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

• Run terraform init to initialize the terraform repository.

• Then run terraform plan to create the execution plan.

• 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