initial code repo

[stor4nfv.git] / src / ceph / src / ceph_mgr.cc

diff --git a/src/ceph/src/ceph_mgr.cc b/src/ceph/src/ceph_mgr.cc
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+++ b/src/ceph/src/ceph_mgr.cc
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2015 Red Hat Inc
+ *
+ * Author: John Spray <john.spray@redhat.com>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#include <Python.h>
+
+#include <pthread.h>
+
+#include "include/types.h"
+#include "include/compat.h"
+#include "common/config.h"
+#include "common/ceph_argparse.h"
+#include "common/errno.h"
+#include "common/pick_address.h"
+#include "global/global_init.h"
+
+#include "mgr/MgrStandby.h"
+
+static void usage()
+{
+  cout << "usage: ceph-mgr -i <ID> [flags]\n"
+       << std::endl;
+  generic_server_usage();
+}
+
+/**
+ * A short main() which just instantiates a MgrStandby and
+ * hands over control to that.
+ */
+int main(int argc, const char **argv)
+{
+  ceph_pthread_setname(pthread_self(), "ceph-mgr");
+
+  vector<const char*> args;
+  argv_to_vec(argc, argv, args);
+  env_to_vec(args);
+
+  auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_MGR,
+                        CODE_ENVIRONMENT_DAEMON, 0,
+                        "mgr_data");
+  // For consumption by KeyRing::from_ceph_context in MonClient
+  g_conf->set_val_or_die("keyring", "$mgr_data/keyring");
+
+  // Handle --help
+  if ((args.size() == 1 && (std::string(args[0]) == "--help" || std::string(args[0]) == "-h"))) {
+    usage();
+  }
+
+  pick_addresses(g_ceph_context, CEPH_PICK_ADDRESS_PUBLIC);
+
+  global_init_daemonize(g_ceph_context);
+  global_init_chdir(g_ceph_context);
+  common_init_finish(g_ceph_context);
+
+  MgrStandby mgr(argc, argv);
+  int rc = mgr.init();
+  if (rc != 0) {
+      std::cerr << "Error in initialization: " << cpp_strerror(rc) << std::endl;
+      return rc;
+  }
+
+  return mgr.main(args);
+}
+