1 |
dpavlin |
185 |
package daemons; |
2 |
|
|
|
3 |
|
|
use warnings; |
4 |
|
|
use strict; |
5 |
|
|
|
6 |
|
|
use File::Slurp; |
7 |
|
|
use Data::Dump qw/dump/; |
8 |
|
|
|
9 |
|
|
use x11; |
10 |
dpavlin |
208 |
use CouchDB; |
11 |
dpavlin |
185 |
|
12 |
|
|
our $pids; |
13 |
dpavlin |
225 |
$pids = { |
14 |
|
|
httpd => $$, |
15 |
|
|
kvm => 'not started', |
16 |
|
|
wireshark => 'not started', |
17 |
|
|
} unless defined $pids; # keep pids on refresh |
18 |
dpavlin |
185 |
|
19 |
|
|
sub DESTROY { |
20 |
|
|
warn "pids ",dump( $pids ); |
21 |
|
|
foreach ( values %$pids ) { |
22 |
|
|
warn "kill $_"; |
23 |
|
|
kill 1,$_ || kill 9, $_; |
24 |
|
|
} |
25 |
|
|
} |
26 |
|
|
|
27 |
|
|
$SIG{CHLD} = 'IGNORE'; |
28 |
|
|
|
29 |
dpavlin |
208 |
sub audit { |
30 |
|
|
my $msg = shift; |
31 |
|
|
my $daemon = shift; |
32 |
|
|
CouchDB::audit( $msg, $daemon, { daemon => $daemon, message => $msg, @_ } ); |
33 |
|
|
} |
34 |
|
|
|
35 |
dpavlin |
321 |
mkdir "$server::conf/pid" unless -d "$server::conf/pid"; |
36 |
|
|
|
37 |
dpavlin |
185 |
sub start_stop { |
38 |
|
|
my $daemon = shift; |
39 |
|
|
|
40 |
|
|
my $pid = $pids->{$daemon}; |
41 |
dpavlin |
321 |
my $pid_path = $daemon; |
42 |
dpavlin |
225 |
$pid_path =~ s{/}{-}g; |
43 |
dpavlin |
321 |
$pid_path = "$server::conf/pid/$pid_path"; |
44 |
dpavlin |
185 |
|
45 |
|
|
if ( ! $pid && -e $pid_path ) { |
46 |
|
|
my $p = read_file $pid_path; |
47 |
|
|
if ( kill 0, $p ) { |
48 |
dpavlin |
208 |
audit 'adopted', $daemon, pid => $p; |
49 |
dpavlin |
185 |
return $pids->{$daemon} = $p; |
50 |
|
|
} else { |
51 |
dpavlin |
208 |
audit 'not running', $daemon, pid => $p; |
52 |
dpavlin |
185 |
unlink $pid_path; |
53 |
|
|
} |
54 |
|
|
} |
55 |
|
|
|
56 |
|
|
$pid ||= 'not started'; |
57 |
|
|
warn "start_stop $daemon $pid\n"; |
58 |
|
|
|
59 |
dpavlin |
245 |
if ( $pid =~ m{^\d+$} && kill 0, $pid ) { |
60 |
dpavlin |
185 |
my $pstree = `pstree -p $pid`; |
61 |
|
|
my @pids = $pstree =~ m{\((\d+)\)}g; |
62 |
|
|
warn "pstree $pstree pids ",dump( @pids ); |
63 |
dpavlin |
227 |
foreach ( @pids ) { |
64 |
|
|
warn "kill $_\n"; |
65 |
|
|
kill 1, $_; |
66 |
|
|
if ( kill 0, $_ ) { |
67 |
|
|
warn "kill 9 $_"; |
68 |
|
|
kill 9, $_; |
69 |
|
|
} |
70 |
|
|
} |
71 |
dpavlin |
185 |
$pids->{$daemon} = 'stopped'; |
72 |
dpavlin |
208 |
audit 'stopped', $daemon, pid => $pid; |
73 |
dpavlin |
185 |
return qq|$daemon pid $pid stopped|; |
74 |
|
|
} else { |
75 |
|
|
if ( $pid = fork ) { |
76 |
|
|
# parent |
77 |
|
|
$pids->{$daemon} = $pid; |
78 |
|
|
write_file $pid_path, $pid; |
79 |
dpavlin |
208 |
audit 'forked', $daemon, pid => $pid; |
80 |
dpavlin |
185 |
return qq|$daemon pid $pid started|; |
81 |
|
|
} elsif ( defined $pid ) { |
82 |
|
|
# child |
83 |
|
|
my $invoke = 'start'; |
84 |
|
|
$invoke = $1 if $daemon =~ s{/(.+)}{}; |
85 |
dpavlin |
231 |
if ( $daemon =~ m{dhcpd|tftpd|dnsd|syslogd} ) { |
86 |
dpavlin |
185 |
my $exec = "perl -I$server::base_dir/lib -I$server::base_dir/lib/PXElator -M$daemon -e ${daemon}::${invoke}"; |
87 |
dpavlin |
208 |
audit 'exec', $daemon, 'exec' => $exec; |
88 |
dpavlin |
185 |
x11::xterm( $daemon => $exec ); |
89 |
|
|
} else { |
90 |
|
|
my $eval = $daemon . '::' . $invoke . '(' . ( @_ ? dump(@_) : '' ) . ')'; |
91 |
dpavlin |
208 |
audit 'eval', $daemon, 'eval' => $eval; |
92 |
dpavlin |
185 |
eval $eval; |
93 |
dpavlin |
208 |
audit 'error', $daemon, error => $@ if $@; |
94 |
dpavlin |
185 |
} |
95 |
|
|
exit; |
96 |
|
|
} else { |
97 |
dpavlin |
208 |
audit 'error', $daemon, error => $!; |
98 |
dpavlin |
185 |
die "fork error $!"; |
99 |
|
|
} |
100 |
|
|
} |
101 |
|
|
} |
102 |
|
|
|