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#!/usr/bin/env python
import copy
import os
import re
import shutil
import signal
import sys
import urllib.request
from getopt import getopt, GetoptError
from html.parser import HTMLParser
from grs import CONST
from grs import Execute
from grs import Log
from grs import Synchronize
from grs import WorldConf
from _emerge.main import emerge_main, parse_opts
from portage.exception import IsADirectory, ParseError, PermissionDenied
from portage import settings
def install_kernel(version = 'latest', logfile = CONST.LOGFILE):
""" doc here
more doc
"""
class MyHTMLParser(HTMLParser):
def __init__(self, **kwargs):
HTMLParser.__init__(self, **kwargs)
self.kernels = []
def handle_starttag(self, tag, attrs):
if tag != 'a':
return
for attr in attrs:
if attr[0] == 'href' and re.match('linux-image-', attr[1]):
self.kernels.append(attr[1])
def get_kernels(self):
return self.kernels
baseurl = settings['PORTAGE_BINHOST']
if baseurl == '':
print('PORTAGE_BINHOST is not set. Install kernel manually.')
return
try:
request = urllib.request.urlopen('%s/%s' % (baseurl,'linux-images'))
dload = request.read().decode('utf-8')
except urllib.error.HTTPError:
print('Cannot open %s' % baseurl)
return
parser = MyHTMLParser()
parser.feed(dload)
kernels = parser.get_kernels()
kernels.sort()
if version == 'latest':
try:
kernel = kernels[-1]
except IndexError:
print('No linux-image available')
return
else:
for k in kernels:
m = re.search('linux-image-(.+).tar.xz', k)
if m.group(1) == version:
kernel = k
break
else:
print('No linux-image %s available' % version)
return
# Download the linux-image tarball to packages/linux-image
request = urllib.request.urlopen('%s/%s/%s' % (baseurl, 'linux-images', kernel))
package = '/usr/portage/packages/linux-images'
os.makedirs(package, mode=0o755, exist_ok=True)
kpath = os.path.join(package, kernel)
with open(kpath, 'wb') as f:
shutil.copyfileobj(request, f)
# Try to mount /boot. Fail silently since it may not be mountable.
if not os.path.ismount('/boot'):
cmd = 'mount /boot'
Execute(cmd, timeout=60, failok=True, logfile=logfile)
# Untar it at '/'. tar will not clobber files.
cwd = os.getcwd()
os.chdir('/')
cmd = 'tar --overwrite -Jxf %s' % kpath
Execute(cmd, timeout=600, logfile=logfile)
os.chdir(cwd)
def usage(rc=1):
usage = """
usage: grsup [pkg(s)] : update @world or pkg(s) if given
grsup [-r|-d] pkg(s) : re-install or delete pkg(s)
grsup -D : download all @world pkgs, don't install
grsup -k kernel : install 'kernel' version, or 'latest'
grsup -h : print this help
"""
print(usage)
sys.exit(rc)
def main():
myaction, myopts, myfiles = parse_opts(sys.argv[1:])
try:
opts, x = getopt(sys.argv[1:], 'Ck:rdh')
except GetoptError:
usage()
do_install_kernel = False
if len(opts) == 0:
args = ['-1', '-g', '-K', '-u', '-D', '-q']
if len(myfiles) == 0:
myfiles = ['@world']
args.extend(myfiles)
else:
exclude = 0
for o, a in opts:
if o == '-h':
usage(rc=0)
elif o == '-r':
if len(myfiles) == 0 or exclude > 1:
usage()
args = ['-1', '-g', '-K', '-D', '-q']
args.extend(myfiles)
exclude += 1
elif o == '-d':
if len(myfiles) == 0 or exclude > 1:
usage()
args = ['-C', '-q']
args.extend(myfiles)
exclude += 1
elif o == '-D':
if len(myfiles) > 0:
usage()
args = ['-g', '-e', '-f', '-q', '@world']
elif o == '-k':
if len(sys.argv[1:]) != 2:
usage()
version = a
do_install_kernel = True
if len(CONST.names) > 1:
sys.stderr.write('More than one GRS specified in systems.conf. Using the first one.\n')
name = CONST.names[0]
repo_uri = CONST.repo_uris[0]
stage_uri = CONST.stage_uris[0]
libdir = CONST.libdirs[0]
logfile = CONST.logfiles[0]
# Change the log name for the client.
basename = os.path.basename(logfile)
dirname = os.path.dirname(logfile)
logfile = os.path.join(dirname, 'grsup-%s' % basename)
Log(logfile).rotate_logs()
Synchronize(repo_uri, name, libdir, logfile).sync()
# Copy the new world.conf to CONST.WORLD_CONFIG
newconf = '%s/core%s' % (libdir, CONST.WORLD_CONFIG)
shutil.copy(newconf, CONST.WORLD_CONFIG)
if os.path.isfile(CONST.PORTAGE_DIRTYFILE):
WorldConf.clean()
open(CONST.PORTAGE_DIRTYFILE, 'a').close()
WorldConf.install()
if do_install_kernel:
install_kernel(version=version)
else:
try:
emerge_main(args)
except PermissionDenied as e:
sys.stderr.write("Permission denied: '%s'\n" % str(e))
sys.stderr.flush()
sys.exit(e.errno)
except IsADirectory as e:
sys.stderr.write("'%s' is a directory, but should be a file!\n" % sys.exit(e.errno))
sys.stderr.flush()
except ParseError as e:
sys.stderr.write("%s\n" % str(e))
sys.stderr.flush()
sys.exit(1)
WorldConf.clean()
if os.path.exists(CONST.PORTAGE_DIRTYFILE):
os.remove(CONST.PORTAGE_DIRTYFILE)
if __name__ == "__main__":
try:
main()
except KeyboardInterrupt:
sys.stderr.write("Cleaning up /etc/portage. This make take some time.\n")
WorldConf.clean()
if os.path.exists(CONST.PORTAGE_DIRTYFILE):
os.remove(CONST.PORTAGE_DIRTYFILE)
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