54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
/*
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Copyright 2014 CoreOS, Inc.
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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 etcdserver
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import (
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"errors"
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)
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const (
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ClusterStateValueNew = "new"
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ClusterStateValueExisting = "existing"
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)
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var (
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ClusterStateValues = []string{
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ClusterStateValueNew,
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ClusterStateValueExisting,
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}
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)
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// ClusterState implements the flag.Value interface.
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type ClusterState string
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// Set verifies the argument to be a valid member of ClusterStateFlagValues
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// before setting the underlying flag value.
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func (cs *ClusterState) Set(s string) error {
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for _, v := range ClusterStateValues {
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if s == v {
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*cs = ClusterState(s)
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return nil
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}
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}
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return errors.New("invalid value")
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}
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func (cs *ClusterState) String() string {
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return string(*cs)
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}
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