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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,254 @@ | ||
| """ | ||
| awslimitchecker/services/eks.py | ||
| The latest version of this package is available at: | ||
| <https://github.com/jantman/awslimitchecker> | ||
| ################################################################################ | ||
| Copyright 2015-2018 Jason Antman <jason@jasonantman.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: | ||
| Jason Antman <jason@jasonantman.com> <http://www.jasonantman.com> | ||
| ################################################################################ | ||
| """ | ||
|
|
||
| import abc # noqa | ||
| import logging | ||
|
|
||
| from .base import _AwsService | ||
| from ..limit import AwsLimit | ||
| from ..utils import paginate_dict | ||
|
|
||
| logger = logging.getLogger(__name__) | ||
|
|
||
|
|
||
| class _EksService(_AwsService): | ||
|
|
||
| service_name = 'EKS' | ||
| api_name = 'eks' # AWS API name to connect to (boto3.client) | ||
| quotas_service_code = 'eks' | ||
|
|
||
| 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_clusters_usage() | ||
| self._have_usage = True | ||
| logger.debug("Done checking usage.") | ||
|
|
||
| def _find_clusters_usage(self): | ||
| clusters_info = paginate_dict( | ||
| self.conn.list_clusters, | ||
| alc_marker_path=['nextToken'], | ||
| alc_data_path=['clusters'], | ||
| alc_marker_param='nextToken' | ||
| ) | ||
|
|
||
| cluster_list = clusters_info['clusters'] | ||
|
|
||
| for cluster in cluster_list: | ||
| describe_cluster_response = self.conn.describe_cluster( | ||
| name=cluster | ||
| ) | ||
| security_group_id_list = describe_cluster_response['cluster'][ | ||
| 'resourcesVpcConfig']['securityGroupIds'] | ||
| self.limits[ | ||
| 'Control plane security groups per cluster']._add_current_usage( | ||
| len(security_group_id_list), | ||
| resource_id=cluster, | ||
| aws_type='AWS::EKS::Cluster' | ||
| ) | ||
| public_access_cidrs_list = describe_cluster_response['cluster'][ | ||
| 'resourcesVpcConfig']['publicAccessCidrs'] | ||
| self.limits[ | ||
| 'Public endpoint access CIDR ranges per cluster' | ||
| ]._add_current_usage( | ||
| len(public_access_cidrs_list), | ||
| resource_id=cluster, | ||
| aws_type='AWS::EKS::Cluster' | ||
| ) | ||
|
|
||
| list_nodegroup_response = paginate_dict( | ||
| self.conn.list_nodegroups, | ||
| clusterName=cluster, | ||
| alc_marker_path=['nextToken'], | ||
| alc_data_path=['nodegroups'], | ||
| alc_marker_param='nextToken' | ||
| ) | ||
| nodegroup_list = list_nodegroup_response['nodegroups'] | ||
| self.limits['Managed node groups per cluster']._add_current_usage( | ||
| len(nodegroup_list), | ||
| resource_id=cluster, | ||
| aws_type='AWS::EKS::Cluster') | ||
|
|
||
| list_fargate_profiles_response = paginate_dict( | ||
| self.conn.list_fargate_profiles, | ||
| clusterName=cluster, | ||
| alc_marker_path=['nextToken'], | ||
| alc_data_path=['fargateProfileNames'], | ||
| alc_marker_param='nextToken' | ||
| ) | ||
| fargate_profiles_list = list_fargate_profiles_response[ | ||
| 'fargateProfileNames' | ||
| ] | ||
| self.limits['Fargate profiles per cluster']._add_current_usage( | ||
| len(fargate_profiles_list), | ||
| resource_id=cluster, | ||
| aws_type='AWS::EKS::FargateProfile') | ||
|
|
||
| for fargate_profile_name in fargate_profiles_list: | ||
| fargate_info = self.conn.describe_fargate_profile( | ||
| clusterName=cluster, | ||
| fargateProfileName=fargate_profile_name | ||
| ) | ||
| profile_selectors = fargate_info['fargateProfile']['selectors'] | ||
| self.limits['Selectors per Fargate profile']._add_current_usage( | ||
| len(profile_selectors), | ||
| resource_id="{}.{}".format(cluster, fargate_profile_name), | ||
| aws_type='AWS::EKS::FargateProfile') | ||
|
|
||
| for selector in profile_selectors: | ||
| label_pairs = selector['labels'] | ||
| self.limits[ | ||
| 'Label pairs per Fargate profile selector' | ||
| ]._add_current_usage( | ||
| len(label_pairs), | ||
| resource_id=( | ||
| "{}.{}.{}".format( | ||
| cluster, | ||
| fargate_profile_name, | ||
| selector | ||
| ) | ||
| ), | ||
| aws_type='AWS::EKS::FargateProfile') | ||
|
|
||
| self.limits['Clusters']._add_current_usage( | ||
| len(cluster_list), | ||
| resource_id=self._boto3_connection_kwargs['region_name'], | ||
| aws_type='AWS::EKS::Cluster') | ||
|
|
||
| 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['Clusters'] = AwsLimit( | ||
| 'Clusters', | ||
| self, | ||
| 100, | ||
| self.warning_threshold, | ||
| self.critical_threshold, | ||
| limit_type='AWS::EKS::Cluster', | ||
| ) | ||
| limits['Control plane security groups per cluster'] = AwsLimit( | ||
| 'Control plane security groups per cluster', | ||
| self, | ||
| 4, | ||
| self.warning_threshold, | ||
| self.critical_threshold, | ||
| limit_type='AWS::EKS::Cluster', | ||
| ) | ||
| limits['Managed node groups per cluster'] = AwsLimit( | ||
| 'Managed node groups per cluster', | ||
| self, | ||
| 30, | ||
| self.warning_threshold, | ||
| self.critical_threshold, | ||
| limit_type='AWS::EKS::Nodegroup', | ||
| ) | ||
| limits['Nodes per managed node group'] = AwsLimit( | ||
| 'Nodes per managed node group', | ||
| self, | ||
| 100, | ||
| self.warning_threshold, | ||
| self.critical_threshold, | ||
| limit_type='AWS::EKS::Cluster', | ||
| ) | ||
| limits['Public endpoint access CIDR ranges per cluster'] = AwsLimit( | ||
| 'Public endpoint access CIDR ranges per cluster', | ||
| self, | ||
| 40, | ||
| self.warning_threshold, | ||
| self.critical_threshold, | ||
| limit_type='AWS::EKS::Cluster', | ||
| ) | ||
| limits['Fargate profiles per cluster'] = AwsLimit( | ||
| 'Fargate profiles per cluster', | ||
| self, | ||
| 10, | ||
| self.warning_threshold, | ||
| self.critical_threshold, | ||
| limit_type='AWS::EKS::FargateProfile', | ||
| ) | ||
| limits['Selectors per Fargate profile'] = AwsLimit( | ||
| 'Selectors per Fargate profile', | ||
| self, | ||
| 5, | ||
| self.warning_threshold, | ||
| self.critical_threshold, | ||
| limit_type='AWS::EKS::FargateProfile', | ||
| ) | ||
| limits['Label pairs per Fargate profile selector'] = AwsLimit( | ||
| 'Label pairs per Fargate profile selector', | ||
| self, | ||
| 5, | ||
| self.warning_threshold, | ||
| self.critical_threshold, | ||
| limit_type='AWS::EKS::FargateProfile', | ||
| ) | ||
| 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 [ | ||
| "eks:ListClusters", | ||
| "eks:DescribeCluster", | ||
| "eks:ListNodegroups", | ||
| "eks:ListFargateProfiles", | ||
| "eks:DescribeFargateProfile", | ||
| ] |
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