85 lines
3.1 KiB
Python
85 lines
3.1 KiB
Python
# Copyright 2018 Canonical Limited.
|
|
#
|
|
# 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.
|
|
|
|
import json
|
|
import os
|
|
|
|
import charmhelpers.contrib.openstack.alternatives as alternatives
|
|
import charmhelpers.contrib.openstack.context as context
|
|
|
|
import charmhelpers.core.hookenv as hookenv
|
|
import charmhelpers.core.host as host
|
|
import charmhelpers.core.templating as templating
|
|
|
|
|
|
class VaultKVContext(context.OSContextGenerator):
|
|
"""Vault KV context for interaction with vault-kv interfaces"""
|
|
interfaces = ['secrets-storage']
|
|
|
|
def __init__(self, secret_backend=None):
|
|
super(context.OSContextGenerator, self).__init__()
|
|
self.secret_backend = (
|
|
secret_backend or 'charm-{}'.format(hookenv.service_name())
|
|
)
|
|
|
|
def __call__(self):
|
|
for relation_id in hookenv.relation_ids(self.interfaces[0]):
|
|
for unit in hookenv.related_units(relation_id):
|
|
vault_url = hookenv.relation_get(
|
|
'vault_url',
|
|
unit=unit,
|
|
rid=relation_id
|
|
)
|
|
role_id = hookenv.relation_get(
|
|
'{}_role_id'.format(hookenv.local_unit()),
|
|
unit=unit,
|
|
rid=relation_id
|
|
)
|
|
|
|
if vault_url and role_id:
|
|
ctxt = {
|
|
'vault_url': json.loads(vault_url),
|
|
'role_id': json.loads(role_id),
|
|
'secret_backend': self.secret_backend,
|
|
}
|
|
vault_ca = hookenv.relation_get(
|
|
'vault_ca',
|
|
unit=unit,
|
|
rid=relation_id
|
|
)
|
|
if vault_ca:
|
|
ctxt['vault_ca'] = json.loads(vault_ca)
|
|
self.complete = True
|
|
return ctxt
|
|
return {}
|
|
|
|
|
|
def write_vaultlocker_conf(context, priority=100):
|
|
"""Write vaultlocker configuration to disk and install alternative
|
|
|
|
:param context: Dict of data from vault-kv relation
|
|
:ptype: context: dict
|
|
:param priority: Priority of alternative configuration
|
|
:ptype: priority: int"""
|
|
charm_vl_path = "/var/lib/charm/{}/vaultlocker.conf".format(
|
|
hookenv.service_name()
|
|
)
|
|
host.mkdir(os.path.dirname(charm_vl_path), perms=0o700)
|
|
templating.render(source='vaultlocker.conf.j2',
|
|
target=charm_vl_path,
|
|
context=context, perms=0o600),
|
|
alternatives.install_alternative('vaultlocker.conf',
|
|
'/etc/vaultlocker/vaultlocker.conf',
|
|
charm_vl_path, priority)
|