httpd start failed during gnocchi installation

1:packstack install openstack,during gnocchi installation,httpd start failed,Error msg as follows:
PuppetError: Error appeared during Puppet run: 192.168.1.254_gnocchi.pp
Error: /Stage[main]/Apache::Service/Service[httpd]: Failed to call refresh: Could not restart Service[httpd]: Execution of '/usr/bin/systemctl restart httpd' returned 1: Job for httpd.service failed because a timeout was exceeded. See "systemctl status httpd.service" and "journalctl -xe" for details.
You will find full trace in log /var/tmp/packstack/20160720-222023-92qT7K/manifests/192.168.1.254_gnocchi.pp.log

2:use systemctl commond to show the httpd status,the status is failed

3:use systemctl commond to restart httpd,wait a minute,the httpd become active
[root@localhost home]# systemctl status httpd
?httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
  Drop-In: /usr/lib/systemd/system/httpd.service.d
           忖openstack-dashboard.conf
   Active: active (running) since Wed 2016-07-20 23:04:17 EDT; 3min 31s ago
     Docs: man:httpd(8)
           man:apachectl(8)
  Process: 31046 ExecStop=/bin/kill -WINCH ${MAINPID} (code=exited, status=0/SUCCESS)
  Process: 409 ExecStartPre=/usr/bin/python /usr/share/openstack-dashboard/manage.py compress --force (code=exited, status=0/SUCCESS)
  Process: 337 ExecStartPre=/usr/bin/python /usr/share/openstack-dashboard/manage.py collectstatic --noinput --clear (code=exited, status=0/SUCCESS)
 Main PID: 635 (httpd)
   Status: "Total requests: 0; Current requests/sec: 0; Current traffic: 0 B/sec"
   CGroup: /system.slice/httpd.service
           忖635 /usr/sbin/httpd -DFOREGROUND
           忖644 /usr/sbin/httpd -DFOREGROUND
           忖645 keystone-admin -DFOREGROUND
           忖646 keystone-main -DFOREGROUND
           忖647 /usr/sbin/httpd -DFOREGROUND
           忖648 /usr/sbin/httpd -DFOREGROUND
           忖649 /usr/sbin/httpd -DFOREGROUND
           忖650 /usr/sbin/httpd -DFOREGROUND
           忖651 /usr/sbin/httpd -DFOREGROUND
           忖652 /usr/sbin/httpd -DFOREGROUND
           忖653 /usr/sbin/httpd -DFOREGROUND
           忖654 /usr/sbin/httpd -DFOREGROUND
           忖655 /usr/sbin/httpd -DFOREGROUND
           忖656 /usr/sbin/httpd -DFOREGROUND
           忖657 /usr/sbin/httpd -DFOREGROUND

Jul 20 23:03:27 localhost.localdomain python[409]: ERROR:scss.ast:Function not found: function-exists:1
Jul 20 23:03:27 localhost.localdomain python[409]: ERROR:scss.ast:Function not found: function-exists:1
Jul 20 23:04:16 localhost.localdomain python[409]: Found 'compress' tags in:
Jul 20 23:04:16 localhost.localdomain python[409]: /usr/share/openstack-dashboard/openstack_dashboard/templates/horizon/_conf.html
Jul 20 23:04:16 localhost.localdomain python[409]: /usr/share/openstack-dashboard/openstack_dashboard/templates/_stylesheets.html
Jul 20 23:04:16 localhost.localdomain python[409]: /usr/share/openstack-dashboard/openstack_dashboard/templates/horizon/_scripts.html
Jul 20 23:04:16 localhost.localdomain python[409]: Compressing... done
Jul 20 23:04:16 localhost.localdomain python[409]: Compressed 5 block(s) from 3 template(s) for 2 context(s).
Jul 20 23:04:17 localhost.localdomain systemd[1]: Started The Apache HTTP Server.
Jul 20 23:07:41 localhost.localdomain systemd[1]: Started The Apache HTTP Server.

so I guess if the timeout time of gnocchi installation is too short?