Previously the vSphere provider did not implement any of the required methods
from the base class. This commit modifies the vSphere provider so that in
can properly implement the following methods:
- name
- vms_in_pool
- get_vm_host
- find_least_used_compatible_host
- migrate_vm_to_host
- get_vm
- create_vm
- destroy_vm
- vm_ready?
- vm_exists?
- create_disk
- create_snapshot
- revert_snapshot
This commit also includes changes to syntax for rubocop violations.
Previously, all calls to the vSphere API assumed an instance variable called
`@connection`. This commit prepares the provider for a connection pooler:
- Removes all references to `@connection` where needed and funnels all calls to
get a vSphere connection through the newly renamed method `get_connection`.
For the moment, this still uses `@connection` behind the scenes but will make
it easier in the future to migrate to a connection pooler
- Removes all references and tests for the ensure_connected method as it's no
longer required
- All methods that explicitly need a connection object will have this as part of
the method parameters
- The connect_to_vsphere method has been changed so that instead of setting the
instance level `@connection` object it just returns the newly created connection.
This can then be easily consumed by a connection pooler later.
Previously, the vSphere Provider had two methods called
`find_least_used_compatible_host`: one in the base class and one in the vSphere
helper methods. This commit renames the vSphere helper methods and tests to
`find_least_used_vsphere_compatible_host` to stop the conflict.
This commit fixes minor rubocopy violations in eleven source files. Minor
violations are those that include formatting, single quotes, and recently added
classes.
