Awesome

go-lambda-ping

A simple program that will build the infrastructure to ping a website.

Gathering Dependencies

go get github.com/aws/aws-lambda-go/lambda

Configuration

The Go program exists inside of function/. main.tf is the Terraform configuration for the Lambda.

Configuring the Site

Change url := "http://example.com/" to url := "<desired-site>" in function/function.go.

Building the Zip

In the function directory run make release to generate the binary and then zip it.

Deploying the Lambda

1. Run terraform init to initialize the terraform repository.

2. Then run terraform plan to create the execution plan.

3. Finally, terraform apply to apply the changes (run the execution plan).

Trigger the Lambda

aws lambda invoke \
--invocation-type RequestResponse \
--function-name demo_lambda \
--region us-east-1 \
--log-type Tail \
--payload '{"key1":"value1", "key2":"value2", "key3":"value3"}' \
outputfile.txt