Posts tagged: DSL

VQL – A Domain Specific Language for Virtualization

By Steve Jin, February 26, 2010

Last summer, Reflex VP engineering Aaron Bawcom visited VMware campus. He is one of the authors of Virtualization For Security: Including Sandboxing, Disaster Recovery, High Availability, Forensic Analysis, And Honeypotting.

During our talk, Aaron told me a secret project called VQL. Because it’s a secret, I didn’t talk about it to anyone. Just before the PEX 2010, we exchanged emails about the VQL. Aaron told me it’s already shipped. So it’s time to broadcast it.

VQL is a DSL that looks like SQL, easy to understand and easy to use. Unlike SQL on data, it’s on virtual resources in vSphere environment. The following is a quick sample. It gets back the VMs installed with SQL servers with verions newer than 9.2 and they are running 10 minutes ago.

SQL Server and VersionMajor >= 9 and VersionMinor >= 2 project vm at 10 minutes ago

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Author: Steve Jin is the author of VMware VI and vSphere SDK (Prentice Hall), creator of VMware vSphere Java API. For future articles, please subscribe to Email or RSS, and follow on Twitter.

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