Example: creating AWS SSM Parameter via SAM template

gistfile1.txt

Example to demonstrate creating parameters in AWS SSM Parameter Store that reference resources created via the Serverless Application Model

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LAMBDA FUNCTION hello_world.py:

import json

def lambda_handler(event, context):

    response = {
        "isBase64Encoded": "false",
        "headers": {
            "Access-Control-Allow-Headers": "Content-Type",
            "Access-Control-Allow-Origin": "*",
            "Access-Control-Allow-Methods": "OPTIONS,POST,GET",
        },
    }

    response["statusCode"] = 200

    response["body"] = json.dumps("Hello World")

    return response

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AWSTemplateFormatVersion: "2010-09-09"
Transform: "AWS::Serverless-2016-10-31"
Description: "Test SSM Creation"

Globals:
  Function:
    Timeout: 30

Resources:
  # ––– APPLICATION / LAMBDAS
  HelloWorldFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: hello_world.lambda_handler
      Runtime: python3.8
      MemorySize: 128
      Timeout: 6
      Tracing: Active
      FunctionName: !Sub ${AWS::StackName}-HelloWorld
      Description: !Sub
        - Function ${ResourceName}
        - ResourceName: HelloWorld
      CodeUri: functions/test/hello_world.py
      Policies:
        - AWSXrayWriteOnlyAccess

  # ––– APPLICATION / SSM
  HelloWorldParameter:
    DependsOn:
      - HelloWorldFunction
    Type: AWS::SSM::Parameter
    Properties:
      DataType: text
      Description: "References ARN of Lambda"
      Name: "HelloWorldLambdaARN"
      Tier: Standard
      Type: String
      Value: !GetAtt HelloWorldFunction.Arn