forked from rancher/convoy
/
commands.go
144 lines (128 loc) · 2.81 KB
/
commands.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
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
package main
import (
"fmt"
"github.com/codegangsta/cli"
"github.com/rancherio/rancher-volume/api"
"github.com/rancherio/rancher-volume/util"
"io/ioutil"
"net/http"
"path/filepath"
"strings"
)
var (
infoCmd = cli.Command{
Name: "info",
Usage: "information about rancher-volume",
Action: cmdInfo,
}
)
func getConfigFileName(root string) string {
return filepath.Join(root, CONFIGFILE)
}
func getCfgName() string {
return CONFIGFILE
}
func genRequiredMissingError(name string) error {
return fmt.Errorf("Cannot find valid required parameter:", name)
}
func getUUID(v interface{}, key string, required bool, err error) (string, error) {
uuid, err := getLowerCaseFlag(v, key, required, err)
if err != nil {
return uuid, err
}
if !required && uuid == "" {
return uuid, nil
}
if !util.ValidateUUID(uuid) {
return "", fmt.Errorf("Invalid UUID %v", uuid)
}
return uuid, nil
}
func getName(v interface{}, key string, required bool, err error) (string, error) {
name, err := getLowerCaseFlag(v, key, required, err)
if err != nil {
return name, err
}
if !required && name == "" {
return name, nil
}
if !util.ValidateName(name) {
return "", fmt.Errorf("Invalid name %v", name)
}
return name, nil
}
func getLowerCaseFlag(v interface{}, key string, required bool, err error) (string, error) {
if err != nil {
return "", err
}
value := ""
switch v := v.(type) {
default:
return "", fmt.Errorf("Unexpected type for getLowerCaseFlag")
case *cli.Context:
value = v.String(key)
case map[string]string:
value = v[key]
case *http.Request:
if err := v.ParseForm(); err != nil {
return "", err
}
value = v.FormValue(key)
}
result := strings.ToLower(value)
if required && result == "" {
err = genRequiredMissingError(key)
}
return result, err
}
func cmdInfo(c *cli.Context) {
if err := doInfo(c); err != nil {
panic(err)
}
}
func doInfo(c *cli.Context) error {
rc, _, err := client.call("GET", "/info", nil, nil)
if err != nil {
return err
}
defer rc.Close()
b, err := ioutil.ReadAll(rc)
if err != nil {
return err
}
fmt.Println(string(b))
return nil
}
func (s *Server) doInfo(version string, w http.ResponseWriter, r *http.Request, objs map[string]string) error {
s.GlobalLock.RLock()
defer s.GlobalLock.RUnlock()
var err error
_, err = w.Write([]byte(fmt.Sprint("{\n\"General\" : ")))
if err != nil {
return err
}
data, err := api.ResponseOutput(&s.Config)
if err != nil {
return err
}
_, err = w.Write(data)
if err != nil {
return err
}
if _, err := w.Write([]byte(fmt.Sprint(",\n\"Driver\" : "))); err != nil {
return err
}
driver := s.StorageDriver
data, err = driver.Info()
if err != nil {
return err
}
_, err = w.Write(data)
if err != nil {
return err
}
if _, err := w.Write([]byte(fmt.Sprint("\n}"))); err != nil {
return err
}
return nil
}