starlingx/integ
Code Issues Proposed changes

Merge "Restart the ceph-mgr daemon every 7 days to control RSS memory growth"

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Zuul 2023-06-15 21:04:10 +00:00 committed by Gerrit Code Review
commit d1ba1d9e80
1 changed files with 25 additions and 1 deletions
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26
ceph/ceph/files/mgr-restful-plugin.py
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@ -1,6 +1,6 @@
#!/usr/bin/python
#
# Copyright (c) 2019 Wind River Systems, Inc.
# Copyright (c) 2019-2023 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
@ -32,6 +32,7 @@ import subprocess
import sys
import tempfile
import time
from datetime import datetime
import daemon
import psutil
@ -141,6 +142,10 @@ class Config(object):
# restful plugin recovers
self.ping_fail_count_report_error = 5
# Number of days for ceph-mgr to be restarted to avoid possible
# memory overflow due to memory growth (-1 to disable)
self.ceph_mgr_lifecycle_days = 7
@staticmethod
def load():
return Config()
@ -277,6 +282,9 @@ class ServiceMonitor(object):
# ceph-mgr process
self.ceph_mgr = None
# date the ceph-mgr process was started
self.ceph_mgr_start_date = None
# consecutive ceph-mgr/restful-plugin start failures. Service monitor
# reports failure after CONFIG.ceph_mgr_max_failure_count
self.ceph_mgr_failure_count = 0
@ -570,6 +578,12 @@ class ServiceMonitor(object):
# REST API should be available now
# start making periodic requests (ping)
while True:
if self.ceph_mgr_lifecycle_days != -1 \
and self.ceph_mgr_uptime() >= self.ceph_mgr_lifecycle_days:
self.ceph_mgr_start_date = None
LOG.info("Restarting ceph-mgr to control RSS memory growth")
self.ceph_mgr_restart()
try:
self.restful_plugin_ping()
self.ping_failure_count = 0
@ -710,6 +724,7 @@ class ServiceMonitor(object):
stdout=null,
stderr=null,
shell=False)
self.ceph_mgr_start_date = datetime.now()
except (OSError, ValueError) as err:
raise CephMgrStartFailed(reason=str(err))
time.sleep(CONFIG.ceph_mgr_grace_period_sec)
@ -720,6 +735,15 @@ class ServiceMonitor(object):
LOG.info('Stop ceph-mgr')
psutil_terminate_kill(self.ceph_mgr, CONFIG.ceph_mgr_kill_delay_sec)
def ceph_mgr_restart(self):
self.ceph_mgr_stop()
self.ceph_mgr_start()
def ceph_mgr_uptime(self):
if not self.ceph_mgr_start_date:
return 0
return (datetime.now() - self.ceph_mgr_start_date).days
def restful_plugin_has_server_port(self):
try:
with open(os.devnull, 'wb') as null: