1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
#!@@PERL@@ @@PERLOPTS@@
# remstats-rrdtune - tune up all the RRD files to match the remstats
# RRD definitions. Well, as much as "RRDs::tune" can do.
# $Id: remstats-rrdtune.pl,v 1.4 2002/08/14 11:33:57 remstats Exp $
# from remstats @@VERSION@@
# Copyright 2002 (c) Thomas Erskine <@@AUTHOR@@>
# See the COPYRIGHT file with the distribution.
# - - - Configuration - - -
use strict;
# What is this program called, for error-messages and file-names
$main::prog = 'remstats-rrdtune';
# Where is the default configuration dir
$main::config_dir = '@@CONFIGDIR@@';
# - - - Version History - - -
$main::version = (split(' ', '$Revision: 1.4 $'))[1];
# - - - Setup - - -
use lib '.', '@@LIBDIR@@', '@@RRDLIBDIR@@';
use Getopt::Std;
require "remstats.pl";
use RRDs;
# Parse the command-line
my( @hosts, @groups, @keys);
my %opt = ();
getopts('d:hG:H:K:', \%opt);
if (defined $opt{'h'}) { &usage; } # no return
if (defined $opt{'d'}) { $main::debug = $opt{'d'}; } else { $main::debug = 0; }
if( defined $opt{'H'}) { @hosts = split(',', $opt{'H'}); }
if( defined $opt{'G'}) { @groups = split(',', $opt{'G'}); }
if( defined $opt{'K'}) { @keys = split(',', $opt{'K'}); }
# No buffering when debugging
if ($main::debug) { $| = 1; }
# Read in the configuration
unless( -d $main::config_dir) {
&abort("missing config-dir $main::config_dir");
}
&read_config_dir( $main::config_dir, 'general', 'scripts', 'oids', 'times',
'rrds', 'groups', 'host-templates', 'hosts');
@hosts = &select_hosts( \@hosts, \@groups, \@keys);
my ($host, $realrrd, $wildrrd, $fixedrrd);
# - - - Mainline - - -
foreach $host (@hosts) {
&debug("host $host") if( $main::debug>1);
foreach $realrrd (@{$main::config{HOST}{$host}{RRDS}}) {
($wildrrd, undef, $fixedrrd) = &get_rrd( $realrrd);
&debug(" rrd $realrrd ($wildrrd)") if( $main::debug>1);
&tune_rrd( $host, $realrrd, $wildrrd, $fixedrrd);
}
}
#-------------------------------------------------------------- tune_rrd ---
sub tune_rrd {
my( $host, $realrrd, $wildrrd, $fixedrrd) = @_;
my( $ds, $dsdef, $def_type, $def_heartbeat, $def_min, $def_max,
$file_type, $file_heartbeat, $file_min, $file_max, $file_name,
@updates, $error);
foreach $ds (keys %{$main::config{RRD}{$wildrrd}{DS}}) {
$dsdef = $main::config{RRD}{$wildrrd}{DS}{$ds}{DSDEF};
($def_type, $def_heartbeat, $def_min, $def_max) = split(':', $dsdef);
&debug(" ds $ds ($dsdef)") if( $main::debug>1);
# Since RRDs::info only works on the whole file, I'm going to cache
# the info from it.
unless( defined $main::dsinfo{$host}{$realrrd}{$ds}) {
&load_dsinfo( $host, $realrrd, $fixedrrd);
}
# It ought to be defined by now, or we don't have this file
unless( defined $main::dsinfo{$host}{$realrrd}{$ds}) {
&error("missing dsinfo for $ds; skipped");
next;
}
# Get the info for this DS on the current file
($file_type, $file_heartbeat, $file_min, $file_max) =
&get_dsinfo( $host, $realrrd, $ds);
next unless( defined $file_type and defined $file_heartbeat and
defined $file_min and defined $file_max);
# Compare with the defined values
@updates = ();
if( $file_type ne $def_type) {
push @updates, '-d', $ds . ':' . $def_type;
}
if( $file_heartbeat ne $def_heartbeat) {
push @updates, '-h', $ds . ':' . $def_heartbeat;
}
if( $file_min ne $def_min) {
push @updates, '-i', $ds . ':' . $def_min;
}
if( $file_max ne $def_max) {
push @updates, '-a', $ds . ':' . $def_max;
}
}
# Anything need changing?
if( @updates) {
&debug('tuning ', $host, ' ', $realrrd, ' with ',
join(' ', @updates)) if( $main::debug);
# RRDs::tune $file_name, @updates;
$file_name = $main::config{DATADIR} . '/' . $host . '/' .
$fixedrrd . '.rrd';
RRDs::tune $file_name, @updates;
$error = RRDs::error();
&error("can't tune $file_name: $error") if($error);
}
else {
&debug(" no changes") if( $main::debug>1);
}
}
#---------------------------------------------------------- get_dsinfo ---
sub get_dsinfo {
my( $host, $realrrd, $ds) = @_;
my( @result, $which);
foreach $which ('TYPE', 'MINIMAL_HEARTBEAT', 'MIN', 'MAX') {
if( defined $main::dsinfo{$host}{$realrrd}{$ds}{$which}) {
push @result, $main::dsinfo{$host}{$realrrd}{$ds}{$which}
}
else {
&error("no value for ds $ds $which in $realrrd on $host");
push @result, undef;
}
}
return @result;
}
#--------------------------------------------------------- load_dsinfo ---
sub load_dsinfo {
my( $host, $realrrd, $fixedrrd) = @_;
my( $file_name, $href, $ds, $which, $value, $key);
$file_name = $main::config{DATADIR} . '/' . $host . '/' .
$fixedrrd . '.rrd';
&debug("LOAD: loading $file_name") if( $main::debug>2);
$href = RRDs::info $file_name;
foreach $key (keys %$href) {
next unless( $key =~
/^ds\[([^\]]+)\]\.(min|max|minimal_heartbeat|type)$/);
($ds, $which, $value) = ($1, uc $2, $$href{$key});
# Make them U for unlimited
if(( $which eq 'MIN' or $which eq 'MAX') and ! defined $value) {
$value = 'U';
}
$main::dsinfo{$host}{$realrrd}{$ds}{$which} = $value;
&debug("LOAD: $ds $which = $value") if( $main::debug>2);
}
}
#----------------------------------------------------------------- usage ---
sub usage {
print STDERR <<"EOD_USAGE";
$main::prog version $main::version from remstats @@VERSION@@
usage: $0 [options]
where options are:
-d nnn enable debugging output at level 'nnn'
-h show this help
-G GGG only apply to hosts in groups 'GGG' (a comma-separated list)
-H HHH only apply to hosts 'HHH' (a comma-separated list)
-K KKK only apply to hosts with a key in 'KKK' (a comma-separated list)
Note: Only one of -G and -H can be used simultaneously. If -K us used with
-H or -G, the keys will select a subset of the hosts selected by -H or -G.
EOD_USAGE
exit 0;
}
#----------------------------------------------------------------- debug ---
sub debug {
print STDERR 'DEBUG: ', @_, "\n";
}
#------------------------------------------------------------------ abort ---
sub abort {
print STDERR 'ABORT: ', @_, "\n";
exit 1;
}
#------------------------------------------------------------------ error ---
sub error {
print STDERR 'ERROR: ', @_, "\n";
}
|
