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run 'runon list' to list all available distributions

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Gilles Grandou 2021-05-01 16:25:52 +02:00
parent 679b94b11e
commit 96418fbbb5
1 changed files with 23 additions and 2 deletions
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runon
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@ -16,7 +16,11 @@ import subprocess
from pprint import pprint from pprint import pprint
def load_config(user_confname, osname): def natural_sortkey(string):
tokenize = re.compile(r'(\d+)|(\D+)').findall
return tuple(int(num) if num else alpha for num, alpha in tokenize(string))
def read_ini(user_confname, osname=''):
ini_list = [ 'runon.conf', '.runon.conf', os.path.join(xdg.BaseDirectory.xdg_config_home, 'runon', 'runon.conf'), '/etc/runon/runon.conf' ] ini_list = [ 'runon.conf', '.runon.conf', os.path.join(xdg.BaseDirectory.xdg_config_home, 'runon', 'runon.conf'), '/etc/runon/runon.conf' ]
defaults = { defaults = {
'osname': osname, 'osname': osname,
@ -26,6 +30,14 @@ def load_config(user_confname, osname):
ini_list.insert(0, user_confname) ini_list.insert(0, user_confname)
ini = configparser.ConfigParser(defaults=defaults, interpolation=configparser.ExtendedInterpolation()) ini = configparser.ConfigParser(defaults=defaults, interpolation=configparser.ExtendedInterpolation())
ini.read(ini_list) ini.read(ini_list)
return ini
def list_osnames(user_confname):
ini = read_ini(user_confname)
return ini.sections()
def load_config(user_confname, osname):
ini = read_ini(user_confname, osname)
if not ini.has_section(osname): if not ini.has_section(osname):
print('ERROR: cannot find configuration for distribution "{}"'.format(osname)) print('ERROR: cannot find configuration for distribution "{}"'.format(osname))
sys.exit(1) sys.exit(1)
@ -153,7 +165,8 @@ def main():
else: else:
parser.description = 'run commands on any distribution' parser.description = 'run commands on any distribution'
parser.add_argument('osname', parser.add_argument('osname',
help = 'distribution name to run on') help = 'distribution name to run on, '
'"list" to dump all available distributions')
parser.epilog = '(c) 2021 Gilles Grandou <gilles@grandou.net>' parser.epilog = '(c) 2021 Gilles Grandou <gilles@grandou.net>'
parser.add_argument('-v', '--verbose', action='store_true', parser.add_argument('-v', '--verbose', action='store_true',
@ -169,6 +182,14 @@ def main():
if osname: if osname:
args.osname = osname args.osname = osname
if args.osname == 'list':
osnames = list_osnames(args.config)
print('Available distributions:')
for o in sorted(osnames, key=natural_sortkey):
print(' {}'.format(o))
print()
return 0
client = docker.from_env() client = docker.from_env()
conf = load_config(args.config, args.osname) conf = load_config(args.config, args.osname)
image = build_image(client, conf, args.update, args.verbose) image = build_image(client, conf, args.update, args.verbose)