1 files changed, 69 insertions, 0 deletions
diff --git a/buildbot/buildbot/scripts/reconfig.py b/buildbot/buildbot/scripts/reconfig.py
new file mode 100644
index 0000000..104214b
--- /dev/null
+++ b/buildbot/buildbot/scripts/reconfig.py
@@ -0,0 +1,69 @@
+
+import os, signal, platform
+from twisted.internet import reactor
+
+from buildbot.scripts.logwatcher import LogWatcher, BuildmasterTimeoutError, \
+     ReconfigError
+
+class Reconfigurator:
+    def run(self, config):
+        # Returns "Microsoft" for Vista and "Windows" for other versions
+        if platform.system() in ("Windows", "Microsoft"):
+            print "Reconfig (through SIGHUP) is not supported on Windows."
+            print "The 'buildbot debugclient' tool can trigger a reconfig"
+            print "remotely, but requires Gtk+ libraries to run."
+            return
+
+        basedir = config['basedir']
+        quiet = config['quiet']
+        os.chdir(basedir)
+        f = open("twistd.pid", "rt")
+        self.pid = int(f.read().strip())
+        if quiet:
+            os.kill(self.pid, signal.SIGHUP)
+            return
+
+        # keep reading twistd.log. Display all messages between "loading
+        # configuration from ..." and "configuration update complete" or
+        # "I will keep using the previous config file instead.", or until
+        # 10 seconds have elapsed.
+
+        self.sent_signal = False
+        lw = LogWatcher("twistd.log")
+        d = lw.start()
+        d.addCallbacks(self.success, self.failure)
+        reactor.callLater(0.2, self.sighup)
+        reactor.run()
+
+    def sighup(self):
+        if self.sent_signal:
+            return
+        print "sending SIGHUP to process %d" % self.pid
+        self.sent_signal = True
+        os.kill(self.pid, signal.SIGHUP)
+
+    def success(self, res):
+        print """
+Reconfiguration appears to have completed successfully.
+"""
+        reactor.stop()
+
+    def failure(self, why):
+        if why.check(BuildmasterTimeoutError):
+            print "Never saw reconfiguration finish."
+        elif why.check(ReconfigError):
+            print """
+Reconfiguration failed. Please inspect the master.cfg file for errors,
+correct them, then try 'buildbot reconfig' again.
+"""
+        elif why.check(IOError):
+            # we were probably unable to open the file in the first place
+            self.sighup()
+        else:
+            print "Error while following twistd.log: %s" % why
+        reactor.stop()
+
+def reconfig(config):
+    r = Reconfigurator()
+    r.run(config)
+