147 lines
3.8 KiB
Perl
Executable File
147 lines
3.8 KiB
Perl
Executable File
#!/usr/bin/perl -w
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#----------------------------------------------------------------------
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# copyright (C) 2005 Mitel Networks Corporation
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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#----------------------------------------------------------------------
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package esmith;
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use strict;
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use Errno;
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use DirHandle;
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my $event = shift || die "must give event name parameter";
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chdir "/etc/e-smith/events/$event" or die "Couldn't chdir to event directory /etc/e-smith/events/$event: $!";
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my $dh = DirHandle->new("services2adjust");
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exit(0) unless $dh; # Nothing to do
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use esmith::ConfigDB;
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use esmith::util;
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my %param2char = (
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down => 'd',
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stop => 'd',
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up => 'u',
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start => 'u',
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restart => 't',
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sigterm => 't',
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adjust => 'h',
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reload => 'h',
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sighup => 'h',
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sigusr1 => '1',
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sigusr2 => '2',
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once => 'o',
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pause => 'p',
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alarm => 'a',
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interrupt => 'i',
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quit => 'q',
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kill => 'k',
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exit => 'x',
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);
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sub adjust_supervised_service
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{
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my ($s, @actions) = @_;
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my $m = "control fifo for service $s: ";
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unless (open(C, ">/service/$s/supervise/control"))
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{
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warn "Couldn't open $m$!";
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return;
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}
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foreach my $p (@actions)
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{
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my $c = $param2char{$p};
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unless ($c)
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{
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warn "Unrecognised param $p for service $s\n";
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next;
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}
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warn "adjusting supervised $s ($p)\n";
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unless (print C $c)
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{
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warn "Couldn't write to $m$!";
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return;
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}
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}
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warn "Couldn't close $m$!" unless close(C);
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}
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my $conf = esmith::ConfigDB->open_ro || die "Couldn't open config db";
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foreach my $service (grep { !/^\./ } $dh->read())
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{
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my $s = $conf->get($service);
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unless ($s)
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{
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warn "No conf db entry for service $service\n";
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next;
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}
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my $f = "services2adjust/$service";
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my @actions;
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if (-l "$f")
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{
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@actions = ( readlink "$f" );
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}
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else
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{
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if (open(F, $f))
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{
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# Read list of actions from the file, and untaint
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@actions = map { chomp; /([a-z]+[12]?)/ ; $1 } <F>;
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close(F);
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}
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else
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{
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warn "Could not open $f: $!";
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}
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}
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# if service is supervised and not handled by systemd
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if (-d "/service/$service" && glob("/etc/rc7.d/S??$service"))
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{
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my $enabled = ($s->prop('status') || 'disabled') eq 'enabled';
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adjust_supervised_service($service,
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# stop the service if it is now disabled
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$enabled ? () : 'down',
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# Send the specified signal(s) to the running daemon
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@actions,
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# bring the service up if it is enabled (and we're not
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# stopping it or running it once)
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($enabled && !grep { /^(down|stop|d|once|o)$/ } @actions) ? 'up' : (),
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);
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}
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# for service handled by former sysvinit or directly with systemd
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else
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{
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my $enabled = ($s->prop('status') || 'disabled') eq 'enabled';
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# bring the service up if it is enabled (and we're not stopping it or running it once, or using signal able to start it)
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unshift(@actions,'start') if ($enabled && !grep { /^(down|stop|d|once|o|start|restart|reload-or-restart)$/ } @actions) ;
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# stop the service if it is disabled
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@actions = ('stop') unless $enabled;
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foreach (@actions)
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{
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warn "adjusting non-supervised $service ($_)\n";
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esmith::util::serviceControl(
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NAME => $service,
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ACTION => $_,
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);
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}
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}
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}
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