2 |
use Exporter 'import'; |
use Exporter 'import'; |
3 |
our @EXPORT = qw( |
our @EXPORT = qw( |
4 |
check_root |
check_root |
5 |
|
|
6 |
ip2hostname |
ip2hostname |
7 |
hostname2ip |
hostname2ip |
8 |
vzlist_configs |
|
9 |
|
conf_veids |
10 |
|
runscript |
11 |
|
|
12 |
vzctl |
vzctl |
13 |
|
vzlist |
14 |
|
|
15 |
$vz_root |
$vz_root |
16 |
$vz_conf |
$vz_conf |
17 |
|
|
18 |
|
dump |
19 |
); |
); |
20 |
|
|
21 |
use warnings; |
use warnings; |
22 |
use strict; |
use strict; |
23 |
|
|
24 |
use Socket; |
use Socket; |
25 |
|
use Data::Dump qw/dump/; |
26 |
|
|
27 |
our $vz_root = '/vz'; |
our $vz_root = '/vz'; |
28 |
our $vz_conf = '/etc/vz/conf'; |
our $vz_conf = '/etc/vz/conf'; |
72 |
sub ip2hostname { |
sub ip2hostname { |
73 |
my $ip = shift || return; |
my $ip = shift || return; |
74 |
|
|
75 |
return gethostbyaddr(inet_aton($ip), AF_INET) |
my $hostname = gethostbyaddr(inet_aton($ip), AF_INET) |
76 |
or die "Can't look up $ip: $!\n"; |
or die "Can't look up $ip: $!\n"; |
77 |
|
return $hostname; |
78 |
} |
} |
79 |
|
|
80 |
=head2 vzlist_configs |
=head2 conf_veids |
81 |
|
|
82 |
my @VEIDs = vzlist_configs; |
my @VEIDs = conf_veids; |
83 |
|
|
84 |
=cut |
=cut |
85 |
|
|
86 |
sub vzlist_configs { |
sub conf_veids { |
87 |
my @c; |
my @c; |
88 |
open( my $cfgs, 'find /etc/vz/conf -maxdepth 1 -name "*.conf" |' ) || die "can't run find: $!"; |
open( my $cfgs, 'find /etc/vz/conf -maxdepth 1 -name "*.conf" |' ) || die "can't run find: $!"; |
89 |
while(<$cfgs>) { |
while(<$cfgs>) { |
90 |
chomp; |
chomp; |
91 |
if ( m#^.+/(\d+)\.conf$# ) { |
if ( m{^.+/(\d+)\.conf$} ) { |
92 |
if ( -d "$vz_root/private/$1" ) { |
if ( -d "$vz_root/private/$1" ) { |
93 |
push @c, $1; |
push @c, $1; |
94 |
} else { |
} else { |
101 |
return @c; |
return @c; |
102 |
} |
} |
103 |
|
|
104 |
|
=head2 runscript |
105 |
|
|
106 |
|
runscript( $veid, '/path/to/script' ); |
107 |
|
|
108 |
|
=cut |
109 |
|
|
110 |
|
sub runscript { |
111 |
|
my ( $veid, $path ) = @_; |
112 |
|
|
113 |
|
if ( open(my $fh, $path) ) { |
114 |
|
while(<$fh>) { |
115 |
|
chomp; |
116 |
|
next if (m/^\s*$/); |
117 |
|
if (/^#\s+(.+)$/) { |
118 |
|
warn ">> $1\n"; |
119 |
|
} else { |
120 |
|
vzctl('exec', $veid, $_); |
121 |
|
} |
122 |
|
} |
123 |
|
} else { |
124 |
|
warn "can't open $path: $!"; |
125 |
|
} |
126 |
|
} |
127 |
|
|
128 |
|
|
129 |
=head2 vzctl |
=head2 vzctl |
130 |
|
|
131 |
vzctl('set','--something',42); |
vzctl('set','--something',42); |
134 |
|
|
135 |
sub vzctl { |
sub vzctl { |
136 |
my @args = @_; |
my @args = @_; |
137 |
warn "## vzctl ", join(" ",@args), "\n"; |
my $a = join(' ', @args); |
138 |
|
# hide passwords from output |
139 |
|
$a =~ s/(--userpasswd\s+\w+:)\w+/$1********/; |
140 |
|
warn "## vzctl $a\n"; |
141 |
system('vzctl',@args) == 0 or die "vzctl @args failed: $?" |
system('vzctl',@args) == 0 or die "vzctl @args failed: $?" |
142 |
} |
} |
143 |
|
|
144 |
|
=head2 vzlist |
145 |
|
|
146 |
|
my $output = vzlist(); |
147 |
|
my $hash = vzlist( hash => 1 ); |
148 |
|
|
149 |
|
=cut |
150 |
|
|
151 |
|
my @vzlist_fields; |
152 |
|
|
153 |
|
sub vzlist { |
154 |
|
die "need hash as argument" unless $#_ % 2 == 1; |
155 |
|
my $args = {@_}; |
156 |
|
|
157 |
|
|
158 |
|
my $output; |
159 |
|
|
160 |
|
if ( ! @vzlist_fields ) { |
161 |
|
open(my $vzlist, 'vzlist -L |') || die "can't start vzlist -L: $!"; |
162 |
|
while(<$vzlist>) { |
163 |
|
push @vzlist_fields, (split(/\s+/, $_, 2 ))[0]; |
164 |
|
} |
165 |
|
} |
166 |
|
|
167 |
|
open(my $vzlist, 'vzlist -a -H -o ' . join(',', @vzlist_fields) . ' |') || die "can't start vzlist: $!"; |
168 |
|
while(<$vzlist>) { |
169 |
|
s/^\s+//; |
170 |
|
my @data = split(/\s+/, $_); |
171 |
|
|
172 |
|
if ( defined $args->{hash} ) { |
173 |
|
my $hash; |
174 |
|
$hash->{ $vzlist_fields[$_] } = $data[$_] foreach 1 .. $#data; |
175 |
|
$output->{ $data[0] } = $hash; |
176 |
|
} else { |
177 |
|
$output .= $_; |
178 |
|
} |
179 |
|
} |
180 |
|
|
181 |
|
return $output; |
182 |
|
} |
183 |
|
|
184 |
1; |
1; |