125 lines
4.1 KiB
Python
125 lines
4.1 KiB
Python
#
|
|
# pylorax instroot module
|
|
# Install image and tree support data generation tool -- Python module.
|
|
#
|
|
# Copyright (C) 2008 Red Hat, Inc.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
# Author(s): David Cantrell <dcantrell@redhat.com>
|
|
#
|
|
|
|
import sys
|
|
import pylorax
|
|
|
|
sys.path.insert(0, '/usr/share/yum-cli')
|
|
import yummain
|
|
|
|
# Create inst root from which stage 1 and stage 2 images are built.
|
|
def createInstRoot(yumconf=None, arch=None, treedir=None, updates=None):
|
|
"""createInstRoot(yumconf=None, arch=None, treedir=None, [updates=None])
|
|
|
|
Create a instroot tree for the specified architecture. The list of
|
|
packages to install are specified in the /etc/lorax/packages and
|
|
/etc/lorax/ARCH/packages files.
|
|
|
|
yumconf is the path to the yum configuration create for this run of
|
|
lorax. arch is the platform name we are building for, treedir is
|
|
the location where the instroot tree should go
|
|
(will be treedir + '/install'). updates is an optional path to a
|
|
directory of update RPM packages for the instroot.
|
|
|
|
The yumconf, arch, and treedir parameters are all required.
|
|
|
|
On success, this function returns True. On failure, False is
|
|
returned or the program is aborted immediately.
|
|
|
|
"""
|
|
|
|
if yumconf is None or arch is None or treedir is None:
|
|
return False
|
|
|
|
# on 64-bit systems, make sure we use lib64 as the lib directory
|
|
if arch.endswith('64') or arch == 's390x':
|
|
libdir = 'lib64'
|
|
else:
|
|
libdir = 'lib'
|
|
|
|
# the directory where the instroot will be created
|
|
destdir = treedir + '/install'
|
|
os.makedirs(destdir)
|
|
|
|
# build a list of packages to install
|
|
packages = set()
|
|
|
|
packages_files = []
|
|
packages_files.append(pylorax.conf['confdir'] + '/packages')
|
|
packages_files.append(pylorax.conf['confdir'] + '/' + arch + '/packages')
|
|
|
|
for pfile in packages_file:
|
|
if os.path.isfile(pfile):
|
|
f = open(pfile, 'r')
|
|
for line in f.readlines():
|
|
if line.startswith('#') or line == '':
|
|
continue
|
|
|
|
if line.startswith('-'):
|
|
try:
|
|
packages.remove(line[1:].strip())
|
|
except KeyError:
|
|
pass
|
|
else:
|
|
packages.add(line.strip())
|
|
|
|
f.close()
|
|
|
|
packages = list(packages).sort()
|
|
|
|
# install the packages to the instroot
|
|
if not installPackages(yumconf=yumconf, destdir=destdir, packages=packages):
|
|
sys.stderr.write("ERROR: Could not install packages.\n")
|
|
sys.exit(1)
|
|
|
|
# XXX: more coming!
|
|
|
|
return True
|
|
|
|
# Call yummain to install the list of packages to destdir
|
|
def installPackages(yumconf=yumconf, destdir=destdir, packages=packages):
|
|
"""installPackages(yumconf=yumconf, destdir=destdir, packages=packages)
|
|
|
|
Call yummain to install the list of packages. All parameters are
|
|
required. yumconf is the yum configuration file created for this
|
|
run of lorax. destdir is the installroot that yum should install to.
|
|
packages is a list of package names that yum should install.
|
|
|
|
yum will resolve dependencies, so it is not necessary to list every
|
|
package you want in the instroot.
|
|
|
|
This function returns True on success, False on failre.
|
|
|
|
"""
|
|
|
|
arglist = ['-c', yumconf, '-y']
|
|
arglist.append("--installroot=%s" % (destdir,))
|
|
arglist.append('install')
|
|
|
|
pkgs = ''
|
|
for package in packages:
|
|
pkgs += ' ' + package
|
|
|
|
arglist.append(pkgs.strip())
|
|
|
|
return yummain.user_main(arglist, exit_code=False)
|