influxdb/storage/engine_test.go

443 lines
10 KiB
Go

package storage_test
import (
"context"
"fmt"
"io/ioutil"
"math"
"os"
"testing"
"time"
"github.com/influxdata/influxdb"
"github.com/influxdata/influxdb/models"
"github.com/influxdata/influxdb/storage"
"github.com/influxdata/influxdb/tsdb"
)
func TestEngine_WriteAndIndex(t *testing.T) {
engine := NewDefaultEngine()
defer engine.Close()
// Calling WritePoints when the engine is not open will return
// ErrEngineClosed.
if got, exp := engine.Write1xPoints(nil), storage.ErrEngineClosed; got != exp {
t.Fatalf("got %v, expected %v", got, exp)
}
engine.MustOpen()
pt := models.MustNewPoint(
"cpu",
models.Tags{{Key: []byte("host"), Value: []byte("server")}},
map[string]interface{}{"value": 1.0},
time.Unix(1, 2),
)
if err := engine.Write1xPoints([]models.Point{pt}); err != nil {
t.Fatal(err)
}
pt.SetTime(time.Unix(2, 3))
if err := engine.Write1xPoints([]models.Point{pt}); err != nil {
t.Fatal(err)
}
if got, exp := engine.SeriesCardinality(), int64(1); got != exp {
t.Fatalf("got %v series, exp %v series in index", got, exp)
}
// ensure the index gets loaded after closing and opening the shard
engine.Engine.Close() // Don't remove the data
engine.MustOpen()
if got, exp := engine.SeriesCardinality(), int64(1); got != exp {
t.Fatalf("got %v series, exp %v series in index", got, exp)
}
// and ensure that we can still write data
pt.SetTime(time.Unix(2, 6))
if err := engine.Write1xPoints([]models.Point{pt}); err != nil {
t.Fatal(err)
}
}
func TestEngine_TimeTag(t *testing.T) {
engine := NewDefaultEngine()
defer engine.Close()
engine.MustOpen()
pt := models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"time": "value"}),
map[string]interface{}{"value": 1.0},
time.Unix(1, 2),
)
if err := engine.Write1xPoints([]models.Point{pt}); err == nil {
t.Fatal("expected error: got nil")
}
pt = models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"foo": "bar", "time": "value"}),
map[string]interface{}{"value": 1.0},
time.Unix(1, 2),
)
if err := engine.Write1xPoints([]models.Point{pt}); err == nil {
t.Fatalf("unexpected error: %v", err)
}
}
func TestEngine_InvalidTag(t *testing.T) {
engine := NewDefaultEngine()
defer engine.Close()
engine.MustOpen()
pt := models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"\xf2": "cpu"}),
map[string]interface{}{"value": 1.0},
time.Unix(1, 2),
)
if err := engine.Write1xPoints([]models.Point{pt}); err == nil {
fmt.Println(pt.String())
t.Fatal("expected error: got nil")
}
pt = models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"foo": "bar", string([]byte{0, 255, 188, 233}): "value"}),
map[string]interface{}{"value": 1.0},
time.Unix(1, 2),
)
if err := engine.Write1xPoints([]models.Point{pt}); err == nil {
t.Fatalf("unexpected error: %v", err)
}
}
func TestWrite_TimeField(t *testing.T) {
engine := NewDefaultEngine()
defer engine.Close()
engine.MustOpen()
pt := models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{}),
map[string]interface{}{"time": 1.0},
time.Unix(1, 2),
)
if err := engine.Write1xPoints([]models.Point{pt}); err == nil {
t.Fatal("expected error: got nil")
}
pt = models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{}),
map[string]interface{}{"value": 1.1, "time": 1.0},
time.Unix(1, 2),
)
if err := engine.Write1xPoints([]models.Point{pt}); err == nil {
t.Fatal("expected error: got nil")
}
}
func TestEngine_WriteAddNewField(t *testing.T) {
engine := NewDefaultEngine()
defer engine.Close()
engine.MustOpen()
pt := models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"host": "server"}),
map[string]interface{}{"value": 1.0},
time.Unix(1, 2),
)
err := engine.Write1xPoints([]models.Point{pt})
if err != nil {
t.Fatal(err)
}
pt = models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"host": "server"}),
map[string]interface{}{"value": 1.0, "value2": 2.0},
time.Unix(1, 2),
)
err = engine.Write1xPoints([]models.Point{pt})
if err != nil {
t.Fatal(err)
}
if got, exp := engine.SeriesCardinality(), int64(2); got != exp {
t.Fatalf("got %d series, exp %d series in index", got, exp)
}
}
func TestEngine_DeleteBucket(t *testing.T) {
engine := NewDefaultEngine()
defer engine.Close()
engine.MustOpen()
pt := models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"host": "server"}),
map[string]interface{}{"value": 1.0},
time.Unix(1, 2),
)
err := engine.Write1xPoints([]models.Point{pt})
if err != nil {
t.Fatal(err)
}
pt = models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"host": "server"}),
map[string]interface{}{"value": 1.0, "value2": 2.0},
time.Unix(1, 3),
)
// Same org, different bucket.
err = engine.Write1xPointsWithOrgBucket([]models.Point{pt}, "3131313131313131", "8888888888888888")
if err != nil {
t.Fatal(err)
}
if got, exp := engine.SeriesCardinality(), int64(3); got != exp {
t.Fatalf("got %d series, exp %d series in index", got, exp)
}
// Remove the original bucket.
if err := engine.DeleteBucket(engine.org, engine.bucket); err != nil {
t.Fatal(err)
}
// Check only one bucket was removed.
if got, exp := engine.SeriesCardinality(), int64(2); got != exp {
t.Fatalf("got %d series, exp %d series in index", got, exp)
}
}
func TestEngine_OpenClose(t *testing.T) {
engine := NewDefaultEngine()
engine.MustOpen()
if err := engine.Close(); err != nil {
t.Fatal(err)
}
if err := engine.Open(context.Background()); err != nil {
t.Fatal(err)
}
if err := engine.Close(); err != nil {
t.Fatal(err)
}
}
// Ensures that when a shard is closed, it removes any series meta-data
// from the index.
func TestEngineClose_RemoveIndex(t *testing.T) {
engine := NewDefaultEngine()
defer engine.Close()
engine.MustOpen()
pt := models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"host": "server"}),
map[string]interface{}{"value": 1.0},
time.Unix(1, 2),
)
err := engine.Write1xPoints([]models.Point{pt})
if err != nil {
t.Fatal(err)
}
if got, exp := engine.SeriesCardinality(), int64(1); got != exp {
t.Fatalf("got %d series, exp %d series in index", got, exp)
}
// ensure the index gets loaded after closing and opening the shard
engine.Engine.Close() // Don't destroy temporary data.
engine.Open(context.Background())
if got, exp := engine.SeriesCardinality(), int64(1); got != exp {
t.Fatalf("got %d series, exp %d series in index", got, exp)
}
}
func TestEngine_WALDisabled(t *testing.T) {
config := storage.NewConfig()
config.WAL.Enabled = false
engine := NewEngine(config)
defer engine.Close()
engine.MustOpen()
pt := models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"host": "server"}),
map[string]interface{}{"value": 1.0},
time.Unix(1, 2),
)
if err := engine.Write1xPoints([]models.Point{pt}); err != nil {
t.Fatal(err)
}
}
func TestEngine_WriteConflictingBatch(t *testing.T) {
engine := NewDefaultEngine()
defer engine.Close()
engine.MustOpen()
pt1 := models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"host": "server"}),
map[string]interface{}{"value": 1.0},
time.Unix(1, 2),
)
pt2 := models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"host": "server"}),
map[string]interface{}{"value": 2},
time.Unix(1, 2),
)
err := engine.Write1xPoints([]models.Point{pt1, pt2})
if _, ok := err.(tsdb.PartialWriteError); !ok {
t.Fatal("expected partial write error. got:", err)
}
}
func BenchmarkDeleteBucket(b *testing.B) {
var engine *Engine
setup := func(card int) {
engine = NewDefaultEngine()
engine.MustOpen()
points := make([]models.Point, card)
for i := 0; i < card; i++ {
points[i] = models.MustNewPoint(
"cpu",
models.NewTags(map[string]string{"host": "server"}),
map[string]interface{}{"value": i},
time.Unix(1, 2),
)
}
if err := engine.Write1xPoints(points); err != nil {
panic(err)
}
}
for i := 1; i <= 5; i++ {
card := int(math.Pow10(i))
b.Run(fmt.Sprintf("cardinality_%d", card), func(b *testing.B) {
setup(card)
for i := 0; i < b.N; i++ {
if err := engine.DeleteBucket(engine.org, engine.bucket); err != nil {
b.Fatal(err)
}
b.StopTimer()
if err := engine.Close(); err != nil {
panic(err)
}
setup(card)
b.StartTimer()
}
})
}
}
type Engine struct {
path string
org, bucket influxdb.ID
*storage.Engine
}
// NewEngine create a new wrapper around a storage engine.
func NewEngine(c storage.Config) *Engine {
path, _ := ioutil.TempDir("", "storage_engine_test")
engine := storage.NewEngine(path, c)
org, err := influxdb.IDFromString("3131313131313131")
if err != nil {
panic(err)
}
bucket, err := influxdb.IDFromString("3232323232323232")
if err != nil {
panic(err)
}
return &Engine{
path: path,
org: *org,
bucket: *bucket,
Engine: engine,
}
}
// NewDefaultEngine returns a new Engine with a default configuration.
func NewDefaultEngine() *Engine {
return NewEngine(storage.NewConfig())
}
// MustOpen opens the engine or panicks.
func (e *Engine) MustOpen() {
if err := e.Engine.Open(context.Background()); err != nil {
panic(err)
}
}
// Write1xPoints converts old style points into the new 2.0 engine format.
// This allows us to use the old `models` package helper functions and still write
// the points in the correct format.
func (e *Engine) Write1xPoints(pts []models.Point) error {
points, err := tsdb.ExplodePoints(e.org, e.bucket, pts)
if err != nil {
return err
}
return e.Engine.WritePoints(context.TODO(), points)
}
// Write1xPointsWithOrgBucket writes 1.x points with the provided org and bucket id strings.
func (e *Engine) Write1xPointsWithOrgBucket(pts []models.Point, org, bucket string) error {
o, err := influxdb.IDFromString(org)
if err != nil {
return err
}
b, err := influxdb.IDFromString(bucket)
if err != nil {
return err
}
points, err := tsdb.ExplodePoints(*o, *b, pts)
if err != nil {
return err
}
return e.Engine.WritePoints(context.TODO(), points)
}
// Close closes the engine and removes all temporary data.
func (e *Engine) Close() error {
defer os.RemoveAll(e.path)
return e.Engine.Close()
}