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lazy conn #121

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devstigneev wants to merge 5 commits from devstigneev/micro-store-redis:add_labels into v3
pull from: devstigneev/micro-store-redis:add_labels
merge into: unistack-org:v3
Conversation 0 Commits 5 Files Changed 3 +129 -52
3 changed files with 129 additions and 52 deletions
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8
go.mod
View File

@ -5,9 +5,9 @@ go 1.22
toolchain go1.22.4
require (
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
github.com/redis/go-redis/extra/rediscmd/v9 v9.7.0
github.com/redis/go-redis/v9 v9.7.0
go.unistack.org/micro/v3 v3.10.105
)
require (
@ -15,5 +15,5 @@ require (
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
github.com/google/go-cmp v0.6.0 // indirect
go.unistack.org/micro-proto/v3 v3.4.1 // indirect
google.golang.org/protobuf v1.35.1 // indirect
google.golang.org/protobuf v1.35.2 // indirect
)

16
go.sum
View File

@ -8,13 +8,13 @@ github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/r
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 v9.6.2 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=
github.com/redis/go-redis/extra/rediscmd/v9 v9.7.0 h1:BIx9TNZH/Jsr4l1i7VVxnV0JPiwYj8qyrHyuL0fGZrk=
github.com/redis/go-redis/extra/rediscmd/v9 v9.7.0/go.mod h1:eTg/YQtGYAZD5r3DlGlJptJ45AHA+/G+2NPn30PKzik=
github.com/redis/go-redis/v9 v9.7.0 h1:HhLSs+B6O021gwzl+locl0zEDnyNkxMtf/Z3NNBMa9E=
github.com/redis/go-redis/v9 v9.7.0/go.mod h1:f6zhXITC7JUJIlPEiBOTXxJgPLdZcA93GewI7inzyWw=
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 v3.10.97 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=
google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
go.unistack.org/micro/v3 v3.10.105 h1:JYNV0d+fnR7Hy8d4/sjr+25DbSNqq1Z7IPeDDdB+f1I=
go.unistack.org/micro/v3 v3.10.105/go.mod h1:YzMldzHN9Ei+zy5t/Psu7RUWDZwUfrNYiStSQtTz90g=
google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=
google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=

157
redis.go
View File

@ -2,8 +2,10 @@ package redis
import (
"context"
"errors"
"reflect"
"strings"
"sync/atomic"
"time"
goredis "github.com/redis/go-redis/v9"
@ -54,19 +56,22 @@ var (
)
type Store struct {
opts store.Options
cli goredis.UniversalClient
done chan struct{}
pool *pool.StringsPool
opts store.Options
cli goredis.UniversalClient
done chan struct{}
pool *pool.StringsPool
isConnected atomic.Int32
}
func (r *Store) Connect(ctx context.Context) error {
if r.cli == nil {
return store.ErrNotConnected
}
err := r.cli.Ping(ctx).Err()
setSpanError(ctx, err)
return err
if r.opts.LazyConnect {
return nil
}
return r.connect(ctx)
}
func (r *Store) Init(opts ...store.Option) error {
@ -107,7 +112,9 @@ func (r *Store) Disconnect(ctx context.Context) error {
return err
default:
if r.cli != nil {
err = r.cli.Close()
if err = r.cli.Close(); err != nil {
r.isConnected.Store(0)
}
}
close(r.done)
return err
@ -115,9 +122,17 @@ func (r *Store) Disconnect(ctx context.Context) error {
}
func (r *Store) Exists(ctx context.Context, key string, opts ...store.ExistsOption) error {
if r.opts.LazyConnect {
if err := r.connect(ctx); err != nil {
return err
}
}
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 +147,22 @@ 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
}
@ -154,10 +170,18 @@ func (r *Store) Exists(ctx context.Context, key string, opts ...store.ExistsOpti
}
func (r *Store) Read(ctx context.Context, key string, val interface{}, opts ...store.ReadOption) error {
if r.opts.LazyConnect {
if err := r.connect(ctx); err != nil {
return err
}
}
b := r.pool.Get()
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 +196,21 @@ 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
}
@ -205,6 +229,12 @@ func (r *Store) Read(ctx context.Context, key string, val interface{}, opts ...s
}
func (r *Store) MRead(ctx context.Context, keys []string, vals interface{}, opts ...store.ReadOption) error {
if r.opts.LazyConnect {
if err := r.connect(ctx); err != nil {
return err
}
}
options := store.NewReadOptions(opts...)
timeout := r.opts.Timeout
@ -304,6 +334,12 @@ func (r *Store) MRead(ctx context.Context, keys []string, vals interface{}, opts
}
func (r *Store) MDelete(ctx context.Context, keys []string, opts ...store.DeleteOption) error {
if r.opts.LazyConnect {
if err := r.connect(ctx); err != nil {
return err
}
}
options := store.NewDeleteOptions(opts...)
timeout := r.opts.Timeout
@ -359,10 +395,18 @@ func (r *Store) MDelete(ctx context.Context, keys []string, opts ...store.Delete
}
func (r *Store) Delete(ctx context.Context, key string, opts ...store.DeleteOption) error {
if r.opts.LazyConnect {
if err := r.connect(ctx); err != nil {
return err
}
}
b := r.pool.Get()
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 +419,22 @@ 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
}
@ -397,6 +442,12 @@ func (r *Store) Delete(ctx context.Context, key string, opts ...store.DeleteOpti
}
func (r *Store) MWrite(ctx context.Context, keys []string, vals []interface{}, opts ...store.WriteOption) error {
if r.opts.LazyConnect {
if err := r.connect(ctx); err != nil {
return err
}
}
options := store.NewWriteOptions(opts...)
timeout := r.opts.Timeout
@ -480,10 +531,18 @@ func (r *Store) MWrite(ctx context.Context, keys []string, vals []interface{}, o
}
func (r *Store) Write(ctx context.Context, key string, val interface{}, opts ...store.WriteOption) error {
if r.opts.LazyConnect {
if err := r.connect(ctx); err != nil {
return err
}
}
b := r.pool.Get()
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 +571,22 @@ 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
}
@ -535,6 +594,12 @@ func (r *Store) Write(ctx context.Context, key string, val interface{}, opts ...
}
func (r *Store) List(ctx context.Context, opts ...store.ListOption) ([]string, error) {
if r.opts.LazyConnect {
if err := r.connect(ctx); err != nil {
return nil, err
}
}
b := r.pool.Get()
defer r.pool.Put(b)
@ -731,3 +796,15 @@ func (r *Store) getKey(b *strings.Builder, mainNamespace string, opNamespace str
b.WriteString(key)
return b.String()
}
func (r *Store) connect(ctx context.Context) error {
var err error
if r.isConnected.CompareAndSwap(0, 1) {
if err = r.cli.Ping(ctx).Err(); err != nil {
r.isConnected.Store(0)
setSpanError(ctx, err)
}
}
return err
}