VED-1235 Lambda-to-mock-PDS-in-Ref #1427
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| resource "aws_ecr_repository" "mock_pds_repository" { | ||
| image_scanning_configuration { | ||
| scan_on_push = true | ||
| } | ||
| image_tag_mutability = "IMMUTABLE" | ||
| name = "imms-mock-pds-repo" | ||
| } | ||
| # Module for building and pushing Docker image to ECR | ||
| resource "aws_ecr_repository_policy" "mock_pds_repository_lambda_image_retrieval_policy" { | ||
| repository = aws_ecr_repository.mock_pds_repository.name | ||
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|
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| policy = jsonencode({ | ||
| Version = "2012-10-17" | ||
| Statement = [ | ||
| { | ||
| Sid = "LambdaECRImageRetrievalPolicy" | ||
| Effect = "Allow" | ||
| Principal = { | ||
| Service = "lambda.amazonaws.com" | ||
| } | ||
| Action = [ | ||
| "ecr:BatchGetImage", | ||
| "ecr:GetDownloadUrlForLayer" | ||
| ] | ||
| Condition = { | ||
| StringLike = { | ||
| "aws:sourceArn" = "arn:aws:lambda:${var.aws_region}:${var.imms_account_id}:function:imms-*-mock-pds-lambda" | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| locals { | ||
| mock_pds_lambda_name = "${local.short_prefix}-mock-pds-lambda" | ||
| mock_pds_base_url = var.mock_pds_enabled ? "${aws_lambda_function_url.mock_pds_lambda_url[0].function_url}Patient" : "" | ||
| } | ||
|
|
||
| resource "aws_iam_role" "mock_pds_lambda_exec_role" { | ||
| count = var.mock_pds_enabled ? 1 : 0 | ||
|
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| name = "${local.mock_pds_lambda_name}-exec-role" | ||
| assume_role_policy = jsonencode({ | ||
| Version = "2012-10-17", | ||
| Statement = [{ | ||
| Effect = "Allow", | ||
| Sid = "", | ||
| Principal = { | ||
| Service = "lambda.amazonaws.com" | ||
| }, | ||
| Action = "sts:AssumeRole" | ||
| }] | ||
| }) | ||
| } | ||
|
|
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| resource "aws_iam_policy" "mock_pds_lambda_exec_policy" { | ||
| count = var.mock_pds_enabled ? 1 : 0 | ||
|
|
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| name = "${local.mock_pds_lambda_name}-exec-policy" | ||
| policy = jsonencode({ | ||
| Version = "2012-10-17", | ||
| Statement = [ | ||
| { | ||
| Effect = "Allow" | ||
| Action = [ | ||
| "logs:CreateLogGroup", | ||
| "logs:CreateLogStream", | ||
| "logs:PutLogEvents" | ||
| ] | ||
| Resource = "arn:aws:logs:${var.aws_region}:${var.immunisation_account_id}:log-group:/aws/lambda/${local.mock_pds_lambda_name}:*" | ||
| }, | ||
| { | ||
| Effect = "Allow", | ||
| Action = [ | ||
| "ec2:CreateNetworkInterface", | ||
| "ec2:DescribeNetworkInterfaces", | ||
| "ec2:DeleteNetworkInterface" | ||
| ], | ||
| Resource = "*" | ||
| } | ||
| ] | ||
| }) | ||
| } | ||
|
|
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| resource "aws_iam_policy" "mock_pds_lambda_kms_access_policy" { | ||
| count = var.mock_pds_enabled ? 1 : 0 | ||
|
|
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| name = "${local.mock_pds_lambda_name}-kms-policy" | ||
| description = "Allow mock PDS Lambda to decrypt environment variables" | ||
|
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| policy = jsonencode({ | ||
| Version = "2012-10-17" | ||
| Statement = [ | ||
| { | ||
| Effect = "Allow" | ||
| Action = [ | ||
| "kms:Decrypt" | ||
| ] | ||
| Resource = data.aws_kms_key.existing_lambda_encryption_key.arn | ||
| } | ||
| ] | ||
| }) | ||
| } | ||
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| resource "aws_iam_role_policy_attachment" "mock_pds_lambda_exec_policy_attachment" { | ||
| count = var.mock_pds_enabled ? 1 : 0 | ||
|
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| role = aws_iam_role.mock_pds_lambda_exec_role[0].name | ||
| policy_arn = aws_iam_policy.mock_pds_lambda_exec_policy[0].arn | ||
| } | ||
|
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| resource "aws_iam_role_policy_attachment" "mock_pds_lambda_kms_policy_attachment" { | ||
| count = var.mock_pds_enabled ? 1 : 0 | ||
|
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| role = aws_iam_role.mock_pds_lambda_exec_role[0].name | ||
| policy_arn = aws_iam_policy.mock_pds_lambda_kms_access_policy[0].arn | ||
| } | ||
|
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| resource "aws_cloudwatch_log_group" "mock_pds_lambda_log_group" { | ||
| count = var.mock_pds_enabled ? 1 : 0 | ||
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| name = "/aws/lambda/${local.mock_pds_lambda_name}" | ||
| retention_in_days = 30 | ||
| } | ||
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| resource "aws_lambda_function" "mock_pds_lambda" { | ||
| count = var.mock_pds_enabled ? 1 : 0 | ||
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| function_name = local.mock_pds_lambda_name | ||
| role = aws_iam_role.mock_pds_lambda_exec_role[0].arn | ||
| package_type = "Image" | ||
| image_uri = var.mock_pds_image_uri | ||
| architectures = ["x86_64"] | ||
| timeout = 30 | ||
|
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| vpc_config { | ||
| subnet_ids = local.private_subnet_ids | ||
| security_group_ids = [data.aws_security_group.existing_securitygroup.id] | ||
| } | ||
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| environment { | ||
| variables = { | ||
| REDIS_HOST = data.aws_elasticache_cluster.existing_redis.cache_nodes[0].address | ||
| REDIS_PORT = tostring(data.aws_elasticache_cluster.existing_redis.port) | ||
| MOCK_PDS_AVERAGE_LIMIT = tostring(var.mock_pds_average_rate_limit) | ||
| MOCK_PDS_AVERAGE_WINDOW_SECONDS = tostring(var.mock_pds_average_window_seconds) | ||
| MOCK_PDS_SPIKE_LIMIT = tostring(var.mock_pds_spike_rate_limit) | ||
| MOCK_PDS_SPIKE_WINDOW_SECONDS = tostring(var.mock_pds_spike_window_seconds) | ||
| MOCK_PDS_GP_ODS_CODE = var.mock_pds_gp_ods_code | ||
| } | ||
| } | ||
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| kms_key_arn = data.aws_kms_key.existing_lambda_encryption_key.arn | ||
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| depends_on = [ | ||
| aws_cloudwatch_log_group.mock_pds_lambda_log_group, | ||
| aws_iam_policy.mock_pds_lambda_exec_policy | ||
| ] | ||
| } | ||
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| resource "aws_lambda_function_url" "mock_pds_lambda_url" { | ||
| count = var.mock_pds_enabled ? 1 : 0 | ||
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| function_name = aws_lambda_function.mock_pds_lambda[0].function_name | ||
| authorization_type = "NONE" | ||
|
Contributor
There was a problem hiding this comment. why are we doing authorization_type = NONE?
Contributor
Author
There was a problem hiding this comment. Yes, authorization_type = "NONE" makes the Function URL public. We used this to keep the mock PDS endpoint simple for lower-env integration/perf testing. It does not expose real PDS data, but you’re right that it is internet-reachable. |
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| } | ||
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| resource "aws_lambda_permission" "mock_pds_lambda_url_invoke" { | ||
| count = var.mock_pds_enabled ? 1 : 0 | ||
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| statement_id = "AllowPublicInvokeFunctionUrl" | ||
| action = "lambda:InvokeFunctionUrl" | ||
| function_name = aws_lambda_function.mock_pds_lambda[0].function_name | ||
| principal = "*" | ||
| function_url_auth_type = "NONE" | ||
| } | ||
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| resource "aws_cloudwatch_log_metric_filter" "mock_pds_throttle_logs" { | ||
| count = var.mock_pds_enabled ? 1 : 0 | ||
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| name = "${local.short_prefix}-MockPdsThrottleLogs" | ||
| pattern = "Mock PDS rate limit exceeded" | ||
| log_group_name = aws_cloudwatch_log_group.mock_pds_lambda_log_group[0].name | ||
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| metric_transformation { | ||
| name = "${local.short_prefix}-MockPdsThrottleRequests" | ||
| namespace = "${local.short_prefix}-MockPds" | ||
| value = "1" | ||
| } | ||
| } | ||
|
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| output "mock_pds_function_url" { | ||
| value = var.mock_pds_enabled ? aws_lambda_function_url.mock_pds_lambda_url[0].function_url : null | ||
| description = "Function URL for the mock PDS endpoint." | ||
| } | ||
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