X-Git-Url: https://git.proxmox.com/?p=pve-common.git;a=blobdiff_plain;f=src%2FPVE%2FTools.pm;h=0a7efeb8dce920d1904d651b66d1b20234ff1e46;hp=1c5b50296a0149a8eed65e34996e464e5dda3fff;hb=505786f6a4430ceea3aa5d29504274f1bb95ec4f;hpb=62635f92356f82e76b044fcc74ccd4e1d624637a diff --git a/src/PVE/Tools.pm b/src/PVE/Tools.pm index 1c5b502..0a7efeb 100644 --- a/src/PVE/Tools.pm +++ b/src/PVE/Tools.pm @@ -24,9 +24,6 @@ use JSON; use Text::ParseWords; use String::ShellQuote; use Time::HiRes qw(usleep gettimeofday tv_interval alarm); -use Net::DBus qw(dbus_uint32 dbus_uint64); -use Net::DBus::Callback; -use Net::DBus::Reactor; use Scalar::Util 'weaken'; use PVE::Syscall; @@ -904,6 +901,13 @@ sub next_spice_port { return next_unused_port(61000, 61099, $family, $address); } +sub must_stringify { + my ($value) = @_; + eval { $value = "$value" }; + return "error turning value into a string: $@" if $@; + return $value; +} + # sigkill after $timeout a $sub running in a fork if it can't write a pipe # the $sub has to return a single scalar sub run_fork_with_timeout { @@ -935,7 +939,7 @@ sub run_fork_with_timeout { $pipe_out->flush(); }; if (my $err = $@) { - print {$pipe_out} encode_json({ error => $err }); + print {$pipe_out} encode_json({ error => must_stringify($err) }); $pipe_out->flush(); POSIX::_exit(1); } @@ -1537,77 +1541,6 @@ sub mkdirat($$$) { return syscall(PVE::Syscall::mkdirat, $dirfd, $name, $mode) == 0; } -# NOTE: This calls the dbus main loop and must not be used when another dbus -# main loop is being used as we need to wait for the JobRemoved signal. -# Polling the job status instead doesn't work because this doesn't give us the -# distinction between success and failure. -# -# Note that the description is mandatory for security reasons. -sub enter_systemd_scope { - my ($unit, $description, %extra) = @_; - die "missing description\n" if !defined($description); - - my $timeout = delete $extra{timeout}; - - $unit .= '.scope'; - my $properties = [ [PIDs => [dbus_uint32($$)]] ]; - - foreach my $key (keys %extra) { - if ($key eq 'Slice' || $key eq 'KillMode') { - push @$properties, [$key, $extra{$key}]; - } elsif ($key eq 'CPUShares') { - push @$properties, [$key, dbus_uint64($extra{$key})]; - } elsif ($key eq 'CPUQuota') { - push @$properties, ['CPUQuotaPerSecUSec', - dbus_uint64($extra{$key} * 10000)]; - } else { - die "Don't know how to encode $key for systemd scope\n"; - } - } - - my $job; - my $done = 0; - - my $bus = Net::DBus->system(); - my $reactor = Net::DBus::Reactor->main(); - - my $service = $bus->get_service('org.freedesktop.systemd1'); - my $if = $service->get_object('/org/freedesktop/systemd1', 'org.freedesktop.systemd1.Manager'); - # Connect to the JobRemoved signal since we want to wait for it to finish - my $sigid; - my $timer; - my $cleanup = sub { - my ($no_shutdown) = @_; - $if->disconnect_from_signal('JobRemoved', $sigid) if defined($if); - $if = undef; - $sigid = undef; - $reactor->remove_timeout($timer) if defined($timer); - $timer = undef; - return if $no_shutdown; - $reactor->shutdown(); - }; - - $sigid = $if->connect_to_signal('JobRemoved', sub { - my ($id, $removed_job, $signaled_unit, $result) = @_; - return if $signaled_unit ne $unit || $removed_job ne $job; - $cleanup->(0); - die "systemd job failed\n" if $result ne 'done'; - $done = 1; - }); - - my $on_timeout = sub { - $cleanup->(0); - die "systemd job timed out\n"; - }; - - $timer = $reactor->add_timeout($timeout * 1000, Net::DBus::Callback->new(method => $on_timeout)) - if defined($timeout); - $job = $if->StartTransientUnit($unit, 'fail', $properties, []); - $reactor->run(); - $cleanup->(1); - die "systemd job never completed\n" if !$done; -} - my $salt_starter = time(); sub encrypt_pw {