mirror of
https://github.com/apache/impala.git
synced 2026-01-02 12:00:33 -05:00
a0ad16af41
This patch contains changes to the general test and plugin framework that were needed to make the VTune plugin run. These changes create a conext dictionary that is passed to the plugin. Change-Id: I12ee2076fb0d777813c56bbb338e6d20426afaff Reviewed-on: http://gerrit.ent.cloudera.com:8080/111 Reviewed-by: Alex Leblang <alex.leblang@cloudera.com> Tested-by: Alex Leblang <alex.leblang@cloudera.com>
96 lines
3.8 KiB
Python
96 lines
3.8 KiB
Python
#!/usr/bin/env python
|
|
# Copyright (c) 2012 Cloudera, 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 imp
|
|
import logging
|
|
import os
|
|
import pkgutil
|
|
import sys
|
|
|
|
PLUGIN_DIR = os.path.join(os.environ['IMPALA_HOME'], 'tests', 'benchmark', 'plugins')
|
|
|
|
# Setup logging for this module.
|
|
logging.basicConfig(level=logging.INFO, format='%(filename)s: %(message)s')
|
|
LOG = logging.getLogger('plugin_runner')
|
|
LOG.setLevel(level=logging.DEBUG)
|
|
|
|
class PluginRunner(object):
|
|
''' Loads user specified plugins, if found, and initializes them.
|
|
|
|
Looks in /tests/plugins and searches each module for plugin_name. plugin_name
|
|
is the name of the class that the user has used to implement a plugin. If the class
|
|
is found, it is initialized and added to self.__plugins. If it's not found, an error
|
|
message is logged and the plugin in not loaded.
|
|
'''
|
|
|
|
def __init__(self, plugin_infos):
|
|
self.__available_modules = self.__get_plugin_modules()
|
|
self.__get_plugins_from_modules(plugin_infos)
|
|
self.plugins = self.__plugins
|
|
|
|
def __get_plugin_modules(self):
|
|
''' Gets all the modules in the directory and imports them'''
|
|
modules = pkgutil.iter_modules(path=[PLUGIN_DIR])
|
|
for loader, mod_name, ispkg in modules:
|
|
yield __import__("tests.benchmark.plugins.%s" % mod_name, fromlist=[mod_name])
|
|
|
|
def __get_plugins_from_modules(self, plugin_infos):
|
|
'''Look for user speicifed plugins in the availabe modules.'''
|
|
self.__plugins = []
|
|
plugin_names = []
|
|
for module in self.__available_modules:
|
|
for plugin_info in plugin_infos:
|
|
plugin_name, scope = self.__get_plugin_info(plugin_info)
|
|
plugin_names.append(plugin_name)
|
|
if hasattr(module, plugin_name):
|
|
self.__plugins.append(getattr(module, plugin_name)(scope=scope.lower()))
|
|
# The plugin(s) that could not be loaded are captured in the set difference
|
|
# between plugin_names and self.__plugins
|
|
plugins_found = [p.__name__ for p in self.__plugins]
|
|
LOG.debug("Plugins found: %s" % ', '.join(plugins_found))
|
|
plugins_not_found = set(plugin_names).difference(plugins_found)
|
|
# If the user's entered a plugin that does not exist, raise an error.
|
|
if len(plugins_not_found):
|
|
msg = "Plugin(s) not found: %s" % (','.join(list(plugins_not_found)))
|
|
raise RuntimeError, msg
|
|
|
|
def __get_plugin_info(self, plugin_info):
|
|
info = plugin_info.split(':')
|
|
if len(info) == 1:
|
|
return info[0], 'query'
|
|
elif len(info) == 2:
|
|
return info[0], info[1]
|
|
else:
|
|
raise ValueError("Plugin names specified in the form <plugin_name>[:<scope>]")
|
|
|
|
def print_plugin_names(self):
|
|
for p in self.__plugins:
|
|
LOG.info("Plugin: %s, Scope: %s" % (p.__name__, p.scope))
|
|
|
|
def run_plugins_pre(self, context=None, scope=None):
|
|
if len(self.__plugins) == 0: return
|
|
if context: context['scope'] = scope
|
|
for p in self.__plugins:
|
|
if not scope or p.scope == scope.lower():
|
|
LOG.info('Running pre-hook for %s at scope %s' % (p.__name__, scope))
|
|
p.run_pre_hook(context=context)
|
|
|
|
def run_plugins_post(self, context=None, scope=None):
|
|
if len(self.__plugins) == 0: return
|
|
for p in self.__plugins:
|
|
if not scope or p.scope == scope.lower():
|
|
LOG.info('Running post-hook for %s at scope %s' % (p.__name__, scope))
|
|
p.run_post_hook(context=context)
|