понедельник, 23 февраля 2009 г.

Автоматическая массовая настройка ESX

Автоматизация массовой настройки ESX через PowerShell - NAEPS (Not Another ESX Provisioning Script).

Скрипт умеет:
* Configure the license server
* Upload signed SSL key and certificate files to the ESX server
* Rename all local datastores to try to reduce the accidental deployment to local stores
* Configure the firewall for NTP and updateManager
* Targeted for ESX although there is also a nod to ESXi provisioning
* Configure the environment for our special case where the VCS-ESX communications are on an isolated network

and a separate isolated VMotion network

* Rescan the HBAs

It does the "usual" stuff borrowed from lberc and others:

* reset the root password
* configure networks
* joining to VCS servers
* configuring NTP, DNS, domain, name, IP's etc.

Some interesting concepts explored here, although hints of topics on these throughout the forums

* Upload files to an https server with a self-signed SSL certificate
* Finding the local datastores on an ESX server
* Accessing and modifying the firewall configuration
* Dealing with Passwords entered with the Read-Host -asSecureString

Some caveats

* This is my first significant Powershell, .Net and VI project. I am sure many of you will cringe when you look at the arcane methods I found.
* We do a manual install of ESX rather than using kickstart. I expect we'll head towards ESXi and this work wouldn't have paid back. This script is run immediately after the reboot following the installation.
* It works pretty well in our target environment, but there is no guarantee or warranty it will work in yours.
* The upload stuff works here works for fairly small files. (file size=memory consumed) Carter Shanklin and I are

working to improve the upload process. Watch Carter's (c_shanklin) blog and his VI Toolkit Extensions at http://www.codeplex.com/vitoolkitextensions

A few features for the next version of this script - perhaps in another life:

* It should really attach the server to an Update Manager baseline and remediate.
* Replace all the anachronisms with the best-practice methods
* Configure a VMKernel network and gateway on the Management VLAN
* A way cool Windows.Forms with drop-down lists to capture the information
* Automatically download backup ESXi configuration file to the local disk

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