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builder_validation.go
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builder_validation.go
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package v1alpha2
import (
"context"
"strings"
v1 "k8s.io/api/core/v1"
"knative.dev/pkg/apis"
"github.com/pivotal/kpack/pkg/apis/validate"
)
func (cb *Builder) SetDefaults(context.Context) {
if cb.Spec.ServiceAccount() == "" {
cb.Spec.ServiceAccountName = "default"
}
if cb.Spec.Stack.Kind == "" {
cb.Spec.Stack.Kind = ClusterStackKind
}
if cb.Spec.Store.Kind == "" {
cb.Spec.Store.Kind = ClusterStoreKind
}
}
func (cb *Builder) Validate(ctx context.Context) *apis.FieldError {
return cb.Spec.Validate(ctx).ViaField("spec")
}
func (s *BuilderSpec) Validate(ctx context.Context) *apis.FieldError {
return validate.Tag(s.Tag).
Also(validateStack(s.Stack).ViaField("stack")).
Also(validateStore(s.Store).ViaField("store")).
Also(validateOrder(s.Order).ViaField("order"))
}
func (s *NamespacedBuilderSpec) Validate(ctx context.Context) *apis.FieldError {
return s.BuilderSpec.Validate(ctx).
Also(validate.FieldNotEmpty(s.ServiceAccount(), "serviceAccountName"))
}
func validateStack(stack v1.ObjectReference) *apis.FieldError {
if stack.Name == "" {
return apis.ErrMissingField("name")
}
switch stack.Kind {
case ClusterStackKind:
return nil
default:
return apis.ErrInvalidValue(stack.Kind, "kind")
}
}
func validateStore(store v1.ObjectReference) *apis.FieldError {
if store.Name == "" && store.Kind == "" {
return nil
}
return validateObjectRef(store, []string{ClusterStoreKind})
}
func validateOrder(order []BuilderOrderEntry) *apis.FieldError {
var errs *apis.FieldError
for i, s := range order {
errs = errs.Also(validateGroup(s).ViaIndex(i))
}
return errs
}
func validateGroup(group BuilderOrderEntry) *apis.FieldError {
var errs *apis.FieldError
for i, s := range group.Group {
errs = errs.Also(validateBuildpackRef(s).ViaIndex(i).ViaField("group"))
}
return errs
}
func validateBuildpackRef(ref BuilderBuildpackRef) *apis.FieldError {
var errs *apis.FieldError
if ref.Name != "" || ref.Kind != "" {
errs = errs.Also(validateObjectRef(ref.ObjectReference, []string{BuildpackKind, ClusterBuildpackKind}))
}
switch {
case ref.Image != "":
errs = errs.Also(apis.ErrDisallowedFields("image reference currently not supported"))
// errs = errs.Also(validate.Image(ref.Image)).
// Also(apis.CheckDisallowedFields(ref.BuildpackInfo, v1alpha1.BuildpackInfo{})).
// Also(apis.CheckDisallowedFields(ref.ObjectReference, v1.ObjectReference{}))
case ref.Id != "" || ref.Name != "" || ref.Kind != "":
if ref.Image != "" {
errs = errs.Also(apis.ErrDisallowedFields("image"))
}
default:
errs = errs.Also(apis.ErrMissingOneOf("image", "id", "name + kind"))
}
return errs
}
func validateObjectRef(ref v1.ObjectReference, kinds []string) *apis.FieldError {
var errs *apis.FieldError
if ref.Name == "" {
errs = errs.Also(apis.ErrMissingField("name"))
}
for _, k := range kinds {
if ref.Kind == k {
return nil
}
}
return errs.Also(apis.ErrInvalidValue(ref.Kind, "kind", "must be one of "+strings.Join(kinds, ", ")))
}