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main.tf
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main.tf
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terraform {
required_providers {
aws = {
source = "hashicorp/aws",
version = "~> 4.0.0"
}
}
required_version = "~> 1.2.3"
}
provider "aws" {
region = var.aws_region
}
resource "aws_s3_bucket" "lambda_bucket" {
bucket = "slsapp1-lambda-bucket"
# acl = "private"
force_destroy = true
}
data "archive_file" "lambda_hello_world" {
source_dir = "${path.module}/lambda/hello-world"
output_path = "${path.module}/lambda/hello-world.zip"
type = "zip"
}
resource "aws_s3_object" "lambda_hello_world" {
bucket = aws_s3_bucket.lambda_bucket.id
key = "hello-world.zip"
source = data.archive_file.lambda_hello_world.output_path
etag = filemd5(data.archive_file.lambda_hello_world.output_path)
}
resource "aws_iam_role" "lambda_exec" {
name = "slsapp1-lambda-role"
assume_role_policy = jsonencode({
Version = "2012-10-17"
Statement = [{
Action = "sts:AssumeRole"
Effect = "Allow"
Sid = ""
Principal = {
Service = "lambda.amazonaws.com"
}
}
]
})
}
resource "aws_iam_role_policy_attachment" "lambda_policy" {
role = aws_iam_role.lambda_exec.name
policy_arn = "arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole"
}
resource "aws_lambda_function" "hello_world" {
function_name = "slsapp1-HelloWorld"
s3_bucket = aws_s3_bucket.lambda_bucket.id
s3_key = aws_s3_object.lambda_hello_world.key
runtime = "nodejs14.x"
handler = "hello.handler"
source_code_hash = data.archive_file.lambda_hello_world.output_base64sha256
role = aws_iam_role.lambda_exec.arn
}
resource "aws_apigatewayv2_api" "lambda" {
name="slsapp1-gw"
protocol_type = "HTTP"
}
resource "aws_apigatewayv2_stage" "lambda" {
api_id = aws_apigatewayv2_api.lambda.id
name="dev"
auto_deploy = true
}
resource "aws_apigatewayv2_integration" "hello_world" {
api_id = aws_apigatewayv2_api.lambda.id
integration_uri = aws_lambda_function.hello_world.invoke_arn
integration_type = "AWS_PROXY"
integration_method = "POST"
}
resource "aws_apigatewayv2_route" "hello_world" {
api_id = aws_apigatewayv2_api.lambda.id
route_key = "GET /hello"
target = "integrations/${aws_apigatewayv2_integration.hello_world.id}"
}
resource "aws_lambda_permission" "api_gw" {
statement_id = "AllowExecutionFromAPIGateway"
action = "lambda:InvokeFunction"
function_name = aws_lambda_function.hello_world.function_name
principal = "apigateway.amazonaws.com"
source_arn = "${aws_apigatewayv2_api.lambda.execution_arn}/*/*"
}