Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 239 insertions, 0 deletions

diff --git a/src/test/mon/MonMap.cc b/src/test/mon/MonMap.cc
new file mode 100644
index 00000000..54720b55
--- /dev/null
+++ b/src/test/mon/MonMap.cc
@@ -0,0 +1,239 @@
+// -*- 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);
+}