mirror of https://github.com/knative/client.git
88 lines
2.6 KiB
Go
88 lines
2.6 KiB
Go
// Copyright © 2020 The Knative 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 flags
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import (
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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"knative.dev/client/pkg/util"
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)
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// ResourceOptions to hold the container resource requirements values
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type ResourceOptions struct {
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Requests []string
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Limits []string
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ResourceRequirements corev1.ResourceRequirements
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}
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// Validate parses the limits and requests parameters if specified and
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// sets ResourceRequirements for ResourceOptions or returns error if any
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func (o *ResourceOptions) Validate() ([]string, []string, error) {
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requests, requestsToRemove, err := populateResourceListV1(o.Requests)
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if err != nil {
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return []string{}, []string{}, err
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}
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o.ResourceRequirements.Requests = requests
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limits, limitsToRemove, err := populateResourceListV1(o.Limits)
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if err != nil {
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return []string{}, []string{}, err
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}
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o.ResourceRequirements.Limits = limits
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return requestsToRemove, limitsToRemove, nil
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}
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// populateResourceListV1 takes array of strings of form <resourceName1>=<value1>
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// and returns ResourceList , an array of resource keys to remove and error if any
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func populateResourceListV1(resourceStatements []string) (corev1.ResourceList, []string, error) {
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// empty input gets a nil response to preserve generator test expected behaviors
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if len(resourceStatements) == 0 {
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return nil, []string{}, nil
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}
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result := corev1.ResourceList{}
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resources, err := util.MapFromArrayAllowingSingles(resourceStatements, "=")
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if err != nil {
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return result, []string{}, err
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}
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resourcesToRemove := util.ParseMinusSuffix(resources)
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for res, value := range resources {
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parse := true
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// do not parse the quantity OR throw error if the key is being asked for removal
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for _, toRemove := range resourcesToRemove {
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if res == toRemove {
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parse = false
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break
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}
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}
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if !parse {
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continue
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}
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resourceQuantity, err := resource.ParseQuantity(value)
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if err != nil {
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return nil, resourcesToRemove, err
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}
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result[corev1.ResourceName(res)] = resourceQuantity
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}
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return result, resourcesToRemove, nil
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}
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