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path: root/roles/openshift_aws/filter_plugins/openshift_aws_filters.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
'''
Custom filters for use in openshift_aws
'''


class FilterModule(object):
    ''' Custom ansible filters for use by openshift_aws role'''

    @staticmethod
    def build_instance_tags(clusterid):
        ''' This function will return a dictionary of the instance tags.

            The main desire to have this inside of a filter_plugin is that we
            need to build the following key.

            {"kubernetes.io/cluster/{{ openshift_aws_clusterid }}": "{{ openshift_aws_clusterid}}"}

        '''
        tags = {'clusterid': clusterid,
                'kubernetes.io/cluster/{}'.format(clusterid): clusterid}

        return tags

    def filters(self):
        ''' returns a mapping of filters to methods '''
        return {'build_instance_tags': self.build_instance_tags}