Bases: congress.datasources.datasource_driver.PollingDataSourceDriver, congress.datasources.datasource_driver.ExecutionDriver
Overwrite ExecutionDriver.execute().
Called when it is time to pull new data from this datasource.
Pulls lists of objects from vCenter, if the data does not match the correspondig table in the driver’s raw state or has not yet been added to the state, the driver calls methods to parse this data.