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In preperation for adding the ability to join a machine to an existing cluster force the user to specify whether they expect this to me a new cluster or an active one. The error for not specifying the initial-cluster-state is: ``` etcd: initial cluster state unset and no wal found ```
36 lines
601 B
Go
36 lines
601 B
Go
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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)
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var (
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ClusterStateValues = []string{
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ClusterStateValueNew,
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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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