Terraform module to provision general IAM account settings. It will create the IAM account alias for pretty login URLs and set the account password policy."
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module "account_settings" {
source = "cloudposse/iam-account-settings/aws"
# Cloud Posse recommends pinning every module to a specific version
# version = "x.x.x"
namespace = "eg"
stage = "prod"
name = "account"
allow_users_to_change_password = true
minimum_password_length = 20
password_reuse_prevention = 30
}
output "account_alias" {
value = "${module.account_settings.account_alias}"
}
output "signin_url" {
value = "${module.account_settings.signin_url}"
}For better compliance with modern security best practices the following rules are enabled for the AWS account:
Initial password creation (upon user creation) requires password to be reset on first login
- Minimum password length: 16 chars
- Requires at least one upper case letter
- Requires at least one lower case letter
- Requires at least one number
- Requires at least one alphanumeric character
- Passwords expire after 90 days
- Passwords may not be repeated more than every 5th time you reset a password
- Furthermore, MFA is required to assume a role (access to dev/staging/prod accounts), which is how access is granted to any and all AWS resources for staging/production.
These password requirements are a best effort to meet PCI DSS v3.2.1 regulations for passwords and MFA, as published in May 2018 (in this instance, only for AWS)
https://www.pcisecuritystandards.org/documents/PCI_DSS_v3-2-1.pdf
Source Sections (starting on page 72):
- 8.2.3
- 8.2.4
- 8.2.5
- 8.2.6
- 8.4 (documentation only)
Important
In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic approach for updating versions to avoid unexpected changes.
Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
lint Lint terraform code
| Name | Version |
|---|---|
| terraform | >= 0.12.26 |
| aws | >= 2.0 |
| Name | Version |
|---|---|
| aws | >= 2.0 |
| Name | Source | Version |
|---|---|---|
| this | cloudposse/label/null | 0.25.0 |
| Name | Type |
|---|---|
| aws_iam_account_alias.default | resource |
| aws_iam_account_password_policy.default | resource |
| aws_caller_identity.default | data source |
| 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 |
| allow_users_to_change_password | Whether to allow users to change their own password | bool |
true |
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 delimiterand 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 |
{ |
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 beidentical 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 |
| hard_expiry | Whether users are prevented from setting a new password after their password has expired (i.e. require administrator reset) | bool |
false |
no |
| 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 |
| 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 bechanged in later chained modules. Attempts to change it will be silently ignored. |
set(string) |
[ |
no |
| max_password_age | The number of days that a user's password is valid | number |
90 |
no |
| minimum_password_length | Minimum length to require for user passwords | number |
14 |
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 |
| password_policy_enabled | Whether or not to create the IAM account password policy | bool |
true |
no |
| password_reuse_prevention | The number of previous passwords that users are prevented from reusing | number |
24 |
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 |
| require_lowercase_characters | Whether to require lowercase characters for user passwords | bool |
true |
no |
| require_numbers | Whether to require numbers for user passwords | bool |
true |
no |
| require_symbols | Whether to require symbols for user passwords | bool |
true |
no |
| require_uppercase_characters | Whether to require uppercase characters for user passwords | bool |
true |
no |
| stage | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | string |
null |
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 |
| Name | Description |
|---|---|
| account_alias | IAM account alias |
| minimum_password_length | IAM account minimum password length |
| signin_url | IAM users sign-in URL |
Check out these related projects.
- terraform-aws-iam-assumed-roles - Terraform Module for Assumed Roles on AWS with IAM Groups Requiring MFA
- terraform-aws-iam-user - Terraform Module to provision a basic IAM user suitable for humans.
- terraform-aws-iam-s3-user - Terraform module to provision a basic IAM user with permissions to access S3 resources, e.g. to give the user read/write/delete access to the objects in an S3 bucket
- terraform-aws-organization-access-group - Terraform module to create an IAM Group and Policy to grant permissions to delegated IAM users in the Organization's master account to access a member account
- terraform-aws-ssm-iam-role - Terraform module to provision an IAM role with configurable permissions to access SSM Parameter Store
- terraform-aws-iam-chamber-user - Terraform module to provision a basic IAM chamber user with access to SSM parameters and KMS key to decrypt secrets, suitable for CI/CD systems (e.g. TravisCI, CircleCI, CodeFresh) or systems which are external to AWS that cannot leverage AWS IAM Instance Profiles
- terraform-aws-lb-s3-bucket - Terraform module to provision an S3 bucket with built in IAM policy to allow AWS Load Balancers to ship access logs
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