1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "include/rados/librados.hpp"
#include "include/stringify.h"
#include "cls/rbd/cls_rbd_types.h"
#include "cls/rbd/cls_rbd_client.h"
#include "librbd/Utils.h"
#include "librbd/internal.h"
#include "test/rbd_mirror/test_fixture.h"
#include "tools/rbd_mirror/InstanceWatcher.h"
#include "tools/rbd_mirror/Threads.h"
#include "common/Cond.h"
#include "test/librados/test_cxx.h"
#include "gtest/gtest.h"
using rbd::mirror::InstanceWatcher;
void register_test_instance_watcher() {
}
class TestInstanceWatcher : public ::rbd::mirror::TestFixture {
public:
std::string m_instance_id;
std::string m_oid;
void SetUp() override {
TestFixture::SetUp();
m_local_io_ctx.remove(RBD_MIRROR_LEADER);
EXPECT_EQ(0, m_local_io_ctx.create(RBD_MIRROR_LEADER, true));
m_instance_id = stringify(m_local_io_ctx.get_instance_id());
m_oid = RBD_MIRROR_INSTANCE_PREFIX + m_instance_id;
}
void get_instances(std::vector<std::string> *instance_ids) {
instance_ids->clear();
C_SaferCond on_get;
InstanceWatcher<>::get_instances(m_local_io_ctx, instance_ids, &on_get);
EXPECT_EQ(0, on_get.wait());
}
};
TEST_F(TestInstanceWatcher, InitShutdown)
{
InstanceWatcher<> instance_watcher(m_local_io_ctx, m_threads->work_queue,
nullptr, m_instance_id);
std::vector<std::string> instance_ids;
get_instances(&instance_ids);
ASSERT_EQ(0U, instance_ids.size());
uint64_t size;
ASSERT_EQ(-ENOENT, m_local_io_ctx.stat(m_oid, &size, nullptr));
// Init
ASSERT_EQ(0, instance_watcher.init());
get_instances(&instance_ids);
ASSERT_EQ(1U, instance_ids.size());
ASSERT_EQ(m_instance_id, instance_ids[0]);
ASSERT_EQ(0, m_local_io_ctx.stat(m_oid, &size, nullptr));
std::list<obj_watch_t> watchers;
ASSERT_EQ(0, m_local_io_ctx.list_watchers(m_oid, &watchers));
ASSERT_EQ(1U, watchers.size());
ASSERT_EQ(m_instance_id, stringify(watchers.begin()->watcher_id));
get_instances(&instance_ids);
ASSERT_EQ(1U, instance_ids.size());
// Shutdown
instance_watcher.shut_down();
ASSERT_EQ(-ENOENT, m_local_io_ctx.stat(m_oid, &size, nullptr));
get_instances(&instance_ids);
ASSERT_EQ(0U, instance_ids.size());
}
TEST_F(TestInstanceWatcher, Remove)
{
std::string instance_id = "instance_id";
std::string oid = RBD_MIRROR_INSTANCE_PREFIX + instance_id;
std::vector<std::string> instance_ids;
get_instances(&instance_ids);
ASSERT_EQ(0U, instance_ids.size());
uint64_t size;
ASSERT_EQ(-ENOENT, m_local_io_ctx.stat(oid, &size, nullptr));
librados::Rados cluster;
librados::IoCtx io_ctx;
ASSERT_EQ("", connect_cluster_pp(cluster));
ASSERT_EQ(0, cluster.ioctx_create(_local_pool_name.c_str(), io_ctx));
InstanceWatcher<> instance_watcher(m_local_io_ctx, m_threads->work_queue,
nullptr, "instance_id");
// Init
ASSERT_EQ(0, instance_watcher.init());
get_instances(&instance_ids);
ASSERT_EQ(1U, instance_ids.size());
ASSERT_EQ(instance_id, instance_ids[0]);
ASSERT_EQ(0, m_local_io_ctx.stat(oid, &size, nullptr));
std::list<obj_watch_t> watchers;
ASSERT_EQ(0, m_local_io_ctx.list_watchers(oid, &watchers));
ASSERT_EQ(1U, watchers.size());
// Remove
C_SaferCond on_remove;
InstanceWatcher<>::remove_instance(m_local_io_ctx, m_threads->work_queue,
"instance_id", &on_remove);
ASSERT_EQ(0, on_remove.wait());
ASSERT_EQ(-ENOENT, m_local_io_ctx.stat(oid, &size, nullptr));
get_instances(&instance_ids);
ASSERT_EQ(0U, instance_ids.size());
// Shutdown
instance_watcher.shut_down();
ASSERT_EQ(-ENOENT, m_local_io_ctx.stat(m_oid, &size, nullptr));
get_instances(&instance_ids);
ASSERT_EQ(0U, instance_ids.size());
// Remove NOENT
C_SaferCond on_remove_noent;
InstanceWatcher<>::remove_instance(m_local_io_ctx, m_threads->work_queue,
instance_id, &on_remove_noent);
ASSERT_EQ(0, on_remove_noent.wait());
}
|
