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-Ensure datastore name stays at no more than 42 characters, while preserving as much detail as possible

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@3757 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso 2009-07-10 18:55:58 +00:00
parent 2a7049b1fa
commit d086433fba
1 changed files with 16 additions and 0 deletions
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16
xCAT-server/lib/xcat/plugins/esx.pm
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@ -1508,6 +1508,22 @@ sub mount_nfs_datastore {
($server,$path) = split /\//,$location,2;
$location =~ s/\//_/g;
$location= 'nfs_'.$location;
#VMware has a 42 character limit, we will start mangling to get under 42.
#Will try to preserve as much informative detail as possible, hence several conditionals instead of taking the easy way out
if (length($location) > 42) {
$location =~ s/nfs_//; #Ditch unique names for different protocols to the same path, seems unbelievably unlikely
}
if (length($location) > 42) {
$location =~ s/\.//g; #Next, ditch host delimiter, it is unlikely that hosts will have unique names if their dots are removed
}
if (length($location) > 42) {
$location =~ s/_//g; #Next, ditch path delimiter, it is unlikely that two paths will happen to look the same without delimiters
}
if (length($location) > 42) { #finally, replace the middle with ellipsis
substr($location,20,-20,'..');
}
my $nds = HostNasVolumeSpec->new(accessMode=>'readWrite',
remoteHost=>$server,
localPath=>$location,