/
main.go
161 lines (140 loc) · 4.35 KB
/
main.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
/*
* Minio Cloud Storage, (C) 2015, 2016, 2017, 2018 Minio, Inc.
*
* 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 cmd
import (
"os"
"path/filepath"
"sort"
"github.com/minio/cli"
"github.com/minio/mc/pkg/console"
"github.com/minio/minio/pkg/trie"
"github.com/minio/minio/pkg/words"
)
// global flags for minio.
var globalFlags = []cli.Flag{
cli.StringFlag{
Name: "config-dir, C",
Value: defaultConfigDir.Get(),
Usage: "[DEPRECATED] Path to legacy configuration directory.",
},
cli.StringFlag{
Name: "certs-dir, S",
Value: defaultCertsDir.Get(),
Usage: "Path to certs directory.",
},
cli.BoolFlag{
Name: "quiet",
Usage: "Disable startup information.",
},
cli.BoolFlag{
Name: "anonymous",
Usage: "Hide sensitive information from logging.",
},
cli.BoolFlag{
Name: "json",
Usage: "Output server logs and startup information in json format.",
},
}
// Help template for minio.
var minioHelpTemplate = `NAME:
{{.Name}} - {{.Usage}}
DESCRIPTION:
{{.Description}}
USAGE:
{{.HelpName}} {{if .VisibleFlags}}[FLAGS] {{end}}COMMAND{{if .VisibleFlags}}{{end}} [ARGS...]
COMMANDS:
{{range .VisibleCommands}}{{join .Names ", "}}{{ "\t" }}{{.Usage}}
{{end}}{{if .VisibleFlags}}
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}
VERSION:
` + Version +
`{{ "\n"}}`
func newApp(name string) *cli.App {
// Collection of minio commands currently supported are.
commands := []cli.Command{}
// Collection of minio commands currently supported in a trie tree.
commandsTree := trie.NewTrie()
// registerCommand registers a cli command.
registerCommand := func(command cli.Command) {
commands = append(commands, command)
commandsTree.Insert(command.Name)
}
findClosestCommands := func(command string) []string {
var closestCommands []string
for _, value := range commandsTree.PrefixMatch(command) {
closestCommands = append(closestCommands, value.(string))
}
sort.Strings(closestCommands)
// Suggest other close commands - allow missed, wrongly added and
// even transposed characters
for _, value := range commandsTree.Walk(commandsTree.Root()) {
if sort.SearchStrings(closestCommands, value.(string)) < len(closestCommands) {
continue
}
// 2 is arbitrary and represents the max
// allowed number of typed errors
if words.DamerauLevenshteinDistance(command, value.(string)) < 2 {
closestCommands = append(closestCommands, value.(string))
}
}
return closestCommands
}
// Register all commands.
registerCommand(serverCmd)
registerCommand(gatewayCmd)
registerCommand(updateCmd)
registerCommand(versionCmd)
// Set up app.
cli.HelpFlag = cli.BoolFlag{
Name: "help, h",
Usage: "Show help.",
}
app := cli.NewApp()
app.Name = name
app.Author = "Minio.io"
app.Version = Version
app.Usage = "Cloud Storage Server."
app.Description = `Minio is an Amazon S3 compatible object storage server. Use it to store photos, videos, VMs, containers, log files, or any blob of data as objects.`
app.Flags = globalFlags
app.HideVersion = true // Hide `--version` flag, we already have `minio version`.
app.HideHelpCommand = true // Hide `help, h` command, we already have `minio --help`.
app.Commands = commands
app.CustomAppHelpTemplate = minioHelpTemplate
app.CommandNotFound = func(ctx *cli.Context, command string) {
console.Printf("‘%s’ is not a minio sub-command. See ‘minio --help’.\n", command)
closestCommands := findClosestCommands(command)
if len(closestCommands) > 0 {
console.Println()
console.Println("Did you mean one of these?")
for _, cmd := range closestCommands {
console.Printf("\t‘%s’\n", cmd)
}
}
os.Exit(1)
}
return app
}
// Main main for minio server.
func Main(args []string) {
// Set the minio app name.
appName := filepath.Base(args[0])
// Run the app - exit on error.
if err := newApp(appName).Run(args); err != nil {
os.Exit(1)
}
}