add_labels (#120)

closes #119

Reviewed-on: #120
Co-authored-by: Evstigneev Denis <danteevstigneev@yandex.ru>
Co-committed-by: Evstigneev Denis <danteevstigneev@yandex.ru>

go.mod

@@ -5,7 +5,7 @@ go 1.22
 toolchain go1.22.4
 
 require (
-	github.com/redis/go-redis/extra/rediscmd/v9 v9.5.3
+	github.com/redis/go-redis/extra/rediscmd/v9 v9.6.2
 	github.com/redis/go-redis/v9 v9.6.2
 	go.unistack.org/micro/v3 v3.10.97
 )

go.sum

@@ -1,29 +1,19 @@
-github.com/bsm/ginkgo/v2 v2.7.0/go.mod h1:AiKlXPm7ItEHNc/2+OkrNG4E0ITzojb9/xWzvQ9XZ9w=
 github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
 github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
-github.com/bsm/gomega v1.26.0/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
 github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
 github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/redis/go-redis/extra/rediscmd/v9 v9.0.5 h1:EaDatTxkdHG+U3Bk4EUr+DZ7fOGwTfezUiUJMaIcaho=
-github.com/redis/go-redis/extra/rediscmd/v9 v9.0.5/go.mod h1:fyalQWdtzDBECAQFBJuQe5bzQ02jGd5Qcbgb97Flm7U=
-github.com/redis/go-redis/extra/rediscmd/v9 v9.5.3 h1:1/BDligzCa40GTllkDnY3Y5DTHuKCONbB2JcRyIfl20=
-github.com/redis/go-redis/extra/rediscmd/v9 v9.5.3/go.mod h1:3dZmcLn3Qw6FLlWASn1g4y+YO9ycEFUOM+bhBmzLVKQ=
-github.com/redis/go-redis/v9 v9.0.5/go.mod h1:WqMKv5vnQbRuZstUwxQI195wHy+t4PuXDOjzMvcuQHk=
-github.com/redis/go-redis/v9 v9.6.1 h1:HHDteefn6ZkTtY5fGUE8tj8uy85AHk6zP7CpzIAM0y4=
-github.com/redis/go-redis/v9 v9.6.1/go.mod h1:0C0c6ycQsdpVNQpxb1njEQIqkx5UcsM8FJCQLgE9+RA=
+github.com/redis/go-redis/extra/rediscmd/v9 v9.6.2 h1:oBlErygFka9FAVfowzW7sRUfB7n31YX0aFzfaOflM3w=
+github.com/redis/go-redis/extra/rediscmd/v9 v9.6.2/go.mod h1:jYLUE5tC8UsFnpSclhEjZlFLMMtHH4jTfFMnshNWkoo=
 github.com/redis/go-redis/v9 v9.6.2 h1:w0uvkRbc9KpgD98zcvo5IrVUsn0lXpRMuhNgiHDJzdk=
 github.com/redis/go-redis/v9 v9.6.2/go.mod h1:0C0c6ycQsdpVNQpxb1njEQIqkx5UcsM8FJCQLgE9+RA=
 go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
 go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
-go.unistack.org/micro/v3 v3.10.96 h1:njukb0DlXOJspX5mLSwcP7+cVSg/8Fy+6++mYkOpY2A=
-go.unistack.org/micro/v3 v3.10.96/go.mod h1:YzMldzHN9Ei+zy5t/Psu7RUWDZwUfrNYiStSQtTz90g=
 go.unistack.org/micro/v3 v3.10.97 h1:8l7fv+i06/PjPrBBhRC/ZQkWGIOuHPg3jJN0vktYE78=
 go.unistack.org/micro/v3 v3.10.97/go.mod h1:YzMldzHN9Ei+zy5t/Psu7RUWDZwUfrNYiStSQtTz90g=
 google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA=

redis.go

@@ -2,6 +2,7 @@ package redis
 
 import (
 	"context"
+	"errors"
 	"reflect"
 	"strings"
 	"time"
@@ -118,6 +119,8 @@ func (r *Store) Exists(ctx context.Context, key string, opts ...store.ExistsOpti
 	b := r.pool.Get()
 	defer r.pool.Put(b)
 	options := store.NewExistsOptions(opts...)
+	labels := make([]string, 0, 6)
+	labels = append(labels, "name", options.Name, "statement", "exists")
 
 	timeout := r.opts.Timeout
 	if options.Timeout > 0 {
@@ -132,21 +135,22 @@ func (r *Store) Exists(ctx context.Context, key string, opts ...store.ExistsOpti
 
 	rkey := r.getKey(b, r.opts.Namespace, options.Namespace, key)
 
-	r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
+	r.opts.Meter.Counter(semconv.StoreRequestInflight, labels...).Inc()
 	ts := time.Now()
 	val, err := r.cli.Exists(ctx, rkey).Result()
 	setSpanError(ctx, err)
 	te := time.Since(ts)
-	r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
-	r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
-	r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
-	if err == goredis.Nil || (err == nil && val == 0) {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
+	r.opts.Meter.Counter(semconv.StoreRequestInflight, labels...).Dec()
+
+	r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, labels...).Update(te.Seconds())
+	r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, labels...).Update(te.Seconds())
+	if errors.Is(err, goredis.Nil) || (err == nil && val == 0) {
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "miss")...).Inc()
 		return store.ErrNotFound
 	} else if err == nil {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "hit")...).Inc()
 	} else if err != nil {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "failure")...).Inc()
 		return err
 	}
 
@@ -158,6 +162,8 @@ func (r *Store) Read(ctx context.Context, key string, val interface{}, opts ...s
 	defer r.pool.Put(b)
 
 	options := store.NewReadOptions(opts...)
+	labels := make([]string, 0, 6)
+	labels = append(labels, "name", options.Name, "statement", "read")
 
 	timeout := r.opts.Timeout
 	if options.Timeout > 0 {
@@ -172,21 +178,21 @@ func (r *Store) Read(ctx context.Context, key string, val interface{}, opts ...s
 
 	rkey := r.getKey(b, r.opts.Namespace, options.Namespace, key)
 
-	r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
+	r.opts.Meter.Counter(semconv.StoreRequestInflight, labels...).Inc()
 	ts := time.Now()
 	buf, err := r.cli.Get(ctx, rkey).Bytes()
 	setSpanError(ctx, err)
 	te := time.Since(ts)
-	r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
-	r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
-	r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
-	if err == goredis.Nil || (err == nil && buf == nil) {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
+	r.opts.Meter.Counter(semconv.StoreRequestInflight, labels...).Dec()
+	r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, labels...).Update(te.Seconds())
+	r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, labels...).Update(te.Seconds())
+	if errors.Is(err, goredis.Nil) || (err == nil && buf == nil) {
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "miss")...).Inc()
 		return store.ErrNotFound
 	} else if err == nil {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "hit")...).Inc()
 	} else if err != nil {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "failure")...).Inc()
 		return err
 	}
 
@@ -363,6 +369,8 @@ func (r *Store) Delete(ctx context.Context, key string, opts ...store.DeleteOpti
 	defer r.pool.Put(b)
 
 	options := store.NewDeleteOptions(opts...)
+	labels := make([]string, 0, 6)
+	labels = append(labels, "name", options.Name, "statement", "delete")
 
 	timeout := r.opts.Timeout
 	if options.Timeout > 0 {
@@ -375,21 +383,22 @@ func (r *Store) Delete(ctx context.Context, key string, opts ...store.DeleteOpti
 		defer cancel()
 	}
 
-	r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
+	r.opts.Meter.Counter(semconv.StoreRequestInflight, labels...).Inc()
 	ts := time.Now()
 	err := r.cli.Del(ctx, r.getKey(b, r.opts.Namespace, options.Namespace, key)).Err()
 	te := time.Since(ts)
 	setSpanError(ctx, err)
-	r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
-	r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
-	r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
-	if err == goredis.Nil {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
+
+	r.opts.Meter.Counter(semconv.StoreRequestInflight, labels...).Dec()
+	r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, labels...).Update(te.Seconds())
+	r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, labels...).Update(te.Seconds())
+	if errors.Is(err, goredis.Nil) {
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "miss")...).Inc()
 		return store.ErrNotFound
 	} else if err == nil {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "hit")...).Inc()
 	} else if err != nil {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "failure")...).Inc()
 		return err
 	}
 
@@ -484,6 +493,8 @@ func (r *Store) Write(ctx context.Context, key string, val interface{}, opts ...
 	defer r.pool.Put(b)
 
 	options := store.NewWriteOptions(opts...)
+	labels := make([]string, 0, 6)
+	labels = append(labels, "name", options.Name, "statement", "write")
 
 	timeout := r.opts.Timeout
 	if options.Timeout > 0 {
@@ -512,22 +523,22 @@ func (r *Store) Write(ctx context.Context, key string, val interface{}, opts ...
 		}
 	}
 
-	r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
+	r.opts.Meter.Counter(semconv.StoreRequestInflight, labels...).Inc()
 	ts := time.Now()
 	err := r.cli.Set(ctx, rkey, buf, options.TTL).Err()
 	te := time.Since(ts)
 	setSpanError(ctx, err)
 
-	r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
-	r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
-	r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
-	if err == goredis.Nil {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
+	r.opts.Meter.Counter(semconv.StoreRequestInflight, labels...).Dec()
+	r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, labels...).Update(te.Seconds())
+	r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, labels...).Update(te.Seconds())
+	if errors.Is(err, goredis.Nil) {
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "miss")...).Inc()
 		return store.ErrNotFound
 	} else if err == nil {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "hit")...).Inc()
 	} else if err != nil {
-		r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
+		r.opts.Meter.Counter(semconv.StoreRequestTotal, append(labels, "status", "failure")...).Inc()
 		return err
 	}
 

stats.go

@@ -33,9 +33,7 @@ func (r *Store) statsMeter() {
 		ticker := time.NewTicker(meter.DefaultMeterStatsInterval)
 		defer ticker.Stop()
 
-		for {
-			select {
-			case <-ticker.C:
+		for _ = range ticker.C {
 			if st == nil {
 				return
 			}
@@ -47,6 +45,5 @@ func (r *Store) statsMeter() {
 			r.opts.Meter.Counter(PoolConnIdleCurrent).Set(uint64(stats.IdleConns))
 			r.opts.Meter.Counter(PoolConnStaleTotal).Set(uint64(stats.StaleConns))
 		}
-		}
 	}()
 }