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Posted to dev@ambari.apache.org by "Andrew Onischuk (JIRA)" <ji...@apache.org> on 2016/01/27 10:29:39 UTC
[jira] [Updated] (AMBARI-14807) Systemd on RHEL/CentOS 7.2 breaks
ambari-server startup
[ https://issues.apache.org/jira/browse/AMBARI-14807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Onischuk updated AMBARI-14807:
-------------------------------------
Attachment: AMBARI-14807.patch
> Systemd on RHEL/CentOS 7.2 breaks ambari-server startup
> -------------------------------------------------------
>
> Key: AMBARI-14807
> URL: https://issues.apache.org/jira/browse/AMBARI-14807
> Project: Ambari
> Issue Type: Bug
> Reporter: Andrew Onischuk
> Assignee: Andrew Onischuk
> Fix For: 2.2.2
>
> Attachments: AMBARI-14807.patch
>
>
> Problem:
> Systemd on RHEL/CentOS 7.2 breaks Ambari startup.
> Business Impact:
> Customers are unable to automate the startup of Ambari services
> Steps to Reproduce:
> 1\. Install RHEL 7.2
> 2\. Configure env for Ambari
> 3\. Install Ambari 2.2.0
> 4\. Configure Ambari
> 5\. Start Ambari
> 6\. Try using systemd to work with Ambari eg. systemctl status ambari-server
> Expected behaviour:
> Under RHEL 7.1 this worked, sample output:
>
>
> [root@node1 ~]# systemctl status ambari-server
> ambari-server.service - SYSV: ambari-server daemon
> Loaded: loaded (/etc/rc.d/init.d/ambari-server)
> Active: active (running) since Mon 2016-01-18 15:46:08 GMT; 16h ago
> Process: 903 ExecStart=/etc/rc.d/init.d/ambari-server start (code=exited, status=0/SUCCESS)
> CGroup: /system.slice/ambari-server.service
> └─2343 /usr/jdk64/jdk1.8.0_40/bin/java -server -XX:NewRatio=3 -XX:+UseConcMarkSweepGC -XX:-UseGCOverheadLimit -XX:CMSInit...
>
> Jan 18 15:45:51 node1.node1.com ambari-server[903]: Ambari Server running with administrator privileges.
> Jan 18 15:45:51 node1.node1.com ambari-server[903]: Running initdb: This may take upto a minute.
> Jan 18 15:45:51 node1.node1.com ambari-server[903]: About to start PostgreSQL
> Jan 18 15:45:51 node1.node1.com ambari-server[903]: Organizing resource files at /var/lib/ambari-server/resources...
> Jan 18 15:45:51 node1.node1.com ambari-server[903]: Server PID at: /var/run/ambari-server/ambari-server.pid
> Jan 18 15:45:51 node1.node1.com ambari-server[903]: Server out at: /var/log/ambari-server/ambari-server.out
> Jan 18 15:45:51 node1.node1.com ambari-server[903]: Server log at: /var/log/ambari-server/ambari-server.log
> Jan 18 15:46:08 node1.node1.com ambari-server[903]: Waiting for server start...................
> Jan 18 15:46:08 node1.node1.com ambari-server[903]: Ambari Server 'start' completed successfully.
> Jan 18 15:46:08 node1.node1.com systemd[1]: Started SYSV: ambari-server daemon.
>
> Actual Behaviour:
>
>
> [root@ip-172-30-0-10 ec2-user]# systemctl status ambari-server
> ● ambari-server.service
> Loaded: not-found (Reason: No such file or directory)
> Active: inactive (dead)
> [root@ip-172-30-0-10 ec2-user]#
>
> Support Analysis:
> I have tested this on Ambari 2.2.0 on CentOS 7.1 and RHEL 7.2 and can confirm
> that it's broken on 7.2.
> Rackspace discovered this and provided the following feedback:
> Version 7.2 of CentOS/RHEL includes a new version of systemd that breaks how
> the ambari-server is started up.
> The init.d script from the ambari-server package is not recognized anymore and
> not added to systemd, thus ambari-server cannot start at boot time anymore:
>
>
> [root@server-02 ~]# rpm -qa|grep ambari
> ambari-agent-2.2.0.0-1310.x86_64
> ambari-server-2.2.0.0-1310.x86_64
> [root@server-02 ~]# cat /etc/redhat-release
> CentOS Linux release 7.2.1511 (Core)
> [root@server-02 ~]# systemctl daemon-reload
> [root@server-02 ~]# systemctl status ambari-server
> ● ambari-server.service
> Loaded: not-found (Reason: No such file or directory)
> Active: inactive (dead)
> [root@server-02 ~]#
>
> I believe this is because /etc/rc.d/init.d/ambari-server is a symlink.
> ambari-agent init script still works just fine:
>
>
> [root@server-02 ~]# ls -l /etc/rc.d/init.d/ambari-*
> -rwxr-xr-x. 1 root root 1628 Dec 20 23:34 /etc/rc.d/init.d/ambari-agent
> lrwxrwxrwx. 1 root root 23 Jan 20 10:18 /etc/rc.d/init.d/ambari-server -> /usr/sbin/ambari-server
> [root@server-02 ~]# systemctl status ambari-agent
> ● ambari-agent.service - SYSV: ambari-agent daemon
> Loaded: loaded (/etc/rc.d/init.d/ambari-agent)
>
> If I remove the symlink and copy the /usr/sbin/ambari-server then systemd
> works again just fine:
>
>
> [root@server-02 ~]# unlink /etc/rc.d/init.d/ambari-server && cp -a /usr/sbin/ambari-server /etc/rc.d/init.d/ambari-server && systemctl daemon-reload
> [root@server-02 ~]# systemctl status ambari-server
> ● ambari-server.service - SYSV: ambari-server daemon
> Loaded: loaded (/etc/rc.d/init.d/ambari-server)
>
> So please have this fixed as currently, by default, ambari-server startup is
> broken in CentOS/RHEL 7.2
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