fix ossbackend only returned 100 workspaces

backend/remote-state/oss/backend_state.go

@@ -57,28 +57,39 @@ func (b *Backend) Workspaces() ([]string, error) {
 	}
 
 	var options []oss.Option
-	options = append(options, oss.Prefix(b.statePrefix+"/"))
+	options = append(options, oss.Prefix(b.statePrefix+"/"), oss.MaxKeys(1000))
 	resp, err := bucket.ListObjects(options...)
-
 	if err != nil {
 		return nil, err
 	}
 
 	result := []string{backend.DefaultStateName}
 	prefix := b.statePrefix
-	for _, obj := range resp.Objects {
-		// we have 3 parts, the state prefix, the workspace name, and the state file: <prefix>/<worksapce-name>/<key>
-		if path.Join(b.statePrefix, b.stateKey) == obj.Key {
-			// filter the default workspace
-			continue
+	lastObj := ""
+	for {
+		for _, obj := range resp.Objects {
+			// we have 3 parts, the state prefix, the workspace name, and the state file: <prefix>/<worksapce-name>/<key>
+			if path.Join(b.statePrefix, b.stateKey) == obj.Key {
+				// filter the default workspace
+				continue
+			}
+			lastObj = obj.Key
+			parts := strings.Split(strings.TrimPrefix(obj.Key, prefix+"/"), "/")
+			if len(parts) > 0 && parts[0] != "" {
+				result = append(result, parts[0])
+			}
 		}
-
-		parts := strings.Split(strings.TrimPrefix(obj.Key, prefix+"/"), "/")
-		if len(parts) > 0 && parts[0] != "" {
-			result = append(result, parts[0])
+		if resp.IsTruncated {
+			if len(options) == 3 {
+				options[2] = oss.Marker(lastObj)
+			} else {
+				options = append(options, oss.Marker(lastObj))
+			}
+			resp, err = bucket.ListObjects(options...)
+		} else {
+			break
 		}
 	}
-
 	sort.Strings(result[1:])
 	return result, nil
 }

backend/remote-state/oss/backend_test.go

@@ -67,6 +67,44 @@ func TestBackendConfig(t *testing.T) {
 	}
 }
 
+func TestBackendConfigWorkSpace(t *testing.T) {
+	testACC(t)
+	config := map[string]interface{}{
+		"region":              "cn-beijing",
+		"bucket":              "terraform-backend-oss-test",
+		"prefix":              "mystate",
+		"key":                 "first.tfstate",
+		"tablestore_endpoint": "https://terraformstate.cn-beijing.ots.aliyuncs.com",
+		"tablestore_table":    "TableStore",
+	}
+
+	b := backend.TestBackendConfig(t, New(), backend.TestWrapConfig(config)).(*Backend)
+	createOSSBucket(t, b.ossClient, "terraform-backend-oss-test")
+	defer deleteOSSBucket(t, b.ossClient, "terraform-backend-oss-test")
+	if _, err := b.Workspaces(); err != nil {
+		t.Fatal(err.Error())
+	}
+	if !strings.HasPrefix(b.ossClient.Config.Endpoint, "https://oss-cn-beijing") {
+		t.Fatalf("Incorrect region was provided")
+	}
+	if b.bucketName != "terraform-backend-oss-test" {
+		t.Fatalf("Incorrect bucketName was provided")
+	}
+	if b.statePrefix != "mystate" {
+		t.Fatalf("Incorrect state file path was provided")
+	}
+	if b.stateKey != "first.tfstate" {
+		t.Fatalf("Incorrect keyName was provided")
+	}
+
+	if b.ossClient.Config.AccessKeyID == "" {
+		t.Fatalf("No Access Key Id was provided")
+	}
+	if b.ossClient.Config.AccessKeySecret == "" {
+		t.Fatalf("No Secret Access Key was provided")
+	}
+}
+
 func TestBackendConfigProfile(t *testing.T) {
 	testACC(t)
 	config := map[string]interface{}{