public static SimulationConfig CreateConfig(IConnection connection, string vHost, string env, string exchange, string referenceFile = null)
{
var fileName = Utils.GetSimulationFileName(env, exchange);
var envConfig = Utils.LoadJson <SimulationConfig>(fileName, silent: true) ?? new SimulationConfig();
var exists = envConfig.ExchangeName != null;
if (exists)
{
var overWrite = Utils.ReadFromConsole($"Environment for '{exchange}' already exists. Overwrite (Y)es (N)o?", "N", new[] { "Y", "N" });
if (overWrite.ToLower() == "n")
{
throw new Exception("User cancelled.");
}
envConfig = new SimulationConfig();
}
if (referenceFile != null)
{
return(UpdateByReference(vHost, exchange, referenceFile));
}
Console.WriteLine($"Creating environment for '{exchange}'.");
try
{
var defaultVal = $"{exchange}-In";
envConfig.ExchangeName = Utils.ReadFromConsole("Exchangename", defaultVal);
bool createNew;
var consumerList = new List <ConsumerElement>();
var routerList = new List <RouterElement>();
do
{
var actorType = Utils.ReadFromConsole("ActorType: (C)onsumer, (R)outer", null, new[] { "C", "R" });
if (actorType.ToUpper() == "C")
{
var consumer = new ConsumerElement
{
Executable = "simulation",
QueueName = Utils.ReadFromConsole("Bind queue (will be postfixed -Queue)"),
RoutingKey = Utils.ReadFromConsole("... with routingkey. PlaceHolder * and # are allowed."),
Message = Utils.ReadFromConsole("Message", "")
};
consumerList.Add(consumer);
}
else if (actorType.ToUpper() == "R")
{
var router = new RouterElement
{
Executable = "simulation",
QueueName = Utils.ReadFromConsole("Bind queue (will be postfixed -Queue)"),
RoutingKey = Utils.ReadFromConsole("... with routingkey. PlaceHolder * and # are allowed."),
ExchangeName = Utils.ReadFromConsole("Route to exchange", $"{exchange}-Out"),
To = Utils.ReadFromConsole("...with routingkey. PlaceHolder {origin} and * are allowed.")
};
routerList.Add(router);
}
createNew = Utils.ReadFromConsole($"Create another actor? (Y)es (N)o?", "Y", new[] { "Y", "N" }).ToLower() == "y";
}while (createNew);
envConfig.Consumer = consumerList.ToArray();
envConfig.Router = routerList.ToArray();
}
catch (Exception)
{
return(null);
}
return(envConfig);
}
private static SimulationConfig UpdateByReference(string vHost, string exchange, string referenceFile)
{
var envConfig = new SimulationConfig();
var fullFile = Utils.GetExportFile(referenceFile);
Console.WriteLine($"Updating environment for '{exchange}' from '{fullFile}'.");
var refConfigAll = Utils.LoadJson <ReferenceConfig>(fullFile);
if (refConfigAll == null)
{
return(null);
}
Console.WriteLine("Configuring bindings for exchange...");
var exchangeName = Utils.ReadFromConsole("ExchangeName", $"{exchange}-In");
var consumerList = new List <ConsumerElement>();
var routerList = new List <RouterElement>();
var ignoreList = new List <PublishElement>();
var deleteList = new List <PublishElement>();
var unbindList = new List <PublishElement>();
var virtualHostInConfig = vHost == "/" ? null : vHost;
var bindings = refConfigAll.Bindings.Where(b =>
(b.VHost == virtualHostInConfig || b.VHost == vHost) && b.DestinationType?.ToLower() == "queue" && b.ExchangeName == exchangeName)
.OrderBy(b => b.RoutingKey);
string lastRoutingKey = null;
string lastExchange = null;
foreach (var binding in bindings)
{
Console.WriteLine($"Define ActorType for queue '{binding.QueueName}' and routing key '{binding.RoutingKey}'");
var actorType = Utils.ReadFromConsole("ActorType: (C)onsumer, (R)outer, (I)gnore, (D)elete, (U)nbind",
null, new[] { "C", "R", "I", "D", "U" });
var publishConfig = new PublishElement
{
QueueName = binding.QueueName,
RoutingKey = binding.RoutingKey
};
if (actorType.ToUpper() == "C")
{
var consumer = new ConsumerElement
{
Executable = "simulation",
QueueName = binding.QueueName,
RoutingKey = binding.RoutingKey,
Message = Utils.ReadFromConsole("Message. (Describes the action taken.)", "")
};
consumerList.Add(consumer);
}
else if (actorType.ToUpper() == "R")
{
var router = new RouterElement
{
Executable = "simulation",
QueueName = binding.QueueName,
RoutingKey = binding.RoutingKey,
Message = Utils.ReadFromConsole("Message. (Describes the action taken.)", ""),
ExchangeName = Utils.ReadFromConsole("Route to exchange", lastExchange ?? $"{exchange}-Out"),
To = Utils.ReadFromConsole("...with routingkey. (Placeholder * is allowed.)", lastRoutingKey)
};
lastRoutingKey = router.To;
lastExchange = router.ExchangeName;
routerList.Add(router);
}
else if (actorType.ToUpper() == "I")
{
ignoreList.Add(publishConfig);
}
else if (actorType.ToUpper() == "D")
{
deleteList.Add(publishConfig);
}
else if (actorType.ToUpper() == "U")
{
unbindList.Add(publishConfig);
}
}
envConfig.ExchangeName = exchangeName;
envConfig.Consumer = consumerList.ToArray();
envConfig.Router = routerList.ToArray();
envConfig.Ignored = ignoreList.ToArray();
envConfig.Deleted = deleteList.ToArray();
envConfig.Unbind = unbindList.ToArray();
return(envConfig);
}
