minio/cmd/prepare-storage_test.go

200 lines
6.4 KiB
Go

/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"os"
"testing"
)
func (action InitActions) String() string {
switch action {
case InitObjectLayer:
return "InitObjectLayer"
case FormatDisks:
return "FormatDisks"
case WaitForFormatting:
return "WaitForFormatting"
case SuggestToHeal:
return "SuggestToHeal"
case WaitForAll:
return "WaitForAll"
case WaitForQuorum:
return "WaitForQuorum"
case WaitForConfig:
return "WaitForConfig"
case Abort:
return "Abort"
default:
return "Unknown"
}
}
func TestReduceInitXLErrs(t *testing.T) {
_, fsDirs, err := prepareXL(4)
if err != nil {
t.Fatalf("Unable to initialize 'XL' object layer.")
}
// Remove all dirs.
for _, dir := range fsDirs {
defer os.RemoveAll(dir)
}
storageDisks, err := initStorageDisks(mustGetNewEndpointList(fsDirs...))
if err != nil {
t.Fatal("Unexpected error: ", err)
}
testCases := []struct {
sErrs []error
expectedErr string
}{
{[]error{nil, nil, nil, nil}, ""},
{[]error{errUnformattedDisk, nil, nil, nil}, "\n[01/04] " + storageDisks[0].String() + " : unformatted disk found"},
{[]error{errUnformattedDisk, errUnformattedDisk, nil, nil}, "\n[01/04] " + storageDisks[0].String() + " : unformatted disk found" + "\n[02/04] " + storageDisks[1].String() + " : unformatted disk found"},
{[]error{errUnformattedDisk, errUnformattedDisk, errServerVersionMismatch, nil}, storageDisks[2].String() + ": Server versions do not match"},
}
for i, test := range testCases {
actual := reduceInitXLErrs(storageDisks, test.sErrs)
if test.expectedErr == "" && actual != nil {
t.Errorf("Test %d expected no error but received `%s`", i+1, actual.Error())
}
if test.expectedErr != "" && actual.Error() != test.expectedErr {
t.Errorf("Test %d expected `%s` but received `%s`", i+1, test.expectedErr, actual.Error())
}
}
}
func TestPrepForInitXL(t *testing.T) {
// All disks are unformatted, a fresh setup.
allUnformatted := []error{
errUnformattedDisk, errUnformattedDisk, errUnformattedDisk, errUnformattedDisk,
errUnformattedDisk, errUnformattedDisk, errUnformattedDisk, errUnformattedDisk,
}
// All disks are formatted, possible restart of a node in a formatted setup.
allFormatted := []error{
nil, nil, nil, nil,
nil, nil, nil, nil,
}
// Quorum number of disks are formatted and rest are offline.
quorumFormatted := []error{
nil, nil, nil, nil,
nil, errDiskNotFound, errDiskNotFound, errDiskNotFound,
}
// Minority disks are corrupted, can be healed.
minorityCorrupted := []error{
errCorruptedFormat, errCorruptedFormat, errCorruptedFormat, nil,
nil, nil, nil, nil,
}
// Majority disks are corrupted, pretty bad setup.
majorityCorrupted := []error{
errCorruptedFormat, errCorruptedFormat, errCorruptedFormat, errCorruptedFormat,
errCorruptedFormat, nil, nil, nil,
}
// Quorum disks are unformatted, remaining yet to come online.
quorumUnformatted := []error{
errUnformattedDisk, errUnformattedDisk, errUnformattedDisk, errUnformattedDisk,
errUnformattedDisk, errDiskNotFound, errDiskNotFound, errDiskNotFound,
}
quorumUnformattedSomeCorrupted := []error{
errUnformattedDisk, errUnformattedDisk, errUnformattedDisk, errUnformattedDisk,
errUnformattedDisk, errCorruptedFormat, errCorruptedFormat, errDiskNotFound,
}
// Quorum number of disks not online yet.
noQuourm := []error{
errDiskNotFound, errDiskNotFound, errDiskNotFound, errDiskNotFound,
errDiskNotFound, nil, nil, nil,
}
// Invalid access key id.
accessKeyIDErr := []error{
errInvalidAccessKeyID, nil, nil, nil,
nil, nil, nil, nil,
}
// Authentication error.
authenticationErr := []error{
nil, nil, nil, nil,
errAuthentication, nil, nil, nil,
}
// Server version mismatch.
serverVersionMismatch := []error{
errServerVersionMismatch, nil, nil, nil,
errServerVersionMismatch, nil, nil, nil,
}
// Server time mismatch.
serverTimeMismatch := []error{
nil, nil, nil, nil,
errServerTimeMismatch, nil, nil, nil,
}
// Suggest to heal under formatted disks in quorum.
formattedDisksInQuorum := []error{
nil, nil, nil, nil,
errUnformattedDisk, errUnformattedDisk, errDiskNotFound, errDiskNotFound,
}
// Wait for all under undecisive state.
undecisiveErrs1 := []error{
errDiskNotFound, nil, nil, nil,
errUnformattedDisk, errUnformattedDisk, errDiskNotFound, errDiskNotFound,
}
undecisiveErrs2 := []error{
errDiskNotFound, errDiskNotFound, errDiskNotFound, errDiskNotFound,
errUnformattedDisk, errUnformattedDisk, errUnformattedDisk, errUnformattedDisk,
}
testCases := []struct {
// Params for prepForInit().
firstDisk bool
errs []error
diskCount int
action InitActions
}{
// Local disks.
{true, allFormatted, 8, InitObjectLayer},
{true, quorumFormatted, 8, InitObjectLayer},
{true, allUnformatted, 8, FormatDisks},
{true, quorumUnformatted, 8, WaitForAll},
{true, quorumUnformattedSomeCorrupted, 8, Abort},
{true, noQuourm, 8, WaitForQuorum},
{true, minorityCorrupted, 8, SuggestToHeal},
{true, majorityCorrupted, 8, Abort},
// Remote disks.
{false, allFormatted, 8, InitObjectLayer},
{false, quorumFormatted, 8, InitObjectLayer},
{false, allUnformatted, 8, WaitForFormatting},
{false, quorumUnformatted, 8, WaitForAll},
{false, quorumUnformattedSomeCorrupted, 8, Abort},
{false, noQuourm, 8, WaitForQuorum},
{false, minorityCorrupted, 8, SuggestToHeal},
{false, formattedDisksInQuorum, 8, SuggestToHeal},
{false, majorityCorrupted, 8, Abort},
{false, undecisiveErrs1, 8, WaitForAll},
{false, undecisiveErrs2, 8, WaitForAll},
// Config mistakes.
{true, accessKeyIDErr, 8, WaitForConfig},
{true, authenticationErr, 8, WaitForConfig},
{true, serverVersionMismatch, 8, WaitForConfig},
{true, serverTimeMismatch, 8, WaitForConfig},
}
for i, test := range testCases {
actual := prepForInitXL(test.firstDisk, test.errs, test.diskCount)
if actual != test.action {
t.Errorf("Test %d expected %s but received %s\n", i+1, test.action, actual)
}
}
}