PIDFILE=/var/run/pvestatd.pid
+# Exit if the package is not installed
test -f $DAEMON || exit 0
+[ -e /proxmox_install_mode ] && exit 0
+
+# avoid warnings about uninstalled locales
+export LC_ALL="C"
case "$1" in
- start)
- log_daemon_msg "Starting $DESC" "$NAME"
- start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON
- log_end_msg $?
- ;;
- stop)
- log_daemon_msg "Stopping $DESC" "$NAME"
- start-stop-daemon --stop --quiet --retry TERM/5/TERM/10/KILL/2 --pidfile $PIDFILE
- log_end_msg $?
- ;;
- reload)
- log_daemon_msg "Reloading $DESC" "$NAME"
- if ( [ -e $PIDFILE ] && kill -0 `cat $PIDFILE`) then
- start-stop-daemon --stop --quiet --pidfile $PIDFILE --signal HUP
- else
- start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON
- fi
- log_end_msg $?
- ;;
- restart|force-reload)
- log_daemon_msg "Restarting $DESC" "$NAME"
- start-stop-daemon --stop --quiet --retry TERM/5/TERM/10/KILL/2 --pidfile $PIDFILE
- start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON
- log_end_msg $?
- ;;
- *)
- N=/etc/init.d/$NAME
- echo "Usage: $N {start|stop|reload|restart|force-reload}" >&2
- exit 1
+ start)
+ log_daemon_msg "Starting $DESC" "$NAME"
+ $DAEMON start
+ log_end_msg $?
+ ;;
+ stop)
+ log_daemon_msg "Stopping $DESC" "$NAME"
+ $DAEMON stop
+ log_end_msg $?
+ ;;
+ status)
+ $DAEMON status
+ ;;
+ reload|restart|force-reload)
+ log_daemon_msg "Restarting $DESC" "$NAME"
+ $DAEMON restart
+ log_end_msg $?
+ ;;
+ *)
+ N=/etc/init.d/$NAME
+ echo "Usage: $N {start|stop|status|reload|restart|force-reload}" >&2
+ exit 1
;;
esac
use strict;
use warnings;
use PVE::SafeSyslog;
-use POSIX ":sys_wait_h";
-use Fcntl ':flock';
-use Getopt::Long;
+use PVE::Daemon;
+
use Time::HiRes qw (gettimeofday);
use PVE::Tools qw(dir_glob_foreach file_read_firstline);
use PVE::ProcFSTools;
use PVE::API2::Subscription;
use PVE::AutoBalloon;
-$SIG{'__WARN__'} = sub {
- my $err = $@;
- my $t = $_[0];
- chomp $t;
- syslog('warning', "WARNING: %s", $t);
- $@ = $err;
-};
-
-initlog('pvestatd');
-
-$ENV{'PATH'} = '/sbin:/bin:/usr/sbin:/usr/bin';
-
-die "please run as root\n" if $> != 0;
-
-my $nodename = PVE::INotify::nodename();
+use base qw(PVE::Daemon);
my $opt_debug;
-if (!GetOptions ('debug' => \$opt_debug)) {
- die "USAGE: $0 [--debug]\n";
-}
-
-my $opt_pidfile = "/var/run/pvestatd.pid";
+my $cmdline = [$0, @ARGV];
-sub lockpidfile {
- my $pidfile = shift;
- my $lkfn = "$pidfile.lock";
+my %daemon_options = (restart_on_error => 5, stop_wait_time => 5);
- if (!open (FLCK, ">>$lkfn")) {
- my $msg = "can't aquire lock on file '$lkfn' - $!";
- syslog ('err', $msg);
- die "ERROR: $msg\n";
- }
+my $daemon = __PACKAGE__->new('pvestatd', $cmdline, %daemon_options);
- if (!flock (FLCK, LOCK_EX|LOCK_NB)) {
- close (FLCK);
- my $msg = "can't aquire lock '$lkfn' - $!";
- syslog ('err', $msg);
- die "ERROR: $msg\n";
- }
-}
+my $rpcenv = PVE::RPCEnvironment->init('cli');
-sub writepidfile {
- my $pidfile = shift;
+$rpcenv->init_request();
+$rpcenv->set_language($ENV{LANG});
+$rpcenv->set_user('root@pam');
- if (!open (PIDFH, ">$pidfile")) {
- my $msg = "can't open pid file '$pidfile' - $!";
- syslog ('err', $msg);
- die "ERROR: $msg\n";
- }
- print PIDFH "$$\n";
- close (PIDFH);
-}
-
-# try to get the lock
-lockpidfile($opt_pidfile);
-
-# run in background
-my $spid;
-
-my $restart = $ENV{RESTART_PVESTATD};
+my $nodename = PVE::INotify::nodename();
+my $restart_request = 0;
-if (!$opt_debug) {
- open STDIN, '</dev/null' || die "can't read /dev/null";
- open STDOUT, '>/dev/null' || die "can't write /dev/null";
-}
+sub init {
+ my ($self) = @_;
-if (!$restart && !$opt_debug) {
- $spid = fork();
- if (!defined ($spid)) {
- my $msg = "can't put server into background - fork failed";
- syslog('err', $msg);
- die "ERROR: $msg\n";
- } elsif ($spid) { #parent
- exit (0);
- }
+ PVE::Cluster::cfs_update();
}
-writepidfile($opt_pidfile);
-
-open STDERR, '>&STDOUT' || die "can't close STDERR\n";
+sub shutdown {
+ my ($self) = @_;
-sub cleanup {
- unlink "$opt_pidfile.lock";
- unlink "$opt_pidfile";
-}
-
-$SIG{INT} = $SIG{TERM} = $SIG{QUIT} = sub {
syslog('info' , "server closing");
- $SIG{INT} = 'DEFAULT';
-
# wait for children
1 while (waitpid(-1, POSIX::WNOHANG()) > 0);
- cleanup();
-
- exit (0);
-};
+ $self->exit_daemon(0);
+}
-PVE::INotify::inotify_init();
+sub hup {
+ my ($self) = @_;
-my $reload_config;
+ syslog('info' , "received signal HUP");
-if ($restart) {
- syslog('info' , "restarting server");
-} else {
- syslog('info' , "starting server");
+ $restart_request = 1;
}
-$SIG{HUP} = sub {
- $reload_config = 1;
-};
-
sub update_node_status {
my ($avg1, $avg5, $avg15) = PVE::ProcFSTools::read_loadavg();
return $res;
}
+
sub remove_stale_openvz_consoles {
my $vmstatus = PVE::OpenVZ::vmstatus();
my $cycle = 0;
my $updatetime = 10;
-my $commandline = [$0, @ARGV];
-
-$0 = "pvestatd";
-
-sub restart_server {
- my $waittime = shift;
-
- syslog('info', "server shutdown (restart)");
-
- $ENV{RESTART_PVESTATD} = 1;
-
- sleep($waittime) if $waittime; # avoid high server load due to restarts
-
- PVE::INotify::inotify_close();
-
- exec (@$commandline);
- exit (-1); # never reached?
-}
-
my $initial_memory_usage;
-for (;;) { # forever
+sub run {
+ my ($self) = @_;
- eval {
- $next_update = time() + $updatetime;
+ for (;;) { # forever
+
+ $next_update = time() + $updatetime;
if ($cycle) {
my ($ccsec, $cusec) = gettimeofday ();
eval {
- $reload_config = 0;
# syslog('info', "start status update");
PVE::Cluster::cfs_update();
update_status();
if ($diff > 5*1024*1024) {
syslog ('info', "restarting server after $cycle cycles to " .
"reduce memory usage (free $mem->{resident} ($diff) bytes)");
- restart_server ();
+ $self->restart_daemon();
}
}
my $wcount = 0;
while ((time() < $next_update) &&
($wcount < $updatetime) && # protect against time wrap
- !$reload_config) { $wcount++; sleep (1); };
- };
+ !$restart_request) { $wcount++; sleep (1); };
- my $err = $@;
-
- if ($err) {
- syslog ('err', "ERROR: $err");
- restart_server(5);
- exit (0);
+ $self->restart_daemon() if $restart_request;
}
}
+$daemon->register_start_command(__PACKAGE__);
+$daemon->register_restart_command(__PACKAGE__);
+$daemon->register_stop_command(__PACKAGE__);
+$daemon->register_status_command(__PACKAGE__);
+
+my $cmddef = {
+ start => [ __PACKAGE__, 'start', []],
+ restart => [ __PACKAGE__, 'restart', []],
+ stop => [ __PACKAGE__, 'stop', []],
+ status => [ __PACKAGE__, 'status', [], undef, sub { print shift . "\n";} ],
+};
+
+my $cmd = shift;
+
+PVE::CLIHandler::handle_cmd($cmddef, $0, $cmd, \@ARGV, undef, $0);
+
exit (0);
__END__
=head1 SYNOPSIS
-pvestatd
+=include synopsis
=head1 DESCRIPTION
-Documentation is available at www.proxmox.com
+This daemom queries the status of VMs, storages and containers at
+regular intervals. The result is sent to all nodes in the cluster.
+
+=include pve_copyright