Replace RedisCluster to RedisUniversalClient (#114)

1. Replace redis.Client to redis.UniversalClient
2. Replace ClusterConfig to UniversalConfig

closes #113

Co-authored-by: Aleksandr Tolstikhin <atolstikhin@mtsbank.ru>
Co-authored-by: Vasiliy Tolstov <v.tolstov@unistack.org>
Reviewed-on: #114
Reviewed-by: Василий Толстов <v.tolstov@unistack.org>
Co-authored-by: Александр Толстихин <tolstihin1996@mail.ru>
Co-committed-by: Александр Толстихин <tolstihin1996@mail.ru>

.github/dependabot.yml

@@ -0,0 +1,19 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+
+  # Maintain dependencies for Golang
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/stale.sh

@@ -1,13 +0,0 @@
-#!/bin/bash -ex
-
-export PATH=$PATH:$(pwd)/bin
-export GO111MODULE=on
-export GOBIN=$(pwd)/bin
-
-#go get github.com/rvflash/goup@v0.4.1
-
-#goup -v ./...
-#go get github.com/psampaz/go-mod-outdated@v0.6.0
-go list -u -m -mod=mod -json all | go-mod-outdated -update -direct -ci || true
-
-#go list -u -m -json all | go-mod-outdated -update

.github/workflows/autoapprove.yml

@@ -0,0 +1,20 @@
+name: "autoapprove"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  autoapprove:
+    runs-on: ubuntu-latest
+    steps:
+      - name: approve
+        uses: hmarr/auto-approve-action@v3
+        if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
+        id: approve
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/automerge.yml

@@ -0,0 +1,21 @@
+name: "automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'vtolstov'
+    steps:
+      - name: merge
+        id: merge
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/build.yml

@@ -3,19 +3,20 @@ on:
  push:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v1
+      uses: actions/setup-go@v3
       with:
-        go-version: 1.15
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v1
+        uses: golangci/golangci-lint-action@v3.4.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,78 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "codeql"
+
+on:
+  workflow_run:
+    workflows: ["prbuild"]
+    types:
+      - completed
+  push:
+    branches: [ master, v3 ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master, v3 ]
+  schedule:
+    - cron: '34 1 * * 0'
+
+jobs:
+  analyze:
+    name: analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'go' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: setup
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.17
+    # Initializes the CodeQL tools for scanning.
+    - name: init
+      uses: github/codeql-action/init@v2
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: autobuild
+      uses: github/codeql-action/autobuild@v2
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: analyze
+      uses: github/codeql-action/analyze@v2

.github/workflows/dependabot-automerge.yml

@@ -0,0 +1,27 @@
+name: "dependabot-automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
+    steps:
+      - name: metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.3.6
+        with:
+          github-token: "${{ secrets.TOKEN }}"
+      - name: merge
+        id: merge
+        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/pr.yml

@@ -3,19 +3,20 @@ on:
   pull_request:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v1
+      uses: actions/setup-go@v3
       with:
-        go-version: 1.15
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v1
+        uses: golangci/golangci-lint-action@v3.4.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

go.mod

@@ -1,8 +1,14 @@
-module github.com/unistack-org/micro-store-redis/v3
+module go.unistack.org/micro-store-redis/v4
 
-go 1.15
+go 1.20
 
 require (
-	github.com/go-redis/redis/v8 v8.4.11
+	github.com/redis/go-redis/v9 v9.2.1
-	github.com/unistack-org/micro/v3 v3.2.4
+	go.unistack.org/micro/v4 v4.0.7
+)
+
+require (
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
 )

go.sum

@@ -1,182 +1,12 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
+github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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-github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
-github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
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 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
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options.go

@@ -1,18 +1,12 @@
 package redis
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
-	"github.com/unistack-org/micro/v3/store"
+	"go.unistack.org/micro/v4/options"
 )
 
-type configKey struct{}
+type universalConfigKey struct{}
 
-func Config(c *redis.Options) store.Option {
+func UniversalConfig(c *redis.UniversalOptions) options.Option {
-	return store.SetOption(configKey{}, c)
+	return options.ContextOption(universalConfigKey{}, c)
-}
-
-type clusterConfigKey struct{}
-
-func ClusterConfig(c *redis.ClusterOptions) store.Option {
-	return store.SetOption(clusterConfigKey{}, c)
 }

redis.go

@@ -3,31 +3,25 @@ package redis
 import (
 	"context"
 	"fmt"
+	"reflect"
+	"strings"
 	"time"
 
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
-	"github.com/unistack-org/micro/v3/store"
+	"go.unistack.org/micro/v4/options"
+	"go.unistack.org/micro/v4/store"
 )
 
-type rkv struct {
+type Store struct {
 	opts store.Options
-	cli  redisClient
+	cli  redis.UniversalClient
 }
 
-type redisClient interface {
+func (r *Store) Connect(ctx context.Context) error {
-	Get(ctx context.Context, key string) *redis.StringCmd
+	return r.cli.Ping(ctx).Err()
-	Del(ctx context.Context, keys ...string) *redis.IntCmd
-	Set(ctx context.Context, key string, value interface{}, expiration time.Duration) *redis.StatusCmd
-	Keys(ctx context.Context, pattern string) *redis.StringSliceCmd
-	Exists(ctx context.Context, keys ...string) *redis.IntCmd
-	Close() error
 }
 
-func (r *rkv) Connect(ctx context.Context) error {
+func (r *Store) Init(opts ...options.Option) error {
-	return nil
-}
-
-func (r *rkv) Init(opts ...store.Option) error {
 	for _, o := range opts {
 		o(&r.opts)
 	}
@@ -35,31 +29,52 @@ func (r *rkv) Init(opts ...store.Option) error {
 	return r.configure()
 }
 
-func (r *rkv) Disconnect(ctx context.Context) error {
+func (r *Store) Redis() redis.UniversalClient {
+	return r.cli
+}
+
+func (r *Store) Disconnect(ctx context.Context) error {
 	return r.cli.Close()
 }
 
-func (r *rkv) Exists(ctx context.Context, key string, opts ...store.ExistsOption) error {
+func (r *Store) Exists(ctx context.Context, key string, opts ...options.Option) error {
-	//options := store.NewReadOptions(opts...)
+	if r.opts.Timeout > 0 {
-	//if len(options.Table) == 0 {
+		var cancel context.CancelFunc
-	//	options.Table = r.opts.Table
+		ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
-	//}
+		defer cancel()
-	rkey := fmt.Sprintf("%s%s", r.opts.Table, key)
+	}
-	err := r.cli.Exists(ctx, rkey).Err()
+	options := store.NewExistsOptions(opts...)
+	if len(options.Namespace) == 0 {
+		options.Namespace = r.opts.Namespace
+	}
+	if options.Namespace != "" {
+		key = fmt.Sprintf("%s%s", r.opts.Namespace, key)
+	}
+	val, err := r.cli.Exists(ctx, key).Result()
 	if err != nil {
+		return err
+	}
+	if val == 0 {
 		return store.ErrNotFound
 	}
 	return nil
 }
 
-func (r *rkv) Read(ctx context.Context, key string, val interface{}, opts ...store.ReadOption) error {
+func (r *Store) Read(ctx context.Context, key string, val interface{}, opts ...options.Option) error {
+	if r.opts.Timeout > 0 {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
+		defer cancel()
+	}
 	options := store.NewReadOptions(opts...)
-	if len(options.Table) == 0 {
+	if len(options.Namespace) == 0 {
-		options.Table = r.opts.Table
+		options.Namespace = r.opts.Namespace
+	}
+	if options.Namespace != "" {
+		key = fmt.Sprintf("%s%s", options.Namespace, key)
 	}
 
-	rkey := fmt.Sprintf("%s%s", options.Table, key)
+	buf, err := r.cli.Get(ctx, key).Bytes()
-	buf, err := r.cli.Get(ctx, rkey).Bytes()
 	if err != nil && err == redis.Nil {
 		return store.ErrNotFound
 	} else if err != nil {
@@ -68,122 +83,301 @@ func (r *rkv) Read(ctx context.Context, key string, val interface{}, opts ...sto
 	if buf == nil {
 		return store.ErrNotFound
 	}
-	/*
-			d, err := r.Client.TTL(rkey).Result()
-			if err != nil {
-				return nil, err
-			}
-
-			records = append(records, &store.Record{
-				Key:    key,
-				Value:  val,
-				Expiry: d,
-			})
-		}
-	*/
 	return r.opts.Codec.Unmarshal(buf, val)
 }
 
-func (r *rkv) Delete(ctx context.Context, key string, opts ...store.DeleteOption) error {
+func (r *Store) MRead(ctx context.Context, keys []string, vals interface{}, opts ...options.Option) error {
-	options := store.NewDeleteOptions(opts...)
+	if len(keys) == 1 {
-	if len(options.Table) == 0 {
+		vt := reflect.ValueOf(vals)
-		options.Table = r.opts.Table
+		if vt.Kind() == reflect.Ptr {
+			vt = reflect.Indirect(vt)
+			return r.Read(ctx, keys[0], vt.Index(0).Interface(), opts...)
+		}
+	}
+	if r.opts.Timeout > 0 {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
+		defer cancel()
+	}
+	options := store.NewReadOptions(opts...)
+	rkeys := make([]string, 0, len(keys))
+	if len(options.Namespace) == 0 {
+		options.Namespace = r.opts.Namespace
+	}
+	for _, key := range keys {
+		if options.Namespace != "" {
+			rkeys = append(rkeys, fmt.Sprintf("%s%s", options.Namespace, key))
+		} else {
+			rkeys = append(rkeys, key)
+		}
 	}
 
-	rkey := fmt.Sprintf("%s%s", options.Table, key)
+	rvals, err := r.cli.MGet(ctx, rkeys...).Result()
-	return r.cli.Del(ctx, rkey).Err()
+	if err != nil && err == redis.Nil {
+		return store.ErrNotFound
+	} else if err != nil {
+		return err
+	}
+	if len(rvals) == 0 {
+		return store.ErrNotFound
+	}
+
+	vv := reflect.ValueOf(vals)
+	vt := reflect.TypeOf(vals)
+	switch vv.Kind() {
+	case reflect.Ptr:
+		vv = reflect.Indirect(vv)
+		vt = vt.Elem()
+	}
+	if vv.Kind() != reflect.Slice {
+		return store.ErrNotFound
+	}
+	nvv := reflect.MakeSlice(vt, len(rvals), len(rvals))
+	vt = vt.Elem()
+	for idx := 0; idx < len(rvals); idx++ {
+		if rvals[idx] == nil {
+			continue
+		}
+
+		itm := nvv.Index(idx)
+		var buf []byte
+		switch b := rvals[idx].(type) {
+		case []byte:
+			buf = b
+		case string:
+			buf = []byte(b)
+		}
+		// special case for raw data
+		if vt.Kind() == reflect.Slice && vt.Elem().Kind() == reflect.Uint8 {
+			itm.Set(reflect.MakeSlice(itm.Type(), len(buf), len(buf)))
+		} else {
+			itm.Set(reflect.New(vt.Elem()))
+		}
+		if err = r.opts.Codec.Unmarshal(buf, itm.Interface()); err != nil {
+			return err
+		}
+	}
+	vv.Set(nvv)
+	return nil
 }
 
-func (r *rkv) Write(ctx context.Context, key string, val interface{}, opts ...store.WriteOption) error {
+func (r *Store) MDelete(ctx context.Context, keys []string, opts ...options.Option) error {
+	if len(keys) == 1 {
+		return r.Delete(ctx, keys[0], opts...)
+	}
+	if r.opts.Timeout > 0 {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
+		defer cancel()
+	}
+	options := store.NewDeleteOptions(opts...)
+	if len(options.Namespace) == 0 {
+		options.Namespace = r.opts.Namespace
+	}
+	if options.Namespace == "" {
+		return r.cli.Del(ctx, keys...).Err()
+	}
+	for idx := range keys {
+		keys[idx] = options.Namespace + keys[idx]
+	}
+	return r.cli.Del(ctx, keys...).Err()
+}
+
+func (r *Store) Delete(ctx context.Context, key string, opts ...options.Option) error {
+	if r.opts.Timeout > 0 {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
+		defer cancel()
+	}
+	options := store.NewDeleteOptions(opts...)
+	if len(options.Namespace) == 0 {
+		options.Namespace = r.opts.Namespace
+	}
+	if options.Namespace == "" {
+		return r.cli.Del(ctx, key).Err()
+	}
+	return r.cli.Del(ctx, fmt.Sprintf("%s%s", options.Namespace, key)).Err()
+}
+
+func (r *Store) MWrite(ctx context.Context, keys []string, vals []interface{}, opts ...options.Option) error {
+	if len(keys) == 1 {
+		return r.Write(ctx, keys[0], vals[0], opts...)
+	}
+	if r.opts.Timeout > 0 {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
+		defer cancel()
+	}
 	options := store.NewWriteOptions(opts...)
-	if len(options.Table) == 0 {
+	kvs := make([]string, 0, len(keys)*2)
-		options.Table = r.opts.Table
+
+	if len(options.Namespace) == 0 {
+		options.Namespace = r.opts.Namespace
 	}
 
-	rkey := fmt.Sprintf("%s%s", options.Table, key)
+	for idx, key := range keys {
-	buf, err := r.opts.Codec.Marshal(val)
+		if options.Namespace != "" {
+			kvs = append(kvs, fmt.Sprintf("%s%s", options.Namespace, key))
+		} else {
+			kvs = append(kvs, key)
+		}
+
+		switch vt := vals[idx].(type) {
+		case string:
+			kvs = append(kvs, vt)
+		case []byte:
+			kvs = append(kvs, string(vt))
+		default:
+			buf, err := r.opts.Codec.Marshal(vt)
+			if err != nil {
+				return err
+			}
+			kvs = append(kvs, string(buf))
+		}
+	}
+
+	cmds, err := r.cli.Pipelined(ctx, func(pipe redis.Pipeliner) error {
+		for idx := 0; idx < len(kvs); idx += 2 {
+			pipe.Set(ctx, kvs[idx], kvs[idx+1], options.TTL).Result()
+		}
+		return nil
+	})
 	if err != nil {
 		return err
 	}
 
-	return r.cli.Set(ctx, rkey, buf, options.TTL).Err()
+	for _, cmd := range cmds {
-}
+		if err = cmd.Err(); err != nil {
-
+			return err
-func (r *rkv) List(ctx context.Context, opts ...store.ListOption) ([]string, error) {
-	options := store.NewListOptions(opts...)
-	if len(options.Table) == 0 {
-		options.Table = r.opts.Table
-	}
-
-	// TODO: add support for prefix/suffix/limit
-	keys, err := r.cli.Keys(ctx, "*").Result()
-	if err != nil {
-		return nil, err
-	}
-
-	return keys, nil
-}
-
-func (r *rkv) Options() store.Options {
-	return r.opts
-}
-
-func (r *rkv) Name() string {
-	return r.opts.Name
-}
-
-func (r *rkv) String() string {
-	return "redis"
-}
-
-func NewStore(opts ...store.Option) store.Store {
-	return &rkv{opts: store.NewOptions(opts...)}
-}
-
-func (r *rkv) configure() error {
-	var redisOptions *redis.Options
-	var redisClusterOptions *redis.ClusterOptions
-	var err error
-
-	nodes := r.opts.Nodes
-
-	if len(nodes) == 0 {
-		nodes = []string{"redis://127.0.0.1:6379"}
-	}
-
-	if r.opts.Context != nil {
-		if c, ok := r.opts.Context.Value(configKey{}).(*redis.Options); ok {
-			redisOptions = c
 		}
-
-		if c, ok := r.opts.Context.Value(clusterConfigKey{}).(*redis.ClusterOptions); ok {
-			redisClusterOptions = c
-		}
-	}
-
-	if redisOptions != nil && redisClusterOptions != nil {
-		return fmt.Errorf("must specify only one option Config or ClusterConfig")
-	}
-
-	if redisOptions == nil && redisClusterOptions == nil && len(nodes) == 1 {
-		redisOptions, err = redis.ParseURL(nodes[0])
-		if err != nil {
-			//Backwards compatibility
-			redisOptions = &redis.Options{
-				Addr:     nodes[0],
-				Password: "", // no password set
-				DB:       0,  // use default DB
-			}
-		}
-	} else if redisOptions == nil && redisClusterOptions == nil && len(nodes) > 1 {
-		redisClusterOptions = &redis.ClusterOptions{Addrs: nodes}
-	}
-
-	if redisOptions != nil {
-		r.cli = redis.NewClient(redisOptions)
-	} else if redisClusterOptions != nil {
-		r.cli = redis.NewClusterClient(redisClusterOptions)
 	}
 
 	return nil
 }
+
+func (r *Store) Write(ctx context.Context, key string, val interface{}, opts ...options.Option) error {
+	if r.opts.Timeout > 0 {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
+		defer cancel()
+	}
+
+	options := store.NewWriteOptions(opts...)
+	if len(options.Namespace) == 0 {
+		options.Namespace = r.opts.Namespace
+	}
+
+	var buf []byte
+	switch vt := val.(type) {
+	case string:
+		buf = []byte(vt)
+	case []byte:
+		buf = vt
+	default:
+		var err error
+		buf, err = r.opts.Codec.Marshal(val)
+		if err != nil {
+			return err
+		}
+	}
+
+	if options.Namespace != "" {
+		key = fmt.Sprintf("%s%s", options.Namespace, key)
+	}
+
+	return r.cli.Set(ctx, key, buf, options.TTL).Err()
+}
+
+func (r *Store) List(ctx context.Context, opts ...options.Option) ([]string, error) {
+	options := store.NewListOptions(opts...)
+	if len(options.Namespace) == 0 {
+		options.Namespace = r.opts.Namespace
+	}
+
+	rkey := fmt.Sprintf("%s%s*", options.Namespace, options.Prefix)
+	if options.Suffix != "" {
+		rkey += options.Suffix
+	}
+	if r.opts.Timeout > 0 {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
+		defer cancel()
+	}
+	// TODO: add support for prefix/suffix/limit
+	keys, err := r.cli.Keys(ctx, rkey).Result()
+	if err != nil {
+		return nil, err
+	}
+	if options.Namespace == "" {
+		return keys, nil
+	}
+
+	nkeys := make([]string, 0, len(keys))
+	for _, key := range keys {
+		nkeys = append(nkeys, strings.TrimPrefix(key, options.Namespace))
+	}
+	return nkeys, nil
+}
+
+func (r *Store) Options() store.Options {
+	return r.opts
+}
+
+func (r *Store) Name() string {
+	return r.opts.Name
+}
+
+func (r *Store) String() string {
+	return "redis"
+}
+
+func NewStore(opts ...options.Option) *Store {
+	return &Store{opts: store.NewOptions(opts...)}
+}
+
+func (r *Store) configure() error {
+	var redisUniversalOptions *redis.UniversalOptions
+
+	if r.cli != nil && r.opts.Context == nil {
+		return nil
+	}
+
+	if r.opts.Context != nil {
+		if c, ok := r.opts.Context.Value(universalConfigKey{}).(*redis.UniversalOptions); ok {
+			redisUniversalOptions = c
+			if r.opts.TLSConfig != nil {
+				redisUniversalOptions.TLSConfig = r.opts.TLSConfig
+			}
+		}
+	}
+
+	if redisUniversalOptions == nil && r.cli != nil {
+		return nil
+	}
+
+	if redisUniversalOptions == nil {
+		redisUniversalOptions = &redis.UniversalOptions{
+			Username:        "",
+			Password:        "", // no password set
+			DB:              0,  // use default DB
+			MaxRetries:      2,
+			MaxRetryBackoff: 256 * time.Millisecond,
+			DialTimeout:     1 * time.Second,
+			ReadTimeout:     1 * time.Second,
+			WriteTimeout:    1 * time.Second,
+			PoolTimeout:     1 * time.Second,
+			MinIdleConns:    10,
+			TLSConfig:       r.opts.TLSConfig,
+		}
+	}
+
+	if len(r.opts.Address) > 0 {
+		redisUniversalOptions.Addrs = r.opts.Address
+	} else if len(redisUniversalOptions.Addrs) == 0 {
+		redisUniversalOptions.Addrs = []string{"redis://127.0.0.1:6379"}
+	}
+
+	r.cli = redis.NewUniversalClient(redisUniversalOptions)
+
+	return nil
+}

redis_test.go

@@ -1,13 +1,15 @@
 package redis
 
 import (
+	"bytes"
 	"context"
 	"os"
 	"testing"
 	"time"
 
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
-	"github.com/unistack-org/micro/v3/store"
+	"go.unistack.org/micro/v4/options"
+	"go.unistack.org/micro/v4/store"
 )
 
 func Test_rkv_configure(t *testing.T) {
@@ -27,44 +29,54 @@ func Test_rkv_configure(t *testing.T) {
 		wantErr bool
 		want    wantValues
 	}{
-		{name: "No Url", fields: fields{options: store.Options{}, Client: nil},
+		{
+			name: "No Url", fields: fields{options: store.Options{}, Client: nil},
 			wantErr: false, want: wantValues{
 				username: "",
 				password: "",
 				address:  "127.0.0.1:6379",
-			}},
+			},
-		{name: "legacy Url", fields: fields{options: store.Options{Nodes: []string{"127.0.0.1:6379"}}, Client: nil},
+		},
+		{
+			name: "legacy Url", fields: fields{options: store.Options{Address: []string{"127.0.0.1:6379"}}, Client: nil},
 			wantErr: false, want: wantValues{
 				username: "",
 				password: "",
 				address:  "127.0.0.1:6379",
-			}},
+			},
-		{name: "New Url", fields: fields{options: store.Options{Nodes: []string{"redis://127.0.0.1:6379"}}, Client: nil},
+		},
+		{
+			name: "New Url", fields: fields{options: store.Options{Address: []string{"redis://127.0.0.1:6379"}}, Client: nil},
 			wantErr: false, want: wantValues{
 				username: "",
 				password: "",
 				address:  "127.0.0.1:6379",
-			}},
+			},
-		{name: "Url with Pwd", fields: fields{options: store.Options{Nodes: []string{"redis://:password@redis:6379"}}, Client: nil},
+		},
+		{
+			name: "Url with Pwd", fields: fields{options: store.Options{Address: []string{"redis://:password@redis:6379"}}, Client: nil},
 			wantErr: false, want: wantValues{
 				username: "",
 				password: "password",
 				address:  "redis:6379",
-			}},
+			},
-		{name: "Url with username and Pwd", fields: fields{options: store.Options{Nodes: []string{"redis://username:password@redis:6379"}}, Client: nil},
+		},
+		{
+			name: "Url with username and Pwd", fields: fields{options: store.Options{Address: []string{"redis://username:password@redis:6379"}}, Client: nil},
 			wantErr: false, want: wantValues{
 				username: "username",
 				password: "password",
 				address:  "redis:6379",
-			}},
+			},
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			r := &rkv{
+			rc := &Store{
 				opts: tt.fields.options,
 				cli:  tt.fields.Client,
 			}
-			err := r.configure()
+			err := rc.configure()
 			if (err != nil) != tt.wantErr {
 				t.Errorf("configure() error = %v, wantErr %v", err, tt.wantErr)
 				return
@@ -79,33 +91,143 @@ func Test_Store(t *testing.T) {
 	if tr := os.Getenv("INTEGRATION_TESTS"); len(tr) > 0 {
 		t.Skip()
 	}
-	r := new(rkv)
+	r := NewStore(options.Address(os.Getenv("STORE_NODES")))
 
-	//r.options = store.Options{Nodes: []string{"redis://:password@127.0.0.1:6379"}}
+	if err := r.Init(); err != nil {
-	//r.options = store.Options{Nodes: []string{"127.0.0.1:6379"}}
+		t.Fatal(err)
-
+	}
-	r.opts = store.NewOptions(store.Nodes(os.Getenv("STORE_NODES")))
+	if err := r.Connect(ctx); err != nil {
-
-	if err := r.configure(); err != nil {
 		t.Fatal(err)
 	}
 
 	key := "myTest"
+	tval := []byte("myValue")
 	var val []byte
-	err := r.Write(ctx, key, []byte("myValue"), store.WriteTTL(2*time.Minute))
+	err := r.Write(ctx, key, tval, store.WriteTTL(2*time.Minute))
 	if err != nil {
 		t.Fatalf("Write error: %v", err)
 	}
-	err = r.Read(ctx, key, val)
+	err = r.Read(ctx, key, &val)
 	if err != nil {
 		t.Fatalf("Read error: %v\n", err)
+	} else if !bytes.Equal(val, tval) {
+		t.Fatalf("read err: data not eq")
 	}
+	keys, err := r.List(ctx)
+	if err != nil {
+		t.Fatalf("List error: %v\n", err)
+	}
+	_ = keys
 	err = r.Delete(ctx, key)
 	if err != nil {
 		t.Fatalf("Delete error: %v\n", err)
 	}
-	_, err = r.List(ctx)
+	// t.Logf("%v", keys)
+}
+
+func Test_MRead(t *testing.T) {
+	ctx := context.Background()
+	var err error
+	if tr := os.Getenv("INTEGRATION_TESTS"); len(tr) > 0 {
+		t.Skip()
+	}
+	r := NewStore(options.Address(os.Getenv("STORE_NODES")))
+
+	if err = r.Init(); err != nil {
+		t.Fatal(err)
+	}
+	if err = r.Connect(ctx); err != nil {
+		t.Fatal(err)
+	}
+
+	key1 := "myTest1"
+	key2 := "myTest2"
+	tval1 := []byte("myValue1")
+	tval2 := []byte("myValue2")
+	var vals [][]byte
+	err = r.Write(ctx, key1, tval1, store.WriteTTL(2*time.Minute))
+	if err != nil {
+		t.Fatalf("Write error: %v", err)
+	}
+	err = r.Write(ctx, key2, tval2, store.WriteTTL(2*time.Minute))
+	if err != nil {
+		t.Fatalf("Write error: %v", err)
+	}
+	err = r.MRead(ctx, []string{key1, key2}, &vals)
+	if err != nil {
+		t.Fatalf("Read error: %v\n", err)
+	}
+	// t.Logf("%s", vals)
+	_ = vals
+	keys, err := r.List(ctx)
 	if err != nil {
 		t.Fatalf("List error: %v\n", err)
 	}
+	_ = keys
+	// t.Logf("%v", keys)
+	err = r.Delete(ctx, key1)
+	if err != nil {
+		t.Fatalf("Delete error: %v\n", err)
+	}
+	err = r.Delete(ctx, key2)
+	if err != nil {
+		t.Fatalf("Delete error: %v\n", err)
+	}
 }
+
+/*
+func Test_MReadCodec(t *testing.T) {
+	type mytype struct {
+		Key string `json:"name"`
+		Val string `json:"val"`
+	}
+	ctx := context.Background()
+	var err error
+	if tr := os.Getenv("INTEGRATION_TESTS"); len(tr) > 0 {
+		t.Skip()
+	}
+	r := NewStore(store.Nodes(os.Getenv("STORE_NODES")), store.Codec(jsoncodec.NewCodec()))
+
+	if err = r.Init(); err != nil {
+		t.Fatal(err)
+	}
+	if err = r.Connect(ctx); err != nil {
+		t.Fatal(err)
+	}
+
+	key1 := "myTest1"
+	key2 := "myTest2"
+	key3 := "myTest3"
+	tval1 := &mytype{Key: "key1", Val: "val1"}
+	tval2 := &mytype{Key: "key2", Val: "val2"}
+	var vals []*mytype
+	err = r.Write(ctx, key1, tval1, store.WriteTTL(2*time.Minute))
+	if err != nil {
+		t.Fatalf("Write error: %v", err)
+	}
+	err = r.Write(ctx, key2, tval2, store.WriteTTL(2*time.Minute))
+	if err != nil {
+		t.Fatalf("Write error: %v", err)
+	}
+	err = r.MRead(ctx, []string{key1, key3, key2}, &vals)
+	if err != nil {
+		t.Fatalf("Read error: %v\n", err)
+	}
+	if vals[0].Key != "key1" || vals[1] != nil || vals[2].Key != "key2" {
+		t.Fatalf("read err: struct not filled")
+	}
+	keys, err := r.List(ctx)
+	if err != nil {
+		t.Fatalf("List error: %v\n", err)
+	}
+	_ = keys
+	err = r.Delete(ctx, key1)
+	if err != nil {
+		t.Fatalf("Delete error: %v\n", err)
+	}
+	err = r.Delete(ctx, key2)
+	if err != nil {
+		t.Fatalf("Delete error: %v\n", err)
+	}
+}
+*/