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provides.py
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provides.py
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from charms.reactive import RelationBase
from charms.reactive import hook
from charms.reactive import scopes
class ZookeeperProvides(RelationBase):
# Every unit connecting will get the same information
scope = scopes.GLOBAL
# Use some template magic to declare our relation(s)
@hook('{provides:zookeeper}-relation-joined')
def joined(self):
self.set_state('{relation_name}.joined')
@hook('{provides:zookeeper}-relation-changed')
def changed(self):
self.set_state('{relation_name}.ready')
@hook('{provides:zookeeper}-relation-departed')
def departed(self):
self.remove_state('{relation_name}.ready')
self.remove_state('{relation_name}.joined')
def send_connection(self, port, rest_port, host=None):
conv = self.conversation()
conv.set_remote(data={
'port': port,
'rest_port': rest_port,
'host': host,
})
# Synonym for send_connection (for now)
send_port = send_connection