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110 lines
3.7 KiB
110 lines
3.7 KiB
# Copyright 2018, The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Asuite simple Metrics Functions"""
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import json
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import logging
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import os
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import uuid
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try:
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from urllib.request import Request
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from urllib.request import urlopen
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except ImportError:
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# for compatibility of asuite_metrics_lib_tests and asuite_cc_lib_tests.
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from urllib2 import Request
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from urllib2 import urlopen
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_JSON_HEADERS = {'Content-Type': 'application/json'}
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_METRICS_RESPONSE = 'done'
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_METRICS_TIMEOUT = 2 #seconds
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_META_FILE = os.path.join(os.path.expanduser('~'),
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'.config', 'asuite', '.metadata')
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_ANDROID_BUILD_TOP = 'ANDROID_BUILD_TOP'
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UNUSED_UUID = '00000000-0000-4000-8000-000000000000'
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#pylint: disable=broad-except
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def log_event(metrics_url, unused_key_fallback=True, **kwargs):
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"""Base log event function for asuite backend.
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Args:
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metrics_url: String, URL to report metrics to.
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unused_key_fallback: Boolean, If True and unable to get grouping key,
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use a unused key otherwise return out. Sometimes we
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don't want to return metrics for users we are
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unable to identify. Default True.
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kwargs: Dict, additional fields we want to return metrics for.
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"""
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try:
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try:
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key = str(_get_grouping_key())
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except Exception:
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if not unused_key_fallback:
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return
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key = UNUSED_UUID
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data = {'grouping_key': key,
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'run_id': str(uuid.uuid4())}
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if kwargs:
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data.update(kwargs)
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data = json.dumps(data)
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request = Request(metrics_url, data=data,
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headers=_JSON_HEADERS)
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response = urlopen(request, timeout=_METRICS_TIMEOUT)
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content = response.read()
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if content != _METRICS_RESPONSE:
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raise Exception('Unexpected metrics response: %s' % content)
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except Exception as e:
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logging.debug('Exception sending metrics: %s', e)
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def _get_grouping_key():
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"""Get grouping key. Returns UUID.uuid4."""
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if os.path.isfile(_META_FILE):
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with open(_META_FILE) as f:
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try:
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return uuid.UUID(f.read(), version=4)
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except ValueError:
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logging.debug('malformed group_key in file, rewriting')
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# TODO: Delete get_old_key() on 11/17/2018
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key = _get_old_key() or uuid.uuid4()
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dir_path = os.path.dirname(_META_FILE)
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if os.path.isfile(dir_path):
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os.remove(dir_path)
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try:
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os.makedirs(dir_path)
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except OSError as e:
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if not os.path.isdir(dir_path):
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raise e
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with open(_META_FILE, 'w+') as f:
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f.write(str(key))
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return key
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def _get_old_key():
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"""Get key from old meta data file if exists, else return None."""
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old_file = os.path.join(os.environ[_ANDROID_BUILD_TOP],
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'tools/asuite/atest', '.metadata')
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key = None
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if os.path.isfile(old_file):
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with open(old_file) as f:
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try:
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key = uuid.UUID(f.read(), version=4)
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except ValueError:
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logging.debug('error reading old key')
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os.remove(old_file)
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return key
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