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#!/usr/bin/python
#
# This file is a portion of the Red Hat Update Agent
# Copyright (c) 1999 - 2005 Red Hat, Inc. Distributed under GPL
#
# Authors:
# Cristian Gafton <gafton@redhat.com>
# Adrian Likins <alikins@redhat.com>
#
# $Id: sourcesConfig.py,v 1.12 2005/04/26 21:25:34 alikins Exp $
import os
import sys
import string
import config
import up2dateUtils
import up2dateLog
import wrapperUtils
from rhpl.translate import _, N_
# The format for sources v1 is stupid. each entry can only be one line
# each different source type has different info (aieee!) # comment stuff out (duh)
SOURCESFILE="/etc/sysconfig/rhn/sources"
def showError(line):
print _("Error parsing %s") % SOURCESFILE
print _("at line: %s") % line
class SourcesConfigFile:
"class for parsing out the up2date/apt/yum src repo info"
def __init__(self, filename = None):
self.repos = []
self.fileName = filename
self.cfg = config.initUp2dateConfig()
#just so we dont import repomd info more than onc
self.setupRepomd = None
if self.fileName:
self.load()
def load(self, filename = None):
if filename:
self.fileName = filename
if not self.fileName:
return
if not os.access(self.fileName, os.R_OK):
print "warning: can't access %s" % self.fileName
return
f = open(self.fileName, "r")
for line in f.readlines():
# strip comments
if '#' in line:
line = line[:string.find(line, '#')]
line = string.strip(line)
if not line:
continue
data = string.split(line)
repoType = data[0]
if data[0] == "up2date":
self.parseUp2date(line)
if data[0] == "yum":
self.parseYum(line)
if data[0] == "apt":
self.parseApt(line)
if data[0] == "dir":
self.parseDir(line)
if data[0] == "bt":
self.parseBt(line)
if data[0] == "yum-mirror":
self.parseYumMirror(line)
if data[0] == "apt-mirror":
self.parseAptMirror(line)
if data[0] == "rpmmd":
self.parseRpmmd(line)
if data[0] == "repomd" and not self.setupRepomd:
self.parseRepomd(line)
self.setupRepomd = True
f.close()
# in some cases, we want to readd the line that points at RHN
def writeUp2date(self):
# parse the config file into something editable
f = open(self.fileName, "r")
lines = f.readlines()
index = 0
for line in lines:
if '#' in line:
line = line[:string.find(line, '#')]
line = string.rstrip(line)
if not line:
index = index + 1
continue
firstUsedLine = index
break
f.close()
f = open(self.fileName, "w")
lines.insert(firstUsedLine-1, "up2date default\n")
buf = string.join(lines, '')
f.write(buf)
f.close()
def parseUp2date(self,line):
try:
(tmp, url) = string.split(line)
except:
showError(line)
return
if url == "default":
self.repos.append({'type':'up2date', 'url':self.cfg['serverURL']})
else:
self.repos.append({'type':'up2date', 'url':url})
def parseDir(self, line):
try:
(tmp, name, path) = string.split(line)
except:
showError(line)
return
self.repos.append({'type':'dir','path':path, 'label':name})
def parseYum(self, line):
try:
(tmp, name, url) = string.split(line)
except:
showError(line)
return
try:
(tmp, name, url) = string.split(line)
except:
showError(line)
return
url,name = self.subArchAndVersion(url, name)
self.repos.append({'type':'yum', 'url':url, 'label':name})
def subArchAndVersion(self, url,name):
arch = up2dateUtils.getUnameArch()
releasever = up2dateUtils.getVersion()
#FIXME:
releasever = "3"
url = string.replace(url, "$ARCH", arch)
name = string.replace(name, "$ARCH", arch)
url = string.replace(url, "$RELEASE", releasever)
name = string.replace(name, "$RELEASE", releasever)
# support the yum format as well
url = string.replace(url, "$basearch", arch)
name = string.replace(name, "$basearch", arch)
url = string.replace(url, "$releasever", releasever)
name = string.replace(name, "$releasever", releasever)
return (url, name)
def parseYumMirror(self, line):
try:
tmp = []
tmp = string.split(line)
except:
showError(line)
return
url = tmp[2]
name = tmp[1]
(url,name) = self.subArchAndVersion(url, name)
self.repos.append({'type':'yum-mirror', 'url':url, 'label':name})
def parseAptMirror(self, line):
try:
tmp = []
tmp = string.split(line)
server = tmp[2]
path = tmp[3]
label = tmp[1]
dists = tmp[4:]
except:
showError(line)
return
(url,name) = self.subArchAndVersion(url, name)
for dist in dists:
self.repos.append({'type':'apt-mirror', 'url':"%s/%s" (server, path),
'label':name, 'dist': dist})
def parseRepomd(self, line):
try:
parts = string.split(line)
except:
showError(line)
return
from repoBackends import yumBaseRepo
yb = yumBaseRepo.initYumRepo()
channelName = parts[1]
# use the built in yum config
from yum import repos
for reponame in yb.repos.repos.keys():
repo = yb.repos.repos[reponame]
if repo.enabled:
repo.baseurlSetup()
(url,name) = self.subArchAndVersion(repo.baseurls[0], repo.id)
self.repos.append({'type':'repomd', 'url':url, 'label':name})
def parseApt(self, line):
# of course, the debian one had to be weird
# atm, we only support http one's
try:
data = string.split(line)
name = data[1]
server = data[2]
path = data[3]
dists = data[4:]
except:
print "Error parsing /etc/sysconfig/rhn/up2date"
print "at line: %s" % line
return
# if multiple dists are appended, make them seperate
# channels
for dist in dists:
self.repos.append({'type':'apt',
'url':'%s/%s' % (server, path),
'label': "%s-%s" % (name,dist),
'dist': dist})
def getSources():
global sources
try:
sources = sources
except NameError:
sources = None
if sources == None:
scfg = SourcesConfigFile(filename="/etc/sysconfig/rhn/sources")
sources = scfg.repos
return sources
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