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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
package config
import (
"encoding/base64"
"fmt"
"strconv"
"strings"
"github.com/mimecast/dtail/internal/lcontext"
"github.com/mimecast/dtail/internal/omode"
gossh "golang.org/x/crypto/ssh"
)
// Args is a helper struct to summarize common client arguments.
type Args struct {
lcontext.LContext
Arguments []string
ConfigFile string
ConnectionsPerCPU int
Discovery string
LogDir string
Logger string
LogLevel string
Mode omode.Mode
NoColor bool
PrivateKeyPathFile string
QueryStr string
Quiet bool
RegexInvert bool
RegexStr string
Serverless bool
ServersStr string
Spartan bool
SSHAuthMethods []gossh.AuthMethod
SSHHostKeyCallback gossh.HostKeyCallback
SSHPort int
Timeout int
TrustAllHosts bool
UserName string
What string
}
func (a *Args) String() string {
var sb strings.Builder
sb.WriteString("Args(")
sb.WriteString(fmt.Sprintf("%s:%s,", "LogDir", a.LogDir))
sb.WriteString(fmt.Sprintf("%s:%s,", "Logger", a.Logger))
sb.WriteString(fmt.Sprintf("%s:%s,", "LogLevel", a.LogLevel))
sb.WriteString(fmt.Sprintf("%s:%v,", "Arguments", a.Arguments))
sb.WriteString(fmt.Sprintf("%s:%v,", "ConfigFile", a.ConfigFile))
sb.WriteString(fmt.Sprintf("%s:%v,", "ConnectionsPerCPU", a.ConnectionsPerCPU))
sb.WriteString(fmt.Sprintf("%s:%v,", "Discovery", a.Discovery))
sb.WriteString(fmt.Sprintf("%s:%v,", "Mode", a.Mode))
sb.WriteString(fmt.Sprintf("%s:%v,", "NoColor", a.NoColor))
sb.WriteString(fmt.Sprintf("%s:%v,", "PrivateKeyPathFile", a.PrivateKeyPathFile))
sb.WriteString(fmt.Sprintf("%s:%v,", "QueryStr", a.QueryStr))
sb.WriteString(fmt.Sprintf("%s:%v,", "Quiet", a.Quiet))
sb.WriteString(fmt.Sprintf("%s:%v,", "RegexInvert", a.RegexInvert))
sb.WriteString(fmt.Sprintf("%s:%v,", "RegexStr", a.RegexStr))
sb.WriteString(fmt.Sprintf("%s:%v,", "Serverless", a.Serverless))
sb.WriteString(fmt.Sprintf("%s:%v,", "ServersStr", a.ServersStr))
sb.WriteString(fmt.Sprintf("%s:%v,", "Spartan", a.Spartan))
sb.WriteString(fmt.Sprintf("%s:%v,", "SSHAuthMethods", a.SSHAuthMethods))
sb.WriteString(fmt.Sprintf("%s:%v,", "SSHHostKeyCallback", a.SSHHostKeyCallback))
sb.WriteString(fmt.Sprintf("%s:%v,", "SSHPort", a.SSHPort))
sb.WriteString(fmt.Sprintf("%s:%v,", "Timeout", a.Timeout))
sb.WriteString(fmt.Sprintf("%s:%v,", "TrustAllHosts", a.TrustAllHosts))
sb.WriteString(fmt.Sprintf("%s:%v,", "UserName", a.UserName))
sb.WriteString(fmt.Sprintf("%s:%v", "What", a.What))
sb.WriteString(")")
return sb.String()
}
// SerializeOptions returns a string ready to be sent over the wire to the server.
func (a *Args) SerializeOptions() string {
options := make(map[string]string)
if a.Quiet {
options["quiet"] = fmt.Sprintf("%v", a.Quiet)
}
if a.Spartan {
options["spartan"] = fmt.Sprintf("%v", a.Spartan)
}
if a.Serverless {
options["serverless"] = fmt.Sprintf("%v", a.Serverless)
}
if a.LContext.MaxCount != 0 {
options["max"] = fmt.Sprintf("%d", a.LContext.MaxCount)
}
if a.LContext.BeforeContext != 0 {
options["before"] = fmt.Sprintf("%d", a.LContext.BeforeContext)
}
if a.LContext.AfterContext != 0 {
options["after"] = fmt.Sprintf("%d", a.LContext.AfterContext)
}
var sb strings.Builder
var i int
for k, v := range options {
if i > 0 {
sb.WriteString(":")
}
sb.WriteString(k)
sb.WriteString("=")
sb.WriteString(v)
i++
}
return sb.String()
}
// DeserializeOptions deserializes the options, but into a map.
func DeserializeOptions(opts []string) (map[string]string, lcontext.LContext, error) {
options := make(map[string]string, len(opts))
var ltx lcontext.LContext
for _, o := range opts {
kv := strings.SplitN(o, "=", 2)
if len(kv) != 2 {
return options, ltx, fmt.Errorf("Unable to parse options: %v", kv)
}
key := kv[0]
val := kv[1]
if strings.HasPrefix(val, "base64%") {
s := strings.SplitN(val, "%", 2)
decoded, err := base64.StdEncoding.DecodeString(s[1])
if err != nil {
return options, ltx, err
}
val = string(decoded)
}
switch key {
case "before":
iVal, err := strconv.Atoi(val)
if err != nil {
return options, ltx, err
}
ltx.BeforeContext = iVal
case "after":
iVal, err := strconv.Atoi(val)
if err != nil {
return options, ltx, err
}
ltx.AfterContext = iVal
case "max":
iVal, err := strconv.Atoi(val)
if err != nil {
return options, ltx, err
}
ltx.MaxCount = iVal
default:
options[key] = val
}
}
return options, ltx, nil
}
|
