X-Git-Url: http://git.freeside.biz/gitweb/?p=freeside.git;a=blobdiff_plain;f=FS%2Fbin%2Ffreeside-queued;h=a3fb7e562a577ff35d942813fa7a132c0567618f;hp=6fb294db83d9582165d8dc805e9022893790c06a;hb=6cf964d0dc008621fb30fd2da28e2c44f29c6364;hpb=cb69afd435095144bea83565973561045e28c6a6 diff --git a/FS/bin/freeside-queued b/FS/bin/freeside-queued index 6fb294db8..a3fb7e562 100644 --- a/FS/bin/freeside-queued +++ b/FS/bin/freeside-queued @@ -1,79 +1,227 @@ #!/usr/bin/perl -w use strict; -use vars qw( $log_file $sigterm $sigint ); +use vars qw( $log_file $sigterm $sigint $kids $max_kids %kids ); use subs qw( _die _logmsg ); use Fcntl qw(:flock); -use POSIX qw(setsid); +use POSIX qw(:sys_wait_h setsid); use Date::Format; 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::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; +use Net::SSH 0.07; +use FS::part_export; -my $pid_file = '/var/run/freeside-queued.pid'; - -$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; +#my $pid_file = "/var/run/freeside-queued.$user.pid"; +my $pid_file = "/var/run/freeside-queued.pid"; + +&daemonize1; + +#sub REAPER { my $pid = wait; $SIG{CHLD} = \&REAPER; $kids--; } +#$SIG{CHLD} = \&REAPER; - $sigterm = 0; - $sigint = 0; +$sigterm = 0; +$sigint = 0; $SIG{INT} = sub { warn "SIGINT received; shutting down\n"; $sigint++; }; $SIG{TERM} = sub { warn "SIGTERM received; shutting down\n"; $sigterm++; }; -$> = $FS::UID::freeside_uid unless $>; -adminsuidsetup $user; +my $freeside_gid = scalar(getgrnam('freeside')) + or die "can't setgid to freeside group\n"; +$) = $freeside_gid; +$( = $freeside_gid; +#if freebsd can't setuid(), presumably it can't setgid() either. grr fleabsd +($(,$)) = ($),$(); +$) = $freeside_gid; + +$> = $FS::UID::freeside_uid; +$< = $FS::UID::freeside_uid; +#freebsd is sofa king broken, won't setuid() +($<,$>) = ($>,$<); +$> = $FS::UID::freeside_uid; + +$ENV{HOME} = (getpwuid($>))[7]; #for ssh + +$@ = 'not connected'; +while ( $@ ) { + eval { adminsuidsetup $user; }; + if ( $@ ) { + warn $@; + warn "sleeping for reconnect...\n"; + sleep 5; + } +} $log_file = "/usr/local/etc/freeside/queuelog.". $FS::UID::datasrc; +&daemonize2; + $SIG{__DIE__} = \&_die; $SIG{__WARN__} = \&_logmsg; -warn "freesied-queued starting\n"; +warn "freeside-queued starting\n"; +my $warnkids=0; while (1) { + &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; + + #assuming mysql 4.1 w/subqueries now + #my $nodepend = driver_name eq 'mysql' + # ? '' + # : 'AND 0 = ( SELECT COUNT(*) FROM queue_depend'. + # ' WHERE queue_depend.jobnum = queue.jobnum ) '; + my $nodepend = 'AND 0 = ( SELECT COUNT(*) FROM queue_depend'. + ' WHERE queue_depend.jobnum = queue.jobnum ) '; + my $job = qsearchs( 'queue', { 'status' => 'new' }, '', - 'ORDER BY jobnum FOR UPDATE LIMIT 1' + driver_name eq 'mysql' + ? "$nodepend ORDER BY jobnum LIMIT 1 FOR UPDATE" + : "$nodepend ORDER BY jobnum FOR UPDATE LIMIT 1" ) or do { - sleep 5; + # if $oldAutoCommit { + dbh->commit or do { + warn "WARNING: database error, closing connection: ". dbh->errstr; + undef $FS::UID::dbh; + next; + }; + # } + sleep 5; #connecting to db is expensive next; }; + #assuming mysql 4.1 w/subqueries now + #if ( driver_name eq 'mysql' + # && qsearch('queue_depend', { 'jobnum' => $job->jobnum } ) ) { + # dbh->commit or die dbh->errstr; #if $oldAutoCommit; + # sleep 5; #would be better if mysql could do everything in query above + # next; + #} + my %hash = $job->hash; $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::\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 $eval"; + 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 { @@ -107,7 +255,7 @@ sub _logmsg { close $log; } -sub daemonize { +sub daemonize1 { chdir "/" or die "Can't chdir to /: $!"; open STDIN, '/dev/null' or die "Can't read /dev/null: $!"; @@ -119,11 +267,28 @@ sub daemonize { print $pidfh "$pid\n"; exit; } + #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: $!"; + +} + +sub daemonize2 { 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: $!"; +} +sub reap_kids { + foreach my $pid ( keys %kids ) { + my $kid = waitpid($pid, WNOHANG); + if ( $kid > 0 ) { + $kids--; + delete $kids{$kid}; + } + } } =head1 NAME