summaryrefslogtreecommitdiff
path: root/src/guprecords
blob: 882d6f0d970eacfe65ed20b11231e68e23a08ef6 (plain)
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
#!/usr/bin/env perl
# guprecords (c) 2014, 2015 Paul Buetow
# E-Mail: guprecords@mx.buetow.org WWW: http://guprecords.buetow.org

use strict;
use warnings;
use v5.14;

use Getopt::Long;
use POSIX qw(strftime);
use Term::ANSIColor;

our $VERSION = 'VERSION_DEVEL';
our $FLAG = 0;
our $NOW = time();

our %ARGS = (
  all => 0,
  help => 0,
  nofqdn => 0,
  reverse => 0,
  total => 0,
  nocolor => 0,
  'oldage=i' => 180,
  'count=i' => 23,
  'indir=s' => '.',
);

our %OPTS = map { $_ => \$ARGS{$_} } keys %ARGS;
GetOptions %OPTS or die "Error in command line arguments. Try --help";

sub help() {
  say "Ths is guprecords Version $VERSION";
  print "Usage: $0\n"; 
  say "\t--$_" for sort keys %ARGS;
  say 'Please also consult the guprecords manual page.'
}

sub uptime($) {
  my $uptime = shift;
  my ($s,$m,$h,undef,undef,$y,undef,$d) = localtime($uptime);

  $y -= 70;
  $d += $y * 365;

  sprintf "%3dd %02d:%02d:%02d", $d, $h, $m, $s;
}

sub trimlen($$) {
  my ($string,$len) = @_;

  if (length $string > $len) {
    substr($string, 0, ($len-2)).'..';
  } else {
    $string;
  }
}

sub out(\@;$) {
  my ($records,$show_bt) = @_;

  $FLAG = 1;
  my $count = 0;

  printf "%3s | %17s | %20s | %13s | %24s\n",
    'Pos',
    'System',
    'Kernel',
    'Uptime',
    (defined $show_bt ? 'Boot time' : '');

  map {
    return if $count++ == $ARGS{'count=i'};

    my $name = $ARGS{nofqdn} ? $_->{hostname} : $_->{fqdn};

    print color 'bold' if !$ARGS{nocolor} and $_->{is_old};

    printf "%3d | %17s | %20s | %13s | %24s\n",
      $count,
      trimlen($name,17),
      trimlen($_->{kernel},20),
      uptime($_->{uptime}),
      (defined $show_bt ? ''.localtime($_->{bootime}) : '');

    print color 'reset' if !$ARGS{nocolor} and $_->{is_old};
  }
  do {
    unless ($ARGS{reverse}) {
      sort { $b->{uptime} <=> $a->{uptime} } @$records
    } else {
      sort { $a->{uptime} <=> $b->{uptime} } @$records
    }
  };
}

sub is_old($) {
  my $time = shift;
  # Count per day
  my $oldage = 86400 * $ARGS{'oldage=i'}; 

  return $NOW - $time < $oldage ? 1 : 0;
}

sub all() {
  my @records;

  for my $file (<$ARGS{'indir=s'}/*.records>) {
    my ($fqdn) = $file =~ m#.*/(.*)\.records#;
    my ($hostname) = $fqdn =~m#([^\.]+)#;

    my $uptime_total = 0;

    open my $fh, $file or die "$file: $!\n";
    while (<$fh>) {
      chomp;
      my ($uptime,$boot,$kernel) = split ':';

      push @records, {
        bootime => $boot,
        fqdn => $fqdn,
        hostname => $hostname,
        kernel => $kernel,
        uptime => $uptime,
        is_old => is_old $uptime + $boot,
      };

    }
    close $file;

  }

  out @records, 'show_bt';
}

sub total() {
  my @records;

  for my $file (<$ARGS{'indir=s'}/*.records>) {
    my ($fqdn) = $file =~ m#.*/(.*)\.records#;

    my $uptime_ = 0;
    my $kernel_;

    my ($highest, $newest) = (0, 0);

    open my $fh, $file or die "$file: $!\n";
    while (<$fh>) {
      chomp;
      my ($uptime,$boot,$kernel) = split ':';

      $uptime_ += $uptime;

       if ($highest < $uptime) {
        $highest = $uptime;
        $kernel_ = $kernel;
       }

       $newest = $uptime + $boot if $newest < $uptime + $boot;
    }
    close $file;

    push @records, {
      uptime => $uptime_,
      kernel => $kernel_,
      fqdn => $fqdn,
      is_old => is_old $newest,
    };

  }

  out @records;
}

help if $ARGS{help};
all if $ARGS{all}; 
total if $ARGS{total};

help unless $FLAG;