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Rohit Yadav feaeed7b16
Merge pull request #1542 from nvazquez/nestedv 
CLOUDSTACK-9379: Support nested virtualization at VM level on VMware Hypervisor## Introduction

[JIRA TICKET](https://issues.apache.org/jira/browse/CLOUDSTACK-9379)

It is desired to support nested virtualization at VM level for VMware hypervisor. Current behaviour supports enabling/desabling global nested virtualization by modifying global config `'vmware.nested.virtualization'`. It is wished to improve this feature, having control at VM level instead of a global control only.

A new global configuration is added, to enable/disable VM nested virtualization control: `'vmware.nested.virtualization.perVM'`. Default value=false

After a vm deployment or start command, vm params include `'nestedVirtualizationFlag'` key and its value is:
- true -> nested virtualization enabled
- false -> nested virtualization disabled

**We will determinate nested virtualization enabled/disabled by examining this 3 values:**
- **(1)** global configuration `'vmware.nested.virtualization'` value
- **(2)** global configuration `'vmware.nested.virtualization.perVM'` value
- **(3)** `'nestedVirtualizationFlag'` value in `user_vm_details` if present, `null` if not.

Using this 3 values, there are different use cases:
- **(1)** = TRUE, **(2)** = TRUE, **(3)** is null -> _ENABLED_
- **(1)** = TRUE, **(2)** = TRUE, **(3)** = TRUE -> _ENABLED_
- **(1)** = TRUE, **(2)** = TRUE, **(3)** = FALSE -> _DISABLED_
- **(1)** = TRUE, **(2)** = FALSE, **(3)** indifferent  -> _ENABLED_
- **(1)** = FALSE, **(2)** = TRUE, **(3)** is null -> _DISABLED_
- **(1)** = FALSE, **(2)** = TRUE, **(3)** = TRUE -> _ENABLED_
- **(1)** = FALSE, **(2)** = TRUE, **(3)** = FALSE -> _DISABLED_
- **(1)** = FALSE, **(2)** = FALSE, **(3)** indifferent -> _DISABLED_

* pr/1542:
  CLOUDSTACK-9379: Support nested virtualization at VM level on VMware Hypervisor

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
 		2016-11-23 15:00:36 +05:30
..
bindirbak apply chip childers licensing patches for the test directory 2012-06-26 11:19:58 -04:00
conf Uniting all the READMEs from tools and test 2012-10-12 17:01:20 +05:30
integration Merge pull request #1542 from nvazquez/nestedv 2016-11-23 15:00:36 +05:30
metadata License header updates for the test folder. 2012-08-03 10:39:05 -04:00
scripts CLOUDSTACK-28 wget.exe (GPLed) is present in the tools directory as a binary 2012-09-24 10:31:47 -04:00
selenium CLOUDSTACK-6015: add user account, add user, login as new user, delete user, delete user account. 2014-03-28 06:21:59 -04:00
src/com/cloud CLOUDSTACK-8656: debug messages on interupted exceptions 2015-07-30 16:03:10 +02:00
systemvm Getting redundancy to work via teh configuration files 2015-03-16 11:35:29 +01:00
pom.xml Adds support for four position versions and optional db upgrades 2016-08-30 13:32:32 +05:30