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7d50361ca9
In a distributed setup that the server should not perform any operation on the storage layer after it is exported via RPC. e.g, cleaning up of temporary directories under .minio.sys/tmp may interfere with ongoing PUT objects being served by the distributed setup.
100 lines
2.7 KiB
Go
100 lines
2.7 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 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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"sync"
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"testing"
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)
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func TestHouseKeeping(t *testing.T) {
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fsDirs, err := getRandomDisks(8)
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if err != nil {
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t.Fatalf("Failed to create disks for storage layer <ERROR> %v", err)
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}
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defer removeRoots(fsDirs)
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noSpaceDirs, err := getRandomDisks(8)
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if err != nil {
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t.Fatalf("Failed to create disks for storage layer <ERROR> %v", err)
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}
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defer removeRoots(noSpaceDirs)
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properStorage := []StorageAPI{}
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for _, fs := range fsDirs {
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sd, err := newPosix(fs)
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if err != nil {
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t.Fatalf("Failed to create a local disk-based storage layer <ERROR> %v", err)
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}
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properStorage = append(properStorage, sd)
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}
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noSpaceBackend := []StorageAPI{}
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for _, noSpaceFS := range noSpaceDirs {
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sd, err := newPosix(noSpaceFS)
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if err != nil {
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t.Fatalf("Failed to create a local disk-based storage layer <ERROR> %v", err)
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}
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noSpaceBackend = append(noSpaceBackend, sd)
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}
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noSpaceStorage := prepareNErroredDisks(noSpaceBackend, 5, errDiskFull, t)
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// Create .minio.sys/tmp directory on all disks.
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wg := sync.WaitGroup{}
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errs := make([]error, len(properStorage))
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for i, store := range properStorage {
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wg.Add(1)
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go func(index int, store StorageAPI) {
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defer wg.Done()
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errs[index] = store.MakeVol(minioMetaBucket)
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if errs[index] != nil {
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return
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}
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errs[index] = store.MakeVol(pathJoin(minioMetaBucket, tmpMetaPrefix))
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if errs[index] != nil {
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return
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}
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errs[index] = store.AppendFile(pathJoin(minioMetaBucket, tmpMetaPrefix), "hello.txt", []byte("hello"))
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}(i, store)
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}
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wg.Wait()
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for i := range errs {
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if errs[i] != nil {
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t.Fatalf("Failed to create .minio.sys/tmp directory on disk %v <ERROR> %v",
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properStorage[i], errs[i])
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}
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}
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nilDiskStorage := []StorageAPI{nil, nil, nil, nil, nil, nil, nil, nil}
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testCases := []struct {
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store []StorageAPI
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expectedErr error
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}{
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{properStorage, nil},
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{noSpaceStorage, StorageFull{}},
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{nilDiskStorage, nil},
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}
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for i, test := range testCases {
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actualErr := errorCause(houseKeeping(test.store))
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if actualErr != test.expectedErr {
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t.Errorf("Test %d - actual error is %#v, expected error was %#v",
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i+1, actualErr, test.expectedErr)
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}
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}
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}
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