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Fix 100% Cpu main process when a child is killed

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This commit is contained in:
Quentin Garnier 2014-07-18 13:11:29 +02:00
parent 5bf71612d6
commit c9982490d5
2 changed files with 64 additions and 30 deletions
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2
connectors/vmware/centreon_esx_client.pl
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@ -6,7 +6,7 @@ use IO::Socket;
use Getopt::Long; use Getopt::Long;
my $PROGNAME = $0; my $PROGNAME = $0;
my $VERSION = "1.5.3"; my $VERSION = "1.5.5";
my %ERRORS = (OK => 0, WARNING => 1, CRITICAL => 2, UNKNOWN => 3, DEPENDENT => 4); my %ERRORS = (OK => 0, WARNING => 1, CRITICAL => 2, UNKNOWN => 3, DEPENDENT => 4);
my $socket; my $socket;
my $separatorin = '~'; my $separatorin = '~';

92
connectors/vmware/centreonesxd.pm
View File

@ -20,7 +20,7 @@ BEGIN {
use base qw(centreon::script); use base qw(centreon::script);
use vars qw(%centreonesxd_config); use vars qw(%centreonesxd_config);
my $VERSION = "1.5.3"; my $VERSION = "1.5.5";
my %handlers = (TERM => {}, HUP => {}, CHLD => {}); my %handlers = (TERM => {}, HUP => {}, CHLD => {});
my @load_modules = ('centreon::esxd::cmdcountvmhost', my @load_modules = ('centreon::esxd::cmdcountvmhost',
'centreon::esxd::cmdcpuhost', 'centreon::esxd::cmdcpuhost',
@ -240,6 +240,29 @@ sub load_module {
} }
} }
sub verify_child_vsphere {
my $self = shift;
# Don't need that. We need to quit. Don't want to recreate sub-process :)
return if ($self->{stop} != 0);
# Some dead process. need to relaunch it
foreach (keys %{$self->{return_child}}) {
delete $self->{return_child}->{$_};
if (defined($self->{centreonesxd_config}->{vsphere_server}->{$_})) {
$self->{logger}->writeLogError("Sub-process for '" . $self->{centreonesxd_config}->{vsphere_server}->{$_}->{name} . "' dead ???!! We relaunch it");
close $self->{centreonesxd_config}->{vsphere_server}->{ $self->{centreonesxd_config}->{vsphere_server}->{$_}->{name} }->{writer_two};
close $self->{centreonesxd_config}->{vsphere_server}->{ $self->{centreonesxd_config}->{vsphere_server}->{$_}->{name} }->{reader_one};
delete $self->{filenos}->{ $self->{centreonesxd_config}->{vsphere_server}->{$_}->{fd} };
$self->{read_select}->remove($self->{centreonesxd_config}->{vsphere_server}->{$_}->{fd});
$self->create_vsphere_child(vsphere_name => $self->{centreonesxd_config}->{vsphere_server}->{$_}->{name});
delete $self->{centreonesxd_config}->{vsphere_server}->{$_};
}
}
}
sub verify_child { sub verify_child {
my $self = shift; my $self = shift;
my $progress = 0; my $progress = 0;
@ -423,6 +446,39 @@ sub vsphere_handler {
} }
} }
sub create_vsphere_child {
my ($self, %options) = @_;
$self->{logger}->writeLogInfo("Create vsphere sub-process for '" . $options{vsphere_name} . "'");
my ($reader_pipe_one, $writer_pipe_one);
my ($reader_pipe_two, $writer_pipe_two);
$self->{whoaim} = $options{vsphere_name};
pipe($reader_pipe_one, $writer_pipe_one);
pipe($reader_pipe_two, $writer_pipe_two);
$writer_pipe_one->autoflush(1);
$writer_pipe_two->autoflush(1);
$self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{reader_one} = \*$reader_pipe_one;
$self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{writer_one} = \*$writer_pipe_one;
$self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{reader_two} = \*$reader_pipe_two;
$self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{writer_two} = \*$writer_pipe_two;
$self->{child_vpshere_pid} = fork();
if (!$self->{child_vpshere_pid}) {
close $self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{reader_one};
close $self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{writer_two};
$self->vsphere_handler();
exit(0);
}
$self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{running} = 1;
$self->{centreonesxd_config}->{vsphere_server}->{$self->{child_vpshere_pid}} = { name => $self->{whoaim}, fd => fileno(${$self->{centreonesxd_config}->{vsphere_server}->{$options{vsphere_name}}->{reader_one}})};
close $self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{writer_one};
close $self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{reader_two};
$self->{filenos}->{fileno(${$self->{centreonesxd_config}->{vsphere_server}->{$options{vsphere_name}}->{reader_one}})} = 1;
$self->{read_select}->add(${$self->{centreonesxd_config}->{vsphere_server}->{$options{vsphere_name}}->{reader_one}});
}
sub run { sub run {
my $self = shift; my $self = shift;
@ -444,38 +500,13 @@ sub run {
## ##
# Create childs # Create childs
## ##
foreach (keys %{$self->{centreonesxd_config}->{vsphere_server}}) {
my ($reader_pipe_one, $writer_pipe_one);
my ($reader_pipe_two, $writer_pipe_two);
$self->{whoaim} = $_;
pipe($reader_pipe_one, $writer_pipe_one);
pipe($reader_pipe_two, $writer_pipe_two);
$writer_pipe_one->autoflush(1);
$writer_pipe_two->autoflush(1);
$self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{reader_one} = \*$reader_pipe_one;
$self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{writer_one} = \*$writer_pipe_one;
$self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{reader_two} = \*$reader_pipe_two;
$self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{writer_two} = \*$writer_pipe_two;
$self->{child_vpshere_pid} = fork();
if (!$self->{child_vpshere_pid}) {
close $self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{reader_one};
close $self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{writer_two};
$self->vsphere_handler();
exit(0);
}
$self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{running} = 1;
close $self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{writer_one};
close $self->{centreonesxd_config}->{vsphere_server}->{$self->{whoaim}}->{reader_two};
}
$self->{read_select} = new IO::Select(); $self->{read_select} = new IO::Select();
$self->{read_select}->add($server); $self->{read_select}->add($server);
foreach (keys %{$self->{centreonesxd_config}->{vsphere_server}}) { foreach (keys %{$self->{centreonesxd_config}->{vsphere_server}}) {
$self->{filenos}->{fileno(${$self->{centreonesxd_config}->{vsphere_server}->{$_}->{reader_one}})} = 1; $self->create_vsphere_child(vsphere_name => $_);
$self->{read_select}->add(${$self->{centreonesxd_config}->{vsphere_server}->{$_}->{reader_one}});
} }
my $socket_fileno = fileno($server); my $socket_fileno = fileno($server);
$self->{logger}->writeLogInfo("[Server accepting clients]"); $self->{logger}->writeLogInfo("[Server accepting clients]");
while (1) { while (1) {
@ -568,6 +599,9 @@ sub run {
} }
} }
# Check if there some dead sub-process.
$self->verify_child_vsphere();
# Verify socket # Verify socket
foreach (keys %{$self->{sockets}}) { foreach (keys %{$self->{sockets}}) {
if (time() - $self->{sockets}->{$_}->{ctime} > $self->{centreonesxd_config}->{timeout}) { if (time() - $self->{sockets}->{$_}->{ctime} > $self->{centreonesxd_config}->{timeout}) {