open-vault/http/sys_leader.go
Brian Kassouf 1bb0bd489d
storage/raft: Add committed and applied indexes to the status output (#9011)
* storage/raft: Add committed and applied indexes to the status output

* Update api vendor

* changelog++

* Update http/sys_leader.go

Co-authored-by: Jim Kalafut <jkalafut@hashicorp.com>

Co-authored-by: Jim Kalafut <jkalafut@hashicorp.com>
2020-05-18 16:07:27 -07:00

63 lines
1.8 KiB
Go

package http
import (
"net/http"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/vault/vault"
)
func handleSysLeader(core *vault.Core) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "GET":
handleSysLeaderGet(core, w, r)
default:
respondError(w, http.StatusMethodNotAllowed, nil)
}
})
}
func handleSysLeaderGet(core *vault.Core, w http.ResponseWriter, r *http.Request) {
haEnabled := true
isLeader, address, clusterAddr, err := core.Leader()
if errwrap.Contains(err, vault.ErrHANotEnabled.Error()) {
haEnabled = false
err = nil
}
if err != nil {
respondError(w, http.StatusInternalServerError, err)
return
}
resp := &LeaderResponse{
HAEnabled: haEnabled,
IsSelf: isLeader,
LeaderAddress: address,
LeaderClusterAddress: clusterAddr,
PerfStandby: core.PerfStandby(),
}
if resp.PerfStandby {
resp.PerfStandbyLastRemoteWAL = vault.LastRemoteWAL(core)
} else if isLeader || !haEnabled {
resp.LastWAL = vault.LastWAL(core)
}
resp.RaftCommittedIndex, resp.RaftAppliedIndex = core.GetRaftIndexes()
respondOk(w, resp)
}
type LeaderResponse struct {
HAEnabled bool `json:"ha_enabled"`
IsSelf bool `json:"is_self"`
LeaderAddress string `json:"leader_address"`
LeaderClusterAddress string `json:"leader_cluster_address"`
PerfStandby bool `json:"performance_standby"`
PerfStandbyLastRemoteWAL uint64 `json:"performance_standby_last_remote_wal"`
LastWAL uint64 `json:"last_wal,omitempty"`
// Raft Indexes for this node
RaftCommittedIndex uint64 `json:"raft_committed_index,omitempty"`
RaftAppliedIndex uint64 `json:"raft_applied_index,omitempty"`
}