public async Task <int> LocalRunAsync(CommandSettings command, CancellationToken token)
{
Trace.Info(nameof(LocalRunAsync));
// Warn preview.
_term.WriteLine("This command is currently in preview. The interface and behavior will change in a future version.");
if (!command.Unattended)
{
_term.WriteLine("Press Enter to continue.");
_term.ReadLine();
}
HostContext.RunMode = RunMode.Local;
// Resolve the YAML file path.
string ymlFile = command.GetYml();
if (string.IsNullOrEmpty(ymlFile))
{
string[] ymlFiles =
Directory.GetFiles(Directory.GetCurrentDirectory())
.Where((string filePath) =>
{
return(filePath.EndsWith(".yml", IOUtil.FilePathStringComparison));
})
.ToArray();
if (ymlFiles.Length > 1)
{
throw new Exception($"More than one .yml file exists in the current directory. Specify which file to use via the --'{Constants.Agent.CommandLine.Args.Yml}' command line argument.");
}
ymlFile = ymlFiles.FirstOrDefault();
}
if (string.IsNullOrEmpty(ymlFile))
{
throw new Exception($"Unable to find a .yml file in the current directory. Specify which file to use via the --'{Constants.Agent.CommandLine.Args.Yml}' command line argument.");
}
// Load the YAML file.
var parseOptions = new ParseOptions
{
MaxFiles = 10,
MustacheEvaluationMaxResultLength = 512 * 1024, // 512k string length
MustacheEvaluationTimeout = TimeSpan.FromSeconds(10),
MustacheMaxDepth = 5,
};
var pipelineParser = new PipelineParser(new PipelineTraceWriter(), new PipelineFileProvider(), parseOptions);
if (command.WhatIf)
{
pipelineParser.DeserializeAndSerialize(
defaultRoot: Directory.GetCurrentDirectory(),
path: ymlFile,
mustacheContext: null,
cancellationToken: HostContext.AgentShutdownToken);
return(Constants.Agent.ReturnCode.Success);
}
YamlContracts.Process process = pipelineParser.LoadInternal(
defaultRoot: Directory.GetCurrentDirectory(),
path: ymlFile,
mustacheContext: null,
cancellationToken: HostContext.AgentShutdownToken);
ArgUtil.NotNull(process, nameof(process));
// Verify the current directory is the root of a git repo.
string repoDirectory = Directory.GetCurrentDirectory();
if (!Directory.Exists(Path.Combine(repoDirectory, ".git")))
{
throw new Exception("Unable to run the build locally. The command must be executed from the root directory of a local git repository.");
}
// Verify at least one phase was found.
if (process.Phases == null || process.Phases.Count == 0)
{
throw new Exception($"No phases or steps were discovered from the file: '{ymlFile}'");
}
// Filter the phases.
string phaseName = command.GetPhase();
if (!string.IsNullOrEmpty(phaseName))
{
process.Phases = process.Phases
.Cast <YamlContracts.Phase>()
.Where(x => string.Equals(x.Name, phaseName, StringComparison.OrdinalIgnoreCase))
.Cast <YamlContracts.IPhase>()
.ToList();
if (process.Phases.Count == 0)
{
throw new Exception($"Phase '{phaseName}' not found.");
}
}
// Verify a phase was specified if more than one phase was found.
if (process.Phases.Count > 1)
{
throw new Exception($"More than one phase was discovered. Use the --{Constants.Agent.CommandLine.Args.Phase} argument to specify a phase.");
}
// Get the matrix.
var phase = process.Phases[0] as YamlContracts.Phase;
var queueTarget = phase.Target as QueueTarget;
// Filter to a specific matrix.
string matrixName = command.GetMatrix();
if (!string.IsNullOrEmpty(matrixName))
{
if (queueTarget?.Matrix != null)
{
queueTarget.Matrix = queueTarget.Matrix.Keys
.Where(x => string.Equals(x, matrixName, StringComparison.OrdinalIgnoreCase))
.ToDictionary(keySelector: x => x, elementSelector: x => queueTarget.Matrix[x]);
}
if (queueTarget?.Matrix == null || queueTarget.Matrix.Count == 0)
{
throw new Exception($"Job configuration matrix '{matrixName}' not found.");
}
}
// Verify a matrix was specified if more than one matrix was found.
if (queueTarget?.Matrix != null && queueTarget.Matrix.Count > 1)
{
throw new Exception($"More than one job configuration matrix was discovered. Use the --{Constants.Agent.CommandLine.Args.Matrix} argument to specify a matrix.");
}
// Get the URL - required if missing tasks.
string url = command.GetUrl(suppressPromptIfEmpty: true);
if (string.IsNullOrEmpty(url))
{
if (!TestAllTasksCached(process, token))
{
url = command.GetUrl(suppressPromptIfEmpty: false);
}
}
if (!string.IsNullOrEmpty(url))
{
// Initialize and store the HTTP client.
var credentialManager = HostContext.GetService <ICredentialManager>();
// Get the auth type. On premise defaults to negotiate (Kerberos with fallback to NTLM).
// Hosted defaults to PAT authentication.
string defaultAuthType = UrlUtil.IsHosted(url) ? Constants.Configuration.PAT :
(Constants.Agent.Platform == Constants.OSPlatform.Windows ? Constants.Configuration.Integrated : Constants.Configuration.Negotiate);
string authType = command.GetAuth(defaultValue: defaultAuthType);
ICredentialProvider provider = credentialManager.GetCredentialProvider(authType);
provider.EnsureCredential(HostContext, command, url);
_taskStore.HttpClient = new TaskAgentHttpClient(new Uri(url), provider.GetVssCredentials(HostContext));
}
var configStore = HostContext.GetService <IConfigurationStore>();
AgentSettings settings = configStore.GetSettings();
// Create job message.
JobInfo job = (await ConvertToJobMessagesAsync(process, repoDirectory, token)).Single();
IJobDispatcher jobDispatcher = null;
try
{
jobDispatcher = HostContext.CreateService <IJobDispatcher>();
job.RequestMessage.Environment.Variables[Constants.Variables.Agent.RunMode] = RunMode.Local.ToString();
jobDispatcher.Run(job.RequestMessage);
Task jobDispatch = jobDispatcher.WaitAsync(token);
if (!Task.WaitAll(new[] { jobDispatch }, job.Timeout))
{
jobDispatcher.Cancel(job.CancelMessage);
// Finish waiting on the job dispatch task. The call to jobDispatcher.WaitAsync dequeues
// the job dispatch task. In the cancel flow, we need to continue awaiting the task instance
// (queue is now empty).
await jobDispatch;
}
// Translate the job result to an agent return code.
TaskResult jobResult = jobDispatcher.GetLocalRunJobResult(job.RequestMessage);
switch (jobResult)
{
case TaskResult.Succeeded:
case TaskResult.SucceededWithIssues:
return(Constants.Agent.ReturnCode.Success);
default:
return(Constants.Agent.ReturnCode.TerminatedError);
}
}
finally
{
if (jobDispatcher != null)
{
await jobDispatcher.ShutdownAsync();
}
}
}