public async Task GetSourceAsync(
IExecutionContext executionContext,
ServiceEndpoint endpoint,
CancellationToken cancellationToken)
{
// Validate args.
ArgUtil.NotNull(executionContext, nameof(executionContext));
ArgUtil.NotNull(endpoint, nameof(endpoint));
// Create the tf command manager.
var tf = HostContext.CreateService <ITeeTFCommandManager>();
tf.CancellationToken = cancellationToken;
tf.Endpoint = endpoint;
tf.ExecutionContext = executionContext;
// Get the TEE workspaces.
TeeWorkspace[] teeWorkspaces = await tf.WorkspacesAsync();
// Determine the workspace name.
AgentSettings settings = HostContext.GetService <IConfigurationStore>().GetSettings();
string buildDirectory = executionContext.Variables.Agent_BuildDirectory;
ArgUtil.NotNullOrEmpty(buildDirectory, nameof(buildDirectory));
string workspaceName = $"ws_{Path.GetFileName(buildDirectory)}_{settings.AgentId}";
executionContext.Variables.Set(Constants.Variables.Build.RepoTfvcWorkspace, workspaceName);
// Get the definition mappings.
TfsVCTeeWorkspaceMapping[] definitionMappings =
JsonConvert.DeserializeObject <TfsVCTeeWorkspaceMappings>(endpoint.Data["tfvcWorkspaceMapping"])?.Mappings;
// Determine the sources directory.
string sourcesDirectory = executionContext.Variables.Build_SourcesDirectory;
ArgUtil.NotNullOrEmpty(sourcesDirectory, nameof(sourcesDirectory));
// Attempt to re-use an existing workspace if clean=false.
TeeWorkspace existingTeeWorkspace = null;
bool clean = endpoint.Data.ContainsKey(WellKnownEndpointData.Clean) &&
StringUtil.ConvertToBoolean(endpoint.Data[WellKnownEndpointData.Clean], defaultValue: false);
if (!clean)
{
existingTeeWorkspace = MatchExactWorkspace(
teeWorkspaces: teeWorkspaces,
name: workspaceName,
definitionMappings: definitionMappings,
sourcesDirectory: sourcesDirectory);
// Undo any pending changes.
// TODO: Manually delete pending adds since they do not get deleted on undo?
if (existingTeeWorkspace != null)
{
TeeStatus teeStatus = await tf.StatusAsync(workspaceName);
if (teeStatus?.PendingChanges?.Any() ?? false)
{
await tf.UndoAsync(sourcesDirectory);
}
}
}
// Create a new workspace.
if (existingTeeWorkspace == null)
{
// Remove any conflicting TEE workspaces.
await RemoveConflictingWorkspacesAsync(
tf : tf,
teeWorkspaces : teeWorkspaces,
name : workspaceName,
directory : sourcesDirectory);
// Recreate the sources directory.
executionContext.Debug($"Deleting: '{sourcesDirectory}'.");
IOUtil.DeleteDirectory(sourcesDirectory, cancellationToken);
Directory.CreateDirectory(sourcesDirectory);
// Create the TEE workspace.
await tf.WorkspaceNewAsync(workspaceName);
// Sort the definition mappings.
definitionMappings =
(definitionMappings ?? new TfsVCTeeWorkspaceMapping[0])
.OrderBy(x => NormalizeServerPath(x.ServerPath)?.Length ?? 0) // By server path length.
.ToArray() ?? new TfsVCTeeWorkspaceMapping[0];
// Add the definition mappings to the TEE workspace.
foreach (TfsVCTeeWorkspaceMapping definitionMapping in definitionMappings)
{
switch (definitionMapping.MappingType)
{
case TfsVCTeeMappingType.Cloak:
// Add the cloak.
await tf.WorkfoldCloakAsync(
workspace : workspaceName,
serverPath : definitionMapping.ServerPath);
break;
case TfsVCTeeMappingType.Map:
// Add the mapping.
await tf.WorkfoldMapAsync(
workspace : workspaceName,
serverPath : definitionMapping.ServerPath,
localPath : ResolveMappingLocalPath(definitionMapping, sourcesDirectory));
break;
default:
throw new NotSupportedException();
}
}
}
// Get.
await tf.GetAsync(
version : executionContext.Variables.Build_SourceVersion,
directory : sourcesDirectory);
string shelvesetName = executionContext.Variables.Build_SourceTfvcShelveset;
if (!string.IsNullOrEmpty(shelvesetName))
{
// Get the shelveset details.
TeeShelveset teeShelveset = null;
string gatedShelvesetName = executionContext.Variables.Build_GatedShelvesetName;
if (!string.IsNullOrEmpty(gatedShelvesetName))
{
teeShelveset = await tf.ShelvesetsAsync(workspace : workspaceName, shelveset : shelvesetName);
// The command throws if the shelveset is not found.
// This assertion should never fail.
ArgUtil.NotNull(teeShelveset, nameof(teeShelveset));
}
// Unshelve.
// TODO: Confirm Get then Unshelve is OK.
await tf.UnshelveAsync(workspace : workspaceName, shelveset : shelvesetName);
if (!string.IsNullOrEmpty(gatedShelvesetName))
{
// Create the comment file for reshelve.
StringBuilder comment = new StringBuilder(teeShelveset.Comment ?? string.Empty);
if (!(executionContext.Variables.Build_GatedRunCI ?? true))
{
if (comment.Length > 0)
{
comment.AppendLine();
}
comment.Append(Constants.Build.NoCICheckInComment);
}
string commentFile = null;
try
{
commentFile = Path.GetTempFileName();
// TODO: FIGURE OUT WHAT ENCODING TF EXPECTS
File.WriteAllText(path: commentFile, contents: comment.ToString());
// Reshelve.
// TODO: Work with TEE folks regarding support for associate work items, policy override comment, etc.
await tf.ShelveAsync(
directory : sourcesDirectory,
shelveset : gatedShelvesetName,
commentFile : commentFile);
}
finally
{
// Cleanup the comment file.
if (File.Exists(commentFile))
{
File.Delete(commentFile);
}
}
}
}
}
public async Task GetSourceAsync(
IExecutionContext executionContext,
ServiceEndpoint endpoint,
CancellationToken cancellationToken)
{
// Validate args.
ArgUtil.NotNull(executionContext, nameof(executionContext));
ArgUtil.NotNull(endpoint, nameof(endpoint));
// Create the tf command manager.
var tf = HostContext.CreateService <ITeeTFCommandManager>();
tf.CancellationToken = cancellationToken;
tf.Endpoint = endpoint;
tf.ExecutionContext = executionContext;
// Check if the administrator accepted the license terms of the TEE EULA when
// configuring the agent.
AgentSettings settings = HostContext.GetService <IConfigurationStore>().GetSettings();
if (settings.AcceptTeeEula)
{
// Check if the "tf eula -accept" command needs to be run for the current security user.
bool skipEula = false;
try
{
skipEula = tf.TestEulaAccepted();
}
catch (Exception ex)
{
Trace.Error("Unexpected exception while testing whether the TEE EULA has been accepted for the current security user.");
Trace.Error(ex);
}
if (!skipEula)
{
// Run the command "tf eula -accept".
try
{
await tf.EulaAsync();
}
catch (Exception ex)
{
Trace.Error(ex);
executionContext.Warning(ex.Message);
}
}
}
// Get the TEE workspaces.
TeeWorkspace[] teeWorkspaces = await tf.WorkspacesAsync();
// Determine the workspace name.
string buildDirectory = executionContext.Variables.Agent_BuildDirectory;
ArgUtil.NotNullOrEmpty(buildDirectory, nameof(buildDirectory));
string workspaceName = $"ws_{Path.GetFileName(buildDirectory)}_{settings.AgentId}";
executionContext.Variables.Set(Constants.Variables.Build.RepoTfvcWorkspace, workspaceName);
// Get the definition mappings.
TfsVCTeeWorkspaceMapping[] definitionMappings =
JsonConvert.DeserializeObject <TfsVCTeeWorkspaceMappings>(endpoint.Data["tfvcWorkspaceMapping"])?.Mappings;
// Determine the sources directory.
string sourcesDirectory = executionContext.Variables.Build_SourcesDirectory;
ArgUtil.NotNullOrEmpty(sourcesDirectory, nameof(sourcesDirectory));
// Attempt to re-use an existing workspace if clean=false.
TeeWorkspace existingTeeWorkspace = null;
bool clean = endpoint.Data.ContainsKey(WellKnownEndpointData.Clean) &&
StringUtil.ConvertToBoolean(endpoint.Data[WellKnownEndpointData.Clean], defaultValue: false);
if (!clean)
{
existingTeeWorkspace = MatchExactWorkspace(
teeWorkspaces: teeWorkspaces,
name: workspaceName,
definitionMappings: definitionMappings,
sourcesDirectory: sourcesDirectory);
// Undo any pending changes.
if (existingTeeWorkspace != null)
{
TeeStatus teeStatus = await tf.StatusAsync(workspaceName);
if (teeStatus?.PendingChanges?.Any() ?? false)
{
await tf.UndoAsync(sourcesDirectory);
// Cleanup remaining files/directories from pend adds.
teeStatus.PendingChanges
.Where(x => string.Equals(x.ChangeType, "add", StringComparison.OrdinalIgnoreCase))
.OrderByDescending(x => x.LocalItem) // Sort descending so nested items are deleted before their parent is deleted.
.ToList()
.ForEach(x =>
{
executionContext.Output(StringUtil.Loc("Deleting", x.LocalItem));
IOUtil.Delete(x.LocalItem, cancellationToken);
});
}
}
}
// Create a new workspace.
if (existingTeeWorkspace == null)
{
// Remove any conflicting TEE workspaces.
await RemoveConflictingWorkspacesAsync(
tf : tf,
teeWorkspaces : teeWorkspaces,
name : workspaceName,
directory : sourcesDirectory);
// Recreate the sources directory.
executionContext.Debug($"Deleting: '{sourcesDirectory}'.");
IOUtil.DeleteDirectory(sourcesDirectory, cancellationToken);
Directory.CreateDirectory(sourcesDirectory);
// Create the TEE workspace.
await tf.WorkspaceNewAsync(workspaceName);
// Sort the definition mappings.
definitionMappings =
(definitionMappings ?? new TfsVCTeeWorkspaceMapping[0])
.OrderBy(x => NormalizeServerPath(x.ServerPath)?.Length ?? 0) // By server path length.
.ToArray() ?? new TfsVCTeeWorkspaceMapping[0];
// Add the definition mappings to the TEE workspace.
foreach (TfsVCTeeWorkspaceMapping definitionMapping in definitionMappings)
{
switch (definitionMapping.MappingType)
{
case TfsVCTeeMappingType.Cloak:
// Add the cloak.
await tf.WorkfoldCloakAsync(
workspace : workspaceName,
serverPath : definitionMapping.ServerPath);
break;
case TfsVCTeeMappingType.Map:
// Add the mapping.
await tf.WorkfoldMapAsync(
workspace : workspaceName,
serverPath : definitionMapping.ServerPath,
localPath : ResolveMappingLocalPath(definitionMapping, sourcesDirectory));
break;
default:
throw new NotSupportedException();
}
}
}
// Get.
await tf.GetAsync(
version : executionContext.Variables.Build_SourceVersion,
directory : sourcesDirectory);
string shelvesetName = executionContext.Variables.Build_SourceTfvcShelveset;
if (!string.IsNullOrEmpty(shelvesetName))
{
// Get the shelveset details.
TeeShelveset teeShelveset = null;
string gatedShelvesetName = executionContext.Variables.Build_GatedShelvesetName;
if (!string.IsNullOrEmpty(gatedShelvesetName))
{
teeShelveset = await tf.ShelvesetsAsync(workspace : workspaceName, shelveset : shelvesetName);
// The command throws if the shelveset is not found.
// This assertion should never fail.
ArgUtil.NotNull(teeShelveset, nameof(teeShelveset));
}
// Unshelve.
await tf.UnshelveAsync(workspace : workspaceName, shelveset : shelvesetName);
if (!string.IsNullOrEmpty(gatedShelvesetName))
{
// Create the comment file for reshelve.
StringBuilder comment = new StringBuilder(teeShelveset.Comment ?? string.Empty);
if (!(executionContext.Variables.Build_GatedRunCI ?? true))
{
if (comment.Length > 0)
{
comment.AppendLine();
}
comment.Append(Constants.Build.NoCICheckInComment);
}
string commentFile = null;
try
{
commentFile = Path.GetTempFileName();
// TODO: FIGURE OUT WHAT ENCODING TF EXPECTS
File.WriteAllText(path: commentFile, contents: comment.ToString());
// Reshelve.
await tf.ShelveAsync(
shelveset : gatedShelvesetName,
directory : sourcesDirectory,
commentFile : commentFile);
}
finally
{
// Cleanup the comment file.
if (File.Exists(commentFile))
{
File.Delete(commentFile);
}
}
}
}
}