-#!/usr/bin/perl -w
+#!/usr/bin/perl
use strict;
-use PVE::SafeSyslog;
-use POSIX ":sys_wait_h";
-use Fcntl ':flock';
-use Getopt::Long;
-use Time::HiRes qw (gettimeofday);
-use PVE::Tools qw(dir_glob_foreach file_read_firstline);
-use PVE::ProcFSTools;
-use Filesys::Df;
+use warnings;
+
use PVE::INotify;
-use PVE::Cluster qw(cfs_read_file);
-use PVE::Storage;
-use PVE::QemuServer;
-use PVE::OpenVZ;
use PVE::RPCEnvironment;
-use PVE::API2::Subscription;
-use PVE::AutoBalloon;
+use PVE::SafeSyslog;
+use PVE::Service::pvestatd;
$SIG{'__WARN__'} = sub {
my $err = $@;
my $t = $_[0];
chomp $t;
- syslog('warning', "WARNING: %s", $t);
+ print STDERR "$t\n";
+ syslog('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();
-
-my $opt_debug;
-
-if (!GetOptions ('debug' => \$opt_debug)) {
- die "USAGE: $0 [--debug]\n";
-}
-
-my $opt_pidfile = "/var/run/pvestatd.pid";
-
-sub lockpidfile {
- my $pidfile = shift;
- my $lkfn = "$pidfile.lock";
-
- if (!open (FLCK, ">>$lkfn")) {
- my $msg = "can't aquire lock on file '$lkfn' - $!";
- syslog ('err', $msg);
- die "ERROR: $msg\n";
- }
-
- if (!flock (FLCK, LOCK_EX|LOCK_NB)) {
- close (FLCK);
- my $msg = "can't aquire lock '$lkfn' - $!";
- syslog ('err', $msg);
- die "ERROR: $msg\n";
- }
-}
-
-sub writepidfile {
- my $pidfile = shift;
-
- if (!open (PIDFH, ">$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 = $ENV{RESTART_PVESTATD};
-
-if (!$opt_debug) {
- open STDIN, '</dev/null' || die "can't read /dev/null";
- open STDOUT, '>/dev/null' || die "can't write /dev/null";
-}
-
-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);
- }
-}
-
-writepidfile($opt_pidfile);
-
-open STDERR, '>&STDOUT' || die "can't close STDERR\n";
-
-sub cleanup {
- unlink "$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);
-};
-
-PVE::INotify::inotify_init();
-
-my $reload_config;
-
-if ($restart) {
- syslog('info' , "restarting server");
-} else {
- syslog('info' , "starting server");
-}
+my $prepare = sub {
+ my $rpcenv = PVE::RPCEnvironment->init('priv');
-$SIG{HUP} = sub {
- $reload_config = 1;
+ $rpcenv->init_request();
+ $rpcenv->set_language($ENV{LANG});
+ $rpcenv->set_user('root@pam');
};
-sub update_node_status {
-
- my ($avg1, $avg5, $avg15) = PVE::ProcFSTools::read_loadavg();
-
- my $stat = PVE::ProcFSTools::read_proc_stat();
-
- my $netdev = PVE::ProcFSTools::read_proc_net_dev();
-
- my ($uptime) = PVE::ProcFSTools::read_proc_uptime();
-
- my $cpuinfo = PVE::ProcFSTools::read_cpuinfo();
-
- my $maxcpu = $cpuinfo->{cpus};
-
- my $subinfo = PVE::INotify::read_file('subscription');
- my $sublevel = $subinfo->{level} || '';
-
- # traffic from/to physical interface cards
- my $netin = 0;
- my $netout = 0;
- foreach my $dev (keys %$netdev) {
- next if $dev !~ m/^eth\d+$/;
- $netin += $netdev->{$dev}->{receive};
- $netout += $netdev->{$dev}->{transmit};
- }
-
- my $meminfo = PVE::ProcFSTools::read_meminfo();
-
- my $dinfo = df('/', 1); # output is bytes
-
- my $ctime = time();
-
- # everything not free is considered to be used
- my $dused = $dinfo->{blocks} - $dinfo->{bfree};
-
- my $data = "$uptime:$sublevel:$ctime:$avg1:$maxcpu:$stat->{cpu}:$stat->{wait}:" .
- "$meminfo->{memtotal}:$meminfo->{memused}:" .
- "$meminfo->{swaptotal}:$meminfo->{swapused}:" .
- "$dinfo->{blocks}:$dused:$netin:$netout";
-
- PVE::Cluster::broadcast_rrd("pve2-node/$nodename", $data);
-}
-
-sub auto_balloning {
- my ($vmstatus) = @_;
-
- my $log = sub {
- return if !$opt_debug;
- print @_;
- };
-
- my $hostmeminfo = PVE::ProcFSTools::read_meminfo();
-
- # to debug, run 'pvestatd -d' and set memtotal here
- #$hostmeminfo->{memtotal} = int(2*1024*1024*1024/0.8); # you can set this to test
-
- my $hostfreemem = $hostmeminfo->{memtotal} - $hostmeminfo->{memused};
-
- # we try to use about 80% host memory
- # goal: we want to change memory usage by this amount (positive or negative)
- my $goal = int($hostmeminfo->{memtotal}*0.8 - $hostmeminfo->{memused});
-
- my $maxchange = 100*1024*1024;
- my $res = PVE::AutoBalloon::compute_alg1($vmstatus, $goal, $maxchange);
-
- &$log("host goal: $goal free: $hostfreemem total: $hostmeminfo->{memtotal}\n");
-
- foreach my $vmid (keys %$vmstatus) {
- next if !$res->{$vmid};
- my $d = $vmstatus->{$vmid};
- my $diff = int($res->{$vmid} - $d->{balloon});
- my $absdiff = $diff < 0 ? -$diff : $diff;
- if ($absdiff > 0) {
- &$log("BALLOON $vmid to $res->{$vmid} ($diff)\n");
- eval {
- PVE::QemuServer::vm_mon_cmd($vmid, "balloon",
- value => int($res->{$vmid}));
- };
- warn $@ if $@;
- }
- }
-}
-
-sub update_qemu_status {
-
- my $ctime = time();
-
- my $vmstatus = PVE::QemuServer::vmstatus(undef, 1);
-
- eval { auto_balloning($vmstatus); };
- syslog('err', "auto ballooning error: $@") if $@;
-
- foreach my $vmid (keys %$vmstatus) {
- my $d = $vmstatus->{$vmid};
- my $data;
- my $status = $d->{qmpstatus} || $d->{status} || 'stopped';
- my $template = 0;
- if ($d->{pid}) { # running
- $data = "$d->{uptime}:$d->{name}:$status:$template:" .
- "$ctime:$d->{cpus}:$d->{cpu}:" .
- "$d->{maxmem}:$d->{mem}:" .
- "$d->{maxdisk}:$d->{disk}:" .
- "$d->{netin}:$d->{netout}:" .
- "$d->{diskread}:$d->{diskwrite}";
- } else {
- $data = "0:$d->{name}:$status:$template:$ctime:$d->{cpus}::" .
- "$d->{maxmem}::" .
- "$d->{maxdisk}:$d->{disk}:" .
- ":::";
- }
- PVE::Cluster::broadcast_rrd("pve2.3-vm/$vmid", $data);
- }
-}
-
-sub find_vzctl_console_pids {
-
- my $res = {};
-
- dir_glob_foreach('/proc', '\d+', sub {
- my ($pid) = @_;
-
- my $cmdline = file_read_firstline("/proc/$pid/cmdline");
- return if !$cmdline;
-
- my @args = split(/\0/, $cmdline);
-
- # serach for vzctl console <vmid>
- return if scalar(@args) != 3;
- return if $args[1] ne 'console';
- return if $args[2] !~ m/^\d+$/;
- return if $args[0] !~ m|^(/usr/sbin/)?vzctl$|;
-
- my $vmid = $args[2];
-
- push @{$res->{$vmid}}, $pid;
- });
-
- return $res;
-}
-sub remove_stale_openvz_consoles {
-
- my $vmstatus = PVE::OpenVZ::vmstatus();
- my $pidhash = find_vzctl_console_pids();
-
- foreach my $vmid (keys %$pidhash) {
- next if defined($vmstatus->{$vmid});
- syslog('info', "remove stale vzctl console for CT $vmid");
- foreach my $pid (@{$pidhash->{$vmid}}) {
- kill(9, $pid);
- }
- }
-}
-
-sub update_openvz_status {
-
- my $ctime = time();
-
- my $vmstatus = PVE::OpenVZ::vmstatus();
-
- foreach my $vmid (keys %$vmstatus) {
- my $d = $vmstatus->{$vmid};
- my $data;
- if ($d->{status} eq 'running') { # running
- $data = "$d->{uptime}:$d->{name}:$d->{status}:0:$ctime:$d->{cpus}:$d->{cpu}:" .
- "$d->{maxmem}:$d->{mem}:" .
- "$d->{maxdisk}:$d->{disk}:" .
- "$d->{netin}:$d->{netout}:" .
- "$d->{diskread}:$d->{diskwrite}";
- } else {
- $data = "0:$d->{name}:$d->{status}:0:$ctime:$d->{cpus}::" .
- "$d->{maxmem}::" .
- "$d->{maxdisk}:$d->{disk}:" .
- ":::";
- }
- PVE::Cluster::broadcast_rrd("pve2.3-vm/$vmid", $data);
- }
-}
-
-sub update_storage_status {
-
- my $cfg = cfs_read_file("storage.cfg");
-
- my $ctime = time();
-
- my $info = PVE::Storage::storage_info($cfg);
-
- foreach my $storeid (keys %$info) {
- my $d = $info->{$storeid};
- next if !$d->{active};
-
- # everything not free is considered to be used
- my $realused = $d->{total} - $d->{avail};
-
- my $data = "$ctime:$d->{total}:$realused";
-
- my $key = "pve2-storage/${nodename}/$storeid";
- PVE::Cluster::broadcast_rrd($key, $data);
- }
-}
-
-sub update_status {
-
- # update worker list. This is not really required and
- # we just call this to make sure that we have a correct
- # list in case of an unexpected crash.
- eval {
- my $tlist = PVE::RPCEnvironment::active_workers();
- PVE::Cluster::broadcast_tasklist($tlist);
- };
- my $err = $@;
- syslog('err', $err) if $err;
-
- eval {
- update_node_status();
- };
- $err = $@;
- syslog('err', "node status update error: $err") if $err;
-
- eval {
- update_qemu_status();
- };
- $err = $@;
- syslog('err', "qemu status update error: $err") if $err;
-
- eval {
- update_openvz_status();
- };
- $err = $@;
- syslog('err', "openvz status update error: $err") if $err;
-
- eval {
- update_storage_status();
- };
- $err = $@;
- syslog('err', "storage status update error: $err") if $err;
-
- eval {
- remove_stale_openvz_consoles();
- };
- $err = $@;
- syslog('err', "openvz console cleanup error: $err") if $err;
-}
-
-my $next_update = 0;
-
-# do not update directly after startup, because install scripts
-# have a problem with that
-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 $waittime; # avoid high server load due to restarts
-
- exec (@$commandline);
- exit (-1); # never reached?
-}
-
-my $initial_memory_usage;
-
-for (;;) { # forever
-
- eval {
- $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();
- };
- my $err = $@;
-
- if ($err) {
- syslog('err', "status update error: $err");
- }
-
- my ($ccsec_end, $cusec_end) = gettimeofday ();
- my $cptime = ($ccsec_end-$ccsec) + ($cusec_end - $cusec)/1000000;
-
- syslog('info', sprintf("status update time (%.3f seconds)", $cptime))
- if ($cptime > 5);
- }
-
- $cycle++;
-
- my $mem = PVE::ProcFSTools::read_memory_usage();
-
- if (!defined($initial_memory_usage) || ($cycle < 10)) {
- $initial_memory_usage = $mem->{resident};
- } else {
- my $diff = $mem->{resident} - $initial_memory_usage;
- if ($diff > 5*1024*1024) {
- syslog ('info', "restarting server after $cycle cycles to " .
- "reduce memory usage (free $mem->{resident} ($diff) bytes)");
- restart_server ();
- }
- }
-
- my $wcount = 0;
- while ((time() < $next_update) &&
- ($wcount < $updatetime) && # protect against time wrap
- !$reload_config) { $wcount++; sleep (1); };
- };
-
- my $err = $@;
-
- if ($err) {
- syslog ('err', "ERROR: $err");
- restart_server(5);
- exit (0);
- }
-}
-
-exit (0);
-
-__END__
-
-=head1 NAME
-
-pvestatd - PVE Status Daemon
-
-=head1 SYNOPSIS
-
-pvestatd
-
-=head1 DESCRIPTION
-
-Documentation is available at www.proxmox.com
-
-
-
-
-
+PVE::Service::pvestatd->run_cli_handler(prepare => $prepare);
projects / pve-manager.git / blobdiff