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59 lines
1.6 KiB
59 lines
1.6 KiB
package weed_server
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import (
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"github.com/cenkalti/backoff/v4"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/pb"
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"github.com/seaweedfs/seaweedfs/weed/storage/needle"
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"net/http"
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"time"
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)
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type ClusterStatusResult struct {
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IsLeader bool `json:"IsLeader,omitempty"`
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Leader pb.ServerAddress `json:"Leader,omitempty"`
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Peers []string `json:"Peers,omitempty"`
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MaxVolumeId needle.VolumeId `json:"MaxVolumeId,omitempty"`
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}
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func (s *RaftServer) StatusHandler(w http.ResponseWriter, r *http.Request) {
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ret := ClusterStatusResult{
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IsLeader: s.topo.IsLeader(),
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Peers: s.Peers(),
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MaxVolumeId: s.topo.GetMaxVolumeId(),
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}
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if leader, e := s.topo.Leader(); e == nil {
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ret.Leader = leader
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}
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writeJsonQuiet(w, r, http.StatusOK, ret)
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}
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func (s *RaftServer) HealthzHandler(w http.ResponseWriter, r *http.Request) {
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leader, err := s.topo.Leader()
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if err != nil {
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w.WriteHeader(http.StatusServiceUnavailable)
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return
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}
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if s.serverAddr == leader {
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expBackoff := backoff.NewExponentialBackOff()
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expBackoff.InitialInterval = 20 * time.Millisecond
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expBackoff.MaxInterval = 1 * time.Second
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expBackoff.MaxElapsedTime = 5 * time.Second
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isLocked, err := backoff.RetryWithData(s.topo.IsChildLocked, expBackoff)
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glog.Errorf("HealthzHandler: %+v", err)
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if isLocked {
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w.WriteHeader(http.StatusLocked)
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return
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}
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}
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w.WriteHeader(http.StatusOK)
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}
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func (s *RaftServer) StatsRaftHandler(w http.ResponseWriter, r *http.Request) {
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if s.RaftHashicorp == nil {
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writeJsonQuiet(w, r, http.StatusNotFound, nil)
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return
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}
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writeJsonQuiet(w, r, http.StatusOK, s.RaftHashicorp.Stats())
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}
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