tasks/common/persistence/visibility/visibility_manager_impl.go

// The MIT License
//
// Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
//
// Copyright (c) 2020 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package visibility

import (
	"context"
	"fmt"
	"time"

	"github.com/gogo/protobuf/proto"
	commonpb "go.temporal.io/api/common/v1"
	enumspb "go.temporal.io/api/enums/v1"
	"go.temporal.io/api/serviceerror"
	workflowpb "go.temporal.io/api/workflow/v1"

	"go.temporal.io/server/common/log"
	"go.temporal.io/server/common/namespace"
	"go.temporal.io/server/common/persistence/visibility/manager"
	"go.temporal.io/server/common/persistence/visibility/store"
)

type (
	// visibilityManagerImpl is responsible for:
	//  - convert request (serialized some fields),
	//  - call underlying store (standard or advanced),
	//  - convert response.
	visibilityManagerImpl struct {
		store  store.VisibilityStore
		logger log.Logger
	}
)

const (
	// MemoEncoding is default encoding for visibility memo.
	MemoEncoding = enumspb.ENCODING_TYPE_PROTO3
)

var _ manager.VisibilityManager = (*visibilityManagerImpl)(nil)

func newVisibilityManagerImpl(
	store store.VisibilityStore,
	logger log.Logger,
) *visibilityManagerImpl {
	return &visibilityManagerImpl{
		store:  store,
		logger: logger,
	}
}

func (p *visibilityManagerImpl) Close() {
	p.store.Close()
}

func (p *visibilityManagerImpl) GetReadStoreName(_ namespace.Name) string {
	return p.store.GetName()
}

func (p *visibilityManagerImpl) GetStoreNames() []string {
	return []string{p.store.GetName()}
}

func (p *visibilityManagerImpl) HasStoreName(stName string) bool {
	return p.store.GetName() == stName
}

func (p *visibilityManagerImpl) GetIndexName() string {
	return p.store.GetIndexName()
}

func (p *visibilityManagerImpl) ValidateCustomSearchAttributes(
	searchAttributes map[string]any,
) (map[string]any, error) {
	return p.store.ValidateCustomSearchAttributes(searchAttributes)
}

func (p *visibilityManagerImpl) RecordWorkflowExecutionStarted(
	ctx context.Context,
	request *manager.RecordWorkflowExecutionStartedRequest,
) error {
	requestBase, err := p.newInternalVisibilityRequestBase(request.VisibilityRequestBase)
	if err != nil {
		return err
	}
	req := &store.InternalRecordWorkflowExecutionStartedRequest{
		InternalVisibilityRequestBase: requestBase,
	}
	return p.store.RecordWorkflowExecutionStarted(ctx, req)
}

func (p *visibilityManagerImpl) RecordWorkflowExecutionClosed(
	ctx context.Context,
	request *manager.RecordWorkflowExecutionClosedRequest,
) error {
	requestBase, err := p.newInternalVisibilityRequestBase(request.VisibilityRequestBase)
	if err != nil {
		return err
	}
	req := &store.InternalRecordWorkflowExecutionClosedRequest{
		InternalVisibilityRequestBase: requestBase,
		CloseTime:                     request.CloseTime,
		HistoryLength:                 request.HistoryLength,
		HistorySizeBytes:              request.HistorySizeBytes,
	}
	return p.store.RecordWorkflowExecutionClosed(ctx, req)
}

func (p *visibilityManagerImpl) UpsertWorkflowExecution(
	ctx context.Context,
	request *manager.UpsertWorkflowExecutionRequest,
) error {
	requestBase, err := p.newInternalVisibilityRequestBase(request.VisibilityRequestBase)
	if err != nil {
		return err
	}
	req := &store.InternalUpsertWorkflowExecutionRequest{
		InternalVisibilityRequestBase: requestBase,
	}
	return p.store.UpsertWorkflowExecution(ctx, req)
}

func (p *visibilityManagerImpl) DeleteWorkflowExecution(
	ctx context.Context,
	request *manager.VisibilityDeleteWorkflowExecutionRequest,
) error {
	return p.store.DeleteWorkflowExecution(ctx, request)
}

func (p *visibilityManagerImpl) ListOpenWorkflowExecutions(
	ctx context.Context,
	request *manager.ListWorkflowExecutionsRequest,
) (*manager.ListWorkflowExecutionsResponse, error) {
	response, err := p.store.ListOpenWorkflowExecutions(ctx, request)
	if err != nil {
		return nil, err
	}
	return p.convertInternalListResponse(response)
}

func (p *visibilityManagerImpl) ListClosedWorkflowExecutions(
	ctx context.Context,
	request *manager.ListWorkflowExecutionsRequest,
) (*manager.ListWorkflowExecutionsResponse, error) {
	response, err := p.store.ListClosedWorkflowExecutions(ctx, request)
	if err != nil {
		return nil, err
	}

	return p.convertInternalListResponse(response)
}

func (p *visibilityManagerImpl) ListOpenWorkflowExecutionsByType(
	ctx context.Context,
	request *manager.ListWorkflowExecutionsByTypeRequest,
) (*manager.ListWorkflowExecutionsResponse, error) {
	response, err := p.store.ListOpenWorkflowExecutionsByType(ctx, request)
	if err != nil {
		return nil, err
	}

	return p.convertInternalListResponse(response)
}

func (p *visibilityManagerImpl) ListClosedWorkflowExecutionsByType(
	ctx context.Context,
	request *manager.ListWorkflowExecutionsByTypeRequest,
) (*manager.ListWorkflowExecutionsResponse, error) {
	response, err := p.store.ListClosedWorkflowExecutionsByType(ctx, request)
	if err != nil {
		return nil, err
	}

	return p.convertInternalListResponse(response)
}

func (p *visibilityManagerImpl) ListOpenWorkflowExecutionsByWorkflowID(
	ctx context.Context,
	request *manager.ListWorkflowExecutionsByWorkflowIDRequest,
) (*manager.ListWorkflowExecutionsResponse, error) {
	response, err := p.store.ListOpenWorkflowExecutionsByWorkflowID(ctx, request)
	if err != nil {
		return nil, err
	}

	return p.convertInternalListResponse(response)
}

func (p *visibilityManagerImpl) ListClosedWorkflowExecutionsByWorkflowID(
	ctx context.Context,
	request *manager.ListWorkflowExecutionsByWorkflowIDRequest,
) (*manager.ListWorkflowExecutionsResponse, error) {
	response, err := p.store.ListClosedWorkflowExecutionsByWorkflowID(ctx, request)
	if err != nil {
		return nil, err
	}

	return p.convertInternalListResponse(response)
}

func (p *visibilityManagerImpl) ListClosedWorkflowExecutionsByStatus(
	ctx context.Context,
	request *manager.ListClosedWorkflowExecutionsByStatusRequest,
) (*manager.ListWorkflowExecutionsResponse, error) {
	response, err := p.store.ListClosedWorkflowExecutionsByStatus(ctx, request)
	if err != nil {
		return nil, err
	}

	return p.convertInternalListResponse(response)
}

func (p *visibilityManagerImpl) ListWorkflowExecutions(
	ctx context.Context,
	request *manager.ListWorkflowExecutionsRequestV2,
) (*manager.ListWorkflowExecutionsResponse, error) {
	response, err := p.store.ListWorkflowExecutions(ctx, request)
	if err != nil {
		return nil, err
	}

	return p.convertInternalListResponse(response)
}

func (p *visibilityManagerImpl) ScanWorkflowExecutions(
	ctx context.Context,
	request *manager.ListWorkflowExecutionsRequestV2,
) (*manager.ListWorkflowExecutionsResponse, error) {
	response, err := p.store.ScanWorkflowExecutions(ctx, request)
	if err != nil {
		return nil, err
	}

	return p.convertInternalListResponse(response)
}

func (p *visibilityManagerImpl) CountWorkflowExecutions(
	ctx context.Context,
	request *manager.CountWorkflowExecutionsRequest,
) (*manager.CountWorkflowExecutionsResponse, error) {
	response, err := p.store.CountWorkflowExecutions(ctx, request)
	if err != nil {
		return nil, err
	}

	return response, err
}

func (p *visibilityManagerImpl) GetWorkflowExecution(
	ctx context.Context,
	request *manager.GetWorkflowExecutionRequest,
) (*manager.GetWorkflowExecutionResponse, error) {
	response, err := p.store.GetWorkflowExecution(ctx, request)
	if err != nil {
		return nil, err
	}
	execution, err := p.convertInternalWorkflowExecutionInfo(response.Execution)
	if err != nil {
		return nil, err
	}
	return &manager.GetWorkflowExecutionResponse{Execution: execution}, err
}

func (p *visibilityManagerImpl) newInternalVisibilityRequestBase(request *manager.VisibilityRequestBase) (*store.InternalVisibilityRequestBase, error) {
	if request == nil {
		return nil, nil
	}
	memoBlob, err := p.serializeMemo(request.Memo)
	if err != nil {
		return nil, err
	}

	return &store.InternalVisibilityRequestBase{
		NamespaceID:          request.NamespaceID.String(),
		WorkflowID:           request.Execution.GetWorkflowId(),
		RunID:                request.Execution.GetRunId(),
		WorkflowTypeName:     request.WorkflowTypeName,
		StartTime:            request.StartTime,
		Status:               request.Status,
		ExecutionTime:        request.ExecutionTime,
		StateTransitionCount: request.StateTransitionCount,
		TaskID:               request.TaskID,
		ShardID:              request.ShardID,
		TaskQueue:            request.TaskQueue,
		Memo:                 memoBlob,
		SearchAttributes:     request.SearchAttributes,
	}, nil
}

func (p *visibilityManagerImpl) convertInternalListResponse(internalResponse *store.InternalListWorkflowExecutionsResponse) (*manager.ListWorkflowExecutionsResponse, error) {
	if internalResponse == nil {
		return nil, nil
	}

	resp := &manager.ListWorkflowExecutionsResponse{}
	resp.Executions = make([]*workflowpb.WorkflowExecutionInfo, len(internalResponse.Executions))
	for i, execution := range internalResponse.Executions {
		var err error
		resp.Executions[i], err = p.convertInternalWorkflowExecutionInfo(execution)
		if err != nil {
			return nil, err
		}
	}

	resp.NextPageToken = internalResponse.NextPageToken
	return resp, nil
}

func (p *visibilityManagerImpl) convertInternalWorkflowExecutionInfo(internalExecution *store.InternalWorkflowExecutionInfo) (*workflowpb.WorkflowExecutionInfo, error) {
	if internalExecution == nil {
		return nil, nil
	}
	memo, err := p.deserializeMemo(internalExecution.Memo)
	if err != nil {
		return nil, err
	}

	executionInfo := &workflowpb.WorkflowExecutionInfo{
		Execution: &commonpb.WorkflowExecution{
			WorkflowId: internalExecution.WorkflowID,
			RunId:      internalExecution.RunID,
		},
		Type: &commonpb.WorkflowType{
			Name: internalExecution.TypeName,
		},
		StartTime:            &internalExecution.StartTime,
		ExecutionTime:        &internalExecution.ExecutionTime,
		Memo:                 memo,
		SearchAttributes:     internalExecution.SearchAttributes,
		TaskQueue:            internalExecution.TaskQueue,
		Status:               internalExecution.Status,
		StateTransitionCount: internalExecution.StateTransitionCount,
	}

	// for close records
	if internalExecution.Status != enumspb.WORKFLOW_EXECUTION_STATUS_RUNNING {
		executionInfo.CloseTime = &internalExecution.CloseTime
		executionInfo.HistoryLength = internalExecution.HistoryLength
		executionInfo.HistorySizeBytes = internalExecution.HistorySizeBytes
	}

	// Workflows created before 1.11 have ExecutionTime set to Unix epoch zero time (1/1/1970) for non-cron/non-retry case.
	// Use StartTime as ExecutionTime for this case (if there was a backoff it must be set).
	// Remove this "if" block when ExecutionTime field has actual correct value (added 6/9/21).
	// Affects only non-advanced visibility.
	if !executionInfo.ExecutionTime.After(time.Unix(0, 0)) {
		executionInfo.ExecutionTime = executionInfo.StartTime
	}

	return executionInfo, nil
}
func (p *visibilityManagerImpl) deserializeMemo(data *commonpb.DataBlob) (*commonpb.Memo, error) {
	if data == nil || len(data.Data) == 0 {
		return &commonpb.Memo{}, nil
	}

	var ()
	switch data.EncodingType {
	case enumspb.ENCODING_TYPE_PROTO3:
		memo := &commonpb.Memo{}
		err := proto.Unmarshal(data.Data, memo)
		if err != nil {
			return nil, serviceerror.NewInternal(fmt.Sprintf("Unable to deserialize memo from data blob: %v", err))
		}
		return memo, nil
	default:
		return nil, serviceerror.NewInternal(fmt.Sprintf("Invalid memo encoding in database: %s", data.GetEncodingType().String()))
	}
}

func (p *visibilityManagerImpl) serializeMemo(memo *commonpb.Memo) (*commonpb.DataBlob, error) {
	if memo == nil {
		memo = &commonpb.Memo{}
	}

	data, err := proto.Marshal(memo)
	if err != nil {
		return nil, serviceerror.NewInternal(fmt.Sprintf("Unable to serialize memo to data blob: %v", err))
	}

	return &commonpb.DataBlob{
		Data:         data,
		EncodingType: MemoEncoding,
	}, nil
}