add WriteSize option

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

.github/renovate.json

@@ -0,0 +1,19 @@
+{
+  "extends": [
+    "config:base"
+  ],
+  "packageRules": [
+    {
+      "matchUpdateTypes": ["minor", "patch", "pin", "digest"],
+      "automerge": true
+    },
+    {
+      "groupName": "all deps",
+      "separateMajorMinor": true,
+      "groupSlug": "all",
+      "packagePatterns": [
+        "*"
+      ]
+    }
+  ]
+}

.github/workflows/build.yml

@@ -9,9 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v1
+      uses: actions/setup-go@v2
       with:
-        go-version: 1.15
+        go-version: 1.16
     - name: checkout
       uses: actions/checkout@v2
     - name: cache
@@ -33,7 +33,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v2
       - name: lint
-        uses: golangci/golangci-lint-action@v1
+        uses: golangci/golangci-lint-action@v2
         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/pr.yml

@@ -9,9 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v1
+      uses: actions/setup-go@v2
       with:
-        go-version: 1.15
+        go-version: 1.16
     - name: checkout
       uses: actions/checkout@v2
     - name: cache
@@ -33,7 +33,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v2
       - name: lint
-        uses: golangci/golangci-lint-action@v1
+        uses: golangci/golangci-lint-action@v2
         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

@@ -3,7 +3,8 @@ module github.com/unistack-org/micro-store-s3/v3
 go 1.15
 
 require (
-	github.com/gabriel-vasile/mimetype v1.1.2
-	github.com/minio/minio-go/v7 v7.0.7
-	github.com/unistack-org/micro/v3 v3.1.8
+	github.com/gabriel-vasile/mimetype v1.3.0
+	github.com/google/uuid v1.2.0
+	github.com/minio/minio-go/v7 v7.0.10
+	github.com/unistack-org/micro/v3 v3.3.17
 )

go.sum

@@ -1,43 +1,18 @@
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@@ -45,23 +20,17 @@ github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfV
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 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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 golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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-golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
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 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
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-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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-google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
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options.go

@@ -44,6 +44,13 @@ func WriteBucket(bucket string) store.WriteOption {
 	return store.SetWriteOption(bucketKey{}, bucket)
 }
 
+type writeSizeKey struct{}
+
+// WriteSize key values size hint
+func WriteSize(size int64) store.WriteOption {
+	return store.SetWriteOption(writeSizeKey{}, size)
+}
+
 // DeleteBucket sets the bucket name option
 func DeleteBucket(bucket string) store.DeleteOption {
 	return store.SetDeleteOption(bucketKey{}, bucket)

s3.go

@@ -21,10 +21,11 @@ import (
 var keyRegex = regexp.MustCompile("[^a-zA-Z0-9]+")
 
 type s3Store struct {
-	client   *minio.Client
-	opts     store.Options
-	endpoint string
-	mopts    *minio.Options
+	client    *minio.Client
+	opts      store.Options
+	endpoint  string
+	mopts     *minio.Options
+	connected bool
 }
 
 func getBucket(ctx context.Context) string {
@@ -43,15 +44,18 @@ func NewStore(opts ...store.Option) store.Store {
 }
 
 func (s *s3Store) Connect(ctx context.Context) error {
-	if s.client == nil {
-		client, err := minio.New(s.endpoint, s.mopts)
-		if err != nil {
-			return fmt.Errorf("Error connecting to store: %w", err)
-		}
-
-		s.client = client
+	if s.connected {
+		return nil
 	}
 
+	client, err := minio.New(s.endpoint, s.mopts)
+	if err != nil {
+		return fmt.Errorf("Error connecting to store: %w", err)
+	}
+
+	s.client = client
+	s.connected = true
+
 	return nil
 }
 
@@ -65,7 +69,8 @@ func (s *s3Store) Init(opts ...store.Option) error {
 	}
 
 	var akey, skey string
-	var endpoint string
+	region := "us-east-1"
+	endpoint := s.endpoint
 
 	if s.opts.Context != nil {
 		if v, ok := s.opts.Context.Value(accessKey{}).(string); ok && v != "" {
@@ -76,38 +81,39 @@ func (s *s3Store) Init(opts ...store.Option) error {
 		}
 		if v, ok := s.opts.Context.Value(endpointKey{}).(string); ok && v != "" {
 			endpoint = v
+			var secure bool
+
+			if strings.HasPrefix(endpoint, "https://") || s.opts.TLSConfig != nil {
+				secure = true
+			}
+
+			if u, err := url.Parse(endpoint); err == nil && u.Host != "" {
+				endpoint = u.Host
+			}
+
+			ts, err := minio.DefaultTransport(secure)
+			if err != nil {
+				return fmt.Errorf("init error: %w", err)
+			}
+			if s.opts.TLSConfig != nil {
+				ts.TLSClientConfig = s.opts.TLSConfig
+			}
+
+			s.mopts.Transport = ts
+			s.mopts.Secure = secure
+			s.endpoint = endpoint
 		}
+		if v, ok := s.opts.Context.Value(regionKey{}).(string); ok && v != "" {
+			region = v
+		}
+
 	}
 
 	if len(akey) > 0 && len(skey) > 0 {
 		s.mopts.Creds = creds.NewStaticV2(akey, skey, "")
 	}
 
-	if len(endpoint) == 0 {
-		return fmt.Errorf("missing Endpoint option")
-	}
-
-	var secure bool
-
-	if strings.HasPrefix(endpoint, "https://") || s.opts.TLSConfig != nil {
-		secure = true
-	}
-
-	if u, err := url.Parse(endpoint); err == nil && u.Host != "" {
-		endpoint = u.Host
-	}
-
-	ts, err := minio.DefaultTransport(secure)
-	if err != nil {
-		return fmt.Errorf("init error: %w", err)
-	}
-
-	if s.opts.TLSConfig != nil {
-		ts.TLSClientConfig = s.opts.TLSConfig
-	}
-	s.mopts.Transport = ts
-
-	s.endpoint = endpoint
+	s.mopts.Region = region
 
 	return nil
 }
@@ -182,17 +188,15 @@ func (s *s3Store) Write(ctx context.Context, key string, val interface{}, opts .
 		bucket = options.Namespace
 	}
 
-	var region string
 	mputopts := minio.PutObjectOptions{}
-
-	if v, ok := s.opts.Context.Value(regionKey{}).(string); ok && v != "" {
-		region = v
-	}
-
+	writeSize := int64(-1)
 	if options.Context != nil {
 		if v, ok := options.Context.Value(contentTypeKey{}).(string); ok && v != "" {
 			mputopts.ContentType = v
 		}
+		if v, ok := options.Context.Value(writeSizeKey{}).(int64); ok && v > 0 {
+			writeSize = v
+		}
 	}
 
 	// slow path
@@ -207,13 +211,13 @@ func (s *s3Store) Write(ctx context.Context, key string, val interface{}, opts .
 	if ok, err := s.client.BucketExists(ctx, bucket); err != nil {
 		return err
 	} else if !ok {
-		opts := minio.MakeBucketOptions{Region: region}
+		opts := minio.MakeBucketOptions{Region: s.mopts.Region}
 		if err := s.client.MakeBucket(ctx, bucket, opts); err != nil {
 			return err
 		}
 	}
 
-	_, err := s.client.PutObject(ctx, bucket, key, r, int64(-1), mputopts)
+	_, err := s.client.PutObject(ctx, bucket, key, r, writeSize, mputopts)
 	return err
 }
 
@@ -298,3 +302,7 @@ func (s *s3Store) List(ctx context.Context, opts ...store.ListOption) ([]string,
 func (s *s3Store) String() string {
 	return "s3"
 }
+
+func (s *s3Store) Name() string {
+	return s.opts.Name
+}

s3_test.go

@@ -5,6 +5,10 @@ import (
 	"context"
 	"os"
 	"testing"
+
+	"github.com/google/uuid"
+	"github.com/minio/minio-go/v7"
+	"github.com/unistack-org/micro/v3"
 )
 
 func TestStore(t *testing.T) {
@@ -24,35 +28,49 @@ func TestStore(t *testing.T) {
 		t.Fatal(err)
 	}
 
+	if err := s.Init(); err != nil {
+		t.Fatalf("double init test failed: %v", err)
+	}
+
 	if err := s.Connect(ctx); err != nil {
 		t.Fatal(err)
 	}
 
+	if err := s.Connect(ctx); err != nil {
+		t.Fatalf("double connect test failed: %v", err)
+	}
+
 	defer func() {
 		if err := s.Disconnect(ctx); err != nil {
 			t.Fatal(err)
 		}
 	}()
 
+	svc := micro.NewService(micro.Stores(s))
+	if err := svc.Init(); err != nil {
+		t.Fatalf("service init failed: %v", err)
+	}
+
 	val := []byte("test")
 	key := "key"
 
-	if err := s.Write(ctx, key, val, WriteBucket("micro-store-s3"), ContentType("text/plain")); err != nil {
+	bucket := "micro-store-s3-" + uuid.New().String()
+	if err := s.Write(ctx, key, val, WriteBucket(bucket), ContentType("text/plain")); err != nil {
 		t.Fatal(err)
 	}
 	val = nil
 
-	if err := s.Exists(ctx, key, ExistsBucket("micro-store-s3")); err != nil {
+	if err := s.Exists(ctx, key, ExistsBucket(bucket)); err != nil {
 		t.Fatal(err)
 	}
 
-	if err := s.Read(ctx, key, &val, ReadBucket("micro-store-s3")); err != nil {
+	if err := s.Read(ctx, key, &val, ReadBucket(bucket)); err != nil {
 		t.Fatal(err)
 	} else if !bytes.Equal(val, []byte("test")) {
 		t.Fatalf("read bytes are not equal %s != %s", val, "test")
 	}
 
-	names, err := s.List(ctx, ListBucket("micro-store-s3"))
+	names, err := s.List(ctx, ListBucket(bucket))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -68,4 +86,25 @@ func TestStore(t *testing.T) {
 		t.Fatalf("key not found in %v", names)
 	}
 
+	objectsCh := make(chan minio.ObjectInfo)
+	minioClient := s.(*s3Store).client
+	// Send object names that are needed to be removed to objectsCh
+	go func() {
+		defer close(objectsCh)
+		// List all objects from a bucket-name with a matching prefix.
+		for object := range minioClient.ListObjects(context.Background(), bucket, minio.ListObjectsOptions{Recursive: true}) {
+			if object.Err != nil {
+				t.Fatal(object.Err)
+			}
+			objectsCh <- object
+		}
+	}()
+
+	opts := minio.RemoveObjectsOptions{
+		GovernanceBypass: true,
+	}
+
+	for rErr := range minioClient.RemoveObjects(context.Background(), bucket, objectsCh, opts) {
+		t.Fatalf("Error detected during deletion: %v", rErr)
+	}
 }