1 files changed, 46 insertions, 0 deletions
diff --git a/src/common/hostname.cc b/src/common/hostname.cc
new file mode 100644
index 000000000..b452a5723
--- /dev/null
+++ b/src/common/hostname.cc
@@ -0,0 +1,46 @@
+// -*- 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) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * 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 "common/hostname.h"
+
+#include <unistd.h>
+
+#include "include/compat.h"
+
+std::string ceph_get_hostname()
+{
+  // are we in a container?  if so we would prefer the *real* hostname.
+  const char *node_name = getenv("NODE_NAME");
+  if (node_name) {
+    return node_name;
+  }
+
+  char buf[1024];
+  gethostname(buf, 1024);
+  return std::string(buf);
+}
+
+std::string ceph_get_short_hostname()
+{
+  std::string hostname = ceph_get_hostname();
+  size_t pos = hostname.find('.');
+  if (pos == std::string::npos)
+  {
+    return hostname;
+  }
+  else
+  {
+    return hostname.substr(0, pos);
+  }
+}