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fs: Re-implement object layer to remember the fd (#3509)

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This patch re-writes FS backend to support shared backend sharing locks for safe concurrent access across multiple servers.
This commit is contained in:
Harshavardhana
2017-01-16 17:05:00 -08:00
committed by GitHub
parent a054c73e22
commit 1c699d8d3f
68 changed files with 3860 additions and 1580 deletions
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cmd/fs-v1-multipart-common_test.go
+5 -60
View File
@@ -19,53 +19,8 @@ package cmd
import (
"path/filepath"
"testing"
"time"
)
// TestFSIsUploadExists - complete test with valid and invalid cases
func TestFSIsUploadExists(t *testing.T) {
// Prepare for testing
disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
defer removeAll(disk)
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
objectName := "object"
if err := obj.MakeBucket(bucketName); err != nil {
t.Fatal("Unexpected err: ", err)
}
uploadID, err := obj.NewMultipartUpload(bucketName, objectName, nil)
if err != nil {
t.Fatal("Unexpected err: ", err)
}
// Test with valid upload id
if exists := fs.isUploadIDExists(bucketName, objectName, uploadID); !exists {
t.Fatal("Wrong result, expected: ", exists)
}
// Test with inexistant bucket/object names
if exists := fs.isUploadIDExists("bucketfoo", "objectfoo", uploadID); exists {
t.Fatal("Wrong result, expected: ", !exists)
}
// Test with inexistant upload ID
if exists := fs.isUploadIDExists(bucketName, objectName, uploadID+"-ff"); exists {
t.Fatal("Wrong result, expected: ", !exists)
}
// isUploadIdExists with a faulty disk should return false
fsStorage := fs.storage.(*retryStorage)
naughty := newNaughtyDisk(fsStorage, nil, errFaultyDisk)
fs.storage = naughty
if exists := fs.isUploadIDExists(bucketName, objectName, uploadID); exists {
t.Fatal("Wrong result, expected: ", !exists)
}
}
// TestFSWriteUploadJSON - tests for writeUploadJSON for FS
func TestFSWriteUploadJSON(t *testing.T) {
// Prepare for tests
@@ -73,31 +28,21 @@ func TestFSWriteUploadJSON(t *testing.T) {
defer removeAll(disk)
obj := initFSObjects(disk, t)
fs := obj.(fsObjects)
bucketName := "bucket"
objectName := "object"
obj.MakeBucket(bucketName)
uploadID, err := obj.NewMultipartUpload(bucketName, objectName, nil)
_, err := obj.NewMultipartUpload(bucketName, objectName, nil)
if err != nil {
t.Fatal("Unexpected err: ", err)
}
// newMultipartUpload will fail.
removeAll(disk) // Remove disk.
_, err = obj.NewMultipartUpload(bucketName, objectName, nil)
if err != nil {
t.Fatal("Unexpected err: ", err)
}
if err := fs.addUploadID(bucketName, objectName, uploadID, time.Now().UTC()); err != nil {
t.Fatal("Unexpected err: ", err)
}
// isUploadIdExists with a faulty disk should return false
fsStorage := fs.storage.(*retryStorage)
for i := 1; i <= 3; i++ {
naughty := newNaughtyDisk(fsStorage, map[int]error{i: errFaultyDisk}, nil)
fs.storage = naughty
if err := fs.addUploadID(bucketName, objectName, uploadID, time.Now().UTC()); errorCause(err) != errFaultyDisk {
if _, ok := errorCause(err).(BucketNotFound); !ok {
t.Fatal("Unexpected err: ", err)
}
}