/
workflowHandler.go
3349 lines (2846 loc) · 113 KB
/
workflowHandler.go
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// Copyright (c) 2017 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 frontend
import (
"context"
"encoding/json"
"fmt"
"sync"
"time"
"github.com/pborman/uuid"
"github.com/uber-go/tally"
"github.com/uber/cadence/.gen/go/cadence/workflowserviceserver"
"github.com/uber/cadence/.gen/go/health"
"github.com/uber/cadence/.gen/go/health/metaserver"
h "github.com/uber/cadence/.gen/go/history"
m "github.com/uber/cadence/.gen/go/matching"
"github.com/uber/cadence/.gen/go/shared"
gen "github.com/uber/cadence/.gen/go/shared"
"github.com/uber/cadence/client/history"
"github.com/uber/cadence/client/matching"
"github.com/uber/cadence/common"
"github.com/uber/cadence/common/backoff"
"github.com/uber/cadence/common/blobstore"
"github.com/uber/cadence/common/blobstore/blob"
"github.com/uber/cadence/common/cache"
"github.com/uber/cadence/common/client"
"github.com/uber/cadence/common/clock"
"github.com/uber/cadence/common/cron"
"github.com/uber/cadence/common/definition"
"github.com/uber/cadence/common/log"
"github.com/uber/cadence/common/log/tag"
"github.com/uber/cadence/common/messaging"
"github.com/uber/cadence/common/metrics"
"github.com/uber/cadence/common/persistence"
"github.com/uber/cadence/common/service"
"github.com/uber/cadence/common/tokenbucket"
"github.com/uber/cadence/service/worker/archiver"
"go.uber.org/yarpc/yarpcerrors"
)
var _ workflowserviceserver.Interface = (*WorkflowHandler)(nil)
type (
// WorkflowHandler - Thrift handler interface for workflow service
WorkflowHandler struct {
domainCache cache.DomainCache
metadataMgr persistence.MetadataManager
historyMgr persistence.HistoryManager
historyV2Mgr persistence.HistoryV2Manager
visibilityMgr persistence.VisibilityManager
history history.Client
matching matching.Client
matchingRawClient matching.Client
tokenSerializer common.TaskTokenSerializer
metricsClient metrics.Client
startWG sync.WaitGroup
rateLimiter tokenbucket.TokenBucket
config *Config
blobstoreClient blobstore.Client
versionChecker *versionChecker
domainHandler *domainHandlerImpl
visibilityQueryValidator *common.VisibilityQueryValidator
service.Service
}
getHistoryContinuationToken struct {
RunID string
FirstEventID int64
NextEventID int64
IsWorkflowRunning bool
PersistenceToken []byte
TransientDecision *gen.TransientDecisionInfo
EventStoreVersion int32
BranchToken []byte
ReplicationInfo map[string]*gen.ReplicationInfo
}
getHistoryContinuationTokenArchival struct {
BlobstorePageToken int
CloseFailoverVersion int64
}
)
var (
errDomainNotSet = &gen.BadRequestError{Message: "Domain not set on request."}
errTaskTokenNotSet = &gen.BadRequestError{Message: "Task token not set on request."}
errInvalidTaskToken = &gen.BadRequestError{Message: "Invalid TaskToken."}
errInvalidRequestType = &gen.BadRequestError{Message: "Invalid request type."}
errTaskListNotSet = &gen.BadRequestError{Message: "TaskList is not set on request."}
errTaskListTypeNotSet = &gen.BadRequestError{Message: "TaskListType is not set on request."}
errExecutionNotSet = &gen.BadRequestError{Message: "Execution is not set on request."}
errWorkflowIDNotSet = &gen.BadRequestError{Message: "WorkflowId is not set on request."}
errRunIDNotSet = &gen.BadRequestError{Message: "RunId is not set on request."}
errActivityIDNotSet = &gen.BadRequestError{Message: "ActivityID is not set on request."}
errInvalidRunID = &gen.BadRequestError{Message: "Invalid RunId."}
errInvalidNextPageToken = &gen.BadRequestError{Message: "Invalid NextPageToken."}
errNextPageTokenRunIDMismatch = &gen.BadRequestError{Message: "RunID in the request does not match the NextPageToken."}
errQueryNotSet = &gen.BadRequestError{Message: "WorkflowQuery is not set on request."}
errQueryTypeNotSet = &gen.BadRequestError{Message: "QueryType is not set on request."}
errRequestNotSet = &gen.BadRequestError{Message: "Request is nil."}
errNoPermission = &gen.BadRequestError{Message: "No permission to do this operation."}
errRequestIDNotSet = &gen.BadRequestError{Message: "RequestId is not set on request."}
errWorkflowTypeNotSet = &gen.BadRequestError{Message: "WorkflowType is not set on request."}
errInvalidExecutionStartToCloseTimeoutSeconds = &gen.BadRequestError{Message: "A valid ExecutionStartToCloseTimeoutSeconds is not set on request."}
errInvalidTaskStartToCloseTimeoutSeconds = &gen.BadRequestError{Message: "A valid TaskStartToCloseTimeoutSeconds is not set on request."}
errClientVersionNotSet = &gen.BadRequestError{Message: "Client version is not set on request."}
// err for archival
errDomainHasNeverBeenEnabledForArchival = &gen.BadRequestError{Message: "Attempted to fetch history from archival, but domain has never been enabled for archival."}
errInvalidNextArchivalPageToken = &gen.BadRequestError{Message: "Invalid NextPageToken for archival."}
// err for string too long
errDomainTooLong = &gen.BadRequestError{Message: "Domain length exceeds limit."}
errWorkflowTypeTooLong = &gen.BadRequestError{Message: "WorkflowType length exceeds limit."}
errWorkflowIDTooLong = &gen.BadRequestError{Message: "WorkflowID length exceeds limit."}
errSignalNameTooLong = &gen.BadRequestError{Message: "SignalName length exceeds limit."}
errTaskListTooLong = &gen.BadRequestError{Message: "TaskList length exceeds limit."}
errRequestIDTooLong = &gen.BadRequestError{Message: "RequestID length exceeds limit."}
errIdentityTooLong = &gen.BadRequestError{Message: "Identity length exceeds limit."}
// err indicating that this cluster is not the master, so cannot do domain registration or update
errNotMasterCluster = &gen.BadRequestError{Message: "Cluster is not master cluster, cannot do domain registration or domain update."}
errCannotAddClusterToLocalDomain = &gen.BadRequestError{Message: "Cannot add more replicated cluster to local domain."}
errCannotModifyClustersFromDomain = &gen.BadRequestError{Message: "Cannot modify existing replicated clusters from a domain."}
errActiveClusterNotInClusters = &gen.BadRequestError{Message: "Active cluster is not contained in all clusters."}
errCannotDoDomainFailoverAndUpdate = &gen.BadRequestError{Message: "Cannot set active cluster to current cluster when other parameters are set."}
frontendServiceRetryPolicy = common.CreateFrontendServiceRetryPolicy()
)
// NewWorkflowHandler creates a thrift handler for the cadence service
func NewWorkflowHandler(sVice service.Service, config *Config, metadataMgr persistence.MetadataManager,
historyMgr persistence.HistoryManager, historyV2Mgr persistence.HistoryV2Manager,
visibilityMgr persistence.VisibilityManager, kafkaProducer messaging.Producer,
blobstoreClient blobstore.Client) *WorkflowHandler {
handler := &WorkflowHandler{
Service: sVice,
config: config,
metadataMgr: metadataMgr,
historyMgr: historyMgr,
historyV2Mgr: historyV2Mgr,
visibilityMgr: visibilityMgr,
tokenSerializer: common.NewJSONTaskTokenSerializer(),
domainCache: cache.NewDomainCache(metadataMgr, sVice.GetClusterMetadata(), sVice.GetMetricsClient(), sVice.GetLogger()),
rateLimiter: tokenbucket.NewDynamicTokenBucket(config.RPS, clock.NewRealTimeSource()),
blobstoreClient: blobstoreClient,
versionChecker: &versionChecker{checkVersion: config.EnableClientVersionCheck()},
domainHandler: newDomainHandler(
config,
sVice.GetLogger(),
metadataMgr,
sVice.GetClusterMetadata(),
blobstoreClient,
NewDomainReplicator(kafkaProducer, sVice.GetLogger()),
),
visibilityQueryValidator: common.NewQueryValidator(config.ValidSearchAttributes),
}
// prevent us from trying to serve requests before handler's Start() is complete
handler.startWG.Add(1)
return handler
}
// RegisterHandler register this handler, must be called before Start()
// if DCRedirectionHandler is also used, use RegisterHandler in DCRedirectionHandler instead
func (wh *WorkflowHandler) RegisterHandler() {
wh.Service.GetDispatcher().Register(workflowserviceserver.New(wh))
wh.Service.GetDispatcher().Register(metaserver.New(wh))
}
// Start starts the handler
func (wh *WorkflowHandler) Start() error {
wh.domainCache.Start()
wh.history = wh.GetClientBean().GetHistoryClient()
wh.matchingRawClient = wh.GetClientBean().GetMatchingClient()
wh.matching = matching.NewRetryableClient(wh.matchingRawClient, common.CreateMatchingServiceRetryPolicy(),
common.IsWhitelistServiceTransientError)
wh.metricsClient = wh.Service.GetMetricsClient()
wh.startWG.Done()
return nil
}
// Stop stops the handler
func (wh *WorkflowHandler) Stop() {
wh.domainCache.Stop()
wh.metadataMgr.Close()
wh.visibilityMgr.Close()
wh.historyMgr.Close()
wh.Service.Stop()
}
// Health is for health check
func (wh *WorkflowHandler) Health(ctx context.Context) (*health.HealthStatus, error) {
wh.startWG.Wait()
wh.GetLogger().Debug("Frontend health check endpoint reached.")
hs := &health.HealthStatus{Ok: true, Msg: common.StringPtr("frontend good")}
return hs, nil
}
// RegisterDomain creates a new domain which can be used as a container for all resources. Domain is a top level
// entity within Cadence, used as a container for all resources like workflow executions, tasklists, etc. Domain
// acts as a sandbox and provides isolation for all resources within the domain. All resources belongs to exactly one
// domain.
func (wh *WorkflowHandler) RegisterDomain(ctx context.Context, registerRequest *gen.RegisterDomainRequest) (retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
scope, sw := wh.startRequestProfile(metrics.FrontendRegisterDomainScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return wh.error(err, scope)
}
err := wh.domainHandler.registerDomain(ctx, registerRequest)
if err != nil {
return wh.error(err, scope)
}
return nil
}
// ListDomains returns the information and configuration for a registered domain.
func (wh *WorkflowHandler) ListDomains(ctx context.Context,
listRequest *gen.ListDomainsRequest) (response *gen.ListDomainsResponse, retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
scope, sw := wh.startRequestProfile(metrics.FrontendListDomainsScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return nil, wh.error(err, scope)
}
resp, err := wh.domainHandler.listDomains(ctx, listRequest)
if err != nil {
return resp, wh.error(err, scope)
}
return resp, err
}
// DescribeDomain returns the information and configuration for a registered domain.
func (wh *WorkflowHandler) DescribeDomain(ctx context.Context,
describeRequest *gen.DescribeDomainRequest) (response *gen.DescribeDomainResponse, retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
scope, sw := wh.startRequestProfile(metrics.FrontendDescribeDomainScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return nil, wh.error(err, scope)
}
resp, err := wh.domainHandler.describeDomain(ctx, describeRequest)
if err != nil {
return resp, wh.error(err, scope)
}
return resp, err
}
// UpdateDomain is used to update the information and configuration for a registered domain.
func (wh *WorkflowHandler) UpdateDomain(ctx context.Context,
updateRequest *gen.UpdateDomainRequest) (resp *gen.UpdateDomainResponse, retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
scope, sw := wh.startRequestProfile(metrics.FrontendUpdateDomainScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return nil, wh.error(err, scope)
}
resp, err := wh.domainHandler.updateDomain(ctx, updateRequest)
if err != nil {
return resp, wh.error(err, scope)
}
return resp, err
}
// DeprecateDomain us used to update status of a registered domain to DEPRECATED. Once the domain is deprecated
// it cannot be used to start new workflow executions. Existing workflow executions will continue to run on
// deprecated domains.
func (wh *WorkflowHandler) DeprecateDomain(ctx context.Context, deprecateRequest *gen.DeprecateDomainRequest) (retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
scope, sw := wh.startRequestProfile(metrics.FrontendDeprecateDomainScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return wh.error(err, scope)
}
err := wh.domainHandler.deprecateDomain(ctx, deprecateRequest)
if err != nil {
return wh.error(err, scope)
}
return err
}
// PollForActivityTask - Poll for an activity task.
func (wh *WorkflowHandler) PollForActivityTask(
ctx context.Context,
pollRequest *gen.PollForActivityTaskRequest) (resp *gen.PollForActivityTaskResponse, retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
callTime := time.Now()
scope, sw := wh.startRequestProfile(metrics.FrontendPollForActivityTaskScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return nil, wh.error(err, scope)
}
if pollRequest == nil {
return nil, wh.error(errRequestNotSet, scope)
}
if ok, _ := wh.rateLimiter.TryConsume(1); !ok {
return nil, wh.error(createServiceBusyError(), scope)
}
wh.Service.GetLogger().Debug("Received PollForActivityTask")
if err := common.ValidateLongPollContextTimeout(ctx, "PollForActivityTask", wh.Service.GetLogger()); err != nil {
return nil, wh.error(err, scope)
}
if pollRequest.Domain == nil || pollRequest.GetDomain() == "" {
return nil, wh.error(errDomainNotSet, scope)
}
if len(pollRequest.GetDomain()) > wh.config.MaxIDLengthLimit() {
return nil, wh.error(errDomainTooLong, scope)
}
if err := wh.validateTaskList(pollRequest.TaskList, scope); err != nil {
return nil, err
}
if len(pollRequest.GetIdentity()) > wh.config.MaxIDLengthLimit() {
return nil, wh.error(errIdentityTooLong, scope)
}
domainID, err := wh.domainCache.GetDomainID(pollRequest.GetDomain())
if err != nil {
return nil, wh.error(err, scope)
}
// add domain tag to scope, so further metrics will have the domain tag
scope = scope.Tagged(metrics.DomainTag(pollRequest.GetDomain()))
pollerID := uuid.New()
op := func() error {
var err error
resp, err = wh.matching.PollForActivityTask(ctx, &m.PollForActivityTaskRequest{
DomainUUID: common.StringPtr(domainID),
PollerID: common.StringPtr(pollerID),
PollRequest: pollRequest,
})
return err
}
err = backoff.Retry(op, frontendServiceRetryPolicy, common.IsServiceTransientError)
if err != nil {
err = wh.cancelOutstandingPoll(ctx, err, domainID, persistence.TaskListTypeActivity, pollRequest.TaskList, pollerID)
if err != nil {
// For all other errors log an error and return it back to client.
ctxTimeout := "not-set"
ctxDeadline, ok := ctx.Deadline()
if ok {
ctxTimeout = ctxDeadline.Sub(callTime).String()
}
wh.Service.GetLogger().Error("PollForActivityTask failed.",
tag.WorkflowTaskListName(pollRequest.GetTaskList().GetName()),
tag.Value(ctxTimeout),
tag.Error(err))
return nil, wh.error(err, scope)
}
}
return resp, nil
}
// PollForDecisionTask - Poll for a decision task.
func (wh *WorkflowHandler) PollForDecisionTask(
ctx context.Context,
pollRequest *gen.PollForDecisionTaskRequest) (resp *gen.PollForDecisionTaskResponse, retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
callTime := time.Now()
scope, sw := wh.startRequestProfile(metrics.FrontendPollForDecisionTaskScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return nil, wh.error(err, scope)
}
if pollRequest == nil {
return nil, wh.error(errRequestNotSet, scope)
}
if ok, _ := wh.rateLimiter.TryConsume(1); !ok {
return nil, wh.error(createServiceBusyError(), scope)
}
wh.Service.GetLogger().Debug("Received PollForDecisionTask")
if err := common.ValidateLongPollContextTimeout(ctx, "PollForDecisionTask", wh.Service.GetLogger()); err != nil {
return nil, wh.error(err, scope)
}
if pollRequest.Domain == nil || pollRequest.GetDomain() == "" {
return nil, wh.error(errDomainNotSet, scope)
}
if len(pollRequest.GetDomain()) > wh.config.MaxIDLengthLimit() {
return nil, wh.error(errDomainTooLong, scope)
}
if len(pollRequest.GetIdentity()) > wh.config.MaxIDLengthLimit() {
return nil, wh.error(errIdentityTooLong, scope)
}
if err := wh.validateTaskList(pollRequest.TaskList, scope); err != nil {
return nil, err
}
domainName := pollRequest.GetDomain()
domainEntry, err := wh.domainCache.GetDomain(domainName)
if err != nil {
return nil, wh.error(err, scope)
}
domainID := domainEntry.GetInfo().ID
// add domain tag to scope, so further metrics will have the domain tag
scope = scope.Tagged(metrics.DomainTag(domainName))
wh.Service.GetLogger().Debug("Poll for decision.", tag.WorkflowDomainName(domainName), tag.WorkflowDomainID(domainID))
if err := wh.checkBadBinary(domainEntry, pollRequest.GetBinaryChecksum()); err != nil {
return nil, wh.error(err, scope)
}
pollerID := uuid.New()
var matchingResp *m.PollForDecisionTaskResponse
op := func() error {
var err error
matchingResp, err = wh.matching.PollForDecisionTask(ctx, &m.PollForDecisionTaskRequest{
DomainUUID: common.StringPtr(domainID),
PollerID: common.StringPtr(pollerID),
PollRequest: pollRequest,
})
return err
}
err = backoff.Retry(op, frontendServiceRetryPolicy, common.IsServiceTransientError)
if err != nil {
err = wh.cancelOutstandingPoll(ctx, err, domainID, persistence.TaskListTypeDecision, pollRequest.TaskList, pollerID)
if err != nil {
// For all other errors log an error and return it back to client.
ctxTimeout := "not-set"
ctxDeadline, ok := ctx.Deadline()
if ok {
ctxTimeout = ctxDeadline.Sub(callTime).String()
}
wh.Service.GetLogger().Error("PollForDecisionTask failed.",
tag.WorkflowTaskListName(pollRequest.GetTaskList().GetName()),
tag.Value(ctxTimeout),
tag.Error(err))
return nil, wh.error(err, scope)
}
// Must be cancellation error. Does'nt matter what we return here. Client already went away.
return nil, nil
}
eventStoreVersion := matchingResp.GetEventStoreVersion()
resp, err = wh.createPollForDecisionTaskResponse(ctx, scope, domainID, matchingResp, eventStoreVersion, matchingResp.GetBranchToken())
if err != nil {
return nil, wh.error(err, scope)
}
return resp, nil
}
func (wh *WorkflowHandler) checkBadBinary(domainEntry *cache.DomainCacheEntry, binaryChecksum string) error {
if domainEntry.GetConfig().BadBinaries.Binaries != nil {
badBinaries := domainEntry.GetConfig().BadBinaries.Binaries
_, ok := badBinaries[binaryChecksum]
if ok {
return &gen.BadRequestError{
Message: fmt.Sprintf("binary %v already marked as bad deployment", binaryChecksum),
}
}
}
return nil
}
func (wh *WorkflowHandler) cancelOutstandingPoll(ctx context.Context, err error, domainID string, taskListType int32,
taskList *gen.TaskList, pollerID string) error {
// First check if this err is due to context cancellation. This means client connection to frontend is closed.
if ctx.Err() == context.Canceled {
// Our rpc stack does not propagates context cancellation to the other service. Lets make an explicit
// call to matching to notify this poller is gone to prevent any tasks being dispatched to zombie pollers.
err = wh.matching.CancelOutstandingPoll(context.Background(), &m.CancelOutstandingPollRequest{
DomainUUID: common.StringPtr(domainID),
TaskListType: common.Int32Ptr(taskListType),
TaskList: taskList,
PollerID: common.StringPtr(pollerID),
})
// We can not do much if this call fails. Just log the error and move on
if err != nil {
wh.Service.GetLogger().Warn("Failed to cancel outstanding poller.",
tag.WorkflowTaskListName(taskList.GetName()), tag.Error(err))
}
// Clear error as we don't want to report context cancellation error to count against our SLA
return nil
}
return err
}
// RecordActivityTaskHeartbeat - Record Activity Task Heart beat.
func (wh *WorkflowHandler) RecordActivityTaskHeartbeat(
ctx context.Context,
heartbeatRequest *gen.RecordActivityTaskHeartbeatRequest) (resp *gen.RecordActivityTaskHeartbeatResponse, retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
scope, sw := wh.startRequestProfile(metrics.FrontendRecordActivityTaskHeartbeatScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return nil, wh.error(err, scope)
}
if heartbeatRequest == nil {
return nil, wh.error(errRequestNotSet, scope)
}
// Count the request in the RPS, but we still accept it even if RPS is exceeded
wh.rateLimiter.TryConsume(1)
wh.Service.GetLogger().Debug("Received RecordActivityTaskHeartbeat")
if heartbeatRequest.TaskToken == nil {
return nil, wh.error(errTaskTokenNotSet, scope)
}
taskToken, err := wh.tokenSerializer.Deserialize(heartbeatRequest.TaskToken)
if err != nil {
return nil, wh.error(err, scope)
}
if taskToken.DomainID == "" {
return nil, wh.error(errDomainNotSet, scope)
}
domainEntry, err := wh.domainCache.GetDomainByID(taskToken.DomainID)
if err != nil {
return nil, wh.error(err, scope)
}
// add domain tag to scope, so further metrics will have the domain tag
scope = scope.Tagged(metrics.DomainTag(domainEntry.GetInfo().Name))
sizeLimitError := wh.config.BlobSizeLimitError(domainEntry.GetInfo().Name)
sizeLimitWarn := wh.config.BlobSizeLimitWarn(domainEntry.GetInfo().Name)
if err := common.CheckEventBlobSizeLimit(
len(heartbeatRequest.Details),
sizeLimitWarn,
sizeLimitError,
taskToken.DomainID,
taskToken.WorkflowID,
taskToken.RunID,
scope,
wh.GetThrottledLogger(),
); err != nil {
// heartbeat details exceed size limit, we would fail the activity immediately with explicit error reason
failRequest := &gen.RespondActivityTaskFailedRequest{
TaskToken: heartbeatRequest.TaskToken,
Reason: common.StringPtr(common.FailureReasonHeartbeatExceedsLimit),
Details: heartbeatRequest.Details[0:sizeLimitError],
Identity: heartbeatRequest.Identity,
}
err = wh.history.RespondActivityTaskFailed(ctx, &h.RespondActivityTaskFailedRequest{
DomainUUID: common.StringPtr(taskToken.DomainID),
FailedRequest: failRequest,
})
if err != nil {
return nil, wh.error(err, scope)
}
resp = &gen.RecordActivityTaskHeartbeatResponse{CancelRequested: common.BoolPtr(true)}
} else {
resp, err = wh.history.RecordActivityTaskHeartbeat(ctx, &h.RecordActivityTaskHeartbeatRequest{
DomainUUID: common.StringPtr(taskToken.DomainID),
HeartbeatRequest: heartbeatRequest,
})
if err != nil {
return nil, wh.error(err, scope)
}
}
return resp, nil
}
// RecordActivityTaskHeartbeatByID - Record Activity Task Heart beat.
func (wh *WorkflowHandler) RecordActivityTaskHeartbeatByID(
ctx context.Context,
heartbeatRequest *gen.RecordActivityTaskHeartbeatByIDRequest) (resp *gen.RecordActivityTaskHeartbeatResponse, retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
scope, sw := wh.startRequestProfile(metrics.FrontendRecordActivityTaskHeartbeatByIDScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return nil, wh.error(err, scope)
}
if heartbeatRequest == nil {
return nil, wh.error(errRequestNotSet, scope)
}
// Count the request in the RPS, but we still accept it even if RPS is exceeded
wh.rateLimiter.TryConsume(1)
wh.Service.GetLogger().Debug("Received RecordActivityTaskHeartbeatByID")
domainID, err := wh.domainCache.GetDomainID(heartbeatRequest.GetDomain())
if err != nil {
return nil, wh.error(err, scope)
}
workflowID := heartbeatRequest.GetWorkflowID()
runID := heartbeatRequest.GetRunID() // runID is optional so can be empty
activityID := heartbeatRequest.GetActivityID()
if domainID == "" {
return nil, wh.error(errDomainNotSet, scope)
}
if workflowID == "" {
return nil, wh.error(errWorkflowIDNotSet, scope)
}
if activityID == "" {
return nil, wh.error(errActivityIDNotSet, scope)
}
taskToken := &common.TaskToken{
DomainID: domainID,
RunID: runID,
WorkflowID: workflowID,
ScheduleID: common.EmptyEventID,
ActivityID: activityID,
}
token, err := wh.tokenSerializer.Serialize(taskToken)
if err != nil {
return nil, wh.error(err, scope)
}
domainEntry, err := wh.domainCache.GetDomainByID(taskToken.DomainID)
if err != nil {
return nil, wh.error(err, scope)
}
// add domain tag to scope, so further metrics will have the domain tag
scope = scope.Tagged(metrics.DomainTag(domainEntry.GetInfo().Name))
sizeLimitError := wh.config.BlobSizeLimitError(domainEntry.GetInfo().Name)
sizeLimitWarn := wh.config.BlobSizeLimitWarn(domainEntry.GetInfo().Name)
if err := common.CheckEventBlobSizeLimit(
len(heartbeatRequest.Details),
sizeLimitWarn,
sizeLimitError,
taskToken.DomainID,
taskToken.WorkflowID,
taskToken.RunID,
scope,
wh.GetThrottledLogger(),
); err != nil {
// heartbeat details exceed size limit, we would fail the activity immediately with explicit error reason
failRequest := &gen.RespondActivityTaskFailedRequest{
TaskToken: token,
Reason: common.StringPtr(common.FailureReasonHeartbeatExceedsLimit),
Details: heartbeatRequest.Details[0:sizeLimitError],
Identity: heartbeatRequest.Identity,
}
err = wh.history.RespondActivityTaskFailed(ctx, &h.RespondActivityTaskFailedRequest{
DomainUUID: common.StringPtr(taskToken.DomainID),
FailedRequest: failRequest,
})
if err != nil {
return nil, wh.error(err, scope)
}
resp = &gen.RecordActivityTaskHeartbeatResponse{CancelRequested: common.BoolPtr(true)}
} else {
req := &gen.RecordActivityTaskHeartbeatRequest{
TaskToken: token,
Details: heartbeatRequest.Details,
Identity: heartbeatRequest.Identity,
}
resp, err = wh.history.RecordActivityTaskHeartbeat(ctx, &h.RecordActivityTaskHeartbeatRequest{
DomainUUID: common.StringPtr(taskToken.DomainID),
HeartbeatRequest: req,
})
if err != nil {
return nil, wh.error(err, scope)
}
}
return resp, nil
}
// RespondActivityTaskCompleted - response to an activity task
func (wh *WorkflowHandler) RespondActivityTaskCompleted(
ctx context.Context,
completeRequest *gen.RespondActivityTaskCompletedRequest) (retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
scope, sw := wh.startRequestProfile(metrics.FrontendRespondActivityTaskCompletedScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return wh.error(err, scope)
}
if completeRequest == nil {
return wh.error(errRequestNotSet, scope)
}
// Count the request in the RPS, but we still accept it even if RPS is exceeded
wh.rateLimiter.TryConsume(1)
if completeRequest.TaskToken == nil {
return wh.error(errTaskTokenNotSet, scope)
}
taskToken, err := wh.tokenSerializer.Deserialize(completeRequest.TaskToken)
if err != nil {
return wh.error(err, scope)
}
if taskToken.DomainID == "" {
return wh.error(errDomainNotSet, scope)
}
domainEntry, err := wh.domainCache.GetDomainByID(taskToken.DomainID)
if err != nil {
return wh.error(err, scope)
}
if len(completeRequest.GetIdentity()) > wh.config.MaxIDLengthLimit() {
return wh.error(errIdentityTooLong, scope)
}
// add domain tag to scope, so further metrics will have the domain tag
scope = scope.Tagged(metrics.DomainTag(domainEntry.GetInfo().Name))
sizeLimitError := wh.config.BlobSizeLimitError(domainEntry.GetInfo().Name)
sizeLimitWarn := wh.config.BlobSizeLimitWarn(domainEntry.GetInfo().Name)
if err := common.CheckEventBlobSizeLimit(
len(completeRequest.Result),
sizeLimitWarn,
sizeLimitError,
taskToken.DomainID,
taskToken.WorkflowID,
taskToken.RunID,
scope,
wh.GetThrottledLogger(),
); err != nil {
// result exceeds blob size limit, we would record it as failure
failRequest := &gen.RespondActivityTaskFailedRequest{
TaskToken: completeRequest.TaskToken,
Reason: common.StringPtr(common.FailureReasonCompleteResultExceedsLimit),
Details: completeRequest.Result[0:sizeLimitError],
Identity: completeRequest.Identity,
}
err = wh.history.RespondActivityTaskFailed(ctx, &h.RespondActivityTaskFailedRequest{
DomainUUID: common.StringPtr(taskToken.DomainID),
FailedRequest: failRequest,
})
if err != nil {
return wh.error(err, scope)
}
} else {
err = wh.history.RespondActivityTaskCompleted(ctx, &h.RespondActivityTaskCompletedRequest{
DomainUUID: common.StringPtr(taskToken.DomainID),
CompleteRequest: completeRequest,
})
if err != nil {
return wh.error(err, scope)
}
}
return nil
}
// RespondActivityTaskCompletedByID - response to an activity task
func (wh *WorkflowHandler) RespondActivityTaskCompletedByID(
ctx context.Context,
completeRequest *gen.RespondActivityTaskCompletedByIDRequest) (retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
scope, sw := wh.startRequestProfile(metrics.FrontendRespondActivityTaskCompletedByIDScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return wh.error(err, scope)
}
if completeRequest == nil {
return wh.error(errRequestNotSet, scope)
}
// Count the request in the RPS, but we still accept it even if RPS is exceeded
wh.rateLimiter.TryConsume(1)
domainID, err := wh.domainCache.GetDomainID(completeRequest.GetDomain())
if err != nil {
return wh.error(err, scope)
}
workflowID := completeRequest.GetWorkflowID()
runID := completeRequest.GetRunID() // runID is optional so can be empty
activityID := completeRequest.GetActivityID()
if domainID == "" {
return wh.error(errDomainNotSet, scope)
}
if workflowID == "" {
return wh.error(errWorkflowIDNotSet, scope)
}
if activityID == "" {
return wh.error(errActivityIDNotSet, scope)
}
if len(completeRequest.GetIdentity()) > wh.config.MaxIDLengthLimit() {
return wh.error(errIdentityTooLong, scope)
}
taskToken := &common.TaskToken{
DomainID: domainID,
RunID: runID,
WorkflowID: workflowID,
ScheduleID: common.EmptyEventID,
ActivityID: activityID,
}
token, err := wh.tokenSerializer.Serialize(taskToken)
if err != nil {
return wh.error(err, scope)
}
domainEntry, err := wh.domainCache.GetDomainByID(taskToken.DomainID)
if err != nil {
return wh.error(err, scope)
}
// add domain tag to scope, so further metrics will have the domain tag
scope = scope.Tagged(metrics.DomainTag(domainEntry.GetInfo().Name))
sizeLimitError := wh.config.BlobSizeLimitError(domainEntry.GetInfo().Name)
sizeLimitWarn := wh.config.BlobSizeLimitWarn(domainEntry.GetInfo().Name)
if err := common.CheckEventBlobSizeLimit(
len(completeRequest.Result),
sizeLimitWarn,
sizeLimitError,
taskToken.DomainID,
taskToken.WorkflowID,
taskToken.RunID,
scope,
wh.GetThrottledLogger(),
); err != nil {
// result exceeds blob size limit, we would record it as failure
failRequest := &gen.RespondActivityTaskFailedRequest{
TaskToken: token,
Reason: common.StringPtr(common.FailureReasonCompleteResultExceedsLimit),
Details: completeRequest.Result[0:sizeLimitError],
Identity: completeRequest.Identity,
}
err = wh.history.RespondActivityTaskFailed(ctx, &h.RespondActivityTaskFailedRequest{
DomainUUID: common.StringPtr(taskToken.DomainID),
FailedRequest: failRequest,
})
if err != nil {
return wh.error(err, scope)
}
} else {
req := &gen.RespondActivityTaskCompletedRequest{
TaskToken: token,
Result: completeRequest.Result,
Identity: completeRequest.Identity,
}
err = wh.history.RespondActivityTaskCompleted(ctx, &h.RespondActivityTaskCompletedRequest{
DomainUUID: common.StringPtr(taskToken.DomainID),
CompleteRequest: req,
})
if err != nil {
return wh.error(err, scope)
}
}
return nil
}
// RespondActivityTaskFailed - response to an activity task failure
func (wh *WorkflowHandler) RespondActivityTaskFailed(
ctx context.Context,
failedRequest *gen.RespondActivityTaskFailedRequest) (retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
scope, sw := wh.startRequestProfile(metrics.FrontendRespondActivityTaskFailedScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return wh.error(err, scope)
}
if failedRequest == nil {
return wh.error(errRequestNotSet, scope)
}
// Count the request in the RPS, but we still accept it even if RPS is exceeded
wh.rateLimiter.TryConsume(1)
if failedRequest.TaskToken == nil {
return wh.error(errTaskTokenNotSet, scope)
}
taskToken, err := wh.tokenSerializer.Deserialize(failedRequest.TaskToken)
if err != nil {
return wh.error(err, scope)
}
if taskToken.DomainID == "" {
return wh.error(errDomainNotSet, scope)
}
domainEntry, err := wh.domainCache.GetDomainByID(taskToken.DomainID)
if err != nil {
return wh.error(err, scope)
}
// add domain tag to scope, so further metrics will have the domain tag
scope = scope.Tagged(metrics.DomainTag(domainEntry.GetInfo().Name))
if len(failedRequest.GetIdentity()) > wh.config.MaxIDLengthLimit() {
return wh.error(errIdentityTooLong, scope)
}
sizeLimitError := wh.config.BlobSizeLimitError(domainEntry.GetInfo().Name)
sizeLimitWarn := wh.config.BlobSizeLimitWarn(domainEntry.GetInfo().Name)
if err := common.CheckEventBlobSizeLimit(
len(failedRequest.Details),
sizeLimitWarn,
sizeLimitError,
taskToken.DomainID,
taskToken.WorkflowID,
taskToken.RunID,
scope,
wh.GetThrottledLogger(),
); err != nil {
// details exceeds blob size limit, we would truncate the details and put a specific error reason
failedRequest.Reason = common.StringPtr(common.FailureReasonFailureDetailsExceedsLimit)
failedRequest.Details = failedRequest.Details[0:sizeLimitError]
}
err = wh.history.RespondActivityTaskFailed(ctx, &h.RespondActivityTaskFailedRequest{
DomainUUID: common.StringPtr(taskToken.DomainID),
FailedRequest: failedRequest,
})
if err != nil {
return wh.error(err, scope)
}
return nil
}
// RespondActivityTaskFailedByID - response to an activity task failure
func (wh *WorkflowHandler) RespondActivityTaskFailedByID(
ctx context.Context,
failedRequest *gen.RespondActivityTaskFailedByIDRequest) (retError error) {
defer log.CapturePanic(wh.GetLogger(), &retError)
scope, sw := wh.startRequestProfile(metrics.FrontendRespondActivityTaskFailedByIDScope)
defer sw.Stop()
if err := wh.versionChecker.checkClientVersion(ctx); err != nil {
return wh.error(err, scope)
}
if failedRequest == nil {
return wh.error(errRequestNotSet, scope)
}