add initial terraform implementation #174
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,107 @@ | ||
| # IAM role for Lambda functions | ||
| resource "aws_iam_role" "lambda_role" { | ||
| name = "branch-lambda-role" | ||
| assume_role_policy = jsonencode({ | ||
| Version = "2012-10-17" | ||
| Statement = [{ | ||
| Action = "sts:AssumeRole" | ||
| Effect = "Allow" | ||
| Principal = { Service = "lambda.amazonaws.com" } | ||
| }] | ||
| }) | ||
| } | ||
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| # Attach basic execution policy for CloudWatch Logs | ||
| resource "aws_iam_role_policy_attachment" "lambda_basic" { | ||
| role = "aws_iam_role.lambda_role.name" | ||
| policy_arn = "arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole" | ||
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Collaborator
There was a problem hiding this comment. also just wanting to confirm this is correct arn for the aws managed role |
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| } | ||
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| # Get AWS account ID for unique bucket naming | ||
| data "aws_caller_identity" "current" {} | ||
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| resource "aws_s3_bucket" "lambda_deployments" { | ||
| bucket = "branch-lambda-deployments-${data.aws_caller_identity.current.account_id}" | ||
| } | ||
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| resource "aws_s3_bucket_versioning" "lambda_deployments" { | ||
| bucket = aws_s3_bucket.lambda_deployments.id | ||
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| versioning_configuration { | ||
| status = "Enabled" | ||
| } | ||
| } | ||
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| resource "aws_s3_bucket_server_side_encryption_configuration" "lambda_deployments" { | ||
| bucket = aws_s3_bucket.lambda_deployments.id | ||
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| rule { | ||
| apply_server_side_encryption_by_default { | ||
| sse_algorithm = "AES256" | ||
| } | ||
| } | ||
| } | ||
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| # Define all Lambda functions in one place | ||
| locals { | ||
| lambda_functions = toset([ | ||
| "projects", | ||
|
Collaborator
There was a problem hiding this comment. I think auth is missing here? also what do you think of generating this list dynamically from the list of folders in |
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| "reports", | ||
| "users", | ||
| "donors", | ||
| "expenditures" | ||
| ]) | ||
| } | ||
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| # Minimal placeholder that will be replaced by GitHub Actions on first deployment | ||
| data "archive_file" "lambda_placeholder" { | ||
| type = "zip" | ||
| output_path = "$${path.module}/lambda-placeholder.zip" | ||
|
Collaborator
There was a problem hiding this comment. why the double "$" here? is this escaping the first "$"? please confirm |
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| source { | ||
| content = "exports.handler = async () => ({ statusCode: 200, body: JSON.stringify({ message: 'Placeholder - will be replaced by CI/CD' }) });" | ||
| filename = "handler.js" | ||
| } | ||
| } | ||
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| # This allows Terraform to create the Lambda functions initially | ||
| resource "aws_s3_object" "lambda_placeholder" { | ||
| for_each = local.lambda_functions | ||
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| bucket = aws_s3_bucket.lambda_deployments.id | ||
| key = "${each.key}/initial.zip" | ||
| source = data.archive_file.lambda_placeholder.output_path | ||
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| content_type = "application/zip" | ||
| } | ||
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| # Create all Lambda functions with a single resource block | ||
| resource "aws_lambda_function" "functions" { | ||
| for_each = local.lambda_functions | ||
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| function_name = "branch-${each.key}" | ||
| runtime = "nodejs20.x" | ||
| handler = "handler.handler" | ||
| timeout = 30 | ||
| memory_size = 256 | ||
| role = aws_iam_role.lambda_role.arn | ||
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| # Use S3 for deployment (initial placeholder, replaced by GitHub Actions) | ||
| s3_bucket = aws_s3_bucket.lambda_deployments.id | ||
| s3_key = aws_s3_object.lambda_placeholder[each.key].key | ||
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| # Prevent Terraform from reverting code deployments made by GitHub Actions | ||
| lifecycle { | ||
| ignore_changes = [s3_key] | ||
| } | ||
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| environment { | ||
| variables = { | ||
| NODE_ENV = "production" | ||
| DB_HOST = aws_db_instance.branch_rds.address | ||
| DB_USER = data.infisical_secrets.rds_folder.secrets["username"].value | ||
| DB_PASSWORD = data.infisical_secrets.rds_folder.secrets["password"].value | ||
| DB_PORT = try(data.infisical_secrets.rds_folder.secrets["db_port"].value, "5432") | ||
| DB_NAME = try(data.infisical_secrets.rds_folder.secrets["db_name"].value, aws_db_instance.branch_rds.db_name) | ||
| } | ||
| } | ||
| } | ||
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Can you confirm this should be quoted? i think this might error on apply