iam_user password management support (ansible-collections#822)

iam_user password management support

SUMMARY
The iam module currently supports password management for IAM users, but the newer  iam_user module does not currently. This PR adds the password management functionality to bring parity with the old module.
To ensure the IAM user is properly created before adding a login profile, the waiter for the IAM creation has also been added.
ISSUE TYPE

Feature Pull Request

COMPONENT NAME
iam_user
ADDITIONAL INFORMATION
The added functionality uses the create_login_profile and update_login_profile methods:
https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/iam.html#IAM.Client.create_login_profile
https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/iam.html#IAM.Client.update_login_profile
Local integration tests run:
ansible-test integration --docker centos8 -vv iam_user --allow-unsupported
...
PLAY RECAP *********************************************************************
testhost                   : ok=92   changed=24   unreachable=0    failed=0    skipped=0    rescued=0    ignored=2   

AWS ACTIONS: ['iam:AddUserToGroup', 'iam:AttachUserPolicy', 'iam:CreateGroup', 'iam:CreateLoginProfile', 'iam:CreateUser', 'iam:DeleteGroup', 'iam:DeleteLoginProfile', 'iam:DeleteUser', 'iam:DetachUserPolicy', 'iam:GetGroup', 'iam:GetUser', 'iam:ListAccessKeys', 'iam:ListAttachedGroupPolicies', 'iam:ListAttachedUserPolicies', 'iam:ListGroupsForUser', 'iam:ListMFADevices', 'iam:ListPolicies', 'iam:ListSSHPublicKeys', 'iam:ListServiceSpecificCredentials', 'iam:ListSigningCertificates', 'iam:ListUserPolicies', 'iam:ListUsers', 'iam:RemoveUserFromGroup', 'iam:TagUser', 'iam:UntagUser', 'iam:UpdateLoginProfile']

Reviewed-by: Markus Bergholz <[email protected]>
Reviewed-by: Mark Chappell <None>
Reviewed-by: None <None>

iam_user.py

@@ -12,14 +12,36 @@
 version_added: 1.0.0
 short_description: Manage AWS IAM users
 description:
-  - Manage AWS IAM users.
+  - A module to manage AWS IAM users.
+  - The module does not manage groups that users belong to, groups memberships can be managed using `iam_group`.
 author: Josh Souza (@joshsouza)
 options:
   name:
     description:
       - The name of the user to create.
     required: true
     type: str
+  password:
+    description:
+      - The password to apply to the user.
+    required: false
+    type: str
+    version_added: 2.2.0
+  update_password:
+    default: always
+    choices: ['always', 'on_create']
+    description:
+      - When to update user passwords.
+      - I(update_password=always) will ensure the password is set to I(password).
+      - I(update_password=on_create) will only set the password for newly created users.
+    type: str
+    version_added: 2.2.0
+  remove_password:
+    description:
+      - Option to delete user login passwords.
+      - This field is mutually exclusive to I(password).
+    type: 'bool'
+    version_added: 2.2.0
   managed_policies:
     description:
       - A list of managed policy ARNs or friendly names to attach to the user.
@@ -36,7 +58,7 @@
     type: str
   purge_policies:
     description:
-      - When I(purge_policies=true) any managed policies not listed in I(managed_policies) will be detatched.
+      - When I(purge_policies=true) any managed policies not listed in I(managed_policies) will be detached.
     required: false
     default: false
     type: bool
@@ -53,6 +75,19 @@
     default: true
     type: bool
     version_added: 2.1.0
+  wait:
+    description:
+      - When I(wait=True) the module will wait for up to I(wait_timeout) seconds
+        for IAM user creation before returning.
+    default: True
+    type: bool
+    version_added: 2.2.0
+  wait_timeout:
+    description:
+      - How long (in seconds) to wait for creation / updates to complete.
+    default: 120
+    type: int
+    version_added: 2.2.0
 extends_documentation_fragment:
 - amazon.aws.aws
 - amazon.aws.ec2
@@ -70,6 +105,12 @@
     name: testuser1
     state: present
 
+- name: Create a user with a password
+  community.aws.iam_user:
+    name: testuser1
+    password: SomeSecurePassword
+    state: present
+
 - name: Create a user and attach a managed policy using its ARN
   community.aws.iam_user:
     name: testuser1
@@ -179,15 +220,75 @@ def convert_friendly_names_to_arns(connection, module, policy_names):
         module.fail_json(msg="Couldn't find policy: " + str(e))
 
 
+def wait_iam_exists(connection, module):
+    if module.check_mode:
+        return
+    if not module.params.get('wait'):
+        return
+
+    user_name = module.params.get('name')
+    wait_timeout = module.params.get('wait_timeout')
+
+    delay = min(wait_timeout, 5)
+    max_attempts = wait_timeout // delay
+
+    try:
+        waiter = connection.get_waiter('user_exists')
+        waiter.wait(
+            WaiterConfig={'Delay': delay, 'MaxAttempts': max_attempts},
+            UserName=user_name,
+        )
+    except botocore.exceptions.WaiterError as e:
+        module.fail_json_aws(e, msg='Timeout while waiting on IAM user creation')
+    except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
+        module.fail_json_aws(e, msg='Failed while waiting on IAM user creation')
+
+
+def create_or_update_login_profile(connection, module):
+
+    # Apply new password / update password for the user
+    user_params = dict()
+    user_params['UserName'] = module.params.get('name')
+    user_params['Password'] = module.params.get('password')
+
+    try:
+        connection.update_login_profile(**user_params)
+    except is_boto3_error_code('NoSuchEntity'):
+        try:
+            connection.create_login_profile(**user_params)
+        except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
+            module.fail_json_aws(e, msg="Unable to create user login profile")
+    except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:  # pylint: disable=duplicate-except
+        module.fail_json_aws(e, msg="Unable to update user login profile")
+
+    return True
+
+
+def delete_login_profile(connection, module):
+
+    user_params = dict()
+    user_params['UserName'] = module.params.get('name')
+
+    try:
+        connection.delete_login_profile(**user_params)
+    except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
+        module.fail_json_aws(e, msg="Unable to delete user login profile")
+
+    return True
+
+
 def create_or_update_user(connection, module):
 
     params = dict()
     params['UserName'] = module.params.get('name')
     managed_policies = module.params.get('managed_policies')
     purge_policies = module.params.get('purge_policies')
+
     if module.params.get('tags') is not None:
         params["Tags"] = ansible_dict_to_boto3_tag_list(module.params.get('tags'))
+
     changed = False
+
     if managed_policies:
         managed_policies = convert_friendly_names_to_arns(connection, module, managed_policies)
 
@@ -205,8 +306,23 @@ def create_or_update_user(connection, module):
             changed = True
         except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
             module.fail_json_aws(e, msg="Unable to create user")
+
+        # Wait for user to be fully available before continuing
+        if module.params.get('wait'):
+            wait_iam_exists(connection, module)
+
+        if module.params.get('password') is not None:
+            create_or_update_login_profile(connection, module)
     else:
-        changed = update_user_tags(connection, module, params, user)
+        login_profile_result = None
+        update_result = update_user_tags(connection, module, params, user)
+
+        if module.params['update_password'] == "always" and module.params.get('password') is not None:
+            login_profile_result = create_or_update_login_profile(connection, module)
+        elif module.params.get('remove_password'):
+            login_profile_result = delete_login_profile(connection, module)
+
+        changed = bool(update_result) or bool(login_profile_result)
 
     # Manage managed policies
     current_attached_policies = get_attached_policy_list(connection, module, params['UserName'])
@@ -388,16 +504,22 @@ def main():
 
     argument_spec = dict(
         name=dict(required=True, type='str'),
+        password=dict(type='str', no_log=True),
+        update_password=dict(default='always', choices=['always', 'on_create'], no_log=False),
+        remove_password=dict(type='bool'),
         managed_policies=dict(default=[], type='list', aliases=['managed_policy'], elements='str'),
         state=dict(choices=['present', 'absent'], required=True),
         purge_policies=dict(default=False, type='bool', aliases=['purge_policy', 'purge_managed_policies']),
         tags=dict(type='dict'),
         purge_tags=dict(type='bool', default=True),
+        wait=dict(type='bool', default=True),
+        wait_timeout=dict(default=120, type='int'),
     )
 
     module = AnsibleAWSModule(
         argument_spec=argument_spec,
-        supports_check_mode=True
+        supports_check_mode=True,
+        mutually_exclusive=[['password', 'remove_password']]
     )
 
     connection = module.client('iam')