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okta-aws-create-role-per-user-per-account.py
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########
# Copyright (c) 2017 GigaSpaces Technologies Ltd. All rights reserved
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# * See the License for the specific language governing permissions and
# * limitations under the License.
import boto3
import json
import requests
import yaml
import logging
def _config_var(config_file_path):
with open(config_file_path) as config:
conf_vars = yaml.load(config.read())
return conf_vars
log_format =\
'[%(asctime)s] {%(filename)s:%(lineno)d} %(levelname)s - %(message)s'
logging.basicConfig(
format=log_format, datefmt='%m-%d %H:%M:%S', level=logging.INFO)
logger = logging.getLogger(__name__)
conf_vars = _config_var(
'/home/yuvalm-pcu/Documents/scripts/okta-aws-config.yaml')
accounts = conf_vars['accounts']
# okta API
okta_api_access_token = conf_vars['okta_api_access_token']
okta_api_org = conf_vars['okta_api_org']
headers = {'Accept': 'application/json', 'Content-Type': 'application/json',
"Authorization": 'SSWS {0}'.format(okta_api_access_token)}
xml_headers = {'Accept': 'application/xml', 'Content-Type': 'application/json',
"Authorization": 'SSWS {0}'.format(okta_api_access_token)}
list_okta_apps = \
"https://{0}.okta.com/api/v1/apps?limit=200".format(okta_api_org)
request_for_get_okta_apps = requests.get(list_okta_apps, headers=headers)
get_okta_apps = request_for_get_okta_apps.json()
okta_user_list_all_roles_policy_document = {
"Version": "2012-10-17",
"Statement": {
"Effect": "Allow",
"Action": "iam:ListRoles",
"Resource": "*"
}
}
okta_user_list_all_roles_policy_document = \
json.dumps(okta_user_list_all_roles_policy_document)
okta_user_assume_role_for_all_resources_policy_document = {
"Version": "2012-10-17",
"Statement": {
"Effect": "Allow",
"Action": "sts:AssumeRole",
"Resource": "*"
}
}
okta_user_assume_role_for_all_resources_policy_document = \
json.dumps(okta_user_assume_role_for_all_resources_policy_document)
for account_name, account_id in accounts.items():
session = boto3.Session(profile_name=account_name)
iam = session.client('iam')
logger.info('Working on {0} aws account'.format(account_name))
for app in get_okta_apps:
if account_name == app['label']:
identity_provider_name = 'Okta'
try:
logger.info(
'Creating the identity porvider: {1} in'
' {0} aws account'.format(
account_name, identity_provider_name))
okta_app_metadata = \
'https://{2}.okta.com/api/v1/apps/{0}/sso/saml/'\
'metadata?kid={1}'.format(
app['id'],
app['credentials']['signing']['kid'],
okta_api_org)
request_for_get_okta_app_metadata = requests.get(
okta_app_metadata, headers=xml_headers)
get_okta_app_metadata =\
request_for_get_okta_app_metadata.content
response = iam.create_saml_provider(
SAMLMetadataDocument=get_okta_app_metadata,
Name=identity_provider_name
)
except iam.exceptions.EntityAlreadyExistsException:
logger.warning('The Identity provider {0} is already exist, '
'you can change the Identity provider name for '
'creating a new Identity provider'.format(
identity_provider_name))
okta_user_with_permissions = 'OktaSSO'
okta_group_with_permissions = 'OktaSSO-Group'
logger.info(
'Creating user with permission for listing and assuming all '
'roles in {0} aws account'.format(account_name))
try:
iam.create_user(UserName=okta_user_with_permissions)
except iam.exceptions.EntityAlreadyExistsException:
logger.warning(
'The user {0} already exist, '
'you can change the user name for creating a new user'.format(
okta_user_with_permissions))
try:
iam.create_group(GroupName=okta_group_with_permissions)
except iam.exceptions.EntityAlreadyExistsException:
logger.warning('The group {0} already exist, '
'you can change the group name for '
'creating a new group'.format(
okta_group_with_permissions))
okta_user_list_all_roles_policy_name = 'okta_user_list_all_roles_policy'
try:
okta_user_list_all_roles_policy = \
iam.create_policy(
PolicyName=okta_user_list_all_roles_policy_name,
PolicyDocument=okta_user_list_all_roles_policy_document)
except iam.exceptions.EntityAlreadyExistsException:
logger.warning(
'The policy {0} already exist, '
'you can change the policy'
' name for creating a new policy'.format(
okta_user_list_all_roles_policy_name))
okta_user_assume_role_for_all_resources_policy_name =\
'okta_user_assume_role_for_all_resources_policy'
try:
okta_user_assume_role_for_all_resources_policy =\
iam.create_policy(
PolicyName=okta_user_assume_role_for_all_resources_policy_name,
PolicyDocument=okta_user_assume_role_for_all_resources_policy_document)
except iam.exceptions.EntityAlreadyExistsException:
logger.warning(
'The policy {0} already exist, '
'you can change the policy name'
' for creating a new policy'.format(
okta_user_assume_role_for_all_resources_policy_name))
try:
okta_user_list_all_roles_policy_arn =\
okta_user_list_all_roles_policy['Policy']['Arn']
except NameError:
okta_user_list_all_roles_policy_arn =\
'arn:aws:iam::{0}:policy/' \
'okta_user_list_all_roles_policy'.format(account_id)
try:
okta_user_assume_role_for_all_resources_policy_arn =\
okta_user_assume_role_for_all_resources_policy['Policy']['Arn']
except NameError:
okta_user_assume_role_for_all_resources_policy_arn =\
'arn:aws:iam::{0}:policy/' \
'okta_user_assume_role_for_all_resources_policy'.format(account_id)
iam.attach_group_policy(GroupName=okta_group_with_permissions,
PolicyArn=okta_user_list_all_roles_policy_arn)
iam.attach_group_policy(GroupName=okta_group_with_permissions,
PolicyArn=okta_user_assume_role_for_all_resources_policy_arn)
iam.add_user_to_group(GroupName=okta_group_with_permissions,
UserName=okta_user_with_permissions)
assume_role_for_identity_provider_access = {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "sts:AssumeRoleWithSAML",
"Principal": {
"Federated": "arn:aws:iam::{0}:saml-provider/Okta".format(
account_id)
},
"Condition": {
"StringEquals": {
"SAML:aud": "https://signin.aws.amazon.com/saml"}}}]}
assume_role_for_identity_provider_access =\
json.dumps(assume_role_for_identity_provider_access)
list_users_paginator = iam.get_paginator('list_users')
list_users = list_users_paginator.paginate()
list_user_details = list_users.build_full_result()
for user in list_user_details['Users']:
username = user['UserName']
role_name = '{0}-{1}'.format(username, account_name)
logger.info('Creating the role {2} in the {0} for the user {1}'.format(
account_name, username, role_name))
all_policies_names = []
list_policies_paginator = iam.get_paginator('list_policies')
list_policies = list_policies_paginator.paginate()
list_policy_details = list_policies.build_full_result()
for policy in list_policy_details['Policies']:
all_policies_names.append(policy['PolicyName'])
assume_role_policy_name = '{0}-{1}-policy'.format(username,
account_name)
try:
iam.create_role(
RoleName=role_name,
AssumeRolePolicyDocument=assume_role_for_identity_provider_access)
except iam.exceptions.EntityAlreadyExistsException:
logger.warning(
'The role {0} already exist, '
'you can change the role name for creating a new role'.format(
role_name))
except iam.exceptions.ClientError:
logger.error(
'The role {0} is too long, '
'you can change the role name to a shorter one.'.format(
role_name))
# attach user's inline policies to role_name
list_user_inline_policies_paginator =\
iam.get_paginator('list_user_policies')
list_user_inline_policies =\
list_user_inline_policies_paginator.paginate(UserName=username)
list_user_inline_policies_details =\
list_user_inline_policies.build_full_result()
for inline_policy in list_user_inline_policies_details['PolicyNames']:
if inline_policy in all_policies_names:
inline_policy_arn = 'arn:aws:iam::{0}:policy/{1}'.format(
account_id, inline_policy)
try:
iam.attach_role_policy(
PolicyArn=inline_policy_arn, RoleName=role_name)
except iam.exceptions.NoSuchEntityException:
inline_policy_arn = 'arn:aws:iam::aws:policy/{1}'.format(
account_id, inline_policy)
iam.attach_role_policy(
PolicyArn=inline_policy_arn, RoleName=role_name)
except iam.exceptions.ClientError:
logger.error(
'The role {0} got to his maximum policies attached, '
'contact AWS support for '
'increasing the limit of PoliciesPerRole').format(
role_name)
else:
user_inline_policy_details =\
iam.get_user_policy(
UserName=username, PolicyName=inline_policy)
user_inline_policy_document =\
json.dumps(user_inline_policy_details['PolicyDocument'])
try:
new_aws_managed_policy =\
iam.create_policy(
PolicyName=inline_policy,
PolicyDocument=user_inline_policy_document)
except iam.exceptions.EntityAlreadyExistsException:
logger.warning(
'The policy {0} already exist, '
'you can change the policy name for '
'creating a new policy'.format(inline_policy))
except iam.exceptions.MalformedPolicyDocumentException:
user_inline_policy_details['PolicyDocument']["Version"] =\
"2012-10-17"
user_inline_policy_document =\
json.dumps(
user_inline_policy_details['PolicyDocument'])
new_aws_managed_policy =\
iam.create_policy(
PolicyName=inline_policy,
PolicyDocument=user_inline_policy_document)
new_aws_managed_policy_arn =\
new_aws_managed_policy['Policy']['Arn']
try:
iam.attach_role_policy(
PolicyArn=new_aws_managed_policy_arn,
RoleName=role_name)
except iam.exceptions.ClientError:
logger.error(
'The role {0} got to his maximum policies attached, '
'contact AWS support for increasing the limit quotas '
'for PoliciesPerRole in the account {1}'.format(
role_name, account_name))
all_policies_names.append(inline_policy)
# attach user's aws managed policies to role_name
list_user_attached_policies_paginator =\
iam.get_paginator('list_attached_user_policies')
list_user_attached_policies =\
list_user_attached_policies_paginator.paginate(UserName=username)
list_user_attached_policies_details =\
list_user_attached_policies.build_full_result()
for attached_policy in\
list_user_attached_policies_details['AttachedPolicies']:
user_attached_policy_arn = attached_policy['PolicyArn']
try:
iam.attach_role_policy(
PolicyArn=user_attached_policy_arn, RoleName=role_name)
except iam.exceptions.ClientError:
logger.error(
'The role {0} got to his maximum policies attached, '
'contact AWS support for increasing the limit quotas for '
'PoliciesPerRole in the account {1}'.format(
role_name, account_name))
list_user_groups_paginator = iam.get_paginator('list_groups_for_user')
list_user_groups = list_user_groups_paginator.paginate(
UserName=username)
list_user_groups_details = list_user_groups.build_full_result()
for group in list_user_groups_details['Groups']:
group_name = group['GroupName']
# attach group's inline policies to role_name
list_group_inline_policies_paginator =\
iam.get_paginator('list_group_policies')
list_group_inline_policies =\
list_group_inline_policies_paginator.paginate(
GroupName=group_name)
list_group_inline_policies_details =\
list_group_inline_policies.build_full_result()
for inline_policy in\
list_group_inline_policies_details['PolicyNames']:
if inline_policy in all_policies_names:
inline_policy_arn =\
'arn:aws:iam::{0}:policy/{1}'.format(
account_id, inline_policy)
try:
iam.attach_role_policy(
PolicyArn=inline_policy_arn, RoleName=role_name)
except iam.exceptions.NoSuchEntityException:
inline_policy_arn =\
'arn:aws:iam::aws:policy/{0}'.format(inline_policy)
iam.attach_role_policy(
PolicyArn=inline_policy_arn, RoleName=role_name)
except iam.exceptions.ClientError:
logger.error(
'The role {0} got to his maximum '
'policies attached, contact AWS support for '
'increasing the limit quotas for '
'PoliciesPerRole in the account {1}'.format(
role_name, account_name))
else:
group_inline_policy_details =\
iam.get_group_policy(
GroupName=group_name, PolicyName=inline_policy)
group_inline_policy_document =\
json.dumps(
group_inline_policy_details['PolicyDocument'])
try:
new_aws_managed_policy =\
iam.create_policy(
PolicyName=inline_policy,
PolicyDocument=group_inline_policy_document)
except iam.exceptions.EntityAlreadyExistsException:
logger.warning(
'The policy {0} already exist, '
'you can change the policy name for '
'creating a new policy'.format(inline_policy))
except iam.exceptions.MalformedPolicyDocumentException:
group_inline_policy_details[
'PolicyDocument']["Version"] = "2012-10-17"
group_inline_policy_document =\
json.dumps(
group_inline_policy_details['PolicyDocument'])
new_aws_managed_policy =\
iam.create_policy(
PolicyName=inline_policy,
PolicyDocument=group_inline_policy_document)
new_aws_managed_policy_arn =\
new_aws_managed_policy['Policy']['Arn']
try:
iam.attach_role_policy(
PolicyArn=new_aws_managed_policy_arn,
RoleName=role_name)
except iam.exceptions.ClientError:
logger.error(
'The role {0} got to his maximum '
'policies attached, contact AWS support for '
'increasing the limit quotas for '
'PoliciesPerRole in the account {1}'.format(
role_name, account_name))
all_policies_names.append(inline_policy)
# attach group's aws managed policies to role_name
list_group_attached_policies_paginator =\
iam.get_paginator('list_attached_group_policies')
list_group_attached_policies =\
list_group_attached_policies_paginator.paginate(
GroupName=group_name)
list_group_attached_policies_details =\
list_group_attached_policies.build_full_result()
for attached_policy in\
list_group_attached_policies_details['AttachedPolicies']:
group_attached_policy_arn = attached_policy['PolicyArn']
try:
iam.attach_role_policy(
PolicyArn=group_attached_policy_arn,
RoleName=role_name)
except iam.exceptions.ClientError:
logger.error(
'The role {0} got to his maximum '
'policies attached, contact AWS support for '
'increasing the limit quotas for '
'PoliciesPerRole in the account {1}'.format(
role_name, account_name))