forked from TrueCloudLab/xk6-frostfs
[#13] Allow to use english text in the payload
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
parent
3525d5b4e3
commit
ba04c682cb
9 changed files with 58 additions and 15 deletions
1
go.mod
1
go.mod
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@ -11,6 +11,7 @@ require (
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github.com/aws/aws-sdk-go-v2/config v1.15.5
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github.com/aws/aws-sdk-go-v2/service/s3 v1.26.9
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github.com/dop251/goja v0.0.0-20230427124612-428fc442ff5f
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github.com/go-loremipsum/loremipsum v1.1.3
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github.com/google/uuid v1.3.0
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github.com/joho/godotenv v1.5.1
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github.com/nspcc-dev/neo-go v0.101.1
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2
go.sum
2
go.sum
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@ -161,6 +161,8 @@ github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
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github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
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github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
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github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
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github.com/go-loremipsum/loremipsum v1.1.3 h1:ZRhA0ZmJ49lGe5HhWeMONr+iGftWDsHfrYBl5ktDXso=
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github.com/go-loremipsum/loremipsum v1.1.3/go.mod h1:OJQjXdvwlG9hsyhmMQoT4HOm4DG4l62CYywebw0XBoo=
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github.com/go-sourcemap/sourcemap v2.1.3+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg=
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github.com/go-sourcemap/sourcemap v2.1.4-0.20211119122758-180fcef48034+incompatible h1:bopx7t9jyUNX1ebhr0G4gtQWmUOgwQRI0QsYhdYLgkU=
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github.com/go-sourcemap/sourcemap v2.1.4-0.20211119122758-180fcef48034+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg=
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@ -1,6 +1,8 @@
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package datagen
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import (
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"strings"
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"go.k6.io/k6/js/modules"
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)
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@ -36,7 +38,7 @@ func (d *Datagen) Exports() modules.Exports {
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return modules.Exports{Default: d}
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}
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func (d *Datagen) Generator(size int) *Generator {
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g := NewGenerator(d.vu, size)
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func (d *Datagen) Generator(size int, typ string) *Generator {
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g := NewGenerator(d.vu, size, strings.ToLower(typ))
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return &g
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}
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@ -1,12 +1,14 @@
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package datagen
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import (
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"bytes"
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"crypto/sha256"
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"encoding/hex"
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"math/rand"
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"time"
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"github.com/dop251/goja"
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"github.com/go-loremipsum/loremipsum"
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"go.k6.io/k6/js/modules"
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)
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@ -24,6 +26,7 @@ type (
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size int
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rand *rand.Rand
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buf []byte
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typ string
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offset int
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}
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@ -36,19 +39,53 @@ type (
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// TailSize specifies number of extra random bytes in the buffer tail.
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const TailSize = 1024
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func NewGenerator(vu modules.VU, size int) Generator {
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var payloadTypes = []string{
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"text",
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"random",
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"",
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}
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func NewGenerator(vu modules.VU, size int, typ string) Generator {
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if size <= 0 {
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panic("size should be positive")
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}
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var found bool
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for i := range payloadTypes {
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if payloadTypes[i] == typ {
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found = true
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break
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}
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}
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if !found {
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vu.InitEnv().Logger.Info("Unknown payload type '%s', random will be used.", typ)
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}
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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buf := make([]byte, size+TailSize)
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r.Read(buf)
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return Generator{
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g := Generator{
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vu: vu,
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size: size,
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rand: r,
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buf: buf,
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typ: typ,
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}
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g.fillBuffer()
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return g
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}
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func (g *Generator) fillBuffer() {
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switch g.typ {
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case "text":
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li := loremipsum.New()
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b := bytes.NewBuffer(g.buf[:0])
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for b.Len() < g.size+TailSize {
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b.WriteString(li.Paragraph())
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b.WriteRune('\n')
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}
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g.buf = b.Bytes()
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default:
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rand.Read(g.buf) // Per docs, err is always nil here
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}
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}
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@ -66,9 +103,9 @@ func (g *Generator) GenPayload(calcHash bool) GenPayloadResponse {
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}
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func (g *Generator) nextSlice() []byte {
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if g.offset >= TailSize {
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if g.offset+g.size >= len(g.buf) {
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g.offset = 0
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g.rand.Read(g.buf) // Per docs, err is always nil here
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g.fillBuffer()
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}
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result := g.buf[g.offset : g.offset+g.size]
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@ -16,25 +16,25 @@ func TestGenerator(t *testing.T) {
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t.Run("fails on negative size", func(t *testing.T) {
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require.Panics(t, func() {
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_ = NewGenerator(vu, -1)
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_ = NewGenerator(vu, -1, "")
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})
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})
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t.Run("fails on zero size", func(t *testing.T) {
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require.Panics(t, func() {
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_ = NewGenerator(vu, 0)
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_ = NewGenerator(vu, 0, "")
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})
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})
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t.Run("creates slice of specified size", func(t *testing.T) {
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size := 10
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g := NewGenerator(vu, size)
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g := NewGenerator(vu, size, "")
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slice := g.nextSlice()
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require.Len(t, slice, size)
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})
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t.Run("creates a different slice on each call", func(t *testing.T) {
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g := NewGenerator(vu, 1000)
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g := NewGenerator(vu, 1000, "")
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slice1 := g.nextSlice()
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slice2 := g.nextSlice()
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// Each slice should be unique (assuming that 1000 random bytes will never coincide
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@ -43,7 +43,7 @@ func TestGenerator(t *testing.T) {
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})
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t.Run("keeps generating slices after consuming entire tail", func(t *testing.T) {
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g := NewGenerator(vu, 1000)
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g := NewGenerator(vu, 1000, "")
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initialSlice := g.nextSlice()
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for i := 0; i < TailSize; i++ {
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g.nextSlice()
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@ -47,7 +47,7 @@ if (registry_enabled && delete_age) {
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}
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const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE));
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const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE), __ENV.PAYLOAD_TYPE || "");
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const scenarios = {};
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@ -31,7 +31,7 @@ const obj_registry = registry_enabled ? registry.open(__ENV.REGISTRY_FILE) : und
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const duration = __ENV.DURATION;
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const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE));
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const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE), __ENV.PAYLOAD_TYPE || "");
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const scenarios = {};
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@ -18,6 +18,7 @@ Scenarios `grpc.js`, `local.js`, `http.js` and `s3.js` support the following opt
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* `SLEEP_WRITE` - time interval (in seconds) between writing VU iterations.
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* `SLEEP_READ` - time interval (in seconds) between reading VU iterations.
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* `SELECTION_SIZE` - size of batch to select for deletion (default: 1000).
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* `PAYLOAD_TYPE` - type of an object payload ("random" or "text", default: "random").
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Additionally, the profiling extension can be enabled to generate CPU and memory profiles which can be inspected with `go tool pprof file.prof`:
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```shell
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@ -46,7 +46,7 @@ if (registry_enabled && delete_age) {
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);
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}
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const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE));
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const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE), __ENV.PAYLOAD_TYPE || "");
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const scenarios = {};
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