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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
package collector
import (
"bytes"
"context"
"fmt"
"os/exec"
"strings"
"gopkg.in/alecthomas/kingpin.v2"
)
var (
vtyshEnable = kingpin.Flag("frr.vtysh", "Use vtysh to query FRR instead of each daemon's Unix socket (default: disabled, recommended: disabled).").Default("false").Bool()
vtyshPath = kingpin.Flag("frr.vtysh.path", "Path of vtysh.").Default("/usr/bin/vtysh").String()
vtyshTimeout = kingpin.Flag("frr.vtysh.timeout", "The timeout when running vtysh commands (default: 20s).").Default("20s").Duration()
vtyshSudo = kingpin.Flag("frr.vtysh.sudo", "Enable sudo when executing vtysh commands.").Bool()
frrVTYSHOptions = kingpin.Flag("frr.vtysh.options", "Additional options passed to vtysh.").Default("").String()
)
func executeBFDCommand(cmd string) ([]byte, error) {
if *vtyshEnable {
return execVtyshCommand(cmd)
}
return socketConn.ExecBFDCmd(cmd)
}
func executeBGPCommand(cmd string) ([]byte, error) {
if *vtyshEnable {
return execVtyshCommand(cmd)
}
return socketConn.ExecBGPCmd(cmd)
}
func executeOSPFMultiInstanceCommand(cmd string, instanceID int) ([]byte, error) {
return socketConn.ExecOSPFMultiInstanceCmd(cmd, instanceID)
}
func executeOSPFCommand(cmd string) ([]byte, error) {
if *vtyshEnable {
return execVtyshCommand(cmd)
}
return socketConn.ExecOSPFCmd(cmd)
}
func executePIMCommand(cmd string) ([]byte, error) {
if *vtyshEnable {
return execVtyshCommand(cmd)
}
return socketConn.ExecPIMCmd(cmd)
}
func executeZebraCommand(cmd string) ([]byte, error) {
if *vtyshEnable {
return execVtyshCommand(cmd)
}
return socketConn.ExecZebraCmd(cmd)
}
func executeVRRPCommand(cmd string) ([]byte, error) {
if *vtyshEnable {
return execVtyshCommand(cmd)
}
return socketConn.ExecVRRPCmd(cmd)
}
func execVtyshCommand(vtyshCmd string) ([]byte, error) {
ctx, cancel := context.WithTimeout(context.Background(), *vtyshTimeout)
defer cancel()
var a []string
var executable string
if *vtyshSudo {
a = []string{*vtyshPath}
executable = "/usr/bin/sudo"
} else {
a = []string{}
executable = *vtyshPath
}
if *frrVTYSHOptions != "" {
frrOptions := strings.Split(*frrVTYSHOptions, " ")
a = append(a, frrOptions...)
}
a = append(a, "-c", vtyshCmd)
cmd := exec.CommandContext(ctx, executable, a...)
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
if err != nil {
return stdout.Bytes(), fmt.Errorf("command %s failed: %w: stderr: %s: stdout: %s", cmd, err, strings.ReplaceAll(stderr.String(), "\n", " "), strings.ReplaceAll(stdout.String(), "\n", " "))
}
return stdout.Bytes(), nil
}
|
