Rename datadog-aws-integration component to datadog-integration (cloudposse/terraform-aws-components#294)

Author: aknysh

src/context.tf

@@ -0,0 +1,167 @@
+#
+# ONLY EDIT THIS FILE IN github.com/cloudposse/terraform-null-label
+# All other instances of this file should be a copy of that one
+#
+#
+# Copy this file from https://github.com/cloudposse/terraform-null-label/blob/master/exports/context.tf
+# and then place it in your Terraform module to automatically get
+# Cloud Posse's standard configuration inputs suitable for passing
+# to Cloud Posse modules.
+#
+# Modules should access the whole context as `module.this.context`
+# to get the input variables with nulls for defaults,
+# for example `context = module.this.context`,
+# and access individual variables as `module.this.<var>`,
+# with final values filled in.
+#
+# For example, when using defaults, `module.this.context.delimiter`
+# will be null, and `module.this.delimiter` will be `-` (hyphen).
+#
+
+module "this" {
+  source = "git::https://github.com/cloudposse/terraform-null-label.git?ref=tags/0.21.0"
+
+  enabled             = var.enabled
+  namespace           = var.namespace
+  environment         = var.environment
+  stage               = var.stage
+  name                = var.name
+  delimiter           = var.delimiter
+  attributes          = var.attributes
+  tags                = var.tags
+  additional_tag_map  = var.additional_tag_map
+  label_order         = var.label_order
+  regex_replace_chars = var.regex_replace_chars
+  id_length_limit     = var.id_length_limit
+
+  context = var.context
+}
+
+# Copy contents of cloudposse/terraform-null-label/variables.tf here
+
+variable "context" {
+  type = object({
+    enabled             = bool
+    namespace           = string
+    environment         = string
+    stage               = string
+    name                = string
+    delimiter           = string
+    attributes          = list(string)
+    tags                = map(string)
+    additional_tag_map  = map(string)
+    regex_replace_chars = string
+    label_order         = list(string)
+    id_length_limit     = number
+  })
+  default = {
+    enabled             = true
+    namespace           = null
+    environment         = null
+    stage               = null
+    name                = null
+    delimiter           = null
+    attributes          = []
+    tags                = {}
+    additional_tag_map  = {}
+    regex_replace_chars = null
+    label_order         = []
+    id_length_limit     = null
+  }
+  description = <<-EOT
+    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.
+  EOT
+}
+
+variable "enabled" {
+  type        = bool
+  default     = null
+  description = "Set to false to prevent the module from creating any resources"
+}
+
+variable "namespace" {
+  type        = string
+  default     = null
+  description = "Namespace, which could be your organization name or abbreviation, e.g. 'eg' or 'cp'"
+}
+
+variable "environment" {
+  type        = string
+  default     = null
+  description = "Environment, e.g. 'uw2', 'us-west-2', OR 'prod', 'staging', 'dev', 'UAT'"
+}
+
+variable "stage" {
+  type        = string
+  default     = null
+  description = "Stage, e.g. 'prod', 'staging', 'dev', OR 'source', 'build', 'test', 'deploy', 'release'"
+}
+
+variable "name" {
+  type        = string
+  default     = null
+  description = "Solution name, e.g. 'app' or 'jenkins'"
+}
+
+variable "delimiter" {
+  type        = string
+  default     = null
+  description = <<-EOT
+    Delimiter to be used between `namespace`, `environment`, `stage`, `name` and `attributes`.
+    Defaults to `-` (hyphen). Set to `""` to use no delimiter at all.
+  EOT
+}
+
+variable "attributes" {
+  type        = list(string)
+  default     = []
+  description = "Additional attributes (e.g. `1`)"
+}
+
+variable "tags" {
+  type        = map(string)
+  default     = {}
+  description = "Additional tags (e.g. `map('BusinessUnit','XYZ')`"
+}
+
+variable "additional_tag_map" {
+  type        = map(string)
+  default     = {}
+  description = "Additional tags for appending to tags_as_list_of_maps. Not added to `tags`."
+}
+
+variable "label_order" {
+  type        = list(string)
+  default     = null
+  description = <<-EOT
+    The naming order of the id output and Name tag.
+    Defaults to ["namespace", "environment", "stage", "name", "attributes"].
+    You can omit any of the 5 elements, but at least one must be present.
+  EOT
+}
+
+variable "regex_replace_chars" {
+  type        = string
+  default     = null
+  description = <<-EOT
+    Regex to replace chars with empty string in `namespace`, `environment`, `stage` and `name`.
+    If not set, `"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens, letters and digits.
+  EOT
+}
+
+variable "id_length_limit" {
+  type        = number
+  default     = null
+  description = <<-EOT
+    Limit `id` to this many characters.
+    Set to `0` for unlimited length.
+    Set to `null` for default, which is `0`.
+    Does not affect `id_full`.
+  EOT
+}
+
+#### End of copy of cloudposse/terraform-null-label/variables.tf

src/default.auto.tfvars

@@ -0,0 +1,3 @@
+# This file is included by default in terraform plans
+
+enabled = true

src/main.tf

@@ -0,0 +1,12 @@
+module "datadog_integration" {
+  source = "git::https://github.com/cloudposse/terraform-aws-datadog-integration.git?ref=tags/0.6.1"
+
+  datadog_aws_account_id           = var.datadog_aws_account_id
+  integrations                     = var.integrations
+  filter_tags                      = var.filter_tags
+  host_tags                        = var.host_tags
+  excluded_regions                 = var.excluded_regions
+  account_specific_namespace_rules = var.account_specific_namespace_rules
+
+  context = module.this.context
+}

src/outputs.tf

@@ -0,0 +1,14 @@
+output "aws_account_id" {
+  value       = module.datadog_integration.aws_account_id
+  description = "AWS Account ID of the IAM Role for the Datadog integration"
+}
+
+output "aws_role_name" {
+  value       = module.datadog_integration.aws_role_name
+  description = "Name of the AWS IAM Role for the Datadog integration"
+}
+
+output "datadog_external_id" {
+  value       = module.datadog_integration.datadog_external_id
+  description = "Datadog integration external ID"
+}

src/providers.tf

@@ -0,0 +1,26 @@
+provider "datadog" {
+  api_key = data.aws_ssm_parameter.datadog_api_key.value
+  app_key = data.aws_ssm_parameter.datadog_app_key.value
+}
+
+provider "aws" {
+  region = var.region
+
+  assume_role {
+    # `terraform import` will not use data from a data source,
+    # so on import we have to explicitly specify the role
+    role_arn = coalesce(var.import_role_arn, module.iam_roles.terraform_role_arn)
+  }
+}
+
+module "iam_roles" {
+  source = "../account-map/modules/iam-roles"
+  stage  = var.stage
+  region = var.region
+}
+
+variable "import_role_arn" {
+  type        = string
+  default     = null
+  description = "IAM Role ARN to use when importing a resource"
+}

src/ssm.tf

@@ -0,0 +1,16 @@
+data "aws_ssm_parameter" "datadog_api_key" {
+  name            = format(var.ssm_parameter_name_format, var.ssm_path, "datadog_api_key")
+  with_decryption = true
+}
+
+data "aws_ssm_parameter" "datadog_app_key" {
+  name            = format(var.ssm_parameter_name_format, var.ssm_path, "datadog_app_key")
+  with_decryption = true
+}
+
+resource "aws_ssm_parameter" "datadog_aws_iam_role_name" {
+  name        = format(var.ssm_parameter_name_format, var.ssm_path, "datadog_aws_iam_role_name")
+  description = "Name of the AWS IAM Role for Datadog to use for the integration"
+  value       = module.datadog_integration.aws_role_name
+  type        = "String"
+}

src/variables.tf

@@ -0,0 +1,52 @@
+variable "region" {
+  type        = string
+  description = "AWS Region"
+}
+
+variable "datadog_aws_account_id" {
+  type        = string
+  description = "The AWS account ID Datadog's integration servers use for all integrations"
+  default     = "464622532012"
+}
+
+variable "integrations" {
+  type        = list(string)
+  description = "List of AWS permission names to apply for different integrations (e.g. 'all', 'core')"
+  default     = ["all"]
+}
+
+variable "filter_tags" {
+  type        = list(string)
+  description = "An array of EC2 tags (in the form `key:value`) that defines a filter that Datadog use when collecting metrics from EC2. Wildcards, such as ? (for single characters) and * (for multiple characters) can also be used"
+  default     = null
+}
+
+variable "host_tags" {
+  type        = list(string)
+  description = "An array of tags (in the form `key:value`) to add to all hosts and metrics reporting through this integration"
+  default     = []
+}
+
+variable "excluded_regions" {
+  type        = list(string)
+  description = "An array of AWS regions to exclude from metrics collection"
+  default     = []
+}
+
+variable "account_specific_namespace_rules" {
+  type        = map(string)
+  description = "An object, (in the form {\"namespace1\":true/false, \"namespace2\":true/false} ), that enables or disables metric collection for specific AWS namespaces for this AWS account only"
+  default     = {}
+}
+
+variable "ssm_parameter_name_format" {
+  type        = string
+  default     = "/%s/%s"
+  description = "SSM parameter name format"
+}
+
+variable "ssm_path" {
+  type        = string
+  default     = "datadog"
+  description = "SSM path"
+}

src/versions.tf

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+terraform {
+  required_version = ">= 0.12"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = ">= 2.0"
+    }
+    template = {
+      source  = "hashicorp/template"
+      version = ">= 2.0"
+    }
+    local = {
+      source  = "hashicorp/local"
+      version = ">= 1.3"
+    }
+    datadog = {
+      source  = "DataDog/datadog"
+      version = ">= 2.15.0"
+    }
+  }
+}