debian-koji/util/koji-sidetag-cleanup
Yu Ming Zhu f41b8c70a7 Bandit [B411]: use defusedxml to prevent remote XML attacks
- putting xmlrpc stuff into koji.xmlrpcplus
- adding koji.xmlrpcplus.xmlrpc_server to refer
- replacing refs of original xmlrpc.client.dumps to enhanced
  koji.xmlrpcplus.dumps

fixes: #3964
2024-02-02 09:08:18 +01:00

291 lines
10 KiB
Python
Executable file

#!/usr/bin/python3
import sys
import configparser
import datetime
import optparse
import os
import koji
def error(msg=None, code=1):
if msg:
msg = "ERROR: %s\n" % msg
sys.stderr.write(msg)
sys.stderr.flush()
sys.exit(code)
def warn(msg):
msg = "WARNING: %s\n" % msg
sys.stderr.write(msg)
sys.stderr.flush()
def get_options():
"""process options from command line and config file"""
parser = optparse.OptionParser(usage="%prog [options]")
parser.add_option("-c", "--config", metavar="FILE", help="use alternate config file")
parser.add_option("-s", "--server", help="url of koji XMLRPC server")
parser.add_option("--keytab", help="specify a Kerberos keytab to use")
parser.add_option("--principal", help="specify a Kerberos principal to use")
parser.add_option("--runas", metavar="USER",
help="run as the specified user (requires special privileges)")
parser.add_option("--user", help="specify user")
parser.add_option("--password", help="specify password")
parser.add_option("--noauth", action="store_true", default=False, help="do not authenticate")
parser.add_option("--cert", help="Client SSL certificate file for authentication")
parser.add_option("--serverca", help="CA cert file that issued the hub certificate")
parser.add_option("-d", "--debug", action="store_true", default=False,
help="show debug output")
parser.add_option("--debug-xmlrpc", action="store_true", default=False,
help="show xmlrpc debug output")
parser.add_option("-t", "--test", action="store_true", help="test mode, no tag is deleted")
parser.add_option("--no-empty", action="store_false", dest="clean_empty", default=True,
help="don't run emptiness check")
parser.add_option("--empty-delay", action="store", metavar="DAYS", default=1, type=int,
help="delete empty tags older than DAYS")
parser.add_option("--no-old", action="store_false", dest="clean_old", default=True,
help="don't run old check")
parser.add_option("--old-delay", action="store", metavar="DAYS", default=30, type=int,
help="delete older tags than timestamp")
parser.add_option("--ignore-tags", metavar="PATTERN", action="append",
help="Ignore tags matching PATTERN when pruning")
parser.add_option("--no-inactive", action="store_false", dest="clean_inactive", default=True,
help="don't run inactive check")
parser.add_option("--inactive-delay", action="store", metavar="DAYS", default=10, type=int,
help="delete tags inactive for DAYS (no build was un/tagged there)")
# parse once to get the config file
(options, args) = parser.parse_args()
defaults = parser.get_default_values()
config = configparser.ConfigParser()
cf = getattr(options, 'config', None)
if cf:
if not os.access(cf, os.F_OK):
parser.error("No such file: %s" % cf)
assert False # pragma: no cover
else:
cf = '/etc/koji-gc/koji-gc.conf'
if not os.access(cf, os.F_OK):
cf = None
if not cf:
print("no config file")
config = None
else:
config.read(cf)
# List of values read from config file to update default parser values
cfgmap = [
# name, alias, type
['keytab', None, 'string'],
['principal', None, 'string'],
['runas', None, 'string'],
['user', None, 'string'],
['password', None, 'string'],
['noauth', None, 'boolean'],
['cert', None, 'string'],
['serverca', None, 'string'],
['server', None, 'string'],
['no_ssl_verify', None, 'boolean'],
]
for name, alias, type in cfgmap:
if alias is None:
alias = ('main', name)
if config.has_option(*alias):
if options.debug:
print("Using option %s from config file" % (alias,))
if type == 'integer':
setattr(defaults, name, config.getint(*alias))
elif type == 'boolean':
setattr(defaults, name, config.getboolean(*alias))
else:
setattr(defaults, name, config.get(*alias))
# parse again with defaults
(options, args) = parser.parse_args(values=defaults)
options.config = config
# special handling for cert defaults
cert_defaults = {
'cert': '/etc/koji-gc/client.crt',
'serverca': '/etc/koji-gc/serverca.crt',
}
for name in cert_defaults:
if getattr(options, name, None) is None:
fn = cert_defaults[name]
if os.path.exists(fn):
setattr(options, name, fn)
return options, args
def ensure_connection(session):
try:
ret = session.getAPIVersion()
except koji.xmlrpcplus.xmlrpc_client.ProtocolError:
error("Unable to connect to server")
if ret != koji.API_VERSION:
warn("The server is at API version %d and the client is at %d" % (ret, koji.API_VERSION))
def activate_session(session):
"""Test and login the session is applicable"""
global options
if options.noauth:
# skip authentication
pass
elif options.cert is not None and os.path.isfile(options.cert):
# authenticate using SSL client cert
session.ssl_login(options.cert, None, options.serverca, proxyuser=options.runas)
elif options.user:
# authenticate using user/password
session.login()
elif options.keytab and options.principal:
try:
if options.keytab and options.principal:
if not isinstance(options.keytab, str):
raise koji.ParameterError('Invalid type of keytab: %s' % type(options.keytab))
if not isinstance(options.principal, str):
raise koji.ParameterError('Invalid type of principal: %s'
% type(options.principal))
session.gssapi_login(
principal=options.principal,
keytab=options.keytab,
proxyuser=options.runas)
else:
session.gssapi_login(proxyuser=options.runas)
except Exception as e:
error("GSSAPI authentication failed: %s (%s)" % (e.args[1], e.args[0]))
if not options.noauth and not session.logged_in:
error("unable to log in, no authentication methods available")
ensure_connection(session)
if options.debug:
print("successfully connected to hub")
def get_all():
tags = session.listSideTags()
sidetags = []
session.multicall = True
for tag in tags:
session.getTag(tag['id'])
for tag in session.multiCall():
sidetags.append(tag[0])
return sidetags
def delete_tags(tags):
session.multicall = True
for tag in tags:
session.removeSideTag(tag['id'])
session.multiCall()
def clean_empty(tags):
# delete empty tags which are older than --empty-delay
if not options.clean_empty:
return tags
passed = []
candidates = []
deleted = []
session.multicall = True
for tag in tags:
session.listTagged(tag['id'])
for tag, tagged in zip(tags, session.multiCall()):
if len(tagged[0]) == 0:
candidates.append(tag)
else:
passed.append(tag)
# check age
d = datetime.datetime.now()
now_ts = d.timestamp()
old_ts = (d - datetime.timedelta(options.empty_delay)).timestamp()
session.multicall = True
for tag in candidates:
session.queryHistory(['tag_config'], tag=tag['id'])
for tag, history in zip(candidates, session.multiCall()):
create_ts = history[0]['tag_config'][0]['create_ts']
if create_ts < old_ts:
diff = datetime.timedelta(seconds=now_ts - create_ts)
print("[empty] %s (%s)" % (tag['name'], diff))
if not options.test:
deleted.append(tag)
else:
passed.append(tag)
delete_tags(deleted)
return passed
def clean_old(tags):
# delete tags that are older that --old-delay
if not options.clean_old:
return tags
passed = []
deleted = []
d = datetime.datetime.now()
now_ts = d.timestamp()
old_ts = (d - datetime.timedelta(options.old_delay)).timestamp()
session.multicall = True
for tag in tags:
session.queryHistory(['tag_config'], tag=tag['id'])
for tag, history in zip(tags, session.multiCall()):
create_ts = history[0]['tag_config'][0]['create_ts']
if create_ts < old_ts:
diff = datetime.timedelta(seconds=now_ts - create_ts)
print(f"[old] {tag['name']} ({diff})")
if not options.test:
deleted.append(tag)
else:
passed.append(tag)
delete_tags(deleted)
return passed
def clean_inactive(tags):
"""Check latest tagged build against inactive_delay"""
if not options.clean_inactive:
return tags
passed = []
deleted = []
d = datetime.datetime.now()
now_ts = d.timestamp()
old_ts = (d - datetime.timedelta(options.inactive_delay)).timestamp()
session.multicall = True
for tag in tags:
session.queryHistory(['tag_listing'], tag=tag['id'])
for tag, history in zip(tags, session.multiCall()):
create_ts = 0
for h in history[0]['tag_listing']:
if h['create_ts'] > create_ts:
create_ts = h['create_ts']
# if there was never tagged any build it should be subject to clean_empty policy
# we will skip this case here (create_ts = 0)
if create_ts and create_ts < old_ts:
diff = datetime.timedelta(seconds=now_ts - create_ts)
print(f"[inactive] {tag['name']} ({diff})")
if not options.test:
deleted.append(tag)
else:
passed.append(tag)
delete_tags(deleted)
return passed
def main(args):
activate_session(session)
sidetags = get_all()
sidetags = clean_empty(sidetags)
sidetags = clean_old(sidetags)
sidetags = clean_inactive(sidetags)
if __name__ == "__main__":
options, args = get_options()
session_opts = koji.grab_session_options(options)
session = koji.ClientSession(options.server, session_opts)
main(args)