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query_frontend_test.go
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query_frontend_test.go
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// Copyright (c) The Thanos Authors.
// Licensed under the Apache License 2.0.
package e2e_test
import (
"context"
"crypto/sha256"
"fmt"
"io"
"net/http"
"net/http/httptest"
"reflect"
"regexp"
"sort"
"strings"
"testing"
"time"
"github.com/efficientgo/core/testutil"
"github.com/efficientgo/e2e"
e2emon "github.com/efficientgo/e2e/monitoring"
"github.com/efficientgo/e2e/monitoring/matchers"
"github.com/pkg/errors"
"github.com/prometheus/client_golang/api"
v1 "github.com/prometheus/client_golang/api/prometheus/v1"
"github.com/prometheus/common/model"
"github.com/prometheus/prometheus/model/labels"
"github.com/prometheus/prometheus/model/timestamp"
"github.com/prometheus/prometheus/prompb"
"github.com/stretchr/testify/require"
"github.com/thanos-io/thanos/pkg/cacheutil"
"github.com/thanos-io/thanos/pkg/promclient"
"github.com/thanos-io/thanos/pkg/queryfrontend"
"github.com/thanos-io/thanos/pkg/tenancy"
"github.com/thanos-io/thanos/test/e2e/e2ethanos"
)
func TestQueryFrontend(t *testing.T) {
t.Parallel()
e, err := e2e.NewDockerEnvironment("query-frontend")
testutil.Ok(t, err)
t.Cleanup(e2ethanos.CleanScenario(t, e))
// Predefined Timestamp
predefTimestamp := time.Date(2023, time.December, 22, 12, 0, 0, 0, time.UTC)
i := e2ethanos.NewReceiveBuilder(e, "ingestor-rw").WithIngestionEnabled().Init()
testutil.Ok(t, e2e.StartAndWaitReady(i))
q := e2ethanos.NewQuerierBuilder(e, "1", i.InternalEndpoint("grpc")).Init()
testutil.Ok(t, e2e.StartAndWaitReady(q))
inMemoryCacheConfig := queryfrontend.CacheProviderConfig{
Type: queryfrontend.INMEMORY,
Config: queryfrontend.InMemoryResponseCacheConfig{
MaxSizeItems: 1000,
Validity: time.Hour,
},
}
cfg := queryfrontend.Config{}
queryFrontend := e2ethanos.NewQueryFrontend(e, "1", "http://"+q.InternalEndpoint("http"), cfg, inMemoryCacheConfig)
testutil.Ok(t, e2e.StartAndWaitReady(queryFrontend))
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
t.Cleanup(cancel)
// Writing a custom Timeseries into the receiver
testutil.Ok(t, remoteWrite(ctx, []prompb.TimeSeries{{
Labels: []prompb.Label{
{Name: "__name__", Value: "up"},
{Name: "instance", Value: "localhost:9090"},
{Name: "job", Value: "myself"},
{Name: "prometheus", Value: "test"},
{Name: "replica", Value: "0"},
},
Samples: []prompb.Sample{
{Value: float64(1), Timestamp: timestamp.FromTime(predefTimestamp)},
}}},
i.Endpoint("remote-write"),
))
testutil.Ok(t, q.WaitSumMetricsWithOptions(e2emon.Equals(1), []string{"thanos_store_nodes_grpc_connections"}, e2emon.WaitMissingMetrics()))
// Ensure we can get the result from Querier first so that it
// doesn't need to retry when we send queries to the frontend later.
queryAndAssertSeries(t, ctx, q.Endpoint("http"), e2ethanos.QueryUpWithoutInstance, func() time.Time { return predefTimestamp }, promclient.QueryOptions{
Deduplicate: false,
}, []model.Metric{
{
"job": "myself",
"prometheus": "test",
"receive": "receive-ingestor-rw",
"replica": "0",
"tenant_id": "default-tenant",
},
})
vals, err := q.SumMetrics([]string{"http_requests_total"})
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "query"))
testutil.Ok(t, err)
testutil.Equals(t, 1, len(vals))
queryTimes := vals[0]
t.Run("query frontend works for instant query", func(t *testing.T) {
queryAndAssertSeries(t, ctx, queryFrontend.Endpoint("http"), e2ethanos.QueryUpWithoutInstance, func() time.Time { return predefTimestamp }, promclient.QueryOptions{
Deduplicate: false,
}, []model.Metric{
{
"job": "myself",
"prometheus": "test",
"receive": "receive-ingestor-rw",
"replica": "0",
"tenant_id": "default-tenant",
},
})
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "query")),
))
testutil.Ok(t, q.WaitSumMetricsWithOptions(
e2emon.Equals(queryTimes+1),
[]string{"http_requests_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "query")),
))
})
t.Run("query frontend works for range query and it can cache results", func(t *testing.T) {
rangeQuery(
t,
ctx,
queryFrontend.Endpoint("http"),
e2ethanos.QueryUpWithoutInstance,
timestamp.FromTime(predefTimestamp.Add(-time.Hour)),
timestamp.FromTime(predefTimestamp.Add(time.Hour)),
14,
promclient.QueryOptions{
Deduplicate: true,
},
func(res model.Matrix) error {
if len(res) == 0 {
return errors.Errorf("expected some results, got nothing")
}
return nil
},
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "query_range")),
))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "cortex_cache_fetched_keys_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(0), "cortex_cache_hits_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "querier_cache_added_new_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "querier_cache_added_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "querier_cache_entries"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "querier_cache_gets_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "querier_cache_misses_total"))
// Query is only 2h so it won't be split.
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "thanos_frontend_split_queries_total"))
testutil.Ok(t, q.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"http_requests_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "query_range")),
))
})
t.Run("same range query, cache hit.", func(t *testing.T) {
// Run the same range query again, the result can be retrieved from cache directly.
rangeQuery(
t,
ctx,
queryFrontend.Endpoint("http"),
e2ethanos.QueryUpWithoutInstance,
timestamp.FromTime(predefTimestamp.Add(-time.Hour)),
timestamp.FromTime(predefTimestamp.Add(time.Hour)),
14,
promclient.QueryOptions{
Deduplicate: true,
},
func(res model.Matrix) error {
if len(res) == 0 {
return errors.Errorf("expected some results, got nothing")
}
return nil
},
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(2),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "query_range"))),
)
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(2), "cortex_cache_fetched_keys_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "cortex_cache_hits_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "querier_cache_added_new_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "querier_cache_added_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "querier_cache_entries"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(2), "querier_cache_gets_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "querier_cache_misses_total"))
// Query is only 2h so it won't be split.
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(2), []string{"thanos_frontend_split_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "tripperware", "query_range"))),
)
testutil.Ok(t, q.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"http_requests_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "query_range"))),
)
})
t.Run("range query > 24h should be split", func(t *testing.T) {
rangeQuery(
t,
ctx,
queryFrontend.Endpoint("http"),
e2ethanos.QueryUpWithoutInstance,
timestamp.FromTime(predefTimestamp.Add(-time.Hour)),
timestamp.FromTime(predefTimestamp.Add(24*time.Hour)),
14,
promclient.QueryOptions{
Deduplicate: true,
},
func(res model.Matrix) error {
if len(res) == 0 {
return errors.Errorf("expected some results, got nothing")
}
return nil
},
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(3),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "query_range"))),
)
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(4), "cortex_cache_fetched_keys_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(2), "cortex_cache_hits_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(2), "querier_cache_added_new_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(3), "querier_cache_added_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(2), "querier_cache_entries"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(4), "querier_cache_gets_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(2), "querier_cache_misses_total"))
// Query is 25h so it will be split to 2 requests.
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(4), []string{"thanos_frontend_split_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "tripperware", "query_range"))),
)
testutil.Ok(t, q.WaitSumMetricsWithOptions(
e2emon.Equals(3),
[]string{"http_requests_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "query_range"))),
)
})
t.Run("query frontend splitting works for labels names API", func(t *testing.T) {
// LabelNames and LabelValues API should still work via query frontend.
labelNames(t, ctx, queryFrontend.Endpoint("http"), nil, timestamp.FromTime(predefTimestamp.Add(-time.Hour)), timestamp.FromTime(predefTimestamp.Add(time.Hour)), 0, func(res []string) bool {
return len(res) > 0
})
testutil.Ok(t, q.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"http_requests_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "label_names"))),
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "label_names"))),
)
// Query is only 2h so it won't be split.
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(1), []string{"thanos_frontend_split_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "tripperware", "labels"))),
)
labelNames(t, ctx, queryFrontend.Endpoint("http"), nil, timestamp.FromTime(predefTimestamp.Add(-24*time.Hour)), timestamp.FromTime(predefTimestamp.Add(time.Hour)), 0, func(res []string) bool {
return len(res) > 0
})
testutil.Ok(t, q.WaitSumMetricsWithOptions(
e2emon.Equals(3),
[]string{"http_requests_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "label_names"))),
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(2),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "label_names"))),
)
// Query is 25h so split to 2 requests.
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(3), []string{"thanos_frontend_split_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "tripperware", "labels"))),
)
})
t.Run("query frontend splitting works for labels values API", func(t *testing.T) {
labelValues(t, ctx, queryFrontend.Endpoint("http"), "instance", nil, timestamp.FromTime(predefTimestamp.Add(-time.Hour)), timestamp.FromTime(predefTimestamp.Add(time.Hour)), 0, func(res []string) bool {
return len(res) == 1 && res[0] == "localhost:9090"
})
testutil.Ok(t, q.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"http_requests_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "label_values"))),
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "label_values"))),
)
// Query is only 2h so it won't be split.
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(4), []string{"thanos_frontend_split_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "tripperware", "labels"))),
)
labelValues(t, ctx, queryFrontend.Endpoint("http"), "instance", nil, timestamp.FromTime(predefTimestamp.Add(-24*time.Hour)), timestamp.FromTime(predefTimestamp.Add(time.Hour)), 0, func(res []string) bool {
return len(res) == 1 && res[0] == "localhost:9090"
})
testutil.Ok(t, q.WaitSumMetricsWithOptions(
e2emon.Equals(3),
[]string{"http_requests_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "label_values"))),
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(2),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "label_values"))),
)
// Query is 25h so split to 2 requests.
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(6), []string{"thanos_frontend_split_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "tripperware", "labels"))),
)
})
t.Run("query frontend splitting works for series API", func(t *testing.T) {
series(
t,
ctx,
queryFrontend.Endpoint("http"),
[]*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "__name__", "up")},
timestamp.FromTime(predefTimestamp.Add(-time.Hour)),
timestamp.FromTime(predefTimestamp.Add(time.Hour)),
0,
func(res []map[string]string) bool {
if len(res) != 1 {
return false
}
return reflect.DeepEqual(res[0], map[string]string{
"__name__": "up",
"instance": "localhost:9090",
"job": "myself",
"prometheus": "test",
"receive": "receive-ingestor-rw",
"tenant_id": "default-tenant",
})
},
)
testutil.Ok(t, q.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"http_requests_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "series"))),
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "series"))),
)
// Query is only 2h so it won't be split.
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(7), []string{"thanos_frontend_split_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "tripperware", "labels"))),
)
series(
t,
ctx,
queryFrontend.Endpoint("http"),
[]*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "__name__", "up")},
timestamp.FromTime(predefTimestamp.Add(-24*time.Hour)),
timestamp.FromTime(predefTimestamp.Add(time.Hour)),
0,
func(res []map[string]string) bool {
if len(res) != 1 {
return false
}
return reflect.DeepEqual(res[0], map[string]string{
"__name__": "up",
"instance": "localhost:9090",
"job": "myself",
"prometheus": "test",
"receive": "receive-ingestor-rw",
"tenant_id": "default-tenant",
})
},
)
testutil.Ok(t, q.WaitSumMetricsWithOptions(
e2emon.Equals(3),
[]string{"http_requests_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "series"))),
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(2),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "series"))),
)
// Query is only 2h so it won't be split.
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(9), []string{"thanos_frontend_split_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "tripperware", "labels"))),
)
})
}
func TestQueryFrontendMemcachedCache(t *testing.T) {
t.Parallel()
e, err := e2e.NewDockerEnvironment("qf-memcached")
testutil.Ok(t, err)
t.Cleanup(e2ethanos.CleanScenario(t, e))
// Predefined timestamp
predefTimestamp := time.Date(2023, time.December, 22, 12, 0, 0, 0, time.UTC)
i := e2ethanos.NewReceiveBuilder(e, "ingestor-rw").WithIngestionEnabled().Init()
testutil.Ok(t, e2e.StartAndWaitReady(i))
q := e2ethanos.NewQuerierBuilder(e, "1", i.InternalEndpoint("grpc")).Init()
testutil.Ok(t, e2e.StartAndWaitReady(q))
memcached := e2ethanos.NewMemcached(e, "1")
testutil.Ok(t, e2e.StartAndWaitReady(memcached))
memCachedConfig := queryfrontend.CacheProviderConfig{
Type: queryfrontend.MEMCACHED,
Config: queryfrontend.MemcachedResponseCacheConfig{
Memcached: cacheutil.MemcachedClientConfig{
Addresses: []string{memcached.InternalEndpoint("memcached")},
MaxIdleConnections: 100,
MaxAsyncConcurrency: 20,
MaxGetMultiConcurrency: 100,
MaxGetMultiBatchSize: 0,
Timeout: time.Minute,
MaxAsyncBufferSize: 10000,
DNSProviderUpdateInterval: 10 * time.Second,
},
},
}
cfg := queryfrontend.Config{}
queryFrontend := e2ethanos.NewQueryFrontend(e, "1", "http://"+q.InternalEndpoint("http"), cfg, memCachedConfig)
testutil.Ok(t, e2e.StartAndWaitReady(queryFrontend))
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
t.Cleanup(cancel)
testutil.Ok(t, remoteWrite(ctx, []prompb.TimeSeries{{
Labels: []prompb.Label{
{Name: "__name__", Value: "up"},
{Name: "instance", Value: "localhost:9090"},
{Name: "job", Value: "myself"},
{Name: "prometheus", Value: "test"},
{Name: "replica", Value: "0"},
},
Samples: []prompb.Sample{
{Value: float64(1), Timestamp: timestamp.FromTime(predefTimestamp)},
}}},
i.Endpoint("remote-write")))
testutil.Ok(t, q.WaitSumMetricsWithOptions(e2emon.Equals(1), []string{"thanos_store_nodes_grpc_connections"}, e2emon.WaitMissingMetrics()))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "cortex_memcache_client_servers"))
// Ensure we can get the result from Querier first so that it
// doesn't need to retry when we send queries to the frontend later.
queryAndAssertSeries(t, ctx, q.Endpoint("http"), e2ethanos.QueryUpWithoutInstance, func() time.Time { return predefTimestamp }, promclient.QueryOptions{
Deduplicate: false,
}, []model.Metric{
{
"job": "myself",
"prometheus": "test",
"receive": "receive-ingestor-rw",
"replica": "0",
"tenant_id": "default-tenant",
},
})
vals, err := q.SumMetrics([]string{"http_requests_total"}, e2emon.WithLabelMatchers(
matchers.MustNewMatcher(matchers.MatchEqual, "handler", "query")))
testutil.Ok(t, err)
testutil.Equals(t, 1, len(vals))
rangeQuery(
t,
ctx,
queryFrontend.Endpoint("http"),
e2ethanos.QueryUpWithoutInstance,
timestamp.FromTime(predefTimestamp.Add(-time.Hour)),
timestamp.FromTime(predefTimestamp.Add(time.Hour)),
14,
promclient.QueryOptions{
Deduplicate: true,
},
func(res model.Matrix) error {
if len(res) == 0 {
return errors.Errorf("expected some results, got nothing")
}
return nil
},
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "query_range"))),
)
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "cortex_cache_fetched_keys_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(0), "cortex_cache_hits_total"))
// Query is only 2h so it won't be split.
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "thanos_frontend_split_queries_total"))
// Run the same range query again, the result can be retrieved from cache directly.
rangeQuery(
t,
ctx,
queryFrontend.Endpoint("http"),
e2ethanos.QueryUpWithoutInstance,
timestamp.FromTime(predefTimestamp.Add(-time.Hour)),
timestamp.FromTime(predefTimestamp.Add(time.Hour)),
14,
promclient.QueryOptions{
Deduplicate: true,
},
func(res model.Matrix) error {
if len(res) == 0 {
return errors.Errorf("expected some results, got nothing")
}
return nil
},
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(2),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "query_range"))),
)
// Query is only 2h so it won't be split.
// If it was split this would be increase by more then 1.
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(2), "thanos_frontend_split_queries_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(2), "cortex_cache_fetched_keys_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(1), "cortex_cache_hits_total"))
}
func TestRangeQueryShardingWithRandomData(t *testing.T) {
t.Parallel()
e, err := e2e.NewDockerEnvironment("rq-sharding")
testutil.Ok(t, err)
t.Cleanup(e2ethanos.CleanScenario(t, e))
i := e2ethanos.NewReceiveBuilder(e, "ingestor-rw").WithIngestionEnabled().Init()
testutil.Ok(t, e2e.StartAndWaitReady(i))
predefTimestamp := model.TimeFromUnixNano(time.Date(2023, time.December, 22, 12, 0, 0, 0, time.UTC).UnixNano())
ctx := context.Background()
timeSeries := []labels.Labels{
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "1"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "1"}, {Name: "handler", Value: "/metrics"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "2"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "2"}, {Name: "handler", Value: "/metrics"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "3"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "3"}, {Name: "handler", Value: "/metrics"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "4"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "4"}, {Name: "handler", Value: "/metrics"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "5"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "5"}, {Name: "handler", Value: "/metrics"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "6"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "6"}, {Name: "handler", Value: "/metrics"}},
}
// Ensure labels are ordered.
for _, ts := range timeSeries {
sort.Slice(ts, func(i, j int) bool {
return ts[i].Name < ts[j].Name
})
}
samplespb := make([]prompb.TimeSeries, 0, len(timeSeries))
for _, labels := range timeSeries {
labelspb := make([]prompb.Label, 0, len(labels))
for _, label := range labels {
labelspb = append(labelspb, prompb.Label{
Name: string(label.Name),
Value: string(label.Value),
})
}
samplespb = append(samplespb, prompb.TimeSeries{
Labels: labelspb,
Samples: []prompb.Sample{
{
Value: float64(1),
Timestamp: timestamp.FromTime(predefTimestamp.Time()),
},
},
})
}
testutil.Ok(t, remoteWrite(ctx, samplespb, i.Endpoint("remote-write")))
q1 := e2ethanos.NewQuerierBuilder(e, "q1", i.InternalEndpoint("grpc")).Init()
testutil.Ok(t, e2e.StartAndWaitReady(q1))
inMemoryCacheConfig := queryfrontend.CacheProviderConfig{
Type: queryfrontend.INMEMORY,
Config: queryfrontend.InMemoryResponseCacheConfig{
MaxSizeItems: 1000,
Validity: time.Hour,
},
}
config := queryfrontend.Config{
QueryRangeConfig: queryfrontend.QueryRangeConfig{
AlignRangeWithStep: false,
},
NumShards: 2,
}
qfe := e2ethanos.NewQueryFrontend(e, "query-frontend", "http://"+q1.InternalEndpoint("http"), config, inMemoryCacheConfig)
testutil.Ok(t, e2e.StartAndWaitReady(qfe))
qryFunc := func() string { return `sum by (pod) (http_requests_total)` }
queryOpts := promclient.QueryOptions{Deduplicate: true}
startTime := timestamp.FromTime(predefTimestamp.Time().Add(-1 * time.Hour))
endTime := timestamp.FromTime(predefTimestamp.Time().Add(1 * time.Hour))
var resultWithoutSharding model.Matrix
rangeQuery(t, ctx, q1.Endpoint("http"), qryFunc, startTime, endTime, 30, queryOpts, func(res model.Matrix) error {
resultWithoutSharding = res
return nil
})
var resultWithSharding model.Matrix
rangeQuery(t, ctx, qfe.Endpoint("http"), qryFunc, startTime, endTime, 30, queryOpts, func(res model.Matrix) error {
resultWithSharding = res
return nil
})
testutil.Equals(t, resultWithoutSharding, resultWithSharding)
}
func TestRangeQueryDynamicHorizontalSharding(t *testing.T) {
t.Parallel()
e, err := e2e.New(e2e.WithName("qfe-dyn-sharding"))
testutil.Ok(t, err)
t.Cleanup(e2ethanos.CleanScenario(t, e))
predefTimestamp := time.Date(2023, time.December, 22, 12, 0, 0, 0, time.UTC)
i := e2ethanos.NewReceiveBuilder(e, "ingestor-rw").WithIngestionEnabled().Init()
testutil.Ok(t, e2e.StartAndWaitReady(i))
querier := e2ethanos.NewQuerierBuilder(e, "1", i.InternalEndpoint("grpc")).Init()
testutil.Ok(t, e2e.StartAndWaitReady(querier))
inMemoryCacheConfig := queryfrontend.CacheProviderConfig{
Type: queryfrontend.INMEMORY,
Config: queryfrontend.InMemoryResponseCacheConfig{
MaxSizeItems: 1000,
Validity: time.Hour,
},
}
cfg := queryfrontend.Config{
QueryRangeConfig: queryfrontend.QueryRangeConfig{
MinQuerySplitInterval: time.Hour,
MaxQuerySplitInterval: 12 * time.Hour,
HorizontalShards: 4,
SplitQueriesByInterval: 0,
},
}
queryFrontend := e2ethanos.NewQueryFrontend(e, "1", "http://"+querier.InternalEndpoint("http"), cfg, inMemoryCacheConfig)
testutil.Ok(t, e2e.StartAndWaitReady(queryFrontend))
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
t.Cleanup(cancel)
testutil.Ok(t, remoteWrite(ctx, []prompb.TimeSeries{{
Labels: []prompb.Label{
{Name: "__name__", Value: "up"},
{Name: "instance", Value: "localhost:9090"},
{Name: "job", Value: "myself"},
{Name: "prometheus", Value: "test"},
{Name: "replica", Value: "0"},
},
Samples: []prompb.Sample{
{Value: float64(1), Timestamp: timestamp.FromTime(predefTimestamp)},
}}},
i.Endpoint("remote-write")))
testutil.Ok(t, querier.WaitSumMetricsWithOptions(e2emon.Equals(1), []string{"thanos_store_nodes_grpc_connections"}, e2emon.WaitMissingMetrics()))
// Ensure we can get the result from Querier first so that it
// doesn't need to retry when we send queries to the frontend later.
queryAndAssertSeries(t, ctx, querier.Endpoint("http"), e2ethanos.QueryUpWithoutInstance, func() time.Time { return predefTimestamp }, promclient.QueryOptions{
Deduplicate: false,
}, []model.Metric{
{
"job": "myself",
"prometheus": "test",
"receive": "receive-ingestor-rw",
"replica": "0",
"tenant_id": "default-tenant",
},
})
// -- test starts here --
rangeQuery(
t,
ctx,
queryFrontend.Endpoint("http"),
e2ethanos.QueryUpWithoutInstance,
timestamp.FromTime(predefTimestamp.Add(-time.Hour)),
timestamp.FromTime(predefTimestamp.Add(time.Hour)),
14,
promclient.QueryOptions{
Deduplicate: true,
},
func(res model.Matrix) error {
if len(res) == 0 {
return errors.Errorf("expected some results, got nothing")
}
return nil
},
)
testutil.Ok(t, queryFrontend.WaitSumMetricsWithOptions(
e2emon.Equals(1),
[]string{"thanos_query_frontend_queries_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "op", "query_range")),
))
// make sure that we don't break cortex cache code.
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(4), "cortex_cache_fetched_keys_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(0), "cortex_cache_hits_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(4), "querier_cache_added_new_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(4), "querier_cache_added_total"))
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(4), "querier_cache_misses_total"))
// Query interval is 2 hours, which is greater than min-slit-interval, query will be broken down into 4 parts
testutil.Ok(t, queryFrontend.WaitSumMetrics(e2emon.Equals(4), "thanos_frontend_split_queries_total"))
testutil.Ok(t, querier.WaitSumMetricsWithOptions(
e2emon.Equals(4),
[]string{"http_requests_total"},
e2emon.WithLabelMatchers(matchers.MustNewMatcher(matchers.MatchEqual, "handler", "query_range")),
))
}
func TestInstantQueryShardingWithRandomData(t *testing.T) {
t.Parallel()
e, err := e2e.NewDockerEnvironment("query-sharding")
testutil.Ok(t, err)
t.Cleanup(e2ethanos.CleanScenario(t, e))
i := e2ethanos.NewReceiveBuilder(e, "ingestor-rw").WithIngestionEnabled().Init()
testutil.Ok(t, e2e.StartAndWaitReady(i))
predefTimestamp := model.TimeFromUnixNano(time.Date(2023, time.December, 22, 12, 0, 0, 0, time.UTC).UnixNano())
ctx := context.Background()
timeSeries := []labels.Labels{
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "1"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "1"}, {Name: "handler", Value: "/metrics"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "2"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "2"}, {Name: "handler", Value: "/metrics"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "3"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "3"}, {Name: "handler", Value: "/metrics"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "4"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "4"}, {Name: "handler", Value: "/metrics"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "5"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "5"}, {Name: "handler", Value: "/metrics"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "6"}, {Name: "handler", Value: "/"}},
{{Name: labels.MetricName, Value: "http_requests_total"}, {Name: "pod", Value: "6"}, {Name: "handler", Value: "/metrics"}},
}
// Ensure labels are ordered.
for _, ts := range timeSeries {
sort.Slice(ts, func(i, j int) bool {
return ts[i].Name < ts[j].Name
})
}
samplespb := make([]prompb.TimeSeries, 0, len(timeSeries))
for _, labels := range timeSeries {
labelspb := make([]prompb.Label, 0, len(labels))
for _, label := range labels {
labelspb = append(labelspb, prompb.Label{
Name: string(label.Name),
Value: string(label.Value),
})
}
samplespb = append(samplespb, prompb.TimeSeries{
Labels: labelspb,
Samples: []prompb.Sample{
{
Value: float64(1),
Timestamp: timestamp.FromTime(predefTimestamp.Time()),
},
},
})
}
testutil.Ok(t, remoteWrite(ctx, samplespb, i.Endpoint("remote-write")))
q1 := e2ethanos.NewQuerierBuilder(e, "q1", i.InternalEndpoint("grpc")).Init()
testutil.Ok(t, e2e.StartAndWaitReady(q1))
inMemoryCacheConfig := queryfrontend.CacheProviderConfig{
Type: queryfrontend.INMEMORY,
Config: queryfrontend.InMemoryResponseCacheConfig{
MaxSizeItems: 1000,
Validity: time.Hour,
},
}
config := queryfrontend.Config{
QueryRangeConfig: queryfrontend.QueryRangeConfig{
AlignRangeWithStep: false,
},
NumShards: 2,
}
qfe := e2ethanos.NewQueryFrontend(e, "query-frontend", "http://"+q1.InternalEndpoint("http"), config, inMemoryCacheConfig)
testutil.Ok(t, e2e.StartAndWaitReady(qfe))
queryOpts := promclient.QueryOptions{Deduplicate: true}
for _, tc := range []struct {
name string
qryFunc func() string
expectedSeries int
}{
{
name: "aggregation",
qryFunc: func() string { return `sum(http_requests_total)` },
expectedSeries: 1,
},
{
name: "outer aggregation with no grouping",
qryFunc: func() string { return `count(sum by (pod) (http_requests_total))` },
expectedSeries: 1,
},
{
name: "scalar",
qryFunc: func() string { return `1 + 1` },
expectedSeries: 1,
},
{
name: "binary expression",
qryFunc: func() string { return `http_requests_total{pod="1"} / http_requests_total` },
expectedSeries: 2,
},
{
name: "binary expression with constant",
qryFunc: func() string { return `http_requests_total / 2` },
expectedSeries: 12,
},
{
name: "vector selector",
qryFunc: func() string { return `http_requests_total` },
expectedSeries: 12,
},
{
name: "aggregation with grouping",
qryFunc: func() string { return `sum by (pod) (http_requests_total)` },
expectedSeries: 6,
},
{
name: "aggregate without grouping",
qryFunc: func() string { return `sum without (pod) (http_requests_total)` },
expectedSeries: 2,
},
{
name: "multiple aggregations with grouping",
qryFunc: func() string { return `max by (handler) (sum(http_requests_total) by (pod, handler))` },
expectedSeries: 2,
},
} {
t.Run(tc.name, func(t *testing.T) {
resultWithoutSharding := instantQuery(t, ctx, q1.Endpoint("http"), tc.qryFunc, func() time.Time {
return predefTimestamp.Time()
}, queryOpts, tc.expectedSeries)
resultWithSharding := instantQuery(t, ctx, qfe.Endpoint("http"), tc.qryFunc, func() time.Time {
return predefTimestamp.Time()
}, queryOpts, tc.expectedSeries)
testutil.Equals(t, resultWithoutSharding, resultWithSharding)
})
}
}
func TestQueryFrontendTenantForward(t *testing.T) {
t.Parallel()
tests := []struct {
name string
customTenantHeaderName string
tenantName string
}{
{
name: "default tenant header name with a tenant name",
customTenantHeaderName: tenancy.DefaultTenantHeader,
tenantName: "test-tenant",
},
{
name: "default tenant header name without a tenant name",
customTenantHeaderName: tenancy.DefaultTenantHeader,
},
{
name: "custom tenant header name with a tenant name",
customTenantHeaderName: "X-Foobar-Tenant",
tenantName: "test-tenant",
},
{
name: "custom tenant header name without a tenant name",
customTenantHeaderName: "X-Foobar-Tenant",
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
if tc.tenantName == "" {
tc.tenantName = tenancy.DefaultTenant
}
// Use a shorthash of tc.name as e2e env name because the random name generator is having a collision for
// some reason.
e2ename := fmt.Sprintf("%x", sha256.Sum256([]byte(tc.name)))[:8]
e, err := e2e.New(e2e.WithName(e2ename))
testutil.Ok(t, err)
t.Cleanup(e2ethanos.CleanScenario(t, e))
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNoContent)
// The tenant header present in the outgoing request should be the default tenant header.
testutil.Equals(t, tc.tenantName, r.Header.Get(tenancy.DefaultTenantHeader))
// In case the query frontend is configured with a custom tenant header name, verify such header
// is not present in the outgoing request.
if tc.customTenantHeaderName != tenancy.DefaultTenantHeader {
testutil.Equals(t, "", r.Header.Get(tc.customTenantHeaderName))
}
// Verify the outgoing request will keep the X-Scope-OrgID header for compatibility with Cortex.
testutil.Equals(t, tc.tenantName, r.Header.Get("X-Scope-OrgID"))
}))
t.Cleanup(ts.Close)
tsPort := urlParse(t, ts.URL).Port()
inMemoryCacheConfig := queryfrontend.CacheProviderConfig{
Type: queryfrontend.INMEMORY,
Config: queryfrontend.InMemoryResponseCacheConfig{
MaxSizeItems: 1000,
Validity: time.Hour,
},
}
queryFrontendConfig := queryfrontend.Config{
TenantHeader: tc.customTenantHeaderName,
}
queryFrontend := e2ethanos.NewQueryFrontend(
e,
"qfe",
fmt.Sprintf("http://%s:%s", e.HostAddr(), tsPort),
queryFrontendConfig,
inMemoryCacheConfig,
)
testutil.Ok(t, e2e.StartAndWaitReady(queryFrontend))
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
t.Cleanup(cancel)