6727e9dbd9
This commit changes APIs and requires and update of all zephyr mirroring bots to deploy properly. (imported from commit 2672d2d07269379f7a865644aaeb6796d54183e1)
749 lines
30 KiB
Python
Executable file
749 lines
30 KiB
Python
Executable file
#!/usr/bin/python
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# Copyright (C) 2012 Humbug, Inc. All rights reserved.
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import sys
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import traceback
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import simplejson
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import re
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import time
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import subprocess
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import optparse
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import os
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import datetime
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import textwrap
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import signal
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import logging
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DEFAULT_SITE = "https://humbughq.com"
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def to_humbug_username(zephyr_username):
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if "@" in zephyr_username:
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(user, realm) = zephyr_username.split("@")
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else:
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(user, realm) = (zephyr_username, "ATHENA.MIT.EDU")
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if realm.upper() == "ATHENA.MIT.EDU":
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return user.lower() + "@mit.edu"
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return user.lower() + "|" + realm.upper() + "@mit.edu"
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def to_zephyr_username(humbug_username):
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(user, realm) = humbug_username.split("@")
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if "|" not in user:
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return user.lower() + "@ATHENA.MIT.EDU"
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match_user = re.match(r'([a-zA-Z0-9_]+)\|(.+)', user)
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if not match_user:
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raise Exception("Could not parse Zephyr realm for cross-realm user %s" % (humbug_username,))
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return match_user.group(1).lower() + "@" + match_user.group(2).upper()
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# Checks whether the pair of adjacent lines would have been
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# linewrapped together, had they been intended to be parts of the same
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# paragraph. Our check is whether if you move the first word on the
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# 2nd line onto the first line, the resulting line is either (1)
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# significantly shorter than the following line (which, if they were
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# in the same paragraph, should have been wrapped in a way consistent
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# with how the previous line was wrapped) or (2) shorter than 60
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# characters (our assumed minimum linewrapping threshhold for Zephyr)
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# or (3) the first word of the next line is longer than this entire
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# line.
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def different_paragraph(line, next_line):
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words = next_line.split()
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return (len(line + " " + words[0]) < len(next_line) * 0.8 or
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len(line + " " + words[0]) < 50 or
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len(line) < len(words[0]))
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# Linewrapping algorithm based on:
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# http://gcbenison.wordpress.com/2011/07/03/a-program-to-intelligently-remove-carriage-returns-so-you-can-paste-text-without-having-it-look-awful/
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def unwrap_lines(body):
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lines = body.split("\n")
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result = ""
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previous_line = lines[0]
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for line in lines[1:]:
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line = line.rstrip()
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if (re.match(r'^\W', line, flags=re.UNICODE)
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and re.match(r'^\W', previous_line, flags=re.UNICODE)):
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result += previous_line + "\n"
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elif (line == "" or
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previous_line == "" or
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re.match(r'^\W', line, flags=re.UNICODE) or
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different_paragraph(previous_line, line)):
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# Use 2 newlines to separate sections so that we
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# trigger proper Markdown processing on things like
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# bulleted lists
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result += previous_line + "\n\n"
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else:
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result += previous_line + " "
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previous_line = line
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result += previous_line
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return result
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def send_humbug(zeph):
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message = {}
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if options.forward_class_messages:
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message["forged"] = "yes"
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message['type'] = zeph['type']
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message['time'] = zeph['time']
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message['sender'] = to_humbug_username(zeph['sender'])
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if "subject" in zeph:
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# Truncate the subject to the current limit in Humbug. No
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# need to do this for stream names, since we're only
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# subscribed to valid stream names.
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message["subject"] = zeph["subject"][:60]
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if zeph['type'] == 'stream':
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# Forward messages sent to -c foo -i bar to stream bar subject "instance"
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if zeph["stream"] == "message":
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message['to'] = zeph['subject'].lower()
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message['subject'] = "instance %s" % (zeph['subject'],)
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elif zeph["stream"] == "tabbott-test5":
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message['to'] = zeph['subject'].lower()
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message['subject'] = "test instance %s" % (zeph['subject'],)
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else:
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message["to"] = zeph["stream"]
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else:
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message["to"] = zeph["recipient"]
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message['content'] = unwrap_lines(zeph['content'])
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if options.test_mode and options.site == DEFAULT_SITE:
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logger.debug("Message is: %s" % (str(message),))
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return {'result': "success"}
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return humbug_client.send_message(message)
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def send_error_humbug(error_msg):
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humbug = {"type": "private",
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"sender": options.user + "@mit.edu",
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"to": options.user + "@mit.edu",
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"content": error_msg,
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}
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humbug_client.send_message(humbug)
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current_zephyr_subs = set()
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def zephyr_bulk_subscribe(subs):
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try:
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zephyr._z.subAll(subs)
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except IOError:
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# Since we haven't added the subscription to
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# current_zephyr_subs yet, we can just return (so that we'll
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# continue processing normal messages) and we'll end up
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# retrying the next time the bot checks its subscriptions are
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# up to date.
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logger.exception("Error subscribing to streams (will retry automatically):")
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logging.debug("Streams were: %s" % ((cls for cls, instance, recipient in subs),))
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return
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for (cls, instance, recipient) in subs:
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current_zephyr_subs.add(cls)
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def update_subscriptions_from_humbug():
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try:
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res = humbug_client.get_public_streams()
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if res.get("result") == "success":
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streams = res["streams"]
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else:
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logger.error("Error getting public streams:\n%s" % res)
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return
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except:
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logger.exception("Error getting public streams:")
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return
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streams_to_subscribe = []
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for stream in streams:
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if stream in current_zephyr_subs:
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continue
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streams_to_subscribe.append((stream.encode("utf-8"), "*", "*"))
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if len(streams_to_subscribe) > 0:
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zephyr_bulk_subscribe(streams_to_subscribe)
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def maybe_restart_mirroring_script():
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if os.stat(os.path.join(options.root_path, "stamps", "restart_stamp")).st_mtime > start_time or \
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((options.user == "tabbott" or options.user == "tabbott/extra") and
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os.stat(os.path.join(options.root_path, "stamps", "tabbott_stamp")).st_mtime > start_time):
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logger.warning("")
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logger.warning("zephyr mirroring script has been updated; restarting...")
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os.kill(child_pid, signal.SIGTERM)
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while True:
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try:
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if bot_name == "extra_mirror.py":
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os.execvp(os.path.join(options.root_path, "extra_mirror.py"), sys.argv)
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os.execvp(os.path.join(options.root_path, "user_root", "zephyr_mirror.py"), sys.argv)
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except:
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logger.exception("Error restarting mirroring script; trying again... Traceback:")
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time.sleep(1)
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def process_loop(log):
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sleep_count = 0
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sleep_time = 0.1
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while True:
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notice = zephyr.receive(block=False)
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if notice is not None:
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try:
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process_notice(notice, log)
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except Exception:
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logger.exception("Error relaying zephyr:")
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time.sleep(2)
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maybe_restart_mirroring_script()
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time.sleep(sleep_time)
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sleep_count += sleep_time
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if sleep_count > 15:
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sleep_count = 0
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if options.forward_class_messages:
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# Ask the Humbug server about any new classes to subscribe to
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update_subscriptions_from_humbug()
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def parse_zephyr_body(zephyr_data):
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try:
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(zsig, body) = zephyr_data.split("\x00", 1)
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except ValueError:
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(zsig, body) = ("", zephyr_data)
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return (zsig, body)
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def process_notice(notice, log):
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(zsig, body) = parse_zephyr_body(notice.message)
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is_personal = False
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is_huddle = False
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if notice.opcode == "PING":
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# skip PING messages
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return
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if zsig.endswith("@(@color(blue))"):
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logger.debug("Skipping message we got from Humbug!")
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return
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zephyr_class = notice.cls.lower()
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if (zephyr_class == "message" and notice.recipient != ""):
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is_personal = True
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if body.startswith("CC:"):
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is_huddle = True
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# Map "CC: sipbtest espuser" => "starnine@mit.edu,espuser@mit.edu"
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huddle_recipients = [to_humbug_username(x.strip()) for x in
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body.split("\n")[0][4:].split()]
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if notice.sender not in huddle_recipients:
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huddle_recipients.append(to_humbug_username(notice.sender))
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body = body.split("\n", 1)[1]
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if (zephyr_class == "mail" and notice.instance.lower() == "inbox"):
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is_personal = True
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# Drop messages not to the listed subscriptions
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if (zephyr_class not in current_zephyr_subs) and not \
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(is_personal and options.forward_personals):
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logger.debug("Skipping ... %s/%s/%s" %
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(zephyr_class, notice.instance, is_personal))
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return
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zeph = { 'time' : str(notice.time),
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'sender' : notice.sender,
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'zsig' : zsig, # logged here but not used by app
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'content' : body }
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if is_huddle:
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zeph['type'] = 'private'
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zeph['recipient'] = huddle_recipients
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elif is_personal:
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zeph['type'] = 'private'
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zeph['recipient'] = to_humbug_username(notice.recipient)
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else:
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zeph['type'] = 'stream'
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zeph['stream'] = zephyr_class
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if notice.instance.strip() != "":
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zeph['subject'] = notice.instance
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else:
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zeph["subject"] = '(instance "%s")' % (notice.instance,)
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# Add instances in for instanced personals
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if zeph['type'] == "private" and notice.instance.lower() != "personal":
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zeph["content"] = "[-i %s]" % (notice.instance,) + "\n" + zeph["content"]
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zeph = decode_unicode_byte_strings(zeph)
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logger.info("Received a message on %s/%s from %s..." %
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(zephyr_class, notice.instance, notice.sender))
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if log is not None:
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log.write(simplejson.dumps(zeph) + '\n')
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log.flush()
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if os.fork() == 0:
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# Actually send the message in a child process, to avoid blocking.
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res = send_humbug(zeph)
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if res.get("result") != "success":
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logger.error("Error relaying zephyr:\n%s\n%s" % (zeph, res))
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sys.exit(0)
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def decode_unicode_byte_strings(zeph):
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for field in zeph.keys():
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if isinstance(zeph[field], str):
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try:
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decoded = zeph[field].decode("utf-8")
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except:
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decoded = zeph[field].decode("iso-8859-1")
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zeph[field] = decoded
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return zeph
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def zephyr_subscribe_autoretry(sub):
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while True:
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try:
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zephyr.Subscriptions().add(sub)
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return
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except IOError:
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# Probably a SERVNAK from the zephyr server, but print the
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# traceback just in case it's something else
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logger.exception("Error subscribing to personals (retrying). Traceback:")
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time.sleep(1)
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def zephyr_to_humbug(options):
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if options.forward_class_messages:
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update_subscriptions_from_humbug()
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if options.forward_personals:
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# Subscribe to personals; we really can't operate without
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# those subscriptions, so just retry until it works.
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zephyr_subscribe_autoretry(("message", "*", "%me%"))
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if subscribed_to_mail_messages():
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zephyr_subscribe_autoretry(("mail", "inbox", "%me%"))
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if options.resend_log_path is not None:
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with open(options.resend_log_path, 'r') as log:
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for ln in log:
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try:
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zeph = simplejson.loads(ln)
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# New messages added to the log shouldn't have any
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# elements of type str (they should already all be
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# unicode), but older messages in the log are
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# still of type str, so convert them before we
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# send the message
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zeph = decode_unicode_byte_strings(zeph)
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# Handle importing older zephyrs in the logs
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# where it isn't called a "stream" yet
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if "class" in zeph:
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zeph["stream"] = zeph["class"]
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if "instance" in zeph:
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zeph["subject"] = zeph["instance"]
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logger.info("sending saved message to %s from %s..." %
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(zeph.get('stream', zeph.get('recipient')),
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zeph['sender']))
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send_humbug(zeph)
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except:
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logger.exception("Could not send saved zephyr:")
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time.sleep(2)
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logger.info("Starting receive loop.")
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if options.log_path is not None:
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with open(options.log_path, 'a') as log:
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process_loop(log)
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else:
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process_loop(None)
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def send_zephyr(zwrite_args, content):
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p = subprocess.Popen(zwrite_args, stdin=subprocess.PIPE,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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stdout, stderr = p.communicate(input=content.encode("utf-8"))
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if p.returncode:
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print "zwrite command '%s' failed with return code %d:" % (
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" ".join(zwrite_args), p.returncode,)
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print stdout
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print stderr
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return p.returncode
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def send_authed_zephyr(zwrite_args, content):
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return send_zephyr(zwrite_args, content)
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def send_unauthed_zephyr(zwrite_args, content):
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return send_zephyr(zwrite_args + ["-d"], content)
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def forward_to_zephyr(message):
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zsig = u"%s@(@color(blue))" % (zsig_fullname,)
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if ' dot ' in zsig:
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logger.error("Error computing zsig for %s!" % (message["sender_email"],))
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return
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wrapped_content = "\n".join("\n".join(textwrap.wrap(line))
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for line in message["content"].split("\n"))
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logger.info("Forwarding message from %s" % (message["sender_email"],))
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if message['type'] == "stream":
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zephyr_class = message["display_recipient"]
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instance = message["subject"]
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match_whitespace_instance = re.match(r'^\(instance "(\s*)"\)$', instance)
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if match_whitespace_instance:
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# Forward messages sent to '(instance "WHITESPACE")' back to the
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# appropriate WHITESPACE instance for bidirectional mirroring
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instance = match_whitespace_instance.group(1)
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elif (instance == "instance %s" % (zephyr_class,) or
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instance == "test instance %s" % (zephyr_class,)):
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# Forward messages to e.g. -c -i white-magic back from the
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# place we forward them to
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if instance.startswith("test"):
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instance = zephyr_class
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zephyr_class = "tabbott-test5"
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else:
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instance = zephyr_class
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zephyr_class = "message"
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zwrite_args = ["zwrite", "-s", zsig, "-c", zephyr_class, "-i", instance]
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elif message['type'] == "personal":
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recipient = to_zephyr_username(message["display_recipient"]["email"])
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zwrite_args = ["zwrite", "-s", zsig, recipient]
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elif message['type'] == "huddle":
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zwrite_args = ["zwrite", "-s", zsig, "-C"]
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zwrite_args.extend([to_zephyr_username(user["email"]).replace("@ATHENA.MIT.EDU", "")
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for user in message["display_recipient"]])
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if options.test_mode:
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logger.debug("Would have forwarded: %s\n%s" %
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(zwrite_args, wrapped_content.encode("utf-8")))
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return
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if send_authed_zephyr(zwrite_args, wrapped_content) != 0:
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# If your tickets have expired, Humbug users got your zephyr but MIT
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# zephyr users didn't. Try to re-send unauthed, and send a Humbug
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# notifying the user that they should check their tickets/mirror.
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error_msg = """Hi there! This is an automated message from Humbug.
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%s
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If you have any questions, please be in touch through the Feedback tab or at \
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support@humbughq.com."""
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if send_unauthed_zephyr(zwrite_args, wrapped_content) != 0:
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error_msg_detail = """\
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Your Humbug-Zephyr mirror bot was unable to forward that last message \
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from Humbug to Zephyr. That means that while Humbug users (like you) \
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received it, Zephyr users did not.
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Please check that /mit/tabbott/humbug/zephyr_mirror.py is still \
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running and that you have valid Kerberos tickets, and then you can \
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resend your message if you would still like it to be mirrored.
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"""
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else:
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error_msg_detail = """\
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Your last message was forwarded from Humbug to Zephyr unauthenticated, \
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because your Kerberos tickets have expired. It was sent successfully, \
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but please renew your Kerberos tickets in the screen session where you \
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are running the Humbug-Zephyr mirroring bot, so we can send \
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authenticated Zephyr messages for you again."""
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send_error_humbug(error_msg % (error_msg_detail,))
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def maybe_forward_to_zephyr(message):
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if (message["sender_email"] == options.user + "@mit.edu"):
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if not ((message["type"] == "stream") or
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(message["type"] == "personal" and
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message["display_recipient"]["email"].lower().endswith("mit.edu")) or
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(message["type"] == "huddle" and
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False not in [u["email"].lower().endswith("mit.edu") for u in
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message["display_recipient"]])):
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# Don't try forward personals/huddles with non-MIT users
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# to MIT Zephyr.
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return
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timestamp_now = datetime.datetime.now().strftime("%s")
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if float(message["timestamp"]) < float(timestamp_now) - 15:
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logger.warning("Skipping out of order message: %s < %s" %
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(message["timestamp"], timestamp_now))
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return
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try:
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forward_to_zephyr(message)
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except:
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# Don't let an exception forwarding one message crash the
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# whole process
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logger.exception("Error forwarding message:")
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def humbug_to_zephyr(options):
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# Sync messages from zephyr to humbug
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logger.info("Starting syncing messages.")
|
|
humbug_client.call_on_each_message(maybe_forward_to_zephyr,
|
|
options={"mirror": 'zephyr_mirror'})
|
|
|
|
def subscribed_to_mail_messages():
|
|
# In case we have lost our AFS tokens and those won't be able to
|
|
# parse the Zephyr subs file, first try reading in result of this
|
|
# query from the environment so we can avoid the filesystem read.
|
|
stored_result = os.environ.get("HUMBUG_FORWARD_MAIL_ZEPHYRS")
|
|
if stored_result is not None:
|
|
return stored_result == "True"
|
|
for (cls, instance, recipient) in parse_zephyr_subs(verbose=False):
|
|
if (cls.lower() == "mail" and instance.lower() == "inbox"):
|
|
os.environ["HUMBUG_FORWARD_MAIL_ZEPHYRS"] = "True"
|
|
return True
|
|
os.environ["HUMBUG_FORWARD_MAIL_ZEPHYRS"] = "False"
|
|
return False
|
|
|
|
def add_humbug_subscriptions(verbose):
|
|
zephyr_subscriptions = set()
|
|
skipped = set()
|
|
for (cls, instance, recipient) in parse_zephyr_subs(verbose=verbose):
|
|
if cls == "message":
|
|
if recipient != "*":
|
|
# We already have a (message, *, you) subscription, so
|
|
# these are redundant
|
|
continue
|
|
# We don't support subscribing to (message, *)
|
|
if instance == "*":
|
|
if recipient == "*":
|
|
skipped.add((cls, instance, recipient, "subscribing to all of class message is not supported."))
|
|
continue
|
|
# If you're on -i white-magic on zephyr, get on stream white-magic on humbug
|
|
# instead of subscribing to stream "message" on humbug
|
|
zephyr_subscriptions.add(instance)
|
|
continue
|
|
elif cls == "mail" and instance == "inbox":
|
|
# We forward mail zephyrs, so no need to print a warning.
|
|
continue
|
|
elif len(cls) > 30:
|
|
skipped.add((cls, instance, recipient, "Class longer than 30 characters"))
|
|
continue
|
|
elif instance != "*":
|
|
skipped.add((cls, instance, recipient, "Unsupported non-* instance"))
|
|
continue
|
|
elif recipient != "*":
|
|
skipped.add((cls, instance, recipient, "Unsupported non-* recipient."))
|
|
continue
|
|
zephyr_subscriptions.add(cls)
|
|
|
|
if len(zephyr_subscriptions) != 0:
|
|
res = humbug_client.subscribe(list(zephyr_subscriptions))
|
|
if res.get("result") != "success":
|
|
print "Error subscribing to streams:"
|
|
print res["msg"]
|
|
return
|
|
|
|
already = res.get("already_subscribed")
|
|
new = res.get("subscribed")
|
|
if verbose:
|
|
if already is not None and len(already) > 0:
|
|
print
|
|
print "Already subscribed to:", ", ".join(already)
|
|
if new is not None and len(new) > 0:
|
|
print
|
|
print "Successfully subscribed to:", ", ".join(new)
|
|
|
|
if len(skipped) > 0:
|
|
if verbose:
|
|
print
|
|
print "\n".join(textwrap.wrap("""\
|
|
You have some lines in ~/.zephyr.subs that could not be
|
|
synced to your Humbug subscriptions because they do not
|
|
use "*" as both the instance and recipient and not one of
|
|
the special cases (e.g. personals and mail zephyrs) that
|
|
Humbug has a mechanism for forwarding. Humbug does not
|
|
allow subscribing to only some subjects on a Humbug
|
|
stream, so this tool has not created a corresponding
|
|
Humbug subscription to these lines in ~/.zephyr.subs:
|
|
"""))
|
|
print
|
|
|
|
for (cls, instance, recipient, reason) in skipped:
|
|
if verbose:
|
|
if reason != "":
|
|
print " [%s,%s,%s] (%s)" % (cls, instance, recipient, reason)
|
|
else:
|
|
print " [%s,%s,%s]" % (cls, instance, recipient, reason)
|
|
if len(skipped) > 0:
|
|
if verbose:
|
|
print
|
|
print "\n".join(textwrap.wrap("""\
|
|
If you wish to be subscribed to any Humbug streams related
|
|
to these .zephyrs.subs lines, please do so via the Humbug
|
|
web interface.
|
|
"""))
|
|
print
|
|
if verbose:
|
|
print
|
|
print "IMPORTANT: Please reload the Humbug app for these changes to take effect."
|
|
|
|
def valid_stream_name(name):
|
|
return name != ""
|
|
|
|
def parse_zephyr_subs(verbose=False):
|
|
zephyr_subscriptions = set()
|
|
subs_file = os.path.join(os.environ["HOME"], ".zephyr.subs")
|
|
if not os.path.exists(subs_file):
|
|
if verbose:
|
|
print >>sys.stderr, "Couldn't find ~/.zephyr.subs!"
|
|
return []
|
|
|
|
for line in file(subs_file, "r").readlines():
|
|
line = line.strip()
|
|
if len(line) == 0:
|
|
continue
|
|
try:
|
|
(cls, instance, recipient) = line.split(",")
|
|
cls = cls.replace("%me%", options.user)
|
|
instance = instance.replace("%me%", options.user)
|
|
recipient = recipient.replace("%me%", options.user)
|
|
if not valid_stream_name(cls):
|
|
if verbose:
|
|
print >>sys.stderr, "Skipping subscription to unsupported class name: [%s]" % (line,)
|
|
continue
|
|
except:
|
|
if verbose:
|
|
print >>sys.stderr, "Couldn't parse ~/.zephyr.subs line: [%s]" % (line,)
|
|
continue
|
|
zephyr_subscriptions.add((cls.strip(), instance.strip(), recipient.strip()))
|
|
return zephyr_subscriptions
|
|
|
|
def fetch_fullname(username):
|
|
try:
|
|
proc = subprocess.Popen(['hesinfo', username, 'passwd'],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE)
|
|
out, _err_unused = proc.communicate()
|
|
if proc.returncode == 0:
|
|
return out.split(':')[4].split(',')[0]
|
|
except:
|
|
logger.exception("Error getting fullname for %s:" % (username,))
|
|
|
|
return username
|
|
|
|
def configure_logger(direction_name):
|
|
if options.forward_class_messages:
|
|
if options.test_mode:
|
|
log_file = "/home/humbug/test-mirror-log"
|
|
else:
|
|
log_file = "/home/humbug/mirror-log"
|
|
else:
|
|
log_file = "/tmp/humbug-log." + options.user
|
|
logger = logging.getLogger(__name__)
|
|
log_format = "%(asctime)s " + direction_name + ": %(message)s"
|
|
formatter = logging.Formatter(log_format)
|
|
logging.basicConfig(format=log_format)
|
|
logger.setLevel(logging.DEBUG)
|
|
file_handler = logging.FileHandler(log_file)
|
|
file_handler.setFormatter(formatter)
|
|
logger.addHandler(file_handler)
|
|
return logger
|
|
|
|
if __name__ == "__main__":
|
|
parser = optparse.OptionParser()
|
|
parser.add_option('--forward-class-messages',
|
|
dest='forward_class_messages',
|
|
default=False,
|
|
help=optparse.SUPPRESS_HELP,
|
|
action='store_true')
|
|
parser.add_option('--resend-log',
|
|
dest='resend_log_path',
|
|
default=None,
|
|
help=optparse.SUPPRESS_HELP,
|
|
action='store')
|
|
parser.add_option('--enable-log',
|
|
dest='log_path',
|
|
default=None,
|
|
help=optparse.SUPPRESS_HELP,
|
|
action='store')
|
|
parser.add_option('--no-forward-personals',
|
|
dest='forward_personals',
|
|
help=optparse.SUPPRESS_HELP,
|
|
default=True,
|
|
action='store_false')
|
|
parser.add_option('--forward-from-humbug',
|
|
dest='forward_from_humbug',
|
|
default=False,
|
|
help=optparse.SUPPRESS_HELP,
|
|
action='store_true')
|
|
parser.add_option('--verbose',
|
|
dest='verbose',
|
|
default=False,
|
|
help=optparse.SUPPRESS_HELP,
|
|
action='store_true')
|
|
parser.add_option('--sync-subscriptions',
|
|
dest='sync_subscriptions',
|
|
default=False,
|
|
action='store_true')
|
|
parser.add_option('--site',
|
|
dest='site',
|
|
default=DEFAULT_SITE,
|
|
help=optparse.SUPPRESS_HELP,
|
|
action='store')
|
|
parser.add_option('--user',
|
|
dest='user',
|
|
default=os.environ["USER"],
|
|
help=optparse.SUPPRESS_HELP,
|
|
action='store')
|
|
parser.add_option('--root-path',
|
|
dest='root_path',
|
|
default="/afs/athena.mit.edu/user/t/a/tabbott/for_friends",
|
|
help=optparse.SUPPRESS_HELP,
|
|
action='store')
|
|
parser.add_option('--test-mode',
|
|
dest='test_mode',
|
|
default=False,
|
|
help=optparse.SUPPRESS_HELP,
|
|
action='store_true')
|
|
parser.add_option('--api-key-file',
|
|
dest='api_key_file',
|
|
default=os.path.join(os.environ["HOME"], "Private", ".humbug-api-key"),
|
|
action='store')
|
|
(options, args) = parser.parse_args()
|
|
|
|
sys.path[:0] = [options.root_path, os.path.join(options.root_path, "python-zephyr"),
|
|
os.path.join(options.root_path, "python-zephyr/build/lib.linux-x86_64-2.6/")]
|
|
|
|
# In case this is an automated restart of the mirroring script,
|
|
# and we have lost AFS tokens, first try reading the API key from
|
|
# the environment so that we can skip doing a filesystem read.
|
|
if os.environ.get("HUMBUG_API_KEY") is not None:
|
|
api_key = os.environ.get("HUMBUG_API_KEY")
|
|
else:
|
|
if not os.path.exists(options.api_key_file):
|
|
print "\n".join(textwrap.wrap("""\
|
|
Could not find API key file.
|
|
You need to either place your api key file at %s,
|
|
or specify the --api-key-file option.""" % (options.api_key_file,)))
|
|
sys.exit(1)
|
|
api_key = file(options.api_key_file).read().strip()
|
|
# Store the API key in the environment so that our children
|
|
# don't need to read it in
|
|
os.environ["HUMBUG_API_KEY"] = api_key
|
|
|
|
import api.common
|
|
humbug_client = api.common.HumbugAPI(email=options.user + "@mit.edu",
|
|
api_key=api_key,
|
|
verbose=True,
|
|
client="zephyr_mirror",
|
|
site=options.site)
|
|
|
|
start_time = time.time()
|
|
|
|
if options.sync_subscriptions:
|
|
print "Syncing your ~/.zephyr.subs to your Humbug Subscriptions!"
|
|
add_humbug_subscriptions(True)
|
|
sys.exit(0)
|
|
|
|
if options.forward_from_humbug:
|
|
print "This option is obsolete."
|
|
sys.exit(0)
|
|
|
|
# First check that there are no other bots running
|
|
cmdline = " ".join(sys.argv)
|
|
if "extra_mirror" in cmdline:
|
|
bot_name = "extra_mirror.py"
|
|
else:
|
|
bot_name = "zephyr_mirror.py"
|
|
if not options.test_mode:
|
|
proc = subprocess.Popen(['pgrep', '-U', os.environ["USER"], "-f", bot_name],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE)
|
|
out, _err_unused = proc.communicate()
|
|
for pid in out.split():
|
|
if int(pid.strip()) != os.getpid():
|
|
# Another copy of zephyr_mirror.py! Kill it.
|
|
print "Killing duplicate zephyr_mirror process %s" % (pid,)
|
|
os.kill(int(pid), signal.SIGKILL)
|
|
|
|
child_pid = os.fork()
|
|
if child_pid == 0:
|
|
# Run the humbug => zephyr mirror in the child
|
|
logger = configure_logger("humbug=>zephyr")
|
|
zsig_fullname = fetch_fullname(options.user)
|
|
humbug_to_zephyr(options)
|
|
sys.exit(0)
|
|
|
|
import zephyr
|
|
while True:
|
|
try:
|
|
# zephyr.init() tries to clear old subscriptions, and thus
|
|
# sometimes gets a SERVNAK from the server
|
|
zephyr.init()
|
|
break
|
|
except IOError:
|
|
traceback.print_exc()
|
|
time.sleep(1)
|
|
logger = configure_logger("zephyr=>humbug")
|
|
# Have the kernel reap children for when we fork off processes to send Humbugs
|
|
signal.signal(signal.SIGCHLD, signal.SIG_IGN)
|
|
zephyr_to_humbug(options)
|