terraform-aws-health-events

This module creates EventBridge (formerly CloudWatch Events) rules for AWS Personal Health Dashboard Events and an SNS topic. EventBridge will publish messages to this SNS topic, which can be subcribed to using this module as well. Since AWS Personal Health Dashboard is a global service, but since the KMS key and SNS topic are regional, this module is technically regional but only needs to be deployed once per account.

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It's 100% Open Source and licensed under the APACHE2.

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Security & Compliance

Security scanning is graciously provided by Bridgecrew. Bridgecrew is the leading fully hosted, cloud-native solution providing continuous Terraform security and compliance.

Benchmark	Description
	Infrastructure Security Compliance
	Center for Internet Security, KUBERNETES Compliance
	Center for Internet Security, AWS Compliance
	Center for Internet Security, AZURE Compliance
	Payment Card Industry Data Security Standards Compliance
	National Institute of Standards and Technology Compliance
	Information Security Management System, ISO/IEC 27001 Compliance
	Service Organization Control 2 Compliance
	Center for Internet Security, GCP Compliance
	Health Insurance Portability and Accountability Compliance

Usage

IMPORTANT: We do not pin modules to versions in our examples because of the difficulty of keeping the versions in the documentation in sync with the latest released versions. We highly recommend that in your code you pin the version to the exact version you are using so that your infrastructure remains stable, and update versions in a systematic way so that they do not catch you by surprise.

Also, because of a bug in the Terraform registry (hashicorp/terraform#21417), the registry shows many of our inputs as required when in fact they are optional. The table below correctly indicates which inputs are required.

For a complete example, see examples/complete.

For automated tests of the complete example using bats and Terratest (which tests and deploys the example on AWS), see test.

Here's how to invoke this module in your projects:

module "monitor_yaml_config" {
  source  = "cloudposse/config/yaml"
  # Cloud Posse recommends pinning every module to a specific version
  # version     = "x.x.x"

  map_config_local_base_path = path.module
  map_config_paths           = ["catalog/event_rules/*.yaml"]

  context = module.this.context
}

module "health_events" {
  source = "cloudposse/health-events/aws"
  # Cloud Posse recommends pinning every module to a specific version
  # version     = "x.x.x"

  event_rules = module.event_rules_yaml_config.list_configs
  subscribers = {
    opsgenie = {
      protocol               = "https"
      endpoint               = "https://api.example.com/v1/"
      endpoint_auto_confirms = true
      raw_message_delivery   = false
    }
  }

  context = module.this.context
}

Examples

Here is an example of using this module:

examples/complete - complete example of using this module

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Requirements

Name	Version
terraform	>= 0.13.0
aws	>= 2.0

Providers

Name	Version
aws	>= 2.0

Modules

Name	Source	Version
health_events_label	cloudposse/label/null	0.25.0
sns_kms_key	cloudposse/kms-key/aws	0.12.1
sns_topic	cloudposse/sns-topic/aws	0.20.1
this	cloudposse/label/null	0.25.0

Resources

Name	Type
aws_cloudwatch_event_rule.health_events	resource
aws_cloudwatch_event_target.sns	resource
aws_caller_identity.this	data source
aws_iam_policy_document.sns_kms_key_policy	data source

Inputs

Name	Description	Type	Default	Required
additional_tag_map	Additional key-value pairs to add to each map in `tags_as_list_of_maps`. Not added to `tags` or `id`. This is for some rare cases where resources want additional configuration of tags and therefore take a list of maps with tag key, value, and additional configuration.	`map(string)`	`{}`	no
attributes	ID element. Additional attributes (e.g. `workers` or `cluster`) to add to `id`, in the order they appear in the list. New attributes are appended to the end of the list. The elements of the list are joined by the `delimiter` and treated as a single ID element.	`list(string)`	`[]`	no
context	Single object for setting entire context at once. See description of individual variables for details. Leave string and numeric variables as `null` to use default value. Individual variable settings (non-null) override settings in context object, except for attributes, tags, and additional_tag_map, which are merged.	`any`	{ "additional_tag_map": {}, "attributes": [], "delimiter": null, "descriptor_formats": {}, "enabled": true, "environment": null, "id_length_limit": null, "label_key_case": null, "label_order": [], "label_value_case": null, "labels_as_tags": [ "unset" ], "name": null, "namespace": null, "regex_replace_chars": null, "stage": null, "tags": {}, "tenant": null }	no
delimiter	Delimiter to be used between ID elements. Defaults to `-` (hyphen). Set to `""` to use no delimiter at all.	`string`	`null`	no
descriptor_formats	Describe additional descriptors to be output in the `descriptors` output map. Map of maps. Keys are names of descriptors. Values are maps of the form `{<br> format = string<br> labels = list(string)<br>}` (Type is `any` so the map values can later be enhanced to provide additional options.) `format` is a Terraform format string to be passed to the `format()` function. `labels` is a list of labels, in order, to pass to `format()` function. Label values will be normalized before being passed to `format()` so they will be identical to how they appear in `id`. Default is `{}` (`descriptors` output will be empty).	`any`	`{}`	no
enabled	Set to false to prevent the module from creating any resources	`bool`	`null`	no
environment	ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT'	`string`	`null`	no
event_rules	A list of Event Rules to use when creating EventBridge Rules for the AWS Personal Health Service. name: The base name of the Event Rule (final name will be used in tandem with context attributes) description: The description to use for the Event Rule event_rule_pattern: The Event Rule Pattern to use when creating the Event Rule. For more information, see: https://docs.aws.amazon.com/eventbridge/latest/userguide/eb-events.html	list(object({ name = string description = string event_rule_pattern = object({ detail = object({ service = string event_type_category = string event_type_codes = list(string) }) }) }))	n/a	yes
id_length_limit	Limit `id` to this many characters (minimum 6). Set to `0` for unlimited length. Set to `null` for keep the existing setting, which defaults to `0`. Does not affect `id_full`.	`number`	`null`	no
kms_master_key_id	The ID or alias of the customer master key (CMK) to use for encrypting the Amazon SNS topic. The CMK must have its resource-based policy allow the service `cloudwatch.amazonaws.com` to perform `kms:Decrypt` and `kms:GenerateDataKey` on it. If this variable is not supplied, a CMK with the sufficient resource-based policy will be created and used when configuring encryption for the SNS topic.	`string`	`null`	no
label_key_case	Controls the letter case of the `tags` keys (label names) for tags generated by this module. Does not affect keys of tags passed in via the `tags` input. Possible values: `lower`, `title`, `upper`. Default value: `title`.	`string`	`null`	no
label_order	The order in which the labels (ID elements) appear in the `id`. Defaults to ["namespace", "environment", "stage", "name", "attributes"]. You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present.	`list(string)`	`null`	no
label_value_case	Controls the letter case of ID elements (labels) as included in `id`, set as tag values, and output by this module individually. Does not affect values of tags passed in via the `tags` input. Possible values: `lower`, `title`, `upper` and `none` (no transformation). Set this to `title` and set `delimiter` to `""` to yield Pascal Case IDs. Default value: `lower`.	`string`	`null`	no
labels_as_tags	Set of labels (ID elements) to include as tags in the `tags` output. Default is to include all labels. Tags with empty values will not be included in the `tags` output. Set to `[]` to suppress all generated tags. Notes: The value of the `name` tag, if included, will be the `id`, not the `name`. Unlike other `null-label` inputs, the initial setting of `labels_as_tags` cannot be changed in later chained modules. Attempts to change it will be silently ignored.	`set(string)`	[ "default" ]	no
name	ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'. This is the only ID element not also included as a `tag`. The "name" tag is set to the full `id` string. There is no tag with the value of the `name` input.	`string`	`null`	no
namespace	ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique	`string`	`null`	no
regex_replace_chars	Terraform regular expression (regex) string. Characters matching the regex will be removed from the ID elements. If not set, `"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens, letters and digits.	`string`	`null`	no
stage	ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release'	`string`	`null`	no
subscribers	Required configuration for subscribers to SNS topic.	map(object({ protocol = string # The protocol to use. The possible values for this are: sqs, sms, lambda, application. (http or https are partially supported, see below) (email is an option but is unsupported, see below). endpoint = string # The endpoint to send data to, the contents will vary with the protocol. (see below for more information) endpoint_auto_confirms = bool # Boolean indicating whether the end point is capable of auto confirming subscription e.g., PagerDuty (default is false) raw_message_delivery = bool # Boolean indicating whether or not to enable raw message delivery (the original message is directly passed, not wrapped in JSON with the original message in the message property) (default is false) }))	`{}`	no
tags	Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`). Neither the tag keys nor the tag values will be modified by this module.	`map(string)`	`{}`	no
tenant	ID element _(Rarely used, not included by default)_. A customer identifier, indicating who this instance of a resource is for	`string`	`null`	no

Outputs

Name	Description
event_rule_arns	The ARNs of the created EventBridge Rules.
event_rule_names	The names of the created EventBridge Rules.

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Related Projects

Check out these related projects.

terraform-null-label - Terraform module designed to generate consistent names and tags for resources. Use terraform-null-label to implement a strict naming convention.

References

For additional context, refer to some of these links.

Terraform Standard Module Structure - HashiCorp's standard module structure is a file and directory layout we recommend for reusable modules distributed in separate repositories.
Terraform Module Requirements - HashiCorp's guidance on all the requirements for publishing a module. Meeting the requirements for publishing a module is extremely easy.
Terraform random_integer Resource - The resource random_integer generates random values from a given range, described by the min and max attributes of a given resource.
Terraform Version Pinning - The required_version setting can be used to constrain which versions of the Terraform CLI can be used with your configuration

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Copyrights

License

See LICENSE for full details.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
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KIND, either express or implied.  See the License for the
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Contributors

Yonatan Koren

cloudposse / terraform-aws-health-events

terraform-aws-health-events

Security & Compliance

Usage

Examples

Makefile Targets

Requirements

Providers

Modules

Resources

Inputs

Outputs

Share the Love

Related Projects

References

Help

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