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fix: enable xl.json to xl.meta only if legacy drive is found (#11255)

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another optimization is renameLegacyMetadata() never needs
to validate bucket with os.Stat() again, leading to reduction
in one extra syscall.
This commit is contained in:
Harshavardhana
2021-01-11 02:27:04 -08:00
committed by GitHub
parent e8176fe978
commit e4e117faab
4 changed files with 109 additions and 29 deletions
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85
cmd/xl-storage_test.go
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@@ -253,6 +253,91 @@ func TestXLStorageIsDirEmpty(t *testing.T) {
}
}
// TestXLStorageReadVersion - TestXLStorages the functionality implemented by xlStorage ReadVersion storage API.
func TestXLStorageReadVersion(t *testing.T) {
// create xlStorage test setup
xlStorage, path, err := newXLStorageTestSetup()
if err != nil {
t.Fatalf("Unable to create xlStorage test setup, %s", err)
}
defer os.RemoveAll(path)
xlMeta, _ := ioutil.ReadFile("testdata/xl.meta")
// Create files for the test cases.
if err = xlStorage.MakeVol(context.Background(), "exists"); err != nil {
t.Fatalf("Unable to create a volume \"exists\", %s", err)
}
if err = xlStorage.AppendFile(context.Background(), "exists", "as-directory/as-file/xl.meta", xlMeta); err != nil {
t.Fatalf("Unable to create a file \"as-directory/as-file\", %s", err)
}
if err = xlStorage.AppendFile(context.Background(), "exists", "as-file/xl.meta", xlMeta); err != nil {
t.Fatalf("Unable to create a file \"as-file\", %s", err)
}
if err = xlStorage.AppendFile(context.Background(), "exists", "as-file-parent/xl.meta", xlMeta); err != nil {
t.Fatalf("Unable to create a file \"as-file-parent\", %s", err)
}
// TestXLStoragecases to validate different conditions for ReadVersion API.
testCases := []struct {
volume string
path string
err error
}{
// TestXLStorage case - 1.
// Validate volume does not exist.
{
volume: "i-dont-exist",
path: "",
err: errVolumeNotFound,
},
// TestXLStorage case - 2.
// Validate bad condition file does not exist.
{
volume: "exists",
path: "as-file-not-found",
err: errFileNotFound,
},
// TestXLStorage case - 3.
// Validate bad condition file exists as prefix/directory and
// we are attempting to read it.
{
volume: "exists",
path: "as-directory",
err: errFileNotFound,
},
// TestXLStorage case - 4.
{
volume: "exists",
path: "as-file-parent/as-file",
err: errFileNotFound,
},
// TestXLStorage case - 5.
// Validate the good condition file exists and we are able to read it.
{
volume: "exists",
path: "as-file",
err: nil,
},
// TestXLStorage case - 6.
// TestXLStorage case with invalid volume name.
{
volume: "ab",
path: "as-file",
err: errVolumeNotFound,
},
}
// Run through all the test cases and validate for ReadVersion.
for i, testCase := range testCases {
_, err = xlStorage.ReadVersion(context.Background(), testCase.volume, testCase.path, "", false)
if err != testCase.err {
t.Fatalf("TestXLStorage %d: Expected err \"%s\", got err \"%s\"", i+1, testCase.err, err)
}
}
}
// TestXLStorageReadAll - TestXLStorages the functionality implemented by xlStorage ReadAll storage API.
func TestXLStorageReadAll(t *testing.T) {
// create xlStorage test setup