Managing the Infrastructure Stack with PowerShell
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In this talk I outline the growth of PowerShell's ability to manage the infrastructure stack. I highlight some core challenges, and provide potential solutions for future challenges and environments at scale.
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Managing the Infrastructure Stack with PowerShell
- 1. Managing the Infrastructure Stack with PowerShell Josh Atwell Developer Advocate SolidFire, now part of NetApp @josh_atwell #PSHSUMMIT
- 2. Celebrating 10 Years of PowerShell 2006 - 2016 • Jeffrey Snover • Kenneth Hansen • Lee Holmes • Narayanan Lakshmanan • Hemant Mahawar • Bruce Payette • Hitesh Raigandhi • Dan Travison • Jim Truher • Krishna Vutukuri Congratulations to the team members who’ve been there since the beginning… ...and thanks for all the great work!
- 4. Why PowerShell the Stack? Why wouldn’t you? PowerShell ALL the things!
- 5. Twitter Poll I polled twitter to see how many layers people are managing with PowerShell
- 6. We Now Have • More Layers • More complexity • Consumption models have shifted Seeking • Management at Scale • DevOps / Lean Ops • More IT as a Service Physical Hardware Operating System App Virtualization NSX ACI vCenter Server vRealize Suite Orchestrator Operating System App App VIO Hyper-V System Center Orchestrator
- 7. Let’s Start with the Tools When you’re a hammer every problem is a nail.
- 8. More APIs = More PowerShell Growth of infrastructure extensibility means more opportunities for PowerShell and its users
- 9. Infrastructure Tools • PowerShell • VMware PowerCLI • OpenStack PoshShell • Cisco UCS Powertool • HP Scripting Tools for PowerShell • SolidFire PowerShell Tools • NetApp PowerShell Toolkit • Community • PowerNSX • EMC {Code}
- 10. Physical Hardware Operating System App Virtualization NSX ACI vCenter Server vRealize Suite Orchestrator Operating System App App VIO Hyper-V System Center Orchestrator
- 11. Use Cases What to do with this toolbox
- 12. PowerShelling Stack Duh • Reporting • Implementation • DevOps • Configuration • Extending Tools
- 13. Physical Operating System App Virtualization Virtual Switch Uplink VLAN MTU Ethernet Port Switch Port Storage Adapter
- 14. Physical Operating System App Virtualization VMDK / VHD Datastore Storage Volume/Lun Disk / Mount Hard Drives Which VMDK? Which Datastore? Which Lun? Process{ $scsiID = ((Get-ScsiLun -Datastore $datastore).CanonicalName).Split(".")[1] $result = Get-SFVolume | Where{$_.ScsiNAAdeviceID -eq $scsiID} Return $result }
- 15. DMZDSC in the DMZ Operating System App DSC vCenter Server ESXi DSC DSC VMware Tools https://github.com/DevOpsForVMwareAdministrators/powershell-dsc ? # Copy the script to the designated directory on target VM Copy-VMGuestFile -Source $script -Destination $mofpath -LocalToGuest -VM $vm - HostCredential $cred -Server $vcenter - GuestCredential $guestcred # Invoke the copied script on the target VM Invoke-VMScript -ScriptText $moffile -VM $vm - HostCredential $cred -Server $global:DefaultVIServer -GuestCredential $guestcred No Open Ports
- 16. PowerActions • Embeds PowerCLI with vSphere Web Client • Extend web client capabilities
- 17. Let’s learn some cmdlets Just Kidding. Let’s talk challenges
- 18. Core Challenges • Managing Multiple Modules/Tools • Relationship Mapping • Scale
- 19. Multiple Providers • PSSnapin vs Modules • Each Vendor has an installer • $env:PSModulePath Defaults • $homeDocumentsWindowsPow erShellModules; $pshomeModules.
- 20. Physical Operating System App Virtualization VMDK / VHD Datastore Storage Volume/Lun Disk / Mount Hard Drives Which VMDK? Which Datastore? Which Lun? Query for that information can be cumbersome Collect All | Filter | Grab Piece you really wanted
- 21. Physical Operating System App Virtualization Virtual Switch Uplink VLAN MTU Ethernet Port Switch Port Adapter
- 22. Application DNA Applying Relationship Maps Physical Operating System Virtualization Virtual Switch Uplink Ethernet Port Switch Port Storage Adapter VMDK / VHD Datastore Volume/Lun Disk / Mount Hard Drives JSON XML CSV SQL DB vRAM Sys Memory pRAM Server ESXi Host
- 23. Example $scsiID = ((Get-ScsiLun -Datastore $datastore).CanonicalName).Split(".")[1] $result = Get-SFVolume | Where{$_.ScsiNAAdeviceID -eq $scsiID} $result | ConvertTo-JSON | Set-Content Datastore-Volume.JSON $global:DSVol = (Get-Content Datastore-Volume.JSON) –join “`n” | ConvertFrom-JSON $scsiID = ($global:DSVol | Where{$_.DatastoreName –eq ‘DatastoreName’}).scsiID $result = Get-SFVolume | Where{$_.ScsiNAAdeviceID -eq $scsiID}
- 24. Why App DNA? • Quicker Reporting • Shorter Time to Resolution • Faster Implementation • Improve Value Stream • Dynamic Parameter Sets • Faster PowerActions or vRO calls.
- 25. Growth Areas • More DSC Resources • Cisco UCS PowerTool DSC • Moving away from PSSnapins
- 26. Questions?