[AMBARI-12465] Non-Root: Knox fails to start during install with custom pid directory

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.1.1
• Assignee: Andrew Onischuk
• Reporter: Andrew Onischuk
• Created: 21/Jul/15 09:43
• Updated: 11/Dec/15 05:30
• Resolved: 21/Jul/15 09:45

Description

During non-root agent/server, umask 027, custom log dir, custom pid dir
install, Knox fails to start with this error:

stderr:
Traceback (most recent call last):
File "/var/lib/ambari-agent/cache/common-services/KNOX/0.5.0.2.2/package/scripts/knox_gateway.py", line 264, in <module>
KnoxGateway().execute()
File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 216, in execute
method(env)
File "/var/lib/ambari-agent/cache/common-services/KNOX/0.5.0.2.2/package/scripts/knox_gateway.py", line 152, in start
os.unlink(params.knox_managed_pid_symlink)
OSError: [Errno 13] Permission denied: '/usr/hdp/current/knox-server/pids'

[ambari@revo1 ~]$ grep run_as /etc/ambari-agent/conf/ambari-agent.ini
run_as_user=ambari
[ambari@revo1 ~]$ umask
0027
[ambari@revo1 ~]$ id
uid=500(ambari) gid=500(ambari) groups=500(ambari),100(users)
[ambari@revo1 ~]$ ls -ld /usr/hdp/current/knox-server/pids
lrwxrwxrwx 1 root root 13 Jul 14 13:10 /usr/hdp/current/knox-server/pids -> /var/run/knox
[ambari@revo1 ~]$ ls -ld /var/run/knox
drwxr-xr-x 2 knox knox 4096 May 18 17:06 /var/run/knox

This is with:

[ambari@revo1 ~]$ rpm -q ambari-server
ambari-server-2.1.0-1426.x86_64
[ambari@revo1 ~]$ hdp-select versions
2.2.6.0-2800
[ambari@revo1 ~]$ java -version
java version "1.7.0_65"
OpenJDK Runtime Environment (rhel-2.5.1.2.el6_5-x86_64 u65-b17)
OpenJDK 64-Bit Server VM (build 24.65-b04, mixed mode)

Sudo config (using customer users t+username)

1. Ambari Customizable Users
   ambari ALL=(ALL) NOPASSWD:SETENV: /bin/su thdfs *, /bin/su tzookeeper *, /bin/su tknox *,/bin/su tfalcon *,/bin/su tflume *,/bin/su thbase *,/bin/su thive *, /bin/su thcat *,/bin/su tkafka *,/bin/su tmapred *,/bin/su toozie *,/bin/su tsqoop *,/bin/su tstorm *,/bin/su ttez *,/bin/su tyarn *,/bin/su tams *, /bin/su tambari-qa *, /bin/su tspark *, /bin/su tranger *

1. Ambari Non-Customizable Users
   ambari ALL=(ALL) NOPASSWD:SETENV: /bin/su tmysql *

1. Ambari Commands
   ambari ALL=(ALL) NOPASSWD:SETENV: /usr/bin/yum,/usr/bin/zypper,/usr/bin/apt-get, /bin/mkdir, /bin/ln,/bin/chown, /bin/chmod, /bin/chgrp, /usr/sbin/groupadd, /usr/sbin/groupmod,/usr/sbin/useradd, /usr/sbin/usermod, /bin/cp, /bin/sed, /bin/mv, /bin/rm, /bin/kill,/usr/bin/unzip, /bin/tar, /usr/bin/hdp-select, /usr/hdp/current/hadoop-client/sbin/hadoop-daemon.sh,/usr/lib/hadoop/bin/hadoop-daemon.sh, /usr/lib/hadoop/sbin/hadoop-daemon.sh, /usr/sbin/service mysql *,/sbin/service mysqld *, /sbin/service mysql *, /sbin/chkconfig gmond off,/sbin/chkconfig gmetad off, /etc/init.d/httpd *, /sbin/service hdp-gmetad start, /sbin/service hdp-gmond start, /usr/bin/tee, /usr/sbin/gmond, /usr/sbin/update-rc.d ganglia-monitor *, /usr/sbin/update-rc.d gmetad *, /etc/init.d/apache2 *, /usr/sbin/service hdp-gmond *, /usr/sbin/service hdpgmetad *, /usr/bin/test, /bin/touch, /usr/bin/stat, /usr/sbin/setenforce, /usr/hdp/current/ranger-admin/setup.sh *, /usr/hdp/current/ranger-usersync/setup.sh *, /usr/bin/ranger-admin-start *, /usr/bin/ranger-usersync-start *, /usr/bin/ranger-usersync-stop *, /usr/bin/python2.6 /var/lib/ambari-agent/data/tmp/validateKnoxStatus.py *, /usr/hdp/current/knox-server/bin/knoxcli.sh *, /usr/bin/pgrep *

1. Defaults
   Defaults exempt_group = ambari
   Defaults !env_reset,env_delete-=PATH
   Defaults: ambari !requiretty

Issue Links

• is duplicated by: AMBARI-10413 Knox gateway fails to restart on Ubuntu 12.04 after system restart using custom pid dir because /usr/hdp/current/knox-server/pids does not point to custom pid dir
• links to: ReviewBoard