From 23ebe564de88f1100a58b57db6516d339015a9c0 Mon Sep 17 00:00:00 2001 From: BGarber42 Date: Thu, 5 Aug 2021 03:00:06 -0400 Subject: [PATCH 1/4] Update main.tf Disable embedded keypair if we're passing one in. --- main.tf | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/main.tf b/main.tf index b8d0a1b..c376e88 100644 --- a/main.tf +++ b/main.tf @@ -128,10 +128,11 @@ resource "aws_instance" "default" { module "ssh_key_pair" { source = "cloudposse/key-pair/aws" - version = "0.18.0" + version = "0.18.1" ssh_public_key_path = local.ssh_key_pair_path private_key_extension = ".pem" generate_ssh_key = var.generate_ssh_key_pair + enabled = signum(length(var.ssh_key_pair)) == 1 && !var.generate_ssh_key_pair ? false : true context = module.this.context } From c63b58260da00629b10b62d293509121c9bdec46 Mon Sep 17 00:00:00 2001 From: cloudpossebot <11232728+cloudpossebot@users.noreply.github.com> Date: Thu, 5 Aug 2021 07:20:00 +0000 Subject: [PATCH 2/4] Auto Format --- README.md | 2 +- docs/terraform.md | 2 +- main.tf | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/README.md b/README.md index 839b7e7..a90fcba 100644 --- a/README.md +++ b/README.md @@ -241,7 +241,7 @@ Available targets: |------|--------|---------| | [label](#module\_label) | cloudposse/label/null | 0.24.1 | | [security\_group](#module\_security\_group) | cloudposse/security-group/aws | 0.3.1 | -| [ssh\_key\_pair](#module\_ssh\_key\_pair) | cloudposse/key-pair/aws | 0.18.0 | +| [ssh\_key\_pair](#module\_ssh\_key\_pair) | cloudposse/key-pair/aws | 0.18.1 | | [this](#module\_this) | cloudposse/label/null | 0.24.1 | ## Resources diff --git a/docs/terraform.md b/docs/terraform.md index fd58a0b..543a77a 100644 --- a/docs/terraform.md +++ b/docs/terraform.md @@ -18,7 +18,7 @@ |------|--------|---------| | [label](#module\_label) | cloudposse/label/null | 0.24.1 | | [security\_group](#module\_security\_group) | cloudposse/security-group/aws | 0.3.1 | -| [ssh\_key\_pair](#module\_ssh\_key\_pair) | cloudposse/key-pair/aws | 0.18.0 | +| [ssh\_key\_pair](#module\_ssh\_key\_pair) | cloudposse/key-pair/aws | 0.18.1 | | [this](#module\_this) | cloudposse/label/null | 0.24.1 | ## Resources diff --git a/main.tf b/main.tf index c376e88..ee26d46 100644 --- a/main.tf +++ b/main.tf @@ -132,7 +132,7 @@ module "ssh_key_pair" { ssh_public_key_path = local.ssh_key_pair_path private_key_extension = ".pem" generate_ssh_key = var.generate_ssh_key_pair - enabled = signum(length(var.ssh_key_pair)) == 1 && !var.generate_ssh_key_pair ? false : true + enabled = signum(length(var.ssh_key_pair)) == 1 && ! var.generate_ssh_key_pair ? false : true context = module.this.context } From 56b2e1c99fedde7e5718f128e1ae33d5c60bc8ca Mon Sep 17 00:00:00 2001 From: nitrocode Date: Thu, 5 Aug 2021 08:45:04 -0400 Subject: [PATCH 3/4] Update main.tf --- main.tf | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/main.tf b/main.tf index ee26d46..008e6b2 100644 --- a/main.tf +++ b/main.tf @@ -132,7 +132,7 @@ module "ssh_key_pair" { ssh_public_key_path = local.ssh_key_pair_path private_key_extension = ".pem" generate_ssh_key = var.generate_ssh_key_pair - enabled = signum(length(var.ssh_key_pair)) == 1 && ! var.generate_ssh_key_pair ? false : true + enabled = try(length(var.ssh_key_pair), 0) == 0 || var.generate_ssh_key_pair context = module.this.context } From 6ccc0d71b03ee7c3357c72f66e8ea7a54ed46f5a Mon Sep 17 00:00:00 2001 From: cloudpossebot <11232728+cloudpossebot@users.noreply.github.com> Date: Thu, 21 Oct 2021 19:58:53 +0000 Subject: [PATCH 4/4] Auto Format --- README.md | 566 ++++++++++++++++++++++++++++++++++++++++++++++ docs/terraform.md | 139 ++++++++++++ 2 files changed, 705 insertions(+) diff --git a/README.md b/README.md index e69de29..2416d05 100644 --- a/README.md +++ b/README.md @@ -0,0 +1,566 @@ + + +# terraform-aws-ec2-instance-group [![Latest Release](https://img.shields.io/github/release/cloudposse/terraform-aws-ec2-instance-group.svg)](https://github.com/cloudposse/terraform-aws-ec2-instance-group/releases/latest) [![Slack Community](https://slack.cloudposse.com/badge.svg)](https://slack.cloudposse.com) + + +[![README Header][readme_header_img]][readme_header_link] + +[![Cloud Posse][logo]](https://cpco.io/homepage) + + + +Terraform Module for providing N general purpose EC2 hosts. + +If you only need to provision a single EC2 instance, consider using the [terraform-aws-ec2-instance](https://github.com/cloudposse/terraform-aws-ec2-instance) module instead. + +**IMPORTANT** This module by-design does not provision an AutoScaling group. It was designed to provision a discrete number of instances suitable for running stateful services such as databases (e.g. Kafka, Redis, etc). + + +Included features: +* Automatically create a Security Group +* Option to switch EIP attachment +* CloudWatch monitoring and automatic reboot if instance hangs +* Assume Role capability + +--- + +This project is part of our comprehensive ["SweetOps"](https://cpco.io/sweetops) approach towards DevOps. +[][share_email] +[][share_googleplus] +[][share_facebook] +[][share_reddit] +[][share_linkedin] +[][share_twitter] + + +[![Terraform Open Source Modules](https://docs.cloudposse.com/images/terraform-open-source-modules.svg)][terraform_modules] + + + +It's 100% Open Source and licensed under the [APACHE2](LICENSE). + + + + + + + +We literally have [*hundreds of terraform modules*][terraform_modules] that are Open Source and well-maintained. Check them out! + + + + + + +## Security & Compliance [](https://bridgecrew.io/) + +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](https://www.bridgecrew.cloud/badges/github/cloudposse/terraform-aws-ec2-instance-group/general)](https://www.bridgecrew.cloud/link/badge?vcs=github&fullRepo=cloudposse%2Fterraform-aws-ec2-instance-group&benchmark=INFRASTRUCTURE+SECURITY) | Infrastructure Security Compliance | +| [![CIS KUBERNETES](https://www.bridgecrew.cloud/badges/github/cloudposse/terraform-aws-ec2-instance-group/cis_kubernetes)](https://www.bridgecrew.cloud/link/badge?vcs=github&fullRepo=cloudposse%2Fterraform-aws-ec2-instance-group&benchmark=CIS+KUBERNETES+V1.5) | Center for Internet Security, KUBERNETES Compliance | +| [![CIS AWS](https://www.bridgecrew.cloud/badges/github/cloudposse/terraform-aws-ec2-instance-group/cis_aws)](https://www.bridgecrew.cloud/link/badge?vcs=github&fullRepo=cloudposse%2Fterraform-aws-ec2-instance-group&benchmark=CIS+AWS+V1.2) | Center for Internet Security, AWS Compliance | +| [![CIS AZURE](https://www.bridgecrew.cloud/badges/github/cloudposse/terraform-aws-ec2-instance-group/cis_azure)](https://www.bridgecrew.cloud/link/badge?vcs=github&fullRepo=cloudposse%2Fterraform-aws-ec2-instance-group&benchmark=CIS+AZURE+V1.1) | Center for Internet Security, AZURE Compliance | +| [![PCI-DSS](https://www.bridgecrew.cloud/badges/github/cloudposse/terraform-aws-ec2-instance-group/pci)](https://www.bridgecrew.cloud/link/badge?vcs=github&fullRepo=cloudposse%2Fterraform-aws-ec2-instance-group&benchmark=PCI-DSS+V3.2) | Payment Card Industry Data Security Standards Compliance | +| [![NIST-800-53](https://www.bridgecrew.cloud/badges/github/cloudposse/terraform-aws-ec2-instance-group/nist)](https://www.bridgecrew.cloud/link/badge?vcs=github&fullRepo=cloudposse%2Fterraform-aws-ec2-instance-group&benchmark=NIST-800-53) | National Institute of Standards and Technology Compliance | +| [![ISO27001](https://www.bridgecrew.cloud/badges/github/cloudposse/terraform-aws-ec2-instance-group/iso)](https://www.bridgecrew.cloud/link/badge?vcs=github&fullRepo=cloudposse%2Fterraform-aws-ec2-instance-group&benchmark=ISO27001) | Information Security Management System, ISO/IEC 27001 Compliance | +| [![SOC2](https://www.bridgecrew.cloud/badges/github/cloudposse/terraform-aws-ec2-instance-group/soc2)](https://www.bridgecrew.cloud/link/badge?vcs=github&fullRepo=cloudposse%2Fterraform-aws-ec2-instance-group&benchmark=SOC2)| Service Organization Control 2 Compliance | +| [![CIS GCP](https://www.bridgecrew.cloud/badges/github/cloudposse/terraform-aws-ec2-instance-group/cis_gcp)](https://www.bridgecrew.cloud/link/badge?vcs=github&fullRepo=cloudposse%2Fterraform-aws-ec2-instance-group&benchmark=CIS+GCP+V1.1) | Center for Internet Security, GCP Compliance | +| [![HIPAA](https://www.bridgecrew.cloud/badges/github/cloudposse/terraform-aws-ec2-instance-group/hipaa)](https://www.bridgecrew.cloud/link/badge?vcs=github&fullRepo=cloudposse%2Fterraform-aws-ec2-instance-group&benchmark=HIPAA) | 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](https://github.com/hashicorp/terraform/issues/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. + + +Note: add `${var.ssh_key_pair}` private key to the `ssh agent`. + +Include this repository as a module in your existing terraform code. + + +### Simple example: + +```hcl +module "instance" { + source = "cloudposse/ec2-instance-group/aws" + # Cloud Posse recommends pinning every module to a specific version + # version = "x.x.x" + namespace = "eg" + stage = "prod" + name = "app" + ami = "ami-a4dc46db" + ami_owner = "099720109477" + ssh_key_pair = var.ssh_key_pair + instance_type = var.instance_type + vpc_id = var.vpc_id + security_groups = var.security_groups + subnet = var.subnet + instance_count = 3 +} +``` + +### Example with additional volumes and EIP + +```hcl +module "kafka_instance" { + source = "cloudposse/ec2-instance-group/aws" + # Cloud Posse recommends pinning every module to a specific version + # version = "x.x.x" + + namespace = "eg" + stage = "prod" + name = "app" + ami = "ami-a4dc46db" + ami_owner = "099720109477" + ssh_key_pair = var.ssh_key_pair + vpc_id = var.vpc_id + security_groups = var.security_groups + subnet = var.subnet + associate_public_ip_address = true + additional_ips_count = 1 + ebs_volume_count = 2 + instance_count = 3 + + security_group_rules = [ + { + type = "egress" + from_port = 0 + to_port = 65535 + protocol = "-1" + cidr_blocks = ["0.0.0.0/0"] + }, + { + type = "ingress" + from_port = 22 + to_port = 22 + protocol = "tcp" + cidr_blocks = ["0.0.0.0/0"] + }, + { + type = "ingress" + from_port = 80 + to_port = 80 + protocol = "tcp" + cidr_blocks = ["0.0.0.0/0"] + }, + { + type = "ingress" + from_port = 443 + to_port = 443 + protocol = "tcp" + cidr_blocks = ["0.0.0.0/0"] + } + ] +} +``` + +### Additional complete working example with variations of how to use the module +In /examples directory + +This module depends on these modules: + +* [terraform-terraform-label](https://github.com/cloudposse/terraform-terraform-label) + +It is necessary to run `terraform get` or `terraform init` to download this module. + +Now reference the label when creating an instance (for example): + +```hcl +resource "aws_ami_from_instance" "example" { + count = length(module.instance.*.id) + name = "app" + source_instance_id = element(module.instance.*.id, count.index) +} +``` + + + + + + + +## Makefile Targets +```text +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](#requirement\_terraform) | >= 0.13 | +| [aws](#requirement\_aws) | >= 2.0 | + +## Providers + +| Name | Version | +|------|---------| +| [aws](#provider\_aws) | >= 2.0 | + +## Modules + +| Name | Source | Version | +|------|--------|---------| +| [label](#module\_label) | cloudposse/label/null | 0.24.1 | +| [security\_group](#module\_security\_group) | cloudposse/security-group/aws | 0.3.1 | +| [ssh\_key\_pair](#module\_ssh\_key\_pair) | cloudposse/key-pair/aws | 0.18.2 | +| [this](#module\_this) | cloudposse/label/null | 0.24.1 | + +## Resources + +| Name | Type | +|------|------| +| [aws_cloudwatch_metric_alarm.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/cloudwatch_metric_alarm) | resource | +| [aws_ebs_volume.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ebs_volume) | resource | +| [aws_eip.additional](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/eip) | resource | +| [aws_eip.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/eip) | resource | +| [aws_iam_instance_profile.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_instance_profile) | resource | +| [aws_iam_role.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role) | resource | +| [aws_instance.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/instance) | resource | +| [aws_network_interface.additional](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/network_interface) | resource | +| [aws_network_interface_attachment.additional](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/network_interface_attachment) | resource | +| [aws_volume_attachment.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/volume_attachment) | resource | +| [aws_ami.info](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/ami) | data source | +| [aws_caller_identity.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/caller_identity) | data source | +| [aws_iam_policy_document.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/iam_policy_document) | data source | +| [aws_region.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/region) | data source | + +## Inputs + +| Name | Description | Type | Default | Required | +|------|-------------|------|---------|:--------:| +| [additional\_ips\_count](#input\_additional\_ips\_count) | Count of additional EIPs | `number` | `0` | no | +| [additional\_tag\_map](#input\_additional\_tag\_map) | Additional tags for appending to tags\_as\_list\_of\_maps. Not added to `tags`. | `map(string)` | `{}` | no | +| [ami](#input\_ami) | The AMI to use for the instance | `string` | n/a | yes | +| [ami\_owner](#input\_ami\_owner) | Owner of the given AMI | `string` | n/a | yes | +| [applying\_period](#input\_applying\_period) | The period in seconds over which the specified statistic is applied | `number` | `60` | no | +| [assign\_eip\_address](#input\_assign\_eip\_address) | Assign an Elastic IP address to the instance | `bool` | `true` | no | +| [associate\_public\_ip\_address](#input\_associate\_public\_ip\_address) | Associate a public IP address with the instance | `bool` | `false` | no | +| [attributes](#input\_attributes) | Additional attributes (e.g. `1`) | `list(string)` | `[]` | no | +| [availability\_zone](#input\_availability\_zone) | Availability Zone the instance is launched in. If not set, will be launched in the first AZ of the region | `string` | `""` | no | +| [comparison\_operator](#input\_comparison\_operator) | The arithmetic operation to use when comparing the specified Statistic and Threshold. Possible values are: GreaterThanOrEqualToThreshold, GreaterThanThreshold, LessThanThreshold, LessThanOrEqualToThreshold | `string` | `"GreaterThanOrEqualToThreshold"` | no | +| [context](#input\_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,
  "enabled": true,
  "environment": null,
  "id_length_limit": null,
  "label_key_case": null,
  "label_order": [],
  "label_value_case": null,
  "name": null,
  "namespace": null,
  "regex_replace_chars": null,
  "stage": null,
  "tags": {}
}
| no | +| [create\_default\_security\_group](#input\_create\_default\_security\_group) | Create default Security Group with only Egress traffic allowed | `bool` | `true` | no | +| [default\_alarm\_action](#input\_default\_alarm\_action) | Default alarm action | `string` | `"action/actions/AWS_EC2.InstanceId.Reboot/1.0"` | no | +| [delete\_on\_termination](#input\_delete\_on\_termination) | Whether the volume should be destroyed on instance termination | `bool` | `true` | no | +| [delimiter](#input\_delimiter) | Delimiter to be used between `namespace`, `environment`, `stage`, `name` and `attributes`.
Defaults to `-` (hyphen). Set to `""` to use no delimiter at all. | `string` | `null` | no | +| [disable\_api\_termination](#input\_disable\_api\_termination) | Enable EC2 Instance Termination Protection | `bool` | `false` | no | +| [ebs\_device\_names](#input\_ebs\_device\_names) | Name of the EBS device to mount | `list(string)` | 
[
  "/dev/xvdb",
  "/dev/xvdc",
  "/dev/xvdd",
  "/dev/xvde",
  "/dev/xvdf",
  "/dev/xvdg",
  "/dev/xvdh",
  "/dev/xvdi",
  "/dev/xvdj",
  "/dev/xvdk",
  "/dev/xvdl",
  "/dev/xvdm",
  "/dev/xvdn",
  "/dev/xvdo",
  "/dev/xvdp",
  "/dev/xvdq",
  "/dev/xvdr",
  "/dev/xvds",
  "/dev/xvdt",
  "/dev/xvdu",
  "/dev/xvdv",
  "/dev/xvdw",
  "/dev/xvdx",
  "/dev/xvdy",
  "/dev/xvdz"
]
| no | +| [ebs\_iops](#input\_ebs\_iops) | Amount of provisioned IOPS. This must be set with a volume\_type of io1 | `number` | `0` | no | +| [ebs\_optimized](#input\_ebs\_optimized) | Launched EC2 instance will be EBS-optimized | `bool` | `false` | no | +| [ebs\_volume\_count](#input\_ebs\_volume\_count) | Count of EBS volumes that will be attached to the instance | `number` | `0` | no | +| [ebs\_volume\_encrypted](#input\_ebs\_volume\_encrypted) | Size of the EBS volume in gigabytes | `bool` | `true` | no | +| [ebs\_volume\_size](#input\_ebs\_volume\_size) | Size of the EBS volume in gigabytes | `number` | `10` | no | +| [ebs\_volume\_type](#input\_ebs\_volume\_type) | The type of EBS volume. Can be standard, gp2 or io1 | `string` | `"gp2"` | no | +| [enabled](#input\_enabled) | Set to false to prevent the module from creating any resources | `bool` | `null` | no | +| [environment](#input\_environment) | Environment, e.g. 'uw2', 'us-west-2', OR 'prod', 'staging', 'dev', 'UAT' | `string` | `null` | no | +| [evaluation\_periods](#input\_evaluation\_periods) | The number of periods over which data is compared to the specified threshold | `number` | `5` | no | +| [generate\_ssh\_key\_pair](#input\_generate\_ssh\_key\_pair) | If true, create a new key pair and save the pem for it to the current working directory | `bool` | `false` | no | +| [id\_length\_limit](#input\_id\_length\_limit) | Limit `id` to this many characters (minimum 6).
Set to `0` for unlimited length.
Set to `null` for default, which is `0`.
Does not affect `id_full`. | `number` | `null` | no | +| [instance\_count](#input\_instance\_count) | Count of ec2 instances to create | `number` | `1` | no | +| [instance\_type](#input\_instance\_type) | The type of the instance | `string` | `"t2.micro"` | no | +| [ipv6\_address\_count](#input\_ipv6\_address\_count) | Number of IPv6 addresses to associate with the primary network interface. Amazon EC2 chooses the IPv6 addresses from the range of your subnet | `number` | `0` | no | +| [ipv6\_addresses](#input\_ipv6\_addresses) | List of IPv6 addresses from the range of the subnet to associate with the primary network interface | `list(string)` | `[]` | no | +| [kms\_key\_id](#input\_kms\_key\_id) | KMS key ID used to encrypt EBS volume. When specifying kms\_key\_id, ebs\_volume\_encrypted needs to be set to true | `string` | `null` | no | +| [label\_key\_case](#input\_label\_key\_case) | The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.
Possible values: `lower`, `title`, `upper`.
Default value: `title`. | `string` | `null` | no | +| [label\_order](#input\_label\_order) | 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. | `list(string)` | `null` | no | +| [label\_value\_case](#input\_label\_value\_case) | The letter case of output label values (also used in `tags` and `id`).
Possible values: `lower`, `title`, `upper` and `none` (no transformation).
Default value: `lower`. | `string` | `null` | no | +| [metadata\_http\_endpoint\_enabled](#input\_metadata\_http\_endpoint\_enabled) | Whether the metadata service is available | `bool` | `true` | no | +| [metadata\_http\_tokens\_required](#input\_metadata\_http\_tokens\_required) | Whether or not the metadata service requires session tokens, also referred to as Instance Metadata Service Version 2. | `bool` | `true` | no | +| [metric\_name](#input\_metric\_name) | The name for the alarm's associated metric. Allowed values can be found in https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/ec2-metricscollected.html | `string` | `"StatusCheckFailed_Instance"` | no | +| [metric\_namespace](#input\_metric\_namespace) | The namespace for the alarm's associated metric. Allowed values can be found in https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/aws-namespaces.html | `string` | `"AWS/EC2"` | no | +| [metric\_threshold](#input\_metric\_threshold) | The value against which the specified statistic is compared | `number` | `1` | no | +| [monitoring](#input\_monitoring) | Launched EC2 instance will have detailed monitoring enabled | `bool` | `true` | no | +| [name](#input\_name) | Solution name, e.g. 'app' or 'jenkins' | `string` | `null` | no | +| [namespace](#input\_namespace) | Namespace, which could be your organization name or abbreviation, e.g. 'eg' or 'cp' | `string` | `null` | no | +| [permissions\_boundary\_arn](#input\_permissions\_boundary\_arn) | Policy ARN to attach to instance role as a permissions boundary | `string` | `""` | no | +| [private\_ips](#input\_private\_ips) | Private IP address to associate with the instances in the VPC | `list(string)` | `[]` | no | +| [regex\_replace\_chars](#input\_regex\_replace\_chars) | 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. | `string` | `null` | no | +| [region](#input\_region) | AWS Region the instance is launched in | `string` | n/a | yes | +| [root\_block\_device\_encrypted](#input\_root\_block\_device\_encrypted) | Whether to encrypt the root block device | `bool` | `true` | no | +| [root\_iops](#input\_root\_iops) | Amount of provisioned IOPS. This must be set if root\_volume\_type is set to `io1` | `number` | `0` | no | +| [root\_volume\_size](#input\_root\_volume\_size) | Size of the root volume in gigabytes | `number` | `10` | no | +| [root\_volume\_type](#input\_root\_volume\_type) | Type of root volume. Can be standard, gp2 or io1 | `string` | `"gp2"` | no | +| [security\_group\_description](#input\_security\_group\_description) | The Security Group description. | `string` | `"EC2 instances Security Group"` | no | +| [security\_group\_enabled](#input\_security\_group\_enabled) | Whether to create default Security Group for EC2 instances. | `bool` | `true` | no | +| [security\_group\_rules](#input\_security\_group\_rules) | A list of maps of Security Group rules.
The values of map is fully complated with `aws_security_group_rule` resource.
To get more info see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule . | `list(any)` | 
[
  {
    "cidr_blocks": [
      "0.0.0.0/0"
    ],
    "description": "Allow all outbound traffic",
    "from_port": 0,
    "protocol": "-1",
    "to_port": 65535,
    "type": "egress"
  }
]
| no | +| [security\_group\_use\_name\_prefix](#input\_security\_group\_use\_name\_prefix) | Whether to create a default Security Group with unique name beginning with the normalized prefix. | `bool` | `false` | no | +| [security\_groups](#input\_security\_groups) | A list of Security Group IDs to associate with EC2 instances. | `list(string)` | `[]` | no | +| [source\_dest\_check](#input\_source\_dest\_check) | Controls if traffic is routed to the instance when the destination address does not match the instance. Used for NAT or VPNs | `bool` | `true` | no | +| [ssh\_key\_pair](#input\_ssh\_key\_pair) | SSH key pair to be provisioned on the instance | `string` | `""` | no | +| [ssh\_key\_pair\_path](#input\_ssh\_key\_pair\_path) | Path to where the generated key pairs will be created. Defaults to $${path.cwd} | `string` | `""` | no | +| [stage](#input\_stage) | Stage, e.g. 'prod', 'staging', 'dev', OR 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no | +| [statistic\_level](#input\_statistic\_level) | The statistic to apply to the alarm's associated metric. Allowed values are: SampleCount, Average, Sum, Minimum, Maximum | `string` | `"Maximum"` | no | +| [subnet](#input\_subnet) | VPC Subnet ID the instance is launched in | `string` | n/a | yes | +| [tags](#input\_tags) | Additional tags (e.g. `map('BusinessUnit','XYZ')` | `map(string)` | `{}` | no | +| [user\_data](#input\_user\_data) | Instance user data. Do not pass gzip-compressed data via this argument | `string` | `""` | no | +| [vpc\_id](#input\_vpc\_id) | The ID of the VPC that the instance security group belongs to | `string` | n/a | yes | +| [welcome\_message](#input\_welcome\_message) | Welcome message | `string` | `""` | no | + +## Outputs + +| Name | Description | +|------|-------------| +| [alarm\_ids](#output\_alarm\_ids) | CloudWatch Alarm IDs | +| [aws\_key\_pair\_name](#output\_aws\_key\_pair\_name) | Name of AWS key pair | +| [ebs\_ids](#output\_ebs\_ids) | IDs of EBSs | +| [eip\_per\_instance\_count](#output\_eip\_per\_instance\_count) | Number of EIPs per instance. | +| [eni\_to\_eip\_map](#output\_eni\_to\_eip\_map) | Map of ENI with EIP | +| [ids](#output\_ids) | Disambiguated IDs list | +| [instance\_count](#output\_instance\_count) | Total number of instances created | +| [name](#output\_name) | Instance(s) name | +| [new\_ssh\_keypair\_generated](#output\_new\_ssh\_keypair\_generated) | Was a new ssh\_key\_pair generated | +| [primary\_network\_interface\_ids](#output\_primary\_network\_interface\_ids) | IDs of the instance's primary network interface | +| [private\_dns](#output\_private\_dns) | Private DNS records of instances | +| [private\_ips](#output\_private\_ips) | Private IPs of instances | +| [public\_dns](#output\_public\_dns) | All public DNS records for the public interfaces and ENIs | +| [public\_ips](#output\_public\_ips) | List of Public IPs of instances (or EIP) | +| [role\_names](#output\_role\_names) | Names of AWS IAM Roles associated with creating instance | +| [security\_group\_arn](#output\_security\_group\_arn) | EC2 instances Security Group ARN | +| [security\_group\_id](#output\_security\_group\_id) | EC2 instances Security Group ID | +| [security\_group\_ids](#output\_security\_group\_ids) | ID on the new AWS Security Group associated with creating instance | +| [security\_group\_name](#output\_security\_group\_name) | EC2 instances Security Group name | +| [ssh\_key\_pem\_path](#output\_ssh\_key\_pem\_path) | Path where SSH key pair was created (if applicable) | + + + + +## Share the Love + +Like this project? Please give it a ★ on [our GitHub](https://github.com/cloudposse/terraform-aws-ec2-instance-group)! (it helps us **a lot**) + +Are you using this project or any of our other projects? Consider [leaving a testimonial][testimonial]. =) + + + +## Related Projects + +Check out these related projects. + +- [terraform-aws-ec2-instance](https://github.com/cloudposse/terraform-aws-ec2-instance) - Terraform Module for providing a general EC2 instance provisioned by Ansible +- [terraform-aws-ec2-bastion-server](https://github.com/cloudposse/terraform-aws-ec2-bastion-server) - Terraform Module to define a generic Bastion host with parameterized user_data +- [https://github.com/cloudposse/terraform-aws-rds-cluster](https://github.com/cloudposse/terraform-aws-rds-cluster) - Terraform module to provision an RDS Aurora cluster for MySQL or Postgres + + +## References + +For additional context, refer to some of these links. + +- [terraform-aws-ec2-bastion-server](https://github.com/cloudposse/terraform-aws-ec2-bastion-server) - Terraform module to define a generic Bastion host with parameterized user_data + + +## Help + +**Got a question?** We got answers. + +File a GitHub [issue](https://github.com/cloudposse/terraform-aws-ec2-instance-group/issues), send us an [email][email] or join our [Slack Community][slack]. + +[![README Commercial Support][readme_commercial_support_img]][readme_commercial_support_link] + +## DevOps Accelerator for Startups + + +We are a [**DevOps Accelerator**][commercial_support]. We'll help you build your cloud infrastructure from the ground up so you can own it. Then we'll show you how to operate it and stick around for as long as you need us. + +[![Learn More](https://img.shields.io/badge/learn%20more-success.svg?style=for-the-badge)][commercial_support] + +Work directly with our team of DevOps experts via email, slack, and video conferencing. + +We deliver 10x the value for a fraction of the cost of a full-time engineer. Our track record is not even funny. 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It's **FREE** for everyone! Our "SweetOps" community is where you get to talk with others who share a similar vision for how to rollout and manage infrastructure. This is the best place to talk shop, ask questions, solicit feedback, and work together as a community to build totally *sweet* infrastructure. + +## Discourse Forums + +Participate in our [Discourse Forums][discourse]. Here you'll find answers to commonly asked questions. Most questions will be related to the enormous number of projects we support on our GitHub. Come here to collaborate on answers, find solutions, and get ideas about the products and services we value. It only takes a minute to get started! Just sign in with SSO using your GitHub account. + +## Newsletter + +Sign up for [our newsletter][newsletter] that covers everything on our technology radar. 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[label](#module\_label) | cloudposse/label/null | 0.24.1 | +| [security\_group](#module\_security\_group) | cloudposse/security-group/aws | 0.3.1 | +| [ssh\_key\_pair](#module\_ssh\_key\_pair) | cloudposse/key-pair/aws | 0.18.2 | +| [this](#module\_this) | cloudposse/label/null | 0.24.1 | + +## Resources + +| Name | Type | +|------|------| +| [aws_cloudwatch_metric_alarm.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/cloudwatch_metric_alarm) | resource | +| [aws_ebs_volume.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ebs_volume) | resource | +| [aws_eip.additional](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/eip) | resource | +| [aws_eip.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/eip) | resource | +| [aws_iam_instance_profile.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_instance_profile) | resource | +| [aws_iam_role.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role) | resource | +| [aws_instance.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/instance) | resource | +| [aws_network_interface.additional](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/network_interface) | resource | +| [aws_network_interface_attachment.additional](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/network_interface_attachment) | resource | +| [aws_volume_attachment.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/volume_attachment) | resource | +| [aws_ami.info](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/ami) | data source | +| [aws_caller_identity.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/caller_identity) | data source | +| [aws_iam_policy_document.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/iam_policy_document) | data source | +| [aws_region.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/region) | data source | + +## Inputs + +| Name | Description | Type | Default | Required | +|------|-------------|------|---------|:--------:| +| [additional\_ips\_count](#input\_additional\_ips\_count) | Count of additional EIPs | `number` | `0` | no | +| [additional\_tag\_map](#input\_additional\_tag\_map) | Additional tags for appending to tags\_as\_list\_of\_maps. Not added to `tags`. | `map(string)` | `{}` | no | +| [ami](#input\_ami) | The AMI to use for the instance | `string` | n/a | yes | +| [ami\_owner](#input\_ami\_owner) | Owner of the given AMI | `string` | n/a | yes | +| [applying\_period](#input\_applying\_period) | The period in seconds over which the specified statistic is applied | `number` | `60` | no | +| [assign\_eip\_address](#input\_assign\_eip\_address) | Assign an Elastic IP address to the instance | `bool` | `true` | no | +| [associate\_public\_ip\_address](#input\_associate\_public\_ip\_address) | Associate a public IP address with the instance | `bool` | `false` | no | +| [attributes](#input\_attributes) | Additional attributes (e.g. `1`) | `list(string)` | `[]` | no | +| [availability\_zone](#input\_availability\_zone) | Availability Zone the instance is launched in. If not set, will be launched in the first AZ of the region | `string` | `""` | no | +| [comparison\_operator](#input\_comparison\_operator) | The arithmetic operation to use when comparing the specified Statistic and Threshold. Possible values are: GreaterThanOrEqualToThreshold, GreaterThanThreshold, LessThanThreshold, LessThanOrEqualToThreshold | `string` | `"GreaterThanOrEqualToThreshold"` | no | +| [context](#input\_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,
  "enabled": true,
  "environment": null,
  "id_length_limit": null,
  "label_key_case": null,
  "label_order": [],
  "label_value_case": null,
  "name": null,
  "namespace": null,
  "regex_replace_chars": null,
  "stage": null,
  "tags": {}
}
| no | +| [create\_default\_security\_group](#input\_create\_default\_security\_group) | Create default Security Group with only Egress traffic allowed | `bool` | `true` | no | +| [default\_alarm\_action](#input\_default\_alarm\_action) | Default alarm action | `string` | `"action/actions/AWS_EC2.InstanceId.Reboot/1.0"` | no | +| [delete\_on\_termination](#input\_delete\_on\_termination) | Whether the volume should be destroyed on instance termination | `bool` | `true` | no | +| [delimiter](#input\_delimiter) | Delimiter to be used between `namespace`, `environment`, `stage`, `name` and `attributes`.
Defaults to `-` (hyphen). Set to `""` to use no delimiter at all. | `string` | `null` | no | +| [disable\_api\_termination](#input\_disable\_api\_termination) | Enable EC2 Instance Termination Protection | `bool` | `false` | no | +| [ebs\_device\_names](#input\_ebs\_device\_names) | Name of the EBS device to mount | `list(string)` | 
[
  "/dev/xvdb",
  "/dev/xvdc",
  "/dev/xvdd",
  "/dev/xvde",
  "/dev/xvdf",
  "/dev/xvdg",
  "/dev/xvdh",
  "/dev/xvdi",
  "/dev/xvdj",
  "/dev/xvdk",
  "/dev/xvdl",
  "/dev/xvdm",
  "/dev/xvdn",
  "/dev/xvdo",
  "/dev/xvdp",
  "/dev/xvdq",
  "/dev/xvdr",
  "/dev/xvds",
  "/dev/xvdt",
  "/dev/xvdu",
  "/dev/xvdv",
  "/dev/xvdw",
  "/dev/xvdx",
  "/dev/xvdy",
  "/dev/xvdz"
]
| no | +| [ebs\_iops](#input\_ebs\_iops) | Amount of provisioned IOPS. This must be set with a volume\_type of io1 | `number` | `0` | no | +| [ebs\_optimized](#input\_ebs\_optimized) | Launched EC2 instance will be EBS-optimized | `bool` | `false` | no | +| [ebs\_volume\_count](#input\_ebs\_volume\_count) | Count of EBS volumes that will be attached to the instance | `number` | `0` | no | +| [ebs\_volume\_encrypted](#input\_ebs\_volume\_encrypted) | Size of the EBS volume in gigabytes | `bool` | `true` | no | +| [ebs\_volume\_size](#input\_ebs\_volume\_size) | Size of the EBS volume in gigabytes | `number` | `10` | no | +| [ebs\_volume\_type](#input\_ebs\_volume\_type) | The type of EBS volume. Can be standard, gp2 or io1 | `string` | `"gp2"` | no | +| [enabled](#input\_enabled) | Set to false to prevent the module from creating any resources | `bool` | `null` | no | +| [environment](#input\_environment) | Environment, e.g. 'uw2', 'us-west-2', OR 'prod', 'staging', 'dev', 'UAT' | `string` | `null` | no | +| [evaluation\_periods](#input\_evaluation\_periods) | The number of periods over which data is compared to the specified threshold | `number` | `5` | no | +| [generate\_ssh\_key\_pair](#input\_generate\_ssh\_key\_pair) | If true, create a new key pair and save the pem for it to the current working directory | `bool` | `false` | no | +| [id\_length\_limit](#input\_id\_length\_limit) | Limit `id` to this many characters (minimum 6).
Set to `0` for unlimited length.
Set to `null` for default, which is `0`.
Does not affect `id_full`. | `number` | `null` | no | +| [instance\_count](#input\_instance\_count) | Count of ec2 instances to create | `number` | `1` | no | +| [instance\_type](#input\_instance\_type) | The type of the instance | `string` | `"t2.micro"` | no | +| [ipv6\_address\_count](#input\_ipv6\_address\_count) | Number of IPv6 addresses to associate with the primary network interface. Amazon EC2 chooses the IPv6 addresses from the range of your subnet | `number` | `0` | no | +| [ipv6\_addresses](#input\_ipv6\_addresses) | List of IPv6 addresses from the range of the subnet to associate with the primary network interface | `list(string)` | `[]` | no | +| [kms\_key\_id](#input\_kms\_key\_id) | KMS key ID used to encrypt EBS volume. When specifying kms\_key\_id, ebs\_volume\_encrypted needs to be set to true | `string` | `null` | no | +| [label\_key\_case](#input\_label\_key\_case) | The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.
Possible values: `lower`, `title`, `upper`.
Default value: `title`. | `string` | `null` | no | +| [label\_order](#input\_label\_order) | 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. | `list(string)` | `null` | no | +| [label\_value\_case](#input\_label\_value\_case) | The letter case of output label values (also used in `tags` and `id`).
Possible values: `lower`, `title`, `upper` and `none` (no transformation).
Default value: `lower`. | `string` | `null` | no | +| [metadata\_http\_endpoint\_enabled](#input\_metadata\_http\_endpoint\_enabled) | Whether the metadata service is available | `bool` | `true` | no | +| [metadata\_http\_tokens\_required](#input\_metadata\_http\_tokens\_required) | Whether or not the metadata service requires session tokens, also referred to as Instance Metadata Service Version 2. | `bool` | `true` | no | +| [metric\_name](#input\_metric\_name) | The name for the alarm's associated metric. Allowed values can be found in https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/ec2-metricscollected.html | `string` | `"StatusCheckFailed_Instance"` | no | +| [metric\_namespace](#input\_metric\_namespace) | The namespace for the alarm's associated metric. Allowed values can be found in https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/aws-namespaces.html | `string` | `"AWS/EC2"` | no | +| [metric\_threshold](#input\_metric\_threshold) | The value against which the specified statistic is compared | `number` | `1` | no | +| [monitoring](#input\_monitoring) | Launched EC2 instance will have detailed monitoring enabled | `bool` | `true` | no | +| [name](#input\_name) | Solution name, e.g. 'app' or 'jenkins' | `string` | `null` | no | +| [namespace](#input\_namespace) | Namespace, which could be your organization name or abbreviation, e.g. 'eg' or 'cp' | `string` | `null` | no | +| [permissions\_boundary\_arn](#input\_permissions\_boundary\_arn) | Policy ARN to attach to instance role as a permissions boundary | `string` | `""` | no | +| [private\_ips](#input\_private\_ips) | Private IP address to associate with the instances in the VPC | `list(string)` | `[]` | no | +| [regex\_replace\_chars](#input\_regex\_replace\_chars) | 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. | `string` | `null` | no | +| [region](#input\_region) | AWS Region the instance is launched in | `string` | n/a | yes | +| [root\_block\_device\_encrypted](#input\_root\_block\_device\_encrypted) | Whether to encrypt the root block device | `bool` | `true` | no | +| [root\_iops](#input\_root\_iops) | Amount of provisioned IOPS. This must be set if root\_volume\_type is set to `io1` | `number` | `0` | no | +| [root\_volume\_size](#input\_root\_volume\_size) | Size of the root volume in gigabytes | `number` | `10` | no | +| [root\_volume\_type](#input\_root\_volume\_type) | Type of root volume. Can be standard, gp2 or io1 | `string` | `"gp2"` | no | +| [security\_group\_description](#input\_security\_group\_description) | The Security Group description. | `string` | `"EC2 instances Security Group"` | no | +| [security\_group\_enabled](#input\_security\_group\_enabled) | Whether to create default Security Group for EC2 instances. | `bool` | `true` | no | +| [security\_group\_rules](#input\_security\_group\_rules) | A list of maps of Security Group rules.
The values of map is fully complated with `aws_security_group_rule` resource.
To get more info see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule . | `list(any)` | 
[
  {
    "cidr_blocks": [
      "0.0.0.0/0"
    ],
    "description": "Allow all outbound traffic",
    "from_port": 0,
    "protocol": "-1",
    "to_port": 65535,
    "type": "egress"
  }
]
| no | +| [security\_group\_use\_name\_prefix](#input\_security\_group\_use\_name\_prefix) | Whether to create a default Security Group with unique name beginning with the normalized prefix. | `bool` | `false` | no | +| [security\_groups](#input\_security\_groups) | A list of Security Group IDs to associate with EC2 instances. | `list(string)` | `[]` | no | +| [source\_dest\_check](#input\_source\_dest\_check) | Controls if traffic is routed to the instance when the destination address does not match the instance. Used for NAT or VPNs | `bool` | `true` | no | +| [ssh\_key\_pair](#input\_ssh\_key\_pair) | SSH key pair to be provisioned on the instance | `string` | `""` | no | +| [ssh\_key\_pair\_path](#input\_ssh\_key\_pair\_path) | Path to where the generated key pairs will be created. Defaults to $${path.cwd} | `string` | `""` | no | +| [stage](#input\_stage) | Stage, e.g. 'prod', 'staging', 'dev', OR 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no | +| [statistic\_level](#input\_statistic\_level) | The statistic to apply to the alarm's associated metric. Allowed values are: SampleCount, Average, Sum, Minimum, Maximum | `string` | `"Maximum"` | no | +| [subnet](#input\_subnet) | VPC Subnet ID the instance is launched in | `string` | n/a | yes | +| [tags](#input\_tags) | Additional tags (e.g. `map('BusinessUnit','XYZ')` | `map(string)` | `{}` | no | +| [user\_data](#input\_user\_data) | Instance user data. Do not pass gzip-compressed data via this argument | `string` | `""` | no | +| [vpc\_id](#input\_vpc\_id) | The ID of the VPC that the instance security group belongs to | `string` | n/a | yes | +| [welcome\_message](#input\_welcome\_message) | Welcome message | `string` | `""` | no | + +## Outputs + +| Name | Description | +|------|-------------| +| [alarm\_ids](#output\_alarm\_ids) | CloudWatch Alarm IDs | +| [aws\_key\_pair\_name](#output\_aws\_key\_pair\_name) | Name of AWS key pair | +| [ebs\_ids](#output\_ebs\_ids) | IDs of EBSs | +| [eip\_per\_instance\_count](#output\_eip\_per\_instance\_count) | Number of EIPs per instance. | +| [eni\_to\_eip\_map](#output\_eni\_to\_eip\_map) | Map of ENI with EIP | +| [ids](#output\_ids) | Disambiguated IDs list | +| [instance\_count](#output\_instance\_count) | Total number of instances created | +| [name](#output\_name) | Instance(s) name | +| [new\_ssh\_keypair\_generated](#output\_new\_ssh\_keypair\_generated) | Was a new ssh\_key\_pair generated | +| [primary\_network\_interface\_ids](#output\_primary\_network\_interface\_ids) | IDs of the instance's primary network interface | +| [private\_dns](#output\_private\_dns) | Private DNS records of instances | +| [private\_ips](#output\_private\_ips) | Private IPs of instances | +| [public\_dns](#output\_public\_dns) | All public DNS records for the public interfaces and ENIs | +| [public\_ips](#output\_public\_ips) | List of Public IPs of instances (or EIP) | +| [role\_names](#output\_role\_names) | Names of AWS IAM Roles associated with creating instance | +| [security\_group\_arn](#output\_security\_group\_arn) | EC2 instances Security Group ARN | +| [security\_group\_id](#output\_security\_group\_id) | EC2 instances Security Group ID | +| [security\_group\_ids](#output\_security\_group\_ids) | ID on the new AWS Security Group associated with creating instance | +| [security\_group\_name](#output\_security\_group\_name) | EC2 instances Security Group name | +| [ssh\_key\_pem\_path](#output\_ssh\_key\_pem\_path) | Path where SSH key pair was created (if applicable) | +