mirror of
https://github.com/vmware-tanzu/velero.git
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62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
/*
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Copyright 2017 the Velero contributors.
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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 flag
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import (
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"strings"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// OrLabelSelector is a Cobra-compatible wrapper for defining
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// a Kubernetes or-label-selector flag.
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type OrLabelSelector struct {
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OrLabelSelectors []*metav1.LabelSelector
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}
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// String returns a string representation of the or-label
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// selector flag.
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func (ls *OrLabelSelector) String() string {
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orLabels := []string{}
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for _, v := range ls.OrLabelSelectors {
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orLabels = append(orLabels, metav1.FormatLabelSelector(v))
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}
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return strings.Join(orLabels, " or ")
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}
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// Set parses the provided string and assigns the result
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// to the or-label-selector receiver. It returns an error if
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// the string is not parseable.
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func (ls *OrLabelSelector) Set(s string) error {
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orItems := strings.Split(s, " or ")
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ls.OrLabelSelectors = make([]*metav1.LabelSelector, 0)
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for _, orItem := range orItems {
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parsed, err := metav1.ParseToLabelSelector(orItem)
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if err != nil {
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return err
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}
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ls.OrLabelSelectors = append(ls.OrLabelSelectors, parsed)
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}
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return nil
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}
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// Type returns a string representation of the
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// OrLabelSelector type.
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func (ls *OrLabelSelector) Type() string {
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return "orLabelSelector"
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}
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