mirror of https://github.com/goharbor/harbor.git
153 lines
3.4 KiB
Go
153 lines
3.4 KiB
Go
// Copyright Project Harbor Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package types
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import (
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"encoding/json"
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"strconv"
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"github.com/go-openapi/strfmt"
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)
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const (
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// UNLIMITED unlimited resource value
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UNLIMITED = -1
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// ResourceStorage storage size, in bytes
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ResourceStorage ResourceName = "storage"
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)
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// ResourceName is the name identifying various resources in a ResourceList.
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type ResourceName string
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// FormatValue returns string for the resource value
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func (resource ResourceName) FormatValue(value int64) string {
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format, ok := resourceValueFormats[resource]
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if ok {
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return format(value)
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}
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return strconv.FormatInt(value, 10)
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}
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// ResourceList is a set of (resource name, value) pairs.
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type ResourceList map[ResourceName]int64
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// Validate validates this resource list
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func (resources ResourceList) Validate(_ strfmt.Registry) error {
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return nil
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}
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func (resources ResourceList) String() string {
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bytes, _ := json.Marshal(resources)
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return string(bytes)
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}
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// NewResourceList returns resource list from string
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func NewResourceList(s string) (ResourceList, error) {
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var resources ResourceList
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if err := json.Unmarshal([]byte(s), &resources); err != nil {
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return nil, err
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}
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return resources, nil
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}
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// Equals returns true if the two lists are equivalent
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func Equals(a ResourceList, b ResourceList) bool {
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if len(a) != len(b) {
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return false
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}
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for key, value1 := range a {
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value2, found := b[key]
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if !found {
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return false
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}
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if value1 != value2 {
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return false
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}
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}
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return true
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}
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// Add returns the result of a + b for each named resource
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func Add(a ResourceList, b ResourceList) ResourceList {
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result := ResourceList{}
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for key, value := range a {
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if other, found := b[key]; found {
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value = value + other
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}
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result[key] = value
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}
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for key, value := range b {
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if _, found := result[key]; !found {
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result[key] = value
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}
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}
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return result
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}
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// Subtract returns the result of a - b for each named resource
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func Subtract(a ResourceList, b ResourceList) ResourceList {
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result := ResourceList{}
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for key, value := range a {
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if other, found := b[key]; found {
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value = value - other
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}
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result[key] = value
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}
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for key, value := range b {
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if _, found := result[key]; !found {
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result[key] = -value
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}
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}
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return result
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}
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// Zero returns the result of a - a for each named resource
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func Zero(a ResourceList) ResourceList {
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result := ResourceList{}
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for key := range a {
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result[key] = 0
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}
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return result
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}
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// IsNegative returns the set of resource names that have a negative value.
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func IsNegative(a ResourceList) []ResourceName {
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results := []ResourceName{}
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for k, v := range a {
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if v < 0 {
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results = append(results, k)
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}
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}
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return results
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}
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// IsValidResource returns true when resource was supported
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func IsValidResource(resource ResourceName) bool {
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switch resource {
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case ResourceStorage:
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return true
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default:
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return false
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}
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}
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