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1 | #!/usr/bin/perl |
2 | |
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3 | # $RCSfile: myrup,v $$Revision: 4.1 $$Date: 92/08/07 17:20:26 $ |
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4 | |
5 | # This was a customization of ruptime requested by someone here who wanted |
6 | # to be able to find the least loaded machine easily. It uses the |
7 | # /etc/ghosts file that's defined for gsh and gcp to prune down the |
8 | # number of entries to those hosts we have administrative control over. |
9 | |
10 | print "node load (u)\n------- --------\n"; |
11 | |
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12 | open(ghosts,'/etc/ghosts') || die "Can't open /etc/ghosts: $!"; |
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13 | line: while (<ghosts>) { |
14 | next line if /^#/; |
15 | next line if /^$/; |
16 | next line if /=/; |
17 | ($host) = split; |
18 | $wanted{$host} = 1; |
19 | } |
20 | |
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21 | open(ruptime,'ruptime|') || die "Can't run ruptime: $!"; |
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22 | open(sort,'|sort +1n'); |
23 | |
24 | while (<ruptime>) { |
25 | ($host,$upness,$foo,$users,$foo,$foo,$load) = split(/[\s,]+/); |
26 | if ($wanted{$host} && $upness eq 'up') { |
27 | printf sort "%s\t%s (%d)\n", $host, $load, $users; |
28 | } |
29 | } |