chiark / gitweb /
hippotatd: support syslog
[hippotat.git] / hippotatd
index ec47c1ddee4118218c24a6cdcb528279beb9463b..525e4a1bcf810b1ca4edae5cdb413b8e0ea49f30 100755 (executable)
--- a/hippotatd
+++ b/hippotatd
@@ -37,6 +37,7 @@ 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
@@ -242,16 +243,17 @@ class IphttpResource(NotStupidResource):
 
   def render_GET(self, request):
     log_debug(DBG.HTTP, 'GET request')
-    return ('''
-<html><body>
-hippotat
-<p>
-<a href="%s">source</a>
-(and that of dependency <a href="%s">packages</a>)
-available
-</body></html>
-'''
-            % tuple(self.hippotat_sources)).encode('utf-8')
+    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()
@@ -273,11 +275,13 @@ def start_http():
   ssp = SourceShipmentPreparer(td)
   ssp.logger = partial(log_debug, DBG.OWNSOURCE)
   if DBG.OWNSOURCE in debug_set: ssp.stream_debug = sys.stdout
-  ssp.generate()
+  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)
@@ -338,8 +342,53 @@ def catch_termination():
   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')
+
+    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('--syslog-facility',
+                     nargs=1, type='string',action='store',
+                     metavar='FACILITY', dest='syslogfacility',
+                     default=None,
+                     help='log to syslog, with specified facility')
+
 common_startup(process_cfg)
 catch_termination()
 ipif = start_ipif(c.ipif_command, (lambda p,s,d: route(p,"[ipif]",s,d)))
 start_http()
+daemonise()
 common_run()