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