ipa-replica-manage: print traceback on unexpected error when in verbose mode

Print the traceback to stdout to maintain backwards compatibility.

https://fedorahosted.org/freeipa/ticket/5380

Reviewed-By: Martin Basti <mbasti@redhat.com>

install/tools/ipa-replica-manage

@@ -27,6 +27,7 @@ import re
 import ldap
 import socket
 import time
+import traceback
 
 from six.moves.urllib.parse import urlparse
 
@@ -1529,14 +1530,12 @@ def exit_on_managed_topology(what):
              "Please use `ipa topologysegment-*` commands to manage "
              "the topology.".format(what))
 
-def main():
+def main(options, args):
     if os.getegid() == 0:
         installutils.check_server_configuration()
     elif not os.path.exists(paths.IPA_DEFAULT_CONF):
         sys.exit("IPA is not configured on this system.")
 
-    options, args = parse_options()
-
     # Just initialize the environment. This is so the installer can have
     # access to the plugin environment
     api_env = {'in_server' : True,
@@ -1646,7 +1645,8 @@ def main():
                       nolookup=options.nolookup)
 
 try:
-    main()
+    options, args = parse_options()
+    main(options, args)
 except KeyboardInterrupt:
     sys.exit(1)
 except SystemExit as e:
@@ -1657,5 +1657,13 @@ except socket.timeout:
     print("Connection timed out.")
     sys.exit(1)
 except Exception as e:
-    print("unexpected error: %s" % str(e))
+    if options.verbose:
+        traceback.print_exc(file=sys.stdout)
+    else:
+        print(
+            "Re-run {} with --verbose option to get more information".format(
+                sys.argv[0])
+        )
+
+    print("Unexpected error: %s" % str(e))
     sys.exit(1)