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new post: powercli-list-linux-vms-and-datacenter-locations

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John Bowdre 2022-01-13 15:07:36 -06:00
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---
title: "Using PowerCLI to list Linux VMs and Datacenter Locations" # Title of the blog post.
date: 2022-01-13T13:53:08-06:00 # Date of post creation.
# lastmod: 2022-01-13T13:53:08-06:00 # Date when last modified
description: "A quick bit of PowerCLI to generate a report showing Linux VMs and their datacenter locations." # Description used for search engine.
featured: false # Sets if post is a featured post, making appear on the home page side bar.
draft: false # Sets whether to render this page. Draft of true will not be rendered.
toc: false # Controls if a table of contents should be generated for first-level links automatically.
usePageBundles: true
# menu: main
# featureImage: "file.png" # Sets featured image on blog post.
# featureImageAlt: 'Description of image' # Alternative text for featured image.
# featureImageCap: 'This is the featured image.' # Caption (optional).
thumbnail: "PowerCLI.png" # Sets thumbnail image appearing inside card on homepage.
# shareImage: "share.png" # Designate a separate image for social media sharing.
codeLineNumbers: false # Override global value for showing of line numbers within code block.
series: Tips
tags:
- vmware
- powercli
comment: true # Disable comment if false.
---
I recently needed to export a list of all the Linux VMs in a rather large vSphere environment spanning multiple vCenters (and the entire globe), and I wanted to include information about which virtual datacenter each VM lived in to make it easier to map VMs to their physical location.
I've got a [`Connect-vCenters` function](/logging-in-to-multiple-vcenter-servers-at-once-with-powercli/) that I use to quickly log into multiple vCenters at once. That then enables me to run a single query across the entire landscape - but what query? There isn't really a direct way to get datacenter information out of the results generated by `Get-VM`; I could run an additional `Get-Datacenter` query against each returned VM object but that doesn't sound very efficient.
What I came up with is using `Get-Datacenter` to enumerate each virtual datacenter, and then list the VMs matching my query within:
```powershell
$linuxVms = foreach( $datacenter in ( Get-Datacenter )) {
Get-Datacenter $datacenter | Get-VM | Where { $_.ExtensionData.Config.GuestFullName -notmatch "win" -and $_.Name -notmatch "vcls" } | `
Select @{ N="Datacenter";E={ $datacenter.Name }},
Name,
Notes,
@{ N="Configured OS";E={ $_.ExtensionData.Config.GuestFullName }}, # OS based on the .vmx configuration
@{ N="Running OS";E={ $_.Guest.OsFullName }}, # OS as reported by VMware Tools
@{ N="Powered On";E={ $_.PowerState -eq "PoweredOn" }},
@{ N="IP Address";E={ $_.ExtensionData.Guest.IpAddress }}
}
$linuxVms | Export-Csv -Path ./linuxVms.csv -NoTypeInformation -UseCulture
```
This gave me a CSV export with exactly the data I needed.