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from typing import Any, Optional
from moto.core.common_models import CloudFormationModel
from moto.ec2.models.instances import Instance
from moto.iam.models import InstanceProfile
from ..exceptions import (
IncorrectStateIamProfileAssociationError,
InvalidAssociationIDIamProfileAssociationError,
)
from ..utils import (
filter_iam_instance_profile_associations,
filter_iam_instance_profiles,
random_iam_instance_profile_association_id,
)
class IamInstanceProfileAssociation(CloudFormationModel):
def __init__(
self,
ec2_backend: Any,
association_id: str,
instance: Instance,
iam_instance_profile: InstanceProfile,
):
self.ec2_backend = ec2_backend
self.association_id = association_id
self.instance = instance
self.instance_id = instance.id
self.iam_instance_profile = iam_instance_profile
self.state = "associated"
ec2_backend.modify_instance_attribute(
instance.id,
"iam_instance_profile",
{"Arn": self.iam_instance_profile.arn, "Id": association_id},
)
class IamInstanceProfileAssociationBackend:
def __init__(self) -> None:
self.iam_instance_profile_associations: dict[
str, IamInstanceProfileAssociation
] = {}
def associate_iam_instance_profile(
self,
instance_id: str,
iam_instance_profile_name: Optional[str] = None,
iam_instance_profile_arn: Optional[str] = None,
) -> IamInstanceProfileAssociation:
iam_association_id = random_iam_instance_profile_association_id()
instance_profile = filter_iam_instance_profiles(
self.account_id, # type: ignore[attr-defined]
partition=self.partition, # type: ignore[attr-defined]
iam_instance_profile_arn=iam_instance_profile_arn,
iam_instance_profile_name=iam_instance_profile_name,
)
if instance_id in self.iam_instance_profile_associations.keys():
raise IncorrectStateIamProfileAssociationError(instance_id)
iam_instance_profile_association = IamInstanceProfileAssociation(
self,
iam_association_id,
self.get_instance(instance_id) if instance_id else None, # type: ignore[attr-defined, arg-type]
instance_profile,
)
# Regarding to AWS there can be only one association with ec2.
self.iam_instance_profile_associations[instance_id] = (
iam_instance_profile_association
)
return iam_instance_profile_association
def describe_iam_instance_profile_associations(
self,
association_ids: list[str],
filters: Any = None,
max_results: int = 100,
next_token: Optional[str] = None,
) -> tuple[list[IamInstanceProfileAssociation], Optional[str]]:
associations_list: list[IamInstanceProfileAssociation] = []
if association_ids:
for association in self.iam_instance_profile_associations.values():
if association.association_id in association_ids:
associations_list.append(association)
else:
# That's mean that no association id were given. Showing all.
associations_list.extend(self.iam_instance_profile_associations.values())
associations_list = filter_iam_instance_profile_associations(
associations_list, filters
)
starting_point = int(next_token or 0)
ending_point = starting_point + int(max_results or 100)
associations_page = associations_list[starting_point:ending_point]
new_next_token = (
str(ending_point) if ending_point < len(associations_list) else None
)
return associations_page, new_next_token
def disassociate_iam_instance_profile(
self, association_id: str
) -> IamInstanceProfileAssociation:
iam_instance_profile_association = None
for association_key in self.iam_instance_profile_associations.keys():
if (
self.iam_instance_profile_associations[association_key].association_id
== association_id
):
iam_instance_profile_association = (
self.iam_instance_profile_associations[association_key]
)
del self.iam_instance_profile_associations[association_key]
# Deleting once and avoiding `RuntimeError: dictionary changed size during iteration`
iam_instance_profile_association.ec2_backend.modify_instance_attribute(
association_key, "iam_instance_profile", None
)
break
if not iam_instance_profile_association:
raise InvalidAssociationIDIamProfileAssociationError(association_id)
return iam_instance_profile_association
def replace_iam_instance_profile_association(
self,
association_id: str,
iam_instance_profile_name: Optional[str] = None,
iam_instance_profile_arn: Optional[str] = None,
) -> IamInstanceProfileAssociation:
instance_profile = filter_iam_instance_profiles(
self.account_id, # type: ignore[attr-defined]
partition=self.partition, # type: ignore[attr-defined]
iam_instance_profile_arn=iam_instance_profile_arn,
iam_instance_profile_name=iam_instance_profile_name,
)
iam_instance_profile_association = None
for association_key in self.iam_instance_profile_associations.keys():
if (
self.iam_instance_profile_associations[association_key].association_id
== association_id
):
self.iam_instance_profile_associations[
association_key
].iam_instance_profile = instance_profile
iam_instance_profile_association = (
self.iam_instance_profile_associations[association_key]
)
break
if not iam_instance_profile_association:
raise InvalidAssociationIDIamProfileAssociationError(association_id)
return iam_instance_profile_association
|
