418 lines
9.9 KiB
Go
418 lines
9.9 KiB
Go
// Copyright 2019 Sorint.lab
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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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package datamanager
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import (
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"context"
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"fmt"
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"io/ioutil"
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"os"
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"testing"
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"time"
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slog "github.com/sorintlab/agola/internal/log"
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"github.com/sorintlab/agola/internal/objectstorage"
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"github.com/sorintlab/agola/internal/testutil"
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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)
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var level = zap.NewAtomicLevelAt(zapcore.InfoLevel)
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var logger = slog.New(level)
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var log = logger.Sugar()
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func setupEtcd(t *testing.T, dir string) *testutil.TestEmbeddedEtcd {
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tetcd, err := testutil.NewTestEmbeddedEtcd(t, logger, dir)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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if err := tetcd.Start(); err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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if err := tetcd.WaitUp(30 * time.Second); err != nil {
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t.Fatalf("error waiting on store up: %v", err)
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}
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return tetcd
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}
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func shutdownEtcd(tetcd *testutil.TestEmbeddedEtcd) {
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if tetcd.Etcd != nil {
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tetcd.Kill()
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}
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}
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type noopCheckpointer struct {
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}
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func (c *noopCheckpointer) Checkpoint(ctx context.Context, action *Action) error {
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return nil
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}
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func TestEtcdReset(t *testing.T) {
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dir, err := ioutil.TempDir("", "agola")
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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defer os.RemoveAll(dir)
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etcdDir, err := ioutil.TempDir(dir, "etcd")
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tetcd := setupEtcd(t, etcdDir)
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defer shutdownEtcd(tetcd)
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ctx, cancel := context.WithCancel(context.Background())
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ostDir, err := ioutil.TempDir(dir, "ost")
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ost, err := objectstorage.NewPosixStorage(ostDir)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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dmConfig := &DataManagerConfig{
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BasePath: "basepath",
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E: tetcd.TestEtcd.Store,
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OST: objectstorage.NewObjStorage(ost, "/"),
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EtcdWalsKeepNum: 10,
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DataTypes: []string{"datatype01"},
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}
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dm, err := NewDataManager(ctx, logger, dmConfig)
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dmReadyCh := make(chan struct{})
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t.Logf("starting datamanager")
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go dm.Run(ctx, dmReadyCh)
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<-dmReadyCh
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actions := []*Action{
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{
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ActionType: ActionTypePut,
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DataType: "datatype01",
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Data: []byte("{}"),
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},
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}
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expectedObjects := []string{}
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for i := 0; i < 20; i++ {
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objectID := fmt.Sprintf("object%02d", i)
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expectedObjects = append(expectedObjects, objectID)
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actions[0].ID = objectID
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if _, err := dm.WriteWal(ctx, actions, nil); err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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}
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// wait for wal to be committed storage
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time.Sleep(5 * time.Second)
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t.Logf("stopping datamanager")
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cancel()
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t.Logf("stopping etcd")
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// Reset etcd
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shutdownEtcd(tetcd)
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tetcd.WaitDown(10 * time.Second)
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t.Logf("resetting etcd")
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os.RemoveAll(etcdDir)
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t.Logf("starting etcd")
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tetcd = setupEtcd(t, etcdDir)
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defer shutdownEtcd(tetcd)
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if err := tetcd.Start(); err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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defer shutdownEtcd(tetcd)
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ctx, cancel = context.WithCancel(context.Background())
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defer cancel()
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dmConfig = &DataManagerConfig{
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BasePath: "basepath",
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E: tetcd.TestEtcd.Store,
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OST: objectstorage.NewObjStorage(ost, "/"),
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EtcdWalsKeepNum: 10,
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DataTypes: []string{"datatype01"},
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}
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dm, err = NewDataManager(ctx, logger, dmConfig)
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dmReadyCh = make(chan struct{})
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t.Logf("starting wal")
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go dm.Run(ctx, dmReadyCh)
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<-dmReadyCh
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time.Sleep(5 * time.Second)
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for i := 0; i < 20; i++ {
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objectID := fmt.Sprintf("object%02d", i)
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_, _, err = dm.ReadObject("datatype01", objectID, nil)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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}
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}
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func TestConcurrentUpdate(t *testing.T) {
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dir, err := ioutil.TempDir("", "agola")
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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defer os.RemoveAll(dir)
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etcdDir, err := ioutil.TempDir(dir, "etcd")
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tetcd := setupEtcd(t, etcdDir)
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defer shutdownEtcd(tetcd)
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ctx := context.Background()
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ostDir, err := ioutil.TempDir(dir, "ost")
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ost, err := objectstorage.NewPosixStorage(ostDir)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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dmConfig := &DataManagerConfig{
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E: tetcd.TestEtcd.Store,
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OST: objectstorage.NewObjStorage(ost, "/"),
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EtcdWalsKeepNum: 10,
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DataTypes: []string{"datatype01"},
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}
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dm, err := NewDataManager(ctx, logger, dmConfig)
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actions := []*Action{
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{
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ActionType: ActionTypePut,
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ID: "object01",
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DataType: "datatype01",
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Data: []byte("{}"),
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},
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}
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dmReadyCh := make(chan struct{})
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go dm.Run(ctx, dmReadyCh)
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<-dmReadyCh
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time.Sleep(5 * time.Second)
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cgNames := []string{"changegroup01", "changegroup02"}
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cgt, err := dm.GetChangeGroupsUpdateToken(cgNames)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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// populate with a wal
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cgt, err = dm.WriteWal(ctx, actions, cgt)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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// this must work successfully
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oldcgt := cgt
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cgt, err = dm.WriteWal(ctx, actions, cgt)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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// this must fail since we are using the old cgt
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_, err = dm.WriteWal(ctx, actions, oldcgt)
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if err != ErrConcurrency {
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t.Fatalf("expected err: %v, got %v", ErrConcurrency, err)
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}
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oldcgt = cgt
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// this must work successfully
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cgt, err = dm.WriteWal(ctx, actions, cgt)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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// this must fail since we are using the old cgt
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_, err = dm.WriteWal(ctx, actions, oldcgt)
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if err != ErrConcurrency {
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t.Fatalf("expected err: %v, got %v", ErrConcurrency, err)
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}
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}
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func TestWalCleaner(t *testing.T) {
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dir, err := ioutil.TempDir("", "agola")
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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defer os.RemoveAll(dir)
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etcdDir, err := ioutil.TempDir(dir, "etcd")
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tetcd := setupEtcd(t, etcdDir)
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defer shutdownEtcd(tetcd)
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ctx := context.Background()
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ostDir, err := ioutil.TempDir(dir, "ost")
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ost, err := objectstorage.NewPosixStorage(ostDir)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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walKeepNum := 10
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dmConfig := &DataManagerConfig{
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E: tetcd.TestEtcd.Store,
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OST: objectstorage.NewObjStorage(ost, "/"),
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EtcdWalsKeepNum: walKeepNum,
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DataTypes: []string{"datatype01"},
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MinCheckpointWalsNum: 1,
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}
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dm, err := NewDataManager(ctx, logger, dmConfig)
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actions := []*Action{
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{
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ActionType: ActionTypePut,
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ID: "object01",
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DataType: "datatype01",
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Data: []byte("{}"),
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},
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}
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dmReadyCh := make(chan struct{})
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go dm.Run(ctx, dmReadyCh)
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<-dmReadyCh
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for i := 0; i < 20; i++ {
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if _, err := dm.WriteWal(ctx, actions, nil); err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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}
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dm.checkpoint(ctx)
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dm.walCleaner(ctx)
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walsCount := 0
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for range dm.ListEtcdWals(ctx, 0) {
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walsCount++
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}
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if walsCount != walKeepNum {
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t.Fatalf("expected %d wals in etcd, got %d wals", walKeepNum, walsCount)
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}
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}
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func TestReadObject(t *testing.T) {
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dir, err := ioutil.TempDir("", "agola")
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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defer os.RemoveAll(dir)
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etcdDir, err := ioutil.TempDir(dir, "etcd")
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tetcd := setupEtcd(t, etcdDir)
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defer shutdownEtcd(tetcd)
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ctx := context.Background()
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ostDir, err := ioutil.TempDir(dir, "ost")
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ost, err := objectstorage.NewPosixStorage(ostDir)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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dmConfig := &DataManagerConfig{
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E: tetcd.TestEtcd.Store,
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OST: objectstorage.NewObjStorage(ost, "/"),
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// remove almost all wals to see that they are removed also from changes
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EtcdWalsKeepNum: 1,
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DataTypes: []string{"datatype01"},
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}
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dm, err := NewDataManager(ctx, logger, dmConfig)
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actions := []*Action{}
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for i := 0; i < 20; i++ {
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actions = append(actions, &Action{
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ActionType: ActionTypePut,
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ID: fmt.Sprintf("object%d", i),
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DataType: "datatype01",
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Data: []byte(fmt.Sprintf(`{ "ID": "%d" }`, i)),
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})
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}
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dmReadyCh := make(chan struct{})
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go dm.Run(ctx, dmReadyCh)
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<-dmReadyCh
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time.Sleep(5 * time.Second)
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// populate with a wal
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_, err = dm.WriteWal(ctx, actions, nil)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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// wait for the event to be read
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time.Sleep(500 * time.Millisecond)
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// should read it
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_, _, err = dm.ReadObject("datatype01", "object1", nil)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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_, _, err = dm.ReadObject("datatype01", "object19", nil)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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actions = []*Action{}
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for i := 0; i < 10; i++ {
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actions = append(actions, &Action{
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ActionType: ActionTypeDelete,
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ID: fmt.Sprintf("object%d", i),
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DataType: "datatype01",
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})
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}
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_, err = dm.WriteWal(ctx, actions, nil)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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// wait for the event to be read
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time.Sleep(500 * time.Millisecond)
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// test read from changes (since not checkpoint yet)
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// should not exists
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_, _, err = dm.ReadObject("datatype01", "object1", nil)
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if err != objectstorage.ErrNotExist {
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t.Fatalf("expected err %v, got: %v", objectstorage.ErrNotExist, err)
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}
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// should exist
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_, _, err = dm.ReadObject("datatype01", "object19", nil)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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// do a checkpoint and wal clean
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dm.checkpoint(ctx)
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dm.walCleaner(ctx)
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// wait for the event to be read
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time.Sleep(500 * time.Millisecond)
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// test read from data
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// should not exists
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_, _, err = dm.ReadObject("datatype01", "object1", nil)
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if err != objectstorage.ErrNotExist {
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t.Fatalf("expected err %v, got: %v", objectstorage.ErrNotExist, err)
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}
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// should exist
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_, _, err = dm.ReadObject("datatype01", "object19", nil)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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}
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