aleesa-bot/aleesa-telegram
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Implement logging via Log::Any, cleanup, remove logger()

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This commit is contained in:
eleksir
2020-12-13 15:51:24 +03:00
parent a9193faf12
commit e861f5420b
13 changed files with 146 additions and 173 deletions
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54
bin/aleesa-telegram-bot
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@@ -26,18 +26,23 @@ use Cwd::utf8 qw(chdir abs_path);
use POSIX qw(setgid setuid setsid);
use File::Path qw(make_path);
use File::Basename qw(basename dirname);
use Log::Any::Adapter;
use Log::Any::For::Std;
use conf qw(loadConf);
use botlib qw(logger);
use telegrambot qw(run_telegrambot);
sub daemonize;
sub __fork;
sub __signal_handler;
local $OUTPUT_AUTOFLUSH = 1;
my $runAsUid = $UID;
my $piddir = '/var/run/' . basename (abs_path ($PROGRAM_NAME));
my $C = loadConf ();
my $logfile;
if (defined $C->{'log'}) { $logfile = $C->{'log'}; }
elsif (defined $C->{'debug_log'}) {$logfile = $C->{'debug_log'}; }
# if we run under root, create pid dir and set correct owner for it, same for debug log if it is defined
if ($UID == 0) {
@@ -58,15 +63,19 @@ if ($UID == 0) {
);
}
if ($C->{'debug_log'}) {
unless (-d dirname ($C->{'debug_log'})) {
if (defined $logfile) {
my $logdir = dirname ($logfile);
unless (-d $logdir) {
make_path (
dirname ($C->{'debug_log'}), {
uid => $uid,
group => $gid
}
$logdir, {
uid => $uid,
group => $gid
}
);
}
die "Unable to create $logdir" unless (-d $logdir); ## no critic (ErrorHandling::RequireCarping)
}
# drop privs
@@ -76,6 +85,12 @@ if ($UID == 0) {
$piddir = $workdir;
}
if (defined $logfile) {
Log::Any::Adapter->set ('File', $logfile);
} else {
Log::Any::Adapter->set ('File', '/dev/null');
}
# double fork attach to /dev/null all stdio and go background
daemonize ();
@@ -83,17 +98,19 @@ daemonize ();
my $apath = abs_path $PROGRAM_NAME;
unless (defined $apath) {
logger "Unable to get abs_path: $OS_ERROR";
die "Unable to get abs_path: $OS_ERROR\n";
die "[FATAL] Unable to get abs_path: $OS_ERROR\n";
};
# write pidfile
my $pidfile = sprintf '%s/%s.pid', $piddir, basename $apath;
logger "Creating pidfile at $pidfile";
open my $MYPID, '>', $pidfile or die "Error opening $pidfile: $OS_ERROR\n";
print {$MYPID} $PID or die "Error writing to $pidfile: $OS_ERROR\n";
warn "[INFO] Creating pidfile at $pidfile\n";
open my $MYPID, '>', $pidfile or die "[FATAL] Error opening $pidfile: $OS_ERROR\n";
print {$MYPID} $PID or die "[FATAL] Error writing to $pidfile: $OS_ERROR\n";
close $MYPID; ## no critic (InputOutput::RequireCheckedSyscalls
local $SIG{INT} = \&__signal_handler;
local $SIG{TERM} = \&__signal_handler;
# set correct proctitle
$PROGRAM_NAME = abs_path $PROGRAM_NAME; ## no critic (Variables::RequireLocalizedPunctuationVars)
@@ -110,8 +127,9 @@ sub daemonize {
__fork ();
POSIX::setsid ();
open STDIN, '<', '/dev/null'; ## no critic (InputOutput::RequireCheckedSyscalls, InputOutput::RequireCheckedOpen)
open STDOUT, '>', '/dev/null'; ## no critic (InputOutput::RequireCheckedSyscalls, InputOutput::RequireCheckedOpen)
open STDERR, '>', '/dev/null'; ## no critic (InputOutput::RequireCheckedSyscalls, InputOutput::RequireCheckedOpen)
# we handle STDOUT && STDERR via Log::Any::For::Std, so do not close them explicitly
#open STDOUT, '>', '/dev/null'; ## no critic (InputOutput::RequireCheckedSyscalls, InputOutput::RequireCheckedOpen)
#open STDERR, '>', '/dev/null'; ## no critic (InputOutput::RequireCheckedSyscalls, InputOutput::RequireCheckedOpen)
__fork ();
umask 0;
return;
@@ -119,10 +137,16 @@ sub daemonize {
sub __fork {
my $pid = fork;
unless (defined $pid) { die "Can't fork: $OS_ERROR\n"; }
unless (defined $pid) { die "[FATAL] Can't fork: $OS_ERROR\n"; }
exit if ($pid != 0);
return;
}
sub __signal_handler {
warn "[INFO] Caught a signal $OS_ERROR\n";
unlink $pidfile if (-f $pidfile);
exit 0;
}
__END__
# vim: set ft=perl noet ai ts=4 sw=4 sts=4: