pkg/receive: Add multitsdb shipper support

Signed-off-by: Frederic Branczyk <[email protected]>
thanos-io · Apr 6, 2020 · 0ca745a · 0ca745a
1 parent d797dd0
commit 0ca745a
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Showing 3 changed files with 119 additions and 54 deletions.
diff --git a/cmd/thanos/receive.go b/cmd/thanos/receive.go
@@ -20,18 +20,17 @@ import (
 	"github.com/prometheus/prometheus/storage/tsdb"
 	kingpin "gopkg.in/alecthomas/kingpin.v2"
 
-	"github.com/thanos-io/thanos/pkg/block/metadata"
 	"github.com/thanos-io/thanos/pkg/component"
 	"github.com/thanos-io/thanos/pkg/extflag"
 	"github.com/thanos-io/thanos/pkg/extgrpc"
 	"github.com/thanos-io/thanos/pkg/extprom"
+	"github.com/thanos-io/thanos/pkg/objstore"
 	"github.com/thanos-io/thanos/pkg/objstore/client"
 	"github.com/thanos-io/thanos/pkg/prober"
 	"github.com/thanos-io/thanos/pkg/receive"
 	"github.com/thanos-io/thanos/pkg/runutil"
 	grpcserver "github.com/thanos-io/thanos/pkg/server/grpc"
 	httpserver "github.com/thanos-io/thanos/pkg/server/http"
-	"github.com/thanos-io/thanos/pkg/shipper"
 	"github.com/thanos-io/thanos/pkg/store"
 	"github.com/thanos-io/thanos/pkg/tls"
 )
@@ -203,7 +202,43 @@ func runReceive(
 		return err
 	}
 
-	dbs := receive.NewMultiTSDB(dataDir, logger, reg, tsdbOpts, lset, tenantLabelName)
+	confContentYaml, err := objStoreConfig.Content()
+	if err != nil {
+		return err
+	}
+	upload := true
+	if len(confContentYaml) == 0 {
+		level.Info(logger).Log("msg", "No supported bucket was configured, uploads will be disabled")
+		upload = false
+	}
+
+	if upload && tsdbOpts.MinBlockDuration != tsdbOpts.MaxBlockDuration {
+		if !ignoreBlockSize {
+			return errors.Errorf("found that TSDB Max time is %s and Min time is %s. "+
+				"Compaction needs to be disabled (tsdb.min-block-duration = tsdb.max-block-duration)", tsdbOpts.MaxBlockDuration, tsdbOpts.MinBlockDuration)
+		}
+		level.Warn(logger).Log("msg", "flag to ignore min/max block duration flags differing is being used. If the upload of a 2h block fails and a tsdb compaction happens that block may be missing from your Thanos bucket storage.")
+	}
+
+	var bkt objstore.Bucket
+	if upload {
+		// The background shipper continuously scans the data directory and uploads
+		// new blocks to Google Cloud Storage or an S3-compatible storage service.
+		bkt, err = client.NewBucket(logger, confContentYaml, reg, comp.String())
+		if err != nil {
+			return err
+		}
+	}
+
+	dbs := receive.NewMultiTSDB(
+		dataDir,
+		logger,
+		reg,
+		tsdbOpts,
+		lset,
+		tenantLabelName,
+		bkt,
+	)
 	writer := receive.NewWriter(log.With(logger, "component", "receive-writer"), dbs)
 	webHandler := receive.NewHandler(log.With(logger, "component", "receive-handler"), &receive.Options{
 		Writer:            writer,
@@ -227,24 +262,6 @@ func runReceive(
 		prober.NewInstrumentation(comp, logger, extprom.WrapRegistererWithPrefix("thanos_", reg)),
 	)
 
-	confContentYaml, err := objStoreConfig.Content()
-	if err != nil {
-		return err
-	}
-	upload := true
-	if len(confContentYaml) == 0 {
-		level.Info(logger).Log("msg", "No supported bucket was configured, uploads will be disabled")
-		upload = false
-	}
-
-	if upload && tsdbOpts.MinBlockDuration != tsdbOpts.MaxBlockDuration {
-		if !ignoreBlockSize {
-			return errors.Errorf("found that TSDB Max time is %s and Min time is %s. "+
-				"Compaction needs to be disabled (tsdb.min-block-duration = tsdb.max-block-duration)", tsdbOpts.MaxBlockDuration, tsdbOpts.MinBlockDuration)
-		}
-		level.Warn(logger).Log("msg", "flag to ignore min/max block duration flags differing is being used. If the upload of a 2h block fails and a tsdb compaction happens that block may be missing from your Thanos bucket storage.")
-	}
-
 	// Start all components while we wait for TSDB to open but only load
 	// initial config and mark ourselves as ready after it completed.
 
@@ -438,27 +455,18 @@ func runReceive(
 	}
 
 	if upload {
-		// The background shipper continuously scans the data directory and uploads
-		// new blocks to Google Cloud Storage or an S3-compatible storage service.
-		bkt, err := client.NewBucket(logger, confContentYaml, reg, comp.String())
-		if err != nil {
-			return err
-		}
-
-		s := shipper.New(logger, reg, dataDir, bkt, func() labels.Labels { return lset }, metadata.ReceiveSource)
-
-		// Before starting, ensure any old blocks are uploaded.
-		if uploaded, err := s.Sync(context.Background()); err != nil {
-			level.Warn(logger).Log("err", err, "failed to upload", uploaded)
+		level.Debug(logger).Log("msg", "upload enabled")
+		if err := dbs.Upload(context.Background()); err != nil {
+			level.Warn(logger).Log("err", err)
 		}
 
 		{
 			// Run the uploader in a loop.
 			ctx, cancel := context.WithCancel(context.Background())
 			g.Add(func() error {
 				return runutil.Repeat(30*time.Second, ctx.Done(), func() error {
-					if uploaded, err := s.Sync(ctx); err != nil {
-						level.Warn(logger).Log("err", err, "uploaded", uploaded)
+					if err := dbs.Upload(ctx); err != nil {
+						level.Warn(logger).Log("err", err)
 					}
 
 					return nil
@@ -479,8 +487,8 @@ func runReceive(
 				// Before quitting, ensure all blocks are uploaded.
 				defer func() {
 					<-uploadC
-					if uploaded, err := s.Sync(context.Background()); err != nil {
-						level.Warn(logger).Log("err", err, "failed to upload", uploaded)
+					if err := dbs.Upload(context.Background()); err != nil {
+						level.Warn(logger).Log("err", err)
 					}
 				}()
 				defer close(uploadDone)
@@ -494,8 +502,8 @@ func runReceive(
 					case <-ctx.Done():
 						return nil
 					case <-uploadC:
-						if uploaded, err := s.Sync(ctx); err != nil {
-							level.Warn(logger).Log("err", err, "failed to upload", uploaded)
+						if err := dbs.Upload(ctx); err != nil {
+							level.Warn(logger).Log("err", err)
 						}
 						uploadDone <- struct{}{}
 					}

diff --git a/pkg/receive/multitsdb.go b/pkg/receive/multitsdb.go
@@ -4,6 +4,8 @@
 package receive
 
 import (
+	"context"
+	"fmt"
 	"io/ioutil"
 	"os"
 	"path"
@@ -16,7 +18,10 @@ import (
 	"github.com/prometheus/prometheus/pkg/labels"
 	"github.com/prometheus/prometheus/storage/tsdb"
 	terrors "github.com/prometheus/prometheus/tsdb/errors"
+	"github.com/thanos-io/thanos/pkg/block/metadata"
 	"github.com/thanos-io/thanos/pkg/component"
+	"github.com/thanos-io/thanos/pkg/objstore"
+	"github.com/thanos-io/thanos/pkg/shipper"
 	"github.com/thanos-io/thanos/pkg/store"
 	"golang.org/x/sync/errgroup"
 )
@@ -28,14 +33,17 @@ type MultiTSDB struct {
 	tsdbCfg         *tsdb.Options
 	tenantLabelName string
 	labels          labels.Labels
+	bucket          objstore.Bucket
+	upload          bool
 
 	mtx         *sync.RWMutex
 	dbs         map[string]*FlushableStorage
 	appendables map[string]*tsdb.ReadyStorage
 	stores      map[string]*store.TSDBStore
+	shippers    map[string]*shipper.Shipper
 }
 
-func NewMultiTSDB(dataDir string, l log.Logger, reg prometheus.Registerer, tsdbCfg *tsdb.Options, labels labels.Labels, tenantLabelName string) *MultiTSDB {
+func NewMultiTSDB(dataDir string, l log.Logger, reg prometheus.Registerer, tsdbCfg *tsdb.Options, labels labels.Labels, tenantLabelName string, bucket objstore.Bucket) *MultiTSDB {
 	if l == nil {
 		l = log.NewNopLogger()
 	}
@@ -49,8 +57,11 @@ func NewMultiTSDB(dataDir string, l log.Logger, reg prometheus.Registerer, tsdbC
 		dbs:             map[string]*FlushableStorage{},
 		stores:          map[string]*store.TSDBStore{},
 		appendables:     map[string]*tsdb.ReadyStorage{},
+		shippers:        map[string]*shipper.Shipper{},
 		labels:          labels,
 		tenantLabelName: tenantLabelName,
+		bucket:          bucket,
+		upload:          bucket != nil,
 	}
 }
 
@@ -110,6 +121,35 @@ func (t *MultiTSDB) Flush() error {
 	return merr.Err()
 }
 
+func (t *MultiTSDB) Upload(ctx context.Context) error {
+	if !t.upload {
+		return nil
+	}
+
+	t.mtx.Lock()
+	defer t.mtx.Unlock()
+
+	errmtx := &sync.Mutex{}
+	merr := terrors.MultiError{}
+	wg := &sync.WaitGroup{}
+	for tenant, s := range t.shippers {
+		level.Debug(t.logger).Log("msg", "uploading block for tenant", "tenant", tenant)
+		s := s
+		wg.Add(1)
+		go func() {
+			if uploaded, err := s.Sync(ctx); err != nil {
+				errmtx.Lock()
+				merr.Add(fmt.Errorf("failed to upload %d: %w", uploaded, err))
+				errmtx.Unlock()
+			}
+			wg.Done()
+		}()
+	}
+
+	wg.Wait()
+	return merr.Err()
+}
+
 func (t *MultiTSDB) openTSDBs() error {
 	files, err := ioutil.ReadDir(t.dataDir)
 	if err != nil {
@@ -118,7 +158,6 @@ func (t *MultiTSDB) openTSDBs() error {
 
 	var g errgroup.Group
 	for _, f := range files {
-		// See: https://golang.org/doc/faq#closures_and_goroutines.
 		f := f
 		if !f.IsDir() {
 			continue
@@ -168,41 +207,57 @@ func (t *MultiTSDB) getOrLoadTenant(tenantID string) (*tsdb.ReadyStorage, error)
 	t.mtx.Unlock()
 
 	go func() {
+		reg := prometheus.WrapRegistererWith(prometheus.Labels{
+			"tenant": tenantID,
+		}, t.reg)
+		logger := log.With(t.logger, "tenant", tenantID)
+		lbls := append(t.labels, labels.Label{Name: t.tenantLabelName, Value: tenantID})
+		dataDir := path.Join(t.dataDir, tenantID)
+
+		var ship *shipper.Shipper
+		if t.upload {
+			ship = shipper.New(
+				logger,
+				reg,
+				dataDir,
+				t.bucket,
+				func() labels.Labels { return lbls },
+				metadata.ReceiveSource,
+			)
+		}
+
 		s := NewFlushableStorage(
-			path.Join(t.dataDir, tenantID),
-			log.With(t.logger, "tenant", tenantID),
-			prometheus.WrapRegistererWith(prometheus.Labels{
-				"tenant": tenantID,
-			}, t.reg),
+			dataDir,
+			logger,
+			reg,
 			t.tsdbCfg,
 		)
 
 		if err := s.Open(); err != nil {
-			level.Error(t.logger).Log("msg", "failed to open tsdb", "err", err)
+			level.Error(logger).Log("msg", "failed to open tsdb", "err", err)
 			t.mtx.Lock()
 			delete(t.appendables, tenantID)
 			delete(t.stores, tenantID)
 			t.mtx.Unlock()
 			if err := s.Close(); err != nil {
-				level.Error(t.logger).Log("msg", "failed to close tsdb", "err", err)
+				level.Error(logger).Log("msg", "failed to close tsdb", "err", err)
 			}
 			return
 		}
 
 		tstore := store.NewTSDBStore(
-			log.With(t.logger, "component", "thanos-tsdb-store", "tenant", tenantID),
-			prometheus.WrapRegistererWith(prometheus.Labels{
-				"tenant": tenantID,
-			}, t.reg),
+			logger,
+			reg,
 			s.Get(),
 			component.Receive,
-			append(t.labels, labels.Label{Name: t.tenantLabelName, Value: tenantID}),
+			lbls,
 		)
 
 		t.mtx.Lock()
 		rs.Set(s.Get(), int64(2*time.Duration(t.tsdbCfg.MinBlockDuration).Seconds()*1000))
 		t.stores[tenantID] = tstore
 		t.dbs[tenantID] = s
+		t.shippers[tenantID] = ship
 		t.mtx.Unlock()
 	}()
 

diff --git a/scripts/quickstart.sh b/scripts/quickstart.sh
@@ -182,7 +182,9 @@ for i in $(seq 0 1 2); do
     --grpc-grace-period 1s \
     --http-address 0.0.0.0:1${i}909 \
     --http-grace-period 1s \
-    --receive.replication-factor 3 \
+    --receive.replication-factor 1 \
+    --tsdb.min-block-duration 5m \
+    --tsdb.max-block-duration 5m \
     --label "receive_replica=\"${i}\"" \
     --receive.local-endpoint 127.0.0.1:1${i}907 \
     --receive.hashrings-file ./data/hashring.json \