-
Notifications
You must be signed in to change notification settings - Fork 87
/
server.go
80 lines (71 loc) · 2.02 KB
/
server.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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
package nats
import (
"context"
"fmt"
"time"
"github.com/bacalhau-project/bacalhau/pkg/model"
"github.com/nats-io/nats-server/v2/server"
"github.com/rs/zerolog/log"
)
const ReadyForConnectionsTimeout = 5 * time.Second
type ServerManagerParams struct {
Options *server.Options
ConnectionTimeout time.Duration
}
// ServerManager is a helper struct to manage a NATS server
type ServerManager struct {
Server *server.Server
}
// NewServerManager is a helper function to create a NATS server with a given options
func NewServerManager(ctx context.Context, params ServerManagerParams) (*ServerManager, error) {
opts := params.Options
ns, err := server.NewServer(opts)
if err != nil {
return nil, err
}
ns.SetLoggerV2(NewZeroLogger(log.Logger, opts.ServerName), opts.Debug, opts.Trace, opts.TraceVerbose)
go ns.Start()
if params.ConnectionTimeout == 0 {
params.ConnectionTimeout = ReadyForConnectionsTimeout
}
if !ns.ReadyForConnections(params.ConnectionTimeout) {
return nil, fmt.Errorf("could not start nats server on time")
}
log.Ctx(ctx).Info().Msgf("NATS server %s listening on %s", ns.ID(), ns.ClientURL())
return &ServerManager{
Server: ns,
}, err
}
// Stop stops the NATS server
func (sm *ServerManager) Stop() {
sm.Server.Shutdown()
}
// GetDebugInfo returns the debug info of the NATS server
func (sm *ServerManager) GetDebugInfo(ctx context.Context) (model.DebugInfo, error) {
varz, err := sm.Server.Varz(&server.VarzOptions{})
if err != nil {
return model.DebugInfo{}, err
}
connz, err := sm.Server.Connz(&server.ConnzOptions{})
if err != nil {
return model.DebugInfo{}, err
}
routez, err := sm.Server.Routez(&server.RoutezOptions{})
if err != nil {
return model.DebugInfo{}, err
}
subsz, err := sm.Server.Subsz(&server.SubszOptions{})
if err != nil {
return model.DebugInfo{}, err
}
return model.DebugInfo{
Component: "NATSServer",
Info: map[string]interface{}{
"ID": sm.Server.ID(),
"Varz": varz,
"Connz": connz,
"Routez": routez,
"Subsz": subsz,
},
}, nil
}