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import re
import gzip
import sys
import os
import lxml.etree
import Bcfg2.Server.Plugin
from Bcfg2.Server.Plugins.Packages.Collection import Collection
from Bcfg2.Server.Plugins.Packages.Layman import LaymanSource
_portage_python = '/usr/lib/portage/pym/'
def _import_portage(caller):
# generate prefix path
caller.prefix = os.path.join(caller.basepath, 'cache', 'portage')
if not os.path.isdir(caller.prefix):
caller.logger.error("Packages: %s is not a dir. "
"Portage will not work. Please "
"remember to setup a EPREFIX there." %
caller.prefix)
# TODO: automatic EPREFIX setup
raise Exception('Invalid EPREFIX')
os.environ['PORTAGE_OVERRIDE_EPREFIX'] = caller.prefix
if not os.path.isdir(_portage_python):
self.logger.error("Packages: %s not found. Have you installed "
"the portage python modules?" % _portage_python)
raise Exception('Portage not found')
sys.path = sys.path + [_portage_python]
portage = __import__('portage', globals(), locals(),
['_sets', 'dbapi.porttree' ])
emerge = __import__('_emerge', globals(), locals(),
['RootConfig', 'depgraph', 'Package', 'actions'])
# setup profile
if '_setup_profile' in dir(caller):
caller._setup_profile(portage)
# fix some default settings
portage.settings.unlock()
portage.settings['PORTAGE_RSYNC_INITIAL_TIMEOUT'] = '0'
portage.settings.lock()
porttree = portage.db[portage.root]['porttree']
caller._import_portage(portage, emerge, porttree)
class PortageCollection(Collection):
def __init__(self, metadata, sources, basepath, debug=False):
Collection.__init__(self, metadata, sources, basepath, debug)
self.portage = None
self.emerge = None
self.porttree = None
@property
def cachefiles(self):
return []
def complete(self, packagelist, pinnings=None, recommended=None):
if not self.portage:
_import_portage(self)
# calculate deps
setconfig = self.portage._sets.load_default_config(
self.portage.settings,
self.portage.db[self.portage.root])
rconfig = self.emerge.RootConfig.RootConfig(
self.portage.settings,
self.portage.db[self.portage.root],
setconfig)
self.portage.db[self.portage.root]['root_config'] = rconfig
tree = self.portage.db[self.portage.root]['porttree']
pkgs = ["=" + j.cpv for (i, j) in packagelist if i == 'ok']
fail = [j for (i, j) in packagelist if i == 'fail']
x = self.emerge.depgraph.backtrack_depgraph(
self.portage.settings,
self.portage.db,
{'--pretend': True},
{'recurse': True},
'merge',
pkgs,
None)
g = x[1]._dynamic_config.digraph
packages = [i for i in g.all_nodes() \
if isinstance(i, self.emerge.Package.Package)]
return (set(packages), set(fail))
def get_additional_data(self):
return []
def get_group(self, group):
self.logger.warning("Packages: Package sets are currently not supported")
return []
def packages_from_entry(self, entry):
if not self.portage:
_import_portage(self)
try:
name = entry.get('name')
pkgs = self.porttree.dep_bestmatch(name)
except self.portage.exception.AmbiguousPackageName as e:
self.logger.error("Packages: AmbiguousPackageName: %s" % e)
pkgs = ''
if pkgs == '':
return [('fail', name)]
return [('ok', pkgs)]
def packages_to_entry(self, pkgs, entry, config):
for pkg in pkgs:
if pkg.slot != '0':
name = "%s:%s" % (pkg.cp, pkg.slot)
else:
name = pkg.cp
lxml.etree.SubElement(entry, 'BoundPackage', name=name,
version=config.get("packages", "version",
default="auto"),
type=self.ptype, origin='Packages')
def get_new_packages(self, initial, complete):
new = []
init = [pkg.cp for status, pkg in initial if status == 'ok']
for pkg in complete:
if pkg.cp not in init:
new.append(pkg)
return new
def setup_data(self, force_update=False):
pass
def _setup_profile(self, portage):
if 'gentoo-profile' not in self.metadata.Probes:
raise Exception('Unknown profile.')
profile = os.path.join(self.prefix, 'usr/portage/profiles/',
self.metadata.Probes['gentoo-profile'])
env = portage.settings.configdict['backupenv']
# add layman overlays
env['PORTDIR_OVERLAY'] = ''
for overlay in self.sources:
if isinstance(overlay, LaymanSource):
env['PORTDIR_OVERLAY'] += ' '
env['PORTDIR_OVERLAY'] += overlay.dir
portage.settings = portage.package.ebuild.config.config(
config_root=portage.settings['PORTAGE_CONFIGROOT'],
target_root=portage.settings['ROOT'],
env=env,
eprefix=portage.settings['EPREFIX'],
config_profile_path=profile)
portage.db[portage.root]['porttree'].settings = portage.settings
newdbapi = portage.dbapi.porttree.portdbapi(mysettings=portage.settings)
portage.db[portage.root]['porttree'].dbapi = newdbapi
portage.db[portage.root]['vartree'].settings = portage.settings
portage.db[portage.root]['vartree'].dbapi.settings = portage.settings
def _set_portage_config(self):
# get global use flags
self.portage.settings.unlock()
self.portage.settings['USE'] = ''
if 'gentoo-use-flags' in self.metadata.Probes:
self.portage.settings['USE'] = \
self.metadata.Probes['gentoo-use-flags']
# add package flags (accept_keywords, use)
if hasattr(self.metadata, 'PkgVars'):
for k in self.metadata.PkgVars['keywords']:
keyword = metadata.PkgVars['keywords'][k]
self.portage.settings._keywords_manager.pkeywordsdict[k] = \
{k: tuple(keyword)}
for u in self.metadata.PkgVars['use']:
use = metadata.PkgVars['use'][u]
self.portage.settings._use_manager._pusedict[u] = \
{u: tuple(use)}
self.portage.settings.lock()
def _import_portage(self, portage, emerge, porttree):
self.portage = portage
self.emerge = emerge
self.porttree = porttree
self._set_portage_config()
for s in self.sources:
if isinstance(s, PortageSource):
s._import_portage(portage, emerge, porttree)
class PortageSource(Bcfg2.Server.Plugin.Debuggable):
basegroups = ['portage', 'gentoo', 'emerge']
ptype = 'ebuild'
def __init__(self, basepath, xsource, config):
Bcfg2.Server.Plugin.Debuggable.__init__(self)
self.basepath = basepath
self.xsource = xsource
self.config = config
self.url = xsource.get('url', '')
self.priority = xsource.get('priority', 0)
self.cachefile = None
self.gpgkeys = []
self.recommended = False
self.portage = None
self.emerge = None
self.porttree = None
# build the set of conditions to see if this source applies to
# a given set of metadata
self.conditions = []
self.groups = [] # provided for some limited backwards compat
for el in xsource.iterancestors():
if el.tag == "Group":
if el.get("negate", "false").lower() == "true":
self.conditions.append(lambda m, el=el:
el.get("name") not in m.groups)
else:
self.groups.append(el.get("name"))
self.conditions.append(lambda m, el=el:
el.get("name") in m.groups)
elif el.tag == "Client":
if el.get("negate", "false").lower() == "true":
self.conditions.append(lambda m, el=el:
el.get("name") != m.hostname)
else:
self.conditions.append(lambda m, el=el:
el.get("name") == m.hostname)
def _import_portage(self, portage, emerge, porttree):
self.portage = portage
self.emerge = emerge
self.porttree = porttree
def save_state(self):
pass
def load_state(self):
pass
def filter_unknown(self, unknown):
filtered = set([u for u in unknown if u.startswith('choice')])
unknown.difference_update(filtered)
def get_urls(self):
return self.url
urls = property(get_urls)
def magic_groups_match(self, metadata):
if self.config.getboolean("global", "magic_groups",
default=True) == False:
return True
else:
for group in self.basegroups:
if group in metadata.groups:
return True
return False
def setup_data(self, force_update=False):
if not self.porttree:
_import_portage(self)
timestamp = os.path.join(self.porttree.portroot, 'metadata/timestamp.chk')
if not os.path.isfile(timestamp):
self.logger.error("Packages: Timestamp not found; "
"falling back to sync")
force_update = True
if force_update:
# update sync url
self.portage.settings.unlock()
self.portage.settings['SYNC'] = self.url
self.portage.settings.lock()
# realy force the sync
if os.path.isfile(timestamp):
os.unlink(timestamp)
# sync
self.logger.info("Packages: Syncing with %s" % self.url)
self.emerge.actions.action_sync(self.portage.settings,
self.portage.db, None,
{'--quiet': True}, 'sync')
def applies(self, metadata):
# check base groups
if not self.magic_groups_match(metadata):
return False
# check Group/Client tags from sources.xml
for condition in self.conditions:
if not condition(metadata):
return False
return True
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