2024-05-29 11:51:04 -04:00

428 lines
15 KiB
JavaScript

import _ from 'lodash'
import resolveLambdaTarget from '../../../utils/resolve-lambda-target.js'
import ServerlessError from '../../../../../serverless-error.js'
class AwsCompileStreamEvents {
constructor(serverless) {
this.serverless = serverless
this.provider = this.serverless.getProvider('aws')
this.hooks = {
initialize: () => {
if (
Object.values(this.serverless.service.functions).some(({ events }) =>
events.some(({ stream: eventObject }) => {
const consumer = eventObject && eventObject.consumer
const usesServiceSpecificNamingMode =
this.serverless.service.provider.kinesis &&
this.serverless.service.provider.kinesis.consumerNamingMode &&
_.get(
this.serverless,
'service.provider.kinesis.consumerNamingMode',
) === 'serviceSpecific'
return consumer && !usesServiceSpecificNamingMode
}),
)
) {
this.serverless._logDeprecation(
'KINESIS_CONSUMER_NAME_CONTAINING_SERVICE',
'Starting with v4.0.0 Kinesis streams naming scheme will change. Adapt to new schema by setting`provider.kinesis.consumerNamingMode` property to `serviceSpecific`.',
)
}
},
'package:compileEvents': async () => this.compileStreamEvents(),
}
this.serverless.configSchemaHandler.defineFunctionEvent('aws', 'stream', {
anyOf: [
{ $ref: '#/definitions/awsArnString' },
{
type: 'object',
properties: {
// arn constraints are listed in oneOf property of this schema
arn: {},
type: { enum: ['dynamodb', 'kinesis'] },
batchSize: { type: 'integer', minimum: 1, maximum: 10000 },
parallelizationFactor: { type: 'integer', minimum: 1, maximum: 10 },
startingPosition: {
enum: ['LATEST', 'TRIM_HORIZON', 'AT_TIMESTAMP'],
},
startingPositionTimestamp: { type: 'number' },
enabled: { type: 'boolean' },
consumer: {
anyOf: [{ const: true }, { $ref: '#/definitions/awsArn' }],
},
batchWindow: { type: 'integer', minimum: 0, maximum: 300 },
maximumRetryAttempts: {
type: 'integer',
minimum: -1,
maximum: 10000,
},
bisectBatchOnFunctionError: { type: 'boolean' },
maximumRecordAgeInSeconds: {
anyOf: [
{ const: -1 },
{ type: 'integer', minimum: 60, maximum: 604800 },
],
},
functionResponseType: { enum: ['ReportBatchItemFailures'] },
destinations: {
type: 'object',
properties: {
onFailure: {
anyOf: [
{ $ref: '#/definitions/awsArnString' },
{
type: 'object',
properties: {
// arn constraints are listed in oneOf property of this schema
arn: {},
type: { enum: ['sns', 'sqs'] },
},
additionalProperties: false,
anyOf: [
{
properties: {
arn: { $ref: '#/definitions/awsCfFunction' },
},
required: ['arn', 'type'],
},
{
properties: {
arn: { $ref: '#/definitions/awsArnString' },
},
required: ['arn'],
},
],
},
],
},
},
additionalProperties: false,
required: ['onFailure'],
},
tumblingWindowInSeconds: {
type: 'integer',
minimum: 0,
maximum: 900,
},
filterPatterns: { $ref: '#/definitions/filterPatterns' },
},
additionalProperties: false,
anyOf: [
{
properties: {
arn: { $ref: '#/definitions/awsCfFunction' },
},
required: ['arn', 'type'],
},
{
properties: {
arn: { $ref: '#/definitions/awsArnString' },
},
required: ['arn'],
},
],
},
],
})
}
compileStreamEvents() {
this.serverless.service.getAllFunctions().forEach((functionName) => {
const functionObj = this.serverless.service.getFunction(functionName)
if (functionObj.events) {
const dynamodbStreamStatement = {
Effect: 'Allow',
Action: [
'dynamodb:GetRecords',
'dynamodb:GetShardIterator',
'dynamodb:DescribeStream',
'dynamodb:ListStreams',
],
Resource: [],
}
const kinesisStreamStatement = {
Effect: 'Allow',
Action: [
'kinesis:GetRecords',
'kinesis:GetShardIterator',
'kinesis:DescribeStream',
'kinesis:ListStreams',
],
Resource: [],
}
const kinesisStreamWithConsumerStatement = {
Effect: 'Allow',
Action: [
'kinesis:GetRecords',
'kinesis:GetShardIterator',
'kinesis:DescribeStreamSummary',
'kinesis:ListShards',
],
Resource: [],
}
const kinesisConsumerStatement = {
Effect: 'Allow',
Action: ['kinesis:SubscribeToShard'],
Resource: [],
}
const onFailureSnsStatement = {
Effect: 'Allow',
Action: ['sns:Publish'],
Resource: [],
}
const onFailureSqsStatement = {
Effect: 'Allow',
Action: ['sqs:ListQueues', 'sqs:SendMessage'],
Resource: [],
}
functionObj.events.forEach((event) => {
if (event.stream) {
let EventSourceArn
let BatchSize = 10
let ParallelizationFactor
let StartingPosition = 'TRIM_HORIZON'
let Enabled = true
if (typeof event.stream === 'object') {
EventSourceArn = event.stream.arn
BatchSize = event.stream.batchSize || BatchSize
if (event.stream.parallelizationFactor) {
ParallelizationFactor = event.stream.parallelizationFactor
}
StartingPosition =
event.stream.startingPosition || StartingPosition
if (typeof event.stream.enabled !== 'undefined') {
Enabled = event.stream.enabled
}
} else {
EventSourceArn = event.stream
}
const streamType = event.stream.type || EventSourceArn.split(':')[2]
const streamName = (function () {
if (EventSourceArn['Fn::GetAtt']) {
return EventSourceArn['Fn::GetAtt'][0]
} else if (EventSourceArn['Fn::ImportValue']) {
return EventSourceArn['Fn::ImportValue']
} else if (EventSourceArn.Ref) {
return EventSourceArn.Ref
} else if (EventSourceArn['Fn::Join']) {
// [0] is the used delimiter, [1] is the array with values
const name = EventSourceArn['Fn::Join'][1].slice(-1).pop()
if (name.split('/').length) {
return name.split('/').pop()
}
return name
}
return EventSourceArn.split('/')[1]
})()
const streamLogicalId = this.provider.naming.getStreamLogicalId(
functionName,
streamType,
streamName,
)
const dependsOn = []
const functionIamRoleResourceName =
this.provider.resolveFunctionIamRoleResourceName(functionObj)
if (functionIamRoleResourceName) {
dependsOn.push(functionIamRoleResourceName)
}
const { targetAlias } =
this.serverless.service.functions[functionName]
if (targetAlias) {
dependsOn.push(targetAlias.logicalId)
}
const streamResource = {
Type: 'AWS::Lambda::EventSourceMapping',
DependsOn: dependsOn,
Properties: {
BatchSize,
Enabled,
EventSourceArn,
FunctionName: resolveLambdaTarget(functionName, functionObj),
ParallelizationFactor,
StartingPosition,
},
}
// add event source ARNs to PolicyDocument statements
if (streamType === 'dynamodb') {
dynamodbStreamStatement.Resource.push(EventSourceArn)
} else if (event.stream.consumer) {
kinesisStreamWithConsumerStatement.Resource.push(EventSourceArn)
} else {
kinesisStreamStatement.Resource.push(EventSourceArn)
}
if (event.stream.batchWindow != null) {
streamResource.Properties.MaximumBatchingWindowInSeconds =
event.stream.batchWindow
}
if (event.stream.maximumRetryAttempts != null) {
streamResource.Properties.MaximumRetryAttempts =
event.stream.maximumRetryAttempts
}
if (event.stream.bisectBatchOnFunctionError != null) {
streamResource.Properties.BisectBatchOnFunctionError =
event.stream.bisectBatchOnFunctionError
}
if (event.stream.functionResponseType != null) {
streamResource.Properties.FunctionResponseTypes = [
event.stream.functionResponseType,
]
}
if (event.stream.maximumRecordAgeInSeconds) {
streamResource.Properties.MaximumRecordAgeInSeconds =
event.stream.maximumRecordAgeInSeconds
}
if (event.stream.tumblingWindowInSeconds != null) {
streamResource.Properties.TumblingWindowInSeconds =
event.stream.tumblingWindowInSeconds
}
if (event.stream.destinations) {
let OnFailureDestinationArn
if (typeof event.stream.destinations.onFailure === 'object') {
OnFailureDestinationArn =
event.stream.destinations.onFailure.arn
} else {
OnFailureDestinationArn = event.stream.destinations.onFailure
}
const destinationType =
event.stream.destinations.onFailure.type ||
OnFailureDestinationArn.split(':')[2]
// add on failure destination ARNs to PolicyDocument statements
if (destinationType === 'sns') {
onFailureSnsStatement.Resource.push(OnFailureDestinationArn)
} else {
onFailureSqsStatement.Resource.push(OnFailureDestinationArn)
}
streamResource.Properties.DestinationConfig = {
OnFailure: {
Destination: OnFailureDestinationArn,
},
}
}
if (event.stream.filterPatterns) {
streamResource.Properties.FilterCriteria = {
Filters: event.stream.filterPatterns.map((pattern) => ({
Pattern: JSON.stringify(pattern),
})),
}
}
const newStreamObject = {
[streamLogicalId]: streamResource,
}
if (event.stream.consumer && streamType === 'kinesis') {
if (event.stream.consumer === true) {
const consumerName = this.provider.naming.getStreamConsumerName(
functionName,
streamName,
)
const consumerResource = {
Type: 'AWS::Kinesis::StreamConsumer',
Properties: {
StreamARN: EventSourceArn,
ConsumerName: consumerName,
},
}
const consumerLogicalId =
this.provider.naming.getStreamConsumerLogicalId(consumerName)
newStreamObject[consumerLogicalId] = consumerResource
if (Array.isArray(streamResource.DependsOn)) {
streamResource.DependsOn.push(consumerLogicalId)
} else {
streamResource.DependsOn = [
streamResource.DependsOn,
consumerLogicalId,
]
}
const consumerArnRef = {
Ref: consumerLogicalId,
}
streamResource.Properties.EventSourceArn = consumerArnRef
kinesisConsumerStatement.Resource.push(consumerArnRef)
} else {
const consumerArn = event.stream.consumer
streamResource.Properties.EventSourceArn = consumerArn
kinesisConsumerStatement.Resource.push(consumerArn)
}
if (
event.stream.startingPosition === 'AT_TIMESTAMP' &&
!event.stream.startingPositionTimestamp
) {
throw new ServerlessError(
`You must specify startingPositionTimestamp for function: ${functionName} when startingPosition is AT_TIMESTAMP`,
'FUNCTION_STREAM_STARTING_POSITION_TIMESTAMP_INVALID',
)
}
if (event.stream.startingPositionTimestamp) {
streamResource.Properties.StartingPositionTimestamp =
event.stream.startingPositionTimestamp
}
}
_.merge(
this.serverless.service.provider.compiledCloudFormationTemplate
.Resources,
newStreamObject,
)
}
})
// update the PolicyDocument statements (if default policy is used)
if (
this.serverless.service.provider.compiledCloudFormationTemplate
.Resources.IamRoleLambdaExecution
) {
const statement =
this.serverless.service.provider.compiledCloudFormationTemplate
.Resources.IamRoleLambdaExecution.Properties.Policies[0]
.PolicyDocument.Statement
if (dynamodbStreamStatement.Resource.length) {
statement.push(dynamodbStreamStatement)
}
if (kinesisStreamStatement.Resource.length) {
statement.push(kinesisStreamStatement)
}
if (kinesisStreamWithConsumerStatement.Resource.length) {
statement.push(kinesisStreamWithConsumerStatement)
}
if (kinesisConsumerStatement.Resource.length) {
statement.push(kinesisConsumerStatement)
}
if (onFailureSnsStatement.Resource.length) {
statement.push(onFailureSnsStatement)
}
if (onFailureSqsStatement.Resource.length) {
statement.push(onFailureSqsStatement)
}
}
}
})
}
}
export default AwsCompileStreamEvents