public int Invoke(Dictionary<string, string> args)
{
var saveAsTemplate = args.Keys.Contains(Arguments.SaveTemplate) &&
Boolean.Parse(args[Arguments.SaveTemplate]);
var credentials = new Credentials(args[Arguments.Username], args[Arguments.Password]);
var configName = args[Arguments.ConfigName];
var logger = LoggerFactory.GetLogger();
// Deserialize the persisted values from a previous run. The previous run would have saved off
// a config URL, any IDs for reference, among other things.
var configState = new ConfigurationState();
var config = configState.Deserialize(configName);
// FUTURE: May want to consider cleaning up the interim persistence XML file here after every run,
// although it can be useful for debugging purposes.
// FUTURE: Use the log file path in the persisted data to append to an existing log file instead of
// creating a new one. Note that this will need to be done at the program level as opposed to individual
// commands, which is more work. Suggest moving the deserialization logic earlier (program level) and
// setting up the log file once.
logger.LogInfo(config.ToString());
// Saving a template will automatically put the configuration into a suspended state. If a template is
// not being saved, then force the suspended state. Although not strictly necessary, this makes deleting
// connections and subsequently shutdown more robust.
if (saveAsTemplate)
{
SkytapApi.SaveAsSkytapTemplate(credentials, config.ConfigurationUrl);
}
else
{
SkytapApi.SetConfigurationState(credentials, config.ConfigurationUrl, ConfigurationStates.Suspended);
}
// Wait for Skytap to return the expected configuration state. Do this with a retry block
// to test for the desired state every second for 5 minutes.
Retry.Execute(() => SkytapApi.CheckConfigurationForDesiredState(credentials, config.ConfigurationUrl,
ConfigurationStates.Suspended),
NumRetriesCheckConfigState,
_retryIntervalCheckConfigState);
// Prior to deleting a configuration, query the current connection state and disconnect
// any existing ICNR or VPN connection. This helps prevent state issues on the Skytap side
// with not being able to recreate the configuration once again.
CleanupConnections(credentials, config);
// HACKHACK: this state check is an attempted workaround at resolving a response not received when deleting a configuration
Retry.Execute(() => SkytapApi.CheckConfigurationForDesiredState(credentials, config.ConfigurationUrl,
ConfigurationStates.Suspended),
NumRetriesCheckConfigState,
_retryIntervalCheckConfigState);
// NOTE: It was determined by the engineering team that shutting down the configuration need not
// be in a finally block. If the configuration does not shut down due to a previous error, we can
// live with it.
SkytapApi.ShutDownConfiguration(credentials, config.ConfigurationUrl);
return CommandResults.Success;
}
