Reference Variable in JavaScript returned Resolved Promise Failing #6022
Description
This is a Bug Report
Description
Following the instruction from: Serverless Variables
Implemented the returned Promise (async); however, an error is thrown whereas the same function works if just a string is returned.
Logging from getValueFromSource shows that each time a Promise is returned there are additional calls for AWS variables that didn't exist when just a string was returned:
variable AWS::Partition property arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/undefined:*
variable AWS::Region property arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/undefined:*
variable AWS::AccountId property arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/undefined:*
variable AWS::Partition property arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/undefined:*:*
variable AWS::Region property arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/undefined:*:*
variable AWS::AccountId property arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/undefined:*:*
Additionally, several of the _fulfillmentHandler0 properties of getValueFromFile results have various errors the first being the one reported below.
function.js
module.exports.FN = () => {
const val = "value";
//return val;
return Promise.resolve(val);
};
serverless.yml
service: example
frameworkVersion: ">=1.28.0 <2.0.0"
provider:
name: aws
runtime: go1.x
environment:
FN: ${self:custom.FN}
package:
exclude:
- ./**
include:
- ./bin/**
functions:
read:
handler: bin/read
plugins:
- serverless-sam
custom:
stage: ${opt:stage, self:provider.stage}
FN: ${file(function.js):FN}
Similar or dependent issues:
Additional Data
- Serverless Framework Version you're using: 1.40.0
- Operating System: Ubuntu 18.04.2 LTS
- Stack Trace:
ServerlessError: Invalid variable reference syntax for variable AWS::Partition. You can only reference env vars, options, & files. You can check our docs for more info.
at Variables.getValueFromSource (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:546:32)
at Variables.splitAndGet (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:397:17)
at _.map (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:334:43)
at arrayMap (/home/gregl83/n/lib/node_modules/serverless/node_modules/lodash/lodash.js:639:23)
at Function.map (/home/gregl83/n/lib/node_modules/serverless/node_modules/lodash/lodash.js:9556:14)
at Variables.populateMatches (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:334:14)
at Variables.populateValue (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:365:30)
at _.map.variable (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:249:24)
at arrayMap (/home/gregl83/n/lib/node_modules/serverless/node_modules/lodash/lodash.js:639:23)
at Function.map (/home/gregl83/n/lib/node_modules/serverless/node_modules/lodash/lodash.js:9556:14)
at Variables.populateVariables (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:248:14)
at Variables.populateObjectImpl (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:277:30)
at assignProperties.then (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:282:24)
From previous event:
at Variables.populateObjectImpl (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:282:8)
at prepopulateService.then (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:161:26)
From previous event:
at initialCall (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:161:10)
at Variables.initialCall (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:67:12)
at Variables.populateService (/home/gregl83/n/lib/node_modules/serverless/lib/classes/Variables.js:159:17)
at SamPlugin.prepareTemplate (/home/gregl83/Code/go/src/github.com/gregl83/serverless-template-build/node_modules/serverless-sam/index.js:153:31)
at runCallback (timers.js:705:18)
at tryOnImmediate (timers.js:676:5)
at processImmediate (timers.js:658:5)
at process.topLevelDomainCallback (domain.js:120:23)
- Provider Error messages:
Invalid variable reference syntax for variable AWS::Partition. You can only reference env vars, options, & files. You can check our docs for more info.