Allow remote(ish) debugging.

This changes SIGUSR2 to start a debugger that you can telnet to on port
8080.  At the moment you need to do "C-] mode char\n" in your telnet
client to get it into character mode instead of line mode.

1 files changed, 10 insertions, 0 deletions

diff --git a/anaconda b/anaconda
index 2f0ca53d6..ed9b6ae67 100755
--- a/anaconda
+++ b/anaconda
@@ -443,6 +443,10 @@ def startSsh():
         os.execv("/sbin/sshd", args)
         sys.exit(1)
 
+def startDebugger(signum, frame):
+    import epdb
+    epdb.serve(skip=1)
+
 class Anaconda:
     def __init__(self):
         self.intf = None
@@ -631,6 +635,12 @@ if __name__ == "__main__":
 
     setupEnvironment()
 
+    pidfile = open("/var/run/anaconda.pid", "w")
+    pidfile.write("%s\n" % (os.getpid(),))
+    del pidfile
+    # add our own additional signal handlers
+    signal.signal(signal.SIGHUP, startDebugger)
+
     # we need to do this really early so we make sure its done before rpm
     # is imported
     iutil.writeRpmPlatform()