Mr.X

# -*- coding: utf-8 -*-
# Copyright: Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

from __future__ import absolute_import, division, print_function
__metaclass__ = type


DOCUMENTATION = '''
---
module: ec2_key
version_added: 1.0.0
short_description: Create or delete an EC2 key pair
description:
  - Create or delete an EC2 key pair.
options:
  name:
    description:
      - Name of the key pair.
    required: true
    type: str
  key_material:
    description:
      - Public key material.
    required: false
    type: str
  force:
    description:
      - Force overwrite of already existing key pair if key has changed.
    required: false
    default: true
    type: bool
  state:
    description:
      - Create or delete keypair.
    required: false
    choices: [ present, absent ]
    default: 'present'
    type: str
  key_type:
    description:
      - The type of key pair to create.
      - Note that ED25519 keys are not supported for Windows instances,
        EC2 Instance Connect, and EC2 Serial Console.
      - By default Amazon will create an RSA key.
      - Mutually exclusive with parameter I(key_material).
      - Requires at least botocore version 1.21.23.
    type: str
    choices:
      - rsa
      - ed25519
    version_added: 3.1.0
notes:
  - Support for I(tags) and I(purge_tags) was added in release 2.1.0.
extends_documentation_fragment:
  - amazon.aws.aws
  - amazon.aws.ec2
  - amazon.aws.tags
  - amazon.aws.boto3

author:
  - "Vincent Viallet (@zbal)"
  - "Prasad Katti (@prasadkatti)"
'''

EXAMPLES = '''
# Note: These examples do not set authentication details, see the AWS Guide for details.

- name: create a new EC2 key pair, returns generated private key
  amazon.aws.ec2_key:
    name: my_keypair

- name: create key pair using provided key_material
  amazon.aws.ec2_key:
    name: my_keypair
    key_material: 'ssh-rsa AAAAxyz...== me@example.com'

- name: create key pair using key_material obtained using 'file' lookup plugin
  amazon.aws.ec2_key:
    name: my_keypair
    key_material: "{{ lookup('file', '/path/to/public_key/id_rsa.pub') }}"

- name: Create ED25519 key pair
  amazon.aws.ec2_key:
    name: my_keypair
    key_type: ed25519

# try creating a key pair with the name of an already existing keypair
# but don't overwrite it even if the key is different (force=false)
- name: try creating a key pair with name of an already existing keypair
  amazon.aws.ec2_key:
    name: my_existing_keypair
    key_material: 'ssh-rsa AAAAxyz...== me@example.com'
    force: false

- name: remove key pair by name
  amazon.aws.ec2_key:
    name: my_keypair
    state: absent
'''

RETURN = '''
changed:
  description: whether a keypair was created/deleted
  returned: always
  type: bool
  sample: true
msg:
  description: short message describing the action taken
  returned: always
  type: str
  sample: key pair created
key:
  description: details of the keypair (this is set to null when state is absent)
  returned: always
  type: complex
  contains:
    fingerprint:
      description: fingerprint of the key
      returned: when state is present
      type: str
      sample: 'b0:22:49:61:d9:44:9d:0c:7e:ac:8a:32:93:21:6c:e8:fb:59:62:43'
    name:
      description: name of the keypair
      returned: when state is present
      type: str
      sample: my_keypair
    id:
      description: id of the keypair
      returned: when state is present
      type: str
      sample: key-123456789abc
    tags:
      description: a dictionary representing the tags attached to the key pair
      returned: when state is present
      type: dict
      sample: '{"my_key": "my value"}'
    private_key:
      description: private key of a newly created keypair
      returned: when a new keypair is created by AWS (key_material is not provided)
      type: str
      sample: '-----BEGIN RSA PRIVATE KEY-----
        MIIEowIBAAKC...
        -----END RSA PRIVATE KEY-----'
    type:
      description: type of a newly created keypair
      returned: when a new keypair is created by AWS
      type: str
      sample: rsa
      version_added: 3.1.0
'''

import uuid

try:
    import botocore
except ImportError:
    pass  # caught by AnsibleAWSModule

from ansible.module_utils._text import to_bytes

from ansible_collections.amazon.aws.plugins.module_utils.core import AnsibleAWSModule
from ansible_collections.amazon.aws.plugins.module_utils.core import is_boto3_error_code
from ansible_collections.amazon.aws.plugins.module_utils.core import scrub_none_parameters
from ansible_collections.amazon.aws.plugins.module_utils.ec2 import AWSRetry
from ansible_collections.amazon.aws.plugins.module_utils.ec2 import ensure_ec2_tags
from ansible_collections.amazon.aws.plugins.module_utils.tagging import boto3_tag_specifications
from ansible_collections.amazon.aws.plugins.module_utils.tagging import boto3_tag_list_to_ansible_dict


class Ec2KeyFailure(Exception):
    def __init__(self, message=None, original_e=None):
        super().__init__(message)
        self.original_e = original_e
        self.message = message


def _import_key_pair(ec2_client, name, key_material, tag_spec=None):
    params = {
        'KeyName': name,
        'PublicKeyMaterial': to_bytes(key_material),
        'TagSpecifications': tag_spec
    }

    params = scrub_none_parameters(params)

    try:
        key = ec2_client.import_key_pair(aws_retry=True, **params)
    except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as err:
        raise Ec2KeyFailure(err, "error importing key")
    return key


def extract_key_data(key, key_type=None):
    data = {
        'name': key['KeyName'],
        'fingerprint': key['KeyFingerprint'],
        'id': key['KeyPairId'],
        'tags': boto3_tag_list_to_ansible_dict(key.get('Tags') or []),
        # KeyMaterial is returned by create_key_pair, but not by describe_key_pairs
        'private_key': key.get('KeyMaterial'),
        # KeyType is only set by describe_key_pairs
        'type': key.get('KeyType') or key_type
    }

    return scrub_none_parameters(data)


def get_key_fingerprint(check_mode, ec2_client, key_material):
    '''
    EC2's fingerprints are non-trivial to generate, so push this key
    to a temporary name and make ec2 calculate the fingerprint for us.
    http://blog.jbrowne.com/?p=23
    https://forums.aws.amazon.com/thread.jspa?messageID=352828
    '''
    # find an unused name
    name_in_use = True
    while name_in_use:
        random_name = "ansible-" + str(uuid.uuid4())
        name_in_use = find_key_pair(ec2_client, random_name)
    temp_key = _import_key_pair(ec2_client, random_name, key_material)
    delete_key_pair(check_mode, ec2_client, random_name, finish_task=False)
    return temp_key['KeyFingerprint']


def find_key_pair(ec2_client, name):
    try:
        key = ec2_client.describe_key_pairs(aws_retry=True, KeyNames=[name])
    except is_boto3_error_code('InvalidKeyPair.NotFound'):
        return None
    except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as err:  # pylint: disable=duplicate-except
        raise Ec2KeyFailure(err, "error finding keypair")
    except IndexError:
        key = None

    return key['KeyPairs'][0]


def _create_key_pair(ec2_client, name, tag_spec, key_type):
    params = {
        'KeyName': name,
        'TagSpecifications': tag_spec,
        'KeyType': key_type,
    }

    params = scrub_none_parameters(params)

    try:
        key = ec2_client.create_key_pair(aws_retry=True, **params)
    except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as err:
        raise Ec2KeyFailure(err, "error creating key")
    return key


def create_new_key_pair(ec2_client, name, key_material, key_type, tags, check_mode):
    '''
    key does not exist, we create new key
    '''
    if check_mode:
        return {'changed': True, 'key': None, 'msg': 'key pair created'}

    tag_spec = boto3_tag_specifications(tags, ['key-pair'])
    if key_material:
        key = _import_key_pair(ec2_client, name, key_material, tag_spec)
    else:
        key = _create_key_pair(ec2_client, name, tag_spec, key_type)
    key_data = extract_key_data(key, key_type)

    result = {'changed': True, 'key': key_data, 'msg': 'key pair created'}
    return result


def update_key_pair_by_key_material(check_mode, ec2_client, name, key, key_material, tag_spec):
    if check_mode:
        return {'changed': True, 'key': None, 'msg': 'key pair updated'}
    new_fingerprint = get_key_fingerprint(check_mode, ec2_client, key_material)
    changed = False
    msg = "key pair already exists"
    if key['KeyFingerprint'] != new_fingerprint:
        delete_key_pair(check_mode, ec2_client, name, finish_task=False)
        key = _import_key_pair(ec2_client, name, key_material, tag_spec)
        msg = "key pair updated"
        changed = True
    key_data = extract_key_data(key)
    return {"changed": changed, "key": key_data, "msg": msg}


def update_key_pair_by_key_type(check_mode, ec2_client, name, key_type, tag_spec):
    if check_mode:
        return {'changed': True, 'key': None, 'msg': 'key pair updated'}
    else:
        delete_key_pair(check_mode, ec2_client, name, finish_task=False)
        key = _create_key_pair(ec2_client, name, tag_spec, key_type)
        key_data = extract_key_data(key, key_type)
        return {'changed': True, 'key': key_data, 'msg': "key pair updated"}


def _delete_key_pair(ec2_client, key_name):
    try:
        ec2_client.delete_key_pair(aws_retry=True, KeyName=key_name)
    except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as err:
        raise Ec2KeyFailure(err, "error deleting key")


def delete_key_pair(check_mode, ec2_client, name, finish_task=True):
    key = find_key_pair(ec2_client, name)

    if key and check_mode:
        result = {'changed': True, 'key': None, 'msg': 'key deleted'}
    elif not key:
        result = {'key': None, 'msg': 'key did not exist'}
    else:
        _delete_key_pair(ec2_client, name)
        if not finish_task:
            return
        result = {'changed': True, 'key': None, 'msg': 'key deleted'}

    return result


def handle_existing_key_pair_update(module, ec2_client, name, key):
    key_material = module.params.get('key_material')
    force = module.params.get('force')
    key_type = module.params.get('key_type')
    tags = module.params.get('tags')
    purge_tags = module.params.get('purge_tags')
    tag_spec = boto3_tag_specifications(tags, ['key-pair'])
    check_mode = module.check_mode
    if key_material and force:
        result = update_key_pair_by_key_material(check_mode, ec2_client, name, key, key_material, tag_spec)
    elif key_type and key_type != key['KeyType']:
        result = update_key_pair_by_key_type(check_mode, ec2_client, name, key_type, tag_spec)
    else:
        changed = False
        changed |= ensure_ec2_tags(ec2_client, module, key['KeyPairId'], tags=tags, purge_tags=purge_tags)
        key = find_key_pair(ec2_client, name)
        key_data = extract_key_data(key)
        result = {"changed": changed, "key": key_data, "msg": "key pair already exists"}
    return result


def main():

    argument_spec = dict(
        name=dict(required=True),
        key_material=dict(no_log=False),
        force=dict(type='bool', default=True),
        state=dict(default='present', choices=['present', 'absent']),
        tags=dict(type='dict', aliases=['resource_tags']),
        purge_tags=dict(type='bool', default=True),
        key_type=dict(type='str', choices=['rsa', 'ed25519']),
    )

    module = AnsibleAWSModule(
        argument_spec=argument_spec,
        mutually_exclusive=[
            ['key_material', 'key_type']
        ],
        supports_check_mode=True
    )

    ec2_client = module.client('ec2', retry_decorator=AWSRetry.jittered_backoff())

    name = module.params['name']
    state = module.params.get('state')
    key_material = module.params.get('key_material')
    key_type = module.params.get('key_type')
    tags = module.params.get('tags')

    result = {}

    if key_type:
        module.require_botocore_at_least('1.21.23', reason='to set the key_type for a keypair')
    try:
        if state == 'absent':
            result = delete_key_pair(module.check_mode, ec2_client, name)

        elif state == 'present':
            # check if key already exists
            key = find_key_pair(ec2_client, name)
            if key:
                result = handle_existing_key_pair_update(module, ec2_client, name, key)
            else:
                result = create_new_key_pair(ec2_client, name, key_material, key_type, tags, module.check_mode)

    except Ec2KeyFailure as e:
        if e.original_e:
            module.fail_json_aws(e.original_e, e.message)
        else:
            module.fail_json(e.message)

    module.exit_json(**result)


if __name__ == '__main__':
    main()

Name	Type	Size	Permission
__pycache__	Folder		0755
autoscaling_group.py	File	82.17 KB	0644
autoscaling_group_info.py	File	16.46 KB	0644
aws_az_info.py	File	6.12 KB	0644
aws_caller_info.py	File	3.66 KB	0644
cloudformation.py	File	35.27 KB	0644
cloudformation_info.py	File	19.77 KB	0644
cloudtrail.py	File	24 KB	0644
cloudtrail_info.py	File	9.68 KB	0644
cloudwatch_metric_alarm.py	File	18.87 KB	0644
cloudwatch_metric_alarm_info.py	File	11.32 KB	0644
cloudwatchevent_rule.py	File	18.49 KB	0644
cloudwatchlogs_log_group.py	File	13.58 KB	0644
cloudwatchlogs_log_group_info.py	File	4.72 KB	0644
cloudwatchlogs_log_group_metric_filter.py	File	7.12 KB	0644
ec2_ami.py	File	31.7 KB	0644
ec2_ami_info.py	File	9.32 KB	0644
ec2_eip.py	File	24.46 KB	0644
ec2_eip_info.py	File	4.36 KB	0644
ec2_eni.py	File	33.18 KB	0644
ec2_eni_info.py	File	9.94 KB	0644
ec2_instance.py	File	87.54 KB	0644
ec2_instance_info.py	File	22.73 KB	0644
ec2_key.py	File	12.67 KB	0644
ec2_metadata_facts.py	File	29.53 KB	0644
ec2_security_group.py	File	62.18 KB	0644
ec2_security_group_info.py	File	10.7 KB	0644
ec2_snapshot.py	File	13.31 KB	0644
ec2_snapshot_info.py	File	10.67 KB	0644
ec2_spot_instance.py	File	24.21 KB	0644
ec2_spot_instance_info.py	File	10.6 KB	0644
ec2_tag.py	File	4.97 KB	0644
ec2_tag_info.py	File	1.78 KB	0644
ec2_vol.py	File	31.01 KB	0644
ec2_vol_info.py	File	6.89 KB	0644
ec2_vpc_dhcp_option.py	File	21.87 KB	0644
ec2_vpc_dhcp_option_info.py	File	7.19 KB	0644
ec2_vpc_endpoint.py	File	18.54 KB	0644
ec2_vpc_endpoint_info.py	File	9.74 KB	0644
ec2_vpc_endpoint_service_info.py	File	5.61 KB	0644
ec2_vpc_igw.py	File	8.65 KB	0644
ec2_vpc_igw_info.py	File	6 KB	0644
ec2_vpc_nat_gateway.py	File	31.08 KB	0644
ec2_vpc_nat_gateway_info.py	File	7.28 KB	0644
ec2_vpc_net.py	File	26.35 KB	0644
ec2_vpc_net_info.py	File	10.16 KB	0644
ec2_vpc_route_table.py	File	33.92 KB	0644
ec2_vpc_route_table_info.py	File	8.92 KB	0644
ec2_vpc_subnet.py	File	21.59 KB	0644
ec2_vpc_subnet_info.py	File	7.1 KB	0644
elb_application_lb.py	File	32.32 KB	0644
elb_application_lb_info.py	File	13.22 KB	0644
elb_classic_lb.py	File	78.43 KB	0644
iam_policy.py	File	10.46 KB	0644
iam_policy_info.py	File	5.9 KB	0644
iam_user.py	File	21.6 KB	0644
iam_user_info.py	File	5.96 KB	0644
kms_key.py	File	38.2 KB	0644
kms_key_info.py	File	18.46 KB	0644
lambda.py	File	33.54 KB	0644
lambda_alias.py	File	10.47 KB	0644
lambda_event.py	File	15.42 KB	0644
lambda_execute.py	File	10.08 KB	0644
lambda_info.py	File	20.06 KB	0644
lambda_layer.py	File	12.31 KB	0644
lambda_layer_info.py	File	7.39 KB	0644
lambda_policy.py	File	13.45 KB	0644
rds_cluster.py	File	46.03 KB	0644
rds_cluster_info.py	File	10.62 KB	0644
rds_cluster_snapshot.py	File	12.69 KB	0644
rds_instance.py	File	63.34 KB	0644
rds_instance_info.py	File	12.63 KB	0644
rds_instance_snapshot.py	File	12.26 KB	0644
rds_option_group.py	File	23.86 KB	0644
rds_option_group_info.py	File	12.56 KB	0644
rds_param_group.py	File	13.04 KB	0644
rds_snapshot_info.py	File	12.4 KB	0644
rds_subnet_group.py	File	13.05 KB	0644
route53.py	File	28.19 KB	0644
route53_health_check.py	File	24.4 KB	0644
route53_info.py	File	32.05 KB	0644
route53_zone.py	File	19.93 KB	0644
s3_bucket.py	File	52.93 KB	0644
s3_object.py	File	55.57 KB	0644
s3_object_info.py	File	32.55 KB	0644

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