve-poststop-hook', [], $param];
-
-PVE::CLIHandler::handle_simple_cmd($cmddef, \@ARGV, undef, $0);
-
-exit 0;
-
-__END__
-
-=head1 NAME
-
-lxc-pve - LXC post stop hook for Proxmox VE
-
-=head1 SYNOPSIS
-
-=include synopsis
-
-=head1 DESCRIPTION
-
-This post stop hook detach loop devices and deactivate volumes for pve container.
-
-=head1 SEE ALSO
-
-lct(1)
+our $cmddef = [ __PACKAGE__, 'lxc-pve-poststop-hook', [], $param];
-=include pve_copyright
+__PACKAGE__->run_cli_handler();