Add json config reader/writer

master
Harshavardhana 10 years ago
parent c26b6f3d76
commit b1db70c807
  1. 97
      pkg/utils/config/config.go
  2. 46
      pkg/utils/config/config_test.go

@ -0,0 +1,97 @@
package config
import (
"encoding/json"
"os"
"path"
"sync"
"github.com/minio-io/minio/pkg/utils/helpers"
)
type Config struct {
configPath string
configFile string
configLock *sync.RWMutex
Users map[string]User
}
type User struct {
Name string
AccessKey string
SecretKey string
}
func (c *Config) SetupConfig() error {
confPath := path.Join(helpers.HomeDir(), ".minio")
if err := os.MkdirAll(confPath, os.ModeDir); err != nil {
return err
}
c.configPath = confPath
c.configFile = path.Join(c.configPath, "config.json")
if _, err := os.Stat(c.configFile); os.IsNotExist(err) {
_, err = os.Create(c.configFile)
if err != nil {
return err
}
}
c.configLock = new(sync.RWMutex)
return nil
}
func (c *Config) GetConfigPath() string {
return c.configPath
}
func (c *Config) AddUser(user User) {
var currentUsers map[string]User
if len(c.Users) == 0 {
currentUsers = make(map[string]User)
} else {
currentUsers = c.Users
}
currentUsers[user.AccessKey] = user
c.Users = currentUsers
}
func (c *Config) WriteConfig() error {
var file *os.File
var err error
c.configLock.Lock()
defer c.configLock.Unlock()
file, err = os.OpenFile(c.configFile, os.O_WRONLY, 0666)
defer file.Close()
if err != nil {
return err
}
encoder := json.NewEncoder(file)
encoder.Encode(c.Users)
return nil
}
func (c *Config) ReadConfig() error {
var file *os.File
var err error
c.configLock.RLock()
defer c.configLock.RUnlock()
file, err = os.OpenFile(c.configFile, os.O_RDONLY, 0666)
defer file.Close()
if err != nil {
return err
}
users := make(map[string]User)
decoder := json.NewDecoder(file)
err = decoder.Decode(&users)
if err != nil {
return err
}
c.Users = users
return nil
}

@ -0,0 +1,46 @@
package config
import (
"testing"
"github.com/minio-io/minio/pkg/utils/crypto/keys"
. "gopkg.in/check.v1"
)
type MySuite struct{}
var _ = Suite(&MySuite{})
func Test(t *testing.T) { TestingT(t) }
func (s *MySuite) TestConfig(c *C) {
conf := Config{}
conf.SetupConfig()
accesskey, _ := keys.GetRandomAlphaNumeric(keys.MINIO_ACCESS_ID)
secretkey, _ := keys.GetRandomBase64(keys.MINIO_SECRET_ID)
user := User{
Name: "gnubot",
AccessKey: string(accesskey),
SecretKey: string(secretkey),
}
conf.AddUser(user)
err := conf.WriteConfig()
c.Assert(err, IsNil)
err = conf.ReadConfig()
c.Assert(err, IsNil)
accesskey, _ = keys.GetRandomAlphaNumeric(keys.MINIO_ACCESS_ID)
secretkey, _ = keys.GetRandomBase64(keys.MINIO_SECRET_ID)
user = User{
Name: "minio",
AccessKey: string(accesskey),
SecretKey: string(secretkey),
}
conf.AddUser(user)
err = conf.WriteConfig()
c.Assert(err, IsNil)
}
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