mostly done minus readme stuff
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#!/usr/bin/env perl
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=head1 NAME
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sneck - a boopable LibreNMS JSON style SNMP extend for remotely running nagios style checks
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=head1 SYNOPSIS
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sneck -u [B<-C> <cache file] [B<-f> <config file>] [B<-p>] [B<-i>]
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sneck -c [B<-C> <cache file]
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sneck [B<-f> <config file>] [B<-p>] [B<-i>]
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=head1 DESCRIPTION
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For a description of the config file format and output,
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please see L<Monitoring::Sneck>.
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=head1 FLAGS
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=head2 -f <config file>
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The config file to use.
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Defaults to '/usr/local/etc/sneck.conf'.
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=head2 -p
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Pretty it in a nicely formatted format.
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=head2 -C <cache file>
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The cache file to use.
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Defaults to '/var/cache/sneck.cache'.
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=head2 -u
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Update the cache file. Will also print the was written to it.
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=head2 -c
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Print the cache file. Please note that B<-p> or B<-i> won't affect
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this as this flag only reads/prints the cache file.
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=head2 -i
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Includes the config file used.
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=cut
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use strict;
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use warnings;
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use Getopt::Long;
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use File::Slurp;
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use JSON;
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use Monitoring::Sneck;
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sub version {
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print "sneck v. 0.0.1\n";
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}
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sub help {
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&version;
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print '
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-f <config> Config file to use.
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Default: /usr/local/etc/sneck.conf
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-c Print the cache and exit. Requires -u being used previously.
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-C Cache file.
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Default: /var/cache/sneck.cache
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-u Run and write to cache.
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-p Pretty print. Does not affect -c.
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-i Include the raw config in the JSON.
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-h Print help info.
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--help Print help info.
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-v Print version info.
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--version Print version info.
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';
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}
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my $cache_file = '/var/cache/sneck.cache';
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my $config_file = '/usr/local/etc/sneck.conf';
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my $update;
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my $print_cache;
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my $fallback;
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my $help;
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my $version;
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my $pretty;
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my $include;
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Getopt::Long::Configure('no_ignore_case');
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Getopt::Long::Configure('bundling');
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GetOptions(
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'version' => \$version,
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'v' => \$version,
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'help' => \$help,
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'h' => \$help,
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'c' => \$print_cache,
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'f=s' => \$config_file,
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'C=s' => \$cache_file,
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'p' => \$pretty,
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'u' => \$update,
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'i' => \$include,
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);
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# print version or help if requested
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if ($help) {
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&help;
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exit 42;
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}
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if ($version) {
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&version;
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exit 42;
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}
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# prints the cache and exit if requested
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if ($print_cache) {
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if ( !-f $cache_file || !-r $cache_file ) {
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my $error = 'Cache file does not exist or is not readable "' . $cache_file . '"';
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my $possible_error
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= { error => 1, version => 1, errorString => $error, data => { alert => 1, alertString => $error } };
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print encode_json($possible_error) . "\n";
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exit 3;
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}
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my $cache = read_file($cache_file);
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print $cache;
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exit;
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}
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my $sneck = Monitoring::Sneck->new( { config => $config_file, include=>$include } );
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my $returned = $sneck->run;
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# encode it and print it
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my $json = JSON->new->utf8->canonical(1);
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if ($pretty) {
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$json->pretty;
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}
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my $raw_json = $json->encode($returned);
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# non-pretty does not include a new line, so add it
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if ( !$pretty ) {
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$raw_json = $raw_json . "\n";
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}
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print $raw_json;
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if ($update) {
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my $fh;
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open( $fh, '>', $cache_file );
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print $fh $raw_json;
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close($fh);
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}
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