private static void ApplyStepOverrides(PhasesTemplateReference reference, PhasesTemplate template)
{
// Select by phase name.
var byPhaseNames =
(reference.PhaseSelectors ?? new List <PhaseSelector>(0))
.Join(inner: (template.Phases ?? new List <IPhase>(0)).Cast <Phase>(),
outerKeySelector: (PhaseSelector phaseSelector) => phaseSelector.Name,
innerKeySelector: (Phase phase) => phase.Name,
resultSelector: (PhaseSelector phaseSelector, Phase phase) => new { Selector = phaseSelector, Phase = phase })
.ToArray();
foreach (var byPhaseName in byPhaseNames)
{
// Select by phase name + job name.
var byPhaseNamesAndJobNames =
(byPhaseName.Selector.JobSelectors ?? new List <JobSelector>(0))
.Join(inner: (byPhaseName.Phase.Jobs ?? new List <IJob>(0)).Cast <Job>(),
outerKeySelector: (JobSelector jobSelector) => jobSelector.Name,
innerKeySelector: (Job job) => job.Name,
resultSelector: (JobSelector jobSelector, Job job) => new { Selector = jobSelector, Job = job })
.ToArray();
foreach (var byPhaseNameAndJobName in byPhaseNamesAndJobNames)
{
// Apply overrides from phase + job selectors.
ApplyStepOverrides(byPhaseNameAndJobName.Selector.StepOverrides, byPhaseNameAndJobName.Job.Steps);
}
}
// Select by job name.
var allJobs =
(template.Phases ?? new List <IPhase>(0))
.Cast <Phase>()
.SelectMany((Phase phase) => phase.Jobs ?? new List <IJob>(0))
.Concat(template.Jobs ?? new List <IJob>(0))
.Cast <Job>()
.ToArray();
var byJobNames =
(reference.JobSelectors ?? new List <JobSelector>(0))
.Join(inner: allJobs,
outerKeySelector: (JobSelector jobSelector) => jobSelector.Name,
innerKeySelector: (Job job) => job.Name,
resultSelector: (JobSelector jobSelector, Job job) => new { Selector = jobSelector, Job = job })
.ToArray();
// Apply overrides from job selectors.
foreach (var byJobName in byJobNames)
{
ApplyStepOverrides(byJobName.Selector.StepOverrides, byJobName.Job.Steps);
}
// Apply overrides from phase selectors.
foreach (var byPhaseName in byPhaseNames)
{
foreach (Job job in byPhaseName.Phase.Jobs ?? new List <IJob>(0))
{
ApplyStepOverrides(byPhaseName.Selector.StepOverrides, job.Steps);
}
}
// Apply unqualified overrides.
var allStepLists =
allJobs
.Select((Job job) => job.Steps ?? new List <IStep>(0))
.Concat(new[] { template.Steps ?? new List <IStep>(0) })
.ToArray();
foreach (List <IStep> stepList in allStepLists)
{
ApplyStepOverrides(reference.StepOverrides, stepList);
}
}
private void ResolveTemplates(List <IPhase> phases, String defaultRoot, CancellationToken cancellationToken, ref Int32 fileCount)
{
for (int i = 0; i < (phases?.Count ?? 0);)
{
if (phases[i] is PhasesTemplateReference)
{
// Load the template.
var reference = phases[i] as PhasesTemplateReference;
String templateFilePath = m_fileProvider.ResolvePath(defaultRoot: defaultRoot, path: reference.Name);
PipelineFile <PhasesTemplate> templateFile = LoadFile <PhasesTemplate, PhasesTemplateConverter>(templateFilePath, reference.Parameters, cancellationToken, ref fileCount);
PhasesTemplate template = templateFile.Object;
// Resolve template references within the template.
if (template.Jobs != null)
{
ResolveTemplates(template.Jobs, defaultRoot: templateFile.Directory, cancellationToken: cancellationToken, fileCount: ref fileCount);
}
else if (template.Steps != null)
{
ResolveTemplates(template.Steps, defaultRoot: templateFile.Directory, cancellationToken: cancellationToken, fileCount: ref fileCount);
}
// Merge the template.
ApplyStepOverrides(reference, template);
phases.RemoveAt(i);
if (template.Phases != null)
{
phases.InsertRange(i, template.Phases);
i += template.Phases.Count;
}
else if (template.Jobs != null)
{
var newPhase = new Phase {
Jobs = template.Jobs
};
phases.Insert(i, newPhase);
i++;
}
else if (template.Steps != null)
{
var newJob = new Job {
Steps = template.Steps
};
var newPhase = new Phase {
Jobs = new List <IJob>(new IJob[] { newJob })
};
phases.Insert(i, newPhase);
i++;
}
}
else
{
// Resolve nested template references.
var phase = phases[i] as Phase;
if (phase.Jobs != null)
{
ResolveTemplates(phase.Jobs, defaultRoot, cancellationToken, ref fileCount);
}
else if (phase.Variables != null)
{
ResolveTemplates(phase.Variables, defaultRoot, cancellationToken, ref fileCount);
}
else if (phase.Steps != null)
{
ResolveTemplates(phase.Steps, defaultRoot, cancellationToken, ref fileCount);
}
i++;
}
}
}
