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Allow partial cluster config updates.

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This commit is contained in:
Ben Johnson
2014-03-10 16:05:03 -07:00
parent c0a59b3a27
commit e9a1ac15d9
1 changed files with 17 additions and 2 deletions
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19
server/peer_server_handlers.go
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@@ -215,12 +215,27 @@ func (ps *PeerServer) getClusterConfigHttpHandler(w http.ResponseWriter, req *ht
// Updates the cluster configuration.
func (ps *PeerServer) setClusterConfigHttpHandler(w http.ResponseWriter, req *http.Request) {
c := &SetClusterConfigCommand{Config: &ClusterConfig{}}
if err := json.NewDecoder(req.Body).Decode(&c.Config); err != nil {
// Decode map.
m := make(map[string]interface{})
if err := json.NewDecoder(req.Body).Decode(&m); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// Copy config and update fields passed in.
config := &ClusterConfig{
ActiveSize: ps.clusterConfig.ActiveSize,
PromoteDelay: ps.clusterConfig.PromoteDelay,
}
if activeSize, ok := m["activeSize"].(float64); ok {
config.ActiveSize = int(activeSize)
}
if promoteDelay, ok := m["promoteDelay"].(float64); ok {
config.PromoteDelay = int(promoteDelay)
}
// Issue command to update.
c := &SetClusterConfigCommand{Config: config}
log.Debugf("[recv] Update Cluster Config Request")
ps.server.Dispatch(c, w, req)