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A basic !InlineFile YAML tag/function resolver for inlining Lambda into CloudFormation; assumes two-space indentation
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PATTERN = %r{ | |
^ | |
(?<indent>\s*) | |
(?<key>\S+): | |
\s* | |
!InlineFile | |
\s* | |
(?<file>.*) | |
$ | |
}x | |
def inline_file(match) | |
puts "#{match[:indent]}#{match[:key]}: |" | |
File.open(match[:file]) do |f| | |
f.each_line do |line| | |
puts(match[:indent] + " " + line) | |
end | |
end | |
end | |
File.open(ARGV[0]) do |template| | |
template.each_line do |line| | |
if match = PATTERN.match(line) | |
inline_file(match) | |
else | |
puts line | |
end | |
end | |
end |
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AWSTemplateFormatVersion: '2010-09-09' | |
Description: Lambda function with cfn-response. | |
Resources: | |
primer: | |
Type: AWS::Lambda::Function | |
Properties: | |
Runtime: nodejs12.x | |
Role: arn:aws:iam::123456789012:role/lambda-role | |
Handler: index.handler | |
Code: | |
ZipFile: !InlineFile lambda.js | |
Description: Invoke a function during stack creation. | |
TracingConfig: | |
Mode: Active |
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AWSTemplateFormatVersion: '2010-09-09' | |
Description: Lambda function with cfn-response. | |
Resources: | |
primer: | |
Type: AWS::Lambda::Function | |
Properties: | |
Runtime: nodejs12.x | |
Role: arn:aws:iam::123456789012:role/lambda-role | |
Handler: index.handler | |
Code: | |
ZipFile: | | |
var aws = require('aws-sdk') | |
var response = require('cfn-response') | |
exports.handler = function(event, context) { | |
console.log("REQUEST RECEIVED:\n" + JSON.stringify(event)) | |
// For Delete requests, immediately send a SUCCESS response. | |
if (event.RequestType == "Delete") { | |
response.send(event, context, "SUCCESS") | |
return | |
} | |
var responseStatus = "FAILED" | |
var responseData = {} | |
var functionName = event.ResourceProperties.FunctionName | |
var lambda = new aws.Lambda() | |
lambda.invoke({ FunctionName: functionName }, function(err, invokeResult) { | |
if (err) { | |
responseData = {Error: "Invoke call failed"} | |
console.log(responseData.Error + ":\n", err) | |
} | |
else responseStatus = "SUCCESS" | |
response.send(event, context, responseStatus, responseData) | |
}) | |
} | |
Description: Invoke a function during stack creation. | |
TracingConfig: | |
Mode: Active |
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