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'''This provides bcfg2 support for yum'''
__revision__ = '$Revision: $'
import ConfigParser
import copy
import os.path
import sys
import yum
import Bcfg2.Client.XML
import Bcfg2.Client.Tools.RPMng
YAD = True
CP = ConfigParser.ConfigParser()
try:
if '-C' in sys.argv:
CP.read([sys.argv[sys.argv.index('-C') + 1]])
else:
CP.read(['/etc/bcfg2.conf'])
if CP.get('YUMng', 'autodep').lower() == 'false':
YAD = False
except:
pass
if not hasattr(Bcfg2.Client.Tools.RPMng, 'RPMng'):
raise ImportError
class YUMng(Bcfg2.Client.Tools.RPMng.RPMng):
'''Support for Yum packages'''
pkgtype = 'yum'
name = 'YUMng'
__execs__ = ['/usr/bin/yum', '/var/lib/rpm']
__handles__ = [('Package', 'yum'), ('Package', 'rpm')]
__req__ = {'Package': ['name', 'version']}
__ireq__ = {'Package': ['name']}
#__ireq__ = {'Package': ['name', 'version']}
__new_req__ = {'Package': ['name'], 'Instance': ['version', 'release', 'arch']}
__new_ireq__ = {'Package': ['name'], \
'Instance': []}
#__new_ireq__ = {'Package': ['name', 'uri'], \
# 'Instance': ['simplefile', 'version', 'release', 'arch']}
__gpg_req__ = {'Package': ['name', 'version']}
__gpg_ireq__ = {'Package': ['name', 'version']}
__new_gpg_req__ = {'Package': ['name'], 'Instance': ['version', 'release']}
__new_gpg_ireq__ = {'Package': ['name'], 'Instance': ['version', 'release']}
conflicts = ['RPMng']
def __init__(self, logger, setup, config):
Bcfg2.Client.Tools.RPMng.RPMng.__init__(self, logger, setup, config)
self.yum_avail = dict()
self.yum_installed = dict()
self.yb = yum.YumBase()
yup = self.yb.doPackageLists(pkgnarrow='updates')
for dest, source in [(self.yum_avail, yup.updates),
(self.yum_installed, self.yb.rpmdb)]:
for pkg in source:
data = [(pkg.arch, (pkg.epoch, pkg.version, pkg.release))]
if pkg.name in dest:
dest[pkg.name].update(data)
else:
dest[pkg.name] = dict(data)
def VerifyPackage(self, entry, modlist):
pinned_version = None
if entry.get('version', False) == 'auto':
# old style entry; synthesize Instances from current installed
if entry.get('name') not in self.yum_installed and \
entry.get('name') not in self.yum_avail:
# new entry; fall back to default
entry.set('version', 'any')
else:
data = copy.copy(self.yum_installed[entry.get('name')])
if entry.get('name') in self.yum_avail:
# installed but out of date
data.update(self.yum_avail[entry.get('name')])
for (arch, (epoch, vers, rel)) in list(data.items()):
Bcfg2.Client.XML.SubElement(entry, "Instance",
name=entry.get('name'),
version=vers, arch=arch,
release=rel, epoch=epoch)
return Bcfg2.Client.Tools.RPMng.RPMng.VerifyPackage(self, entry,
modlist)
def Install(self, packages, states):
'''
Try and fix everything that RPMng.VerifyPackages() found wrong for
each Package Entry. This can result in individual RPMs being
installed (for the first time), deleted, downgraded
or upgraded.
NOTE: YUM can not reinstall a package that it thinks is already
installed.
packages is a list of Package Elements that has
states[<Package Element>] == False
The following effects occur:
- states{} is conditionally updated for each package.
- self.installed{} is rebuilt, possibly multiple times.
- self.instance_status{} is conditionally updated for each instance
of a package.
- Each package will be added to self.modified[] if its states{}
entry is set to True.
'''
self.logger.info('Running YUMng.Install()')
install_pkgs = []
gpg_keys = []
upgrade_pkgs = []
# Remove extra instances.
# Can not reverify because we don't have a package entry.
if len(self.extra_instances) > 0:
if (self.setup.get('remove') == 'all' or \
self.setup.get('remove') == 'packages'):
self.RemovePackages(self.extra_instances)
else:
self.logger.info("The following extra package instances will be removed by the '-r' option:")
for pkg in self.extra_instances:
for inst in pkg:
self.logger.info(" %s %s" % \
((pkg.get('name'), self.str_evra(inst))))
# Figure out which instances of the packages actually need something
# doing to them and place in the appropriate work 'queue'.
for pkg in packages:
insts = [pinst for pinst in pkg \
if pinst.tag in ['Instance', 'Package']]
if insts:
for inst in insts:
if self.FixInstance(inst, self.instance_status[inst]):
if self.instance_status[inst].get('installed', False) \
== False:
if pkg.get('name') == 'gpg-pubkey':
gpg_keys.append(inst)
else:
install_pkgs.append(inst)
elif self.instance_status[inst].get('version_fail', \
False) == True:
upgrade_pkgs.append(inst)
else:
install_pkgs.append(pkg)
# Install GPG keys.
# Alternatively specify the required keys using 'gpgkey' in the
# repository definition in yum.conf. YUM will install the keys
# automatically.
if len(gpg_keys) > 0:
for inst in gpg_keys:
self.logger.info("Installing GPG keys.")
key_arg = os.path.join(self.instance_status[inst].get('pkg').get('uri'), \
inst.get('simplefile'))
cmdrc, output = self.cmd.run("rpm --import %s" % key_arg)
if cmdrc != 0:
self.logger.debug("Unable to install %s-%s" % \
(self.instance_status[inst].get('pkg').get('name'), \
self.str_evra(inst)))
else:
self.logger.debug("Installed %s-%s-%s" % \
(self.instance_status[inst].get('pkg').get('name'), \
inst.get('version'), inst.get('release')))
self.RefreshPackages()
self.gpg_keyids = self.getinstalledgpg()
pkg = self.instance_status[gpg_keys[0]].get('pkg')
states[pkg] = self.VerifyPackage(pkg, [])
# Install packages.
if len(install_pkgs) > 0:
self.logger.info("Attempting to install packages")
if YAD:
pkgtool = "/usr/bin/yum -d0 -y install %s"
else:
pkgtool = "/usr/bin/yum -d0 install %s"
install_args = []
for inst in install_pkgs:
pkg_arg = self.instance_status[inst].get('pkg').get('name')
if inst.get('epoch', False):
pkg_arg = pkg_arg + '-' + inst.get('epoch') + ':' + inst.get('version') + \
'-' + inst.get('release') + '.' + inst.get('arch')
else:
if inst.get('version', False) and \
inst.get('version') != 'any':
pkg_arg = pkg_arg + '-' + inst.get('version')
if inst.get('release', False):
pkg_arg = pkg_arg + '-' + inst.get('release')
if inst.get('arch', False) and inst.get('arch') != 'any':
pkg_arg = pkg_arg + '.' + inst.get('arch')
install_args.append(pkg_arg)
cmdrc, output = self.cmd.run(pkgtool % " ".join(install_args))
if cmdrc == 0:
# The yum command succeeded. All packages installed.
self.logger.info("Single Pass for Install Succeded")
self.RefreshPackages()
else:
# The yum command failed. No packages installed.
# Try installing instances individually.
self.logger.error("Single Pass Install of Packages Failed")
installed_instances = []
for inst in install_pkgs:
pkg_arg = self.instance_status[inst].get('pkg').get('name')
if inst.get('epoch', False):
pkg_arg = pkg_arg + '-' + inst.get('epoch') + ':' + inst.get('version') + \
'-' + inst.get('release') + '.' + inst.get('arch')
else:
if inst.get('version', False):
pkg_arg = pkg_arg + '-' + inst.get('version')
if inst.get('release', False):
pkg_arg = pkg_arg + '-' + inst.get('release')
if inst.get('arch', False):
pkg_arg = pkg_arg + '.' + inst.get('arch')
cmdrc, output = self.cmd.run(pkgtool % pkg_arg)
if cmdrc == 0:
installed_instances.append(inst)
else:
self.logger.debug("%s %s would not install." % \
(self.instance_status[inst].get('pkg').get('name'), \
self.str_evra(inst)))
self.RefreshPackages()
# Fix upgradeable packages.
if len(upgrade_pkgs) > 0:
self.logger.info("Attempting to upgrade packages")
if YAD:
pkgtool = "/usr/bin/yum -d0 -y update %s"
else:
pkgtool = "/usr/bin/yum -d0 update %s"
upgrade_args = []
for inst in upgrade_pkgs:
pkg_arg = self.instance_status[inst].get('pkg').get('name')
if inst.get('epoch', False):
pkg_arg = pkg_arg + '-' + inst.get('epoch') + ':' + inst.get('version') + \
'-' + inst.get('release') + '.' + inst.get('arch')
else:
if inst.get('version', False):
pkg_arg = pkg_arg + '-' + inst.get('version')
if inst.get('release', False):
pkg_arg = pkg_arg + '-' + inst.get('release')
if inst.get('arch', False):
pkg_arg = pkg_arg + '.' + inst.get('arch')
upgrade_args.append(pkg_arg)
cmdrc, output = self.cmd.run(pkgtool % " ".join(upgrade_args))
if cmdrc == 0:
# The yum command succeeded. All packages installed.
self.logger.info("Single Pass for Install Succeded")
self.RefreshPackages()
else:
# The yum command failed. No packages installed.
# Try installing instances individually.
self.logger.error("Single Pass Install of Packages Failed")
installed_instances = []
for inst in upgrade_pkgs:
pkg_arg = self.instance_status[inst].get('pkg').get('name')
if inst.get('epoch', False):
pkg_arg = pkg_arg + '-' + inst.get('epoch') + ':' + inst.get('version') + \
'-' + inst.get('release') + '.' + inst.get('arch')
else:
if inst.get('version', False):
pkg_arg = pkg_arg + '-' + inst.get('version')
if inst.get('release', False):
pkg_arg = pkg_arg + '-' + inst.get('release')
if inst.get('arch', False):
pkg_arg = pkg_arg + '.' + inst.get('arch')
cmdrc, output = self.cmd.run(pkgtool % pkg_arg)
if cmdrc == 0:
installed_instances.append(inst)
else:
self.logger.debug("%s %s would not install." % \
(self.instance_status[inst].get('pkg').get('name'), \
self.str_evra(inst)))
self.RefreshPackages()
if not self.setup['kevlar']:
for pkg_entry in [p for p in packages if self.canVerify(p)]:
self.logger.debug("Reverifying Failed Package %s" % (pkg_entry.get('name')))
states[pkg_entry] = self.VerifyPackage(pkg_entry, \
self.modlists.get(pkg_entry, []))
for entry in [ent for ent in packages if states[ent]]:
self.modified.append(entry)
def RemovePackages(self, packages):
'''
Remove specified entries.
packages is a list of Package Entries with Instances generated
by FindExtraPackages().
'''
self.logger.debug('Running YUMng.RemovePackages()')
if YAD:
pkgtool = "/usr/bin/yum -d0 -y erase %s"
else:
pkgtool = "/usr/bin/yum -d0 erase %s"
erase_args = []
for pkg in packages:
for inst in pkg:
if pkg.get('name') != 'gpg-pubkey':
pkg_arg = pkg.get('name') + '-'
if inst.get('epoch', False):
pkg_arg = pkg_arg + inst.get('epoch') + ':'
pkg_arg = pkg_arg + inst.get('version') + '-' + inst.get('release')
if inst.get('arch', False):
pkg_arg = pkg_arg + '.' + inst.get('arch')
erase_args.append(pkg_arg)
else:
pkgspec = { 'name':pkg.get('name'),
'version':inst.get('version'),
'release':inst.get('release')}
self.logger.info("WARNING: gpg-pubkey package not in configuration %s %s"\
% (pkgspec.get('name'), self.str_evra(pkgspec)))
self.logger.info(" This package will be deleted in a future version of the RPMng driver.")
cmdrc, output = self.cmd.run(pkgtool % " ".join(erase_args))
if cmdrc == 0:
self.modified += packages
for pkg in erase_args:
self.logger.info("Deleted %s" % (pkg))
else:
self.logger.info("Bulk erase failed with errors:")
self.logger.debug("Erase results = %s" % output)
self.logger.info("Attempting individual erase for each package.")
for pkg in packages:
pkg_modified = False
for inst in pkg:
if pkg.get('name') != 'gpg-pubkey':
pkg_arg = pkg.get('name') + '-'
if inst.haskey('epoch'):
pkg_arg = pkg_arg + inst.get('epoch') + ':'
pkg_arg = pkg_arg + inst.get('version') + '-' + inst.get('release')
if 'arch' in inst.attrib:
pkg_arg = pkg_arg + '.' + inst.get('arch')
else:
self.logger.info("WARNING: gpg-pubkey package not in configuration %s %s"\
% (pkg.get('name'), self.str_evra(pkg)))
self.logger.info(" This package will be deleted in a future version of the RPMng driver.")
cmdrc, output = self.cmd.run(self.pkgtool % pkg_arg)
if cmdrc == 0:
pkg_modified = True
self.logger.info("Deleted %s" % pkg_arg)
else:
self.logger.error("unable to delete %s" % pkg_arg)
self.logger.debug("Failure = %s" % output)
if pkg_modified == True:
self.modified.append(pkg)
self.RefreshPackages()
self.extra = self.FindExtraPackages()
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