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| Dir : //proc/self/root/opt/saltstack/salt/lib/python3.10/site-packages/salt/states/boto_iam_role.py |
"""
Manage IAM roles
================
.. versionadded:: 2014.7.0
This module uses ``boto``, which can be installed via package, or pip.
This module accepts explicit IAM credentials but can also utilize
IAM roles assigned to the instance through Instance Profiles. Dynamic
credentials are then automatically obtained from AWS API and no further
configuration is necessary. More information available `here
<http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/iam-roles-for-amazon-ec2.html>`_.
If IAM roles are not used you need to specify them either in a pillar file or
in the minion's config file:
.. code-block:: yaml
iam.keyid: GKTADJGHEIQSXMKKRBJ08H
iam.key: askdjghsdfjkghWupUjasdflkdfklgjsdfjajkghs
It's also possible to specify ``key``, ``keyid`` and ``region`` via a profile, either
passed in as a dict, or as a string to pull from pillars or minion config:
.. code-block:: yaml
myprofile:
keyid: GKTADJGHEIQSXMKKRBJ08H
key: askjghsdfjkghWupUjasdflkdfklgjsdfjajkghs
region: us-east-1
Creating a role will automatically create an instance profile and associate it
with the role. This is the default behavior of the AWS console.
.. code-block:: yaml
myrole:
boto_iam_role.present:
- region: us-east-1
- key: GKTADJGHEIQSXMKKRBJ08H
- keyid: askdjghsdfjkghWupUjasdflkdfklgjsdfjajkghs
- policies_from_pillars:
- shared_iam_bootstrap_policy
- policies:
MySQSPolicy:
Statement:
- Action:
- sqs:*
Effect: Allow
Resource:
- arn:aws:sqs:*:*:*
Sid: MyPolicySQS1
MyS3Policy:
Statement:
- Action:
- s3:GetObject
Effect: Allow
Resource:
- arn:aws:s3:*:*:mybucket/*
# Using a credentials profile from pillars
myrole:
boto_iam_role.present:
- profile: myiamprofile
# Passing in a credentials profile
myrole:
boto_iam_role.present:
- profile:
key: GKTADJGHEIQSXMKKRBJ08H
keyid: askdjghsdfjkghWupUjasdflkdfklgjsdfjajkghs
region: us-east-1
If ``delete_policies: False`` is specified, existing policies that are not in
the given list of policies will not be deleted. This allows manual modifications
on the IAM role to be persistent. This functionality was added in 2015.8.0.
.. note::
When using the ``profile`` parameter and ``region`` is set outside of
the profile group, region is ignored and a default region will be used.
If ``region`` is missing from the ``profile`` data set, ``us-east-1``
will be used as the default region.
"""
import logging
import salt.utils.dictdiffer
import salt.utils.dictupdate as dictupdate
from salt.utils.odict import OrderedDict
log = logging.getLogger(__name__)
def __virtual__():
"""
Only load if boto is available.
"""
if "boto_iam.role_exists" in __salt__:
return "boto_iam_role"
return (False, "boto_iam module could not be loaded")
def present(
name,
policy_document=None,
policy_document_from_pillars=None,
path=None,
policies=None,
policies_from_pillars=None,
managed_policies=None,
create_instance_profile=True,
region=None,
key=None,
keyid=None,
profile=None,
delete_policies=True,
):
"""
Ensure the IAM role exists.
name
Name of the IAM role.
policy_document
The policy that grants an entity permission to assume the role.
(See https://boto.readthedocs.io/en/latest/ref/iam.html#boto.iam.connection.IAMConnection.create_role)
policy_document_from_pillars
A pillar key that contains a role policy document. The statements
defined here will be appended with the policy document statements
defined in the policy_document argument.
.. versionadded:: 2017.7.0
path
The path to the role/instance profile.
(See https://boto.readthedocs.io/en/latest/ref/iam.html#boto.iam.connection.IAMConnection.create_role)
policies
A dict of IAM role policies.
policies_from_pillars
A list of pillars that contain role policy dicts. Policies in the
pillars will be merged in the order defined in the list and key
conflicts will be handled by later defined keys overriding earlier
defined keys. The policies defined here will be merged with the
policies defined in the policies argument. If keys conflict, the keys
in the policies argument will override the keys defined in
policies_from_pillars.
managed_policies
A list of (AWS or Customer) managed policies to be attached to the role.
create_instance_profile
A boolean of whether or not to create an instance profile and associate
it with this role.
region
Region to connect to.
key
Secret key to be used.
keyid
Access key to be used.
profile
A dict with region, key and keyid, or a pillar key (string)
that contains a dict with region, key and keyid.
delete_policies
Deletes existing policies that are not in the given list of policies. Default
value is ``True``. If ``False`` is specified, existing policies will not be deleted
allowing manual modifications on the IAM role to be persistent.
.. versionadded:: 2015.8.0
"""
ret = {"name": name, "result": True, "comment": "", "changes": {}}
# Build up _policy_document
_policy_document = {}
if policy_document_from_pillars:
from_pillars = __salt__["pillar.get"](policy_document_from_pillars)
if from_pillars:
_policy_document["Version"] = from_pillars["Version"]
_policy_document.setdefault("Statement", [])
_policy_document["Statement"].extend(from_pillars["Statement"])
if policy_document:
_policy_document["Version"] = policy_document["Version"]
_policy_document.setdefault("Statement", [])
_policy_document["Statement"].extend(policy_document["Statement"])
_ret = _role_present(name, _policy_document, path, region, key, keyid, profile)
# Build up _policies
if not policies:
policies = {}
if not policies_from_pillars:
policies_from_pillars = []
if not managed_policies:
managed_policies = []
_policies = {}
for policy in policies_from_pillars:
_policy = __salt__["pillar.get"](policy)
_policies.update(_policy)
_policies.update(policies)
ret["changes"] = _ret["changes"]
ret["comment"] = " ".join([ret["comment"], _ret["comment"]])
if not _ret["result"]:
ret["result"] = _ret["result"]
if ret["result"] is False:
return ret
if create_instance_profile:
_ret = _instance_profile_present(name, region, key, keyid, profile)
ret["changes"] = dictupdate.update(ret["changes"], _ret["changes"])
ret["comment"] = " ".join([ret["comment"], _ret["comment"]])
if not _ret["result"]:
ret["result"] = _ret["result"]
if ret["result"] is False:
return ret
_ret = _instance_profile_associated(name, region, key, keyid, profile)
ret["changes"] = dictupdate.update(ret["changes"], _ret["changes"])
ret["comment"] = " ".join([ret["comment"], _ret["comment"]])
if not _ret["result"]:
ret["result"] = _ret["result"]
if ret["result"] is False:
return ret
_ret = _policies_present(
name, _policies, region, key, keyid, profile, delete_policies
)
ret["changes"] = dictupdate.update(ret["changes"], _ret["changes"])
ret["comment"] = " ".join([ret["comment"], _ret["comment"]])
if not _ret["result"]:
ret["result"] = _ret["result"]
_ret = _policies_attached(name, managed_policies, region, key, keyid, profile)
ret["changes"] = dictupdate.update(ret["changes"], _ret["changes"])
ret["comment"] = " ".join([ret["comment"], _ret["comment"]])
if not _ret["result"]:
ret["result"] = _ret["result"]
return ret
def _role_present(
name,
policy_document=None,
path=None,
region=None,
key=None,
keyid=None,
profile=None,
):
ret = {"result": True, "comment": "", "changes": {}}
role = __salt__["boto_iam.describe_role"](name, region, key, keyid, profile)
if not role:
if __opts__["test"]:
ret["comment"] = f"IAM role {name} is set to be created."
ret["result"] = None
return ret
created = __salt__["boto_iam.create_role"](
name, policy_document, path, region, key, keyid, profile
)
if created:
ret["changes"]["old"] = {"role": None}
ret["changes"]["new"] = {"role": name}
ret["comment"] = f"IAM role {name} created."
else:
ret["result"] = False
ret["comment"] = f"Failed to create {name} IAM role."
else:
ret["comment"] = f"{name} role present."
if not policy_document:
_policy_document = __salt__["boto_iam.build_policy"](
region, key, keyid, profile
)
else:
_policy_document = policy_document
if salt.utils.dictdiffer.deep_diff(
_sort_policy(role["assume_role_policy_document"]),
_sort_policy(_policy_document),
):
if __opts__["test"]:
msg = "Assume role policy document to be updated."
ret["comment"] = "{} {}".format(ret["comment"], msg)
ret["result"] = None
return ret
updated = __salt__["boto_iam.update_assume_role_policy"](
name, _policy_document, region, key, keyid, profile
)
if updated:
msg = "Assume role policy document updated."
ret["comment"] = "{} {}".format(ret["comment"], msg)
ret["changes"]["old"] = {
"policy_document": role["assume_role_policy_document"]
}
ret["changes"]["new"] = {"policy_document": _policy_document}
else:
ret["result"] = False
msg = "Failed to update assume role policy."
ret["comment"] = "{} {}".format(ret["comment"], msg)
return ret
def _instance_profile_present(name, region=None, key=None, keyid=None, profile=None):
ret = {"result": True, "comment": "", "changes": {}}
exists = __salt__["boto_iam.instance_profile_exists"](
name, region, key, keyid, profile
)
if not exists:
if __opts__["test"]:
ret["comment"] = f"Instance profile {name} is set to be created."
ret["result"] = None
return ret
created = __salt__["boto_iam.create_instance_profile"](
name, region, key, keyid, profile
)
if created:
ret["changes"]["old"] = {"instance_profile": None}
ret["changes"]["new"] = {"instance_profile": name}
ret["comment"] = f"Instance profile {name} created."
else:
ret["result"] = False
ret["comment"] = f"Failed to create {name} instance profile."
return ret
def _instance_profile_associated(name, region=None, key=None, keyid=None, profile=None):
ret = {"result": True, "comment": "", "changes": {}}
is_associated = __salt__["boto_iam.profile_associated"](
name, name, region, key, keyid, profile
)
if not is_associated:
if __opts__["test"]:
ret["comment"] = f"Instance profile {name} is set to be associated."
ret["result"] = None
return ret
associated = __salt__["boto_iam.associate_profile_to_role"](
name, name, region, key, keyid, profile
)
if associated:
ret["changes"]["old"] = {"profile_associated": None}
ret["changes"]["new"] = {"profile_associated": True}
ret["comment"] = f"Instance profile {name} associated."
else:
ret["result"] = False
ret["comment"] = (
"Failed to associate {0} instance profile with {0} role.".format(name)
)
return ret
def _sort_policy(doc):
"""
List-type sub-items in policies don't happen to be order-sensitive, but
compare operations will render them unequal, leading to non-idempotent
state runs. We'll sort any list-type subitems before comparison to reduce
the likelihood of false negatives.
"""
if isinstance(doc, list):
return sorted(_sort_policy(i) for i in doc)
elif isinstance(doc, (dict, OrderedDict)):
return {k: _sort_policy(v) for k, v in doc.items()}
return doc
def _policies_present(
name,
policies=None,
region=None,
key=None,
keyid=None,
profile=None,
delete_policies=True,
):
ret = {"result": True, "comment": "", "changes": {}}
policies_to_create = {}
policies_to_delete = []
for policy_name, policy in policies.items():
_policy = __salt__["boto_iam.get_role_policy"](
name, policy_name, region, key, keyid, profile
)
if _policy != policy:
policies_to_create[policy_name] = policy
_list = __salt__["boto_iam.list_role_policies"](name, region, key, keyid, profile)
for policy_name in _list:
if delete_policies and policy_name not in policies:
policies_to_delete.append(policy_name)
if policies_to_create or policies_to_delete:
_to_modify = list(policies_to_delete)
_to_modify.extend(policies_to_create)
if __opts__["test"]:
ret["comment"] = "{} policies to be modified on role {}.".format(
", ".join(_to_modify), name
)
ret["result"] = None
return ret
ret["changes"]["old"] = {"policies": _list}
for policy_name, policy in policies_to_create.items():
policy_set = __salt__["boto_iam.create_role_policy"](
name, policy_name, policy, region, key, keyid, profile
)
if not policy_set:
_list = __salt__["boto_iam.list_role_policies"](
name, region, key, keyid, profile
)
ret["changes"]["new"] = {"policies": _list}
ret["result"] = False
ret["comment"] = "Failed to add policy {} to role {}".format(
policy_name, name
)
return ret
for policy_name in policies_to_delete:
policy_unset = __salt__["boto_iam.delete_role_policy"](
name, policy_name, region, key, keyid, profile
)
if not policy_unset:
_list = __salt__["boto_iam.list_role_policies"](
name, region, key, keyid, profile
)
ret["changes"]["new"] = {"policies": _list}
ret["result"] = False
ret["comment"] = "Failed to remove policy {} from role {}".format(
policy_name, name
)
return ret
_list = __salt__["boto_iam.list_role_policies"](
name, region, key, keyid, profile
)
ret["changes"]["new"] = {"policies": _list}
ret["comment"] = "{} policies modified on role {}.".format(
", ".join(_list), name
)
return ret
def _policies_attached(
name, managed_policies=None, region=None, key=None, keyid=None, profile=None
):
ret = {"result": True, "comment": "", "changes": {}}
policies_to_attach = []
policies_to_detach = []
for policy in managed_policies or []:
entities = __salt__["boto_iam.list_entities_for_policy"](
policy,
entity_filter="Role",
region=region,
key=key,
keyid=keyid,
profile=profile,
)
found = False
for roledict in entities.get("policy_roles", []):
if name == roledict.get("role_name"):
found = True
break
if not found:
policies_to_attach.append(policy)
_list = __salt__["boto_iam.list_attached_role_policies"](
name, region=region, key=key, keyid=keyid, profile=profile
)
oldpolicies = [x.get("policy_arn") for x in _list]
for policy_data in _list:
if (
policy_data.get("policy_name") not in managed_policies
and policy_data.get("policy_arn") not in managed_policies
):
policies_to_detach.append(policy_data.get("policy_arn"))
if policies_to_attach or policies_to_detach:
_to_modify = list(policies_to_detach)
_to_modify.extend(policies_to_attach)
if __opts__["test"]:
ret["comment"] = "{} policies to be modified on role {}.".format(
", ".join(_to_modify), name
)
ret["result"] = None
return ret
ret["changes"]["old"] = {"managed_policies": oldpolicies}
for policy_name in policies_to_attach:
policy_set = __salt__["boto_iam.attach_role_policy"](
policy_name,
role_name=name,
region=region,
key=key,
keyid=keyid,
profile=profile,
)
if not policy_set:
_list = __salt__["boto_iam.list_attached_role_policies"](
name, region=region, key=key, keyid=keyid, profile=profile
)
newpolicies = [x.get("policy_arn") for x in _list]
ret["changes"]["new"] = {"managed_policies": newpolicies}
ret["result"] = False
ret["comment"] = "Failed to add policy {} to role {}".format(
policy_name, name
)
return ret
for policy_name in policies_to_detach:
policy_unset = __salt__["boto_iam.detach_role_policy"](
policy_name,
role_name=name,
region=region,
key=key,
keyid=keyid,
profile=profile,
)
if not policy_unset:
_list = __salt__["boto_iam.list_attached_role_policies"](
name, region=region, key=key, keyid=keyid, profile=profile
)
newpolicies = [x.get("policy_arn") for x in _list]
ret["changes"]["new"] = {"managed_policies": newpolicies}
ret["result"] = False
ret["comment"] = "Failed to remove policy {} from role {}".format(
policy_name, name
)
return ret
_list = __salt__["boto_iam.list_attached_role_policies"](
name, region=region, key=key, keyid=keyid, profile=profile
)
newpolicies = [x.get("policy_arn") for x in _list]
log.debug(newpolicies)
ret["changes"]["new"] = {"managed_policies": newpolicies}
ret["comment"] = "{} policies modified on role {}.".format(
", ".join(newpolicies), name
)
return ret
def absent(name, region=None, key=None, keyid=None, profile=None):
"""
Ensure the IAM role is deleted.
name
Name of the IAM role.
region
Region to connect to.
key
Secret key to be used.
keyid
Access key to be used.
profile
A dict with region, key and keyid, or a pillar key (string)
that contains a dict with region, key and keyid.
"""
ret = {"name": name, "result": True, "comment": "", "changes": {}}
_ret = _policies_absent(name, region, key, keyid, profile)
ret["changes"] = _ret["changes"]
ret["comment"] = " ".join([ret["comment"], _ret["comment"]])
if not _ret["result"]:
ret["result"] = _ret["result"]
if ret["result"] is False:
return ret
_ret = _policies_detached(name, region, key, keyid, profile)
ret["changes"] = _ret["changes"]
ret["comment"] = " ".join([ret["comment"], _ret["comment"]])
if not _ret["result"]:
ret["result"] = _ret["result"]
if ret["result"] is False:
return ret
_ret = _instance_profile_disassociated(name, region, key, keyid, profile)
ret["changes"] = dictupdate.update(ret["changes"], _ret["changes"])
ret["comment"] = " ".join([ret["comment"], _ret["comment"]])
if not _ret["result"]:
ret["result"] = _ret["result"]
if ret["result"] is False:
return ret
_ret = _instance_profile_absent(name, region, key, keyid, profile)
ret["changes"] = dictupdate.update(ret["changes"], _ret["changes"])
ret["comment"] = " ".join([ret["comment"], _ret["comment"]])
if not _ret["result"]:
ret["result"] = _ret["result"]
if ret["result"] is False:
return ret
_ret = _role_absent(name, region, key, keyid, profile)
ret["changes"] = dictupdate.update(ret["changes"], _ret["changes"])
ret["comment"] = " ".join([ret["comment"], _ret["comment"]])
if not _ret["result"]:
ret["result"] = _ret["result"]
return ret
def _role_absent(name, region=None, key=None, keyid=None, profile=None):
ret = {"result": True, "comment": "", "changes": {}}
exists = __salt__["boto_iam.role_exists"](name, region, key, keyid, profile)
if exists:
if __opts__["test"]:
ret["comment"] = f"IAM role {name} is set to be removed."
ret["result"] = None
return ret
deleted = __salt__["boto_iam.delete_role"](name, region, key, keyid, profile)
if deleted:
ret["changes"]["old"] = {"role": name}
ret["changes"]["new"] = {"role": None}
ret["comment"] = f"IAM role {name} removed."
else:
ret["result"] = False
ret["comment"] = f"Failed to delete {name} iam role."
else:
ret["comment"] = f"{name} role does not exist."
return ret
def _instance_profile_absent(name, region=None, key=None, keyid=None, profile=None):
ret = {"result": True, "comment": "", "changes": {}}
exists = __salt__["boto_iam.instance_profile_exists"](
name, region, key, keyid, profile
)
if exists:
if __opts__["test"]:
ret["comment"] = f"Instance profile {name} is set to be removed."
ret["result"] = None
return ret
deleted = __salt__["boto_iam.delete_instance_profile"](
name, region, key, keyid, profile
)
if deleted:
ret["changes"]["old"] = {"instance_profile": name}
ret["changes"]["new"] = {"instance_profile": None}
ret["comment"] = f"Instance profile {name} removed."
else:
ret["result"] = False
ret["comment"] = f"Failed to delete {name} instance profile."
else:
ret["comment"] = f"{name} instance profile does not exist."
return ret
def _policies_absent(name, region=None, key=None, keyid=None, profile=None):
ret = {"result": True, "comment": "", "changes": {}}
_list = __salt__["boto_iam.list_role_policies"](name, region, key, keyid, profile)
if not _list:
ret["comment"] = f"No policies in role {name}."
return ret
if __opts__["test"]:
ret["comment"] = "{} policies to be removed from role {}.".format(
", ".join(_list), name
)
ret["result"] = None
return ret
ret["changes"]["old"] = {"policies": _list}
for policy_name in _list:
policy_unset = __salt__["boto_iam.delete_role_policy"](
name, policy_name, region, key, keyid, profile
)
if not policy_unset:
_list = __salt__["boto_iam.list_role_policies"](
name, region, key, keyid, profile
)
ret["changes"]["new"] = {"policies": _list}
ret["result"] = False
ret["comment"] = "Failed to add policy {} to role {}".format(
policy_name, name
)
return ret
_list = __salt__["boto_iam.list_role_policies"](name, region, key, keyid, profile)
ret["changes"]["new"] = {"policies": _list}
ret["comment"] = "{} policies removed from role {}.".format(", ".join(_list), name)
return ret
def _policies_detached(name, region=None, key=None, keyid=None, profile=None):
ret = {"result": True, "comment": "", "changes": {}}
_list = __salt__["boto_iam.list_attached_role_policies"](
role_name=name, region=region, key=key, keyid=keyid, profile=profile
)
oldpolicies = [x.get("policy_arn") for x in _list]
if not _list:
ret["comment"] = f"No attached policies in role {name}."
return ret
if __opts__["test"]:
ret["comment"] = "{} policies to be detached from role {}.".format(
", ".join(oldpolicies), name
)
ret["result"] = None
return ret
ret["changes"]["old"] = {"managed_policies": oldpolicies}
for policy_arn in oldpolicies:
policy_unset = __salt__["boto_iam.detach_role_policy"](
policy_arn, name, region=region, key=key, keyid=keyid, profile=profile
)
if not policy_unset:
_list = __salt__["boto_iam.list_attached_role_policies"](
name, region=region, key=key, keyid=keyid, profile=profile
)
newpolicies = [x.get("policy_arn") for x in _list]
ret["changes"]["new"] = {"managed_policies": newpolicies}
ret["result"] = False
ret["comment"] = f"Failed to detach {policy_arn} from role {name}"
return ret
_list = __salt__["boto_iam.list_attached_role_policies"](
name, region=region, key=key, keyid=keyid, profile=profile
)
newpolicies = [x.get("policy_arn") for x in _list]
ret["changes"]["new"] = {"managed_policies": newpolicies}
ret["comment"] = "{} policies detached from role {}.".format(
", ".join(newpolicies), name
)
return ret
def _instance_profile_disassociated(
name, region=None, key=None, keyid=None, profile=None
):
ret = {"result": True, "comment": "", "changes": {}}
is_associated = __salt__["boto_iam.profile_associated"](
name, name, region, key, keyid, profile
)
if is_associated:
if __opts__["test"]:
ret["comment"] = "Instance profile {} is set to be disassociated.".format(
name
)
ret["result"] = None
return ret
associated = __salt__["boto_iam.disassociate_profile_from_role"](
name, name, region, key, keyid, profile
)
if associated:
ret["changes"]["old"] = {"profile_associated": True}
ret["changes"]["new"] = {"profile_associated": False}
ret["comment"] = f"Instance profile {name} disassociated."
else:
ret["result"] = False
ret["comment"] = (
"Failed to disassociate {0} instance profile from {0} role.".format(
name
)
)
return ret