def _shutdown_other_versions(self):
LOGGER.debug('Shutting down running units for other image versions')
units = [utils.parse_unit_name(u.name) for u in self._fleet.units()]
destroy = set()
for deployed_unit in self._deployed_units:
parent, service, group, version = \
utils.parse_unit_name(deployed_unit)
for _parent, _service, _group, _version in units:
if _parent == parent and _service == service and \
_group == group and _version != version:
destroy.add((_parent, _service, _group, _version))
for name, version in destroy:
LOGGER.info('Destroying %s@%s.service', name, version)
unit = self._fleet.unit(name, version)
if not unit.destroy():
LOGGER.error('Error destroying %s@%s.service', name, version)
def remove_other_archive_versions(self):
name, parent, group, version = utils.parse_unit_name(self._unit_name)
if parent:
name = '{0}.{1}'.format(name, parent)
if group:
name = '{0}:{1}'.format(name, group)
keys = self._consul.kv.find('{0}/{1}@'.format(self._consul_prefix,
name))
for key in keys:
if key != self._archive_key:
LOGGER.debug('Removing previous archive version: %s', key)
self._consul.kv.delete(key)
def _apply_variables(self, value):
value = value.replace('{service}', self._name)
if self._group:
value = value.replace('{group}', self._group)
variables = self._config.get('variables', {})
if self._environment in variables:
variables = variables[self._environment]
for name in variables:
key = '{{{0}}}'.format(name)
if key in value:
value = value.replace(key, variables[name])
for unit_name in self._deployed_units:
_parent, service, _group, _ver = utils.parse_unit_name(unit_name)
base_service = '{}.service'.format(service)
if base_service in value:
LOGGER.debug('Replacing %s with %s in value',
base_service, unit_name)
value = value.replace(base_service, unit_name)
return value
