98 lines
2.9 KiB
Python
98 lines
2.9 KiB
Python
# Copyright (c) 2015, PLUMgrid Inc, http://plumgrid.com
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# This file contains the class that generates context for
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# PLUMgrid template files.
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from charmhelpers.contrib.openstack import context
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from charmhelpers.contrib.openstack.utils import get_host_ip
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from charmhelpers.core.hookenv import (
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relation_ids,
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related_units,
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relation_get,
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)
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from socket import (
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gethostname,
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getfqdn
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)
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def _pg_dir_context():
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'''
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Inspects relation with PLUMgrid director.
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'''
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ctxt = {
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'opsvm_ip': '127.0.0.1',
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'director_ips': [],
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}
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for rid in relation_ids('plumgrid'):
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for unit in related_units(rid):
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rdata = relation_get(rid=rid, unit=unit)
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ctxt['director_ips'
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].append(str(get_host_ip(rdata['private-address'])))
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if "opsvm_ip" in rdata:
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ctxt['opsvm_ip'] = \
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rdata['opsvm_ip']
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return ctxt
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class PGGwContext(context.NeutronContext):
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@property
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def plugin(self):
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'''
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Over-riding function in NeutronContext Class to return 'plumgrid'
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as the neutron plugin.
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'''
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return 'plumgrid'
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@property
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def network_manager(self):
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'''
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Over-riding function in NeutronContext Class to return 'neutron'
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as the network manager.
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'''
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return 'neutron'
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def _save_flag_file(self):
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'''
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Over-riding function in NeutronContext Class.
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Function only needed for OVS.
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'''
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pass
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def pg_ctxt(self):
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'''
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Generated Config for all PLUMgrid templates inside the
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templates folder.
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'''
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pg_ctxt = super(PGGwContext, self).pg_ctxt()
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if not pg_ctxt:
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return {}
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pg_dir_context = _pg_dir_context()
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pg_dir_ips = sorted(pg_dir_context['director_ips'])
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dir_count = len(pg_dir_ips)
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pg_ctxt['director_ips_string'] = (str(pg_dir_ips[0]) + ',' +
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str(pg_dir_ips[1]) + ',' +
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str(pg_dir_ips[2])
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if dir_count == 3 else
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str(pg_dir_ips[0])
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if dir_count == 1 else
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'')
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unit_hostname = gethostname()
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pg_ctxt['pg_hostname'] = unit_hostname
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pg_ctxt['pg_fqdn'] = getfqdn()
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from pg_gw_utils import (
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get_mgmt_interface,
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get_gw_interfaces,
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get_fabric_interface
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)
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pg_ctxt['interface'] = get_mgmt_interface()
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pg_ctxt['fabric_interface'] = get_fabric_interface()
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pg_ctxt['label'] = unit_hostname
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pg_ctxt['fabric_mode'] = 'host'
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pg_ctxt['ext_interfaces'] = get_gw_interfaces()
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pg_ctxt['opsvm_ip'] = pg_dir_context['opsvm_ip']
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return pg_ctxt
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