1 |
#!/usr/bin/perl -w |
2 |
# |
3 |
# cricket module which creates configuration file (when called with |
4 |
# apropriate option), re-reads configuration (so that it can report |
5 |
# filesystems in same order always) |
6 |
# |
7 |
# Dobrica Pavlinusic <dpavlin@rot13.org> |
8 |
# |
9 |
# Usage: |
10 |
# |
11 |
# parse_df.pl "ssh -i ~cricket/.ssh/df host.dom" /mount_point |
12 |
# ssh into remote host and get data for /mount_point |
13 |
# |
14 |
# parse_df.pl "ssh -i ~cricket/.ssh/df --config" |
15 |
# dump configuration file to stdout |
16 |
# |
17 |
|
18 |
use strict; |
19 |
|
20 |
my $ssh = shift @ARGV || ""; |
21 |
my $mount = shift @ARGV || "/"; |
22 |
|
23 |
my %df; |
24 |
|
25 |
sub parse_df { |
26 |
my $ssh = shift @_; |
27 |
open(DF,"$ssh df -k |") || die "$ssh df: $!"; |
28 |
while(<DF>) { |
29 |
chomp; |
30 |
my ($node,$total,$used,$aval,$use_pcnt,$mount) = split(/\s+/,$_,6); |
31 |
if ($use_pcnt && $use_pcnt =~ s/(\d+)%/$1/) { |
32 |
# print STDERR "$_\n"; |
33 |
# $df{$mount}=$use_pcnt; |
34 |
$df{$mount}=$used * 100 / $total if ($total != 0); |
35 |
# print $df{$mount}," == $use_pcnt\n"; |
36 |
} |
37 |
} |
38 |
close(DF); |
39 |
} |
40 |
|
41 |
parse_df($ssh); |
42 |
|
43 |
if ($mount eq "--config") { |
44 |
print <<"EOF"; |
45 |
target --default-- |
46 |
ssh = "$ssh" |
47 |
long-desc = "edit name of your host here" |
48 |
|
49 |
EOF |
50 |
my @targets; |
51 |
|
52 |
foreach my $mnt (keys %df) { |
53 |
my $target = $mnt; |
54 |
if ($mnt eq "/") { |
55 |
$target = "root"; |
56 |
} else { |
57 |
$target =~ s,^/,,; |
58 |
$target =~ s,/,_,g; |
59 |
} |
60 |
push @targets,$target; |
61 |
print <<"EOF"; |
62 |
target $target |
63 |
target-type = usage |
64 |
display-name = "$mnt" |
65 |
skip-overview = 1 |
66 |
|
67 |
EOF |
68 |
} |
69 |
print "target overview |
70 |
mtargets = \"",join("; ",@targets),"\" |
71 |
target-type = usage\n"; |
72 |
exit 1; |
73 |
} |
74 |
|
75 |
# dump free % |
76 |
# |
77 |
print $df{$mount} || "unknown"; |
78 |
print "\n"; |