lucene/dev-tools/scripts/poll-mirrors.py

154 lines
4.3 KiB
Python

#!/usr/bin/python
#
# vim: softtabstop=2 shiftwidth=2 expandtab
#
# Python port of poll-mirrors.pl
#
# This script is designed to poll download sites after posting a release
# and print out notice as each becomes available. The RM can use this
# script to delay the release announcement until the release can be
# downloaded.
#
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import argparse
import datetime
import ftplib
import re
import sys
import time
try:
from urllib.parse import urlparse
except:
from urlparse import urlparse
try:
import http.client as http
except ImportError:
import httplib as http
def p(s):
sys.stdout.write(s)
sys.stdout.flush()
def mirror_contains_file(url):
url = urlparse(url)
if url.scheme == 'http':
return http_file_exists(url)
elif url.scheme == 'ftp':
return ftp_file_exists(url)
def http_file_exists(url):
exists = False
try:
conn = http.HTTPConnection(url.netloc)
conn.request('HEAD', url.path)
response = conn.getresponse()
exists = response.status == 200
except:
pass
return exists
def ftp_file_exists(url):
listing = []
try:
conn = ftplib.FTP(url.netloc)
conn.login()
listing = conn.nlst(url.path)
conn.quit()
except Exception as e:
pass
return len(listing) > 0
def check_url_list(lst):
ret = []
for url in lst:
if mirror_contains_file(url):
p('.')
else:
p('X')
ret.append(url)
return ret
parser = argparse.ArgumentParser(description='Checks that all Lucene mirrors contain a copy of a release')
parser.add_argument('-version', '-v', help='Lucene version to check', required=True)
parser.add_argument('-interval', '-i', help='seconds to wait to query again pending mirrors', type=int, default=300)
args = parser.parse_args()
try:
conn = http.HTTPConnection('www.apache.org')
conn.request('GET', '/mirrors/')
response = conn.getresponse()
html = response.read()
except Exception as e:
p('Unable to fetch the Apache mirrors list!\n')
sys.exit(1)
apache_path = 'lucene/java/{}/changes/Changes.html'.format(args.version);
maven_url = 'http://repo1.maven.org/maven2/' \
'org/apache/lucene/lucene-core/{0}/lucene-core-{0}.pom.asc'.format(args.version)
maven_available = False
pending_mirrors = []
for match in re.finditer('<TR>(.*?)</TR>', str(html), re.MULTILINE | re.IGNORECASE | re.DOTALL):
row = match.group(1)
if not '<TD>ok</TD>' in row:
# skip bad mirrors
continue
match = re.search('<A\s+HREF\s*=\s*"([^"]+)"\s*>', row, re.MULTILINE | re.IGNORECASE)
if match:
pending_mirrors.append(match.group(1) + apache_path)
total_mirrors = len(pending_mirrors)
while True:
p('\n' + str(datetime.datetime.now()))
p('\nPolling {} Apache Mirrors'.format(len(pending_mirrors)))
if not maven_available:
p(' and Maven Central')
p('...\n')
if not maven_available:
maven_available = mirror_contains_file(maven_url)
start = time.time()
pending_mirrors = check_url_list(pending_mirrors)
stop = time.time()
remaining = args.interval - (stop - start)
available_mirrors = total_mirrors - len(pending_mirrors)
p('\n\n{} is{}downloadable from Maven Central\n'.format(args.version, maven_available and ' ' or ' not '))
p('{} is downloadable from {}/{} Apache Mirrors ({:.2f}%)\n'.format(args.version, available_mirrors,
total_mirrors,
available_mirrors * 100 / total_mirrors))
if len(pending_mirrors) == 0:
break
if remaining > 0:
p('Sleeping for {} seconds...\n'.format(remaining))
time.sleep(remaining)