Resurrect logreopen (#10)

src/zdaemon/tests/testzdctl.py

@@ -19,8 +19,8 @@ def doctest_ZDCmd_help():
         <BLANKLINE>
         Documented commands (type help <topic>):
         ========================================
-        fg          help  logtail            restart  start   stop
-        foreground  kill  reopen_transcript  show     status  wait
+        fg          help  logreopen  reopen_transcript  show   status  wait
+        foreground  kill  logtail    restart            start  stop
         <BLANKLINE>
 
         >>> run("help fg")
@@ -35,6 +35,10 @@ def doctest_ZDCmd_help():
         kill [sig] -- Send signal sig to the daemon process.
                       The default signal is SIGTERM.
 
+        >>> run("help logreopen")
+        logreopen -- Send a SIGUSR2 signal to the daemon process.
+                     This is designed to reopen the log file.
+
         >>> run("help logtail")
         logtail [logfile] -- Run tail -f on the given logfile.
                              A default file may exist.
@@ -71,4 +75,4 @@ def doctest_ZDCmd_help():
 
 
 def test_suite():
-    return doctest.DocTestSuite()
+    return doctest.DocTestSuite(optionflags=doctest.NORMALIZE_WHITESPACE)

src/zdaemon/zdctl.py

@@ -500,6 +500,13 @@ def help_show(self):
         print("show python -- show Python version and details")
         print("show all -- show all of the above")
 
+    def do_logreopen(self, arg):
+        self.do_kill('USR2')
+
+    def help_logreopen(self):
+        print("logreopen -- Send a SIGUSR2 signal to the daemon process.")
+        print("             This is designed to reopen the log file.")
+
     def do_logtail(self, arg):
         if not arg:
             arg = self.options.logfile