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https://github.com/ranl/monitor-utils.git
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104 lines
2.3 KiB
Perl
Executable File
104 lines
2.3 KiB
Perl
Executable File
#!/usr/bin/perl
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# Modules
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use strict;
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use Getopt::Long;
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Getopt::Long::Configure('bundling');
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# Functions
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sub _syntax_err(@)
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{
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my $msg = shift;
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print <<EOU;
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Err: $msg
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Syntax:
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-f [/path/to/file] -w [time in seconds] -c [time in seconds] -v
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-v option will cause the check to return UNKNOWN exit status in case of the file doesn't exists
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Information:
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This script will check the modification time of a file,
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If it is [time in seconds] older an error status will be generated according to the -w and -c arguments
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If the file doesn't exists no error will be generated
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Its primary purpose is to check that lock files doesn't exists for too much time
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EOU
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exit(3);
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}
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# User input
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my %opt;
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my $result = GetOptions(\%opt,
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'file|f=s',
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'warn|w=i',
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'crit|c=i',
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'verify|v',
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);
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# Validate arguments
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_syntax_err("Missing -f") unless defined $opt{'file'};
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_syntax_err("Missing -w") unless defined $opt{'warn'};
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_syntax_err("Missing -c") unless defined $opt{'crit'};
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_syntax_err("-w can't be >= than -c") if ($opt{'warn'} >= $opt{'crit'});
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# Variables
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my $OK = 0;
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my $WARNING = 1;
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my $CRITICAL = 2;
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my $UNKNOWN = 3;
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my $status = $OK;
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my $msg;
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my $perf;
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# Take mtime and systems's epoc if file exists
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if( -f $opt{'file'})
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{
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my $filestat = (stat($opt{'file'}))[9];
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my $epoc = time;
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my $timediff = $epoc - $filestat;
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my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
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$year += 1900;
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$mon += 1;
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my $timestamp = "$mday/$mon/$year $hour:$min:$sec";
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# Decide exit status
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if ($timediff < $opt{'warn'})
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{
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$msg = "OK: look's good";
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$status = $OK;
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}
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elsif ($timediff >= $opt{'warn'} && $timediff < $opt{'crit'})
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{
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$msg = "WARN: $opt{'file'} mtime is $timestamp";
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$status = $WARNING;
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}
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else
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{
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$msg = "CRIT: $opt{'file'} mtime is $timestamp";
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$status = $CRITICAL;
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}
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$perf = "mtime=$timediff"."s".";$opt{'warn'};$opt{'crit'}";
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}
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# If file doesn't exists exit OK nothing to check (or UNKNOWN in case of -v)
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else
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{
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if($opt{'verify'})
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{
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$msg = "UNKNOWN: $opt{'file'} doesn't exists";
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$perf = "mtime=0s;$opt{'warn'};$opt{'crit'}";
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$status = $UNKNOWN;
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}
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else
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{
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$msg = "OK: $opt{'file'} doesn't exists, nothing to check";
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$perf = "mtime=0s;$opt{'warn'};$opt{'crit'}";
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$status = $OK;
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}
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}
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# Exit
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print "$msg | $perf\n";
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exit($status);
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