public IList <ExtractorConfiguration> getConfigs()
{
_report.addDebug("The orchestrator is attempting to obtain it's configuration data");
if (_configurations != null &&
DateTime.Now.Subtract(_lastFetchedDbConfigs).TotalMinutes < 5) // don't let this happen too often - this smells but need to refactor out some of the spaghetti...
{
_report.addDebug("Tried fetching configs from database twice in < 5 minutes - using saved configs");
return(_configurations);
}
try
{
_configurations = pruneConfigByCRON(_sqlDao.getActiveExtractorConfigurations());
_lastFetchedDbConfigs = DateTime.Now;
// compute the next run time based off config and sleep configuration param
if (_configurations != null && _configurations.Count > 0)
{
try
{
_serviceState.NextRun = CrontabSchedule.Parse(_configurations[0].CRON).GetNextOccurrence(DateTime.Now.AddMinutes(_cronSchedule));
}
catch (Exception exc)
{
_report.addError("Problem computing next run time: " + exc.Message);
}
}
// get the set of orchestrator host names so we can provide this information to the extractors for failover
IList <string> orchestrators = _sqlDao.getOrchestrators();
// only add an orchestrator host name if it is not the current host name
foreach (ExtractorConfiguration config in _configurations)
{
config.AllOrchestrators = new List <string>();
foreach (string s in orchestrators)
{
if (!String.Equals(s, _myHostName, StringComparison.CurrentCultureIgnoreCase))
{
config.AllOrchestrators.Add(s);
}
}
}
adjustConfigs(_configurations);
_activeJobsAtStartUp = _sqlDao.getLockedFiles();
if (_activeJobsAtStartUp == null) // can be empty but not null - something probably went wrong
{
throw new ApplicationException("The list of active jobs appears to be malformed");
}
Log.LOG("The SQL database reported " + _activeJobsAtStartUp.Count + " active jobs at iteration");
_report.addInfo("The SQL database reported " + _activeJobsAtStartUp.Count + " active jobs at iteration");
_report.addDebug("The SQL database reported " + _activeJobsAtStartUp.Count + " active jobs to the orchestrator on iteration");
}
catch (Exception exc)
{
Log.LOG("Unable to start orchestrator because no configurations were found: " + exc.ToString());
_report.addError("Unable to start orchestrator because no configurations were found", exc);
_report.HasError = "T";
throw exc;
}
_report.addDebug("The orchestrator service found " + _configurations.Count + " extraction configurations");
return(_configurations);
}
