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loki_micro_services_test.go
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//go:build integration
package integration
import (
"context"
"encoding/json"
"fmt"
"math/rand"
"strings"
"sync"
"testing"
"time"
"github.com/go-kit/log/level"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/common/expfmt"
"github.com/prometheus/prometheus/model/labels"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/exp/slices"
"google.golang.org/protobuf/proto"
"github.com/grafana/loki/v3/integration/client"
"github.com/grafana/loki/v3/integration/cluster"
"github.com/grafana/loki/v3/pkg/storage"
"github.com/grafana/loki/v3/pkg/util/httpreq"
"github.com/grafana/loki/v3/pkg/util/querylimits"
)
func TestMicroServicesIngestQuery(t *testing.T) {
clu := cluster.New(nil, cluster.SchemaWithTSDBAndTSDB, func(c *cluster.Cluster) {
c.SetSchemaVer("v13")
})
defer func() {
assert.NoError(t, clu.Cleanup())
}()
// run initially the compactor, indexgateway, and distributor.
var (
tCompactor = clu.AddComponent(
"compactor",
"-target=compactor",
"-compactor.compaction-interval=1s",
"-compactor.retention-delete-delay=1s",
// By default, a minute is added to the delete request start time. This compensates for that.
"-compactor.delete-request-cancel-period=-60s",
"-compactor.deletion-mode=filter-and-delete",
)
tIndexGateway = clu.AddComponent(
"index-gateway",
"-target=index-gateway",
)
tDistributor = clu.AddComponent(
"distributor",
"-target=distributor",
)
)
require.NoError(t, clu.Run())
// then, run only the ingester and query scheduler.
var (
tIngester = clu.AddComponent(
"ingester",
"-target=ingester",
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
)
tQueryScheduler = clu.AddComponent(
"query-scheduler",
"-target=query-scheduler",
"-query-scheduler.use-scheduler-ring=false",
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
)
)
require.NoError(t, clu.Run())
// the run querier.
var (
tQuerier = clu.AddComponent(
"querier",
"-target=querier",
"-querier.scheduler-address="+tQueryScheduler.GRPCURL(),
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
"-common.compactor-address="+tCompactor.HTTPURL(),
)
)
require.NoError(t, clu.Run())
// finally, run the query-frontend.
var (
tQueryFrontend = clu.AddComponent(
"query-frontend",
"-target=query-frontend",
"-frontend.scheduler-address="+tQueryScheduler.GRPCURL(),
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
"-common.compactor-address="+tCompactor.HTTPURL(),
"-querier.per-request-limits-enabled=true",
"-frontend.encoding=protobuf",
"-querier.shard-aggregations=quantile_over_time",
"-frontend.tail-proxy-url="+tQuerier.HTTPURL(),
)
)
require.NoError(t, clu.Run())
tenantID := randStringRunes()
now := time.Now()
cliDistributor := client.New(tenantID, "", tDistributor.HTTPURL())
cliDistributor.Now = now
cliIngester := client.New(tenantID, "", tIngester.HTTPURL())
cliIngester.Now = now
cliQueryFrontend := client.New(tenantID, "", tQueryFrontend.HTTPURL())
cliQueryFrontend.Now = now
t.Run("ingest-logs", func(t *testing.T) {
// ingest some log lines
require.NoError(t, cliDistributor.PushLogLine("lineA", now.Add(-45*time.Minute), nil, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineB", now.Add(-45*time.Minute), nil, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineC", now, nil, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineD", now, nil, map[string]string{"job": "fake"}))
})
t.Run("query", func(t *testing.T) {
resp, err := cliQueryFrontend.RunRangeQuery(context.Background(), `{job="fake"}`)
require.NoError(t, err)
assert.Equal(t, "streams", resp.Data.ResultType)
var lines []string
for _, stream := range resp.Data.Stream {
for _, val := range stream.Values {
lines = append(lines, val[1])
}
}
assert.ElementsMatch(t, []string{"lineA", "lineB", "lineC", "lineD"}, lines)
})
t.Run("label-names", func(t *testing.T) {
resp, err := cliQueryFrontend.LabelNames(context.Background())
require.NoError(t, err)
assert.ElementsMatch(t, []string{"job"}, resp)
})
t.Run("label-values", func(t *testing.T) {
resp, err := cliQueryFrontend.LabelValues(context.Background(), "job")
require.NoError(t, err)
assert.ElementsMatch(t, []string{"fake"}, resp)
})
t.Run("series", func(t *testing.T) {
resp, err := cliQueryFrontend.Series(context.Background(), `{job="fake"}`)
require.NoError(t, err)
assert.ElementsMatch(t, []map[string]string{{"job": "fake"}}, resp)
})
t.Run("series error", func(t *testing.T) {
_, err := cliQueryFrontend.Series(context.Background(), `{job="fake"}|= "search"`)
require.ErrorContains(t, err, "status code 400: only label matchers are supported")
})
t.Run("stats error", func(t *testing.T) {
_, err := cliQueryFrontend.Stats(context.Background(), `{job="fake"}|= "search"`)
require.ErrorContains(t, err, "status code 400: only label matchers are supported")
})
t.Run("per-request-limits", func(t *testing.T) {
queryLimitsPolicy := client.InjectHeadersOption(map[string][]string{querylimits.HTTPHeaderQueryLimitsKey: {`{"maxQueryLength": "1m"}`}})
cliQueryFrontendLimited := client.New(tenantID, "", tQueryFrontend.HTTPURL(), queryLimitsPolicy)
cliQueryFrontendLimited.Now = now
_, err := cliQueryFrontendLimited.LabelNames(context.Background())
require.ErrorContains(t, err, "the query time range exceeds the limit (query length")
})
t.Run("tail", func(t *testing.T) {
ctx, cancelFunc := context.WithCancel(context.Background())
defer cancelFunc()
out := make(chan client.TailResult)
wc, err := cliQueryFrontend.Tail(ctx, `{job="fake"}`, out)
require.NoError(t, err)
defer wc.Close()
var lines []string
mu := sync.Mutex{}
done := make(chan struct{})
go func() {
for resp := range out {
require.NoError(t, resp.Err)
for _, stream := range resp.Response.Streams {
for _, e := range stream.Entries {
mu.Lock()
lines = append(lines, e.Line)
mu.Unlock()
}
}
}
done <- struct{}{}
}()
assert.Eventually(
t,
func() bool {
mu.Lock()
defer mu.Unlock()
return len(lines) == 4
},
10*time.Second,
100*time.Millisecond,
)
wc.Close()
cancelFunc()
<-done
assert.ElementsMatch(t, []string{"lineA", "lineB", "lineC", "lineD"}, lines)
})
}
func TestMicroServicesIngestQueryWithSchemaChange(t *testing.T) {
// init the cluster with a single tsdb period. Uses prefix index_tsdb_
clu := cluster.New(nil, cluster.SchemaWithTSDB)
defer func() {
assert.NoError(t, clu.Cleanup())
}()
// initially, run only compactor and distributor.
var (
tCompactor = clu.AddComponent(
"compactor",
"-target=compactor",
"-compactor.compaction-interval=1s",
"-validation.allow-structured-metadata=false",
)
tDistributor = clu.AddComponent(
"distributor",
"-target=distributor",
"-validation.allow-structured-metadata=false",
)
)
require.NoError(t, clu.Run())
// then, run only ingester and query-scheduler.
var (
tIngester = clu.AddComponent(
"ingester",
"-target=ingester",
"-ingester.flush-on-shutdown=true",
"-validation.allow-structured-metadata=false",
)
tQueryScheduler = clu.AddComponent(
"query-scheduler",
"-target=query-scheduler",
"-query-scheduler.use-scheduler-ring=false",
"-validation.allow-structured-metadata=false",
)
)
require.NoError(t, clu.Run())
// finally, run the query-frontend and querier.
var (
tQueryFrontend = clu.AddComponent(
"query-frontend",
"-target=query-frontend",
"-frontend.scheduler-address="+tQueryScheduler.GRPCURL(),
"-frontend.default-validity=0s",
"-common.compactor-address="+tCompactor.HTTPURL(),
"-validation.allow-structured-metadata=false",
)
tQuerier = clu.AddComponent(
"querier",
"-target=querier",
"-querier.scheduler-address="+tQueryScheduler.GRPCURL(),
"-common.compactor-address="+tCompactor.HTTPURL(),
"-validation.allow-structured-metadata=false",
)
)
require.NoError(t, clu.Run())
tenantID := randStringRunes()
now := time.Now()
cliDistributor := client.New(tenantID, "", tDistributor.HTTPURL())
cliDistributor.Now = now
cliIngester := client.New(tenantID, "", tIngester.HTTPURL())
cliIngester.Now = now
cliQueryFrontend := client.New(tenantID, "", tQueryFrontend.HTTPURL())
cliQueryFrontend.Now = now
t.Run("ingest-logs", func(t *testing.T) {
require.NoError(t, cliDistributor.PushLogLine("lineA", time.Now().Add(-72*time.Hour), nil, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineB", time.Now().Add(-48*time.Hour), nil, map[string]string{"job": "fake"}))
})
t.Run("query-lookback-default", func(t *testing.T) {
// queries ingesters with the default lookback period (3h)
resp, err := cliQueryFrontend.RunRangeQuery(context.Background(), `{job="fake"}`)
require.NoError(t, err)
assert.Equal(t, "streams", resp.Data.ResultType)
var lines []string
for _, stream := range resp.Data.Stream {
for _, val := range stream.Values {
lines = append(lines, val[1])
}
}
assert.ElementsMatch(t, []string{}, lines)
})
t.Run("query-lookback-7d", func(t *testing.T) {
tQuerier.AddFlags("-querier.query-ingesters-within=168h")
require.NoError(t, tQuerier.Restart())
resp, err := cliQueryFrontend.RunRangeQuery(context.Background(), `{job="fake"}`)
require.NoError(t, err)
assert.Equal(t, "streams", resp.Data.ResultType)
var lines []string
for _, stream := range resp.Data.Stream {
for _, val := range stream.Values {
lines = append(lines, val[1])
}
}
assert.ElementsMatch(t, []string{"lineA", "lineB"}, lines)
tQuerier.AddFlags("-querier.query-ingesters-within=3h")
require.NoError(t, tQuerier.Restart())
})
t.Run("flush-logs-and-restart-ingester-querier", func(t *testing.T) {
// restart ingester which should flush the chunks and index
require.NoError(t, tIngester.Restart())
// restart querier and index shipper to sync the index
tQuerier.AddFlags("-querier.query-store-only=true")
require.NoError(t, tQuerier.Restart())
})
// Query lines
t.Run("query again to verify logs being served from storage", func(t *testing.T) {
resp, err := cliQueryFrontend.RunRangeQuery(context.Background(), `{job="fake"}`)
require.NoError(t, err)
assert.Equal(t, "streams", resp.Data.ResultType)
var lines []string
for _, stream := range resp.Data.Stream {
for _, val := range stream.Values {
lines = append(lines, val[1])
}
}
assert.ElementsMatch(t, []string{"lineA", "lineB"}, lines)
tQuerier.AddFlags("-querier.query-store-only=false")
require.NoError(t, tQuerier.Restart())
})
// Add new tsdb period with a different index prefix(index_)
clu.ResetSchemaConfig()
cluster.SchemaWithTSDBAndTSDB(clu)
// restart to load the new schema
require.NoError(t, tIngester.Restart())
require.NoError(t, tQuerier.Restart())
t.Run("ingest-logs-new-period", func(t *testing.T) {
// ingest logs to the new period
require.NoError(t, cliDistributor.PushLogLine("lineC", now, nil, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineD", now, nil, map[string]string{"job": "fake"}))
})
t.Run("query-both-periods-with-default-lookback", func(t *testing.T) {
// queries with the default lookback period (3h)
resp, err := cliQueryFrontend.RunRangeQuery(context.Background(), `{job="fake"}`)
require.NoError(t, err)
assert.Equal(t, "streams", resp.Data.ResultType)
var lines []string
for _, stream := range resp.Data.Stream {
for _, val := range stream.Values {
lines = append(lines, val[1])
}
}
assert.ElementsMatch(t, []string{"lineA", "lineB", "lineC", "lineD"}, lines)
})
t.Run("flush-logs-and-restart-ingester-querier", func(t *testing.T) {
// restart ingester which should flush the chunks and index
require.NoError(t, tIngester.Restart())
// restart querier and index shipper to sync the index
tQuerier.AddFlags("-querier.query-store-only=true")
require.NoError(t, tQuerier.Restart())
})
// Query lines
t.Run("query both periods to verify logs being served from storage", func(t *testing.T) {
resp, err := cliQueryFrontend.RunRangeQuery(context.Background(), `{job="fake"}`)
require.NoError(t, err)
assert.Equal(t, "streams", resp.Data.ResultType)
var lines []string
for _, stream := range resp.Data.Stream {
for _, val := range stream.Values {
lines = append(lines, val[1])
}
}
assert.ElementsMatch(t, []string{"lineA", "lineB", "lineC", "lineD"}, lines)
})
}
func TestMicroServicesIngestQueryOverMultipleBucketSingleProvider(t *testing.T) {
for name, opt := range map[string]func(c *cluster.Cluster){
"boltdb-index": cluster.SchemaWithBoltDBAndBoltDB,
"tsdb-index": cluster.SchemaWithTSDBAndTSDB,
"boltdb-and-tsdb": cluster.SchemaWithBoltDBAndTSDB,
} {
t.Run(name, func(t *testing.T) {
clu := cluster.New(nil, opt)
defer func() {
assert.NoError(t, clu.Cleanup())
}()
// initially, run only compactor and distributor.
var (
tCompactor = clu.AddComponent(
"compactor",
"-target=compactor",
"-compactor.compaction-interval=1s",
"-validation.allow-structured-metadata=false",
)
tDistributor = clu.AddComponent(
"distributor",
"-target=distributor",
"-validation.allow-structured-metadata=false",
)
)
require.NoError(t, clu.Run())
// then, run only ingester and query-scheduler.
var (
tIngester = clu.AddComponent(
"ingester",
"-target=ingester",
"-ingester.flush-on-shutdown=true",
"-validation.allow-structured-metadata=false",
)
tQueryScheduler = clu.AddComponent(
"query-scheduler",
"-target=query-scheduler",
"-query-scheduler.use-scheduler-ring=false",
"-validation.allow-structured-metadata=false",
)
)
require.NoError(t, clu.Run())
// finally, run the query-frontend and querier.
var (
tQueryFrontend = clu.AddComponent(
"query-frontend",
"-target=query-frontend",
"-frontend.scheduler-address="+tQueryScheduler.GRPCURL(),
"-frontend.default-validity=0s",
"-common.compactor-address="+tCompactor.HTTPURL(),
"-validation.allow-structured-metadata=false",
)
tQuerier = clu.AddComponent(
"querier",
"-target=querier",
"-querier.scheduler-address="+tQueryScheduler.GRPCURL(),
"-common.compactor-address="+tCompactor.HTTPURL(),
"-validation.allow-structured-metadata=false",
)
)
require.NoError(t, clu.Run())
tenantID := randStringRunes()
now := time.Now()
cliDistributor := client.New(tenantID, "", tDistributor.HTTPURL())
cliDistributor.Now = now
cliIngester := client.New(tenantID, "", tIngester.HTTPURL())
cliIngester.Now = now
cliQueryFrontend := client.New(tenantID, "", tQueryFrontend.HTTPURL())
cliQueryFrontend.Now = now
t.Run("ingest-logs", func(t *testing.T) {
require.NoError(t, cliDistributor.PushLogLine("lineA", time.Now().Add(-48*time.Hour), nil, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineB", time.Now().Add(-36*time.Hour), nil, map[string]string{"job": "fake"}))
// ingest logs to the current period
require.NoError(t, cliDistributor.PushLogLine("lineC", now, nil, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineD", now, nil, map[string]string{"job": "fake"}))
})
t.Run("query-lookback-default", func(t *testing.T) {
// queries ingesters with the default lookback period (3h)
resp, err := cliQueryFrontend.RunRangeQuery(context.Background(), `{job="fake"}`)
require.NoError(t, err)
assert.Equal(t, "streams", resp.Data.ResultType)
var lines []string
for _, stream := range resp.Data.Stream {
for _, val := range stream.Values {
lines = append(lines, val[1])
}
}
assert.ElementsMatch(t, []string{"lineC", "lineD"}, lines)
})
t.Run("flush-logs-and-restart-ingester-querier", func(t *testing.T) {
// restart ingester which should flush the chunks and index
require.NoError(t, tIngester.Restart())
// restart querier and index shipper to sync the index
storage.ResetBoltDBIndexClientsWithShipper()
tQuerier.AddFlags("-querier.query-store-only=true")
require.NoError(t, tQuerier.Restart())
})
// Query lines
t.Run("query again to verify logs being served from storage", func(t *testing.T) {
resp, err := cliQueryFrontend.RunRangeQuery(context.Background(), `{job="fake"}`)
require.NoError(t, err)
assert.Equal(t, "streams", resp.Data.ResultType)
var lines []string
for _, stream := range resp.Data.Stream {
for _, val := range stream.Values {
lines = append(lines, val[1])
}
}
assert.ElementsMatch(t, []string{"lineA", "lineB", "lineC", "lineD"}, lines)
})
})
}
}
func TestSchedulerRing(t *testing.T) {
clu := cluster.New(nil, cluster.SchemaWithTSDB, func(c *cluster.Cluster) {
c.SetSchemaVer("v13")
})
defer func() {
assert.NoError(t, clu.Cleanup())
}()
// run initially the compactor, indexgateway, and distributor.
var (
tCompactor = clu.AddComponent(
"compactor",
"-target=compactor",
"-compactor.compaction-interval=1s",
"-compactor.retention-delete-delay=1s",
// By default, a minute is added to the delete request start time. This compensates for that.
"-compactor.delete-request-cancel-period=-60s",
"-compactor.deletion-mode=filter-and-delete",
)
tIndexGateway = clu.AddComponent(
"index-gateway",
"-target=index-gateway",
)
tDistributor = clu.AddComponent(
"distributor",
"-target=distributor",
)
)
require.NoError(t, clu.Run())
// then, run only the ingester and query scheduler.
var (
tIngester = clu.AddComponent(
"ingester",
"-target=ingester",
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
)
tQueryScheduler = clu.AddComponent(
"query-scheduler",
"-target=query-scheduler",
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
"-query-scheduler.use-scheduler-ring=true",
)
)
require.NoError(t, clu.Run())
// finally, run the query-frontend and querier.
var (
tQueryFrontend = clu.AddComponent(
"query-frontend",
"-target=query-frontend",
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
"-common.compactor-address="+tCompactor.HTTPURL(),
"-querier.per-request-limits-enabled=true",
"-query-scheduler.use-scheduler-ring=true",
"-frontend.scheduler-worker-concurrency=5",
)
_ = clu.AddComponent(
"querier",
"-target=querier",
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
"-common.compactor-address="+tCompactor.HTTPURL(),
"-query-scheduler.use-scheduler-ring=true",
"-querier.max-concurrent=4",
)
)
require.NoError(t, clu.Run())
tenantID := randStringRunes()
now := time.Now()
cliDistributor := client.New(tenantID, "", tDistributor.HTTPURL())
cliDistributor.Now = now
cliIngester := client.New(tenantID, "", tIngester.HTTPURL())
cliIngester.Now = now
cliQueryFrontend := client.New(tenantID, "", tQueryFrontend.HTTPURL())
cliQueryFrontend.Now = now
cliQueryScheduler := client.New(tenantID, "", tQueryScheduler.HTTPURL())
cliQueryScheduler.Now = now
t.Run("verify-scheduler-connections", func(t *testing.T) {
require.Eventually(t, func() bool {
// Check metrics to see if query scheduler is connected with query-frontend
metrics, err := cliQueryScheduler.Metrics()
require.NoError(t, err)
return getMetricValue(t, "loki_query_scheduler_connected_frontend_clients", metrics) == 5
}, 5*time.Second, 500*time.Millisecond)
require.Eventually(t, func() bool {
// Check metrics to see if query scheduler is connected with query-frontend
metrics, err := cliQueryScheduler.Metrics()
require.NoError(t, err)
return getMetricValue(t, "loki_query_scheduler_connected_querier_clients", metrics) == 4
}, 5*time.Second, 500*time.Millisecond)
})
t.Run("ingest-logs", func(t *testing.T) {
// ingest some log lines
require.NoError(t, cliDistributor.PushLogLine("lineA", now.Add(-45*time.Minute), nil, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineB", now.Add(-45*time.Minute), nil, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineC", now, nil, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineD", now, nil, map[string]string{"job": "fake"}))
})
t.Run("query", func(t *testing.T) {
resp, err := cliQueryFrontend.RunRangeQuery(context.Background(), `{job="fake"}`)
require.NoError(t, err)
assert.Equal(t, "streams", resp.Data.ResultType)
var lines []string
for _, stream := range resp.Data.Stream {
for _, val := range stream.Values {
lines = append(lines, val[1])
}
}
assert.ElementsMatch(t, []string{"lineA", "lineB", "lineC", "lineD"}, lines)
})
}
func TestOTLPLogsIngestQuery(t *testing.T) {
clu := cluster.New(nil, cluster.SchemaWithTSDB, func(c *cluster.Cluster) {
c.SetSchemaVer("v13")
})
defer func() {
assert.NoError(t, clu.Cleanup())
}()
// run initially the compactor, indexgateway, and distributor.
var (
tCompactor = clu.AddComponent(
"compactor",
"-target=compactor",
"-compactor.compaction-interval=1s",
"-compactor.retention-delete-delay=1s",
// By default, a minute is added to the delete request start time. This compensates for that.
"-compactor.delete-request-cancel-period=-60s",
"-compactor.deletion-mode=filter-and-delete",
)
tIndexGateway = clu.AddComponent(
"index-gateway",
"-target=index-gateway",
)
tDistributor = clu.AddComponent(
"distributor",
"-target=distributor",
)
)
require.NoError(t, clu.Run())
// then, run only the ingester and query scheduler.
var (
tIngester = clu.AddComponent(
"ingester",
"-target=ingester",
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
)
tQueryScheduler = clu.AddComponent(
"query-scheduler",
"-target=query-scheduler",
"-query-scheduler.use-scheduler-ring=false",
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
)
)
require.NoError(t, clu.Run())
// finally, run the query-frontend and querier.
var (
tQueryFrontend = clu.AddComponent(
"query-frontend",
"-target=query-frontend",
"-frontend.scheduler-address="+tQueryScheduler.GRPCURL(),
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
"-common.compactor-address="+tCompactor.HTTPURL(),
"-querier.per-request-limits-enabled=true",
"-frontend.encoding=protobuf",
)
_ = clu.AddComponent(
"querier",
"-target=querier",
"-querier.scheduler-address="+tQueryScheduler.GRPCURL(),
"-boltdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
"-common.compactor-address="+tCompactor.HTTPURL(),
)
)
require.NoError(t, clu.Run())
tenantID := randStringRunes()
now := time.Now()
cliDistributor := client.New(tenantID, "", tDistributor.HTTPURL())
cliDistributor.Now = now
cliIngester := client.New(tenantID, "", tIngester.HTTPURL())
cliIngester.Now = now
cliQueryFrontend := client.New(tenantID, "", tQueryFrontend.HTTPURL())
cliQueryFrontend.Now = now
t.Run("ingest-logs", func(t *testing.T) {
// ingest some log lines
require.NoError(t, cliDistributor.PushOTLPLogLine("lineA", now.Add(-45*time.Minute), map[string]any{"trace_id": 1, "user_id": "2", "email": "[email protected]"}))
require.NoError(t, cliDistributor.PushOTLPLogLine("lineB", now.Add(-45*time.Minute), nil))
require.NoError(t, cliDistributor.PushOTLPLogLine("lineC", now, map[string]any{"order.ids": []any{5, 6}}))
require.NoError(t, cliDistributor.PushOTLPLogLine("lineD", now, nil))
})
t.Run("query", func(t *testing.T) {
resp, err := cliQueryFrontend.RunRangeQuery(context.Background(), `{service_name="varlog"}`)
require.NoError(t, err)
assert.Equal(t, "streams", resp.Data.ResultType)
numLinesReceived := 0
for i, stream := range resp.Data.Stream {
switch i {
case 0:
require.Len(t, stream.Values, 2)
require.Equal(t, "lineD", stream.Values[0][1])
require.Equal(t, "lineB", stream.Values[1][1])
require.Equal(t, map[string]string{
"service_name": "varlog",
}, stream.Stream)
numLinesReceived += 2
case 1:
require.Len(t, stream.Values, 1)
require.Equal(t, "lineA", stream.Values[0][1])
require.Equal(t, map[string]string{
"service_name": "varlog",
"trace_id": "1",
"user_id": "2",
}, stream.Stream)
numLinesReceived++
case 2:
require.Len(t, stream.Values, 1)
require.Equal(t, "lineC", stream.Values[0][1])
require.Equal(t, map[string]string{
"service_name": "varlog",
"order_ids": "[5,6]",
}, stream.Stream)
numLinesReceived++
default:
t.Errorf("unexpected case %d", i)
}
}
require.Equal(t, 4, numLinesReceived)
})
}
func TestCategorizedLabels(t *testing.T) {
clu := cluster.New(nil, cluster.SchemaWithTSDB, func(c *cluster.Cluster) {
c.SetSchemaVer("v13")
})
defer func() {
assert.NoError(t, clu.Cleanup())
}()
var (
tDistributor = clu.AddComponent(
"distributor",
"-target=distributor",
)
tIndexGateway = clu.AddComponent(
"index-gateway",
"-target=index-gateway",
"-store.index-cache-read.embedded-cache.enabled=true",
)
)
require.NoError(t, clu.Run())
var (
tIngester = clu.AddComponent(
"ingester",
"-target=ingester",
"-ingester.flush-on-shutdown=true",
"-ingester.wal-enabled=false",
"-tsdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
)
tQueryScheduler = clu.AddComponent(
"query-scheduler",
"-target=query-scheduler",
"-query-scheduler.use-scheduler-ring=false",
"-tsdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
)
tCompactor = clu.AddComponent(
"compactor",
"-target=compactor",
"-compactor.compaction-interval=1s",
"-tsdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
)
)
require.NoError(t, clu.Run())
// finally, run the query-frontend and querier.
var (
tQueryFrontend = clu.AddComponent(
"query-frontend",
"-target=query-frontend",
"-frontend.scheduler-address="+tQueryScheduler.GRPCURL(),
"-frontend.default-validity=0s",
"-common.compactor-address="+tCompactor.HTTPURL(),
"-tsdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
)
_ = clu.AddComponent(
"querier",
"-target=querier",
"-querier.scheduler-address="+tQueryScheduler.GRPCURL(),
"-common.compactor-address="+tCompactor.HTTPURL(),
"-tsdb.shipper.index-gateway-client.server-address="+tIndexGateway.GRPCURL(),
)
)
require.NoError(t, clu.Run())
tenantID := randStringRunes()
now := time.Now()
cliDistributor := client.New(tenantID, "", tDistributor.HTTPURL())
cliDistributor.Now = now
cliIngester := client.New(tenantID, "", tIngester.HTTPURL())
cliIngester.Now = now
cliQueryFrontend := client.New(tenantID, "", tQueryFrontend.HTTPURL())
cliQueryFrontend.Now = now
cliIndexGateway := client.New(tenantID, "", tIndexGateway.HTTPURL())
cliIndexGateway.Now = now
now = time.Now()
require.NoError(t, cliDistributor.PushLogLine("lineA", now.Add(-1*time.Second), nil, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineB", now.Add(-2*time.Second), map[string]string{"traceID": "123", "user": "a"}, map[string]string{"job": "fake"}))
require.NoError(t, tIngester.Restart())
require.NoError(t, cliDistributor.PushLogLine("lineC msg=foo", now.Add(-3*time.Second), map[string]string{"traceID": "456", "user": "b"}, map[string]string{"job": "fake"}))
require.NoError(t, cliDistributor.PushLogLine("lineD msg=foo text=bar", now.Add(-4*time.Second), map[string]string{"traceID": "789", "user": "c"}, map[string]string{"job": "fake"}))
type expectedStream struct {
Stream map[string]string
Lines []string
CategorizedLabels []map[string]map[string]string
}
for _, tc := range []struct {
name string
query string
encodingFlags []string
expectedStreams []expectedStream
}{
{
name: "no header - no parser ",
query: `{job="fake"}`,
expectedStreams: []expectedStream{
{
Stream: labels.FromStrings("job", "fake").Map(),
Lines: []string{"lineA"},
},
{
Stream: map[string]string{
"job": "fake",
"traceID": "123",
"user": "a",
},
Lines: []string{"lineB"},
},
{
Stream: map[string]string{
"job": "fake",
"traceID": "456",
"user": "b",
},
Lines: []string{"lineC msg=foo"},
},
{
Stream: map[string]string{
"job": "fake",
"traceID": "789",
"user": "c",
},
Lines: []string{"lineD msg=foo text=bar"},
},
},
},
{
name: "no header - with parser",
query: `{job="fake"} | logfmt`,
expectedStreams: []expectedStream{
{
Stream: map[string]string{
"job": "fake",
},
Lines: []string{"lineA"},
},
{
Stream: map[string]string{
"job": "fake",
"traceID": "123",
"user": "a",
},
Lines: []string{"lineB"},
},
{
Stream: map[string]string{
"job": "fake",
"traceID": "456",
"user": "b",
"msg": "foo",
},
Lines: []string{"lineC msg=foo"},
},
{
Stream: map[string]string{
"job": "fake",
"traceID": "789",
"user": "c",
"msg": "foo",
"text": "bar",
},
Lines: []string{"lineD msg=foo text=bar"},
},
},
},
{
name: "with header - no parser ",
query: `{job="fake"}`,
encodingFlags: []string{
string(httpreq.FlagCategorizeLabels),
},
expectedStreams: []expectedStream{
{
Stream: map[string]string{
"job": "fake",
},
Lines: []string{"lineA", "lineB", "lineC msg=foo", "lineD msg=foo text=bar"},
CategorizedLabels: []map[string]map[string]string{
{},
{
"structuredMetadata": {
"traceID": "123",
"user": "a",
},
},
{
"structuredMetadata": {
"traceID": "456",
"user": "b",
},
},
{
"structuredMetadata": {
"traceID": "789",
"user": "c",
},
},
},
},
},
},
{
name: "with header - with parser",
query: `{job="fake"} | logfmt`,
encodingFlags: []string{
string(httpreq.FlagCategorizeLabels),
},