update fast-api terraform

This commit is contained in:
Daniel Roth 2026-03-10 11:42:06 +00:00
parent 6632e6fcdc
commit dcb3efdb7e
3 changed files with 118 additions and 53 deletions

View file

@ -7,43 +7,101 @@ data "terraform_remote_state" "shared" {
}
}
module "lambda" {
source = "../../modules/lambda_with_sqs"
data "aws_secretsmanager_secret_version" "db_credentials" {
secret_id = "${var.stage}/assessment_model/db_credentials"
}
name = REPLACE ME #"address2uprn" for example
stage = var.stage
locals {
db_credentials = jsondecode(data.aws_secretsmanager_secret_version.db_credentials.secret_string)
}
image_uri = local.image_uri
# Optional: Set maximum_concurrency to limit concurrent SQS-triggered invocations (2-1000)
maximum_concurrency = var.maximum_concurrency
data "aws_ssm_parameter" "certificate_arn" {
name = "/ssl_certificate_arn"
}
batch_size = var.batch_size
data "aws_route53_zone" "this" {
name = var.domain_name
}
environment = {
STAGE = var.stage
LOG_LEVEL = "info"
############################################
# Install Python requirements
############################################
resource "null_resource" "pip_install" {
triggers = {
requirements_hash = filemd5("${path.root}/../../../../backend/app/requirements/requirements.txt")
}
provisioner "local-exec" {
command = <<EOT
pip install \
-r ${path.root}/../../../../backend/app/requirements/requirements.txt \
-t ${path.root}/../../../../backend/app/packages \
--platform manylinux2014_x86_64 \
--implementation cp \
--python-version 3.11 \
--only-binary=:all: \
--upgrade
EOT
}
}
# ======================================================================
# OPTIONAL: Attach S3 IAM policy to Lambda execution role
# ======================================================================
# Uncomment and configure the resource below to attach S3 permissions
#
# Example 1: Attach existing policy from shared state
# resource "aws_iam_role_policy_attachment" "lambda_s3_policy" {
# role = module.lambda.role_name
# policy_arn = data.terraform_remote_state.shared.outputs.YOUR_POLICY_OUTPUT_NAME_arn
# }
#
# Example 2: Attach multiple policies
# resource "aws_iam_role_policy_attachment" "lambda_read_policy" {
# role = module.lambda.role_name
# policy_arn = data.terraform_remote_state.shared.outputs.postcode_splitter_s3_read_arn
# }
#
# resource "aws_iam_role_policy_attachment" "lambda_write_policy" {
# role = module.lambda.role_name
# policy_arn = data.terraform_remote_state.shared.outputs.another_policy_arn
# }
############################################
# FastAPI Lambda + API Gateway
############################################
module "fastapi" {
depends_on = [null_resource.pip_install]
source = "../../modules/lambda_with_api_gateway"
name = "fastapi"
stage = var.stage
source_dir = "${path.root}/../../../../backend"
handler = "app.main.handler"
runtime = "python3.11"
timeout = 600
memory_size = 512
domain_name = "api.${var.domain_name}"
certificate_arn = data.aws_ssm_parameter.certificate_arn.value
route53_zone_id = data.aws_route53_zone.this.zone_id
environment = {
ENVIRONMENT = var.stage
API_KEY = var.api_key
SECRET_KEY = var.secret_key
DOMAIN_NAME = var.domain_name
EPC_AUTH_TOKEN = var.epc_auth_token
GOOGLE_SOLAR_API_KEY = var.google_solar_api_key
DB_HOST = var.db_host
DB_NAME = var.db_name
DB_PORT = var.db_port
DB_USERNAME = local.db_credentials.db_assessment_model_username
DB_PASSWORD = local.db_credentials.db_assessment_model_password
PLAN_TRIGGER_BUCKET = data.terraform_remote_state.shared.outputs.retrofit_plan_trigger_bucket_name
DATA_BUCKET = data.terraform_remote_state.shared.outputs.retrofit_sap_data_bucket_name
SAP_PREDICTIONS_BUCKET = data.terraform_remote_state.shared.outputs.retrofit_sap_predictions_bucket_name
CARBON_PREDICTIONS_BUCKET = data.terraform_remote_state.shared.outputs.retrofit_carbon_predictions_bucket_name
HEAT_PREDICTIONS_BUCKET = data.terraform_remote_state.shared.outputs.retrofit_heat_predictions_bucket_name
HEATING_KWH_PREDICTIONS_BUCKET = data.terraform_remote_state.shared.outputs.retrofit_heating_kwh_predictions_bucket_name
HOTWATER_KWH_PREDICTIONS_BUCKET = data.terraform_remote_state.shared.outputs.retrofit_hotwater_kwh_predictions_bucket_name
ENERGY_ASSESSMENTS_BUCKET = data.terraform_remote_state.shared.outputs.retrofit_energy_assessments_bucket_name
ENGINE_SQS_URL = data.terraform_remote_state.shared.outputs.engine_queue_url
CATEGORISATION_SQS_URL = "https://sqs.eu-west-2.amazonaws.com/337213553626/categorisation-queue-dev"
}
}
############################################
# IAM policy attachments
############################################
resource "aws_iam_role_policy_attachment" "fastapi_s3_read" {
role = module.fastapi.role_name
policy_arn = data.terraform_remote_state.shared.outputs.fastapi_s3_read_arn
}
resource "aws_iam_role_policy_attachment" "fastapi_sqs_send" {
role = module.fastapi.role_name
policy_arn = data.terraform_remote_state.shared.outputs.fastapi_sqs_send_arn
}

View file

@ -7,7 +7,7 @@ terraform {
}
backend "s3" {
bucket = REPLACE_ME
bucket = "ara-fast-api-terraform-state"
key = "terraform.tfstate"
region = "eu-west-2"
}

View file

@ -4,34 +4,41 @@ variable "lambda_name" {
}
variable "stage" {
description = "Deployment stage (e.g. dev, prod)"
type = string
}
variable "ecr_repo_url" {
type = string
description = "ECR repository URL (no tag, no digest)"
type = string
}
variable "image_digest" {
type = string
description = "Image digest (sha256:...)"
variable "db_host" {
type = string
}
variable "maximum_concurrency" {
type = number
default = null
description = "Maximum number of concurrent Lambda invocations from SQS (2-1000). null = no limit."
variable "db_name" {
type = string
}
variable "batch_size" {
type = number
default = 1
variable "db_port" {
type = string
}
locals {
image_uri = "${var.ecr_repo_url}@${var.image_digest}"
variable "api_key" {
type = string
sensitive = true
}
output "resolved_image_uri" {
value = local.image_uri
variable "secret_key" {
type = string
sensitive = true
}
variable "domain_name" {
type = string
}
variable "epc_auth_token" {
type = string
sensitive = true
}
variable "google_solar_api_key" {
type = string
sensitive = true
}