X-Git-Url: http://git.freeside.biz/gitweb/?a=blobdiff_plain;f=FS%2Fbin%2Ffreeside-queued;h=8c07638b3fd66661a3b487af9242be2db6c47901;hb=4ee28b411fa819a420926b8a6e60be043fdb1d2e;hp=098e33f54cdac951bbb594dbe702a3c04cf712f4;hpb=842df85f746a2e1b961d6c9e3a8c5cc3678ae6dd;p=freeside.git diff --git a/FS/bin/freeside-queued b/FS/bin/freeside-queued index 098e33f54..8c07638b3 100644 --- a/FS/bin/freeside-queued +++ b/FS/bin/freeside-queued @@ -1,53 +1,110 @@ #!/usr/bin/perl -w use strict; -use vars qw( $log_file $sigterm $sigint ); -use subs qw( _die _logmsg ); -use Fcntl qw(:flock); -use POSIX qw(setsid); -use Date::Format; +use vars qw( $DEBUG $kids $max_kids %kids ); +use POSIX qw(:sys_wait_h); use IO::File; -use FS::UID qw(adminsuidsetup); -use FS::Record qw(qsearchs); +use FS::UID qw(adminsuidsetup forksuidsetup driver_name dbh myconnect); +use FS::Daemon qw(daemonize1 drop_root logfile daemonize2 sigint sigterm); +use FS::Record qw(qsearch qsearchs); use FS::queue; +use FS::queue_depend; -# no autoloading just yet -use FS::cust_main; -use FS::svc_acct; -use Net::SSH; +# no autoloading for non-FS classes... +use Net::SSH 0.07; -my $pid_file = '/var/run/freeside-queued.pid'; +$DEBUG = 0; -$SIG{CHLD} = sub { wait }; #zombie prevention +$max_kids = '10'; #guess it should be a config file... +$kids = 0; my $user = shift or die &usage; -&daemonize; +warn "starting daemonization (forking)\n" if $DEBUG; +#daemonize1('freeside-queued',$user); #to keep pid files unique w/multi installs +daemonize1('freeside-queued'); - $sigterm = 0; - $sigint = 0; -$SIG{INT} = sub { warn "SIGINT received; shutting down\n"; $sigint++; }; -$SIG{TERM} = sub { warn "SIGTERM received; shutting down\n"; $sigterm++; }; +warn "dropping privledges\n" if $DEBUG; +drop_root(); -$> = $FS::UID::freeside_uid unless $>; -adminsuidsetup $user; -$log_file = "/usr/local/etc/freeside/queuelog.". $FS::UID::datasrc; +$ENV{HOME} = (getpwuid($>))[7]; #for ssh -$SIG{__DIE__} = \&_die; -$SIG{__WARN__} = \&_logmsg; +warn "connecting to database\n" if $DEBUG; +$@ = 'not connected'; +while ( $@ ) { + eval { adminsuidsetup $user; }; + if ( $@ ) { + warn $@; + warn "sleeping for reconnect...\n"; + sleep 5; + } +} + +logfile( "%%%FREESIDE_LOG%%%/queuelog.". $FS::UID::datasrc ); -warn "freesied-queued starting\n"; +warn "completing daemonization (detaching))\n" if $DEBUG; +daemonize2(); +#-- + +my $warnkids=0; while (1) { - my $job = qsearchs( - 'queue', - { 'status' => 'new' }, - '', - 'ORDER BY jobnum FOR UPDATE LIMIT 1' - ) or do { - sleep 5; + &reap_kids; + #prevent runaway forking + if ( $kids >= $max_kids ) { + warn "WARNING: maximum $kids children reached\n" unless $warnkids++; + &reap_kids; + sleep 1; #waiting for signals is cheap + next; + } + $warnkids=0; + + unless ( dbh && dbh->ping ) { + warn "WARNING: connection to database lost, reconnecting...\n"; + + eval { $FS::UID::dbh = myconnect; }; + + unless ( !$@ && dbh && dbh->ping ) { + warn "WARNING: still no connection to database, sleeping for retry...\n"; + sleep 10; + next; + } else { + warn "WARNING: reconnected to database\n"; + } + } + + #my($job, $ljob); + #{ + # my $oldAutoCommit = $FS::UID::AutoCommit; + # local $FS::UID::AutoCommit = 0; + $FS::UID::AutoCommit = 0; + + my $nodepend = 'AND 0 = ( SELECT COUNT(*) FROM queue_depend'. + ' WHERE queue_depend.jobnum = queue.jobnum )'; + + #anything with a priority goes after stuff without one + my $order_by = ' ORDER BY COALESCE(priority,0) ASC, jobnum ASC '; + + $order_by .= ( driver_name eq 'mysql' + ? ' LIMIT 1 FOR UPDATE ' + : ' FOR UPDATE LIMIT 1 ' ); + + my $job = qsearchs({ + 'table' => 'queue', + 'hashref' => { 'status' => 'new' }, + 'extra_sql' => $nodepend, + 'order_by' => $order_by, + }) or do { + # if $oldAutoCommit { + dbh->commit or do { + warn "WARNING: database error, closing connection: ". dbh->errstr; + undef $FS::UID::dbh; + next; + }; + # } + sleep 1; next; }; @@ -55,71 +112,110 @@ while (1) { $hash{'status'} = 'locked'; my $ljob = new FS::queue ( \%hash ); my $error = $ljob->replace($job); - die $error if $error; + if ( $error ) { + warn "WARNING: database error locking job, closing connection: ". + dbh->errstr; + undef $FS::UID::dbh; + next; + } - my @args = $ljob->args; + # if $oldAutoCommit { + dbh->commit or do { + warn "WARNING: database error, closing connection: ". dbh->errstr; + undef $FS::UID::dbh; + next; + }; + # } - #fork a child for each job (up to some maximum perhaps?) - #single-threaded for now. + $FS::UID::AutoCommit = 1; + #} - my $eval = "&". $ljob->job. '(@args);'; - warn "running $eval"; - eval $eval; - if ( $@ ) { - warn "job $eval failed"; - my $hash = $ljob->hash; + my @args = $ljob->args; + splice @args, 0, 1, $ljob if $args[0] eq '_JOB'; + + defined( my $pid = fork ) or do { + warn "WARNING: can't fork: $!\n"; + my %hash = $job->hash; $hash{'status'} = 'failed'; - my $fjob = new FS::queue( \%hash ); - my $error = $fjob->replace($ljob); + $hash{'statustext'} = "[freeside-queued] can't fork: $!"; + my $ljob = new FS::queue ( \%hash ); + my $error = $ljob->replace($job); die $error if $error; - } else { - $ljob->delete; + next; #don't increment the kid counter + }; + + if ( $pid ) { + $kids++; + $kids{$pid} = 1; + } else { #kid time + + #get new db handle + $FS::UID::dbh->{InactiveDestroy} = 1; + + forksuidsetup($user); + + #auto-use classes... + #if ( $ljob->job =~ /(FS::part_export::\w+)::/ ) { + if ( $ljob->job =~ /(FS::(part_export|cust_main)::\w+)::/ + || $ljob->job =~ /(FS::\w+)::/ + ) + { + my $class = $1; + eval "use $class;"; + if ( $@ ) { + warn "job use $class failed"; + my %hash = $ljob->hash; + $hash{'status'} = 'failed'; + $hash{'statustext'} = $@; + my $fjob = new FS::queue( \%hash ); + my $error = $fjob->replace($ljob); + die $error if $error; + exit; #end-of-kid + }; + } + + my $eval = "&". $ljob->job. '(@args);'; + warn 'running "&'. $ljob->job. '('. join(', ', @args). ")\n" if $DEBUG; + eval $eval; #throw away return value? suppose so + if ( $@ ) { + warn "job $eval failed"; + my %hash = $ljob->hash; + $hash{'status'} = 'failed'; + $hash{'statustext'} = $@; + my $fjob = new FS::queue( \%hash ); + my $error = $fjob->replace($ljob); + die $error if $error; + } else { + $ljob->delete; + } + + exit; + #end-of-kid } } continue { - if ( $sigterm ) { + if ( sigterm() ) { warn "received TERM signal; exiting\n"; exit; } - if ( $sigint ) { + if ( sigint() ) { warn "received INT signal; exiting\n"; exit; } } -sub _die { - my $msg = shift; - unlink $pid_file if -e $pid_file; - _logmsg($msg); -} - -sub _logmsg { - chomp( my $msg = shift ); - my $log = new IO::File ">>$log_file"; - flock($log, LOCK_EX); - seek($log, 0, 2); - print $log "[". time2str("%a %b %e %T %Y",time). "] [$$] $msg\n"; - flock($log, LOCK_UN); - close $log; +sub usage { + die "Usage:\n\n freeside-queued user\n"; } -sub daemonize { - - chdir "/" or die "Can't chdir to /: $!"; - open STDIN, '/dev/null' or die "Can't read /dev/null: $!"; - defined(my $pid = fork) or die "Can't fork: $!"; - if ( $pid ) { - print "freeside-queued started with pid $pid\n"; #logging to $log_file\n"; - exit unless $pid_file; - my $pidfh = new IO::File ">$pid_file" or exit; - print $pidfh "$pid\n"; - exit; +sub reap_kids { + foreach my $pid ( keys %kids ) { + my $kid = waitpid($pid, WNOHANG); + if ( $kid > 0 ) { + $kids--; + delete $kids{$kid}; + } } - open STDOUT, '>/dev/null' - or die "Can't write to /dev/null: $!"; - setsid or die "Can't start a new session: $!"; - open STDERR, '>&STDOUT' or die "Can't dup stdout: $!"; - } =head1 NAME