CCM-12770: Splunk log sending mandatory

Author: sidnhs

infrastructure/modules/lambda/README.md

@@ -35,17 +35,18 @@
 | <a name="input_lambda_dlq_message_retention_seconds"></a> [lambda\_dlq\_message\_retention\_seconds](#input\_lambda\_dlq\_message\_retention\_seconds) | The number of seconds to retain messages in the Lambda DLQ SQS queue | `number` | `1209600` | no |
 | <a name="input_lambda_env_vars"></a> [lambda\_env\_vars](#input\_lambda\_env\_vars) | Lambda environment parameters map | `map(string)` | `{}` | no |
 | <a name="input_layers"></a> [layers](#input\_layers) | Lambda layer arns to include | `list(any)` | `[]` | no |
-| <a name="input_log_destination_arn"></a> [log\_destination\_arn](#input\_log\_destination\_arn) | Destination ARN to use for the log subscription filter | `string` | n/a | yes |
+| <a name="input_log_destination_arn"></a> [log\_destination\_arn](#input\_log\_destination\_arn) | Destination ARN to use for the log subscription filter | `string` | `""` | no |
 | <a name="input_log_level"></a> [log\_level](#input\_log\_level) | The log level to be used in lambda functions within the component. Any log with a lower severity than the configured value will not be logged: https://docs.python.org/3/library/logging.html#levels | `string` | `"INFO"` | no |
 | <a name="input_log_retention_in_days"></a> [log\_retention\_in\_days](#input\_log\_retention\_in\_days) | The retention period in days for the Cloudwatch Logs events generated by the lambda function | `number` | n/a | yes |
 | <a name="input_log_subscription_lambda_create_permission"></a> [log\_subscription\_lambda\_create\_permission](#input\_log\_subscription\_lambda\_create\_permission) | Whether to create a permission for the log forwarder. Set to false if using a generic one. | `bool` | `true` | no |
-| <a name="input_log_subscription_role_arn"></a> [log\_subscription\_role\_arn](#input\_log\_subscription\_role\_arn) | The ARN of the IAM role to use for the log subscription filter | `string` | n/a | yes |
+| <a name="input_log_subscription_role_arn"></a> [log\_subscription\_role\_arn](#input\_log\_subscription\_role\_arn) | The ARN of the IAM role to use for the log subscription filter | `string` | `""` | no |
 | <a name="input_memory"></a> [memory](#input\_memory) | The amount of memory to apply to the created Lambda | `number` | n/a | yes |
 | <a name="input_permission_statements"></a> [permission\_statements](#input\_permission\_statements) | Statements giving an external source permission to invoke the Lambda function | <pre>list(object({<br/>    action         = optional(string)<br/>    principal      = string<br/>    source_arn     = optional(string)<br/>    source_account = optional(string)<br/>    statement_id   = string<br/>  }))</pre> | `[]` | no |
 | <a name="input_project"></a> [project](#input\_project) | The name of the tfscaffold project | `string` | n/a | yes |
 | <a name="input_region"></a> [region](#input\_region) | The AWS Region | `string` | n/a | yes |
 | <a name="input_runtime"></a> [runtime](#input\_runtime) | The runtime to use for the lambda function | `string` | n/a | yes |
 | <a name="input_schedule"></a> [schedule](#input\_schedule) | The fully qualified Cloudwatch Events schedule for when to run the lambda function, e.g. rate(1 day) or a cron() expression. Default disables all events resources | `string` | `""` | no |
+| <a name="input_send_to_firehose"></a> [send\_to\_firehose](#input\_send\_to\_firehose) | Enable sending logs to firehose | `bool` | `true` | no |
 | <a name="input_sns_destination"></a> [sns\_destination](#input\_sns\_destination) | SNS Topic ARN to be used for on-failure Lambda invocation records | `string` | `null` | no |
 | <a name="input_sns_destination_kms_key"></a> [sns\_destination\_kms\_key](#input\_sns\_destination\_kms\_key) | KMS Key ARN to be used for SNS Topic for on-failure Lambda invocation records | `string` | `null` | no |
 | <a name="input_system_log_level"></a> [system\_log\_level](#input\_system\_log\_level) | The detail level of the Lambda platform event logs sent to CloudWatch | `string` | `"WARN"` | no |