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feat: Added support for event source mapping in alias submodule (#320)
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‎examples/alias/README.md‎

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@@ -37,6 +37,7 @@ Note that this example may create resources which cost money. Run `terraform des
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| <a name="module_alias_no_refresh"></a> [alias\_no\_refresh](#module\_alias\_no\_refresh) | ../../modules/alias | n/a |
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| <a name="module_alias_refresh"></a> [alias\_refresh](#module\_alias\_refresh) | ../../modules/alias | n/a |
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| <a name="module_lambda_function"></a> [lambda\_function](#module\_lambda\_function) | ../../ | n/a |
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| <a name="module_sqs_events"></a> [sqs\_events](#module\_sqs\_events) | terraform-aws-modules/sqs/aws | ~> 3.0 |
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## Resources
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@@ -54,6 +55,10 @@ No inputs.
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|------|-------------|
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| <a name="output_lambda_alias_arn"></a> [lambda\_alias\_arn](#output\_lambda\_alias\_arn) | The ARN of the Lambda Function Alias |
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| <a name="output_lambda_alias_description"></a> [lambda\_alias\_description](#output\_lambda\_alias\_description) | Description of alias |
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| <a name="output_lambda_alias_event_source_mapping_function_arn"></a> [lambda\_alias\_event\_source\_mapping\_function\_arn](#output\_lambda\_alias\_event\_source\_mapping\_function\_arn) | The the ARN of the Lambda function the event source mapping is sending events to |
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| <a name="output_lambda_alias_event_source_mapping_state"></a> [lambda\_alias\_event\_source\_mapping\_state](#output\_lambda\_alias\_event\_source\_mapping\_state) | The state of the event source mapping |
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| <a name="output_lambda_alias_event_source_mapping_state_transition_reason"></a> [lambda\_alias\_event\_source\_mapping\_state\_transition\_reason](#output\_lambda\_alias\_event\_source\_mapping\_state\_transition\_reason) | The reason the event source mapping is in its current state |
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| <a name="output_lambda_alias_event_source_mapping_uuid"></a> [lambda\_alias\_event\_source\_mapping\_uuid](#output\_lambda\_alias\_event\_source\_mapping\_uuid) | The UUID of the created event source mapping |
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| <a name="output_lambda_alias_function_version"></a> [lambda\_alias\_function\_version](#output\_lambda\_alias\_function\_version) | Lambda function version which the alias uses |
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| <a name="output_lambda_alias_invoke_arn"></a> [lambda\_alias\_invoke\_arn](#output\_lambda\_alias\_invoke\_arn) | The ARN to be used for invoking Lambda Function from API Gateway |
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| <a name="output_lambda_alias_name"></a> [lambda\_alias\_name](#output\_lambda\_alias\_name) | The name of the Lambda Function Alias |

‎examples/alias/main.tf‎

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@@ -13,6 +13,13 @@ resource "random_pet" "this" {
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length = 2
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}
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module "sqs_events" {
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source = "terraform-aws-modules/sqs/aws"
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version = "~> 3.0"
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name = "${random_pet.this.id}-events"
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}
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module "lambda_function" {
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source = "../../"
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provisioned_concurrent_executions = 1
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attach_policies = true
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policies = [
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"arn:aws:iam::aws:policy/service-role/AWSLambdaSQSQueueExecutionRole",
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]
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number_of_policies = 1
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allowed_triggers = {
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APIGatewayAny = {
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service = "apigateway"
@@ -60,6 +73,13 @@ module "alias_no_refresh" {
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# create_async_event_config = true
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# maximum_event_age_in_seconds = 130
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event_source_mapping = {
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sqs = {
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service = "sqs"
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event_source_arn = module.sqs_events.sqs_queue_arn
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}
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}
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allowed_triggers = {
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AnotherAPIGatewayAny = { # keys should be unique
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service = "apigateway"
@@ -92,6 +112,13 @@ module "alias_existing" {
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create_async_event_config = true
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maximum_event_age_in_seconds = 100
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event_source_mapping = {
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sqs = {
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service = "sqs"
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event_source_arn = module.sqs_events.sqs_queue_arn
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}
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}
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allowed_triggers = {
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ThirdAPIGatewayAny = {
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service = "apigateway"

‎examples/alias/outputs.tf‎

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@@ -119,3 +119,23 @@ output "lambda_alias_function_version" {
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description = "Lambda function version which the alias uses"
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value = module.alias_refresh.lambda_alias_function_version
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}
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output "lambda_alias_event_source_mapping_function_arn" {
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description = "The the ARN of the Lambda function the event source mapping is sending events to"
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value = module.alias_no_refresh.lambda_alias_event_source_mapping_function_arn
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}
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output "lambda_alias_event_source_mapping_state" {
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description = "The state of the event source mapping"
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value = module.alias_no_refresh.lambda_alias_event_source_mapping_state
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}
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output "lambda_alias_event_source_mapping_state_transition_reason" {
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description = "The reason the event source mapping is in its current state"
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value = module.alias_no_refresh.lambda_alias_event_source_mapping_state_transition_reason
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}
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output "lambda_alias_event_source_mapping_uuid" {
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description = "The UUID of the created event source mapping"
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value = module.alias_no_refresh.lambda_alias_event_source_mapping_uuid
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}

‎modules/alias/README.md‎

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@@ -134,6 +134,7 @@ No modules.
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|------|------|
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| [aws_lambda_alias.no_refresh](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lambda_alias) | resource |
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| [aws_lambda_alias.with_refresh](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lambda_alias) | resource |
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| [aws_lambda_event_source_mapping.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lambda_event_source_mapping) | resource |
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| [aws_lambda_function_event_invoke_config.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lambda_function_event_invoke_config) | resource |
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| [aws_lambda_permission.qualified_alias_triggers](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lambda_permission) | resource |
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| [aws_lambda_permission.version_triggers](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lambda_permission) | resource |
@@ -153,6 +154,7 @@ No modules.
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| <a name="input_description"></a> [description](#input\_description) | Description of the alias. | `string` | `""` | no |
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| <a name="input_destination_on_failure"></a> [destination\_on\_failure](#input\_destination\_on\_failure) | Amazon Resource Name (ARN) of the destination resource for failed asynchronous invocations | `string` | `null` | no |
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| <a name="input_destination_on_success"></a> [destination\_on\_success](#input\_destination\_on\_success) | Amazon Resource Name (ARN) of the destination resource for successful asynchronous invocations | `string` | `null` | no |
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| <a name="input_event_source_mapping"></a> [event\_source\_mapping](#input\_event\_source\_mapping) | Map of event source mapping | `any` | `{}` | no |
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| <a name="input_function_name"></a> [function\_name](#input\_function\_name) | The function ARN of the Lambda function for which you want to create an alias. | `string` | `""` | no |
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| <a name="input_function_version"></a> [function\_version](#input\_function\_version) | Lambda function version for which you are creating the alias. Pattern: ($LATEST\|[0-9]+). | `string` | `""` | no |
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| <a name="input_maximum_event_age_in_seconds"></a> [maximum\_event\_age\_in\_seconds](#input\_maximum\_event\_age\_in\_seconds) | Maximum age of a request that Lambda sends to a function for processing in seconds. Valid values between 60 and 21600. | `number` | `null` | no |
@@ -168,6 +170,10 @@ No modules.
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|------|-------------|
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| <a name="output_lambda_alias_arn"></a> [lambda\_alias\_arn](#output\_lambda\_alias\_arn) | The ARN of the Lambda Function Alias |
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| <a name="output_lambda_alias_description"></a> [lambda\_alias\_description](#output\_lambda\_alias\_description) | Description of alias |
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| <a name="output_lambda_alias_event_source_mapping_function_arn"></a> [lambda\_alias\_event\_source\_mapping\_function\_arn](#output\_lambda\_alias\_event\_source\_mapping\_function\_arn) | The the ARN of the Lambda function the event source mapping is sending events to |
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| <a name="output_lambda_alias_event_source_mapping_state"></a> [lambda\_alias\_event\_source\_mapping\_state](#output\_lambda\_alias\_event\_source\_mapping\_state) | The state of the event source mapping |
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| <a name="output_lambda_alias_event_source_mapping_state_transition_reason"></a> [lambda\_alias\_event\_source\_mapping\_state\_transition\_reason](#output\_lambda\_alias\_event\_source\_mapping\_state\_transition\_reason) | The reason the event source mapping is in its current state |
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| <a name="output_lambda_alias_event_source_mapping_uuid"></a> [lambda\_alias\_event\_source\_mapping\_uuid](#output\_lambda\_alias\_event\_source\_mapping\_uuid) | The UUID of the created event source mapping |
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| <a name="output_lambda_alias_function_version"></a> [lambda\_alias\_function\_version](#output\_lambda\_alias\_function\_version) | Lambda function version which the alias uses |
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| <a name="output_lambda_alias_invoke_arn"></a> [lambda\_alias\_invoke\_arn](#output\_lambda\_alias\_invoke\_arn) | The ARN to be used for invoking Lambda Function from API Gateway |
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| <a name="output_lambda_alias_name"></a> [lambda\_alias\_name](#output\_lambda\_alias\_name) | The name of the Lambda Function Alias |

‎modules/alias/main.tf‎

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@@ -1,4 +1,5 @@
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locals {
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alias_arn = try(data.aws_lambda_alias.existing[0].arn, aws_lambda_alias.no_refresh[0].arn, aws_lambda_alias.with_refresh[0].arn, "")
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version = try(data.aws_lambda_alias.existing[0].function_version, aws_lambda_alias.with_refresh[0].function_version, aws_lambda_alias.no_refresh[0].function_version, "")
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qualifiers = zipmap(["version", "qualified_alias"], [var.create_version_async_event_config ? true : null, var.create_qualified_alias_async_event_config ? true : null])
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}
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source_account = try(each.value.source_account, null)
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event_source_token = try(each.value.event_source_token, null)
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}
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resource "aws_lambda_event_source_mapping" "this" {
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for_each = { for k, v in var.event_source_mapping : k => v if var.create }
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function_name = local.alias_arn
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event_source_arn = try(each.value.event_source_arn, null)
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batch_size = try(each.value.batch_size, null)
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maximum_batching_window_in_seconds = try(each.value.maximum_batching_window_in_seconds, null)
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enabled = try(each.value.enabled, null)
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starting_position = try(each.value.starting_position, null)
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starting_position_timestamp = try(each.value.starting_position_timestamp, null)
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parallelization_factor = try(each.value.parallelization_factor, null)
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maximum_retry_attempts = try(each.value.maximum_retry_attempts, null)
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maximum_record_age_in_seconds = try(each.value.maximum_record_age_in_seconds, null)
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bisect_batch_on_function_error = try(each.value.bisect_batch_on_function_error, null)
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topics = try(each.value.topics, null)
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queues = try(each.value.queues, null)
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function_response_types = try(each.value.function_response_types, null)
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dynamic "destination_config" {
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for_each = try(each.value.destination_arn_on_failure, null) != null ? [true] : []
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content {
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on_failure {
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destination_arn = each.value["destination_arn_on_failure"]
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}
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}
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}
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dynamic "self_managed_event_source" {
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for_each = try(each.value.self_managed_event_source, [])
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content {
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endpoints = self_managed_event_source.value.endpoints
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}
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}
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dynamic "source_access_configuration" {
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for_each = try(each.value.source_access_configuration, [])
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content {
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type = source_access_configuration.value["type"]
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uri = source_access_configuration.value["uri"]
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}
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}
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dynamic "filter_criteria" {
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for_each = try(each.value.filter_criteria, null) != null ? [true] : []
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content {
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filter {
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pattern = try(each.value["filter_criteria"].pattern, null)
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}
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}
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}
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}

‎modules/alias/outputs.tf‎

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@@ -23,3 +23,23 @@ output "lambda_alias_function_version" {
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description = "Lambda function version which the alias uses"
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value = try(data.aws_lambda_alias.existing[0].function_version, aws_lambda_alias.with_refresh[0].function_version, aws_lambda_alias.no_refresh[0].function_version, "")
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}
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output "lambda_alias_event_source_mapping_function_arn" {
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description = "The the ARN of the Lambda function the event source mapping is sending events to"
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value = { for k, v in aws_lambda_event_source_mapping.this : k => v.function_arn }
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}
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output "lambda_alias_event_source_mapping_state" {
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description = "The state of the event source mapping"
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value = { for k, v in aws_lambda_event_source_mapping.this : k => v.state }
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}
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output "lambda_alias_event_source_mapping_state_transition_reason" {
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description = "The reason the event source mapping is in its current state"
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value = { for k, v in aws_lambda_event_source_mapping.this : k => v.state_transition_reason }
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}
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output "lambda_alias_event_source_mapping_uuid" {
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description = "The UUID of the created event source mapping"
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value = { for k, v in aws_lambda_event_source_mapping.this : k => v.uuid }
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}

‎modules/alias/variables.tf‎

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type = map(any)
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default = {}
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}
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############################################
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# Lambda Event Source Mapping
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############################################
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variable "event_source_mapping" {
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description = "Map of event source mapping"
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type = any
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default = {}
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}

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