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resourcespec.go
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resourcespec.go
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// Copyright 2018 Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package schema
import (
"fmt"
metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
sc "k8s.io/apimachinery/pkg/runtime/schema"
"istio.io/istio/galley/pkg/runtime/resource"
"istio.io/istio/galley/pkg/source/kube/dynamic/converter"
)
// ResourceSpec represents a known crd. It is used to drive the K8s-related machinery, and to map to
// the proto format.
type ResourceSpec struct {
// Singular name of the K8s resource
Singular string
// Plural name of the K8s resource
Plural string
// Group name of the K8s resource
Group string
// Version of the K8s resource
Version string
// Kind of the K8s resource
Kind string
// ListKind of the K8s resource
ListKind string
// Target resource type of the resource
Target resource.Info
// The converter to use
Converter converter.Fn
// Indicates that the resource is not required to be present
Optional bool
}
// APIResource generated from this type.
func (i *ResourceSpec) APIResource() *metaV1.APIResource {
return &metaV1.APIResource{
Name: i.Plural,
SingularName: i.Singular,
Kind: i.Kind,
Version: i.Version,
Group: i.Group,
Namespaced: true,
}
}
// GroupVersion returns the GroupVersion of this type.
func (i *ResourceSpec) GroupVersion() sc.GroupVersion {
return sc.GroupVersion{
Group: i.Group,
Version: i.Version,
}
}
// CanonicalResourceName of the resource.
func (i *ResourceSpec) CanonicalResourceName() string {
return fmt.Sprintf("%s.%s/%s", i.Plural, i.Group, i.Version)
}