VM list name and the cluster that it flows in a CSV file

Hello

I want to have a created CSV file that will conaitn 2 fields: vm_name, vm_custer

Which means, I want to list the name of the virtual machine and the cluster is running in a CSV file.

Here is the code I wrote:

#! / usr/bin/perl - w
use strict;
Use Data::Dumper;
use VMware::VIRuntime;
My % opts = (data center = > {})
Type = > "s =",
help = > 'enter the name of the data center. "
required = > 1,
});
OPTS::add_options (%OPTS);
OPTS::parse();
OPTS::Validate();
Util::connect;
"open (my $FH, ' > ', 'final.csv') or die" cannot opne final.csv: $! » ;
print $FH 'VM_Cluster, VM_Name, \n ";
my $dc = Opts::get_option ("data center");
My $dc_view = Vim::find_entity_view (view_type = > 'Data center',)
filter = > {name = > $dc});
My $clu_views = Vim::find_entity_views (view_type = > "ComputeResource")
begin_entity = > $dc_view);
my $cluster foreach (@$clu_views)
{
My $clu_name = $cluster-> name;
my $hosts = $cluster-> host;
foreach (@$hosts)
{
My $host_hash_ref = Vim::get_view (mo_ref = > $_);
My $vm_view = $host_hash_ref-> virtual machine;
foreach (@$vm_view)
{
My $vm_hash_ref = Vim::get_view (mo_ref = > $_);
My $vm_name = $vm_hash_ref-> name;
$FH print $clu_name. ", ".  $vm_name. », «. "\n" unless $clu_name = ~ m/0bld0 /; "
}
}
}
Close ($FH);
Util::disconnect;

Now, I get the CSV file created as I wanted to, but the question is, there are 3500 + VMs in vCenter and this script side took 50 minutes to complete. It is therefore a huge performance impact. Also, I don't like the concept of 3 layers netsted foreach loops.

Therefore, there is an effective way to get this information?

Thank you.

Your welcome.  It could be made faster, but the complexity of the additional code is probably not worth if the runtime you have now is enough.  No doubt, you can add additional data to your report without too slow.

You can also find the script works faster or slower depending on what is happening in your virtual center system.

Thanks for the update on the success!

Tags: VMware

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