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45 lines
2.8 KiB
Markdown
45 lines
2.8 KiB
Markdown
---
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title: "Using PowerCLI to list Linux VMs and Datacenter Locations" # Title of the blog post.
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date: 2022-01-13T13:53:08-06:00 # Date of post creation.
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# lastmod: 2022-01-13T13:53:08-06:00 # Date when last modified
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description: "A quick bit of PowerCLI to generate a report showing Linux VMs and their datacenter locations." # Description used for search engine.
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featured: false # Sets if post is a featured post, making appear on the home page side bar.
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draft: false # Sets whether to render this page. Draft of true will not be rendered.
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toc: false # Controls if a table of contents should be generated for first-level links automatically.
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usePageBundles: true
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# menu: main
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# featureImage: "file.png" # Sets featured image on blog post.
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# featureImageAlt: 'Description of image' # Alternative text for featured image.
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# featureImageCap: 'This is the featured image.' # Caption (optional).
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thumbnail: "PowerCLI.png" # Sets thumbnail image appearing inside card on homepage.
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# shareImage: "share.png" # Designate a separate image for social media sharing.
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codeLineNumbers: false # Override global value for showing of line numbers within code block.
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series: Scripts
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tags:
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- vmware
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- powercli
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- powershell
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comment: true # Disable comment if false.
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---
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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.
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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.
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What I came up with is using `Get-Datacenter` to enumerate each virtual datacenter, and then list the VMs matching my query within:
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```powershell
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$linuxVms = foreach( $datacenter in ( Get-Datacenter )) {
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Get-Datacenter $datacenter | Get-VM | Where { $_.ExtensionData.Config.GuestFullName -notmatch "win" -and $_.Name -notmatch "vcls" } | `
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Select @{ N="Datacenter";E={ $datacenter.Name }},
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Name,
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Notes,
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@{ N="Configured OS";E={ $_.ExtensionData.Config.GuestFullName }}, # OS based on the .vmx configuration
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@{ N="Running OS";E={ $_.Guest.OsFullName }}, # OS as reported by VMware Tools
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@{ N="Powered On";E={ $_.PowerState -eq "PoweredOn" }},
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@{ N="IP Address";E={ $_.ExtensionData.Guest.IpAddress }}
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}
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$linuxVms | Export-Csv -Path ./linuxVms.csv -NoTypeInformation -UseCulture
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```
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This gave me a CSV export with exactly the data I needed.
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