test/mon: add tests for mon_host build by hostname

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
(cherry picked from commit 4022c1f1fb4c37e63bf884e36a2b533735c56f94)

Conflicts:
    src/test/mon/MonMap.cc
- do not attempt to introduce boost::intrusive_ptr into Nautilus
- monmap.build_initial takes bare cct in nautilus (master: cct.get())

diff --git a/src/test/mon/MonMap.cc b/src/test/mon/MonMap.cc
index a9206e9cb8ad1ab6e8a174fee65c7edaa1f9a1a7..54720b559af7abcce3082dc1d64769ad855eb6de 100644 (file)
--- a/src/test/mon/MonMap.cc
+++ b/src/test/mon/MonMap.cc
@@ -218,3 +218,22 @@ TEST_F(MonMapTest, DISABLED_build_initial_config_from_dns_with_domain) {
   ASSERT_EQ(os.str(), "192.168.1.13:6789/0");
 }
 
+TEST(MonMapBuildInitial, build_initial_mon_host_from_dns) {
+  CephContext *cct = (new CephContext(CEPH_ENTITY_TYPE_MON))->get();
+  cct->_conf.set_val("mon_host", "ceph.io");
+  MonMap monmap;
+  int r = monmap.build_initial(cct, false, std::cerr);
+  ASSERT_EQ(r, 0);
+  ASSERT_GE(monmap.mon_info.size(), 1u);
+  for (const auto& [name, info] : monmap.mon_info) {
+    std::cerr << info << std::endl;
+  }
+}
+
+TEST(MonMapBuildInitial, build_initial_mon_host_from_dns_fail) {
+  CephContext *cct = (new CephContext(CEPH_ENTITY_TYPE_MON))->get();
+  cct->_conf.set_val("mon_host", "ceph.noname");
+  MonMap monmap;
+  int r = monmap.build_initial(cct, false, std::cerr);
+  ASSERT_EQ(r, -EINVAL);
+}