// -*- 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) 2016 SUSE LINUX GmbH * * 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 "mon/MonMap.h" #include "common/ceph_context.h" #include "common/dns_resolve.h" #include "test/common/dns_messages.h" #include "common/debug.h" #include "gmock/gmock.h" #include "gtest/gtest.h" #include #define TEST_DEBUG 20 #define dout_subsys ceph_subsys_mon using ::testing::Return; using ::testing::_; using ::testing::SetArrayArgument; using ::testing::DoAll; using ::testing::StrEq; class MonMapTest : public ::testing::Test { protected: virtual void SetUp() { g_ceph_context->_conf->subsys.set_log_level(dout_subsys, TEST_DEBUG); } virtual void TearDown() { DNSResolver::get_instance(nullptr); } }; TEST_F(MonMapTest, DISABLED_build_initial_config_from_dns) { MockResolvHWrapper *resolvH = new MockResolvHWrapper(); DNSResolver::get_instance(resolvH); int len = sizeof(ns_search_msg_ok_payload); int lena = sizeof(ns_query_msg_mon_a_payload); int lenb = sizeof(ns_query_msg_mon_b_payload); int lenc = sizeof(ns_query_msg_mon_c_payload); using ::testing::InSequence; { InSequence s; #ifdef HAVE_RES_NQUERY EXPECT_CALL(*resolvH, res_nsearch(_, StrEq("_cephmon._tcp"), C_IN, T_SRV, _, _)) .WillOnce(DoAll(SetArrayArgument<4>(ns_search_msg_ok_payload, ns_search_msg_ok_payload+len), Return(len))); EXPECT_CALL(*resolvH, res_nquery(_,StrEq("mon.a.ceph.com"), C_IN, T_A,_,_)) .WillOnce(DoAll(SetArrayArgument<4>(ns_query_msg_mon_a_payload, ns_query_msg_mon_a_payload+lena), Return(lena))); EXPECT_CALL(*resolvH, res_nquery(_, StrEq("mon.c.ceph.com"), C_IN, T_A,_,_)) .WillOnce(DoAll(SetArrayArgument<4>(ns_query_msg_mon_c_payload, ns_query_msg_mon_c_payload+lenc), Return(lenc))); EXPECT_CALL(*resolvH, res_nquery(_,StrEq("mon.b.ceph.com"), C_IN, T_A, _,_)) .WillOnce(DoAll(SetArrayArgument<4>(ns_query_msg_mon_b_payload, ns_query_msg_mon_b_payload+lenb), Return(lenb))); #else EXPECT_CALL(*resolvH, res_search(StrEq("_cephmon._tcp"), C_IN, T_SRV, _, _)) .WillOnce(DoAll(SetArrayArgument<3>(ns_search_msg_ok_payload, ns_search_msg_ok_payload+len), Return(len))); EXPECT_CALL(*resolvH, res_query(StrEq("mon.a.ceph.com"), C_IN, T_A,_,_)) .WillOnce(DoAll(SetArrayArgument<3>(ns_query_msg_mon_a_payload, ns_query_msg_mon_a_payload+lena), Return(lena))); EXPECT_CALL(*resolvH, res_query(StrEq("mon.c.ceph.com"), C_IN, T_A,_,_)) .WillOnce(DoAll(SetArrayArgument<3>(ns_query_msg_mon_c_payload, ns_query_msg_mon_c_payload+lenc), Return(lenc))); EXPECT_CALL(*resolvH, res_query(StrEq("mon.b.ceph.com"), C_IN, T_A, _,_)) .WillOnce(DoAll(SetArrayArgument<3>(ns_query_msg_mon_b_payload, ns_query_msg_mon_b_payload+lenb), Return(lenb))); #endif } CephContext *cct = (new CephContext(CEPH_ENTITY_TYPE_MON))->get(); cct->_conf.set_val("mon_dns_srv_name", "cephmon"); MonMap monmap; int r = monmap.build_initial(cct, false, std::cerr); ASSERT_EQ(r, 0); ASSERT_EQ(monmap.mon_info.size(), (unsigned int)3); auto it = monmap.mon_info.find("mon.a"); ASSERT_NE(it, monmap.mon_info.end()); std::ostringstream os; os << it->second.public_addrs; ASSERT_EQ(os.str(), "192.168.1.11:6789/0"); os.str(""); it = monmap.mon_info.find("mon.b"); ASSERT_NE(it, monmap.mon_info.end()); os << it->second.public_addrs; ASSERT_EQ(os.str(), "192.168.1.12:6789/0"); os.str(""); it = monmap.mon_info.find("mon.c"); ASSERT_NE(it, monmap.mon_info.end()); os << it->second.public_addrs; ASSERT_EQ(os.str(), "192.168.1.13:6789/0"); } TEST_F(MonMapTest, DISABLED_build_initial_config_from_dns_fail) { MockResolvHWrapper *resolvH = new MockResolvHWrapper(); DNSResolver::get_instance(resolvH); #ifdef HAVE_RES_NQUERY EXPECT_CALL(*resolvH, res_nsearch(_, StrEq("_ceph-mon._tcp"), C_IN, T_SRV, _, _)) .WillOnce(Return(0)); #else EXPECT_CALL(*resolvH, res_search(StrEq("_ceph-mon._tcp"), C_IN, T_SRV, _, _)) .WillOnce(Return(0)); #endif CephContext *cct = (new CephContext(CEPH_ENTITY_TYPE_MON))->get(); // using default value of mon_dns_srv_name option MonMap monmap; int r = monmap.build_initial(cct, false, std::cerr); ASSERT_EQ(r, -ENOENT); ASSERT_EQ(monmap.mon_info.size(), (unsigned int)0); } TEST_F(MonMapTest, DISABLED_build_initial_config_from_dns_with_domain) { MockResolvHWrapper *resolvH = new MockResolvHWrapper(); DNSResolver::get_instance(resolvH); int len = sizeof(ns_search_msg_ok_payload); int lena = sizeof(ns_query_msg_mon_a_payload); int lenb = sizeof(ns_query_msg_mon_b_payload); int lenc = sizeof(ns_query_msg_mon_c_payload); using ::testing::InSequence; { InSequence s; #ifdef HAVE_RES_NQUERY EXPECT_CALL(*resolvH, res_nsearch(_, StrEq("_cephmon._tcp.ceph.com"), C_IN, T_SRV, _, _)) .WillOnce(DoAll(SetArrayArgument<4>(ns_search_msg_ok_payload, ns_search_msg_ok_payload+len), Return(len))); EXPECT_CALL(*resolvH, res_nquery(_,StrEq("mon.a.ceph.com"), C_IN, T_A,_,_)) .WillOnce(DoAll(SetArrayArgument<4>(ns_query_msg_mon_a_payload, ns_query_msg_mon_a_payload+lena), Return(lena))); EXPECT_CALL(*resolvH, res_nquery(_, StrEq("mon.c.ceph.com"), C_IN, T_A,_,_)) .WillOnce(DoAll(SetArrayArgument<4>(ns_query_msg_mon_c_payload, ns_query_msg_mon_c_payload+lenc), Return(lenc))); EXPECT_CALL(*resolvH, res_nquery(_,StrEq("mon.b.ceph.com"), C_IN, T_A, _,_)) .WillOnce(DoAll(SetArrayArgument<4>(ns_query_msg_mon_b_payload, ns_query_msg_mon_b_payload+lenb), Return(lenb))); #else EXPECT_CALL(*resolvH, res_search(StrEq("_cephmon._tcp.ceph.com"), C_IN, T_SRV, _, _)) .WillOnce(DoAll(SetArrayArgument<3>(ns_search_msg_ok_payload, ns_search_msg_ok_payload+len), Return(len))); EXPECT_CALL(*resolvH, res_query(StrEq("mon.a.ceph.com"), C_IN, T_A,_,_)) .WillOnce(DoAll(SetArrayArgument<3>(ns_query_msg_mon_a_payload, ns_query_msg_mon_a_payload+lena), Return(lena))); EXPECT_CALL(*resolvH, res_query(StrEq("mon.c.ceph.com"), C_IN, T_A,_,_)) .WillOnce(DoAll(SetArrayArgument<3>(ns_query_msg_mon_c_payload, ns_query_msg_mon_c_payload+lenc), Return(lenc))); EXPECT_CALL(*resolvH, res_query(StrEq("mon.b.ceph.com"), C_IN, T_A, _,_)) .WillOnce(DoAll(SetArrayArgument<3>(ns_query_msg_mon_b_payload, ns_query_msg_mon_b_payload+lenb), Return(lenb))); #endif } CephContext *cct = (new CephContext(CEPH_ENTITY_TYPE_MON))->get(); cct->_conf.set_val("mon_dns_srv_name", "cephmon_ceph.com"); MonMap monmap; int r = monmap.build_initial(cct, false, std::cerr); ASSERT_EQ(r, 0); ASSERT_EQ(monmap.mon_info.size(), (unsigned int)3); auto it = monmap.mon_info.find("mon.a"); ASSERT_NE(it, monmap.mon_info.end()); std::ostringstream os; os << it->second.public_addrs; ASSERT_EQ(os.str(), "192.168.1.11:6789/0"); os.str(""); it = monmap.mon_info.find("mon.b"); ASSERT_NE(it, monmap.mon_info.end()); os << it->second.public_addrs; ASSERT_EQ(os.str(), "192.168.1.12:6789/0"); os.str(""); it = monmap.mon_info.find("mon.c"); ASSERT_NE(it, monmap.mon_info.end()); os << it->second.public_addrs; 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); }