Allow environment variables for Tapeti.Cmd connection parameters
Output connection parameters and their sources to the console
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837f48ebb8
commit
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@ -17,6 +17,9 @@ namespace Tapeti.Cmd
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.Where(t => t.GetCustomAttribute<ExecutableVerbAttribute>() != null)
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.ToArray();
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using var consoleWrapper = new ConsoleWrapper();
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// ReSharper disable AccessToDisposedClosure
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CommandLine.Parser.Default.ParseArguments(args, verbTypes.ToArray())
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.WithParsed(o =>
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{
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@ -28,33 +31,33 @@ namespace Tapeti.Cmd
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// Should have been validated by the ExecutableVerbAttribute
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Debug.Assert(executer != null, nameof(executer) + " != null");
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using var consoleWrapper = new ConsoleWrapper();
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executer.Execute(consoleWrapper);
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exitCode = 0;
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}
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catch (Exception e)
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{
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Console.WriteLine(e.Message);
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DebugConfirmClose();
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using var consoleWriter = consoleWrapper.GetPermanentWriter();
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consoleWriter.WriteLine(e.Message);
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DebugConfirmClose(consoleWrapper);
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}
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})
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.WithNotParsed(_ =>
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{
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DebugConfirmClose();
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DebugConfirmClose(consoleWrapper);
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});
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// ReSharper restore AccessToDisposedClosure
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return exitCode;
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}
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private static void DebugConfirmClose()
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private static void DebugConfirmClose(IConsole console)
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{
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if (!Debugger.IsAttached)
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return;
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Console.WriteLine("Press any Enter key to continue...");
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Console.ReadLine();
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using var consoleWriter = console.GetPermanentWriter();
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consoleWriter.Confirm("Press any key to continue...");
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}
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}
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}
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@ -1,22 +1,93 @@
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using CommandLine;
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using System;
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using CommandLine;
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using RabbitMQ.Client;
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using Tapeti.Cmd.ConsoleHelper;
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namespace Tapeti.Cmd.Verbs
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{
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public class BaseConnectionOptions
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{
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[Option('h', "host", HelpText = "Hostname of the RabbitMQ server.", Default = "localhost")]
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[Option('h', "host", HelpText = "(Default: localhost) Hostname of the RabbitMQ server. Can also be set using the TAPETI_HOST environment variable.")]
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public string Host { get; set; }
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[Option("port", HelpText = "AMQP port of the RabbitMQ server.", Default = 5672)]
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public int Port { get; set; }
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[Option("port", HelpText = "(Default: 5672) AMQP port of the RabbitMQ server. Can also be set using the TAPETI_PORT environment variable.")]
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public int? Port { get; set; }
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[Option('v', "virtualhost", HelpText = "Virtual host used for the RabbitMQ connection.", Default = "/")]
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[Option('v', "virtualhost", HelpText = "(Default: /) Virtual host used for the RabbitMQ connection. Can also be set using the TAPETI_VIRTUALHOST environment variable.")]
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public string VirtualHost { get; set; }
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[Option('u', "username", HelpText = "Username used to connect to the RabbitMQ server.", Default = "guest")]
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[Option('u', "username", HelpText = "(Default: guest) Username used to connect to the RabbitMQ server. Can also be set using the TAPETI_USERNAME environment variable.")]
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public string Username { get; set; }
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[Option('p', "password", HelpText = "Password used to connect to the RabbitMQ server.", Default = "guest")]
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[Option('p', "password", HelpText = "(Default: guest) Password used to connect to the RabbitMQ server. Can also be set using the TAPETI_PASSWORD environment variable.")]
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public string Password { get; set; }
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public ConnectionFactory CreateConnectionFactory(IConsole console)
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{
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var consoleWriter = console.GetPermanentWriter();
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consoleWriter.WriteLine("Using connection parameters:");
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var factory = new ConnectionFactory
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{
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HostName = GetOptionOrEnvironmentValue(consoleWriter, " Host : ", Host, "TAPETI_HOST", "localhost"),
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Port = GetOptionOrEnvironmentValue(consoleWriter, " Port : ", Port, "TAPETI_PORT", 5672),
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VirtualHost = GetOptionOrEnvironmentValue(consoleWriter, " Virtual host : ", VirtualHost, "TAPETI_VIRTUALHOST", "/"),
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UserName = GetOptionOrEnvironmentValue(consoleWriter, " Username : ", Username, "TAPETI_USERNAME", "guest"),
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Password = GetOptionOrEnvironmentValue(consoleWriter, " Password : ", Password, "TAPETI_PASSWORD", "guest", true)
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};
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consoleWriter.WriteLine("");
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return factory;
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}
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private static string GetOptionOrEnvironmentValue(IConsoleWriter consoleWriter, string consoleDisplayName, string optionValue, string environmentName, string defaultValue, bool hideValue = false)
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{
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string GetDisplayValue(string value)
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{
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return hideValue
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? "<hidden>"
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: value;
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}
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if (!string.IsNullOrEmpty(optionValue))
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{
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consoleWriter.WriteLine($"{consoleDisplayName}{GetDisplayValue(optionValue)} (from command-line)");
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return optionValue;
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}
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var environmentValue = Environment.GetEnvironmentVariable(environmentName);
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if (!string.IsNullOrEmpty(environmentValue))
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{
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consoleWriter.WriteLine($"{consoleDisplayName}{GetDisplayValue(environmentValue)} (from environment variable)");
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return environmentValue;
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}
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consoleWriter.WriteLine($"{consoleDisplayName}{GetDisplayValue(defaultValue)} (default)");
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return defaultValue;
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}
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private static int GetOptionOrEnvironmentValue(IConsoleWriter consoleWriter, string consoleDisplayName, int? optionValue, string environmentName, int defaultValue)
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{
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if (optionValue.HasValue)
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{
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consoleWriter.WriteLine($"{consoleDisplayName}{optionValue} (from command-line)");
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return optionValue.Value;
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}
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var environmentValue = Environment.GetEnvironmentVariable(environmentName);
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if (!string.IsNullOrEmpty(environmentValue) && int.TryParse(environmentValue, out var environmentIntValue))
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{
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consoleWriter.WriteLine($"{consoleDisplayName}{environmentIntValue} (from environment variable)");
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return environmentIntValue;
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}
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consoleWriter.WriteLine($"{consoleDisplayName}{defaultValue} (default)");
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return defaultValue;
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}
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}
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}
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@ -35,15 +35,7 @@ namespace Tapeti.Cmd.Verbs
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var consoleWriter = console.GetPermanentWriter();
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var bindings = BindingParser.Parse(options.Bindings);
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var factory = new ConnectionFactory
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{
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HostName = options.Host,
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Port = options.Port,
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VirtualHost = options.VirtualHost,
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UserName = options.Username,
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Password = options.Password
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};
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var factory = options.CreateConnectionFactory(console);
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using var connection = factory.CreateConnection();
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using var channel = connection.CreateModel();
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@ -37,15 +37,7 @@ namespace Tapeti.Cmd.Verbs
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// Parse early to fail early
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var bindings = BindingParser.Parse(options.Bindings);
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var factory = new ConnectionFactory
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{
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HostName = options.Host,
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Port = options.Port,
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VirtualHost = options.VirtualHost,
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UserName = options.Username,
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Password = options.Password
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};
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var factory = options.CreateConnectionFactory(console);
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using var connection = factory.CreateConnection();
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using var channel = connection.CreateModel();
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@ -40,15 +40,7 @@ namespace Tapeti.Cmd.Verbs
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public void Execute(IConsole console)
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{
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var consoleWriter = console.GetPermanentWriter();
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var factory = new ConnectionFactory
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{
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HostName = options.Host,
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Port = options.Port,
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VirtualHost = options.VirtualHost,
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UserName = options.Username,
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Password = options.Password
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};
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var factory = options.CreateConnectionFactory(console);
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using var messageSerializer = GetMessageSerializer(options);
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using var connection = factory.CreateConnection();
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using var channel = connection.CreateModel();
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@ -54,16 +54,7 @@ namespace Tapeti.Cmd.Verbs
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public void Execute(IConsole console)
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{
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var consoleWriter = console.GetPermanentWriter();
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var factory = new ConnectionFactory
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{
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HostName = options.Host,
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Port = options.Port,
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VirtualHost = options.VirtualHost,
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UserName = options.Username,
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Password = options.Password
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};
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using var messageSerializer = GetMessageSerializer(options);
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var factory = options.CreateConnectionFactory(console); using var messageSerializer = GetMessageSerializer(options);
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using var connection = factory.CreateConnection();
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using var channel = connection.CreateModel();
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var rateLimiter = RateLimiterFactory.Create(console, options.MaxRate, options.BatchSize, options.BatchPauseTime);
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@ -37,16 +37,7 @@ namespace Tapeti.Cmd.Verbs
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return;
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}
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var factory = new ConnectionFactory
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{
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HostName = options.Host,
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Port = options.Port,
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VirtualHost = options.VirtualHost,
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UserName = options.Username,
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Password = options.Password
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};
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using var connection = factory.CreateConnection();
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var factory = options.CreateConnectionFactory(console); using var connection = factory.CreateConnection();
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using var channel = connection.CreateModel();
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var messageCount = channel.QueuePurge(options.QueueName);
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@ -41,15 +41,7 @@ namespace Tapeti.Cmd.Verbs
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return;
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}
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var factory = new ConnectionFactory
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{
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HostName = options.Host,
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Port = options.Port,
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VirtualHost = options.VirtualHost,
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UserName = options.Username,
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Password = options.Password
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};
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var factory = options.CreateConnectionFactory(console);
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uint messageCount;
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try
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public void Execute(IConsole console)
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{
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var sourceFactory = new ConnectionFactory
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{
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HostName = options.Host,
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Port = options.Port,
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VirtualHost = options.VirtualHost,
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UserName = options.Username,
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Password = options.Password
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};
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var sourceFactory = options.CreateConnectionFactory(console);
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using var sourceConnection = sourceFactory.CreateConnection();
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using var sourceChannel = sourceConnection.CreateModel();
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@ -78,7 +70,7 @@ namespace Tapeti.Cmd.Verbs
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var targetFactory = new ConnectionFactory
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{
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HostName = !string.IsNullOrEmpty(options.TargetHost) ? options.TargetHost : options.Host,
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Port = options.TargetPort ?? options.Port,
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Port = options.TargetPort ?? options.Port ?? 5672,
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VirtualHost = !string.IsNullOrEmpty(options.TargetVirtualHost) ? options.TargetVirtualHost : options.VirtualHost,
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UserName = !string.IsNullOrEmpty(options.TargetUsername) ? options.TargetUsername : options.Username,
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Password = !string.IsNullOrEmpty(options.TargetPassword) ? options.TargetPassword : options.Password
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@ -35,15 +35,7 @@ namespace Tapeti.Cmd.Verbs
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var consoleWriter = console.GetPermanentWriter();
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var bindings = BindingParser.Parse(options.Bindings);
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var factory = new ConnectionFactory
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{
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HostName = options.Host,
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Port = options.Port,
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VirtualHost = options.VirtualHost,
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UserName = options.Username,
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Password = options.Password
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};
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var factory = options.CreateConnectionFactory(console);
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using var connection = factory.CreateConnection();
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using var channel = connection.CreateModel();
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