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#!/usr/bin/python
# -*- coding: utf-8 -*-
# vim: expandtab:tabstop=4:shiftwidth=4
'''
Custom filters for use in openshift-node
'''
from ansible import errors
class FilterModule(object):
''' Custom ansible filters for use by openshift_node role'''
@staticmethod
def get_dns_ip(openshift_dns_ip, hostvars):
''' Navigates the complicated logic of when to set dnsIP
In all situations if they've set openshift_dns_ip use that
For 1.0/3.0 installs we use the openshift_master_cluster_vip, openshift_node_first_master_ip, else None
For 1.1/3.1 installs we use openshift_master_cluster_vip, else None (product will use kube svc ip)
For 1.2/3.2+ installs we set to the node's default interface ip
'''
if not issubclass(type(hostvars), dict):
raise errors.AnsibleFilterError("|failed expects hostvars is a dict")
# We always use what they've specified if they've specified a value
if openshift_dns_ip is not None:
return openshift_dns_ip
if bool(hostvars['openshift']['common']['use_dnsmasq']):
return hostvars['ansible_default_ipv4']['address']
elif bool(hostvars['openshift']['common']['version_gte_3_1_or_1_1']):
if 'openshift_master_cluster_vip' in hostvars:
return hostvars['openshift_master_cluster_vip']
else:
if 'openshift_master_cluster_vip' in hostvars:
return hostvars['openshift_master_cluster_vip']
elif 'openshift_node_first_master_ip' in hostvars:
return hostvars['openshift_node_first_master_ip']
return None
def filters(self):
''' returns a mapping of filters to methods '''
return {'get_dns_ip': self.get_dns_ip}
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