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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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20
cmd/event-notifier_test.go
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@@ -17,6 +17,7 @@
package cmd
import (
"bytes"
"fmt"
"net"
"reflect"
@@ -34,11 +35,11 @@ func TestInitEventNotifierFaultyDisks(t *testing.T) {
// remove the root directory after the test ends.
defer removeAll(rootPath)
disks, err := getRandomDisks(1)
disks, err := getRandomDisks(4)
if err != nil {
t.Fatal("Unable to create directories for FS backend. ", err)
}
defer removeAll(disks[0])
defer removeRoots(disks)
endpoints, err := parseStorageEndpoints(disks)
if err != nil {
t.Fatal(err)
@@ -53,8 +54,7 @@ func TestInitEventNotifierFaultyDisks(t *testing.T) {
t.Fatal("Unexpected error:", err)
}
fs := obj.(fsObjects)
fsstorage := fs.storage.(*retryStorage)
xl := obj.(*xlObjects)
listenARN := "arn:minio:sns:us-east-1:1:listen"
queueARN := "arn:minio:sqs:us-east-1:1:redis"
@@ -64,14 +64,18 @@ func TestInitEventNotifierFaultyDisks(t *testing.T) {
notificationXML += "<TopicConfiguration><Event>s3:ObjectRemoved:*</Event><Event>s3:ObjectRemoved:*</Event><Topic>" + listenARN + "</Topic></TopicConfiguration>"
notificationXML += "<QueueConfiguration><Event>s3:ObjectRemoved:*</Event><Event>s3:ObjectRemoved:*</Event><Queue>" + queueARN + "</Queue></QueueConfiguration>"
notificationXML += "</NotificationConfiguration>"
if err := fsstorage.AppendFile(minioMetaBucket, bucketConfigPrefix+"/"+bucketName+"/"+bucketNotificationConfig, []byte(notificationXML)); err != nil {
size := int64(len([]byte(notificationXML)))
reader := bytes.NewReader([]byte(notificationXML))
if _, err := xl.PutObject(minioMetaBucket, bucketConfigPrefix+"/"+bucketName+"/"+bucketNotificationConfig, size, reader, nil, ""); err != nil {
t.Fatal("Unexpected error:", err)
}
for i, d := range xl.storageDisks {
xl.storageDisks[i] = newNaughtyDisk(d.(*retryStorage), nil, errFaultyDisk)
}
// Test initEventNotifier() with faulty disks
for i := 1; i <= 3; i++ {
fs.storage = newNaughtyDisk(fsstorage, map[int]error{i: errFaultyDisk}, nil)
if err := initEventNotifier(fs); errorCause(err) != errFaultyDisk {
if err := initEventNotifier(xl); errorCause(err) != errFaultyDisk {
t.Fatal("Unexpected error:", err)
}
}
@@ -387,7 +391,7 @@ func TestInitEventNotifier(t *testing.T) {
}
// needed to load listener config from disk for testing (in
// single peer mode, the listener config is ingored, but here
// single peer mode, the listener config is ignored, but here
// we want to test the loading from disk too.)
globalIsDistXL = true