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Check for peer before demotion.

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This commit is contained in:
Ben Johnson 2014-03-04 08:53:13 -07:00
parent c8d6b26dfd
commit 063f3b574c
1 changed files with 7 additions and 0 deletions
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7
server/demote_command.go
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@ -1,6 +1,8 @@
package server package server
import ( import (
"fmt"
"github.com/coreos/etcd/log" "github.com/coreos/etcd/log"
"github.com/coreos/etcd/third_party/github.com/coreos/raft" "github.com/coreos/etcd/third_party/github.com/coreos/raft"
) )
@ -23,6 +25,11 @@ func (c *DemoteCommand) CommandName() string {
func (c *DemoteCommand) Apply(context raft.Context) (interface{}, error) { func (c *DemoteCommand) Apply(context raft.Context) (interface{}, error) {
ps, _ := context.Server().Context().(*PeerServer) ps, _ := context.Server().Context().(*PeerServer)
// Ignore this command if there is no peer.
if !ps.registry.PeerExists(c.Name) {
return nil, fmt.Errorf("peer does not exist: %s", c.Name)
}
// Save URLs. // Save URLs.
clientURL, _ := ps.registry.ClientURL(c.Name) clientURL, _ := ps.registry.ClientURL(c.Name)
peerURL, _ := ps.registry.PeerURL(c.Name) peerURL, _ := ps.registry.PeerURL(c.Name)