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Merge pull request #4302 from rooftopcellist/rsyslog_conf_race

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Prevent Rsyslog config race condition when writing to file
This commit is contained in:
Christian Adams
2020-05-07 14:21:57 -04:00
committed by GitHub
parent e64f9c6963 37125102ab
commit bae9c03258
1 changed files with 8 additions and 3 deletions
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11
awx/main/utils/external_logging.py
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@@ -1,5 +1,6 @@
import os import os
import shutil
import tempfile
import urllib.parse as urlparse import urllib.parse as urlparse
from django.conf import settings from django.conf import settings
@@ -112,6 +113,10 @@ def construct_rsyslog_conf_template(settings=settings):
def reconfigure_rsyslog(): def reconfigure_rsyslog():
tmpl = construct_rsyslog_conf_template() tmpl = construct_rsyslog_conf_template()
with open('/var/lib/awx/rsyslog/rsyslog.conf', 'w') as f: # Write config to a temp file then move it to preserve atomicity
f.write(tmpl + '\n') with tempfile.TemporaryDirectory(prefix='rsyslog-conf-') as temp_dir:
path = temp_dir + '/rsyslog.conf.temp'
with open(path, 'w') as f:
f.write(tmpl + '\n')
shutil.move(path, '/var/lib/awx/rsyslog/rsyslog.conf')
supervisor_service_command(command='restart', service='awx-rsyslogd') supervisor_service_command(command='restart', service='awx-rsyslogd')