/[vz-tools]/trunk/vz-from-config.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /trunk/vz-from-config.pl

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Revision 76 - (show annotations)
Thu Mar 26 17:52:06 2009 UTC (13 years, 8 months ago) by dpavlin
File MIME type: text/plain
File size: 1051 byte(s)
call vzconf with correct barriers and limit

1 #!/usr/bin/perl
2
3 use warnings;
4 use strict;
5
6 use lib 'lib';
7 use VZ;
8
9 use Data::Dump qw/dump/;
10
11 my $file = shift @ARGV || die "usage: $0 /etc/vz/conf/veid.conf\n";
12
13 my $veid = $1 if $file =~ m{(\d+).conf};
14
15 open(my $fh, '<', $file) || die "can't open $file: $!";
16
17 my $config;
18
19 while (<$fh>) {
20 chomp;
21 if ( m{(\w+)\s*=\s*"?([^"]+)"?} ) {
22 my ($name,$value) = ($1,$2);
23 $config->{ lc($name) } = $value;
24 } else {
25 warn "SKIP: $_\n";
26 }
27 }
28
29 warn "# config ",dump( $config );
30
31 my $path = "/proc/bc/$veid/resources";
32 open(my $res, '<', $path) || die "can't open $path: $!";
33 while (<$res>) {
34 chomp;
35 s{^\s+}{};
36 my ( $name,$held,$maxheld,$barrier,$limit,$failcnt ) = split(/\s+/, $_, 6);
37
38 my ( $conf_barrier, $conf_limit ) = split(/:/, $config->{ $name });
39
40 my $update;
41
42 if ( $barrier != $conf_barrier ) {
43 warn "# $name barrier $barrier != $conf_barrier\n";
44 $update++;
45 }
46
47 if ( $limit != $conf_limit ) {
48 warn "# $name limit $limit != $conf_limit\n";
49 $update++;
50 }
51
52 vzctl( 'set', $veid, "--$name", "$conf_barrier:$conf_limit" ) if $update;
53
54 }

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