PowerCLI: Copy Datastore Items


In this short post I will show a PowerCLI script I wrote to copy ISO files from datastore y to datastore x. The datastores are in the same vCenter and virtual datacenter accessible but the vSphere hosts are located inside two different IP subnets and a firewall rule prevents to copy files between the two subnets. So I had to think about a work around. Well this one is easy. On the vCenter server I created a script to peform the following steps:

  1. Create two PSDrives for each Datastore
  2. Get al the ISO filenames
  3. Downlad the ISO to the c:\tmp directory from datastore y
  4. Upload the ISO from the C:\tmp directory to the datastore<X>\iso directory
  5. Remove the ISO from C:\tmp
  6. repeat the steps above until all the ISO files are copied to the new datastore.

The PowerCLI script to perform the described tasks:

New-PSDrive -location (get-datastore template-01) -name tpl01 -PSProvider VimDatastore -Root '\'
New-PSDrive -location (get-datastore template-02) -name tpl02 -PSProvider VimDatastore -Root '\'

$isos = ls tpl01:\iso\ | % {$_.Name}
foreach($iso in $isos){
    Write-Host "copy $($iso) to C:\tmp" -fore Yellow
    Copy-DatastoreItem -item tpl01:\iso\$iso -Destination C:\tmp
    
    Write-Host "copy $($iso) to template-02\iso" -fore Yellow
    Copy-DatastoreItem -item C:\tmp\$iso -Destination tpl02:\iso
    
    Write-Host "removing the tmp file $($iso) from C:\tmp" -fore Yellow
    Remove-Item C:\tmp\$iso -confirm:$false
    
    Write-Host "done" -fore Green
}

So once again PowerCLI to the rescue.

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