forked from hashicorp/consul
-
Notifications
You must be signed in to change notification settings - Fork 0
/
status_endpoint.go
60 lines (50 loc) · 1.43 KB
/
status_endpoint.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
package consul
import (
"fmt"
"strconv"
"github.com/hashicorp/consul/agent/structs"
)
// Status endpoint is used to check on server status
type Status struct {
server *Server
}
// Ping is used to just check for connectivity
func (s *Status) Ping(args struct{}, reply *struct{}) error {
return nil
}
// Leader is used to get the address of the leader
func (s *Status) Leader(args struct{}, reply *string) error {
leader := string(s.server.raft.Leader())
if leader != "" {
*reply = leader
} else {
*reply = ""
}
return nil
}
// Peers is used to get all the Raft peers
func (s *Status) Peers(args struct{}, reply *[]string) error {
future := s.server.raft.GetConfiguration()
if err := future.Error(); err != nil {
return err
}
for _, server := range future.Configuration().Servers {
*reply = append(*reply, string(server.Address))
}
return nil
}
// Used by Autopilot to query the raft stats of the local server.
func (s *Status) RaftStats(args struct{}, reply *structs.ServerStats) error {
stats := s.server.raft.Stats()
var err error
reply.LastContact = stats["last_contact"]
reply.LastIndex, err = strconv.ParseUint(stats["last_log_index"], 10, 64)
if err != nil {
return fmt.Errorf("error parsing server's last_log_index value: %s", err)
}
reply.LastTerm, err = strconv.ParseUint(stats["last_log_term"], 10, 64)
if err != nil {
return fmt.Errorf("error parsing server's last_log_term value: %s", err)
}
return nil
}