#
# Copyright 2017 Ian Jackson
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as
-# published by the Free Software Foundation, either version 3 of the
-# License, or (at your option) any later version, with the "CAF Login
-# Exception" as published by Ian Jackson (version 2, or at your option
-# any later version) as an Additional Permission.
+# AGPLv3+ + CAFv2+
#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU Affero General Public License for more details.
+# This program is free software: you can redistribute it and/or
+# modify it under the terms of the GNU Affero General Public
+# License as published by the Free Software Foundation, either
+# version 3 of the License, or (at your option) any later version,
+# with the "CAF Login Exception" as published by Ian Jackson
+# (version 2, or at your option any later version) as an Additional
+# Permission.
#
-# You should have received a copy of the GNU Affero General Public
-# License and the CAF Login Exception along with this program, in the
-# file AGPLv3+CAFv2. If not, email Ian Jackson
-# <ijackson@chiark.greenend.org.uk>.
-
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public
+# License and the CAF Login Exception along with this program, in
+# the file AGPLv3+CAFv2. If not, email Ian Jackson
+# <ijackson@chiark.greenend.org.uk>.
+#@ sys.path.append(@PYBUILD_INSTALL_DIR@)
from hippotatlib import *
import os
import tempfile
import atexit
import shutil
+import subprocess
import twisted.internet
from twisted.web.server import NOT_DONE_YET
import twisted.web.static
+import twisted.python.syslog
import hippotatlib.ownsource
from hippotatlib.ownsource import SourceShipmentPreparer
log_debug(DBG.HTTP_CTRL, '...', idof=id(request))
return NOT_DONE_YET
- def render_GET(self, request):
- log_debug(DBG.HTTP, 'GET request')
- return b'''
-<html><body>
-hippotat
-<p>
-<a href="source">source</a> available
-</body></html>
-'''
-
-class SourceResource(twisted.web.static.File):
+ # instantiator should set
+ # self.hippotat_sources = (source_names[0], source_names[1])
def __init__(self):
- td = tempfile.mkdtemp()
-
- def cleanup():
- try: shutil.rmtree(td)
- except FileNotFoundError: pass
-
- cleanups.append(cleanup)
+ self.hippotat_sources = [None, None]
+ super().__init__()
- self._ssp = SourceShipmentPreparer(td)
- self._ssp.logger = self.log
- self._ssp.generate()
-
- super().__init__(self._ssp.output_path)
-
- def log(self, m):
- log_debug(DBG.OWNSOURCE, m)
+ def render_GET(self, request):
+ log_debug(DBG.HTTP, 'GET request')
+ s = '<html><body>hippotat\n'
+ (s0,s1) = self.hippotat_sources
+ if s0:
+ s += '<p><a href="%s">source</a>\n' % s0
+ if self.hippotat_sources[1]:
+ s += ('(and that of dependency <a href="%s">packages</a>)\n' % s1)
+ s += 'available'
+ else:
+ s += 'TESTING'
+ s += '</body></html>'
+ return s.encode('utf-8')
def start_http():
resource = IphttpResource()
- resource.putChild(b'source',SourceResource())
site = twisted.web.server.Site(resource)
+
for sa in c.saddrs:
ep = sa.make_endpoint()
crash_on_defer(ep.listen(site))
log_debug(DBG.INIT, 'listening on %s' % sa)
+ td = tempfile.mkdtemp()
+
+ def cleanup():
+ try: shutil.rmtree(td)
+ except FileNotFoundError: pass
+
+ cleanups.append(cleanup)
+
+ ssp = SourceShipmentPreparer(td)
+ ssp.logger = partial(log_debug, DBG.OWNSOURCE)
+ if DBG.OWNSOURCE in debug_set: ssp.stream_debug = sys.stdout
+ ssp.download_packages = opts.ownsource >= 2
+ if opts.ownsource >= 1: ssp.generate()
+
+ for ix in (0,1):
+ bn = ssp.output_names[ix]
+ op = ssp.output_paths[ix]
+ if op is None: continue
+ resource.hippotat_sources[ix] = bn
+ subresource =twisted.web.static.File(op)
+ resource.putChild(bn.encode('utf-8'), subresource)
+
+ reactor.callLater(0.1, (lambda: log.info('hippotatd started', dflag=False)))
+
#---------- config and setup ----------
-def process_cfg(putative_servers, putative_clients):
+def process_cfg(_opts, putative_servers, putative_clients):
+ global opts
+ opts = _opts
+
global c
c = ConfigResults()
c.server = cfg.get('SERVER','server')
('peer', 'vrelay'),
('rnets','vnetwork')))
+ if opts.printconfig is not None:
+ try: val = cfg.get(c.server, opts.printconfig)
+ except NoOptionError: pass
+ else: print(val)
+ sys.exit(0)
+
def catch_termination():
def run_cleanups():
for cleanup in cleanups:
for sig in (signal.SIGINT, signal.SIGTERM):
signal.signal(sig, partial(signal_handler, sig.name))
+def daemonise():
+ global syslogfacility
+ if opts.daemon and opts.syslogfacility is None:
+ opts.syslogfacility = 'daemon'
+
+ if opts.syslogfacility is not None:
+ facilnum = syslog.__dict__['LOG_' + opts.syslogfacility.upper()]
+ syslog.openlog('hippotatd',
+ facility=facilnum,
+ logoption=syslog.LOG_PID)
+ def emit(event):
+ m = twisted.logger.formatEvent(event)
+ #print(repr(event), m, file=org_stderr)
+ level = event.get('log_level')
+ if event.get('dflag',None) is not None: sl = syslog.LOG_DEBUG
+ elif level == LogLevel.critical : sl = syslog.LOG_CRIT
+ elif level == LogLevel.error : sl = syslog.LOG_ERR
+ elif level == LogLevel.warn : sl = syslog.LOG_WARNING
+ else : sl = syslog.LOG_INFO
+ syslog.syslog(sl,m)
+ glp = twisted.logger.globalLogPublisher
+ glp.addObserver(emit)
+ log_debug(DBG.INIT, 'starting to log to syslog')
+
+ #log.crit('daemonic hippotatd crashed', dflag=False)
+ if opts.daemon:
+ daemonic_reactor = (twisted.internet.interfaces.IReactorDaemonize
+ .providedBy(reactor))
+ if daemonic_reactor: reactor.beforeDaemonize()
+ if opts.pidfile is not None:
+ pidfile_h = open(opts.pidfile, 'w')
+ rfd, wfd = os.pipe()
+ childpid = os.fork()
+ if childpid:
+ # we are the parent
+ os.close(wfd)
+ st = os.read(rfd, 1)
+ try:
+ st = st[0]
+ except IndexError:
+ st = 127
+ log.critical('daemonic hippotatd crashed', dflag=False)
+ os._exit(st)
+ os.close(rfd)
+ os.setsid()
+ grandchildpid = os.fork()
+ if grandchildpid:
+ # we are the intermediate child
+ if opts.pidfile is not None:
+ print(grandchildpid, file=pfh)
+ pfh.close()
+ os._exit(0)
+
+ mypid = os.getpid()
+ pfh.close()
+
+ logger = subprocess.Popen(['logger','-d',
+ '-t','hippotat(stderr)',
+ '--id=%d' % mypid,
+ '-p',opts.syslogfacility + '.err'],
+ stdin=subprocess.PIPE,
+ stdout=subprocess.DEVNULL,
+ stderr=subprocess.DEVNULL,
+ restore_signals=True)
+
+ nullfd = os.open('/dev/null', os.O_RDWR)
+ os.dup2(nullfd, 0)
+ os.dup2(nullfd, 1)
+ os.dup2(logger.stdin.fileno(), 2)
+ os.close(nullfd)
+ if daemonic_reactor: reactor.afterDaemonize()
+ log_debug(DBG.INIT, 'daemonised')
+ os.write(wfd, b'\0')
+ os.close(wfd)
+
+ if opts.syslogfacility is not None:
+ glp.removeObserver(hippotatlib.file_log_observer)
+
+optparser.add_option('--ownsource', default=2,
+ action='store_const', dest='ownsource', const=2,
+ help='source download fully enabled (default)')
+
+optparser.add_option('--ownsource-local',
+ action='store_const', dest='ownsource', const=1,
+ help='source download is local source code only')
+
+optparser.add_option('--no-ownsource',
+ action='store_const', dest='ownsource', const=0,
+ help='source download disabled (for testing only)')
+
+optparser.add_option('--daemon',
+ action='store_true', dest='daemon', default=False,
+ help='daemonize (and log to syslog)')
+
+optparser.add_option('--pidfile',
+ nargs=1, type='string',
+ action='store', dest='pidfile', default=None,
+ help='write pid to this file')
+
+optparser.add_option('--syslog-facility',
+ nargs=1, type='string',action='store',
+ metavar='FACILITY', dest='syslogfacility',
+ default=None,
+ help='log to syslog, with specified facility')
+
+optparser.add_option('--print-config',
+ nargs=1, type='string',action='store',
+ metavar='OPTION', dest='printconfig',
+ default=None,
+ help='print one config option value and exit')
+
common_startup(process_cfg)
catch_termination()
-ipif = start_ipif(c.ipif_command, (lambda p,s,d: route(p,"[ipif]",s,d)))
start_http()
+daemonise()
+ipif = start_ipif(c.ipif_command, (lambda p,s,d: route(p,"[ipif]",s,d)))
common_run()