102 lines
3.5 KiB
Python
102 lines
3.5 KiB
Python
# Copyright 2016 Hewlett Packard Enterprise Development LP
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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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import collections
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import datetime
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from oslo_config import cfg
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from oslo_db.sqlalchemy import session as db_session
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import six
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import sqlalchemy
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from sqlalchemy.engine.url import make_url
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import logging
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from coverage2sql.db import models
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#from coverage2sql import exceptions
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CONF = cfg.CONF
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CONF.register_cli_opt(cfg.BoolOpt('verbose', short='v', default=False,
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help='Verbose output including logging of '
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'SQL statements'))
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DAY_SECONDS = 60 * 60 * 24
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_facades = {}
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def _create_facade_lazily():
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global _facades
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db_url = make_url(CONF.database.connection)
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db_backend = db_url.get_backend_name()
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facade = _facades.get(db_backend)
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if facade is None:
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facade = db_session.EngineFacade(
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CONF.database.connection,
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**dict(six.iteritems(CONF.database)))
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_facades[db_backend] = facade
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return facade
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def get_session(autocommit=True, expire_on_commit=False):
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"""Get a new sqlalchemy Session instance
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:param bool autocommit: Enable autocommit mode for the session.
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:param bool expire_on_commit: Expire the session on commit defaults False.
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"""
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facade = _create_facade_lazily()
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session = facade.get_session(autocommit=autocommit,
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expire_on_commit=expire_on_commit)
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# if --verbose was specified, turn on SQL logging
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# note that this is done after the session has been initialized so that
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# we can override the default sqlalchemy logging
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if CONF.get('verbose', False):
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logging.basicConfig()
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logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO)
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return session
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def create_coverage(project_name, coverage_rate=0.0, report_time=None,
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session=None):
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"""Create a new coverage record in the database.
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This method is used to add a new coverage in the database.
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It tracks the coverage history.
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:param str project_name: project_name e.g. openstack/tempest
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:param float coverage_rate: coverage_rate defaults to 0
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:param datetime.Datetime report_time: when the coverage was collected
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defaults to None
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:param session: optional session object if one isn't provided a new session
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will be acquired for the duration of this operation
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:return: The coverage object stored in the DB
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:rtype: coverage2sql.models.Coverage
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"""
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coverage = models.Coverage()
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coverage.project_name = project_name
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coverage.coverage_rate = coverage_rate
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if report_time:
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report_time = report_time.replace(tzinfo=None)
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report_time_microsecond = report_time.microsecond
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else:
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report_time_microsecond = None
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coverage.report_time = report_time
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coverage.report_time_microsecond = report_time_microsecond
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session = session or get_session()
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with session.begin():
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session.add(coverage)
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return coverage
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