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-KVM clonevm actual pass1 or part 1, making a master

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@7290 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso
2010-08-28 01:31:51 +00:00
parent 1d4fb98157
commit ea176ba3f5
1 changed files with 59 additions and 5 deletions
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64
xCAT-server/lib/xcat/plugins/kvm.pm
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@@ -69,6 +69,7 @@ sub handled_commands {
return {
rpower => 'nodehm:power,mgt',
mkvm => 'nodehm:power,mgt',
clonevm => 'nodehm:power,mgt',
chvm => 'nodehm:power,mgt',
rmvm => 'nodehm:power,mgt',
rinv => 'nodehm:power,mgt',
@@ -1097,9 +1098,10 @@ sub invstorage {
my $size;
if ($vol) {
my %info = %{$vol->get_info()};
if ($info{capacity}) {
$size = $info{capacity};
if ($info{allocation} and $info{capacity}) {
$size = $info{allocation};
$size = $size/1048576; #convert to MB
$size .= "/".($info{capacity}/1048576);
}
}
$callback->({
@@ -1445,7 +1447,7 @@ sub clonevm {
if ($dom) {
$xml = $dom->get_xml_description();
} else {
$xml = $confdata->{kvm_nodedata}->{$node}->[0]->{xml};
$xml = $confdata->{kvmnodedata}->{$node}->[0]->{xml};
}
unless ($xml) {
xCAT::SvrUtils::sendmsg([1,"VM must be created before it can be cloned"], $callback,$node);
@@ -1459,14 +1461,62 @@ sub clonevm {
my $directory=$1;
my $mastername=$2;
$tmpnod = $parsedxml->findnodes('/domain/name')->[0];
$tmpnod = $parsedxml->findnodes('/domain/name/text()')->[0];
$tmpnod->setData($mastername); #name the xml whatever the master name is to be
my $poolobj = get_storage_pool_by_url($directory);
unless ($poolobj) {
xCAT::SvrUtils::sendmsg([1,"unable to reach $directory from hypervisor"], $callback,$node);
xCAT::SvrUtils::sendmsg([1,"Unable to reach $directory from hypervisor"], $callback,$node);
return;
}
#arguments validated, on with our lives
#first order of business, calculate all the image names to be created and ensure none will conflict.
my @disks = $parsedxml->findnodes('/domain/devices/disk/source');
my %volclonemap;
foreach (@disks) {
my $filename = $_->getAttribute('file');
my $volname = $filename;
$volname =~ s!.*/!!; #perl is greedy by default
$volname =~ s/^$node/$mastername/;
my $novol;
eval {
$poolobj->refresh();
$novol = $poolobj->get_volume_by_name($volname);
};
if ($novol) {
xCAT::SvrUtils::sendmsg([1,"$volname already exists in target storage pool"], $callback,$node);
return;
}
my $sourcevol;
eval {
$sourcevol = $hypconn->get_storage_volume_by_path($filename);
};
unless ($sourcevol) {
xCAT::SvrUtils::sendmsg([1,"Unable to access $filename to clone"], $callback,$node);
return;
}
$volclonemap{$filename}=[$sourcevol,$volname];
$filename =~ s/^$node/$mastername/;
$_->setAttribute(file=>$filename);
}
foreach (keys %volclonemap) {
my $sourcevol = $volclonemap{$_}->[0];
my $targname = $volclonemap{$_}->[1];
$targname =~ /([^\.]*)$/;
my $newvol;
my %sourceinfo = %{$sourcevol->get_info()};
my $targxml = "<volume><name>$targname</name><target><format type='$1'/></target><capacity>".$sourceinfo{capacity}."</capacity></volume>";
xCAT::SvrUtils::sendmsg("Cloning ".$sourcevol->get_name()." (currently is ".($sourceinfo{allocation}/1048576)." MB and has a capacity of ".($sourceinfo{capacity}/1048576)."MB)",$callback,$node);
eval {
$newvol =$poolobj->clone_volume($targxml,$sourcevol);
};
if ($newvol) {
%sourceinfo = %{$newvol->get_info()};
xCAT::SvrUtils::sendmsg("Cloning of ".$sourcevol->get_name()." complete (clone uses ".($sourceinfo{allocation}/1048576)." for a disk size of ".($sourceinfo{capacity}/1048576),$callback,$node);
} else {
xCAT::SvrUtils::sendmsg([1,"Cloning of ".$sourcevol->get_name()." failed due to ". $@],$callback,$node);
return;
}
}
my $mastertabentry={};
foreach (qw/os arch profile/) {
if (defined ($confdata->{nodetype}->{$node}->[0]->{$_})) {
@@ -1480,6 +1530,8 @@ sub clonevm {
}
$mastertabentry->{vintage}=localtime;
$mastertabentry->{originator}=$requester;
$updatetable->{vmmaster}->{$mastername}=$mastertabentry;
$updatetable->{kvm_masterdata}->{$mastername}->{xml} = $parsedxml->toString();
}
}
@@ -1617,6 +1669,8 @@ sub guestcmd {
return power(@args);
} elsif ($command eq "mkvm") {
return mkvm($node,@args);
} elsif ($command eq "clonevm") {
return clonevm($node,@args);
} elsif ($command eq "chvm") {
return chvm($node,@args);
} elsif ($command eq "rmvm") {