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
|
package server
import (
"context"
"fmt"
"math/rand"
"time"
"github.com/mimecast/dtail/internal/clients"
"github.com/mimecast/dtail/internal/config"
"github.com/mimecast/dtail/internal/io/logger"
"github.com/mimecast/dtail/internal/omode"
gossh "golang.org/x/crypto/ssh"
)
const authLength = 64
const authCharset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@£$%^&*()_+[]"
type scheduler struct {
authPayload string
}
func newScheduler() *scheduler {
seededRand := rand.New(rand.NewSource(time.Now().UnixNano()))
b := make([]byte, authLength)
for i := range b {
b[i] = authCharset[seededRand.Intn(len(authCharset))]
}
return &scheduler{
authPayload: string(b),
}
}
func (s *scheduler) start(ctx context.Context) {
for {
select {
case <-time.After(time.Second * 10):
s.runJobs(ctx)
return
case <-time.After(time.Minute):
s.runJobs(ctx)
case <-ctx.Done():
return
}
}
}
func (s *scheduler) runJobs(ctx context.Context) {
for _, scheduled := range config.Server.Schedule {
args := clients.Args{
ConnectionsPerCPU: scheduled.ConnectionsPerCPU,
Discovery: scheduled.Discovery,
ServersStr: scheduled.Servers,
What: scheduled.Files,
Mode: omode.MapClient,
UserName: config.ScheduledUser,
}
args.SSHAuthMethods = append(args.SSHAuthMethods, gossh.Password(s.authPayload))
client, err := clients.NewMaprClient(args, scheduled.Query)
if err != nil {
logger.Error(fmt.Sprintf("Unable to create scheduled job %s", scheduled.Name), err)
continue
}
logger.Info(fmt.Sprintf("Starting scheduled job %s", scheduled.Name))
status := client.Start(ctx)
logMessage := fmt.Sprintf("Scheduled job %s exited with status %d", scheduled.Name, status)
if status != 0 {
logger.Warn(logMessage)
continue
}
logger.Info(logMessage)
}
}
|
