Bug Reference & Branch

CLOUDSTACK-....

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To increase the number of parallel uploads, multiple SSVMs needs to be created. This will be handled automatically by the management server using the system.vm.auto.reserve.capacity, secstorage.capacity.standby and secstorage.session.max configuration variables.

API changes

The browser-based uploading process will have three steps:

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At any point while this post is active, the api user should be able to call the listtemplates/listvolumes api to get the upload status of it. 

Sequence Diagram

1. failure at any point during the form upload to ssvm apache would return error to the user and DOWNLOAD_ERROR when the management server pings for download status.
2. polling starts after the success of getUploadParams
3. current polling interval is 10000 ms 
4. currently it polls thrice to check the status. We may need to increase this. (is the current value 5 or 3?)

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1. DownloadProgressCommand will be used the check the download progress (from Management server to Agent)
2. DownloadCommand will be used to start the download(SSVM Apache to SSVM Agent)

State Diagram

Template/Volume states

States:

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