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# Copyright 2016 Tesora, Inc.
# All Rights Reserved.
#
# 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 copy
from oslo_log import log as logging
import trove.common.apischema as apischema
from trove.common import cfg
from trove.common import exception
from trove.common.i18n import _
from trove.common import pagination
from trove.common import policy
from trove.common import wsgi
from trove.datastore import models as datastore_models
from trove.instance import models as instance_models
from trove.instance import views as instance_views
from trove.module import models
from trove.module import views
CONF = cfg.CONF
LOG = logging.getLogger(__name__)
class ModuleController(wsgi.Controller):
schemas = apischema.module
@classmethod
def authorize_module_action(cls, context, module_rule_name, module):
"""If a module is not owned by any particular tenant just check
that the current tenant is allowed to perform the action.
"""
if module.tenant_id is not None:
policy.authorize_on_target(context, 'module:%s' % module_rule_name,
{'tenant': module.tenant_id})
else:
policy.authorize_on_tenant(context, 'module:%s' % module_rule_name)
def index(self, req, tenant_id):
context = req.environ[wsgi.CONTEXT_KEY]
policy.authorize_on_tenant(context, 'module:index')
datastore = req.GET.get('datastore', '')
if datastore and datastore.lower() != models.Modules.MATCH_ALL_NAME:
ds, ds_ver = datastore_models.get_datastore_version(
type=datastore)
datastore = ds.id
modules = models.Modules.load(context, datastore=datastore)
view = views.ModulesView(modules)
return wsgi.Result(view.data(), 200)
def show(self, req, tenant_id, id):
LOG.info("Showing module %s.", id)
context = req.environ[wsgi.CONTEXT_KEY]
module = models.Module.load(context, id)
self.authorize_module_action(context, 'show', module)
module.instance_count = len(models.InstanceModules.load(
context, module_id=module.id, md5=module.md5))
return wsgi.Result(
views.DetailedModuleView(module).data(), 200)
def create(self, req, body, tenant_id):
name = body['module']['name']
LOG.info("Creating module '%s'", name)
context = req.environ[wsgi.CONTEXT_KEY]
policy.authorize_on_tenant(context, 'module:create')
module_type = body['module']['module_type']
contents = body['module']['contents']
description = body['module'].get('description')
all_tenants = body['module'].get('all_tenants', 0)
module_tenant_id = None if all_tenants else tenant_id
datastore = body['module'].get('datastore', {}).get('type', None)
ds_version = body['module'].get('datastore', {}).get('version', None)
auto_apply = body['module'].get('auto_apply', 0)
visible = body['module'].get('visible', 1)
live_update = body['module'].get('live_update', 0)
priority_apply = body['module'].get('priority_apply', 0)
apply_order = body['module'].get('apply_order', 5)
full_access = body['module'].get('full_access', None)
module = models.Module.create(
context, name, module_type, contents,
description, module_tenant_id, datastore, ds_version,
auto_apply, visible, live_update, priority_apply,
apply_order, full_access)
view_data = views.DetailedModuleView(module)
return wsgi.Result(view_data.data(), 200)
def delete(self, req, tenant_id, id):
LOG.info("Deleting module %s.", id)
context = req.environ[wsgi.CONTEXT_KEY]
module = models.Module.load(context, id)
self.authorize_module_action(context, 'delete', module)
models.Module.delete(context, module)
return wsgi.Result(None, 200)
def update(self, req, body, tenant_id, id):
LOG.info("Updating module %s.", id)
context = req.environ[wsgi.CONTEXT_KEY]
module = models.Module.load(context, id)
self.authorize_module_action(context, 'update', module)
original_module = copy.deepcopy(module)
if 'name' in body['module']:
module.name = body['module']['name']
if 'module_type' in body['module']:
module.type = body['module']['module_type']
if 'contents' in body['module']:
module.contents = body['module']['contents']
if 'description' in body['module']:
module.description = body['module']['description']
if 'all_tenants' in body['module']:
module.tenant_id = (None if body['module']['all_tenants']
else tenant_id)
ds_changed = False
ds_ver_changed = False
if 'datastore' in body['module']:
if 'type' in body['module']['datastore']:
module.datastore_id = body['module']['datastore']['type']
ds_changed = True
if 'version' in body['module']['datastore']:
module.datastore_version_id = (
body['module']['datastore']['version'])
ds_ver_changed = True
if 'all_datastores' in body['module']:
if ds_changed:
raise exception.ModuleInvalid(
reason=_('You cannot set a datastore and specify '
'--all_datastores'))
module.datastore_id = None
if 'all_datastore_versions' in body['module']:
if ds_ver_changed:
raise exception.ModuleInvalid(
reason=_('You cannot set a datastore version and specify '
'--all_datastore_versions'))
module.datastore_version_id = None
if 'auto_apply' in body['module']:
module.auto_apply = body['module']['auto_apply']
if 'visible' in body['module']:
module.visible = body['module']['visible']
if 'live_update' in body['module']:
module.live_update = body['module']['live_update']
if 'priority_apply' in body['module']:
module.priority_apply = body['module']['priority_apply']
if 'apply_order' in body['module']:
module.apply_order = body['module']['apply_order']
full_access = None
if 'full_access' in body['module']:
full_access = body['module']['full_access']
models.Module.update(context, module, original_module, full_access)
view_data = views.DetailedModuleView(module)
return wsgi.Result(view_data.data(), 200)
def instances(self, req, tenant_id, id):
LOG.info("Getting instances for module %s.", id)
context = req.environ[wsgi.CONTEXT_KEY]
module = models.Module.load(context, id)
self.authorize_module_action(context, 'instances', module)
count_only = req.GET.get('count_only', '').lower() == 'true'
include_clustered = (
req.GET.get('include_clustered', '').lower() == 'true')
if count_only:
instance_count = instance_models.module_instance_count(
context, id, include_clustered=include_clustered)
result_list = {
'instances':
instance_views.convert_instance_count_to_list(instance_count)}
else:
instance_modules, marker = models.InstanceModules.load(
context, module_id=id)
if instance_modules:
instance_ids = [inst_mod.instance_id
for inst_mod in instance_modules]
instances, marker = instance_models.Instances.load(
context, include_clustered, instance_ids=instance_ids)
else:
instances = []
marker = None
view = instance_views.InstancesView(instances, req=req)
result_list = pagination.SimplePaginatedDataView(
req.url, 'instances', view, marker).data()
return wsgi.Result(result_list, 200)
def reapply(self, req, body, tenant_id, id):
LOG.info("Reapplying module %s to all instances.", id)
context = req.environ[wsgi.CONTEXT_KEY]
md5 = None
if 'md5' in body['reapply']:
md5 = body['reapply']['md5']
include_clustered = None
if 'include_clustered' in body['reapply']:
include_clustered = body['reapply']['include_clustered']
if 'batch_size' in body['reapply']:
batch_size = body['reapply']['batch_size']
else:
batch_size = CONF.module_reapply_max_batch_size
if 'batch_delay' in body['reapply']:
batch_delay = body['reapply']['batch_delay']
else:
batch_delay = CONF.module_reapply_min_batch_delay
force = None
if 'force' in body['reapply']:
force = body['reapply']['force']
module = models.Module.load(context, id)
self.authorize_module_action(context, 'reapply', module)
models.Module.reapply(context, id, md5, include_clustered,
batch_size, batch_delay, force)
return wsgi.Result(None, 202)
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