ApplyStorageDrsRecommendation_Task crashes vCente

People, I'm trying to write a script to create virtual machines in my cluster. Right now, I have a script, but it crashes my server vCenter completely. I posted the script and asked the question in the vSphere SDK management forum already ( http://communities.vmware.com/message/2229982#2229982). I hope that people in this forum can help identify the bug in the script below which causes the crash.

Requirements for the construction of a host are that I define the hostname, file, CPU, memory, disk space and network to use. The script specifies the storage cluster to use and must choose the correct data store for me to put the guest and his vmdk.

All boards with the script would be useful. Can I use ApplyStorageDrsRecommendation_Task, or is there something more appropriate. I do something wrong it would cause to the crash?

Thank you

Scott

#! / usr/bin/perl
use strict;
use VMware::VIRuntime;
use VMware::VILib;
Use Data::Dumper;
# Se connect to vSphere and collect information
OPTS::parse();
OPTS::Validate();
Util::Connect();
My $dscluster = Vim::find_entity_view (view_type = > 'StoragePod', filter = > {"name" = > "SANCLUST"}, properties = > ['name']);
If (! defined ($dscluster)) {}
Print "unable to locate the data cluster store: $dscluster! \n » ;
Util::Disconnect();
Exit 1;
}
My $folder = Vim::find_entity_view (view_type = > 'Folder', filter = > {"name" = > "Folder-blah"}, properties = > ['name']);
If (! defined ($folder)) {}
Print "cannot find the folder to use.
!\n";
Util::Disconnect();
Exit 1;
}
# Create some devices
My @vm_devices;
Push (@vm_devices, create_controller_spec());
Push (@vm_devices, create_virtual_disk (60));
My $configSpec = VirtualMachineConfigSpec-> new)
name = > 'test-vm. "
memoryMB = > 2048,
numCPUs = > 2,
deviceChange = > \@vm_devices);
# We only a pool of resources. Use this one for the storageplacementspec
My $resourcePools = Vim::find_entity_views (view_type = > "ResourcePool");
My $storageMgr = Vim::get_view (mo_ref = > Vim::get_service_content()--> storageReso)
urceManager);
My $podSpec = StorageDrsPodSelectionSpec-> new (storagePod = > $dscluster);
My $storageSpec = StoragePlacementSpec-> new (type = > 'create',)
podSelectionSpec = > $podSpec,
file = > $folder,
Context = > $configSpec,
resourcePool = > $resourcePools-> [0]
);
# Understand what data store to put the comments
my $result = $storageMgr-> RecommendDatastores (storageSpec = > $storageSpec);
My $curRec;
My $curRecFree = 100;
my $rec foreach (@{$result-> recommendations}) {}
#print dumper ($rec-> {action}-> [0]-> spaceUtilAfter); Exit 0;
If ($rec-> action-> [0]-> spaceUtilAfter < $curRecFree) {}
$curRecFree = $rec-> action-> [0]-> spaceUtilAfter;
$curRec = $rec-> key;
}
}
# Create the virtual computer
#$storageMgr-> ApplyStorageDrsRecommendation_Task (key = > [$curRec]);
impression $curRec
. "\n";
void create_virtual_disk {}
my ($space) = @_;
my $backing = new VirtualDiskFlatVer2BackingInfo (diskMode = > 'persistent',)
Split = > 0, thinProvisioned = > 1,
fileName = > "[test-vm]");
my $device = new VirtualDisk (backup = > $backing controllerKey = > 0,)
key = > 0, unitNumber = > 0,
capacityInKB = > ($space * 1024 * 1024));
new return VirtualDeviceConfigSpec (device = > $device,)
fileOperation = > VirtualDeviceConfigSpecFileOperation-> new ('create').
operation = > VirtualDeviceConfigSpecOperation-> new ('add'));
}
void create_controller_spec {}
my = $controller
VirtualBusLogicController-> new (key = > 0,
device = > [0],
busNumber = > 0,
sharedBus = > VirtualSCSISharing-> new ('noSharing'));
My = $controller_vm_dev_conf_spec
VirtualDeviceConfigSpec-> new (device = > $controller,)
operation = > VirtualDeviceConfigSpecOperation-> new ('add'));
Return $controller_vm_dev_conf_spec;
}

OK, so I have a script that works now...

First comment...

The case with regular support went nowhere. Because it had to do with the SDK, he falls into a grey area where all they can do is get the engineers to examine why it crashes. There is another group, support SDK which specializes in project SDK. It is not included with the normal support and must be purchased separately. However, it is IMPOSSIBLE to get your hands on the SDK support team. My sales representative was completely less than helpful. And support could not find a way to find or the other. Their web form is left unanswered, so I won't even worry about posting the link here. The support people went above and beyond to try to find them (Richard and his Director Jean-Paul... Thanks for trying, guys!) but couldn't find them either... My guess is that the SDK support is a group of toolboxes, hidden in the cellar under the stairs or something.

Now the fix...

It is clear that the ApplyStorageDRSRecommendation is broken by trying to create a guest... So, I rewound that I made and decided to use createVM_Task instead. But, how do you know what the cluster data store to register to? Well, I wrote a routine that got all the warehouses of data in the cluster and found the one with the most space... Which is all I wanted the DRS service anyway. When checking the prompt resulting summary view and DTS settings it seems to be configured correctly (same level of automation as other guests) even if I'm not using the DTS API directly, so I'm happy... For the time being.

Here's the function to determine what data store to use. Comments are welcome...

sub get_recommended_datastore_from_cluster {
    my ( $cluster ) = @_;

    # Get datastore information from system
    my $sp = Vim::find_entity_view( view_type => 'StoragePod',
                                        properties => [ 'name', 'childEntity' ],
                                        filter => { name => $cluster  } );
    return undef if ( ! defined( $sp ) );

    # Go through the datastores that are in the cluster and get their space
    my %datastores;
    foreach my $mo ( @{$sp->childEntity} ) {
        my $ds = Vim::get_view( mo_ref => $mo,
                                properties => [ "name", "summary.freeSpace" ] );
        $datastores{$ds->{"summary.freeSpace"}} = $ds->name;
    }

    # Find the one with the most free space and return it
    my $max = ( sort { $b <=> $a } keys( %datastores ) )[0];
    return $datastores{$max};
}

Thank you

Scott

Tags: VMware

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    Any help would be appreciated.

    Thank you.

    Can you confirm the new vCenter Server is properly registered in DNS and is able to resolve the names of domain the ESXi host's FULL name, i.e. settings of IP of the server vCenter, including its server DNS entry are correct? Are you able to connect hosts using their IP addresses, just to test if it works.

    André

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