moto/moto/ram/models.py
Anton Grübel a507314d45
RAM - implement CRUD endpoints (#3158)
* Add ram.create_resource_share

* Add ram.get_resource_shares

* Add ram.update_resource_share

* Add ram.delete_resource_share

* Add ram.enable_sharing_with_aws_organization

* Fix server tests

* Add CR suggestions
2020-07-21 14:15:13 +01:00

248 lines
8.4 KiB
Python

import re
import string
from datetime import datetime
import random
from uuid import uuid4
from boto3 import Session
from moto.core import BaseBackend, BaseModel, ACCOUNT_ID
from moto.core.utils import unix_time
from moto.organizations import organizations_backends
from moto.ram.exceptions import (
MalformedArnException,
InvalidParameterException,
UnknownResourceException,
OperationNotPermittedException,
)
def random_resource_id(size):
return "".join(random.choice(string.digits + "abcdef") for _ in range(size))
class ResourceShare(BaseModel):
# List of shareable resources can be found here
# https://docs.aws.amazon.com/ram/latest/userguide/shareable.html
SHAREABLE_RESOURCES = [
"cluster", # Amazon Aurora cluster
"component", # Amazon EC2 Image Builder component
"group", # AWS Resource Groups
"image", # Amazon EC2 Image Builder image
"image-recipe", # Amazon EC2 Image Builder image recipe
"license-configuration", # AWS License Manager configuration
"mesh", # AWS App Mesh
"prefix-list", # Amazon EC2 prefix list
"project", # AWS CodeBuild project
"report-group", # AWS CodeBuild report group
"resolver-rule", # Amazon Route 53 forwarding rule
"subnet", # Amazon EC2 subnet
"transit-gateway", # Amazon EC2 transit gateway
]
def __init__(self, region, **kwargs):
self.region = region
self.allow_external_principals = kwargs.get("allowExternalPrincipals", True)
self.arn = "arn:aws:ram:{0}:{1}:resource-share/{2}".format(
self.region, ACCOUNT_ID, uuid4()
)
self.creation_time = datetime.utcnow()
self.feature_set = "STANDARD"
self.last_updated_time = datetime.utcnow()
self.name = kwargs["name"]
self.owning_account_id = ACCOUNT_ID
self.principals = []
self.resource_arns = []
self.status = "ACTIVE"
@property
def organizations_backend(self):
return organizations_backends["global"]
def add_principals(self, principals):
for principal in principals:
match = re.search(
r"^arn:aws:organizations::\d{12}:organization/(o-\w+)$", principal
)
if match:
organization = self.organizations_backend.describe_organization()
if principal == organization["Organization"]["Arn"]:
continue
else:
raise UnknownResourceException(
"Organization {} could not be found.".format(match.group(1))
)
match = re.search(
r"^arn:aws:organizations::\d{12}:ou/(o-\w+)/(ou-[\w-]+)$", principal
)
if match:
roots = self.organizations_backend.list_roots()
root_id = next(
(
root["Id"]
for root in roots["Roots"]
if root["Name"] == "Root" and match.group(1) in root["Arn"]
),
None,
)
if root_id:
ous = self.organizations_backend.list_organizational_units_for_parent(
ParentId=root_id
)
if any(principal == ou["Arn"] for ou in ous["OrganizationalUnits"]):
continue
raise UnknownResourceException(
"OrganizationalUnit {} in unknown organization could not be found.".format(
match.group(2)
)
)
if not re.match(r"^\d{12}$", principal):
raise InvalidParameterException(
"Principal ID {} is malformed. "
"Verify the ID and try again.".format(principal)
)
for principal in principals:
self.principals.append(principal)
def add_resources(self, resource_arns):
for resource in resource_arns:
match = re.search(
r"^arn:aws:[a-z0-9-]+:[a-z0-9-]*:[0-9]{12}:([a-z-]+)[/:].*$", resource
)
if not match:
raise MalformedArnException(
"The specified resource ARN {} is not valid. "
"Verify the ARN and try again.".format(resource)
)
if match.group(1) not in self.SHAREABLE_RESOURCES:
raise MalformedArnException(
"You cannot share the selected resource type."
)
for resource in resource_arns:
self.resource_arns.append(resource)
def delete(self):
self.last_updated_time = datetime.utcnow()
self.status = "DELETED"
def describe(self):
return {
"allowExternalPrincipals": self.allow_external_principals,
"creationTime": unix_time(self.creation_time),
"featureSet": self.feature_set,
"lastUpdatedTime": unix_time(self.last_updated_time),
"name": self.name,
"owningAccountId": self.owning_account_id,
"resourceShareArn": self.arn,
"status": self.status,
}
def update(self, **kwargs):
self.allow_external_principals = kwargs.get(
"allowExternalPrincipals", self.allow_external_principals
)
self.last_updated_time = datetime.utcnow()
self.name = kwargs.get("name", self.name)
class ResourceAccessManagerBackend(BaseBackend):
def __init__(self, region_name=None):
super(ResourceAccessManagerBackend, self).__init__()
self.region_name = region_name
self.resource_shares = []
@property
def organizations_backend(self):
return organizations_backends["global"]
def reset(self):
region_name = self.region_name
self.__dict__ = {}
self.__init__(region_name)
def create_resource_share(self, **kwargs):
resource = ResourceShare(self.region_name, **kwargs)
resource.add_principals(kwargs.get("principals", []))
resource.add_resources(kwargs.get("resourceArns", []))
self.resource_shares.append(resource)
response = resource.describe()
response.pop("featureSet")
return dict(resourceShare=response)
def get_resource_shares(self, **kwargs):
owner = kwargs["resourceOwner"]
if owner not in ["SELF", "OTHER-ACCOUNTS"]:
raise InvalidParameterException(
"{} is not a valid resource owner. "
"Specify either SELF or OTHER-ACCOUNTS and try again.".format(owner)
)
if owner == "OTHER-ACCOUNTS":
raise NotImplementedError(
"Value 'OTHER-ACCOUNTS' for parameter 'resourceOwner' not implemented."
)
resouces = [resource.describe() for resource in self.resource_shares]
return dict(resourceShares=resouces)
def update_resource_share(self, **kwargs):
arn = kwargs["resourceShareArn"]
resource = next(
(resource for resource in self.resource_shares if arn == resource.arn),
None,
)
if not resource:
raise UnknownResourceException(
"ResourceShare {} could not be found.".format(arn)
)
resource.update(**kwargs)
response = resource.describe()
response.pop("featureSet")
return dict(resourceShare=response)
def delete_resource_share(self, arn):
resource = next(
(resource for resource in self.resource_shares if arn == resource.arn),
None,
)
if not resource:
raise UnknownResourceException(
"ResourceShare {} could not be found.".format(arn)
)
resource.delete()
return dict(returnValue=True)
def enable_sharing_with_aws_organization(self):
if not self.organizations_backend.org:
raise OperationNotPermittedException
return dict(returnValue=True)
ram_backends = {}
for region in Session().get_available_regions("ram"):
ram_backends[region] = ResourceAccessManagerBackend(region)
for region in Session().get_available_regions("ram", partition_name="aws-us-gov"):
ram_backends[region] = ResourceAccessManagerBackend(region)
for region in Session().get_available_regions("ram", partition_name="aws-cn"):
ram_backends[region] = ResourceAccessManagerBackend(region)