community.aws.aws_kms module – Perform various KMS management tasks.

Note

This module is part of the community.aws collection (version 2.6.1).

You might already have this collection installed if you are using the ansible package. It is not included in ansible-core. To check whether it is installed, run ansible-galaxy collection list.

To install it, use: ansible-galaxy collection install community.aws.

To use it in a playbook, specify: community.aws.aws_kms.

New in version 1.0.0: of community.aws

Synopsis

  • Manage role/user access to a KMS key. Not designed for encrypting/decrypting.

Requirements

The below requirements are needed on the host that executes this module.

  • python >= 3.6

  • boto3 >= 1.15.0

  • botocore >= 1.18.0

Parameters

Parameter

Comments

alias

aliases: key_alias

string

An alias for a key. For safety, even though KMS does not require keys to have an alias, this module expects all new keys to be given an alias to make them easier to manage. Existing keys without an alias may be referred to by key_id. Use community.aws.aws_kms_info to find key ids. Required if key_id is not given. Note that passing a key_id and alias will only cause a new alias to be added, an alias will never be renamed. The ‘alias/’ prefix is optional.

aws_access_key

aliases: ec2_access_key, access_key

string

AWS access key. If not set then the value of the AWS_ACCESS_KEY_ID, AWS_ACCESS_KEY or EC2_ACCESS_KEY environment variable is used.

If profile is set this parameter is ignored.

Passing the aws_access_key and profile options at the same time has been deprecated and the options will be made mutually exclusive after 2022-06-01.

aws_ca_bundle

path

The location of a CA Bundle to use when validating SSL certificates.

Not used by boto 2 based modules.

Note: The CA Bundle is read ‘module’ side and may need to be explicitly copied from the controller if not run locally.

aws_config

dictionary

A dictionary to modify the botocore configuration.

Parameters can be found at https://botocore.amazonaws.com/v1/documentation/api/latest/reference/config.html#botocore.config.Config.

Only the ‘user_agent’ key is used for boto modules. See http://boto.cloudhackers.com/en/latest/boto_config_tut.html#boto for more boto configuration.

aws_secret_key

aliases: ec2_secret_key, secret_key

string

AWS secret key. If not set then the value of the AWS_SECRET_ACCESS_KEY, AWS_SECRET_KEY, or EC2_SECRET_KEY environment variable is used.

If profile is set this parameter is ignored.

Passing the aws_secret_key and profile options at the same time has been deprecated and the options will be made mutually exclusive after 2022-06-01.

debug_botocore_endpoint_logs

boolean

Use a botocore.endpoint logger to parse the unique (rather than total) “resource:action” API calls made during a task, outputing the set to the resource_actions key in the task results. Use the aws_resource_action callback to output to total list made during a playbook. The ANSIBLE_DEBUG_BOTOCORE_LOGS environment variable may also be used.

Choices:

  • no ← (default)

  • yes

description

string

A description of the CMK. Use a description that helps you decide whether the CMK is appropriate for a task.

ec2_url

aliases: aws_endpoint_url, endpoint_url

string

URL to use to connect to EC2 or your Eucalyptus cloud (by default the module will use EC2 endpoints). Ignored for modules where region is required. Must be specified for all other modules if region is not used. If not set then the value of the EC2_URL environment variable, if any, is used.

enable_key_rotation

boolean

Whether the key should be automatically rotated every year.

Choices:

  • no

  • yes

enabled

boolean

Whether or not a key is enabled

Choices:

  • no

  • yes ← (default)

grants

list / elements=dictionary

A list of grants to apply to the key. Each item must contain grantee_principal. Each item can optionally contain retiring_principal, operations, constraints, name.

grantee_principal and retiring_principal must be ARNs

For full documentation of suboptions see the boto3 documentation:

https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/kms.html#KMS.Client.create_grant

constraints

dictionary

Constraints is a dict containing encryption_context_subset or encryption_context_equals, either or both being a dict specifying an encryption context match. See https://docs.aws.amazon.com/kms/latest/APIReference/API_GrantConstraints.html or https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/kms.html#KMS.Client.create_grant

grantee_principal

string / required

The full ARN of the principal being granted permissions.

operations

list / elements=string

A list of operations that the grantee may perform using the CMK.

Choices:

  • Decrypt

  • Encrypt

  • GenerateDataKey

  • GenerateDataKeyWithoutPlaintext

  • ReEncryptFrom

  • ReEncryptTo

  • CreateGrant

  • RetireGrant

  • DescribeKey

  • Verify

  • Sign

retiring_principal

string

The full ARN of the principal permitted to revoke/retire the grant.

key_id

aliases: key_arn

string

Key ID or ARN of the key.

One of alias or key_id are required.

key_spec

aliases: customer_master_key_spec

string

added in 2.1.0 of community.aws

Specifies the type of KMS key to create.

The specification is not changeable once the key is created.

Choices:

  • SYMMETRIC_DEFAULT ← (default)

  • RSA_2048

  • RSA_3072

  • RSA_4096

  • ECC_NIST_P256

  • ECC_NIST_P384

  • ECC_NIST_P521

  • ECC_SECG_P256K1

key_usage

string

added in 2.1.0 of community.aws

Determines the cryptographic operations for which you can use the KMS key.

The usage is not changeable once the key is created.

Choices:

  • ENCRYPT_DECRYPT ← (default)

  • SIGN_VERIFY

pending_window

aliases: deletion_delay

integer

added in 1.4.0 of community.aws

The number of days between requesting deletion of the CMK and when it will actually be deleted.

Only used when state=absent and the CMK has not yet been deleted.

Valid values are between 7 and 30 (inclusive).

See also: https://docs.aws.amazon.com/kms/latest/APIReference/API_ScheduleKeyDeletion.html#KMS-ScheduleKeyDeletion-request-PendingWindowInDays

policy

json

policy to apply to the KMS key.

See https://docs.aws.amazon.com/kms/latest/developerguide/key-policies.html

policy_clean_invalid_entries

aliases: clean_invalid_entries

boolean

(deprecated) If adding/removing a role and invalid grantees are found, remove them. These entries will cause an update to fail in all known cases.

Only cleans if changes are being made.

Used for modifying the Key Policy rather than modifying a grant and only works on the default policy created through the AWS Console.

This option has been deprecated, and will be removed in a release after 2021-12-01. Use policy instead.

Choices:

  • no

  • yes ← (default)

policy_grant_types

aliases: grant_types

list / elements=string

(deprecated) List of grants to give to user/role. Likely “role,role grant” or “role,role grant,admin”.

Required when policy_mode=grant.

Used for modifying the Key Policy rather than modifying a grant and only works on the default policy created through the AWS Console.

This option has been deprecated, and will be removed in a release after 2021-12-01. Use policy instead.

policy_mode

aliases: mode

string

(deprecated) Grant or deny access.

Used for modifying the Key Policy rather than modifying a grant and only works on the default policy created through the AWS Console.

This option has been deprecated, and will be removed in a release after 2021-12-01. Use policy instead.

Choices:

  • grant ← (default)

  • deny

policy_role_arn

aliases: role_arn

string

(deprecated) ARN of role to allow/deny access.

One of policy_role_name or policy_role_arn are required.

Used for modifying the Key Policy rather than modifying a grant and only works on the default policy created through the AWS Console.

This option has been deprecated, and will be removed in a release after 2021-12-01. Use policy instead.

policy_role_name

aliases: role_name

string

(deprecated) Role to allow/deny access.

One of policy_role_name or policy_role_arn are required.

Used for modifying the Key Policy rather than modifying a grant and only works on the default policy created through the AWS Console.

This option has been deprecated, and will be removed in a release after 2021-12-01. Use policy instead.

profile

aliases: aws_profile

string

Using profile will override aws_access_key, aws_secret_key and security_token and support for passing them at the same time as profile has been deprecated.

aws_access_key, aws_secret_key and security_token will be made mutually exclusive with profile after 2022-06-01.

purge_grants

boolean

Whether the grants argument should cause grants not in the list to be removed

Choices:

  • no ← (default)

  • yes

purge_tags

boolean

Whether the tags argument should cause tags not in the list to be removed

Choices:

  • no ← (default)

  • yes

region

aliases: aws_region, ec2_region

string

The AWS region to use. If not specified then the value of the AWS_REGION or EC2_REGION environment variable, if any, is used. See http://docs.aws.amazon.com/general/latest/gr/rande.html#ec2_region

security_token

aliases: aws_security_token, access_token

string

AWS STS security token. If not set then the value of the AWS_SECURITY_TOKEN or EC2_SECURITY_TOKEN environment variable is used.

If profile is set this parameter is ignored.

Passing the security_token and profile options at the same time has been deprecated and the options will be made mutually exclusive after 2022-06-01.

state

string

Whether a key should be present or absent. Note that making an existing key absent only schedules a key for deletion. Passing a key that is scheduled for deletion with state present will cancel key deletion.

Choices:

  • present ← (default)

  • absent

tags

dictionary

A dictionary of tags to apply to a key.

validate_certs

boolean

When set to “no”, SSL certificates will not be validated for communication with the AWS APIs.

Choices:

  • no

  • yes ← (default)

Notes

Note

  • If parameters are not set within the module, the following environment variables can be used in decreasing order of precedence AWS_URL or EC2_URL, AWS_PROFILE or AWS_DEFAULT_PROFILE, AWS_ACCESS_KEY_ID or AWS_ACCESS_KEY or EC2_ACCESS_KEY, AWS_SECRET_ACCESS_KEY or AWS_SECRET_KEY or EC2_SECRET_KEY, AWS_SECURITY_TOKEN or EC2_SECURITY_TOKEN, AWS_REGION or EC2_REGION, AWS_CA_BUNDLE

  • When no credentials are explicitly provided the AWS SDK (boto3) that Ansible uses will fall back to its configuration files (typically ~/.aws/credentials). See https://boto3.amazonaws.com/v1/documentation/api/latest/guide/credentials.html for more information.

  • Modules based on the original AWS SDK (boto) may read their default configuration from different files. See https://boto.readthedocs.io/en/latest/boto_config_tut.html for more information.

  • AWS_REGION or EC2_REGION can be typically be used to specify the AWS region, when required, but this can also be defined in the configuration files.

Examples

# Managing the KMS IAM Policy via policy_mode and policy_grant_types is fragile
# and has been deprecated in favour of the policy option.
- name: grant user-style access to production secrets
  community.aws.aws_kms:
  args:
    alias: "alias/my_production_secrets"
    policy_mode: grant
    policy_role_name: "prod-appServerRole-1R5AQG2BSEL6L"
    policy_grant_types: "role,role grant"
- name: remove access to production secrets from role
  community.aws.aws_kms:
  args:
    alias: "alias/my_production_secrets"
    policy_mode: deny
    policy_role_name: "prod-appServerRole-1R5AQG2BSEL6L"

# Create a new KMS key
- community.aws.aws_kms:
    alias: mykey
    tags:
      Name: myKey
      Purpose: protect_stuff

# Update previous key with more tags
- community.aws.aws_kms:
    alias: mykey
    tags:
      Name: myKey
      Purpose: protect_stuff
      Owner: security_team

# Update a known key with grants allowing an instance with the billing-prod IAM profile
# to decrypt data encrypted with the environment: production, application: billing
# encryption context
- community.aws.aws_kms:
    key_id: abcd1234-abcd-1234-5678-ef1234567890
    grants:
      - name: billing_prod
        grantee_principal: arn:aws:iam::1234567890123:role/billing_prod
        constraints:
          encryption_context_equals:
            environment: production
            application: billing
        operations:
          - Decrypt
          - RetireGrant

- name: Update IAM policy on an existing KMS key
  community.aws.aws_kms:
    alias: my-kms-key
    policy: '{"Version": "2012-10-17", "Id": "my-kms-key-permissions", "Statement": [ { <SOME STATEMENT> } ]}'
    state: present

- name: Example using lookup for policy json
  community.aws.aws_kms:
    alias: my-kms-key
    policy: "{{ lookup('template', 'kms_iam_policy_template.json.j2') }}"
    state: present

Return Values

Common return values are documented here, the following are the fields unique to this module:

Key

Description

aliases

list / elements=string

list of aliases associated with the key

Returned: always

Sample: [“aws/acm”, “aws/ebs”]

aws_account_id

string

The AWS Account ID that the key belongs to

Returned: always

Sample: 1234567890123

changes_needed

dictionary

grant types that would be changed/were changed.

Returned: always

Sample: {“role”: “add”, “role grant”: “add”}

creation_date

string

Date of creation of the key

Returned: always

Sample: “2017-04-18T15:12:08.551000+10:00”

description

string

Description of the key

Returned: always

Sample: “My Key for Protecting important stuff”

enabled

string

Whether the key is enabled. True if KeyState is true.

Returned: always

Sample: false

grants

complex

list of grants associated with a key

Returned: always

constraints

dictionary

Constraints on the encryption context that the grant allows. See https://docs.aws.amazon.com/kms/latest/APIReference/API_GrantConstraints.html for further details

Returned: always

Sample: {“encryption_context_equals”: {“aws:lambda:_function_arn”: “arn:aws:lambda:ap-southeast-2:012345678912:function:xyz”}}

creation_date

string

Date of creation of the grant

Returned: always

Sample: “2017-04-18T15:12:08+10:00”

grant_id

string

The unique ID for the grant

Returned: always

Sample: “abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234”

grantee_principal

string

The principal that receives the grant’s permissions

Returned: always

Sample: “arn:aws:sts::0123456789012:assumed-role/lambda_xyz/xyz”

issuing_account

string

The AWS account under which the grant was issued

Returned: always

Sample: “arn:aws:iam::01234567890:root”

key_id

string

The key ARN to which the grant applies.

Returned: always

Sample: “arn:aws:kms:ap-southeast-2:123456789012:key/abcd1234-abcd-1234-5678-ef1234567890”

name

string

The friendly name that identifies the grant

Returned: always

Sample: “xyz”

operations

list / elements=string

The list of operations permitted by the grant

Returned: always

Sample: [“Decrypt”, “RetireGrant”]

retiring_principal

string

The principal that can retire the grant

Returned: always

Sample: “arn:aws:sts::0123456789012:assumed-role/lambda_xyz/xyz”

had_invalid_entries

boolean

there are invalid (non-ARN) entries in the KMS entry. These don’t count as a change, but will be removed if any changes are being made.

Returned: always

key_arn

string

ARN of key

Returned: always

Sample: “arn:aws:kms:ap-southeast-2:123456789012:key/abcd1234-abcd-1234-5678-ef1234567890”

key_id

string

ID of key

Returned: always

Sample: “abcd1234-abcd-1234-5678-ef1234567890”

key_state

string

The state of the key

Returned: always

Sample: “PendingDeletion”

key_usage

string

The cryptographic operations for which you can use the key.

Returned: always

Sample: “ENCRYPT_DECRYPT”

origin

string

The source of the key’s key material. When this value is AWS_KMS, AWS KMS created the key material. When this value is EXTERNAL, the key material was imported or the CMK lacks key material.

Returned: always

Sample: “AWS_KMS”

policies

list / elements=string

list of policy documents for the keys. Empty when access is denied even if there are policies.

Returned: always

Sample: {“Id”: “auto-ebs-2”, “Statement”: [{“Action”: [“kms:Encrypt”, “kms:Decrypt”, “kms:ReEncrypt*”, “kms:GenerateDataKey*”, “kms:CreateGrant”, “kms:DescribeKey”], “Condition”: {“StringEquals”: {“kms:CallerAccount”: “111111111111”, “kms:ViaService”: “ec2.ap-southeast-2.amazonaws.com”}}, “Effect”: “Allow”, “Principal”: {“AWS”: “*”}, “Resource”: “*”, “Sid”: “Allow access through EBS for all principals in the account that are authorized to use EBS”}, {“Action”: [“kms:Describe*”, “kms:Get*”, “kms:List*”, “kms:RevokeGrant”], “Effect”: “Allow”, “Principal”: {“AWS”: “arn:aws:iam::111111111111:root”}, “Resource”: “*”, “Sid”: “Allow direct access to key metadata to the account”}], “Version”: “2012-10-17”}

tags

dictionary

dictionary of tags applied to the key

Returned: always

Sample: {“Name”: “myKey”, “Purpose”: “protecting_stuff”}

Authors

  • Ted Timmons (@tedder)

  • Will Thames (@willthames)

  • Mark Chappell (@tremble)