Hi all,
I have written a small program to get the server list from EC2 using the
abstraction API of jclouds. I have followed the instructions in
http://jclouds.apache.org/documentation/userguide/compute/
I have created a service context that gets the compute service object in
a method and then use the various methods of compute service or metadata
to get the relevant information. It works ok, but i have the following
question: when is the actual API call made to EC2? I assumed that this
happens in the service context but the timing of the calls indicate that
this is done in the compute service methods (it needs around 3 seconds
for passing the context phase and around 25 seconds to print the node
information). Is this true? This would seem also reasonable since the
service methods also include direct manipulation of the VMs, so it would
seem reasonable to contact the EC2 API at that stage. Just wanted to
clarify if indeed this happens.
BR,
george
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