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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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