in provider/lib/utils.js [515:527]
function initActiveHost(activeHost) {
var method = 'initActiveHost';
if (activeHost === null) {
//initialize redis key with active host
logger.info(method, 'redis hset', self.redisKey, self.redisField, self.activeHost);
return redisClient.hsetAsync(self.redisKey, self.redisField, self.activeHost);
}
else {
self.activeHost = activeHost;
return Promise.resolve();
}
}