static int Main(string[] args)
{
try
{
var options = new Options();
if (!ParseOptions(args, options))
return 1;
//TODO stop mixing Console.Write and logger
// Context: Console.Write is used for pretty output, ILogger for the internal stuff.
var logger = new LoggerConfiguration()
.WriteTo.Console(outputTemplate: "> {Level}: {Message}{NewLine}{Exception}")
.CreateLogger();
var optionTable = new TextTable();
optionTable.Add(Strings.OptionDryRun, options.DryRun ? Strings.OptionDryRunYes
: Strings.OptionDryRunNo);
optionTable.Add(Strings.OptionMirror, options.Mirror ? Strings.OptionYes
: Strings.OptionNo);
optionTable.Add(Strings.OptionVerbose, options.Verbose ? Strings.OptionYes
: Strings.OptionNo);
Console.WriteLine(Strings.Options);
Console.Write(optionTable.ToString());
Console.WriteLine();
try
{
Console.WriteLine(Strings.StatusParsingDefinition);
var definedTopology = new XmlTopologyReader().Parse(options.TopologyFilename);
if (!definedTopology.VerifyNamespaces(logger, definedTopology.Meta.NamespacePrefix))
return 1;
Console.WriteLine(Strings.StatusConnectingRabbitMQ, options.ConnectionParams.Host, options.ConnectionParams.VirtualHost);
var client = Connect(options.ConnectionParams);
var virtualHost = client.GetVhost(options.ConnectionParams.VirtualHost);
Console.WriteLine(Strings.StatusReadingTopology);
var existingTopology = new RabbitMQTopologyReader().Parse(client, virtualHost)
.FilterByNamespace(definedTopology.Meta.NamespacePrefix);
var writer = (options.DryRun ? (ITopologyWriter)new NullTopologyWriter()
: new RabbitMQTopologyWriter(client, virtualHost));
var comparator = new TopologyComparator(logger, writer)
{
AllowDelete = options.Mirror,
AllowRecreate = options.Mirror,
AllowUnbind = options.Mirror
};
Console.WriteLine(Strings.StatusComparing);
comparator.Compare(existingTopology, definedTopology);
Console.WriteLine();
Console.WriteLine(Strings.StatusDone);
return 0;
}
catch(Exception e)
{
Console.WriteLine();
Console.WriteLine(Strings.StatusError, e.Message);
return 1;
}
}
finally
{
if (Debugger.IsAttached)
{
Console.WriteLine();
Console.WriteLine(Strings.StatusWaitForKey);
Console.ReadLine();
}
}
}
private void TestCompare(IReadOnlyCollection<string> expectedActions, string prefix = null)
{
var writer = new MockTopologyWriter();
var comparator = new TopologyComparator(new LoggerConfiguration().CreateLogger(), writer)
{
AllowDelete = true,
AllowRecreate = true,
AllowUnbind = true
};
comparator.Compare(
existingTopology.FilterByNamespace(prefix),
definedTopology);
var hasUnexpectedActions = false;
var results = new StringBuilder();
results.AppendLine("Expected actions not executed:");
foreach (var line in expectedActions.Except(writer.Actions))
{
results.AppendLine(" " + line);
hasUnexpectedActions = true;
}
results.AppendLine("Executed action not expected:");
foreach (var line in writer.Actions.Except(expectedActions))
{
results.AppendLine(" " + line);
hasUnexpectedActions = true;
}
if (hasUnexpectedActions)
{
results.AppendLine("Full log:");
foreach (var line in writer.Actions)
results.AppendLine(" " + line);
Assert.Fail(results.ToString());
}
}