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log.py
207 lines | 8.1 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2016 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# App Enlight Enterprise Edition, including its added features, Support
# services, and proprietary license terms, please see
# https://rhodecode.com/licenses/
import paginate
import logging
import sqlalchemy as sa
from appenlight.models.log import Log
from appenlight.models import get_db_session, Datastores
from appenlight.models.services.base import BaseService
from appenlight.lib.utils import es_index_name_limiter
log = logging.getLogger(__name__)
class LogService(BaseService):
@classmethod
def get_logs(cls, resource_ids=None, filter_settings=None,
db_session=None):
# ensure we always have id's passed
if not resource_ids:
# raise Exception('No App ID passed')
return []
db_session = get_db_session(db_session)
q = db_session.query(Log)
q = q.filter(Log.resource_id.in_(resource_ids))
if filter_settings.get('start_date'):
q = q.filter(Log.timestamp >= filter_settings.get('start_date'))
if filter_settings.get('end_date'):
q = q.filter(Log.timestamp <= filter_settings.get('end_date'))
if filter_settings.get('log_level'):
q = q.filter(
Log.log_level == filter_settings.get('log_level').upper())
if filter_settings.get('request_id'):
request_id = filter_settings.get('request_id', '')
q = q.filter(Log.request_id == request_id.replace('-', ''))
if filter_settings.get('namespace'):
q = q.filter(Log.namespace == filter_settings.get('namespace'))
q = q.order_by(sa.desc(Log.timestamp))
return q
@classmethod
def es_query_builder(cls, app_ids, filter_settings):
if not filter_settings:
filter_settings = {}
query = {
"query": {
"filtered": {
"filter": {
"and": [{"terms": {"resource_id": list(app_ids)}}]
}
}
}
}
start_date = filter_settings.get('start_date')
end_date = filter_settings.get('end_date')
filter_part = query['query']['filtered']['filter']['and']
for tag in filter_settings.get('tags', []):
tag_values = [v.lower() for v in tag['value']]
key = "tags.%s.values" % tag['name'].replace('.', '_')
filter_part.append({"terms": {key: tag_values}})
date_range = {"range": {"timestamp": {}}}
if start_date:
date_range["range"]["timestamp"]["gte"] = start_date
if end_date:
date_range["range"]["timestamp"]["lte"] = end_date
if start_date or end_date:
filter_part.append(date_range)
levels = filter_settings.get('level')
if levels:
filter_part.append({"terms": {'log_level': levels}})
namespaces = filter_settings.get('namespace')
if namespaces:
filter_part.append({"terms": {'namespace': namespaces}})
request_ids = filter_settings.get('request_id')
if request_ids:
filter_part.append({"terms": {'request_id': request_ids}})
messages = filter_settings.get('message')
if messages:
query['query']['filtered']['query'] = {
'match': {"message": ' '.join(messages)}}
return query
@classmethod
def get_time_series_aggregate(cls, app_ids=None, filter_settings=None):
if not app_ids:
return {}
es_query = cls.es_query_builder(app_ids, filter_settings)
es_query["aggs"] = {
"events_over_time": {
"date_histogram": {
"field": "timestamp",
"interval": "1h",
"min_doc_count": 0
}
}
}
log.debug(es_query)
index_names = es_index_name_limiter(filter_settings.get('start_date'),
filter_settings.get('end_date'),
ixtypes=['logs'])
if index_names:
results = Datastores.es.search(
es_query, index=index_names, doc_type='log', size=0)
else:
results = []
return results
@classmethod
def get_search_iterator(cls, app_ids=None, page=1, items_per_page=50,
order_by=None, filter_settings=None, limit=None):
if not app_ids:
return {}, 0
es_query = cls.es_query_builder(app_ids, filter_settings)
sort_query = {
"sort": [
{"timestamp": {"order": "desc"}}
]
}
es_query.update(sort_query)
log.debug(es_query)
es_from = (page - 1) * items_per_page
index_names = es_index_name_limiter(filter_settings.get('start_date'),
filter_settings.get('end_date'),
ixtypes=['logs'])
if not index_names:
return {}, 0
results = Datastores.es.search(es_query, index=index_names,
doc_type='log', size=items_per_page,
es_from=es_from)
if results['hits']['total'] > 5000:
count = 5000
else:
count = results['hits']['total']
return results['hits'], count
@classmethod
def get_paginator_by_app_ids(cls, app_ids=None, page=1, item_count=None,
items_per_page=50, order_by=None,
filter_settings=None,
exclude_columns=None, db_session=None):
if not filter_settings:
filter_settings = {}
results, item_count = cls.get_search_iterator(app_ids, page,
items_per_page, order_by,
filter_settings)
paginator = paginate.Page([],
item_count=item_count,
items_per_page=items_per_page,
**filter_settings)
ordered_ids = tuple(item['_source']['pg_id']
for item in results.get('hits', []))
sorted_instance_list = []
if ordered_ids:
db_session = get_db_session(db_session)
query = db_session.query(Log)
query = query.filter(Log.log_id.in_(ordered_ids))
query = query.order_by(sa.desc('timestamp'))
sa_items = query.all()
# resort by score
for i_id in ordered_ids:
for item in sa_items:
if str(item.log_id) == str(i_id):
sorted_instance_list.append(item)
paginator.sa_items = sorted_instance_list
return paginator
@classmethod
def query_by_primary_key_and_namespace(cls, list_of_pairs,
db_session=None):
db_session = get_db_session(db_session)
list_of_conditions = []
query = db_session.query(Log)
for pair in list_of_pairs:
list_of_conditions.append(sa.and_(
Log.primary_key == pair['pk'], Log.namespace == pair['ns']))
query = query.filter(sa.or_(*list_of_conditions))
query = query.order_by(sa.asc(Log.timestamp), sa.asc(Log.log_id))
return query