amazon.aws.ec2_vpc_dhcp_option module – Manages DHCP Options, and can ensure the DHCP options for the given VPC match what’s requested

Note

This module is part of the amazon.aws collection (version 3.2.0).

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 amazon.aws.

To use it in a playbook, specify: amazon.aws.ec2_vpc_dhcp_option.

New in version 1.0.0: of amazon.aws

Synopsis

  • This module removes, or creates DHCP option sets, and can associate them to a VPC. Optionally, a new DHCP Options set can be created that converges a VPC’s existing DHCP option set with values provided. When dhcp_options_id is provided, the module will 1. remove (with state=’absent’) 2. ensure tags are applied (if state=’present’ and tags are provided 3. attach it to a VPC (if state=’present’ and a vpc_id is provided. If any of the optional values are missing, they will either be treated as a no-op (i.e., inherit what already exists for the VPC) To remove existing options while inheriting, supply an empty value (e.g. set ntp_servers to [] if you want to remove them from the VPC’s options) Most of the options should be self-explanatory.

Requirements

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

  • python >= 3.6

  • boto3 >= 1.16.0

  • botocore >= 1.19.0

Parameters

Parameter

Comments

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

delete_old

boolean

Whether to delete the old VPC DHCP option set when associating a new one. This is primarily useful for debugging/development purposes when you want to quickly roll back to the old option set. Note that this setting will be ignored, and the old DHCP option set will be preserved, if it is in use by any other VPC. (Otherwise, AWS will return an error.)

Choices:

  • no

  • yes ← (default)

dhcp_options_id

string

The resource_id of an existing DHCP options set. If this is specified, then it will override other settings, except tags (which will be updated to match)

dns_servers

list / elements=string

A list of hosts to set the DNS servers for the VPC to. (Should be a list of IP addresses rather than host names.)

domain_name

string

The domain name to set in the DHCP option sets

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.

inherit_existing

boolean

For any DHCP options not specified in these parameters, whether to inherit them from the options set already applied to vpc_id, or to reset them to be empty.

Choices:

  • no ← (default)

  • yes

netbios_name_servers

list / elements=string

List of hosts to advertise as NetBIOS servers.

netbios_node_type

integer

NetBIOS node type to advertise in the DHCP options. The AWS recommendation is to use 2 (when using netbios name services) https://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_DHCP_Options.html

ntp_servers

list / elements=string

List of hosts to advertise as NTP servers for the VPC.

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_tags

boolean

added in 2.0.0 of amazon.aws

Remove tags not listed in tags.

Choices:

  • no

  • yes ← (default)

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

create/assign or remove the DHCP options. If state is set to absent, then a DHCP options set matched either by id, or tags and options will be removed if possible.

Choices:

  • absent

  • present ← (default)

tags

aliases: resource_tags

dictionary

Tags to be applied to a VPC options set if a new one is created, or if the resource_id is provided. (options must match)

validate_certs

boolean

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

Choices:

  • no

  • yes ← (default)

vpc_id

string

VPC ID to associate with the requested DHCP option set. If no vpc id is provided, and no matching option set is found then a new DHCP option set is created.

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

# Completely overrides the VPC DHCP options associated with VPC vpc-123456 and deletes any existing
# DHCP option set that may have been attached to that VPC.
- amazon.aws.ec2_vpc_dhcp_option:
    domain_name: "foo.example.com"
    region: us-east-1
    dns_servers:
        - 10.0.0.1
        - 10.0.1.1
    ntp_servers:
        - 10.0.0.2
        - 10.0.1.2
    netbios_name_servers:
        - 10.0.0.1
        - 10.0.1.1
    netbios_node_type: 2
    vpc_id: vpc-123456
    delete_old: True
    inherit_existing: False


# Ensure the DHCP option set for the VPC has 10.0.0.4 and 10.0.1.4 as the specified DNS servers, but
# keep any other existing settings. Also, keep the old DHCP option set around.
- amazon.aws.ec2_vpc_dhcp_option:
    region: us-east-1
    dns_servers:
      - "{{groups['dns-primary']}}"
      - "{{groups['dns-secondary']}}"
    vpc_id: vpc-123456
    inherit_existing: True
    delete_old: False


## Create a DHCP option set with 4.4.4.4 and 8.8.8.8 as the specified DNS servers, with tags
## but do not assign to a VPC
- amazon.aws.ec2_vpc_dhcp_option:
    region: us-east-1
    dns_servers:
      - 4.4.4.4
      - 8.8.8.8
    tags:
      Name: google servers
      Environment: Test

## Delete a DHCP options set that matches the tags and options specified
- amazon.aws.ec2_vpc_dhcp_option:
    region: us-east-1
    dns_servers:
      - 4.4.4.4
      - 8.8.8.8
    tags:
      Name: google servers
      Environment: Test
    state: absent

## Associate a DHCP options set with a VPC by ID
- amazon.aws.ec2_vpc_dhcp_option:
    region: us-east-1
    dhcp_options_id: dopt-12345678
    vpc_id: vpc-123456

Return Values

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

Key

Description

changed

boolean

Whether the dhcp options were changed

Returned: always

dhcp_config

dictionary

The boto2-style DHCP options created, associated or found

Returned: when available

domain-name

list / elements=string

The domain name for hosts in the DHCP option sets

Returned: when available

Sample: [“my.example.com”]

domain-name-servers

list / elements=string

The IP addresses of up to four domain name servers, or AmazonProvidedDNS.

Returned: when available

Sample: [“10.0.0.1”, “10.0.1.1”]

netbios-name-servers

list / elements=string

The IP addresses of up to four NetBIOS name servers.

Returned: when available

Sample: [“10.0.0.1”, “10.0.1.1”]

netbios-node-type

string

The NetBIOS node type (1, 2, 4, or 8).

Returned: when available

Sample: 2

ntp-servers

list / elements=string

The IP addresses of up to four Network Time Protocol (NTP) servers.

Returned: when available

Sample: [“10.0.0.1”, “10.0.1.1”]

dhcp_options

dictionary

The DHCP options created, associated or found

Returned: when available

dhcp_configurations

list / elements=string

The DHCP configuration for the option set

Returned: success

Sample: [“{\”key\”: \”ntp-servers\”, \”values\”: [{\”value\”: \”10.0.0.2\” , \”value\”: \”10.0.1.2\”}]}”, “{\”key\”: \”netbios-name-servers\”, \”values\”: [{value\”: \”10.0.0.1\”}, {\”value\”: \”10.0.1.1\” }]}”]

dhcp_options_id

string

The aws resource id of the primary DCHP options set created or found

Returned: success

Sample: “dopt-0955331de6a20dd07”

owner_id

string

The ID of the AWS account that owns the DHCP options set.

Returned: success

Sample: “012345678912”

tags

list / elements=string

The tags to be applied to a DHCP options set

Returned: success

Sample: [“{\”Key\”: \”CreatedBy\”, \”Value\”: \”ansible-test\”}”, “{\”Key\”: \”Collection\”, \”Value\”: \”amazon.aws\”}”]

dhcp_options_id

string

The aws resource id of the primary DCHP options set created, found or removed

Returned: when available

Authors

  • Joel Thompson (@joelthompson)