Remove old files
Refactor integration logic
RefactorProvidersIntegration v1
Refactor cs_plan_attr model, add a cs_host_attr model and refactor cloudstack_client
Add cloudstack migrations and some class refactoring
Change logging strategy
A small change
Comment some lines which need to be refactored
Add paramiko to project
Add pre_provisioned_client and moves DatabaseInfra.best_for logic to it.
Add iaas manager and also some logic to choose the provider
Add cloud stack vm user and password fields
Add provider field to physical.plan
Fix iaas manager syntax error and physical.databaseinfra.best_for wrong iaas manager field reference
Fix paramiko and cloudstack integration
Add SSH method
Add exception handling to create and destroy
Refactor database delete method
Add destroy to iaas manager
Refactor destroy