mirror of https://github.com/k3s-io/k3s
66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
// Copyright 2015 The etcd 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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"flag"
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"net/url"
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"strings"
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"go.etcd.io/etcd/pkg/types"
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)
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// URLsValue wraps "types.URLs".
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type URLsValue types.URLs
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// Set parses a command line set of URLs formatted like:
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// http://127.0.0.1:2380,http://10.1.1.2:80
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// Implements "flag.Value" interface.
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func (us *URLsValue) Set(s string) error {
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ss, err := types.NewURLs(strings.Split(s, ","))
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if err != nil {
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return err
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}
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*us = URLsValue(ss)
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return nil
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}
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// String implements "flag.Value" interface.
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func (us *URLsValue) String() string {
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all := make([]string, len(*us))
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for i, u := range *us {
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all[i] = u.String()
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}
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return strings.Join(all, ",")
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}
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// NewURLsValue implements "url.URL" slice as flag.Value interface.
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// Given value is to be separated by comma.
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func NewURLsValue(s string) *URLsValue {
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if s == "" {
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return &URLsValue{}
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}
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v := &URLsValue{}
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if err := v.Set(s); err != nil {
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plog.Panicf("new URLsValue should never fail: %v", err)
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}
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return v
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}
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// URLsFromFlag returns a slices from url got from the flag.
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func URLsFromFlag(fs *flag.FlagSet, urlsFlagName string) []url.URL {
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return []url.URL(*fs.Lookup(urlsFlagName).Value.(*URLsValue))
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}
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