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chore(workflow-engine-*): cleanup and improvements (#13789)

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**What**
Cleanup recent work on workflows
This commit is contained in:
Adrien de Peretti
2025-10-23 12:50:24 +02:00
committed by GitHub
parent 356dcc94ce
commit d51ae2768b
10 changed files with 344 additions and 310 deletions
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8
.changeset/breezy-beds-invent.md Normal file
View File

@@ -0,0 +1,8 @@
---
"@medusajs/workflow-engine-inmemory": patch
"@medusajs/workflow-engine-redis": patch
"@medusajs/orchestration": patch
"@medusajs/workflows-sdk": patch
---
chore(workflow-engine-\*): cleanup and improvements

193
packages/core/orchestration/src/transaction/distributed-transaction.ts
View File

@@ -55,6 +55,9 @@ const mergeStep = (
}
}
const getErrorSignature = (err: TransactionStepError) =>
`${err.action}:${err.handlerType}:${err.error?.message}`
/**
* @typedef TransactionMetadata
* @property model_id - The id of the model_id that created the transaction (modelId).
@@ -105,7 +108,52 @@ const stateFlowOrder = [
TransactionState.FAILED,
]
const stateFlowOrderMap = new Map<TransactionState, number>(
stateFlowOrder.map((state, index) => [state, index])
)
const finishedStatesSet = new Set([
TransactionState.DONE,
TransactionState.REVERTED,
TransactionState.FAILED,
])
export class TransactionCheckpoint {
static readonly #ALLOWED_STATE_TRANSITIONS = {
[TransactionStepState.DORMANT]: [TransactionStepState.NOT_STARTED],
[TransactionStepState.NOT_STARTED]: [
TransactionStepState.INVOKING,
TransactionStepState.COMPENSATING,
TransactionStepState.FAILED,
TransactionStepState.SKIPPED,
TransactionStepState.SKIPPED_FAILURE,
],
[TransactionStepState.INVOKING]: [
TransactionStepState.FAILED,
TransactionStepState.DONE,
TransactionStepState.TIMEOUT,
TransactionStepState.SKIPPED,
],
[TransactionStepState.COMPENSATING]: [
TransactionStepState.REVERTED,
TransactionStepState.FAILED,
],
[TransactionStepState.DONE]: [TransactionStepState.COMPENSATING],
} as const
static readonly #ALLOWED_STATUS_TRANSITIONS = {
[TransactionStepStatus.WAITING]: [
TransactionStepStatus.OK,
TransactionStepStatus.TEMPORARY_FAILURE,
TransactionStepStatus.PERMANENT_FAILURE,
],
[TransactionStepStatus.TEMPORARY_FAILURE]: [
TransactionStepStatus.IDLE,
TransactionStepStatus.PERMANENT_FAILURE,
],
[TransactionStepStatus.PERMANENT_FAILURE]: [TransactionStepStatus.IDLE],
} as const
constructor(
public flow: TransactionFlow,
public context: TransactionContext,
@@ -165,17 +213,15 @@ export class TransactionCheckpoint {
currentTransactionData.flow[prop] ?? 0
)
} else if (prop === "state") {
const curState = stateFlowOrder.findIndex(
(state) => state === currentTransactionData.flow.state
)
const storedState = stateFlowOrder.findIndex(
(state) => state === storedData.flow.state
)
const currentStateIndex =
stateFlowOrderMap.get(currentTransactionData.flow.state) ?? -1
const storedStateIndex =
stateFlowOrderMap.get(storedData.flow.state) ?? -1
if (storedState > curState) {
if (storedStateIndex > currentStateIndex) {
currentTransactionData.flow.state = storedData.flow.state
} else if (
curState < storedState &&
currentStateIndex < storedStateIndex &&
currentTransactionData.flow.state !==
TransactionState.WAITING_TO_COMPENSATE
) {
@@ -265,43 +311,6 @@ export class TransactionCheckpoint {
status: TransactionStepStatus
}
): boolean {
// Define allowed state transitions
const allowedStateTransitions = {
[TransactionStepState.DORMANT]: [TransactionStepState.NOT_STARTED],
[TransactionStepState.NOT_STARTED]: [
TransactionStepState.INVOKING,
TransactionStepState.COMPENSATING,
TransactionStepState.FAILED,
TransactionStepState.SKIPPED,
TransactionStepState.SKIPPED_FAILURE,
],
[TransactionStepState.INVOKING]: [
TransactionStepState.FAILED,
TransactionStepState.DONE,
TransactionStepState.TIMEOUT,
TransactionStepState.SKIPPED,
],
[TransactionStepState.COMPENSATING]: [
TransactionStepState.REVERTED,
TransactionStepState.FAILED,
],
[TransactionStepState.DONE]: [TransactionStepState.COMPENSATING],
}
// Define allowed status transitions
const allowedStatusTransitions = {
[TransactionStepStatus.WAITING]: [
TransactionStepStatus.OK,
TransactionStepStatus.TEMPORARY_FAILURE,
TransactionStepStatus.PERMANENT_FAILURE,
],
[TransactionStepStatus.TEMPORARY_FAILURE]: [
TransactionStepStatus.IDLE,
TransactionStepStatus.PERMANENT_FAILURE,
],
[TransactionStepStatus.PERMANENT_FAILURE]: [TransactionStepStatus.IDLE],
}
if (
currentStepState.state === storedStepState.state &&
currentStepState.status === storedStepState.status
@@ -311,7 +320,9 @@ export class TransactionCheckpoint {
// Check if state transition from stored to current is allowed
const allowedStatesFromCurrent =
allowedStateTransitions[currentStepState.state] || []
TransactionCheckpoint.#ALLOWED_STATE_TRANSITIONS[
currentStepState.state
] || []
const isStateTransitionValid = allowedStatesFromCurrent.includes(
storedStepState.state
)
@@ -328,7 +339,9 @@ export class TransactionCheckpoint {
// Check if status transition from stored to current is allowed
const allowedStatusesFromCurrent =
allowedStatusTransitions[currentStepState.status] || []
TransactionCheckpoint.#ALLOWED_STATUS_TRANSITIONS[
currentStepState.status
] || []
return allowedStatusesFromCurrent.includes(storedStepState.status)
}
@@ -338,15 +351,13 @@ export class TransactionCheckpoint {
incomingErrors: TransactionStepError[]
): void {
const existingErrorSignatures = new Set(
currentErrors.map(
(err) => `${err.action}:${err.handlerType}:${err.error?.message}`
)
currentErrors.map(getErrorSignature)
)
for (const error of incomingErrors) {
const signature = `${error.action}:${error.handlerType}:${error.error?.message}`
if (!existingErrorSignatures.has(signature)) {
if (!existingErrorSignatures.has(getErrorSignature(error))) {
currentErrors.push(error)
existingErrorSignatures.add(getErrorSignature(error))
}
}
}
@@ -451,11 +462,7 @@ class DistributedTransaction extends EventEmitter {
}
public hasFinished(): boolean {
return [
TransactionState.DONE,
TransactionState.REVERTED,
TransactionState.FAILED,
].includes(this.getState())
return finishedStatesSet.has(this.getState())
}
public getState(): TransactionState {
@@ -520,7 +527,7 @@ class DistributedTransaction extends EventEmitter {
this.transactionId
)
let checkpoint
let checkpoint: TransactionCheckpoint
let retries = 0
let backoffMs = 50
@@ -553,7 +560,7 @@ class DistributedTransaction extends EventEmitter {
await setTimeoutPromise(backoffMs + jitter)
backoffMs = Math.min(backoffMs * 2, 1000)
backoffMs = Math.min(backoffMs * 2, 500)
const lastCheckpoint = await DistributedTransaction.loadTransaction(
this.modelId,
@@ -697,65 +704,45 @@ class DistributedTransaction extends EventEmitter {
* @returns
*/
#serializeCheckpointData() {
const data = new TransactionCheckpoint(
this.getFlow(),
this.getContext(),
this.getErrors()
)
const isSerializable = (obj) => {
try {
JSON.parse(JSON.stringify(obj))
return true
JSON.stringify(this.context)
} catch {
return false
}
}
let rawData
try {
rawData = JSON.parse(JSON.stringify(data))
} catch (e) {
if (!isSerializable(this.context)) {
// This is a safe guard, we should never reach this point
// If we do, it means that the context is not serializable
// and we should throw an error
throw new NonSerializableCheckPointError(
"Unable to serialize context object. Please make sure the workflow input and steps response are serializable."
)
}
if (!isSerializable(this.errors)) {
const nonSerializableErrors: TransactionStepError[] = []
let errorsToUse = this.getErrors()
try {
JSON.stringify(errorsToUse)
} catch {
// Sanitize non-serializable errors
const sanitizedErrors: TransactionStepError[] = []
for (const error of this.errors) {
if (!isSerializable(error.error)) {
error.error = {
name: error.error.name,
message: error.error.message,
stack: error.error.stack,
}
nonSerializableErrors.push({
...error,
error: e,
try {
JSON.stringify(error)
sanitizedErrors.push(error)
} catch {
sanitizedErrors.push({
action: error.action,
handlerType: error.handlerType,
error: {
name: error.error?.name || "Error",
message: error.error?.message || String(error.error),
stack: error.error?.stack,
},
})
}
}
if (nonSerializableErrors.length) {
this.errors.push(...nonSerializableErrors)
}
errorsToUse = sanitizedErrors
this.errors = sanitizedErrors
}
const data = new TransactionCheckpoint(
this.getFlow(),
return new TransactionCheckpoint(
JSON.parse(JSON.stringify(this.getFlow())),
this.getContext(),
this.getErrors()
[...errorsToUse]
)
rawData = JSON.parse(JSON.stringify(data))
}
return rawData
}
}

122
packages/core/orchestration/src/transaction/transaction-orchestrator.ts
View File

@@ -40,6 +40,33 @@ import {
TransactionTimeoutError,
} from "./errors"
const canMoveForwardStates = new Set([
TransactionStepState.DONE,
TransactionStepState.FAILED,
TransactionStepState.TIMEOUT,
TransactionStepState.SKIPPED,
TransactionStepState.SKIPPED_FAILURE,
])
const canMoveBackwardStates = new Set([
TransactionStepState.DONE,
TransactionStepState.REVERTED,
TransactionStepState.FAILED,
TransactionStepState.DORMANT,
TransactionStepState.SKIPPED,
])
const flagStepsToRevertStates = new Set([
TransactionStepState.DONE,
TransactionStepState.TIMEOUT,
])
const setStepTimeoutSkipStates = new Set([
TransactionStepState.TIMEOUT,
TransactionStepState.DONE,
TransactionStepState.REVERTED,
])
/**
* @class TransactionOrchestrator is responsible for managing and executing distributed transactions.
* It is based on a single transaction definition, which is used to execute all the transaction steps
@@ -184,14 +211,6 @@ export class TransactionOrchestrator extends EventEmitter {
}
private canMoveForward(flow: TransactionFlow, previousStep: TransactionStep) {
const states = [
TransactionStepState.DONE,
TransactionStepState.FAILED,
TransactionStepState.TIMEOUT,
TransactionStepState.SKIPPED,
TransactionStepState.SKIPPED_FAILURE,
]
const siblings = TransactionOrchestrator.getPreviousStep(
flow,
previousStep
@@ -199,23 +218,15 @@ export class TransactionOrchestrator extends EventEmitter {
return (
!!previousStep.definition.noWait ||
siblings.every((sib) => states.includes(sib.invoke.state))
siblings.every((sib) => canMoveForwardStates.has(sib.invoke.state))
)
}
private canMoveBackward(flow: TransactionFlow, step: TransactionStep) {
const states = [
TransactionStepState.DONE,
TransactionStepState.REVERTED,
TransactionStepState.FAILED,
TransactionStepState.DORMANT,
TransactionStepState.SKIPPED,
]
const siblings = step.next.map((sib) => flow.steps[sib])
return (
siblings.length === 0 ||
siblings.every((sib) => states.includes(sib.compensate.state))
siblings.every((sib) => canMoveBackwardStates.has(sib.compensate.state))
)
}
@@ -521,9 +532,7 @@ export class TransactionOrchestrator extends EventEmitter {
}
if (
[TransactionStepState.DONE, TransactionStepState.TIMEOUT].includes(
curState.state
) ||
flagStepsToRevertStates.has(curState.state) ||
curState.status === TransactionStepStatus.PERMANENT_FAILURE
) {
stepDef.beginCompensation()
@@ -707,13 +716,7 @@ export class TransactionOrchestrator extends EventEmitter {
step: TransactionStep,
error: TransactionStepTimeoutError | TransactionTimeoutError
): Promise<void> {
if (
[
TransactionStepState.TIMEOUT,
TransactionStepState.DONE,
TransactionStepState.REVERTED,
].includes(step.getStates().state)
) {
if (setStepTimeoutSkipStates.has(step.getStates().state)) {
return
}
@@ -773,13 +776,10 @@ export class TransactionOrchestrator extends EventEmitter {
error = serializeError(error)
} else {
try {
if (error?.message) {
error = JSON.parse(JSON.stringify(error))
} else {
error = {
message: JSON.stringify(error),
}
}
const serialized = JSON.stringify(error)
error = error?.message
? JSON.parse(serialized)
: { message: serialized }
} catch (e) {
error = {
message: "Unknown non-serializable error",
@@ -953,6 +953,18 @@ export class TransactionOrchestrator extends EventEmitter {
return shouldContinueExecution
})
let asyncStepCount = 0
for (const s of nextSteps.next) {
const stepIsAsync = s.isCompensating()
? s.definition.compensateAsync
: s.definition.async
if (stepIsAsync) asyncStepCount++
}
const hasMultipleAsyncSteps = asyncStepCount > 1
const hasAsyncSteps = !!asyncStepCount
// If there is any async step, we don't need to save the checkpoint here as it will be saved
// later down there
await transaction.saveCheckpoint().catch((error) => {
if (TransactionOrchestrator.isExpectedError(error)) {
continueExecution = false
@@ -962,11 +974,15 @@ export class TransactionOrchestrator extends EventEmitter {
throw error
})
if (!continueExecution) {
break
}
const execution: Promise<void | unknown>[] = []
const executionAsync: (() => Promise<void | unknown>)[] = []
let i = 0
let hasAsyncSteps = false
for (const step of nextSteps.next) {
const stepIndex = i++
if (!stepsShouldContinueExecution[stepIndex]) {
@@ -988,21 +1004,9 @@ export class TransactionOrchestrator extends EventEmitter {
// Compute current transaction state
await this.computeCurrentTransactionState(transaction)
if (!continueExecution) {
break
}
const promise = this.createStepExecutionPromise(transaction, step)
const hasMultipleAsyncSteps =
nextSteps.next.filter((step) => {
const isAsync = step.isCompensating()
? step.definition.compensateAsync
: step.definition.async
return isAsync
}).length > 1
const hasVersionControl =
hasMultipleAsyncSteps || step.hasAwaitingRetry()
@@ -1017,7 +1021,6 @@ export class TransactionOrchestrator extends EventEmitter {
)
} else {
// Execute async step in background as part of the next event loop cycle and continue the execution of the transaction
hasAsyncSteps = true
executionAsync.push(() =>
this.executeAsyncStep(promise, transaction, step, nextSteps)
)
@@ -1105,12 +1108,9 @@ export class TransactionOrchestrator extends EventEmitter {
private createStepPayload(
transaction: DistributedTransactionType,
step: TransactionStep,
flow: TransactionFlow
flow: TransactionFlow,
type: TransactionHandlerType
): TransactionPayload {
const type = step.isCompensating()
? TransactionHandlerType.COMPENSATE
: TransactionHandlerType.INVOKE
return new TransactionPayload(
{
model_id: flow.modelId,
@@ -1136,13 +1136,9 @@ export class TransactionOrchestrator extends EventEmitter {
private prepareHandlerArgs(
transaction: DistributedTransactionType,
step: TransactionStep,
flow: TransactionFlow,
payload: TransactionPayload
payload: TransactionPayload,
type: TransactionHandlerType
): Parameters<TransactionStepHandler> {
const type = step.isCompensating()
? TransactionHandlerType.COMPENSATE
: TransactionHandlerType.INVOKE
return [
step.definition.action + "",
type,
@@ -1164,11 +1160,13 @@ export class TransactionOrchestrator extends EventEmitter {
? TransactionHandlerType.COMPENSATE
: TransactionHandlerType.INVOKE
const flow = transaction.getFlow()
const payload = this.createStepPayload(transaction, step, flow, type)
const handlerArgs = this.prepareHandlerArgs(
transaction,
step,
transaction.getFlow(),
this.createStepPayload(transaction, step, transaction.getFlow())
payload,
type
)
const traceData = {

41
packages/core/utils/src/common/parse-stringify-if-necessary.ts
View File

@@ -1,18 +1,49 @@
import { isDefined } from "./is-defined"
/**
* Only apply JSON.parse JSON.stringify when we have objects, arrays, dates, etc..
* Creates a deep copy of the input, ensuring it's JSON-serializable.
* - Breaks all reference sharing (creates new objects/arrays)
* - Removes non-serializable values (functions, symbols, undefined properties)
* - Normalizes special types (Date -> string)
* - Only stringifies special objects, not entire tree (optimization)
* @param result
* @returns
* @returns A deep copy with no shared references, guaranteed to be JSON-serializable
*/
export function parseStringifyIfNecessary(result: unknown) {
if (typeof result == null || typeof result !== "object") {
export function parseStringifyIfNecessary(result: unknown): any {
if (result == null || typeof result !== "object") {
return result
}
if (Array.isArray(result)) {
return result.map((item) => parseStringifyIfNecessary(item))
}
const isPlainObject =
result.constructor === Object || result.constructor === undefined
if (!isPlainObject) {
const strResult = JSON.stringify(result)
if (isDefined(strResult)) {
return JSON.parse(strResult)
}
return result
return undefined
}
const copy: any = {}
for (const key in result) {
if (result.hasOwnProperty(key)) {
const value = (result as any)[key]
if (typeof value === "function" || typeof value === "symbol") {
continue
}
const copiedValue = parseStringifyIfNecessary(value)
if (copiedValue !== undefined) {
copy[key] = copiedValue
}
}
}
return copy
}

2
packages/core/workflows-sdk/package.json
View File

@@ -49,7 +49,7 @@
"scripts": {
"build": "rimraf dist && tsc --build",
"watch": "tsc --build --watch",
"test": "jest --bail --forceExit",
"test": "jest --bail --forceExit -- src/**/__tests__/**/*.spec.ts",
"test:run": "node ./dist/utils/_playground.js"
}
}

0
packages/core/workflows-sdk/src/utils/composer/__tests__/compose.ts → packages/core/workflows-sdk/src/utils/composer/__tests__/compose.spec.ts
View File

14
packages/core/workflows-sdk/src/utils/composer/helpers/resolve-value.ts
View File

@@ -1,5 +1,4 @@
import {
deepCopy,
isObject,
OrchestrationUtils,
parseStringifyIfNecessary,
@@ -10,10 +9,10 @@ import * as util from "node:util"
type InputPrimitive = string | Symbol
type InputObject = object & { __type?: string | Symbol; output?: any }
function resolveProperty(property, transactionContext) {
function resolveProperty(property: any, transactionContext: any) {
const { invoke: invokeRes } = transactionContext
let res
let res: any
if (property.__type === OrchestrationUtils.SymbolInputReference) {
res = transactionContext.payload
@@ -132,7 +131,7 @@ function unwrapInput({
if (result != null && typeof result === "object") {
const unwrapped = unwrapInput({
inputTOUnwrap: result,
parentRef: parentRef[key] || {},
parentRef: {},
transactionContext,
})
if (unwrapped instanceof Promise) {
@@ -161,7 +160,7 @@ function unwrapInput({
if (resolved != null && typeof resolved === "object") {
const unwrapped = unwrapInput({
inputTOUnwrap: resolved,
parentRef: parentRef[key] || {},
parentRef: {},
transactionContext,
})
if (unwrapped instanceof Promise) {
@@ -184,18 +183,17 @@ function unwrapInput({
export function resolveValue(
input: InputPrimitive | InputObject | unknown | undefined,
transactionContext
transactionContext: any
): Promise<any> | any {
if (input == null || typeof input !== "object") {
return input
}
const input_ = deepCopy(
const input_ =
(input as InputObject)?.__type ===
OrchestrationUtils.SymbolWorkflowWorkflowData
? (input as InputObject).output
: input
)
let result: any

2
packages/modules/workflow-engine-inmemory/integration-tests/__tests__/index.spec.ts
View File

@@ -1102,7 +1102,7 @@ moduleIntegrationTestRunner<IWorkflowEngineService>({
expect(executionsListAfter).toHaveLength(1)
})
it("should display error when multple async steps are running in parallel", async () => {
it("should display error when multiple async steps are running in parallel", async () => {
let errors: Error[] = []
const onFinishPromise = new Promise<void>((resolve) => {
void workflowOrcModule.subscribe({

79
packages/modules/workflow-engine-inmemory/src/utils/workflow-orchestrator-storage.ts
View File

@@ -31,22 +31,25 @@ import { WorkflowExecution } from "../models/workflow-execution"
const THIRTY_MINUTES_IN_MS = 1000 * 60 * 30
const doneStates = [
const doneStates = new Set([
TransactionStepState.DONE,
TransactionStepState.REVERTED,
TransactionStepState.FAILED,
TransactionStepState.SKIPPED,
TransactionStepState.SKIPPED_FAILURE,
TransactionStepState.TIMEOUT,
]
])
const finishedStates = [
const finishedStates = new Set([
TransactionState.DONE,
TransactionState.FAILED,
TransactionState.REVERTED,
]
])
const failedStates = [TransactionState.FAILED, TransactionState.REVERTED]
const failedStates = new Set([
TransactionState.FAILED,
TransactionState.REVERTED,
])
function calculateDelayFromExpression(expression: CronExpression): number {
const nextTime = expression.next().getTime()
@@ -179,7 +182,7 @@ export class InMemoryDistributedTransactionStorage
private async saveToDb(data: TransactionCheckpoint, retentionTime?: number) {
const isNotStarted = data.flow.state === TransactionState.NOT_STARTED
const asyncVersion = data.flow._v
const isFinished = finishedStates.includes(data.flow.state)
const isFinished = finishedStates.has(data.flow.state)
const isWaitingToCompensate =
data.flow.state === TransactionState.WAITING_TO_COMPENSATE
@@ -187,16 +190,16 @@ export class InMemoryDistributedTransactionStorage
const stepsArray = Object.values(data.flow.steps) as TransactionStep[]
let currentStep!: TransactionStep
let currentStepsIsAsync = false
const targetStates = isFlowInvoking
? [
? new Set([
TransactionStepState.INVOKING,
TransactionStepState.DONE,
TransactionStepState.FAILED,
]
: [TransactionStepState.COMPENSATING]
])
: new Set([TransactionStepState.COMPENSATING])
// Find the current step from the end
for (let i = stepsArray.length - 1; i >= 0; i--) {
const step = stepsArray[i]
@@ -204,20 +207,29 @@ export class InMemoryDistributedTransactionStorage
break
}
const isTargetState = targetStates.includes(step.invoke?.state)
const isTargetState = targetStates.has(step.invoke?.state)
if (isTargetState) {
if (isTargetState && !currentStep) {
currentStep = step
break
}
}
const currentStepsIsAsync = currentStep
? stepsArray.some(
(step) =>
step?.definition?.async === true && step.depth === currentStep.depth
)
: false
if (currentStep) {
for (const step of stepsArray) {
if (step.id === "_root") {
continue
}
if (
step.depth === currentStep.depth &&
step?.definition?.async === true
) {
currentStepsIsAsync = true
break
}
}
}
if (
!(isNotStarted || isFinished || isWaitingToCompensate) &&
@@ -284,7 +296,7 @@ export class InMemoryDistributedTransactionStorage
const execution = trx.execution as TransactionFlow
if (!idempotent) {
const isFailedOrReverted = failedStates.includes(execution.state)
const isFailedOrReverted = failedStates.has(execution.state)
const isDone = execution.state === TransactionState.DONE
@@ -331,21 +343,12 @@ export class InMemoryDistributedTransactionStorage
*/
const { retentionTime } = options ?? {}
const hasFinished = finishedStates.includes(data.flow.state)
let cachedCheckpoint: TransactionCheckpoint | undefined
const getCheckpoint = async (options?: TransactionOptions) => {
if (!cachedCheckpoint) {
cachedCheckpoint = await this.get(key, options)
}
return cachedCheckpoint
}
const hasFinished = finishedStates.has(data.flow.state)
await this.#preventRaceConditionExecutionIfNecessary({
data,
key,
options,
getCheckpoint,
})
// Only store retention time if it's provided
@@ -377,12 +380,12 @@ export class InMemoryDistributedTransactionStorage
TransactionCheckpoint.mergeCheckpoints(data, storedData)
}
const { flow, errors } = data
const { flow, context, errors } = data
this.storage[key] = {
flow,
context: {} as TransactionContext,
errors,
flow: JSON.parse(JSON.stringify(flow)),
context: JSON.parse(JSON.stringify(context)),
errors: [...errors],
} as TransactionCheckpoint
// Optimize DB operations - only perform when necessary
@@ -412,14 +415,10 @@ export class InMemoryDistributedTransactionStorage
data,
key,
options,
getCheckpoint,
}: {
data: TransactionCheckpoint
key: string
options?: TransactionOptions
getCheckpoint: (
options: TransactionOptions
) => Promise<TransactionCheckpoint | undefined>
}) {
const isInitialCheckpoint = [TransactionState.NOT_STARTED].includes(
data.flow.state
@@ -441,7 +440,7 @@ export class InMemoryDistributedTransactionStorage
} as Parameters<typeof this.get>[1]
data_ =
(await getCheckpoint(getOptions as TransactionOptions)) ??
(await this.get(key, getOptions as TransactionOptions)) ??
({ flow: {} } as TransactionCheckpoint)
}
@@ -457,7 +456,7 @@ export class InMemoryDistributedTransactionStorage
? latestStep.compensate?.state
: latestStep.invoke?.state
const shouldSkip = doneStates.includes(latestState)
const shouldSkip = doneStates.has(latestState)
if (shouldSkip) {
throw new SkipStepAlreadyFinishedError(
@@ -750,7 +749,7 @@ export class InMemoryDistributedTransactionStorage
},
updated_at: {
$lte: raw(
(alias) =>
(_alias) =>
`CURRENT_TIMESTAMP - (INTERVAL '1 second' * "retention_time")`
),
},

117
packages/modules/workflow-engine-redis/src/utils/workflow-orchestrator-storage.ts
View File

@@ -37,22 +37,25 @@ enum JobType {
const THIRTY_MINUTES_IN_MS = 1000 * 60 * 30
const REPEATABLE_CLEARER_JOB_ID = "clear-expired-executions"
const doneStates = [
const doneStates = new Set([
TransactionStepState.DONE,
TransactionStepState.REVERTED,
TransactionStepState.FAILED,
TransactionStepState.SKIPPED,
TransactionStepState.SKIPPED_FAILURE,
TransactionStepState.TIMEOUT,
]
])
const finishedStates = [
const finishedStates = new Set([
TransactionState.DONE,
TransactionState.FAILED,
TransactionState.REVERTED,
]
])
const failedStates = [TransactionState.FAILED, TransactionState.REVERTED]
const failedStates = new Set([
TransactionState.FAILED,
TransactionState.REVERTED,
])
export class RedisDistributedTransactionStorage
implements IDistributedTransactionStorage, IDistributedSchedulerStorage
{
@@ -280,7 +283,7 @@ export class RedisDistributedTransactionStorage
const isNotStarted = data.flow.state === TransactionState.NOT_STARTED
const asyncVersion = data.flow._v
const isFinished = finishedStates.includes(data.flow.state)
const isFinished = finishedStates.has(data.flow.state)
const isWaitingToCompensate =
data.flow.state === TransactionState.WAITING_TO_COMPENSATE
@@ -288,16 +291,16 @@ export class RedisDistributedTransactionStorage
const stepsArray = Object.values(data.flow.steps) as TransactionStep[]
let currentStep!: TransactionStep
let currentStepsIsAsync = false
const targetStates = isFlowInvoking
? [
? new Set([
TransactionStepState.INVOKING,
TransactionStepState.DONE,
TransactionStepState.FAILED,
]
: [TransactionStepState.COMPENSATING]
])
: new Set([TransactionStepState.COMPENSATING])
// Find the current step from the end
for (let i = stepsArray.length - 1; i >= 0; i--) {
const step = stepsArray[i]
@@ -305,20 +308,29 @@ export class RedisDistributedTransactionStorage
break
}
const isTargetState = targetStates.includes(step.invoke?.state)
const isTargetState = targetStates.has(step.invoke?.state)
if (isTargetState) {
if (isTargetState && !currentStep) {
currentStep = step
break
}
}
const currentStepsIsAsync = currentStep
? stepsArray.some(
(step) =>
step?.definition?.async === true && step.depth === currentStep.depth
)
: false
if (currentStep) {
for (const step of stepsArray) {
if (step.id === "_root") {
continue
}
if (
step.depth === currentStep.depth &&
step?.definition?.async === true
) {
currentStepsIsAsync = true
break
}
}
}
if (
!(isNotStarted || isFinished || isWaitingToCompensate) &&
@@ -395,10 +407,15 @@ export class RedisDistributedTransactionStorage
async get(
key: string,
options?: TransactionOptions & { isCancelling?: boolean }
options?: TransactionOptions & {
isCancelling?: boolean
_cachedRawData?: string | null
}
): Promise<TransactionCheckpoint | undefined> {
const [_, workflowId, transactionId] = key.split(":")
const trx = await this.workflowExecutionService_
const [trx, rawData] = await promiseAll([
this.workflowExecutionService_
.list(
{
workflow_id: workflowId,
@@ -413,11 +430,13 @@ export class RedisDistributedTransactionStorage
}
)
.then((trx) => trx[0])
.catch(() => undefined)
.catch(() => undefined),
options?._cachedRawData !== undefined
? Promise.resolve(options._cachedRawData)
: this.redisClient.get(key),
])
if (trx) {
const rawData = await this.redisClient.get(key)
let flow!: TransactionFlow, errors!: TransactionStepError[]
if (rawData) {
const data = JSON.parse(rawData)
@@ -429,7 +448,7 @@ export class RedisDistributedTransactionStorage
const execution = trx.execution as TransactionFlow
if (!idempotent) {
const isFailedOrReverted = failedStates.includes(execution.state)
const isFailedOrReverted = failedStates.has(execution.state)
const isDone = execution.state === TransactionState.DONE
@@ -470,6 +489,8 @@ export class RedisDistributedTransactionStorage
let lockAcquired = false
let storedData: TransactionCheckpoint | undefined
if (data.flow._v) {
lockAcquired = await this.#acquireLock(key)
@@ -477,7 +498,7 @@ export class RedisDistributedTransactionStorage
throw new Error("Lock not acquired")
}
const storedData = await this.get(key, {
storedData = await this.get(key, {
isCancelling: !!data.flow.cancelledAt,
} as any)
@@ -485,21 +506,13 @@ export class RedisDistributedTransactionStorage
}
try {
const hasFinished = finishedStates.includes(data.flow.state)
let cachedCheckpoint: TransactionCheckpoint | undefined
const getCheckpoint = async (options?: TransactionOptions) => {
if (!cachedCheckpoint) {
cachedCheckpoint = await this.get(key, options)
}
return cachedCheckpoint
}
const hasFinished = finishedStates.has(data.flow.state)
await this.#preventRaceConditionExecutionIfNecessary({
data: data,
key,
options,
getCheckpoint,
storedData,
})
// Only set if not exists
@@ -514,11 +527,10 @@ export class RedisDistributedTransactionStorage
}
const execPipeline = () => {
const lightData_ = {
const stringifiedData = JSON.stringify({
errors: data.errors,
flow: data.flow,
}
const stringifiedData = JSON.stringify(lightData_)
})
const pipeline = this.redisClient.pipeline()
@@ -558,17 +570,15 @@ export class RedisDistributedTransactionStorage
})
}
// Parallelize DB and Redis operations for better performance
if (hasFinished && !retentionTime) {
if (!data.flow.metadata?.parentStepIdempotencyKey) {
await this.deleteFromDb(data)
await execPipeline()
await promiseAll([this.deleteFromDb(data), execPipeline()])
} else {
await this.saveToDb(data, retentionTime)
await execPipeline()
await promiseAll([this.saveToDb(data, retentionTime), execPipeline()])
}
} else {
await this.saveToDb(data, retentionTime)
await execPipeline()
await promiseAll([this.saveToDb(data, retentionTime), execPipeline()])
}
return data as TransactionCheckpoint
@@ -801,14 +811,12 @@ export class RedisDistributedTransactionStorage
data,
key,
options,
getCheckpoint,
storedData,
}: {
data: TransactionCheckpoint
key: string
options?: TransactionOptions
getCheckpoint: (
options: TransactionOptions
) => Promise<TransactionCheckpoint | undefined>
storedData?: TransactionCheckpoint
}) {
const isInitialCheckpoint = [TransactionState.NOT_STARTED].includes(
data.flow.state
@@ -819,20 +827,25 @@ export class RedisDistributedTransactionStorage
*/
const currentFlow = data.flow
let data_ = storedData ?? ({} as TransactionCheckpoint)
if (!storedData) {
const rawData = await this.redisClient.get(key)
let data_ = {} as TransactionCheckpoint
if (rawData) {
data_ = JSON.parse(rawData)
} else {
// Pass cached raw data to avoid redundant Redis fetch
const getOptions = {
...options,
isCancelling: !!data.flow.cancelledAt,
_cachedRawData: rawData,
} as Parameters<typeof this.get>[1]
data_ =
(await getCheckpoint(getOptions as TransactionOptions)) ??
(await this.get(key, getOptions as TransactionOptions)) ??
({ flow: {} } as TransactionCheckpoint)
}
}
const { flow: latestUpdatedFlow } = data_
if (options?.stepId) {
@@ -846,7 +859,7 @@ export class RedisDistributedTransactionStorage
? latestStep.compensate?.state
: latestStep.invoke?.state
const shouldSkip = doneStates.includes(latestState)
const shouldSkip = doneStates.has(latestState)
if (shouldSkip) {
throw new SkipStepAlreadyFinishedError(
@@ -891,7 +904,7 @@ export class RedisDistributedTransactionStorage
},
updated_at: {
$lte: raw(
(alias) =>
(_alias) =>
`CURRENT_TIMESTAMP - (INTERVAL '1 second' * "retention_time")`
),
},