// Start a single disk subsystem
func Start(paths []string) (chan<- string, <-chan error, drivers.Driver) {
ctrlChannel := make(chan string)
errorChannel := make(chan error)
// Soon to be user configurable, when Management API is available
// we should remove "default" to something which is passed down
// from configuration paramters
var d donut.Donut
var err error
if len(paths) == 1 {
d, err = donut.NewDonut("default", createNodeDiskMap(paths[0]))
if err != nil {
err = iodine.New(err, nil)
log.Error.Println(err)
}
} else {
d, err = donut.NewDonut("default", createNodeDiskMapFromSlice(paths))
if err != nil {
err = iodine.New(err, nil)
log.Error.Println(err)
}
}
s := new(donutDriver)
s.donut = d
s.paths = paths
go start(ctrlChannel, errorChannel, s)
return ctrlChannel, errorChannel, s
}
func initialize(d *donutDriver) error {
// Soon to be user configurable, when Management API is available
// we should remove "default" to something which is passed down
// from configuration paramters
var err error
d.donut, err = donut.NewDonut("default", createNodeDiskMap(d.paths))
if err != nil {
return iodine.New(err, nil)
}
buckets, err := d.donut.ListBuckets()
if err != nil {
return iodine.New(err, nil)
}
for bucketName, metadata := range buckets {
d.lock.RLock()
storedBucket := d.storedBuckets[bucketName]
d.lock.RUnlock()
if len(storedBucket.multiPartSession) == 0 {
storedBucket.multiPartSession = make(map[string]multiPartSession)
}
if len(storedBucket.objectMetadata) == 0 {
storedBucket.objectMetadata = make(map[string]drivers.ObjectMetadata)
}
if len(storedBucket.partMetadata) == 0 {
storedBucket.partMetadata = make(map[string]drivers.PartMetadata)
}
storedBucket.bucketMetadata = drivers.BucketMetadata{
Name: metadata.Name,
Created: metadata.Created,
ACL: drivers.BucketACL(metadata.ACL),
}
d.lock.Lock()
d.storedBuckets[bucketName] = storedBucket
d.lock.Unlock()
}
return nil
}