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Added caching for disk pools and user profiles.

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@8241 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
phamt
2010-11-23 16:42:37 +00:00
parent 54ff385d28
commit 07b23287c3
2 changed files with 90 additions and 7 deletions
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59
perl-xCAT/xCAT/zvmUtils.pm
View File

@@ -743,12 +743,12 @@ sub getDeviceNode {
my $out = `ssh $node "cat /proc/dasd/devices" | grep ".$tgtAddr("`;
my @words = split( ' ', $out );
my $tgtDevNode;
# /proc/dasd/devices look similar to this:
# 0.0.0100(ECKD) at ( 94: 0) is dasda : active at blocksize: 4096, 1802880 blocks, 7042 MB
# Look for the string 'is'
my $i = 0;
while ($tgtDevNode ne 'is') {
while ( $tgtDevNode ne 'is' ) {
$tgtDevNode = $words[$i];
$i++;
}
@@ -993,3 +993,58 @@ sub getArch {
return ( xCAT::zvmUtils->trimStr($arch) );
}
#-------------------------------------------------------
=head3 getUserProfile
Description : Get the user profile
Arguments : Profile name
Returns : User profile
Example : my $profile = xCAT::zvmUtils->getUserProfile($hcp, $name);
=cut
#-------------------------------------------------------
sub getUserProfile {
# Get inputs
my ( $class, $hcp, $profile ) = @_;
# Set directory where executables are on zHCP
my $hcpDir = "/opt/zhcp/bin";
# Set directory for cache
my $cache = '/var/opt/zhcp/.vmapi/.cache';
# Set output file name
my $file = "$cache/$profile.profile";
# If a cache for the user profile exists
my $out;
if (`ssh $hcp "ls $file"`) {
# Get current Epoch
my $curTime = time();
# Get time of last change as seconds since Epoch
my $fileTime = xCAT::zvmUtils->trimStr(`ssh $hcp "stat -c %Z $file"`);
# If the current time is greater than 5 minutes of the file timestamp
my $interval = 300; # 300 seconds = 5 minutes * 60 seconds/minute
if ( $curTime > $fileTime + $interval ) {
# Get user profiles and save it in a file
$out = `ssh $hcp "$hcpDir/getuserprofile $profile > $file"`;
}
}
else {
# Get user profiles and save it in a file
$out = `ssh $hcp "$hcpDir/getuserprofile $profile > $file"`;
}
# Return the file contents
$out = `ssh $hcp "cat $file"`;
return $out;
}

38
xCAT-server/lib/xcat/plugins/zvm.pm
View File

@@ -1487,6 +1487,9 @@ sub listVM {
# Get inputs
my ( $callback, $node, $args ) = @_;
# Set cache directory
my $cache = '/var/opt/zhcp/.vmapi/.cache';
# Get node properties from 'zvm' table
my @propNames = ( 'hcp', 'userid' );
my $propVals = xCAT::zvmUtils->getNodeProps( 'zvm', $node, @propNames );
@@ -1509,7 +1512,28 @@ sub listVM {
# Get disk pool names
if ( $args->[0] eq "--diskpoolnames" ) {
$out = `ssh $hcp "$::DIR/getdiskpoolnames $userId"`;
my $file = "$cache/diskpoolnames";
# If a cache for disk pool names exists
if (`ssh $hcp "ls $file"`) {
# Get current Epoch
my $curTime = time();
# Get time of last change as seconds since Epoch
my $fileTime = xCAT::zvmUtils->trimStr(`ssh $hcp "stat -c %Z $file"`);
# If the current time is greater than 5 minutes of the file timestamp
my $interval = 300; # 300 seconds = 5 minutes * 60 seconds/minute
if ($curTime > $fileTime + $interval) {
# Get disk pool names and save it in a file
$out = `ssh $hcp "$::DIR/getdiskpoolnames $userId > $file"`;
}
} else {
# Get disk pool names and save it in a file
$out = `ssh $hcp "$::DIR/getdiskpoolnames $userId > $file"`;
}
# Print out the file contents
$out = `ssh $hcp "cat $file"`;
}
# Get disk pool configuration
@@ -2935,10 +2959,14 @@ sub nodeSet {
$out = `echo "$userEntry" | grep "NICDEF" | grep "$hcpNetName"`;
if (!$out) {
# Check for user profile
my $userProfile = `echo "$userEntry" | grep "INCLUDE"`;
if ($userProfile) {
@words = split( ' ', xCAT::zvmUtils->trimStr($userProfile) );
$out = `ssh $hcp "$::DIR/getuserprofile $words[1]" | grep "NICDEF" | grep "$hcpNetName"`;
my $profileName = `echo "$userEntry" | grep "INCLUDE"`;
if ($profileName) {
@words = split( ' ', xCAT::zvmUtils->trimStr($profileName) );
# Get user profile
my $userProfile = xCAT::zvmUtils->getUserProfile($hcp, $words[1]);
# Get the NICDEF statement containing the HCP network
$out = `echo "$userProfile" | grep "NICDEF" | grep "$hcpNetName"`;
}
}