Hi,
I'm an apache cloudstack committer and have contributed feature 'VM Snapshot' to apache community. Your requirement is actually easy to implement and i want to remind you that there are some scripts you can pick up and use directly on internet, such as following link:
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Frankly speaking, i dont think this kind script worth $250-$750 unless you have more requirements. Anyway, free feel to contact me if you want anything tailored in your cloud/virtualization envrionment.
Regards
Mice
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