346 lines
9.1 KiB
Python
346 lines
9.1 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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'''Implementation of SQLAlchemy backend.'''
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from sqlalchemy.orm.session import Session
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from heat.common import crypt
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from heat.common import exception
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from heat.db.sqlalchemy import models
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from heat.db.sqlalchemy.session import get_session
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def model_query(context, *args):
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session = _session(context)
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query = session.query(*args)
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return query
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def _session(context):
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return (context and context.session) or get_session()
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def raw_template_get(context, template_id):
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result = model_query(context, models.RawTemplate).get(template_id)
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if not result:
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raise exception.NotFound('raw template with id %s not found' %
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template_id)
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return result
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def raw_template_get_all(context):
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results = model_query(context, models.RawTemplate).all()
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if not results:
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raise exception.NotFound('no raw templates were found')
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return results
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def raw_template_create(context, values):
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raw_template_ref = models.RawTemplate()
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raw_template_ref.update(values)
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raw_template_ref.save(_session(context))
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return raw_template_ref
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def resource_get(context, resource_id):
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result = model_query(context, models.Resource).get(resource_id)
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if not result:
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raise exception.NotFound("resource with id %s not found" % resource_id)
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return result
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def resource_get_by_name_and_stack(context, resource_name, stack_id):
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result = model_query(context, models.Resource).\
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filter_by(name=resource_name).\
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filter_by(stack_id=stack_id).first()
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return result
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def resource_get_by_physical_resource_id(context, physical_resource_id):
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results = (model_query(context, models.Resource)
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.filter_by(nova_instance=physical_resource_id)
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.all())
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for result in results:
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if context is None or result.stack.tenant == context.tenant_id:
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return result
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return None
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def resource_get_all(context):
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results = model_query(context, models.Resource).all()
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if not results:
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raise exception.NotFound('no resources were found')
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return results
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def resource_create(context, values):
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resource_ref = models.Resource()
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resource_ref.update(values)
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resource_ref.save(_session(context))
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return resource_ref
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def resource_get_all_by_stack(context, stack_id):
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results = model_query(context, models.Resource).\
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filter_by(stack_id=stack_id).all()
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if not results:
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raise exception.NotFound("no resources for stack_id %s were found" %
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stack_id)
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return results
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def stack_get_by_name(context, stack_name, owner_id=None):
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query = model_query(context, models.Stack).\
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filter_by(tenant=context.tenant_id).\
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filter_by(name=stack_name).\
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filter_by(owner_id=owner_id)
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return query.first()
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def stack_get(context, stack_id, admin=False):
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result = model_query(context, models.Stack).get(stack_id)
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# If the admin flag is True, we allow retrieval of a specific
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# stack without the tenant scoping
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if admin:
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return result
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if (result is not None and context is not None and
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result.tenant != context.tenant_id):
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return None
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return result
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def stack_get_all(context):
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results = model_query(context, models.Stack).\
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filter_by(owner_id=None).all()
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return results
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def stack_get_all_by_tenant(context):
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results = model_query(context, models.Stack).\
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filter_by(owner_id=None).\
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filter_by(tenant=context.tenant_id).all()
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return results
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def stack_create(context, values):
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stack_ref = models.Stack()
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stack_ref.update(values)
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stack_ref.save(_session(context))
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return stack_ref
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def stack_update(context, stack_id, values):
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stack = stack_get(context, stack_id)
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if not stack:
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raise exception.NotFound('Attempt to update a stack with id: %s %s' %
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(stack_id, 'that does not exist'))
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old_template_id = stack.raw_template_id
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stack.update(values)
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stack.save(_session(context))
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# When the raw_template ID changes, we delete the old template
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# after storing the new template ID
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if stack.raw_template_id != old_template_id:
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session = Session.object_session(stack)
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rt = raw_template_get(context, old_template_id)
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session.delete(rt)
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session.flush()
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def stack_delete(context, stack_id):
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s = stack_get(context, stack_id)
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if not s:
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raise exception.NotFound('Attempt to delete a stack with id: %s %s' %
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(stack_id, 'that does not exist'))
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session = Session.object_session(s)
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for e in s.events:
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session.delete(e)
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for r in s.resources:
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session.delete(r)
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rt = s.raw_template
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uc = s.user_creds
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session.delete(s)
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session.delete(rt)
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session.delete(uc)
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session.flush()
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def user_creds_create(context):
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values = context.to_dict()
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user_creds_ref = models.UserCreds()
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user_creds_ref.update(values)
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user_creds_ref.password = crypt.encrypt(values['password'])
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user_creds_ref.aws_creds = crypt.encrypt(values['aws_creds'])
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user_creds_ref.save(_session(context))
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return user_creds_ref
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def user_creds_get(user_creds_id):
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db_result = model_query(None, models.UserCreds).get(user_creds_id)
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# Return a dict copy of db results, do not decrypt details into db_result
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# or it can be committed back to the DB in decrypted form
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result = dict(db_result)
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result['password'] = crypt.decrypt(result['password'])
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result['aws_creds'] = crypt.decrypt(result['aws_creds'])
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return result
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def event_get(context, event_id):
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result = model_query(context, models.Event).get(event_id)
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return result
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def event_get_all(context):
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results = model_query(context, models.Event).all()
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return results
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def event_get_all_by_tenant(context):
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stacks = model_query(context, models.Stack).\
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filter_by(tenant=context.tenant_id).all()
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results = []
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for stack in stacks:
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results.extend(model_query(context, models.Event).
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filter_by(stack_id=stack.id).all())
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return results
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def event_get_all_by_stack(context, stack_id):
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results = model_query(context, models.Event).\
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filter_by(stack_id=stack_id).all()
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return results
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def event_create(context, values):
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event_ref = models.Event()
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event_ref.update(values)
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event_ref.save(_session(context))
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return event_ref
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def watch_rule_get(context, watch_rule_id):
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result = model_query(context, models.WatchRule).\
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filter_by(id=watch_rule_id).first()
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return result
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def watch_rule_get_by_name(context, watch_rule_name):
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result = model_query(context, models.WatchRule).\
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filter_by(name=watch_rule_name).first()
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return result
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def watch_rule_get_all(context):
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results = model_query(context, models.WatchRule).all()
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return results
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def watch_rule_get_all_by_stack(context, stack_id):
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results = model_query(context, models.WatchRule).\
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filter_by(stack_id=stack_id).all()
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return results
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def watch_rule_create(context, values):
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obj_ref = models.WatchRule()
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obj_ref.update(values)
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obj_ref.save(_session(context))
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return obj_ref
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def watch_rule_update(context, watch_id, values):
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wr = watch_rule_get(context, watch_id)
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if not wr:
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raise exception.NotFound('Attempt to update a watch with id: %s %s' %
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(watch_id, 'that does not exist'))
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wr.update(values)
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wr.save(_session(context))
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def watch_rule_delete(context, watch_name):
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wr = model_query(context, models.WatchRule).\
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filter_by(name=watch_name).first()
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if not wr:
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raise exception.NotFound('Attempt to delete watch_rule: %s %s' %
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(watch_name, 'that does not exist'))
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session = Session.object_session(wr)
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for d in wr.watch_data:
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session.delete(d)
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session.delete(wr)
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session.flush()
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def watch_data_create(context, values):
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obj_ref = models.WatchData()
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obj_ref.update(values)
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obj_ref.save(_session(context))
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return obj_ref
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def watch_data_get_all(context):
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results = model_query(context, models.WatchData).all()
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return results
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def watch_data_delete(context, watch_name):
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ds = model_query(context, models.WatchRule).\
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filter_by(name=watch_name).all()
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if not ds:
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raise exception.NotFound('Attempt to delete watch_data: %s %s' %
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(watch_name, 'that does not exist'))
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session = Session.object_session(ds)
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for d in ds:
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session.delete(d)
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session.flush()
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