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# -*- coding: utf-8 -*-
##############################################################################
#
# Author: Alexandre Fayolle
# Copyright 2014 Camptocamp SA
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# 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 Affero 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/>.
#
##############################################################################
"""
Monitor openerp instance.
The measures are stored in database.
cleanup cron (2 different for db and process monitoring)
* database monitoring:
cron for capturing data
add timestamp
* process monitoring
TODO: log process start / end
cron log
RPC request log
"""
import logging
import gc
from operator import itemgetter
import types
import os
import threading
import datetime
import resource
import psutil
from openerp.osv import orm, fields, osv
from openerp import pooler
from openerp import SUPERUSER_ID
from openerp.tools import DEFAULT_SERVER_DATETIME_FORMAT
# ugly hack to avoid a WARNING message when importing stdlib resource module
_logger = logging.getLogger('openerp.modules.module')
_saved_log_level = _logger.getEffectiveLevel()
_logger.setLevel(logging.ERROR)
_logger.setLevel(_saved_log_level)
_logger = logging.getLogger(__name__)
BLACKLIST = (
type, tuple, dict, list, set, frozenset,
property,
classmethod,
staticmethod,
types.FunctionType,
types.ClassType,
types.ModuleType, types.FunctionType, types.MethodType,
types.MemberDescriptorType, types.GetSetDescriptorType,
)
class ClassInstanceCount(orm.Model):
_name = 'server.monitor.class.instance.count'
_columns = {
'name': fields.text('Class name', readonly=True),
'count': fields.bigint('Instance count', readonly=True),
'measure_id': fields.many2one('server.monitor.process',
'Measure',
readonly=True,
ondelete='cascade'),
}
def _monkey_patch_object_proxy_execute():
orig_execute_cr = osv.object_proxy.execute_cr
def execute_cr(self, cr, uid, obj, method, *args, **kw):
result = orig_execute_cr(self, cr, uid, obj, method, *args, **kw)
monitor_obj = pooler.get_pool(cr.dbname)['server.monitor.process']
context = {}
monitor_obj.log_measure(cr, uid, obj, method, 'rpc call',
False, False, context)
return result
osv.object_proxy.execute_cr = execute_cr
class ServerMonitorProcess(orm.Model):
def __init__(self, pool, cr):
super(ServerMonitorProcess, self).__init__(pool, cr)
_monkey_patch_object_proxy_execute()
_name = 'server.monitor.process'
_columns = {
'name': fields.datetime('Timestamp', readonly=True),
'pid': fields.integer('Process ID', readonly=True,
group_operator='count'),
'thread': fields.text('Thread ID', readonly=True),
'cpu_time': fields.float(
'CPU time', readonly=True,
group_operator='max',
help='CPU time consumed by the current server process'),
'memory': fields.float(
'Memory', readonly=True,
group_operator='max',
help='Memory consumed by the current server process'),
'uid': fields.many2one('res.users', 'User',
readonly=True,
select=True),
'model': fields.many2one('ir.model', 'Model',
readonly=True,
select=True),
'method': fields.text('Method', readonly=True),
'status': fields.text('RPC status', readonly=True),
'sessionid': fields.text('Session ID', readonly=True),
'info': fields.text('Information'),
'class_count_ids': fields.one2many(
'server.monitor.class.instance.count',
'measure_id',
'Class counts',
readonly=True),
}
_order = 'name DESC'
def _default_pid(self, cr, uid, context):
return os.getpid()
def _default_cpu_time(self, cr, uid, context):
r = resource.getrusage(resource.RUSAGE_SELF)
cpu_time = r.ru_utime + r.ru_stime
return cpu_time
def _default_memory(self, cr, uid, context):
try:
rss, vms = psutil.Process(os.getpid()).get_memory_info()
except AttributeError:
# happens on travis
vms = 0
return vms
def _default_uid(self, cr, uid, context):
return uid
def _default_thread(self, cr, uid, context):
return threading.current_thread().name
def _class_count(self, cr, uid, context):
counts = {}
if context.get('_x_no_class_count'):
return []
if context.get('_x_no_gc_collect'):
gc.collect()
gc.collect()
for obj in gc.get_objects():
if isinstance(obj, BLACKLIST):
continue
try:
cls = obj.__class__
except:
if isinstance(obj, types.ClassType):
cls = types.ClassType
else:
_logger.warning('unknown object type for %r (%s)',
obj, type(obj))
continue
name = '%s.%s' % (cls.__module__, cls.__name__)
try:
counts[name] += 1
except KeyError:
counts[name] = 1
info = []
for name, count in sorted(counts.items(),
key=itemgetter(1),
reverse=True):
if count < 2:
break
info.append({'name': name, 'count': count})
return [(0, 0, val) for val in info]
_defaults = {
'name': fields.datetime.now,
'class_count_ids': _class_count,
'pid': _default_pid,
'cpu_time': _default_cpu_time,
'memory': _default_memory,
'uid': _default_uid,
'thread': _default_thread,
}
def log_measure(self, cr, uid,
model_name, method_name, info,
with_class_count=True,
gc_collect=True,
context=None):
if context is None:
context = {}
ctx = context.copy()
ctx.update({
'_x_no_class_count': not with_class_count,
'_x_no_gc_collect': not gc_collect,
})
fields = self._defaults.keys()
defaults = self.default_get(cr, uid, fields, context=ctx)
model_obj = self.pool['ir.model']
model_id = model_obj.search(cr, uid,
[('name', '=', model_name)],
context=context)
if model_id:
model_id = model_id[0]
else:
model_id = 0
values = {'model': model_id,
'method': method_name,
'info': info,
}
defaults.update(values)
id = self.create(cr, SUPERUSER_ID, defaults, context=context)
return id
def cleanup(self, cr, uid, age, context=None):
now = datetime.datetime.now()
delta = datetime.timedelta(days=age)
when = (now - delta).strftime(DEFAULT_SERVER_DATETIME_FORMAT)
ids = self.search(cr, uid,
[('name', '<', when)],
context=context)
_logger.debug('Process monitor cleanup: removing %d records', len(ids))
self.unlink(cr, uid, ids, context=context)