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Lambda

List Lambda Functions, Runtime and Memory

aws lambda list-functions | jq -r '.Functions[] | .FunctionName+" "+.Runtime+" "+(.MemorySize|tostring)'
backend-api-function           nodejs8.10  512
backend-signup-email-function  nodejs10.x  128
partner-api-8XJAP1VVLYA7       python3.7   128
marketing-promo-sqs-function   nodejs10.x  128

List Lambda Environment Variables

aws lambda get-function --function-name my-app-production | jq -r .Configuration.Environment.Variables
...
"FILESYSTEM_DRIVER": "s3",
"APP_ENV": "production",
"CACHE_STORE": "dynamodb",
"QUEUE_TIMEOUT": "69",
...

List Lambda Layers

aws lambda list-layers | jq -r '.Layers[] | .LayerName'
imagemagik-layer
django-layer
nodejs-extra-layer

List of Source Event for Lambda

aws lambda list-event-source-mappings | jq -r '.EventSourceMappings[] | .FunctionArn+" "+.EventSourceArn'
arn:aws:lambda:function:backend-api-function           arn:aws:dynamodb:table/prod-user-list/stream
arn:aws:lambda:function:backend-signup-email-function  arn:aws:dynamodb:table/prod-user-email/stream
arn:aws:lambda:function:partner-api-8XJAP1VVLYA7       arn:aws:sqs:partner-input-msg-queue
arn:aws:lambda:function:marketing-promo-sqs-function   arn:aws:sqs:promo-input-msg-queue

Download Lambda Code

aws lambda get-function --function-name DynamoToSQS | jq -r .Code.Location
https://awslambda-ap-se-1-tasks.s3.ap-southeast-1.amazonaws.com/snapshots/987654321/backend-api-function-1fda0de7-a751-4586-bf64-5601a410c170