wip
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7105c2bf8c
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217
old/runon
217
old/runon
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#!/usr/bin/env python3
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import sys
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import argparse
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import docker
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import dockerpty
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import io
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import json
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import getpass
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import platform
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import os
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import re
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import xdg.BaseDirectory
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import configparser
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import subprocess
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from pprint import pprint
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def natural_sortkey(string):
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tokenize = re.compile(r'(\d+)|(\D+)').findall
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return tuple(int(num) if num else alpha for num, alpha in tokenize(string))
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def read_ini(user_confname, osname=''):
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ini_list = [ 'runon.conf', '.runon.conf', os.path.join(xdg.BaseDirectory.xdg_config_home, 'runon', 'runon.conf'), '/etc/runon/runon.conf' ]
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defaults = {
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'osname': osname,
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'user': getpass.getuser()
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}
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if user_confname:
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ini_list.insert(0, user_confname)
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ini = configparser.ConfigParser(defaults=defaults, interpolation=configparser.ExtendedInterpolation())
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ini.read(ini_list)
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return ini
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def list_osnames(user_confname):
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ini = read_ini(user_confname)
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return ini.sections()
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def load_config(user_confname, osname):
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ini = read_ini(user_confname, osname)
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if not ini.has_section(osname):
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print('ERROR: cannot find configuration for distribution "{}"'.format(osname))
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sys.exit(1)
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conf = {}
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fields = [ 'dockerfile', 'pkginstall', 'packages', 'environment', 'binds', 'user', 'osname' ]
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try:
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for f in fields:
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conf[f] = ini.get(osname, f)
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except configparser.NoOptionError as e:
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print('ERROR: {}'.format(e))
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sys.exit(1)
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for f in [ 'dockerfile', 'environment', 'binds' ]:
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conf[f] = [ i for i in conf[f].split('\n') if i ]
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for f in [ 'packages' ]:
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conf[f] = conf[f].split()
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return conf
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def make_osname_link(binpath, osname):
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link = os.path.join(os.path.dirname(binpath), osname)
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try:
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os.symlink('runon', link)
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except FileExistsError:
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pass
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def make_image_name(osname):
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user = getpass.getuser()
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name = 'runon-{}-{}'.format(osname, user)
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return name
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def build_image(client, conf, update, verbose):
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packages = conf['packages']
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dockerfile = conf['dockerfile']
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pkginstall = conf['pkginstall']
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for p in packages:
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dockerfile.append(pkginstall.format(p))
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tag = make_image_name(conf['osname'])
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try:
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if verbose:
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# fallback to external command 'docker build' as there is
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# no way to follow the build progress with API.
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print('Building image {} ...'.format(tag))
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cmd = ['docker', 'build']
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if update:
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cmd.append('--no-cache')
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cmd += ['-t', tag, '-']
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ret = subprocess.run(cmd,
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input='\n'.join(dockerfile).encode('utf-8'),
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stderr=subprocess.STDOUT, check=True)
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image = client.images.get(tag)
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else:
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with io.BytesIO('\n'.join(dockerfile).encode('utf-8')) as fd:
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image, logs = client.images.build(tag=tag, fileobj=fd, rm=True, nocache=update)
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if verbose:
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print('Built image {} / {}'.format(image.tags[0], image.short_id))
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for l in logs:
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print(l.get('stream', '').strip('\n'))
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except (docker.errors.BuildError, KeyboardInterrupt, subprocess.CalledProcessError, docker.errors.ImageNotFound) as e:
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print('Build Error: {}'.format(e))
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print()
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print('with dockerfile:')
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for line in dockerfile:
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print(' {}'.format(line))
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sys.exit(1)
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return image
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def create_container(client, image, conf, command, verbose):
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volumes = {}
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environment = {}
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for mnt in conf['binds']:
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mnt = mnt.split(':')
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if mnt[-1] in ['ro','rw']:
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mode = mnt[-1]
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del mnt[-1]
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else:
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mode = 'rw'
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mnt = mnt[:2]
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bind = mnt[-1]
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vol = mnt[0]
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volumes[vol] = { 'bind': bind, 'mode': mode }
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hostname = platform.node()
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for v in conf['environment']:
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e = v.split('=')
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if len(e) == 1:
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e.append(os.getenv(e[0]))
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environment[e[0]] = e[1]
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#environment['debian_chroot']=conf['osname']
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user='{}:{}'.format(os.getuid(), os.getgid())
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pwd=os.getcwd()
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container = client.containers.create(image, command,
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detach=False, stdin_open=True, tty=True,
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auto_remove=True,
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hostname=hostname,
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volumes=volumes,
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environment=environment,
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user=user,
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network_mode='host',
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working_dir=pwd
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)
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return container
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def run_container(client, container):
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try:
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dockerpty.start(client.api, container.id)
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container.reload() # to update attrs fields
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except docker.errors.APIError as e:
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print('ERROR: {}'.format(e))
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sys.exit(1)
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ret = container.attrs['State']['ExitCode']
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return ret
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def main():
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osname = None
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run_name = os.path.basename(os.sys.argv[0])
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if run_name == 'runos':
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pass
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elif run_name.startswith('runon'):
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m = re.match('runon[-_]?(.*)$', run_name)
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if m:
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osname = m[1]
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else:
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osname = run_name
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parser = argparse.ArgumentParser()
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if osname:
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parser.description = 'run commands on "{}" distribution'.format(osname)
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else:
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parser.description = 'run commands on any distribution'
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parser.add_argument('osname',
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help = 'distribution name to run on, '
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'"list" to dump all available distributions')
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parser.epilog = '(c) 2021 Gilles Grandou <gilles@grandou.net>'
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parser.add_argument('-v', '--verbose', action='store_true',
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help='verbose output')
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parser.add_argument('-c', '--config',
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help='specify config file')
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parser.add_argument('-u', '--update', action='store_true',
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help='force image update')
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parser.add_argument('-l', '--link', action='store_true',
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help='create a symlink to call "osname" as a shortcut to "runon osname"')
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parser.add_argument('command', nargs='*', default=None,
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help = 'command to execute')
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args = parser.parse_args()
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if osname:
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args.osname = osname
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if args.osname == 'list':
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osnames = list_osnames(args.config)
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print('Available distributions:')
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for o in sorted(osnames, key=natural_sortkey):
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print(' {}'.format(o))
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print()
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if args.link:
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for o in osnames:
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make_osname_link(sys.argv[0], args.osname)
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return 0
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client = docker.from_env()
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conf = load_config(args.config, args.osname)
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if args.link:
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make_osname_link(sys.argv[0], args.osname)
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image = build_image(client, conf, args.update, args.verbose)
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container = create_container(client, image, conf, args.command, args.verbose)
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ret = run_container(client, container)
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return ret
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if __name__ == '__main__':
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ret = main()
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sys.exit(ret)
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110
old/runon.conf
110
old/runon.conf
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@ -1,110 +0,0 @@
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[DEFAULT]
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environment =
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HOME
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USER
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DISPLAY
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TERM
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debian_chroot=${osname}
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binds =
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/etc/timezone:ro
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/etc/localtime:ro
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/etc/passwd:ro
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/etc/group:ro
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/etc/shadow:ro
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/tmp/.X11-unix:ro
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/home/${user}
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[centos7]
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dockerfile =
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FROM centos:7
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RUN yum install sudo -y
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RUN echo "Defaults lecture = never" >> /etc/sudoers
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RUN echo "ALL ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
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pkginstall = RUN yum install {} -y
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packages = ksh csh xterm xorg-x11-apps xkeyboard-config git glibc-devel gtk2 gtk3 alsa-lib python2 python3 bash-completion redhat-lsb-core environment-modules
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[centos8]
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dockerfile =
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FROM centos:8
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RUN sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
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RUN sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
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RUN yum install dnf-plugins-core -y
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RUN yum config-manager --set-enabled powertools -y
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RUN yum install sudo -y
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RUN echo "Defaults lecture = never" >> /etc/sudoers
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RUN echo "ALL ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
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pkginstall = RUN yum install {} -y
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packages = ksh csh xterm xorg-x11-apps xkeyboard-config git glibc-devel gtk2 gtk3 alsa-lib python2 python3 bash-completion environment-modules
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[debian8]
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dockerfile =
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FROM debian:8
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ARG DEBIAN_FRONTEND=noninteractive
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RUN apt-get update
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RUN apt-get -y install apt-utils
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RUN apt-get -y upgrade
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RUN apt-get -y install sudo
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RUN echo "Defaults lecture = never" >> /etc/sudoers
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RUN echo "ALL ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
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pkginstall = RUN apt-get -y install {}
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packages = ksh csh xterm x11-apps build-essential git libgtk2.0 libgtk-3-0 bash-completion tcl environment-modules
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[debian9]
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dockerfile =
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FROM debian:9
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ARG DEBIAN_FRONTEND=noninteractive
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RUN apt-get update
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RUN apt-get -y install apt-utils
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RUN apt-get -y upgrade
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RUN apt-get -y install sudo
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RUN echo "Defaults lecture = never" >> /etc/sudoers
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RUN echo "ALL ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
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pkginstall = RUN apt-get -y install {}
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packages = ksh csh xterm x11-apps build-essential git libgtk2.0 libgtk-3-0 bash-completion tcl environment-modules
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[debian10]
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dockerfile =
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FROM debian:10
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ARG DEBIAN_FRONTEND=noninteractive
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RUN apt-get update
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RUN apt-get -y install apt-utils
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RUN apt-get -y upgrade
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RUN apt-get -y install sudo
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RUN echo "Defaults lecture = never" >> /etc/sudoers
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RUN echo "ALL ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
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pkginstall = RUN apt-get -y install {}
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packages = ksh csh xterm x11-apps build-essential git libgtk2.0 libgtk-3-0 bash-completion tcl environment-modules
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[debian11]
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dockerfile =
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FROM debian:bullseye
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ARG DEBIAN_FRONTEND=noninteractive
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RUN apt-get update
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RUN apt-get -y install apt-utils
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RUN apt-get -y install sudo
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RUN echo "Defaults lecture = never" >> /etc/sudoers
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pkginstall = RUN apt-get -y install {}
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packages = ksh csh xterm x11-apps build-essential git libgtk2.0 libgtk-3-0 bash-completion tcl environment-modules
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[ubuntu20.04]
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dockerfile =
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FROM ubuntu:20.04
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ARG DEBIAN_FRONTEND=noninteractive
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RUN apt-get update
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RUN apt-get -y install apt-utils
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RUN apt-get -y install sudo
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pkginstall = RUN apt-get -y install {}
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packages = ksh csh xterm x11-apps build-essential git libgtk2.0 libgtk-3.0 bash-completion tcl environment-modules
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[ubuntu22.04]
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dockerfile =
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FROM ubuntu:22.04
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ARG DEBIAN_FRONTEND=noninteractive
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RUN apt-get update
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RUN apt-get -y install apt-utils
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RUN apt-get -y install sudo
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pkginstall = RUN apt-get -y install {}
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packages = ksh csh xterm x11-apps build-essential git libgtk2.0 libgtk-3.0 bash-completion tcl environment-modules
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