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add sfn and cron rule for daily refresh of schedules/flights
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| import { Construct } from 'constructs'; | ||
| import { IBucket } from 'aws-cdk-lib/aws-s3'; | ||
| import { IFunction } from 'aws-cdk-lib/aws-lambda'; | ||
| import { DefinitionBody, IStateMachine, StateMachine, TaskInput, JsonPath } from 'aws-cdk-lib/aws-stepfunctions'; | ||
| import { LambdaInvoke } from 'aws-cdk-lib/aws-stepfunctions-tasks'; | ||
|
|
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| export interface SfnConstructProps { | ||
| dataBucket: IBucket; | ||
| cronLambda: IFunction; | ||
| } | ||
|
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| export class SfnConstruct extends Construct { | ||
| readonly flightSchedules: IStateMachine; | ||
|
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| constructor(scope: Construct, id: string, props: SfnConstructProps) { | ||
| super(scope, id); | ||
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| const definition = new LambdaInvoke(this, 'LoadSchedulesTask', { | ||
| lambdaFunction: props.cronLambda, | ||
| payload: TaskInput.fromObject({ | ||
| 'action': 'cron', | ||
| 'params': { | ||
| 'loadFlightSchedules': { | ||
| 'outputBucket': props.dataBucket.bucketName, | ||
| 'outputPrefix': 'raw/LH_Public_Data/flightschedules/', | ||
| 'schedule': JsonPath.stringAt('$.schedule'), | ||
| }, | ||
| }, | ||
| }), | ||
| payloadResponseOnly: true, | ||
| resultPath: '$.loadSchedulesResponse', | ||
| retryOnServiceExceptions: true, | ||
| }) | ||
| .next(new LambdaInvoke(this, 'ConvertSchedulesTask', { | ||
| lambdaFunction: props.cronLambda, | ||
| payload: TaskInput.fromObject({ | ||
| 'action': 'convert_flight_schedules', | ||
| 'params': { | ||
| 'inputBucket': JsonPath.stringAt('$.loadSchedulesResponse.loadFlightSchedules.input.outputBucket'), | ||
| 'inputPrefix': JsonPath.stringAt('$.loadSchedulesResponse.loadFlightSchedules.input.outputPrefix'), | ||
| 'outputBucket': props.dataBucket.bucketName, | ||
| 'outputPrefix': 'processed/flights/', | ||
| 'dateRanges': JsonPath.objectAt('$.loadSchedulesResponse.loadFlightSchedules.input.dateRanges'), | ||
| }, | ||
| }), | ||
| payloadResponseOnly: true, | ||
| resultPath: '$.convertSchedulesResponse', | ||
| retryOnServiceExceptions: true, | ||
| })) | ||
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| this.flightSchedules = new StateMachine(this, 'FlightSchedules', { | ||
| definitionBody: DefinitionBody.fromChainable(definition), | ||
| tracingEnabled: false, | ||
| }); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| package action | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "errors" | ||
| "github.com/explore-flights/monorepo/go/common" | ||
| "time" | ||
| ) | ||
|
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| type CronParams struct { | ||
| LoadFlightSchedules *struct { | ||
| OutputBucket string `json:"outputBucket"` | ||
| OutputPrefix string `json:"outputPrefix"` | ||
| Schedule string `json:"schedule"` | ||
| } `json:"loadFlightSchedules,omitempty"` | ||
| ConvertFlightSchedules *struct { | ||
| InputBucket string `json:"inputBucket"` | ||
| InputPrefix string `json:"inputPrefix"` | ||
| OutputBucket string `json:"outputBucket"` | ||
| OutputPrefix string `json:"outputPrefix"` | ||
| Schedule string `json:"schedule"` | ||
| } `json:"convertFlightSchedules,omitempty"` | ||
| } | ||
|
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| type CronOutput struct { | ||
| LoadFlightSchedules *InputOutput[LoadFlightSchedulesParams, LoadFlightSchedulesOutput] `json:"loadFlightSchedules,omitempty"` | ||
| ConvertFlightSchedules *InputOutput[ConvertFlightSchedulesParams, ConvertFlightSchedulesOutput] `json:"convertFlightSchedules,omitempty"` | ||
| } | ||
|
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| type InputOutput[IN any, OUT any] struct { | ||
| Input IN `json:"input"` | ||
| Output OUT `json:"output"` | ||
| } | ||
|
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| type cronAction struct { | ||
| lfsA Action[LoadFlightSchedulesParams, LoadFlightSchedulesOutput] | ||
| cfsA Action[ConvertFlightSchedulesParams, ConvertFlightSchedulesOutput] | ||
| } | ||
|
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| func NewCronAction(lfsA Action[LoadFlightSchedulesParams, LoadFlightSchedulesOutput], cfsA Action[ConvertFlightSchedulesParams, ConvertFlightSchedulesOutput]) Action[CronParams, CronOutput] { | ||
| return &cronAction{ | ||
| lfsA: lfsA, | ||
| cfsA: cfsA, | ||
| } | ||
| } | ||
|
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| func (c *cronAction) Handle(ctx context.Context, params CronParams) (CronOutput, error) { | ||
| var output CronOutput | ||
| var err error | ||
|
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| if params.LoadFlightSchedules != nil { | ||
| lfsInOut := InputOutput[LoadFlightSchedulesParams, LoadFlightSchedulesOutput]{ | ||
| Input: LoadFlightSchedulesParams{ | ||
| OutputBucket: params.LoadFlightSchedules.OutputBucket, | ||
| OutputPrefix: params.LoadFlightSchedules.OutputPrefix, | ||
| DateRanges: nil, | ||
| }, | ||
| } | ||
|
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| switch params.LoadFlightSchedules.Schedule { | ||
| case "daily": | ||
| start := time.Now() | ||
| end := start.AddDate(0, 0, 7) | ||
|
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| lfsInOut.Input.DateRanges = append(lfsInOut.Input.DateRanges, [2]common.LocalDate{ | ||
| common.NewLocalDate(start), | ||
| common.NewLocalDate(end), | ||
| }) | ||
|
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| default: | ||
| return output, errors.New("invalid schedule") | ||
| } | ||
|
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| if lfsInOut.Output, err = c.lfsA.Handle(ctx, lfsInOut.Input); err != nil { | ||
| return output, err | ||
| } | ||
|
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| output.LoadFlightSchedules = &lfsInOut | ||
| } | ||
|
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| if params.ConvertFlightSchedules != nil { | ||
| cfsInOut := InputOutput[ConvertFlightSchedulesParams, ConvertFlightSchedulesOutput]{ | ||
| Input: ConvertFlightSchedulesParams{ | ||
| InputBucket: params.ConvertFlightSchedules.InputBucket, | ||
| InputPrefix: params.ConvertFlightSchedules.InputPrefix, | ||
| OutputBucket: params.ConvertFlightSchedules.OutputBucket, | ||
| OutputPrefix: params.ConvertFlightSchedules.OutputPrefix, | ||
| DateRanges: nil, | ||
| }, | ||
| } | ||
|
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| switch params.LoadFlightSchedules.Schedule { | ||
| case "daily": | ||
| start := time.Now() | ||
| end := start.AddDate(0, 0, 7) | ||
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| cfsInOut.Input.DateRanges = append(cfsInOut.Input.DateRanges, [2]common.LocalDate{ | ||
| common.NewLocalDate(start), | ||
| common.NewLocalDate(end), | ||
| }) | ||
|
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| default: | ||
| return output, errors.New("invalid schedule") | ||
| } | ||
|
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| if cfsInOut.Output, err = c.cfsA.Handle(ctx, cfsInOut.Input); err != nil { | ||
| return output, err | ||
| } | ||
|
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| output.ConvertFlightSchedules = &cfsInOut | ||
| } | ||
|
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| return output, nil | ||
| } | ||
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| func handle[IN any, OUT any](ctx context.Context, act Action[IN, OUT], params json.RawMessage) ([]byte, error) { | ||
| var input IN | ||
| if err := json.Unmarshal(params, &input); err != nil { | ||
| return nil, err | ||
| } | ||
|
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| output, err := act.Handle(ctx, input) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| return json.Marshal(output) | ||
| } |
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