forked from containerd/containerd
/
commands.go
85 lines (74 loc) · 1.92 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
package commands
import (
"encoding/json"
"fmt"
"os"
"strings"
"github.com/containerd/containerd"
"github.com/urfave/cli"
)
var (
// SnapshotterFlags are cli flags specifying snapshotter names
SnapshotterFlags = []cli.Flag{
cli.StringFlag{
Name: "snapshotter",
Usage: "snapshotter name. Empty value stands for the default value.",
Value: containerd.DefaultSnapshotter,
EnvVar: "CONTAINERD_SNAPSHOTTER",
},
}
// LabelFlag is a cli flag specifying labels
LabelFlag = cli.StringSliceFlag{
Name: "label",
Usage: "labels to attach to the image",
}
// RegistryFlags are cli flags specifying registry options
RegistryFlags = []cli.Flag{
cli.BoolFlag{
Name: "skip-verify,k",
Usage: "skip SSL certificate validation",
},
cli.BoolFlag{
Name: "plain-http",
Usage: "allow connections using plain HTTP",
},
cli.StringFlag{
Name: "user,u",
Usage: "user[:password] Registry user and password",
},
cli.StringFlag{
Name: "refresh",
Usage: "refresh token for authorization server",
},
}
)
// ObjectWithLabelArgs returns the first arg and a LabelArgs object
func ObjectWithLabelArgs(clicontext *cli.Context) (string, map[string]string) {
var (
first = clicontext.Args().First()
labelStrings = clicontext.Args().Tail()
)
return first, LabelArgs(labelStrings)
}
// LabelArgs returns a map of label key,value pairs
func LabelArgs(labelStrings []string) map[string]string {
labels := make(map[string]string, len(labelStrings))
for _, label := range labelStrings {
parts := strings.SplitN(label, "=", 2)
key := parts[0]
value := "true"
if len(parts) > 1 {
value = parts[1]
}
labels[key] = value
}
return labels
}
// PrintAsJSON prints input in JSON format
func PrintAsJSON(x interface{}) {
b, err := json.MarshalIndent(x, "", " ")
if err != nil {
fmt.Fprintf(os.Stderr, "can't marshal %+v as a JSON string: %v\n", x, err)
}
fmt.Println(string(b))
}