def _repo_stats(output_file: str, account_number: str = "") -> None:
"""
Create a csv file with stats about roles, total permissions, and applicable filters over time
Args:
output_file (string): the name of the csv file to write
account_number (string): if specified only display roles from selected account, otherwise display all
Returns:
None
"""
role_ids: Iterable[str]
if account_number:
access_advisor_datasource = AccessAdvisorDatasource()
access_advisor_datasource.seed(account_number)
iam_datasource = IAMDatasource()
role_ids = iam_datasource.seed(account_number)
else:
role_ids = role_ids_for_all_accounts()
headers = [
"RoleId",
"Role Name",
"Account",
"Active",
"Date",
"Source",
"Permissions Count",
"Repoable Permissions Count",
"Disqualified By",
]
rows = []
roles = RoleList.from_ids(
role_ids, fields=["RoleId", "RoleName", "Account", "Active", "Stats"])
for role in roles:
for stats_entry in role.stats:
rows.append([
role.role_id,
role.role_name,
role.account,
role.active,
stats_entry["Date"],
stats_entry["Source"],
stats_entry["PermissionsCount"],
stats_entry.get("RepoablePermissionsCount", 0),
stats_entry.get("DisqualifiedBy", []),
])
try:
with open(output_file, "w") as csvfile:
csv_writer = csv.writer(csvfile)
csv_writer.writerow(headers)
for row in rows:
csv_writer.writerow(row)
except IOError as e:
LOGGER.error("Unable to write file {}: {}".format(output_file, e),
exc_info=True)
else:
LOGGER.info("Successfully wrote stats to {}".format(output_file))
def test_iam_get():
ds = IAMDatasource()
arn = "pretend_arn"
expected = {"a": "b"}
ds._data = {arn: expected}
result = ds.get(arn)
assert result == expected
def _fetch_iam_data(self) -> IAMEntry:
iam_datasource = IAMDatasource()
role_data = iam_datasource.get(self.arn)
role_id = role_data.get("RoleId")
if role_id:
self.role_id = role_id
return role_data
def _fetch_iam_data(self) -> IAMEntry:
iam_datasource = IAMDatasource()
role_data = iam_datasource.get(self.arn)
role_id = role_data.get("RoleId")
if role_id:
self.role_id = role_id
create_date = role_data.get("CreateDate")
if create_date:
self.create_date = create_date
return role_data
def test_iam_seed(mock_fetch_account):
ds = IAMDatasource()
arn = "pretend_arn"
account_number = "123456789012"
expected = {arn: {"a": "b"}}
mock_fetch_account.return_value = expected
ds.seed(account_number)
mock_fetch_account.assert_called_once()
assert mock_fetch_account.call_args[0][0] == account_number
assert ds._data == expected
# make sure fetched data gets cached
assert arn in ds._data
assert ds._data[arn] == {"a": "b"}
def purge_datasources():
datasources: List[DatasourcePlugin] = [
AccessAdvisorDatasource(),
IAMDatasource(),
ConfigDatasource(),
]
for ds in datasources:
ds.reset()
yield
for ds in datasources:
ds.reset()
def _update_role_cache(
account_number: str,
config: RepokidConfig,
hooks: RepokidHooks,
) -> None:
"""
Update data about all roles in a given account:
1) list all the roles and initiate a role object with basic data including name and roleID
2) get inline policies for each of the roles
3) build a list of active roles - we'll want to keep data about roles that may have been deleted in case we
need to restore them, so if we used to have a role and now we don't see it we'll mark it inactive
4) update data about the roles in Dynamo
5) mark inactive roles in Dynamo
6) load and instantiate filter plugins
7) for each filter determine the list of roles that it filters
8) update data in Dynamo about filters
9) get Aardvark data for each role
10) update Dynamo with Aardvark data
11) calculate repoable permissions/policies for all the roles
12) update Dynamo with information about how many total and repoable permissions and which services are repoable
13) update stats in Dynamo with basic information like total permissions and which filters are applicable
Args:
account_number (string): The current account number Repokid is being run against
Returns:
None
"""
access_advisor_datasource = AccessAdvisorDatasource()
access_advisor_datasource.seed(account_number)
iam_datasource = IAMDatasource()
role_ids = iam_datasource.seed(account_number)
# We only iterate over the newly-seeded data (`role_ids`) so we don't duplicate work for runs on multiple accounts
roles = RoleList([Role(**iam_datasource[role_id]) for role_id in role_ids])
LOGGER.info("Updating role data for account {}".format(account_number))
for role in tqdm(roles):
role.account = account_number
role.gather_role_data(hooks, config=config, source="Scan", store=False)
LOGGER.info("Finding inactive roles in account {}".format(account_number))
find_and_mark_inactive(account_number, roles)
LOGGER.info("Filtering roles")
plugins = get_filter_plugins(account_number, config=config)
for plugin in plugins.filter_plugins:
filtered_list = plugin.apply(roles)
class_name = plugin.__class__.__name__
for filtered_role in filtered_list:
LOGGER.debug("Role {} filtered by {}".format(
filtered_role.role_name, class_name))
# There may be existing duplicate records, so we do a dance here to dedupe them.
disqualified_by = set(filtered_role.disqualified_by)
disqualified_by.add(class_name)
filtered_role.disqualified_by = list(disqualified_by)
for role in roles:
LOGGER.debug(
"Role {} in account {} has\nrepoable permissions: {}\nrepoable services: {}"
.format(
role.role_name,
account_number,
role.repoable_permissions,
role.repoable_services,
))
LOGGER.info(
"Storing updated role data in account {}".format(account_number))
roles.store()
def test_iam_get_fallback_not_found(mock_fetch):
mock_fetch.side_effect = NotFoundError
ds = IAMDatasource()
arn = "arn:aws:iam::12345678901:role/test"
with pytest.raises(NotFoundError):
_ = ds.get(arn)
def _repo_all_roles(
account_number: str,
config: RepokidConfig,
hooks: RepokidHooks,
commit: bool = False,
scheduled: bool = True,
limit: int = -1,
) -> None:
"""
Repo all scheduled or eligible roles in an account. Collect any errors and display them at the end.
Args:
account_number (string)
dynamo_table
config
commit (bool): actually make the changes
scheduled (bool): if True only repo the scheduled roles, if False repo all the (eligible) roles
limit (int): limit number of roles to be repoed per run (< 0 is unlimited)
Returns:
None
"""
access_advisor_datasource = AccessAdvisorDatasource()
access_advisor_datasource.seed(account_number)
iam_datasource = IAMDatasource()
role_arns = iam_datasource.seed(account_number)
errors = []
roles = RoleList.from_arns(role_arns, config=config)
roles = roles.get_active()
if scheduled:
roles = roles.get_scheduled()
if not roles:
LOGGER.info(f"No roles to repo in account {account_number}")
return
LOGGER.info(
"Repoing these {}roles from account {}:\n\t{}".format(
"scheduled " if scheduled else "",
account_number,
", ".join([role.role_name for role in roles]),
)
)
repokid.hooks.call_hooks(
hooks, "BEFORE_REPO_ROLES", {"account_number": account_number, "roles": roles}
)
count = 0
repoed = RoleList([])
for role in roles:
if limit >= 0 and count == limit:
break
role_errors = role.repo(hooks, commit=commit, scheduled=scheduled)
if role_errors:
errors.extend(role_errors)
repoed.append(role)
count += 1
if errors:
LOGGER.error(f"Error(s) during repo in account: {account_number}: {errors}")
LOGGER.info(f"Successfully repoed {count} roles in account {account_number}")
repokid.hooks.call_hooks(
hooks,
"AFTER_REPO_ROLES",
{"account_number": account_number, "roles": repoed, "errors": errors},
)
def test_iam_get_fallback_not_found():
ds = IAMDatasource()
arn = "pretend_arn"
with pytest.raises(NotFoundError):
_ = ds.get(arn)
def _fetch_iam_data(self) -> IAMEntry:
iam_datasource = IAMDatasource()
role_data = iam_datasource.get(self.role_id)
return role_data.get("RolePolicyList", [])