ElasticSearch
From Leo's Notes
This page was last edited on 3 September 2019, at 17:35.
Open Distro for ElasticSearch
Trobleshooting
Docker Image Crashloops
The container will crashloop after complaining about supervisord being unable to access /usr/share/supervisord/supervisord.log:
OpenDistro for Elasticsearch Security Demo Installer
** Warning: Do not use on production or public reachable systems **
Basedir: /usr/share/elasticsearch
Elasticsearch install type: rpm/deb on CentOS Linux release 7.6.1810 (Core)
Elasticsearch config dir: /usr/share/elasticsearch/config
Elasticsearch config file: /usr/share/elasticsearch/config/elasticsearch.yml
Elasticsearch bin dir: /usr/share/elasticsearch/bin
Elasticsearch plugins dir: /usr/share/elasticsearch/plugins
Elasticsearch lib dir: /usr/share/elasticsearch/lib
Detected Elasticsearch Version: x-content-7.0.1
Detected Open Distro Security Version: 1.0.0.2
/usr/share/elasticsearch/config/elasticsearch.yml seems to be already configured for Security. Quit.
Traceback (most recent call last):
File "/usr/bin/supervisord", line 9, in <module>
load_entry_point('supervisor==4.0.4', 'console_scripts', 'supervisord')()
File "/usr/lib/python2.7/site-packages/supervisor-4.0.4-py2.7.egg/supervisor/supervisord.py", line 358, in main
go(options)
File "/usr/lib/python2.7/site-packages/supervisor-4.0.4-py2.7.egg/supervisor/supervisord.py", line 368, in go
d.main()
File "/usr/lib/python2.7/site-packages/supervisor-4.0.4-py2.7.egg/supervisor/supervisord.py", line 70, in main
self.options.make_logger()
File "/usr/lib/python2.7/site-packages/supervisor-4.0.4-py2.7.egg/supervisor/options.py", line 1472, in make_logger
backups=self.logfile_backups,
File "/usr/lib/python2.7/site-packages/supervisor-4.0.4-py2.7.egg/supervisor/loggers.py", line 417, in handle_file
handler = RotatingFileHandler(filename, 'a', maxbytes, backups)
File "/usr/lib/python2.7/site-packages/supervisor-4.0.4-py2.7.egg/supervisor/loggers.py", line 212, in __init__
FileHandler.__init__(self, filename, mode)
File "/usr/lib/python2.7/site-packages/supervisor-4.0.4-py2.7.egg/supervisor/loggers.py", line 159, in __init__
self.stream = open(filename, mode)
IOError: [Errno 13] Permission denied: '/usr/share/supervisor/supervisord.log'
This only happens when deployed using the ElasticSearch helm chart which drops all privileges on the container. The container from Open Distro requires root to function properly and this issue was fixed by allowing the container to run as UID 0.