forked from containerd/containerd
-
Notifications
You must be signed in to change notification settings - Fork 1
/
plugins.go
162 lines (147 loc) · 3.94 KB
/
plugins.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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package plugins
import (
"fmt"
"os"
"sort"
"strings"
"text/tabwriter"
introspection "github.com/containerd/containerd/api/services/introspection/v1"
"github.com/containerd/containerd/api/types"
"github.com/containerd/containerd/cmd/ctr/commands"
"github.com/containerd/containerd/platforms"
v1 "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/urfave/cli"
"google.golang.org/grpc/codes"
)
// Command is a cli command that outputs plugin information
var Command = cli.Command{
Name: "plugins",
Aliases: []string{"plugin"},
Usage: "provides information about containerd plugins",
Subcommands: []cli.Command{
listCommand,
},
}
var listCommand = cli.Command{
Name: "list",
Aliases: []string{"ls"},
Usage: "lists containerd plugins",
Flags: []cli.Flag{
cli.BoolFlag{
Name: "quiet,q",
Usage: "print only the plugin ids",
},
cli.BoolFlag{
Name: "detailed,d",
Usage: "print detailed information about each plugin",
},
},
Action: func(context *cli.Context) error {
var (
quiet = context.Bool("quiet")
detailed = context.Bool("detailed")
)
client, ctx, cancel, err := commands.NewClient(context)
if err != nil {
return err
}
defer cancel()
ps := client.IntrospectionService()
response, err := ps.Plugins(ctx, &introspection.PluginsRequest{
Filters: context.Args(),
})
if err != nil {
return err
}
if quiet {
for _, plugin := range response.Plugins {
fmt.Println(plugin.ID)
}
return nil
}
w := tabwriter.NewWriter(os.Stdout, 4, 8, 4, ' ', 0)
if detailed {
first := true
for _, plugin := range response.Plugins {
if !first {
fmt.Fprintln(w, "\t\t\t")
}
first = false
fmt.Fprintln(w, "Type:\t", plugin.Type)
fmt.Fprintln(w, "ID:\t", plugin.ID)
if len(plugin.Requires) > 0 {
fmt.Fprintln(w, "Requires:\t")
for _, r := range plugin.Requires {
fmt.Fprintln(w, "\t", r)
}
}
if len(plugin.Platforms) > 0 {
fmt.Fprintln(w, "Platforms:\t", prettyPlatforms(plugin.Platforms))
}
if len(plugin.Exports) > 0 {
fmt.Fprintln(w, "Exports:\t")
for k, v := range plugin.Exports {
fmt.Fprintln(w, "\t", k, "\t", v)
}
}
if len(plugin.Capabilities) > 0 {
fmt.Fprintln(w, "Capabilities:\t", strings.Join(plugin.Capabilities, ","))
}
if plugin.InitErr != nil {
fmt.Fprintln(w, "Error:\t")
fmt.Fprintln(w, "\t Code:\t", codes.Code(plugin.InitErr.Code))
fmt.Fprintln(w, "\t Message:\t", plugin.InitErr.Message)
}
}
return w.Flush()
}
fmt.Fprintln(w, "TYPE\tID\tPLATFORMS\tSTATUS\t")
for _, plugin := range response.Plugins {
status := "ok"
if plugin.InitErr != nil {
status = "error"
}
var platformColumn = "-"
if len(plugin.Platforms) > 0 {
platformColumn = prettyPlatforms(plugin.Platforms)
}
if _, err := fmt.Fprintf(w, "%s\t%s\t%s\t%s\t\n",
plugin.Type,
plugin.ID,
platformColumn,
status,
); err != nil {
return err
}
}
return w.Flush()
},
}
func prettyPlatforms(pspb []types.Platform) string {
psm := map[string]struct{}{}
for _, p := range pspb {
psm[platforms.Format(v1.Platform{
OS: p.OS,
Architecture: p.Architecture,
Variant: p.Variant,
})] = struct{}{}
}
var ps []string
for p := range psm {
ps = append(ps, p)
}
sort.Stable(sort.StringSlice(ps))
return strings.Join(ps, ",")
}