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538 lines
13 KiB
538 lines
13 KiB
/*
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* Minio Cloud Storage, (C) 2016, 2017, 2018, 2019 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"os"
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"runtime"
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"sync"
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"testing"
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"github.com/minio/dsync"
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)
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// Helper function to test equality of locks (without taking timing info into account)
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func testLockEquality(lriLeft, lriRight []lockRequesterInfo) bool {
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if len(lriLeft) != len(lriRight) {
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return false
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}
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for i := 0; i < len(lriLeft); i++ {
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if lriLeft[i].Writer != lriRight[i].Writer ||
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lriLeft[i].Node != lriRight[i].Node ||
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lriLeft[i].ServiceEndpoint != lriRight[i].ServiceEndpoint ||
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lriLeft[i].UID != lriRight[i].UID {
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return false
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}
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}
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return true
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}
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// Helper function to create a lock server for testing
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func createLockTestServer(t *testing.T) (string, *lockRPCReceiver, string) {
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obj, fsDir, err := prepareFS()
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if err != nil {
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t.Fatal(err)
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}
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if err = newTestConfig(globalMinioDefaultRegion, obj); err != nil {
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t.Fatalf("unable initialize config file, %s", err)
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}
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locker := &lockRPCReceiver{
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ll: localLocker{
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mutex: sync.Mutex{},
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serviceEndpoint: "rpc-path",
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lockMap: make(map[string][]lockRequesterInfo),
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},
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}
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creds := globalServerConfig.GetCredential()
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token, err := authenticateNode(creds.AccessKey, creds.SecretKey)
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if err != nil {
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t.Fatal(err)
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}
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return fsDir, locker, token
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}
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// Test Lock functionality
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func TestLockRpcServerLock(t *testing.T) {
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testPath, locker, token := createLockTestServer(t)
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defer os.RemoveAll(testPath)
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la := LockArgs{
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AuthArgs: AuthArgs{
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Token: token,
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RPCVersion: globalRPCAPIVersion,
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RequestTime: UTCNow(),
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},
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LockArgs: dsync.LockArgs{
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UID: "0123-4567",
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Resource: "name",
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ServerAddr: "node",
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ServiceEndpoint: "rpc-path",
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}}
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// Claim a lock
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var result bool
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err := locker.Lock(&la, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else {
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if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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} else {
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gotLri := locker.ll.lockMap["name"]
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expectedLri := []lockRequesterInfo{
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{
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Writer: true,
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Node: "node",
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ServiceEndpoint: "rpc-path",
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UID: "0123-4567",
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},
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}
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if !testLockEquality(expectedLri, gotLri) {
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t.Errorf("Expected %#v, got %#v", expectedLri, gotLri)
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}
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}
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}
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// Try to claim same lock again (will fail)
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la2 := LockArgs{
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AuthArgs: AuthArgs{
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Token: token,
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RPCVersion: globalRPCAPIVersion,
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RequestTime: UTCNow(),
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},
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LockArgs: dsync.LockArgs{
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UID: "89ab-cdef",
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Resource: "name",
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ServerAddr: "node",
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ServiceEndpoint: "rpc-path",
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}}
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err = locker.Lock(&la2, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else {
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if result {
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t.Errorf("Expected %#v, got %#v", false, result)
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}
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}
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}
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// Test Unlock functionality
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func TestLockRpcServerUnlock(t *testing.T) {
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testPath, locker, token := createLockTestServer(t)
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defer os.RemoveAll(testPath)
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la := LockArgs{
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AuthArgs: AuthArgs{
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Token: token,
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RPCVersion: globalRPCAPIVersion,
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RequestTime: UTCNow(),
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},
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LockArgs: dsync.LockArgs{
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UID: "0123-4567",
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Resource: "name",
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ServerAddr: "node",
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ServiceEndpoint: "rpc-path",
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}}
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// First test return of error when attempting to unlock a lock that does not exist
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var result bool
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err := locker.Unlock(&la, &result)
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if err == nil {
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t.Errorf("Expected error, got %#v", nil)
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}
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// Create lock (so that we can release)
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err = locker.Lock(&la, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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}
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// Finally test successful release of lock
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err = locker.Unlock(&la, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else {
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if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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} else {
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gotLri := locker.ll.lockMap["name"]
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expectedLri := []lockRequesterInfo(nil)
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if !testLockEquality(expectedLri, gotLri) {
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t.Errorf("Expected %#v, got %#v", expectedLri, gotLri)
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}
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}
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}
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}
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// Test RLock functionality
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func TestLockRpcServerRLock(t *testing.T) {
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testPath, locker, token := createLockTestServer(t)
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defer os.RemoveAll(testPath)
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la := LockArgs{
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AuthArgs: AuthArgs{
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Token: token,
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RPCVersion: globalRPCAPIVersion,
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RequestTime: UTCNow(),
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},
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LockArgs: dsync.LockArgs{
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UID: "0123-4567",
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Resource: "name",
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ServerAddr: "node",
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ServiceEndpoint: "rpc-path",
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}}
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// Claim a lock
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var result bool
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err := locker.RLock(&la, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else {
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if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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} else {
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gotLri := locker.ll.lockMap["name"]
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expectedLri := []lockRequesterInfo{
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{
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Writer: false,
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Node: "node",
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ServiceEndpoint: "rpc-path",
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UID: "0123-4567",
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},
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}
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if !testLockEquality(expectedLri, gotLri) {
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t.Errorf("Expected %#v, got %#v", expectedLri, gotLri)
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}
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}
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}
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// Try to claim same again (will succeed)
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la2 := LockArgs{
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AuthArgs: AuthArgs{
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Token: token,
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RPCVersion: globalRPCAPIVersion,
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RequestTime: UTCNow(),
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},
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LockArgs: dsync.LockArgs{
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UID: "89ab-cdef",
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Resource: "name",
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ServerAddr: "node",
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ServiceEndpoint: "rpc-path",
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}}
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err = locker.RLock(&la2, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else {
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if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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}
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}
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}
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// Test RUnlock functionality
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func TestLockRpcServerRUnlock(t *testing.T) {
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testPath, locker, token := createLockTestServer(t)
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defer os.RemoveAll(testPath)
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la := LockArgs{
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AuthArgs: AuthArgs{
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Token: token,
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RPCVersion: globalRPCAPIVersion,
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RequestTime: UTCNow(),
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},
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LockArgs: dsync.LockArgs{
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UID: "0123-4567",
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Resource: "name",
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ServerAddr: "node",
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ServiceEndpoint: "rpc-path",
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}}
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// First test return of error when attempting to unlock a read-lock that does not exist
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var result bool
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err := locker.Unlock(&la, &result)
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if err == nil {
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t.Errorf("Expected error, got %#v", nil)
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}
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// Create first lock ... (so that we can release)
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err = locker.RLock(&la, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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}
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// Try to claim same again (will succeed)
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la2 := LockArgs{
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AuthArgs: AuthArgs{
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Token: token,
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RPCVersion: globalRPCAPIVersion,
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RequestTime: UTCNow(),
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},
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LockArgs: dsync.LockArgs{
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UID: "89ab-cdef",
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Resource: "name",
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ServerAddr: "node",
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ServiceEndpoint: "rpc-path",
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}}
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// ... and create a second lock on same resource
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err = locker.RLock(&la2, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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}
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// Test successful release of first read lock
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err = locker.RUnlock(&la, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else {
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if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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} else {
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gotLri := locker.ll.lockMap["name"]
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expectedLri := []lockRequesterInfo{
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{
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Writer: false,
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Node: "node",
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ServiceEndpoint: "rpc-path",
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UID: "89ab-cdef",
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},
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}
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if !testLockEquality(expectedLri, gotLri) {
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t.Errorf("Expected %#v, got %#v", expectedLri, gotLri)
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}
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}
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}
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// Finally test successful release of second (and last) read lock
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err = locker.RUnlock(&la2, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else {
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if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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} else {
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gotLri := locker.ll.lockMap["name"]
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expectedLri := []lockRequesterInfo(nil)
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if !testLockEquality(expectedLri, gotLri) {
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t.Errorf("Expected %#v, got %#v", expectedLri, gotLri)
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}
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}
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}
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}
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// Test ForceUnlock functionality
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func TestLockRpcServerForceUnlock(t *testing.T) {
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testPath, locker, token := createLockTestServer(t)
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defer os.RemoveAll(testPath)
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laForce := LockArgs{
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AuthArgs: AuthArgs{
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Token: token,
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RPCVersion: globalRPCAPIVersion,
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RequestTime: UTCNow(),
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},
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LockArgs: dsync.LockArgs{
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UID: "1234-5678",
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Resource: "name",
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ServerAddr: "node",
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ServiceEndpoint: "rpc-path",
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}}
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// First test that UID should be empty
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var result bool
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err := locker.ForceUnlock(&laForce, &result)
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if err == nil {
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t.Errorf("Expected error, got %#v", nil)
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}
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// Then test force unlock of a lock that does not exist (not returning an error)
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laForce.LockArgs.UID = ""
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err = locker.ForceUnlock(&laForce, &result)
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if err != nil {
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t.Errorf("Expected no error, got %#v", err)
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}
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la := LockArgs{
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AuthArgs: AuthArgs{
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Token: token,
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RPCVersion: globalRPCAPIVersion,
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RequestTime: UTCNow(),
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},
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LockArgs: dsync.LockArgs{
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UID: "0123-4567",
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Resource: "name",
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ServerAddr: "node",
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ServiceEndpoint: "rpc-path",
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}}
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// Create lock ... (so that we can force unlock)
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err = locker.Lock(&la, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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}
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// Forcefully unlock the lock (not returning an error)
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err = locker.ForceUnlock(&laForce, &result)
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if err != nil {
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t.Errorf("Expected no error, got %#v", err)
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}
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// Try to get lock again (should be granted)
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err = locker.Lock(&la, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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}
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// Finally forcefully unlock the lock once again
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err = locker.ForceUnlock(&laForce, &result)
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if err != nil {
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t.Errorf("Expected no error, got %#v", err)
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}
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}
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// Test Expired functionality
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func TestLockRpcServerExpired(t *testing.T) {
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testPath, locker, token := createLockTestServer(t)
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defer os.RemoveAll(testPath)
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la := LockArgs{
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AuthArgs: AuthArgs{
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Token: token,
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RPCVersion: globalRPCAPIVersion,
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RequestTime: UTCNow(),
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},
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LockArgs: dsync.LockArgs{
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UID: "0123-4567",
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Resource: "name",
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ServerAddr: "node",
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ServiceEndpoint: "rpc-path",
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}}
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// Unknown lock at server will return expired = true
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var expired bool
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err := locker.Expired(&la, &expired)
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if err != nil {
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t.Errorf("Expected no error, got %#v", err)
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} else {
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if !expired {
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t.Errorf("Expected %#v, got %#v", true, expired)
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}
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}
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// Create lock (so that we can test that it is not expired)
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var result bool
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err = locker.Lock(&la, &result)
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if err != nil {
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t.Errorf("Expected %#v, got %#v", nil, err)
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} else if !result {
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t.Errorf("Expected %#v, got %#v", true, result)
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}
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err = locker.Expired(&la, &expired)
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if err != nil {
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t.Errorf("Expected no error, got %#v", err)
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} else {
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if expired {
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t.Errorf("Expected %#v, got %#v", false, expired)
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}
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}
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}
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// Test initialization of lock server.
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func TestLockServerInit(t *testing.T) {
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if runtime.GOOS == globalWindowsOSName {
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return
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}
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obj, fsDir, err := prepareFS()
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(fsDir)
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if err = newTestConfig(globalMinioDefaultRegion, obj); err != nil {
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t.Fatalf("unable initialize config file, %s", err)
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}
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currentIsDistXL := globalIsDistXL
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currentLockServer := globalLockServer
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defer func() {
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globalIsDistXL = currentIsDistXL
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globalLockServer = currentLockServer
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}()
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case1Endpoints := mustGetNewEndpointList(
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"http://localhost:9000/mnt/disk1",
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"http://1.1.1.2:9000/mnt/disk2",
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"http://1.1.2.1:9000/mnt/disk3",
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"http://1.1.2.2:9000/mnt/disk4",
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)
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for i := range case1Endpoints {
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if case1Endpoints[i].Host == "localhost:9000" {
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case1Endpoints[i].IsLocal = true
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}
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}
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case2Endpoints := mustGetNewEndpointList(
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"http://localhost:9000/mnt/disk1",
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"http://localhost:9000/mnt/disk2",
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"http://1.1.2.1:9000/mnt/disk3",
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"http://1.1.2.2:9000/mnt/disk4",
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)
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for i := range case2Endpoints {
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if case2Endpoints[i].Host == "localhost:9000" {
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case2Endpoints[i].IsLocal = true
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}
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}
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globalMinioHost = ""
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testCases := []struct {
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isDistXL bool
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endpoints EndpointList
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}{
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// Test - 1 one lock server initialized.
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{true, case1Endpoints},
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// Test - similar endpoint hosts should
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// converge to single lock server
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// initialized.
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{true, case2Endpoints},
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}
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|
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// Validates lock server initialization.
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for i, testCase := range testCases {
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globalIsDistXL = testCase.isDistXL
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globalLockServer = nil
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_, _ = newDsyncNodes(testCase.endpoints)
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if globalLockServer == nil && testCase.isDistXL {
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t.Errorf("Test %d: Expected initialized lock RPC receiver, but got uninitialized", i+1)
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}
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}
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}
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