private static void ApplyStepOverrides(JobsTemplateReference reference, JobsTemplate template)
{
// Select by job name.
var byJobNames =
(reference.JobSelectors ?? new List <JobSelector>(0))
.Join(inner: (template.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();
// Apply overrides from job selectors.
foreach (var byJobName in byJobNames)
{
ApplyStepOverrides(byJobName.Selector.StepOverrides, byJobName.Job.Steps);
}
// Apply unqualified overrides.
var allStepLists =
(template.Jobs ?? new List <IJob>(0))
.Cast <Job>()
.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 <IJob> jobs, String defaultRoot, CancellationToken cancellationToken, ref Int32 fileCount)
{
for (int i = 0; i < (jobs?.Count ?? 0);)
{
if (jobs[i] is JobsTemplateReference)
{
// Load the template.
var reference = jobs[i] as JobsTemplateReference;
String templateFilePath = m_fileProvider.ResolvePath(defaultRoot: defaultRoot, path: reference.Name);
PipelineFile <JobsTemplate> templateFile = LoadFile <JobsTemplate, JobsTemplateConverter>(templateFilePath, reference.Parameters, cancellationToken, ref fileCount);
JobsTemplate template = templateFile.Object;
// Resolve template references within the template.
if (template.Jobs != null)
{
foreach (Job job in template.Jobs)
{
if (job.Variables != null)
{
ResolveTemplates(job.Variables, 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);
jobs.RemoveAt(i);
if (template.Jobs != null)
{
jobs.InsertRange(i, template.Jobs);
i += template.Jobs.Count;
}
else if (template.Steps != null)
{
var newJob = new Job {
Steps = template.Steps
};
jobs.Insert(i, newJob);
i++;
}
}
else
{
// Resolve nested template references.
var job = jobs[i] as Job;
if (job.Variables != null)
{
ResolveTemplates(job.Variables, defaultRoot, cancellationToken, ref fileCount);
}
if (job.Steps != null)
{
ResolveTemplates(job.Steps, defaultRoot, cancellationToken, ref fileCount);
}
i++;
}
}
}