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defect 2966: fixed the issue that xcat pid files were put in /tmp/xcat which would be cleaned periodically. now move it to /var/run/xcat

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.7@14499 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
daniceexi 2012-11-30 09:09:00 +00:00
parent 80dbeffa85
commit 441261bb2f
2 changed files with 27 additions and 15 deletions
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30
xCAT-server/sbin/xcatd
View File

@ -227,7 +227,7 @@ my $socket;
my $retry=1;
$SIG{USR2} = sub {
if ($socket) { #do not mess with pid file except when we still have the socket.
unlink("/tmp/xcat/installservice.pid"); close($socket); $quit=1;
unlink("/var/run/xcat/installservice.pid"); close($socket); $quit=1;
xCAT::MsgUtils->message("S","xcatd install monitor $$ quiescing");
}
};
@ -242,7 +242,7 @@ my $socket;
ReuseAddr => 1,
Listen => 8192);
}
if (not $socket and open($installpidfile,"<","/tmp/xcat/installservice.pid")) { #if we couldn't get the socket, go to pid to figure out current owner
if (not $socket and open($installpidfile,"<","/var/run/xcat/installservice.pid")) { #if we couldn't get the socket, go to pid to figure out current owner
#TODO: lsof or similar may be a more accurate measure
my $pid = <$installpidfile>;
if ($pid) {
@ -273,7 +273,7 @@ sleep 0.05; #up to 50 ms outage possible
die;
}
#we have the socket, now we claim the pid file as our own
open($installpidfile,">","/tmp/xcat/installservice.pid"); #if here, everyone else has unlinked installservicepid or doesn't care
open($installpidfile,">","/var/run/xcat/installservice.pid"); #if here, everyone else has unlinked installservicepid or doesn't care
print $installpidfile $$;
close($installpidfile);
until ($quit) {
@ -432,10 +432,10 @@ if ($inet6support) {
}
}
}
if (open($installpidfile,"<","/tmp/xcat/installservice.pid")) {
if (open($installpidfile,"<","/var/run/xcat/installservice.pid")) {
my $pid = <$installpidfile>;
if ($pid == $$) { #if our pid, unlink the file, otherwise, we managed to see the pid after someone else created it
unlink("/tmp/xcat/installservice.pid");
unlink("/var/run/xcat/installservice.pid");
}
close($installpidfile);
}
@ -457,7 +457,7 @@ sub do_udp_service { #This function opens up a UDP port
$SIG{USR2} = sub {
if ($socket) {
#only clear out pid file when we still have socket.
unlink("/tmp/xcat/udpservice.pid"); close($socket); $quit=1; $socket=0;
unlink("/var/run/xcat/udpservice.pid"); close($socket); $quit=1; $socket=0;
xCAT::MsgUtils->message("S","xcatd udp service $$ quiescing");
}
};
@ -470,7 +470,7 @@ sub do_udp_service { #This function opens up a UDP port
Proto => 'udp',
Domain => AF_INET);
}
if (not $socket and open($udppidfile,"<","/tmp/xcat/udpservice.pid")) {
if (not $socket and open($udppidfile,"<","/var/run/xcat/udpservice.pid")) {
my $pid = <$udppidfile>;
if ($pid) {
$retry=100; #grace period for old instance to get out of the way, 5 seconds
@ -500,7 +500,7 @@ sleep 0.05;
die "Unable to start UDP on $port";
}
#only take udp pid if we get the socket
open($udppidfile,">","/tmp/xcat/udpservice.pid"); #if here, everyone else has unlinked udpservicepid or doesn't care
open($udppidfile,">","/var/run/xcat/udpservice.pid"); #if here, everyone else has unlinked udpservicepid or doesn't care
print $udppidfile $$;
close($udppidfile);
$select->add($socket);
@ -574,10 +574,10 @@ sleep 0.05;
exit 1;
}
}
if (open($udppidfile,"<","/tmp/xcat/udpservice.pid")) {
if (open($udppidfile,"<","/var/run/xcat/udpservice.pid")) {
my $pid = <$udppidfile>;
if ($pid == $$) { #if our pid, unlink the file, otherwise, we managed to see the pid after someone else created it
unlink("/tmp/xcat/udpservice.pid");
unlink("/var/run/xcat/udpservice.pid");
}
close($udppidfile);
}
@ -794,7 +794,7 @@ my $listener;
my $mainpidfile;
$SIG{USR2} = sub {
if ($listener) {
unlink("/tmp/xcat/mainservice.pid"); close($listener); $quit=1; $listener=0;
unlink("/var/run/xcat/mainservice.pid"); close($listener); $quit=1; $listener=0;
xCAT::MsgUtils->message("S","xcatd main service $$ quiescing");
}
};
@ -811,7 +811,7 @@ $SIG{USR2} = sub {
Reuse => 1,
);
}
if (not $listener and open($mainpidfile,"<","/tmp/xcat/mainservice.pid")) {
if (not $listener and open($mainpidfile,"<","/var/run/xcat/mainservice.pid")) {
my $pid = <$mainpidfile>;
if ($pid) {
$retry=100; #grace period for old instance to get out of the way, 5 seconds
@ -851,7 +851,7 @@ unless ($listener) {
die "ERROR:Unable to start xCAT service on port $port.";
}
#only write to pid file if we have listener, listener ownership serves as lock to protect integrity
open($mainpidfile,">","/tmp/xcat/mainservice.pid"); #if here, everyone else has unlinked mainservicepid or doesn't care
open($mainpidfile,">","/var/run/xcat/mainservice.pid"); #if here, everyone else has unlinked mainservicepid or doesn't care
print $mainpidfile $$;
close($mainpidfile);
closelog();
@ -954,10 +954,10 @@ if ($inet6support) {
$sslclients++; #THROTTLE
$cnnection->close();
}
if (open($mainpidfile,"<","/tmp/xcat/mainservice.pid")) {
if (open($mainpidfile,"<","/var/run/xcat/mainservice.pid")) {
my $pid = <$mainpidfile>;
if ($pid == $$) { #if our pid, unlink the file, otherwise, we managed to see the pid after someone else created it
unlink("/tmp/xcat/mainservice.pid");
unlink("/var/run/xcat/mainservice.pid");
}
close($mainpidfile);
}

12
xCAT/xCAT.spec
View File

@ -132,6 +132,8 @@ mkdir -p $RPM_BUILD_ROOT/%{prefix}/share/doc/packages/xCAT
cp LICENSE.html $RPM_BUILD_ROOT/%{prefix}/share/doc/packages/xCAT
%post
# create dir for the current pid
mkdir -p /var/run/xcat
%ifnos linux
. /etc/profile
%else
@ -141,6 +143,16 @@ cp -f $RPM_INSTALL_PREFIX0/share/xcat/scripts/xHRM /install/postscripts/
if [ "$1" = "1" ]; then #Only if installing for the first time..
$RPM_INSTALL_PREFIX0/sbin/xcatconfig -i
else
if [ -r "/tmp/xcat/installservice.pid" ]; then
mv /tmp/xcat/installservice.pid /var/run/xcat/installservice.pid
fi
if [ -r "/tmp/xcat/udpservice.pid" ]; then
mv /tmp/xcat/udpservice.pid /var/run/xcat/udpservice.pid
fi
if [ -r "/tmp/xcat/mainservice.pid" ]; then
mv /tmp/xcat/mainservice.pid /var/run/xcat/mainservice.pid
fi
$RPM_INSTALL_PREFIX0/sbin/xcatconfig -u
fi
exit 0