public static IEnumerable <V1CustomResourceDefinition> GenerateCrds(ResourceLocator resourceTypeService)
{
var resourceTypes = resourceTypeService.GetTypesWithAttribute <KubernetesEntityAttribute>();
return(resourceTypes
.Where(type => !type.GetCustomAttributes <IgnoreEntityAttribute>().Any())
.Select(type => (type.CreateCrd(), type.GetCustomAttributes <StorageVersionAttribute>().Any()))
.GroupBy(grp => grp.Item1.Metadata.Name)
.Select(
group =>
{
if (group.Count(def => def.Item2) > 1)
{
throw new Exception("There are multiple stored versions on an entity.");
}
var crd = group.First().Item1;
crd.Spec.Versions = group
.SelectMany(
c => c.Item1.Spec.Versions.Select(
v =>
{
v.Served = true;
v.Storage = c.Item2;
return v;
}))
.OrderByDescending(v => v.Name, KubernetesVersionComparer.Instance)
.ToList();
// when only one version exists, or when no StorageVersion attributes are found
// the first version in the list is the stored one.
if (crd.Spec.Versions.Count == 1 || group.Count(def => def.Item2) == 0)
{
crd.Spec.Versions[0].Storage = true;
}
return crd;
}));
}