mirror of
https://github.com/ceph/ceph-csi.git
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77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
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/*
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Copyright 2023 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cel
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import (
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"fmt"
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"reflect"
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"github.com/google/cel-go/cel"
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"github.com/google/cel-go/checker/decls"
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"github.com/google/cel-go/common/types"
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"github.com/google/cel-go/common/types/ref"
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"k8s.io/apimachinery/pkg/api/resource"
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)
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var (
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QuantityObject = decls.NewObjectType("kubernetes.Quantity")
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quantityTypeValue = types.NewTypeValue("kubernetes.Quantity")
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QuantityType = cel.ObjectType("kubernetes.Quantity")
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)
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// Quantity provdes a CEL representation of a resource.Quantity
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type Quantity struct {
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*resource.Quantity
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}
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func (d Quantity) ConvertToNative(typeDesc reflect.Type) (interface{}, error) {
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if reflect.TypeOf(d.Quantity).AssignableTo(typeDesc) {
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return d.Quantity, nil
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}
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if reflect.TypeOf("").AssignableTo(typeDesc) {
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return d.Quantity.String(), nil
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}
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return nil, fmt.Errorf("type conversion error from 'Quantity' to '%v'", typeDesc)
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}
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func (d Quantity) ConvertToType(typeVal ref.Type) ref.Val {
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switch typeVal {
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case typeValue:
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return d
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case types.TypeType:
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return quantityTypeValue
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default:
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return types.NewErr("type conversion error from '%s' to '%s'", quantityTypeValue, typeVal)
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}
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}
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func (d Quantity) Equal(other ref.Val) ref.Val {
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otherDur, ok := other.(Quantity)
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if !ok {
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return types.MaybeNoSuchOverloadErr(other)
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}
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return types.Bool(d.Quantity.Equal(*otherDur.Quantity))
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}
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func (d Quantity) Type() ref.Type {
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return quantityTypeValue
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}
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func (d Quantity) Value() interface{} {
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return d.Quantity
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}
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