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103 lines
2.8 KiB
103 lines
2.8 KiB
/*
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* MinIO Cloud Storage, (C) 2017 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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"context"
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"os"
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"path/filepath"
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"testing"
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)
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// TestFSFormatFS - tests initFormatFS, formatMetaGetFormatBackendFS, formatFSGetVersion.
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func TestFSFormatFS(t *testing.T) {
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// Prepare for testing
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disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
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defer os.RemoveAll(disk)
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fsFormatPath := pathJoin(disk, minioMetaBucket, formatConfigFile)
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// Assign a new UUID.
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uuid := mustGetUUID()
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// Initialize meta volume, if volume already exists ignores it.
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if err := initMetaVolumeFS(disk, uuid); err != nil {
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t.Fatal(err)
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}
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rlk, err := initFormatFS(context.Background(), disk)
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if err != nil {
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t.Fatal(err)
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}
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rlk.Close()
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// Do the basic sanity checks to check if initFormatFS() did its job.
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f, err := os.OpenFile(fsFormatPath, os.O_RDWR, 0)
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if err != nil {
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t.Fatal(err)
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}
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defer f.Close()
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format, err := formatMetaGetFormatBackendFS(f)
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if err != nil {
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t.Fatal(err)
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}
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if format != formatBackendFS {
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t.Fatalf(`expected: %s, got: %s`, formatBackendFS, format)
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}
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version, err := formatFSGetVersion(f)
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if err != nil {
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t.Fatal(err)
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}
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if version != formatFSVersionV2 {
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t.Fatalf(`expected: %s, got: %s`, formatFSVersionV2, version)
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}
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// Corrupt the format.json file and test the functions.
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// formatMetaGetFormatBackendFS, formatFSGetVersion, initFormatFS should return errors.
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if err = f.Truncate(0); err != nil {
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t.Fatal(err)
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}
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if _, err = f.WriteString("b"); err != nil {
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t.Fatal(err)
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}
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if _, err = formatMetaGetFormatBackendFS(f); err == nil {
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t.Fatal("expected to fail")
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}
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if _, err = formatFSGetVersion(rlk); err == nil {
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t.Fatal("expected to fail")
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}
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if _, err = initFormatFS(context.Background(), disk); err == nil {
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t.Fatal("expected to fail")
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}
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// With unknown formatMetaV1.Version formatMetaGetFormatBackendFS, initFormatFS should return error.
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if err = f.Truncate(0); err != nil {
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t.Fatal(err)
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}
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// Here we set formatMetaV1.Version to "2"
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if _, err = f.WriteString(`{"version":"2","format":"fs","fs":{"version":"1"}}`); err != nil {
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t.Fatal(err)
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}
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if _, err = formatMetaGetFormatBackendFS(f); err == nil {
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t.Fatal("expected to fail")
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}
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if _, err = initFormatFS(context.Background(), disk); err == nil {
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t.Fatal("expected to fail")
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}
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}
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