-
Notifications
You must be signed in to change notification settings - Fork 13
/
root.go
188 lines (158 loc) · 5.89 KB
/
root.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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
/*
Copyright © 2020 FairOS 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 cmd
import (
"fmt"
"os"
"path/filepath"
"github.com/mitchellh/go-homedir"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var (
// FOR MIGRATION PURPOSE ONLY
defaultDir = filepath.Join(".fairOS", "dfs")
defaultConfig = ".dfs.yaml"
cfgFile string
beeApi string
verbosity string
config = viper.New()
// FOR MIGRATION PURPOSE ONLY
dataDir string
dataDirPath string
)
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "dfs",
Short: "Decentralised file system over Swarm(https://ethswarm.org/)",
Long: `dfs is the file system layer of fairOS. It is a thin layer over Swarm.
It adds features to Swarm that is required by the fairOS to parallelize computation of data.
It manages the metadata of directories and files created and expose them to higher layers.
It can also be used as a standalone personal, decentralised drive over the internet`,
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
if err := config.BindPFlag(optionBeeApi, cmd.Flags().Lookup("beeApi")); err != nil {
return err
}
if err := config.BindPFlag(optionVerbosity, cmd.Flags().Lookup("verbosity")); err != nil {
return err
}
beeApi = config.GetString(optionBeeApi)
verbosity = config.GetString(optionVerbosity)
// FOR MIGRATION PURPOSE ONLY
if err := config.BindPFlag(optionDFSDataDir, cmd.Flags().Lookup("dataDir")); err != nil {
return err
}
dataDir = config.GetString(optionDFSDataDir)
return nil
},
}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
fairOSdfs := `
/$$$$$$ /$$ /$$$$$$ /$$$$$$ /$$ /$$$$$$
/$$__ $$ |__/ /$$__ $$ /$$__ $$ | $$ /$$__ $$
| $$ \__//$$$$$$ /$$ /$$$$$$ | $$ \ $$| $$ \__/ /$$$$$$$| $$ \__//$$$$$$$
| $$$$ |____ $$| $$ /$$__ $$| $$ | $$| $$$$$$ /$$$$$$ /$$__ $$| $$$$ /$$_____/
| $$_/ /$$$$$$$| $$| $$ \__/| $$ | $$ \____ $$|______/| $$ | $$| $$_/ | $$$$$$
| $$ /$$__ $$| $$| $$ | $$ | $$ /$$ \ $$ | $$ | $$| $$ \____ $$
| $$ | $$$$$$$| $$| $$ | $$$$$$/| $$$$$$/ | $$$$$$$| $$ /$$$$$$$/
|__/ \_______/|__/|__/ \______/ \______/ \_______/|__/ |_______/`
fmt.Println(fairOSdfs)
if err := rootCmd.Execute(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func init() {
cobra.OnInitialize(initConfig)
home, err := homedir.Dir()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
configPath := filepath.Join(home, defaultConfig)
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", configPath, "config file")
rootCmd.PersistentFlags().String("beeApi", "localhost:1633", "full bee api endpoint")
rootCmd.PersistentFlags().String("verbosity", "trace", "verbosity level")
rootCmd.PersistentFlags().String("beeDebugApi", "localhost:1635", "full bee debug api endpoint")
rootCmd.PersistentFlags().String("beeHost", "127.0.0.1", "bee host")
rootCmd.PersistentFlags().String("beePort", "1633", "bee port")
if err := rootCmd.PersistentFlags().MarkDeprecated("beeDebugApi", "using debugAPI is not supported in fairOS-dfs server anymore"); err != nil {
fmt.Println(err)
os.Exit(1)
}
if err := rootCmd.PersistentFlags().MarkDeprecated("beeHost", "run --beeApi, full bee api endpoint"); err != nil {
fmt.Println(err)
os.Exit(1)
}
if err := rootCmd.PersistentFlags().MarkDeprecated("beePort", "run --beeApi, full bee api endpoint"); err != nil {
fmt.Println(err)
os.Exit(1)
}
// FOR MIGRATION PURPOSE ONLY
dataDirPath = filepath.Join(home, defaultDir)
rootCmd.PersistentFlags().String("dataDir", "dataDirPath", "store data in this dir")
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" {
// check file stat
if _, err := os.Stat(cfgFile); err != nil {
// if there is no configFile, write it
writeConfig()
}
// Use config file from the flag.
config.SetConfigFile(cfgFile)
} else {
// Find home dir.
home, err := homedir.Dir()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// check file stat
cfgFile = filepath.Join(home, defaultConfig)
if _, err := os.Stat(cfgFile); err != nil {
// if there is no configFile, write it
writeConfig()
}
config.SetConfigFile(cfgFile)
}
config.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in.
if err := config.ReadInConfig(); err != nil {
fmt.Println("config file not found")
os.Exit(1)
}
}
func writeConfig() {
c := viper.New()
c.Set(optionCORSAllowedOrigins, defaultCORSAllowedOrigins)
c.Set(optionDFSHttpPort, defaultDFSHttpPort)
c.Set(optionDFSPprofPort, defaultDFSPprofPort)
c.Set(optionVerbosity, defaultVerbosity)
c.Set(optionBeeApi, defaultBeeApi)
c.Set(optionBeePostageBatchId, "")
c.Set(optionCookieDomain, defaultCookieDomain)
c.Set(optionIsGatewayProxy, defaultIsGatewayProxy)
// FOR MIGRATION PURPOSE ONLY
c.Set(optionDFSDataDir, dataDirPath)
if err := c.WriteConfigAs(cfgFile); err != nil {
fmt.Println("failed to write config file")
os.Exit(1)
}
}