[GitHub] [cloudstack] anuragaw opened a new pull request #3454: [WIP DO NOT MERGE] Add support for new heuristics based VM Deployement

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anuragaw opened a new pull request #3454: [WIP DO NOT MERGE] Add support for new heuristics based VM Deployement
URL: https://github.com/apache/cloudstack/pull/3454
 
 
   Currently an admin can choose which host a VM is to be started on. They should be able to 'override' the allocation algorthm to a greater or lesser extent at will, and be able to choose the pod, cluster or host
   that they wish a new VM to be deployed in.
   
   DeployVirtualMachine API has been extended with additional, optional parameters podid and clusterid that will be passed to and used in the deployment planner, when selecting a viable host. If the user supplies a pod, a suitable host in the given pod will be selected. If the user supplies a cluster, a suitable host in the given cluster will be selected.
   
   Based on the parameter supplied and on passing validation, the VM will then be deployed on the selected host, cluster or pod.
   
   ## Description
   <!--- Describe your changes in detail -->
   
   <!-- For new features, provide link to FS, dev ML discussion etc. -->
   <!-- In case of bug fix, the expected and actual behaviours, steps to reproduce. -->
   
   <!-- When "Fixes: #<id>" is specified, the issue/PR will automatically be closed when this PR gets merged -->
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   ## Types of changes
   <!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
   - [ ] Breaking change (fix or feature that would cause existing functionality to change)
   - [ ] New feature (non-breaking change which adds functionality)
   - [ ] Bug fix (non-breaking change which fixes an issue)
   - [x] Enhancement (improves an existing feature and functionality)
   - [ ] Cleanup (Code refactoring and cleanup, that may add test cases)
   
   ## Screenshots (if appropriate):
   ![image](https://user-images.githubusercontent.com/19572501/52850580-81eaba00-311c-11e9-918b-f0b04c46c0fd.png)
   ## How Has This Been Tested?
   <!-- Please describe in detail how you tested your changes. -->
   <!-- Include details of your testing environment, and the tests you ran to -->
   <!-- see how your change affects other areas of the code, etc. -->
   
   
   <!-- Please read the [CONTRIBUTING](https://github.com/apache/cloudstack/blob/master/CONTRIBUTING.md) document -->
   

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