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toughen weedfs clustering, adding synchronizing max volume id among

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peers in order to avoid the same volume id being assigned twice
1. moving raft.Server to topology
2. adding max volume id command for raft
This commit is contained in:
Chris Lu
2014-03-15 23:03:49 -07:00
parent fb75fe852c
commit 41143b3b78
9 changed files with 114 additions and 72 deletions
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10
go/weed/weed_server/raft_server_handlers.go
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@@ -40,10 +40,10 @@ func (s *RaftServer) HandleFunc(pattern string, handler func(http.ResponseWriter
}
func (s *RaftServer) redirectToLeader(w http.ResponseWriter, req *http.Request) {
if s.Leader() != "" {
if s.topo.Leader() != "" {
//http.StatusMovedPermanently does not cause http POST following redirection
glog.V(0).Infoln("Redirecting to", http.StatusMovedPermanently, "http://"+s.Leader()+req.URL.Path)
http.Redirect(w, req, "http://"+s.Leader()+req.URL.Path, http.StatusMovedPermanently)
glog.V(0).Infoln("Redirecting to", http.StatusMovedPermanently, "http://"+s.topo.Leader()+req.URL.Path)
http.Redirect(w, req, "http://"+s.topo.Leader()+req.URL.Path, http.StatusMovedPermanently)
} else {
glog.V(0).Infoln("Error: Leader Unknown")
http.Error(w, "Leader unknown", http.StatusInternalServerError)
@@ -52,8 +52,8 @@ func (s *RaftServer) redirectToLeader(w http.ResponseWriter, req *http.Request)
func (s *RaftServer) statusHandler(w http.ResponseWriter, r *http.Request) {
m := make(map[string]interface{})
m["IsLeader"] = s.IsLeader()
m["Leader"] = s.Leader()
m["IsLeader"] = s.topo.IsLeader()
m["Leader"] = s.topo.Leader()
m["Peers"] = s.Peers()
writeJsonQuiet(w, r, m)
}