Commits on Sep 14, 2016

1. Remove old style kickstart generation. …

   Even if hosts_file_use_custom_inventory == True, skipping over all the
   hosts in the old-style kickstart generation takes a long time. In our
   environment, running
   
   ansible-playbook install.yml --tags=pxe
   
   shows the following timings:
   
   Wednesday 14 September 2016  10:10:12 +0300 (0:00:01.322)       0:02:16.558 ***
   ===============================================================================
   ansible-role-pxe_config : copy over kickstart file (old style) --------- 34.82s
   ansible-role-pxe_config : populate hosts file from template with PXE hosts -- 20.68s
   ansible-role-pxe_config : create pxe boot data json file --------------- 19.28s
   ansible-role-pxe_config : create_dhcp_configs -------------------------- 19.10s
   ansible-role-pxe_config : copy over kickstart file (new and faster style) --- 9.45s
   
   (top 5 only, all other tasks are below 2s.)

   

   jabl committed Sep 14, 2016
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