moto/moto/athena/models.py
2020-05-16 15:00:06 +01:00

123 lines
3.8 KiB
Python

from __future__ import unicode_literals
import time
from boto3 import Session
from moto.core import BaseBackend, BaseModel, ACCOUNT_ID
from uuid import uuid4
class TaggableResourceMixin(object):
# This mixing was copied from Redshift when initially implementing
# Athena. TBD if it's worth the overhead.
def __init__(self, region_name, resource_name, tags):
self.region = region_name
self.resource_name = resource_name
self.tags = tags or []
@property
def arn(self):
return "arn:aws:athena:{region}:{account_id}:{resource_name}".format(
region=self.region, account_id=ACCOUNT_ID, resource_name=self.resource_name
)
def create_tags(self, tags):
new_keys = [tag_set["Key"] for tag_set in tags]
self.tags = [tag_set for tag_set in self.tags if tag_set["Key"] not in new_keys]
self.tags.extend(tags)
return self.tags
def delete_tags(self, tag_keys):
self.tags = [tag_set for tag_set in self.tags if tag_set["Key"] not in tag_keys]
return self.tags
class WorkGroup(TaggableResourceMixin, BaseModel):
resource_type = "workgroup"
state = "ENABLED"
def __init__(self, athena_backend, name, configuration, description, tags):
self.region_name = athena_backend.region_name
super(WorkGroup, self).__init__(
self.region_name, "workgroup/{}".format(name), tags
)
self.athena_backend = athena_backend
self.name = name
self.description = description
self.configuration = configuration
class Execution(BaseModel):
def __init__(self, query, context, config, workgroup):
self.id = str(uuid4())
self.query = query
self.context = context
self.config = config
self.workgroup = workgroup
self.start_time = time.time()
self.status = "QUEUED"
class AthenaBackend(BaseBackend):
region_name = None
def __init__(self, region_name=None):
if region_name is not None:
self.region_name = region_name
self.work_groups = {}
self.executions = {}
def create_work_group(self, name, configuration, description, tags):
if name in self.work_groups:
return None
work_group = WorkGroup(self, name, configuration, description, tags)
self.work_groups[name] = work_group
return work_group
def list_work_groups(self):
return [
{
"Name": wg.name,
"State": wg.state,
"Description": wg.description,
"CreationTime": time.time(),
}
for wg in self.work_groups.values()
]
def get_work_group(self, name):
if name not in self.work_groups:
return None
wg = self.work_groups[name]
return {
"Name": wg.name,
"State": wg.state,
"Configuration": wg.configuration,
"Description": wg.description,
"CreationTime": time.time()
}
def start_query_execution(self, query, context, config, workgroup):
execution = Execution(query=query, context=context, config=config, workgroup=workgroup)
self.executions[execution.id] = execution
return execution.id
def get_execution(self, exec_id):
return self.executions[exec_id]
def stop_query_execution(self, exec_id):
execution = self.executions[exec_id]
execution.status = "CANCELLED"
athena_backends = {}
for region in Session().get_available_regions("athena"):
athena_backends[region] = AthenaBackend(region)
for region in Session().get_available_regions("athena", partition_name="aws-us-gov"):
athena_backends[region] = AthenaBackend(region)
for region in Session().get_available_regions("athena", partition_name="aws-cn"):
athena_backends[region] = AthenaBackend(region)