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71 lines
2.2 KiB
71 lines
2.2 KiB
#!perl
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#
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# gethname.pl
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#
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# write %temp%\_hname.cmd that when called, will set env. var HOSTNAME with
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# either the node name or the cluster mgmt name
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#
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# get the node's name; stuff it in $hname as the default in case any of the other
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# stuff fails.
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$our_hostname = $ENV{COMPUTERNAME};
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$hname = $our_hostname;
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# get the list of cluster resources and their hosting node
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$resources_cmd = "cluster res \"cluster name\" | ";
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if (open( RESLIST, $resources_cmd )) {
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while ($line = <RESLIST>) {
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chomp( $line );
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# print "line:", $line, "\n";
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if ( $line =~ /\s*System error\s*/ ) {
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# something bad happened; use COMPUTERNAME
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print STDERR "cluster.exe returned an error: ", $line, "\n";
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last;
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}
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# looking for:
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# Cluster Name <Group Name> <node name> Online
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#
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# group name can have any number of white spaces in between
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# the words so we'll key off of "Cluster Name" which can't
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# change and "Online". If the name is offline, then we'll use
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# COMPUTERNAME
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if ( $line =~ /^cluster name\s+.+\s+(\S+)\s+Online\s*$/ ) {
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$hosting_node = $1;
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print "Cluster name online at ", $hosting_node, "\n";
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# found the name and it is online. now dump its properties to
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# get the actual name
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if ( open( RESPROPS, "cluster res \"cluster name\" /priv | " )) {
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while ( $propline = <RESPROPS> ) {
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chomp( $propline );
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if ( $propline =~ /^S\s+cluster name\s+Name\s+(\S+)\s*$/ ) {
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$hname = $1;
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print "cluster name is: ", $hname, "\n";
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last;
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}
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}
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close( RESPROPS );
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}
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last;
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}
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}
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# see if we found something
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if ( !$hosting_node ) {
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print "Cluster name doesn't appear to be online\n";
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}
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} else {
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print STDERR "Cluster.exe command failed\n";
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}
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close( RESLIST );
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# write hostname to cmd file
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if ( open( CMDFILE, ">$ENV{TEMP}\\_hname.cmd" )) {
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print CMDFILE "set HOSTNAME=", $hname, "\n";
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close( CMDFILE );
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} else {
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print "Can't open:", $ENV{TEMP}, "\\_hname.cmd\n";
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}
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