add using lazy connect

go.mod

@@ -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
 )

go.sum

@@ -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=

redis.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"reflect"
 	"strings"
+	"sync/atomic"
 	"time"
 
 	goredis "github.com/redis/go-redis/v9"
@@ -55,19 +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 {
@@ -108,7 +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
@@ -116,6 +122,12 @@ 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...)
@@ -158,6 +170,12 @@ 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)
 
@@ -211,6 +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
@@ -310,6 +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
@@ -365,6 +395,12 @@ 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)
 
@@ -406,6 +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
@@ -489,6 +531,12 @@ 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)
 
@@ -546,6 +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)
 
@@ -742,3 +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
+}