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Merge pull request #249 from nadlerjessie/feature/redshift
Feature/redshift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| """ | ||
| awslimitchecker/services/redshift.py | ||
| The latest version of this package is available at: | ||
| <https://github.com/jantman/awslimitchecker> | ||
| ################################################################################ | ||
| Copyright 2016 Jessie Nadler <nadler.jessie@gmail.com> | ||
| This file is part of awslimitchecker, also known as awslimitchecker. | ||
| awslimitchecker is free software: you can redistribute it and/or modify | ||
| it under the terms of the GNU Affero General Public License as published by | ||
| the Free Software Foundation, either version 3 of the License, or | ||
| (at your option) any later version. | ||
| awslimitchecker is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU Affero General Public License for more details. | ||
| You should have received a copy of the GNU Affero General Public License | ||
| along with awslimitchecker. If not, see <http://www.gnu.org/licenses/>. | ||
| The Copyright and Authors attributions contained herein may not be removed or | ||
| otherwise altered, except to add the Author attribution of a contributor to | ||
| this work. (Additional Terms pursuant to Section 7b of the AGPL v3) | ||
| ################################################################################ | ||
| While not legally required, I sincerely request that anyone who finds | ||
| bugs please submit them at <https://github.com/jantman/awslimitchecker> or | ||
| to me via email, and that you send any contributions or improvements | ||
| either as a pull request on GitHub, or to me via email. | ||
| ################################################################################ | ||
| AUTHORS: | ||
| Jessie Nadler <nadler.jessie@gmail.com> | ||
| ################################################################################ | ||
| """ | ||
|
|
||
| import abc # noqa | ||
| import logging | ||
|
|
||
| from .base import _AwsService | ||
| from ..limit import AwsLimit | ||
| from ..utils import paginate_dict | ||
|
|
||
| logger = logging.getLogger(__name__) | ||
|
|
||
|
|
||
| class _RedshiftService(_AwsService): | ||
|
|
||
| service_name = 'Redshift' | ||
| api_name = 'redshift' | ||
|
|
||
| def find_usage(self): | ||
| """ | ||
| Determine the current usage for each limit of this service, | ||
| and update corresponding Limit via | ||
| :py:meth:`~.AwsLimit._add_current_usage`. | ||
| """ | ||
| logger.debug("Checking usage for service %s", self.service_name) | ||
| self.connect() | ||
| for lim in self.limits.values(): | ||
| lim._reset_usage() | ||
| self._find_cluster_manual_snapshots() | ||
| self._find_cluster_subnet_groups() | ||
| self._have_usage = True | ||
| logger.debug("Done checking usage.") | ||
|
|
||
| def _find_cluster_manual_snapshots(self): | ||
| results = paginate_dict( | ||
| self.conn.describe_cluster_snapshots, | ||
| alc_marker_path=['Marker'], | ||
| alc_data_path=['Snapshots'], | ||
| alc_marker_param='Marker', | ||
| SnapshotType='manual' | ||
| ) | ||
| self.limits['Redshift manual snapshots']._add_current_usage( | ||
| len(results['Snapshots']), | ||
| resource_id=self._boto3_connection_kwargs['region_name'], | ||
| aws_type='AWS::Redshift::Snapshot', | ||
| ) | ||
|
|
||
| def _find_cluster_subnet_groups(self): | ||
| results = paginate_dict( | ||
| self.conn.describe_cluster_subnet_groups, | ||
| alc_marker_path=['Marker'], | ||
| alc_data_path=['ClusterSubnetGroups'], | ||
| alc_marker_param='Marker' | ||
| ) | ||
| self.limits['Redshift subnet groups']._add_current_usage( | ||
| len(results['ClusterSubnetGroups']), | ||
| resource_id=self._boto3_connection_kwargs['region_name'], | ||
| aws_type='AWS::Redshift::SubnetGroup', | ||
| ) | ||
|
|
||
| def get_limits(self): | ||
| """ | ||
| Return all known limits for this service, as a dict of their names | ||
| to :py:class:`~.AwsLimit` objects. | ||
| :returns: dict of limit names to :py:class:`~.AwsLimit` objects | ||
| :rtype: dict | ||
| """ | ||
| if self.limits != {}: | ||
| return self.limits | ||
| limits = {} | ||
| limits['Redshift manual snapshots'] = AwsLimit( | ||
| 'Redshift manual snapshots', | ||
| self, | ||
| 20, | ||
| self.warning_threshold, | ||
| self.critical_threshold, | ||
| limit_type='AWS::Redshift::Snapshot', | ||
| ) | ||
| limits['Redshift subnet groups'] = AwsLimit( | ||
| 'Redshift subnet groups', | ||
| self, | ||
| 20, | ||
| self.warning_threshold, | ||
| self.critical_threshold, | ||
| limit_type='AWS::Redshift::SubnetGroup', | ||
| ) | ||
| self.limits = limits | ||
| return limits | ||
|
|
||
| def required_iam_permissions(self): | ||
| """ | ||
| Return a list of IAM Actions required for this Service to function | ||
| properly. All Actions will be shown with an Effect of "Allow" | ||
| and a Resource of "*". | ||
| :returns: list of IAM Action strings | ||
| :rtype: list | ||
| """ | ||
| return [ | ||
| "redshift:DescribeClusterSnapshots", | ||
| "redshift:DescribeClusterSubnetGroups", | ||
| ] |
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