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diskimage-builder/elements/centos-minimal
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Ian Wienand 995c539491 Revert "Revert "Pre-install pip/virtualenv packages"" 
This reverts commit a645fa4ffb.

It is really devstack causing problems here; it was removing the
python-virtualenv package & re-installing using pip (see depends-on).
This failed because the pip-install we did here removed the egg-file
that rpm expected to be there, so rpm bailed out on the removal.

But even if it worked, this just leads you back down the path of the
original problem; that the system packaged version can be re-installed
and overwrites the pip installed version.  Thus I still believe this
is the correct thing to do in the dib element.

Note it is not a common problem (devstack aside); most jobs don't
touch python-virtualenv & related packages (the one we did notice this
on was being brought over from travisci where it was required for some
reason).

Change-Id: I82acb865378a0fa5903a6267bfcee0e2962eced0
Depends-On: Ib0edf6c4ee8a510e9d671213de35d787f56acfed
2016-07-14 13:54:41 +10:00
..
environment.d Revert "Revert "Pre-install pip/virtualenv packages"" 2016-07-14 13:54:41 +10:00
yum.repos.d Port centos-minimal to yum-minimal 2015-04-22 20:34:48 -04:00
element-deps Add EPEL as requirement of centos-minimal 2016-04-16 07:03:39 +10:00
element-provides centos-minimal does not provide base 2016-03-10 13:51:08 +11:00
README.rst centos-minimal: can be used with base 2016-05-16 13:36:55 +10:00

README.rst 

==============
centos-minimal
==============
Create a minimal image based on CentOS 7.

Use of this element will require 'yum' and 'yum-utils' to be installed on
Ubuntu and Debian. Nothing additional is needed on Fedora or CentOS.

The `DIB_OFFLINE` or more specific `DIB_YUMCHROOT_USE_CACHE`
variables can be set to prefer the use of a pre-cached root filesystem
tarball.

By default, `DIB_YUM_MINIMAL_CREATE_INTERFACES` is set to enable the
creation of `/etc/sysconfig/network-scripts/ifcfg-eth[0|1]` scripts to
enable DHCP on the `eth0` & `eth1` interfaces.  If you do not have
these interfaces, or if you are using something else to setup the
network such as cloud-init, glean or network-manager, you would want
to set this to `0`.