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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) 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 <sstream>
#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);
}
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