Initial centos7 support for build-image.sh

Add some filtering to 55-cache-devsatck-repos to handle centos7, which
actually gets setup with a DISTRO_NAME of rhel7 in devstack

Update the readme file to highlight the options for building other
images.

"DISTRO=centos7 ./tools/build-image.sh" creates a workable centos7
qcow image with this change and a d-i-b that includes
Ie24033468b78587ea87188ee1b843b26895798ff

Change-Id: Ida38cba0a303ab77432d5d354f1952e00ebfa00e
This commit is contained in:
Ian Wienand 2014-09-26 13:46:18 +10:00 committed by Monty Taylor
parent 81291bd00c
commit f5c3bd5dad
2 changed files with 22 additions and 4 deletions

View File

@ -12,7 +12,7 @@ Install the dependencies:
::
sudo apt-get install kpartx qemu-utils curl
sudo apt-get install kpartx qemu-utils curl python-yaml
Install diskimage-builder:
@ -28,9 +28,15 @@ Building an image is simple, we have a script!
::
bash tools/build-image.sh
DISTRO="ubuntu" bash tools/build-image.sh
You should be left with a file called devstack-gate-precise.qcow2.
See the script for environment variables to set distribution, etc.
You should be left with a .qcow2 image file of your selected
distribution.
It is a good idea to set ``TMP_DIR`` to somewhere with plenty of space
to avoid the disappointment of a full-disk mid-way through the script
run.
Mounting the image
------------------

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@ -20,8 +20,20 @@ import os
import subprocess
import sys
# this is a bit weird; we want to get the filter to use on the
# devstack lib/[apt|rpm] files to pre-install them. So we have to
# swizzle things around
RELEASE=None
if 'DIB_RELEASE' in os.environ:
RELEASE=os.environ['DIB_RELEASE']
if 'DISTRO_NAME' in os.environ:
if os.environ['DISTRO_NAME'] == 'centos7':
# centos7 matches as rhel7 in devstack
RELEASE='rhel7'
if not RELEASE:
print "Can not determine RELEASE"
sys.exit(1)
TMP_MOUNT_PATH = os.environ['TMP_MOUNT_PATH']
TMP_HOOKS_PATH = os.environ['TMP_HOOKS_PATH']