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objstore_test.go
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// Copyright (c) The Thanos Authors.
// Licensed under the Apache License 2.0.
package objstore
import (
"bytes"
"context"
"io"
"os"
"strings"
"testing"
"github.com/efficientgo/core/testutil"
"github.com/go-kit/log"
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
promtest "github.com/prometheus/client_golang/prometheus/testutil"
"go.uber.org/atomic"
)
func TestMetricBucket_Close(t *testing.T) {
bkt := WrapWithMetrics(NewInMemBucket(), nil, "abc")
// Expected initialized metrics.
testutil.Equals(t, 7, promtest.CollectAndCount(bkt.ops))
testutil.Equals(t, 7, promtest.CollectAndCount(bkt.opsFailures))
testutil.Equals(t, 7, promtest.CollectAndCount(bkt.opsDuration))
AcceptanceTest(t, bkt.WithExpectedErrs(bkt.IsObjNotFoundErr))
testutil.Equals(t, float64(9), promtest.ToFloat64(bkt.ops.WithLabelValues(OpIter)))
testutil.Equals(t, float64(2), promtest.ToFloat64(bkt.ops.WithLabelValues(OpAttributes)))
testutil.Equals(t, float64(3), promtest.ToFloat64(bkt.ops.WithLabelValues(OpGet)))
testutil.Equals(t, float64(3), promtest.ToFloat64(bkt.ops.WithLabelValues(OpGetRange)))
testutil.Equals(t, float64(2), promtest.ToFloat64(bkt.ops.WithLabelValues(OpExists)))
testutil.Equals(t, float64(9), promtest.ToFloat64(bkt.ops.WithLabelValues(OpUpload)))
testutil.Equals(t, float64(3), promtest.ToFloat64(bkt.ops.WithLabelValues(OpDelete)))
testutil.Equals(t, 7, promtest.CollectAndCount(bkt.ops))
testutil.Equals(t, float64(0), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpIter)))
testutil.Equals(t, float64(0), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpAttributes)))
testutil.Equals(t, float64(1), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpGet)))
testutil.Equals(t, float64(0), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpGetRange)))
testutil.Equals(t, float64(0), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpExists)))
testutil.Equals(t, float64(0), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpUpload)))
testutil.Equals(t, float64(0), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpDelete)))
testutil.Equals(t, 7, promtest.CollectAndCount(bkt.opsFailures))
testutil.Equals(t, 7, promtest.CollectAndCount(bkt.opsDuration))
lastUpload := promtest.ToFloat64(bkt.lastSuccessfulUploadTime)
testutil.Assert(t, lastUpload > 0, "last upload not greater than 0, val: %f", lastUpload)
// Clear bucket, but don't clear metrics to ensure we use same.
bkt.bkt = NewInMemBucket()
AcceptanceTest(t, bkt)
testutil.Equals(t, float64(18), promtest.ToFloat64(bkt.ops.WithLabelValues(OpIter)))
testutil.Equals(t, float64(4), promtest.ToFloat64(bkt.ops.WithLabelValues(OpAttributes)))
testutil.Equals(t, float64(6), promtest.ToFloat64(bkt.ops.WithLabelValues(OpGet)))
testutil.Equals(t, float64(6), promtest.ToFloat64(bkt.ops.WithLabelValues(OpGetRange)))
testutil.Equals(t, float64(4), promtest.ToFloat64(bkt.ops.WithLabelValues(OpExists)))
testutil.Equals(t, float64(18), promtest.ToFloat64(bkt.ops.WithLabelValues(OpUpload)))
testutil.Equals(t, float64(6), promtest.ToFloat64(bkt.ops.WithLabelValues(OpDelete)))
testutil.Equals(t, 7, promtest.CollectAndCount(bkt.ops))
testutil.Equals(t, float64(0), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpIter)))
// Not expected not found error here.
testutil.Equals(t, float64(1), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpAttributes)))
// Not expected not found errors, this should increment failure metric on get for not found as well, so +2.
testutil.Equals(t, float64(3), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpGet)))
testutil.Equals(t, float64(0), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpGetRange)))
testutil.Equals(t, float64(0), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpExists)))
testutil.Equals(t, float64(0), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpUpload)))
testutil.Equals(t, float64(0), promtest.ToFloat64(bkt.opsFailures.WithLabelValues(OpDelete)))
testutil.Equals(t, 7, promtest.CollectAndCount(bkt.opsFailures))
testutil.Equals(t, 7, promtest.CollectAndCount(bkt.opsDuration))
testutil.Assert(t, promtest.ToFloat64(bkt.lastSuccessfulUploadTime) > lastUpload)
}
// TestMetricBucket_MultipleClients tests that the metrics from two different buckets clients are not conflicting with each other.
func TestMetricBucket_Multiple_Clients(t *testing.T) {
reg := prometheus.NewPedanticRegistry()
WrapWithMetrics(NewInMemBucket(), reg, "abc")
WrapWithMetrics(NewInMemBucket(), reg, "def")
}
func TestDownloadUploadDirConcurrency(t *testing.T) {
r := prometheus.NewRegistry()
m := WrapWithMetrics(NewInMemBucket(), r, "")
tempDir := t.TempDir()
testutil.Ok(t, m.Upload(context.Background(), "dir/obj1", bytes.NewReader([]byte("1"))))
testutil.Ok(t, m.Upload(context.Background(), "dir/obj2", bytes.NewReader([]byte("2"))))
testutil.Ok(t, m.Upload(context.Background(), "dir/obj3", bytes.NewReader(bytes.Repeat([]byte("3"), 1024*1024))))
testutil.Ok(t, promtest.GatherAndCompare(r, strings.NewReader(`
# HELP objstore_bucket_operations_total Total number of all attempted operations against a bucket.
# TYPE objstore_bucket_operations_total counter
objstore_bucket_operations_total{bucket="",operation="attributes"} 0
objstore_bucket_operations_total{bucket="",operation="delete"} 0
objstore_bucket_operations_total{bucket="",operation="exists"} 0
objstore_bucket_operations_total{bucket="",operation="get"} 0
objstore_bucket_operations_total{bucket="",operation="get_range"} 0
objstore_bucket_operations_total{bucket="",operation="iter"} 0
objstore_bucket_operations_total{bucket="",operation="upload"} 3
`), `objstore_bucket_operations_total`))
testutil.Ok(t, DownloadDir(context.Background(), log.NewNopLogger(), m, "dir/", "dir/", tempDir, WithFetchConcurrency(10)))
i, err := os.ReadDir(tempDir)
testutil.Ok(t, err)
testutil.Assert(t, len(i) == 3)
testutil.Ok(t, promtest.GatherAndCompare(r, strings.NewReader(`
# HELP objstore_bucket_operations_total Total number of all attempted operations against a bucket.
# TYPE objstore_bucket_operations_total counter
objstore_bucket_operations_total{bucket="",operation="attributes"} 0
objstore_bucket_operations_total{bucket="",operation="delete"} 0
objstore_bucket_operations_total{bucket="",operation="exists"} 0
objstore_bucket_operations_total{bucket="",operation="get"} 3
objstore_bucket_operations_total{bucket="",operation="get_range"} 0
objstore_bucket_operations_total{bucket="",operation="iter"} 1
objstore_bucket_operations_total{bucket="",operation="upload"} 3
`), `objstore_bucket_operations_total`))
testutil.Ok(t, promtest.GatherAndCompare(r, strings.NewReader(`
# HELP objstore_bucket_operation_fetched_bytes_total Total number of bytes fetched from bucket, per operation.
# TYPE objstore_bucket_operation_fetched_bytes_total counter
objstore_bucket_operation_fetched_bytes_total{bucket="",operation="attributes"} 0
objstore_bucket_operation_fetched_bytes_total{bucket="",operation="delete"} 0
objstore_bucket_operation_fetched_bytes_total{bucket="",operation="exists"} 0
objstore_bucket_operation_fetched_bytes_total{bucket="",operation="get"} 1.048578e+06
objstore_bucket_operation_fetched_bytes_total{bucket="",operation="get_range"} 0
objstore_bucket_operation_fetched_bytes_total{bucket="",operation="iter"} 0
objstore_bucket_operation_fetched_bytes_total{bucket="",operation="upload"} 0
`), `objstore_bucket_operation_fetched_bytes_total`))
testutil.Ok(t, promtest.GatherAndCompare(r, strings.NewReader(`
# HELP objstore_bucket_operation_transferred_bytes Number of bytes transferred from/to bucket per operation.
# TYPE objstore_bucket_operation_transferred_bytes histogram
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="32768"} 2
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="65536"} 2
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="131072"} 2
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="262144"} 2
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="524288"} 2
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="1.048576e+06"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="2.097152e+06"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="4.194304e+06"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="8.388608e+06"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="1.6777216e+07"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="3.3554432e+07"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="6.7108864e+07"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="1.34217728e+08"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="2.68435456e+08"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="5.36870912e+08"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="1.073741824e+09"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get",le="+Inf"} 3
objstore_bucket_operation_transferred_bytes_sum{bucket="",operation="get"} 1.048578e+06
objstore_bucket_operation_transferred_bytes_count{bucket="",operation="get"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="32768"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="65536"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="131072"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="262144"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="524288"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="1.048576e+06"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="2.097152e+06"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="4.194304e+06"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="8.388608e+06"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="1.6777216e+07"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="3.3554432e+07"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="6.7108864e+07"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="1.34217728e+08"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="2.68435456e+08"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="5.36870912e+08"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="1.073741824e+09"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="get_range",le="+Inf"} 0
objstore_bucket_operation_transferred_bytes_sum{bucket="",operation="get_range"} 0
objstore_bucket_operation_transferred_bytes_count{bucket="",operation="get_range"} 0
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="32768"} 2
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="65536"} 2
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="131072"} 2
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="262144"} 2
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="524288"} 2
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="1.048576e+06"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="2.097152e+06"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="4.194304e+06"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="8.388608e+06"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="1.6777216e+07"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="3.3554432e+07"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="6.7108864e+07"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="1.34217728e+08"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="2.68435456e+08"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="5.36870912e+08"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="1.073741824e+09"} 3
objstore_bucket_operation_transferred_bytes_bucket{bucket="",operation="upload",le="+Inf"} 3
objstore_bucket_operation_transferred_bytes_sum{bucket="",operation="upload"} 1.048578e+06
objstore_bucket_operation_transferred_bytes_count{bucket="",operation="upload"} 3
`), `objstore_bucket_operation_transferred_bytes`))
testutil.Ok(t, UploadDir(context.Background(), log.NewNopLogger(), m, tempDir, "/dir-copy", WithUploadConcurrency(10)))
testutil.Ok(t, promtest.GatherAndCompare(r, strings.NewReader(`
# HELP objstore_bucket_operations_total Total number of all attempted operations against a bucket.
# TYPE objstore_bucket_operations_total counter
objstore_bucket_operations_total{bucket="",operation="attributes"} 0
objstore_bucket_operations_total{bucket="",operation="delete"} 0
objstore_bucket_operations_total{bucket="",operation="exists"} 0
objstore_bucket_operations_total{bucket="",operation="get"} 3
objstore_bucket_operations_total{bucket="",operation="get_range"} 0
objstore_bucket_operations_total{bucket="",operation="iter"} 1
objstore_bucket_operations_total{bucket="",operation="upload"} 6
`), `objstore_bucket_operations_total`))
}
func TestTimingTracingReader(t *testing.T) {
m := WrapWithMetrics(NewInMemBucket(), nil, "")
r := bytes.NewReader([]byte("hello world"))
tr := NopCloserWithSize(r)
tr = newTimingReadCloser(tr, "", m.opsDuration, m.opsFailures, func(err error) bool {
return false
}, m.opsFetchedBytes, m.opsTransferredBytes)
size, err := TryToGetSize(tr)
testutil.Ok(t, err)
testutil.Equals(t, int64(11), size)
smallBuf := make([]byte, 4)
n, err := io.ReadFull(tr, smallBuf)
testutil.Ok(t, err)
testutil.Equals(t, 4, n)
// Verify that size is still the same, after reading 4 bytes.
size, err = TryToGetSize(tr)
testutil.Ok(t, err)
testutil.Equals(t, int64(11), size)
}
func TestTimingTracingReaderSeeker(t *testing.T) {
m := WrapWithMetrics(NewInMemBucket(), nil, "")
r := bytes.NewReader([]byte("hello world"))
tr := nopSeekerCloserWithSize(r).(io.ReadCloser)
tr = newTimingReadCloser(tr, "", m.opsDuration, m.opsFailures, func(err error) bool {
return false
}, m.opsFetchedBytes, m.opsTransferredBytes)
size, err := TryToGetSize(tr)
testutil.Ok(t, err)
testutil.Equals(t, int64(11), size)
smallBuf := make([]byte, 4)
n, err := io.ReadFull(tr, smallBuf)
testutil.Ok(t, err)
testutil.Equals(t, 4, n)
// Verify that size is still the same, after reading 4 bytes.
size, err = TryToGetSize(tr)
testutil.Ok(t, err)
testutil.Equals(t, int64(11), size)
_, ok := tr.(io.Seeker)
testutil.Equals(t, true, ok)
}
func TestDownloadDir_CleanUp(t *testing.T) {
b := unreliableBucket{
Bucket: NewInMemBucket(),
n: 3,
current: atomic.NewInt32(0),
}
tempDir := t.TempDir()
testutil.Ok(t, b.Upload(context.Background(), "dir/obj1", bytes.NewReader([]byte("1"))))
testutil.Ok(t, b.Upload(context.Background(), "dir/obj2", bytes.NewReader([]byte("2"))))
testutil.Ok(t, b.Upload(context.Background(), "dir/obj3", bytes.NewReader([]byte("3"))))
// We exapect the third Get to fail
testutil.NotOk(t, DownloadDir(context.Background(), log.NewNopLogger(), b, "dir/", "dir/", tempDir))
_, err := os.Stat(tempDir)
testutil.Assert(t, os.IsNotExist(err))
}
// unreliableBucket implements Bucket and returns an error on every n-th Get.
type unreliableBucket struct {
Bucket
n int32
current *atomic.Int32
}
func (b unreliableBucket) Get(ctx context.Context, name string) (io.ReadCloser, error) {
if b.current.Inc()%b.n == 0 {
return nil, errors.Errorf("some error message")
}
return b.Bucket.Get(ctx, name)
}
type nopSeekerCloserWithObjectSize struct{ io.Reader }
func (n nopSeekerCloserWithObjectSize) Seek(offset int64, whence int) (int64, error) {
return 0, nil
}
func (nopSeekerCloserWithObjectSize) Close() error { return nil }
func (n nopSeekerCloserWithObjectSize) ObjectSize() (int64, error) { return TryToGetSize(n.Reader) }
func nopSeekerCloserWithSize(r io.Reader) io.ReadSeekCloser {
return nopSeekerCloserWithObjectSize{r}
}