Serverless: TypeError: Cannot read property 'stage' of undefined - serverless-framework

Question

frameworkVersion: '2'
plugins:
- serverless-step-functions
- serverless-python-requirements
- serverless-parameters
- serverless-pseudo-parameters
provider:
name: aws
region: us-east-2
stage: ${opt:stage, 'dev'}
runtime: python3.7
versionFunctions: false
iam:
role: arn:aws:iam::#{AWS::AccountId}:role/AWSLambdaVPCAccessExecutionRole
apiGateway:
shouldStartNameWithService: true
lambdaHashingVersion: 20201221
package:
exclude:
- node_modules/**
- venv/**
# Lambda functions
functions:
generateAlert:
handler: handler.generateAlert
generateData:
handler: handler.generateDataHandler
timeout: 600
approveDenied:
handler: handler.approveDenied
timeout: 600
stepFunctions:
stateMachines:
"claims-etl-and-insight-generation-${self:provider.stage}":
loggingConfig:
level: ALL
includeExecutionData: true
destinations:
- Fn::GetAtt: ["ETLStepFunctionLogGroup", Arn]
name: "claims-etl-and-insight-generation-${self:provider.stage}"
definition:
Comment: "${self:provider.stage} ETL Workflow"
StartAt: RawQualityJob
States:
# Raw Data Quality Check Job Start
RawQualityJob:
Type: Task
Resource: arn:aws:states:::glue:startJobRun.sync
Parameters:
JobName: "data_quality_v2_${self:provider.stage}"
Arguments:
"--workflow-name": "${self:provider.stage}-Workflow"
"--dataset_id.$": "$.datasetId"
"--client_id.$": "$.clientId"
Next: DataQualityChoice
Retry:
- ErrorEquals: [States.ALL]
MaxAttempts: 2
IntervalSeconds: 10
BackoffRate: 5
Catch:
- ErrorEquals: [States.ALL]
Next: GenerateErrorAlertDataQuality
# End Raw Data Quality Check Job
DataQualityChoice:
Type: Task
Resource:
Fn::GetAtt: [approveDenied, Arn]
Next: Is Approved ?
Is Approved ?:
Type: Choice
Choices:
- Variable: "$.quality_status"
StringEquals: "Denied"
Next: FailState
Default: HeaderLineJob
FailState:
Type: Fail
Cause: "Denied status"
# Header Line Job Start
HeaderLineJob:
Type: Parallel
Branches:
- StartAt: HeaderLineIngestion
States:
HeaderLineIngestion:
Type: Task
Resource: arn:aws:states:::glue:startJobRun.sync
Parameters:
JobName: headers_lines_etl_rs_v2
Arguments:
"--workflow-name.$": "$.Arguments.--workflow-name"
"--dataset_id.$": "$.Arguments.--dataset_id"
"--client_id.$": "$.Arguments.--client_id"
End: True
Retry:
- ErrorEquals: [States.ALL]
MaxAttempts: 2
IntervalSeconds: 10
BackoffRate: 5
Catch:
- ErrorEquals: [States.ALL]
Next: GenerateErrorAlertHeaderLine
End: True
# Header Line Job End
GenerateErrorAlertDataQuality:
Type: Task
Resource:
Fn::GetAtt: [generateAlert, Arn]
End: true
resources:
Resources:
# Cloudwatch Log
"ETLStepFunctionLogGroup":
Type: AWS::Logs::LogGroup
Properties:
LogGroupName: "ETLStepFunctionLogGroup_${self:provider.stage}"
This is what my serverless.yml file looks like.
When I run the command:
sls deploy --stage staging
It show
Type Error ----------------------------------------------
TypeError: Cannot read property 'stage' of undefined
at Variables.getValueFromOptions (/snapshot/serverless/lib/classes/Variables.js:648:37)
at Variables.getValueFromSource (/snapshot/serverless/lib/classes/Variables.js:579:17)
at /snapshot/serverless/lib/classes/Variables.js:539:12
Your Environment Information ---------------------------
Operating System: linux
Node Version: 14.4.0
Framework Version: 2.30.3 (standalone)
Plugin Version: 4.5.1
SDK Version: 4.2.0
Components Version: 3.7.4
How I can fix this? I tried with different version of serverless.
There is error in yamlParser file, which is provided by serverless-step-functions.
Above is my serverless config file.

Answer 1

It looks like a $ sign is missing from your provider -> stage?
provider:
name: aws
region: us-east-2
stage: ${opt:stage, 'dev'} # $ sign is missing?
runtime: python3.7
versionFunctions: false
iam:
role: arn:aws:iam::#{AWS::AccountId}:role/AWSLambdaVPCAccessExecutionRole
apiGateway:
shouldStartNameWithService: true
lambdaHashingVersion: 20201221