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Linux gator3171.hostgator.com 4.19.286-203.ELK.el7.x86_64 #1 SMP Wed Jun 14 04:33:55 CDT 2023 x86_64 |
| Current File : //bin/yum-config-manager |
#!/usr/bin/python -tt
import os, os.path
import sys
import re
import yum
sys.path.insert(0,'/usr/share/yum-cli')
from utils import YumUtilBase
import logging
import fnmatch
import tempfile
import shutil
from iniparse import INIConfig
import yum.config
import yum.yumRepo
from yum.parser import varReplace
# Regular expressions to sanitise cache filenames
re_url_scheme = re.compile(r'^\w+:/*(\w+:|www\.)?')
re_slash = re.compile(r'[?/:&#|]+')
re_initial_cruft = re.compile(r'^[,.]*')
re_final_cruft = re.compile(r'[,.]*$')
def sanitize_url_to_fs(url):
"""Return a filename suitable for the filesystem
Strips dangerous and common characters to create a filename we
can use to store the cache in.
"""
# code taken and modified from planet venus code base:
# http://intertwingly.net/code/venus/LICENCE
try:
if re_url_scheme.match(url):
if isinstance(url,str):
url=url.decode('utf-8').encode('idna')
else:
url=url.encode('idna')
except:
pass
if isinstance(url,unicode):
url=url.encode('utf-8')
url = re_url_scheme.sub("", url)
url = re_slash.sub("_", url)
url = re_initial_cruft.sub("", url)
url = re_final_cruft.sub("", url)
# limit length of url
if len(url)>250:
parts=url.split(',')
for i in range(len(parts),0,-1):
if len(','.join(parts[:i])) < 220:
url = ','.join(parts[:i]) + ',' + \
yum.misc.checksum('md5', (','.join(parts[i:])))
break
return url
def writeRawConfigFile(filename, section_id, yumvar,
cfgoptions, items, optionobj,
only=None):
"""
From writeRawRepoFile, but so we can alter [main] too.
"""
ini = INIConfig(open(filename))
osection_id = section_id
# b/c repoids can have $values in them we need to map both ways to figure
# out which one is which
if section_id not in ini._sections:
for sect in ini._sections.keys():
if varReplace(sect, yumvar) == section_id:
section_id = sect
# Updated the ConfigParser with the changed values
cfgOptions = cfgoptions(osection_id)
for name,value in items():
if value is None: # Proxy
continue
if only is not None and name not in only:
continue
option = optionobj(name)
ovalue = option.tostring(value)
# If the value is the same, but just interpreted ... when we don't want
# to keep the interpreted values.
if (name in ini[section_id] and
ovalue == varReplace(ini[section_id][name], yumvar)):
ovalue = ini[section_id][name]
if name not in cfgOptions and option.default == value:
continue
ini[section_id][name] = ovalue
fp =file(filename, "w")
fp.write(str(ini))
fp.close()
def match_repoid(repoid, repo_setopts):
for i in repo_setopts:
if fnmatch.fnmatch(repoid, i):
return True
NAME = 'yum-config-manager'
VERSION = '1.0'
USAGE = 'yum-config-manager [options] [section ...]'
yum.misc.setup_locale()
yb = YumUtilBase(NAME, VERSION, USAGE)
logger = logging.getLogger("yum.verbose.cli.yum-config-manager")
yb.preconf.debuglevel = 0
yb.preconf.errorlevel = 0
yb.optparser = yb.getOptionParser()
if hasattr(yb, 'getOptionGroup'): # check if the group option API is available
group = yb.getOptionGroup()
else:
group = yb.optparser
group.add_option("--save", default=False, action="store_true",
help='save the current options (useful with --setopt)')
group.add_option("--enable", default=False, action="store_true",
help='enable the specified repos (automatically saves)')
group.add_option("--disable", default=False, action="store_true",
help='disable the specified repos (automatically saves)')
group.add_option("--add-repo", default=[], dest='addrepo', action='append',
help='add (and enable) the repo from the specified file or url')
try:
opts = yb.doUtilConfigSetup()
except yum.Errors.RepoError, e:
logger.error(str(e))
sys.exit(50)
if opts.save or opts.enable or opts.disable or opts.addrepo:
if yb.conf.uid != 0:
logger.error("You must be root to change the yum configuration.")
sys.exit(50)
args = set(yb.cmds)
if opts.enable and opts.disable:
logger.error("Error: Trying to enable and disable repos.")
opts.enable = opts.disable = False
if opts.enable and not args:
logger.error("Error: please specify repos to enable (\* to enable all).")
opts.enable = False
if opts.disable and not args:
logger.error("Error: please specify repos to disable (\* to disable all).")
opts.disable = False
only = None
if (not args and not opts.addrepo) or 'main' in args:
print yb.fmtSection('main')
print yb.conf.dump()
if opts.save and hasattr(yb, 'main_setopts') and yb.main_setopts:
fn = opts.conffile
if not os.path.exists(fn):
if fn == '/etc/yum/yum.conf':
# Try the old default
fn = '/etc/yum.conf'
else:
raise yum.Errors.ConfigError("Error accessing file for config %s" % fn)
ybc = yb.conf
writeRawConfigFile(fn, 'main', ybc.yumvar,
ybc.cfg.options, ybc.iteritems, ybc.optionobj,
only=yb.main_setopts.items)
if opts.enable or opts.disable:
opts.save = True
if not hasattr(yb, 'repo_setopts') or not yb.repo_setopts:
only = ['enabled']
if args:
repos = yb.repos.findRepos(','.join(args),
name_match=True, ignore_case=True)
else:
repos = yb.repos.listEnabled()
# Automatically select repos specified within --setopt (but only for exact
# matches without wildcards). This way users don't have to specify disabled
# repos twice on the cmdline.
if hasattr(yb, 'repo_setopts') and yb.repo_setopts:
ids = set(yb.repo_setopts.keys()) & set(yb.repos.repos.keys())
ids -= set([r.id for r in repos])
repos += yb.repos.findRepos(','.join(ids),
name_match=True, ignore_case=True)
if not opts.addrepo:
for repo in sorted(repos):
print yb.fmtSection('repo: ' + repo.id)
if opts.enable and not repo.enabled:
repo.enable()
elif opts.disable and repo.enabled:
repo.disable()
print repo.dump()
if (opts.save and
(only or (hasattr(yb, 'repo_setopts') and match_repoid(repo.id, yb.repo_setopts)))):
writeRawConfigFile(repo.repofile, repo.id, repo.yumvar,
repo.cfg.options, repo.iteritems, repo.optionobj,
only)
if opts.addrepo:
# figure out the best reposdir by seeing which dirs exist
myrepodir = None
for rdir in yb.conf.reposdir:
if os.path.exists(rdir): # take the first one that exists
myrepodir = rdir
break
if not myrepodir:
myrepodir = yb.conf.reposdir[0]
os.makedirs(myrepodir)
error = False
for url in opts.addrepo:
print 'adding repo from: %s' % url
if url.endswith('.repo'): # this is a .repo file - fetch it, put it in our reposdir and enable it
destname = os.path.basename(url)
destname = myrepodir + '/' + destname
# dummy grabfunc, using [main] options
repo = yum.yumRepo.YumRepository('dummy')
repo.baseurl = ['http://dummy/']
repo.populate(yum.config.ConfigParser(), None, yb.conf)
grabber = repo.grabfunc; del repo
print 'grabbing file %s to %s' % (url, destname)
f = tempfile.NamedTemporaryFile()
try:
grabber.urlgrab(url, filename=f.name, copy_local=True, reget=None)
shutil.copy2(f.name, destname)
os.chmod(destname, 0o644)
except (IOError, OSError, yum.Errors.YumBaseError), e:
logger.error('Could not fetch/save url %s to file %s: %s' % (url, destname, e))
error = True
continue
else:
print 'repo saved to %s' % destname
finally:
f.close()
else:
repoid = sanitize_url_to_fs(url)
reponame = 'added from: %s' % url
repofile = myrepodir + '/' + repoid + '.repo'
try:
thisrepo = yb.add_enable_repo(repoid, baseurl=[url], name=reponame)
except yum.Errors.DuplicateRepoError, e:
logger.error('Cannot add repo from %s as is a duplicate of an existing repo' % url)
error = True
continue
try:
yum.config.UrlOption().parse(url)
except ValueError, e:
logger.error('Cannot add repo from %s: %s' % (url, e))
error = True
continue
repoout = """\n[%s]\nname=%s\nbaseurl=%s\nenabled=1\n\n""" % (repoid, reponame, url)
try:
fo = open(repofile, 'w+')
fo.write(repoout)
print repoout
except (IOError, OSError), e:
logger.error('Could not save repo to repofile %s: %s' % (repofile, e))
error = True
continue
else:
fo.close()
if error:
sys.exit(1)