protected override async Task <int> Run(MarvelMicroserviceConfig config)
{
var launchOptionsResult = await _launchOptions.ProcessOptions();
if (!launchOptionsResult.AreValid)
{
return(1);
}
var exitCode = await LaunchCommand.Launch(config, launchOptionsResult.Value);
if (exitCode != 0)
{
return(exitCode);
}
var containerName = config.DevContainerName;
var container = await DockerCommands.GetContainerByName(containerName);
if (container?.IsRunning != true)
{
Output.Info($"Could not find running container {containerName}");
return(1);
}
// Call basic command to see if we're executing in a TTY
var ttyTest = await CommandUtilities.RunCommandAsync("docker", $"exec -it {container.ContainerId} /bin/bash -c echo hi", throwOnErrorExitCode : false);
var isTty = true;
if (ttyTest.ExitCode != 0)
{
var stdErr = string.Join("\n", ttyTest.StandardError);
if (!stdErr.Contains("input device is not a TTY"))
{
throw new Exception($"Unexpected exception encounterd checking for TTY StandardError={stdErr}");
}
isTty = false;
}
Output.Info($"Attaching to container {containerName}");
// Use TTY option when available so that Ctrl+C in the terminal kills the process inside the container as well. Option cannot be used during integration test runs.
var ttyArg = isTty ? "t" : "";
exitCode = CommandUtilities.ExecuteCommand("docker", $"exec -i{ttyArg} {container.ContainerId} /bin/bash {ContainerPaths.DockerTaskScriptPath} watchAndRun");
return(exitCode);
}
protected override async Task <int> Run(MarvelMicroserviceConfig config)
{
var exitCode = 0;
var containerName = config.DevContainerName;
var container = await DockerCommands.GetContainerByName(containerName);
if (container?.IsRunning != true)
{
Output.Info($"Could not find running container {containerName}");
return(1);
}
Output.Info($"Attaching to container {containerName}");
exitCode = CommandUtilities.ExecuteCommand("docker", $"exec -i {container.ContainerId} /bin/bash {ContainerPaths.DockerTaskScriptPath} watchAndDebug");
return(exitCode);
}
private static async Task <int> EnsureRegistratorContainerIsRunning(string eurekaServerUrl, string ipAddress)
{
var registratorImageUri = await EcrResources.RegistratorLatestImageUrl.EnsureImageIsPulled();
if (!registratorImageUri.WasSuccessful)
{
return(1);
}
var registratorContainerName = "registrator-marvel";
// Build arguments list for `docker create` call so we can hash them and ensure an existing container is compatible. Argument pairs are combined into one argument for readability.
var dockerCreateArgs = new List <string>
{
"--net=host",
"--volume=/var/run/docker.sock:/tmp/docker.sock"
};
var createContainerResult = await DockerCommands.GetOrCreateContainerWithName(
registratorContainerName,
registratorImageUri.Value,
dockerCreateArgs,
$"-ttl 30 -ttl-refresh 15 -ip {ipAddress} -require-label {FixEurekaServerUrlScheme(eurekaServerUrl ?? DefaultEurekaServerUrl)}");
var container = createContainerResult.Container;
var isNewContainer = createContainerResult.IsNewContainer;
if (!container.IsRunning)
{
Output.Info($"Starting container {registratorContainerName}");
var result = await CommandUtilities.RunCommandAsync("docker", $"start {container.ContainerId}", throwOnErrorExitCode : false);
if (result.ExitCode != 0)
{
var stdErr = string.Join("\n", result.StandardError);
// Message is `Bind for 0.0.0.0:5000 failed: port is already allocated`. trimming the port portion in case the port changes.
// if (stdErr.Contains("failed: port is already allocated"))
// {
// Output.Info("Webapp port is already in use. Attempting to stop other container using port.");
// // Find other containers using a partial match on suffix. This corresponds to the naming scheme defined in MarvelMicroserviceConfig.
// var containers = await DockerCommands.GetContainersByName("marvel-dev");
// var otherContainer = containers.FirstOrDefault(c => c.IsRunning);
// if (otherContainer == null)
// {
// Output.Error("Unable to find running container using same port.");
// Output.Error($"Failed to start container {containerName}. StandardError={stdErr}");
// return 1;
// }
// Output.Info($"Stopping container {otherContainer.ContainerId}");
// await DockerCommands.StopContainer(otherContainer);
// Output.Info($"Starting container {containerName} again");
// var restartResult = await ProcessEx.RunAsync("docker", $"start {container.ContainerId}");
// if (restartResult.ExitCode != 0)
// {
// Output.Error($"Failed to restart container {containerName}. StandardError={stdErr}");
// return result.ExitCode;
// }
// }
// else
// {
Output.Error($"Failed to start container {registratorContainerName}. StandardError={stdErr}");
return(result.ExitCode);
// }
}
// Ensure the container doesn't immediately exit.
// TODO Bumped this up for registrator specifically to ensure eureka host is valid. Might want to verify by scanning logs
// that this did in fact start up properly.
Thread.Sleep(500);
var runningContainer = await DockerCommands.GetContainerByName(registratorContainerName);
if (!runningContainer.IsRunning)
{
Output.Error($"Container {registratorContainerName} stopped unexpectedly. Check container logs by running {DockerCommands.GetLogsForContainerCommand(runningContainer)}.");
return(1);
}
}
// TODO - ensure registrator is ready? pause?
Output.Info($"Container {registratorContainerName} is running.");
return(0);
}
public static async Task <int> Launch(MarvelMicroserviceConfig config, LaunchOptions launchOptions)
{
var registratorRunResultTask = EnsureRegistratorContainerIsRunning(launchOptions.EurekaServer, launchOptions.LocalIpAddress);
var buildImageUriTask = EcrResources.DotnetMicroserviceBuildImageUrl.EnsureImageIsPulled();
var registratorRunResult = await registratorRunResultTask;
if (registratorRunResult != 0)
{
return(registratorRunResult);
}
var buildImageUri = await buildImageUriTask;
if (!buildImageUri.WasSuccessful)
{
return(1);
}
// # TODO include a hash of the tools version in the container name to ensure containers are recreated after tools update(?)
var containerName = config.DevContainerName;
var dockerTaskScriptPath = ContainerPaths.DockerTaskScriptPath;
// Build arguments list for `docker create` call so we can hash them and ensure an existing container is compatible. Argument pairs are combined into one argument for readability.
var hostname = launchOptions.Host ?? await NetworkUtility.GetFriendlyHostName();
var labelArgs = LabelUtilities.FormatLabelsAsArguments(await new LabelBuilder(config).GetLabelsForLocalDev(hostname));
var dockerCreateArgs = labelArgs.Concat(new List <string>
{
"-p 5000:5000",
"--dns-search=agilesports.local",
$"-e \"{ProjectNameEnvVariable}={config.ProjectName}\"",
$"-e \"{SolutionNameEnvVariable}={config.SolutionName}\"",
$"-e \"{WebappDirEnvVariable}={ContainerPaths.GetWebappDirectory(config)}\"",
$"-e \"{BrowserAppDirEnvVariable}={ContainerPaths.GetBrowserAppDirectory(config)}\"",
// This could probably live in the image
$"-e ASPNETCORE_ENVIRONMENT=Development",
$"-v {config.BaseDirectory}:{ContainerPaths.MountedSourceDirectory}",
});
if (launchOptions.UseSharedCache)
{
dockerCreateArgs = dockerCreateArgs.Concat(GetCacheVolumeArgs());
}
var createContainerResult = await DockerCommands.GetOrCreateContainerWithName(
containerName,
buildImageUri.Value,
dockerCreateArgs.ToList(),
$"/bin/bash {dockerTaskScriptPath} hang");
var container = createContainerResult.Container;
var isNewContainer = createContainerResult.IsNewContainer;
if (!container.IsRunning)
{
Output.Info($"Starting container {containerName}");
var result = await CommandUtilities.RunCommandAsync("docker", $"start {container.ContainerId}", throwOnErrorExitCode : false);
// Output.Info("StdErr=" + string.Join("\n", result.StandardError));
// Output.Info("StdOut=" + string.Join("\n", result.StandardOutput));
if (result.ExitCode != 0)
{
var stdErr = string.Join("\n", result.StandardError);
// Message is `Bind for 0.0.0.0:5000 failed: port is already allocated`. trimming the port portion in case the port changes.
if (stdErr.Contains("failed: port is already allocated"))
{
Output.Info("Webapp port is already in use. Attempting to stop other container using port.");
// Find other containers using a partial match on suffix. This corresponds to the naming scheme defined in MarvelMicroserviceConfig.
var containers = await DockerCommands.GetContainersByName("marvel-dev");
var otherContainer = containers.FirstOrDefault(c => c.IsRunning);
if (otherContainer == null)
{
Output.Error("Unable to find running container using same port.");
Output.Error($"Failed to start container {containerName}. StandardError={stdErr}");
return(1);
}
Output.Info($"Stopping container {otherContainer.ContainerId}");
await DockerCommands.StopContainer(otherContainer);
Output.Info($"Starting container {containerName} again");
var restartResult = await ProcessEx.RunAsync("docker", $"start {container.ContainerId}");
if (restartResult.ExitCode != 0)
{
Output.Error($"Failed to restart container {containerName}. StandardError={stdErr}");
return(result.ExitCode);
}
}
else
{
Output.Error($"Failed to start container {containerName}. StandardError={stdErr}");
return(result.ExitCode);
}
}
// TODO only perform this check after failed `docker exec` commands, for better reporting?
// Ensure the container doesn't immediately exit.
Thread.Sleep(10);
var runningContainer = await DockerCommands.GetContainerByName(containerName);
if (!runningContainer.IsRunning)
{
Output.Error($"Container {containerName} stopped unexpectedly. Check container logs.");
return(1);
}
}
if (isNewContainer)
{
Output.Info($"Attaching to container {containerName} to run first time launch command on new container");
var code = CommandUtilities.ExecuteCommand("docker", $"exec -i {container.ContainerId} /bin/bash {dockerTaskScriptPath} firstTimeLaunch");
if (code != 0)
{
Output.Info($"First time startup command failed. Removing container.");
await DockerCommands.RemoveContainer(container);
return(code);
}
}
else
{
Output.Info($"Attaching to container {containerName} to run relaunch command on existing container");
var code = CommandUtilities.ExecuteCommand("docker", $"exec -i {container.ContainerId} /bin/bash {dockerTaskScriptPath} relaunch");
if (code != 0)
{
return(code);
}
}
Output.Info($"Container {containerName} launched and ready to run");
Output.Info($"Using hostname: {hostname}");
Output.Info($"If debugging from VS Code, switch to the Debug Console (Cmd+Shift+Y / Ctrl+Shift+Y) for app and watch process logs");
return(0);
}