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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #include "common/ceph_argparse.h" | |
5 | #include "common/config.h" | |
6 | #include "common/debug.h" | |
7 | #include "common/errno.h" | |
11fdf7f2 | 8 | #include "common/perf_counters.h" |
7c673cae FG |
9 | #include "global/global_init.h" |
10 | #include "global/signal_handler.h" | |
11 | #include "Mirror.h" | |
11fdf7f2 | 12 | #include "Types.h" |
7c673cae FG |
13 | |
14 | #include <vector> | |
15 | ||
16 | rbd::mirror::Mirror *mirror = nullptr; | |
522d829b TL |
17 | PerfCounters *g_journal_perf_counters = nullptr; |
18 | PerfCounters *g_snapshot_perf_counters = nullptr; | |
7c673cae FG |
19 | |
20 | void usage() { | |
21 | std::cout << "usage: rbd-mirror [options...]" << std::endl; | |
22 | std::cout << "options:\n"; | |
23 | std::cout << " -m monaddress[:port] connect to specified monitor\n"; | |
24 | std::cout << " --keyring=<path> path to keyring for local cluster\n"; | |
25 | std::cout << " --log-file=<logfile> file to log debug output\n"; | |
26 | std::cout << " --debug-rbd-mirror=<log-level>/<memory-level> set rbd-mirror debug level\n"; | |
27 | generic_server_usage(); | |
28 | } | |
29 | ||
30 | static void handle_signal(int signum) | |
31 | { | |
32 | if (mirror) | |
33 | mirror->handle_signal(signum); | |
34 | } | |
35 | ||
36 | int main(int argc, const char **argv) | |
37 | { | |
20effc67 | 38 | auto args = argv_to_vec(argc, argv); |
11fdf7f2 | 39 | if (args.empty()) { |
20effc67 | 40 | std::cerr << argv[0] << ": -h or --help for usage" << std::endl; |
11fdf7f2 TL |
41 | exit(1); |
42 | } | |
43 | if (ceph_argparse_need_usage(args)) { | |
44 | usage(); | |
45 | exit(0); | |
46 | } | |
7c673cae FG |
47 | |
48 | auto cct = global_init(nullptr, args, CEPH_ENTITY_TYPE_CLIENT, | |
49 | CODE_ENVIRONMENT_DAEMON, | |
50 | CINIT_FLAG_UNPRIVILEGED_DAEMON_DEFAULTS); | |
51 | ||
11fdf7f2 | 52 | if (g_conf()->daemonize) { |
7c673cae FG |
53 | global_init_daemonize(g_ceph_context); |
54 | } | |
7c673cae FG |
55 | |
56 | common_init_finish(g_ceph_context); | |
57 | ||
58 | init_async_signal_handler(); | |
92f5a8d4 | 59 | register_async_signal_handler(SIGHUP, handle_signal); |
7c673cae FG |
60 | register_async_signal_handler_oneshot(SIGINT, handle_signal); |
61 | register_async_signal_handler_oneshot(SIGTERM, handle_signal); | |
62 | ||
20effc67 | 63 | auto cmd_args = argv_to_vec(argc, argv); |
7c673cae FG |
64 | |
65 | // disable unnecessary librbd cache | |
11fdf7f2 TL |
66 | g_ceph_context->_conf.set_val_or_die("rbd_cache", "false"); |
67 | ||
68 | auto prio = | |
69 | g_ceph_context->_conf.get_val<int64_t>("rbd_mirror_perf_stats_prio"); | |
522d829b | 70 | { |
1e59de90 | 71 | PerfCountersBuilder plb(g_ceph_context, "rbd_mirror_journal", |
522d829b TL |
72 | rbd::mirror::l_rbd_mirror_journal_first, |
73 | rbd::mirror::l_rbd_mirror_journal_last); | |
1e59de90 TL |
74 | plb.add_u64_counter(rbd::mirror::l_rbd_mirror_journal_entries, "entries", |
75 | "Number of entries replayed", nullptr, prio); | |
76 | plb.add_u64_counter(rbd::mirror::l_rbd_mirror_journal_replay_bytes, | |
77 | "replay_bytes", "Total bytes replayed", nullptr, prio, | |
78 | unit_t(UNIT_BYTES)); | |
79 | plb.add_time_avg(rbd::mirror::l_rbd_mirror_journal_replay_latency, | |
80 | "replay_latency", "Replay latency", nullptr, prio); | |
522d829b TL |
81 | g_journal_perf_counters = plb.create_perf_counters(); |
82 | } | |
83 | { | |
1e59de90 TL |
84 | PerfCountersBuilder plb( |
85 | g_ceph_context, "rbd_mirror_snapshot", | |
86 | rbd::mirror::l_rbd_mirror_snapshot_first, | |
87 | rbd::mirror::l_rbd_mirror_snapshot_remote_timestamp); | |
88 | plb.add_u64_counter(rbd::mirror::l_rbd_mirror_snapshot_snapshots, | |
89 | "snapshots", "Number of snapshots synced", nullptr, | |
90 | prio); | |
91 | plb.add_time_avg(rbd::mirror::l_rbd_mirror_snapshot_sync_time, "sync_time", | |
92 | "Average sync time", nullptr, prio); | |
93 | plb.add_u64_counter(rbd::mirror::l_rbd_mirror_snapshot_sync_bytes, | |
94 | "sync_bytes", "Total bytes synced", nullptr, prio, | |
522d829b TL |
95 | unit_t(UNIT_BYTES)); |
96 | g_snapshot_perf_counters = plb.create_perf_counters(); | |
97 | } | |
98 | g_ceph_context->get_perfcounters_collection()->add(g_journal_perf_counters); | |
99 | g_ceph_context->get_perfcounters_collection()->add(g_snapshot_perf_counters); | |
7c673cae FG |
100 | |
101 | mirror = new rbd::mirror::Mirror(g_ceph_context, cmd_args); | |
102 | int r = mirror->init(); | |
103 | if (r < 0) { | |
104 | std::cerr << "failed to initialize: " << cpp_strerror(r) << std::endl; | |
105 | goto cleanup; | |
106 | } | |
107 | ||
108 | mirror->run(); | |
109 | ||
110 | cleanup: | |
92f5a8d4 | 111 | unregister_async_signal_handler(SIGHUP, handle_signal); |
7c673cae FG |
112 | unregister_async_signal_handler(SIGINT, handle_signal); |
113 | unregister_async_signal_handler(SIGTERM, handle_signal); | |
114 | shutdown_async_signal_handler(); | |
115 | ||
522d829b TL |
116 | g_ceph_context->get_perfcounters_collection()->remove(g_journal_perf_counters); |
117 | g_ceph_context->get_perfcounters_collection()->remove(g_snapshot_perf_counters); | |
11fdf7f2 | 118 | |
7c673cae | 119 | delete mirror; |
522d829b TL |
120 | delete g_journal_perf_counters; |
121 | delete g_snapshot_perf_counters; | |
7c673cae | 122 | |
1e59de90 | 123 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
7c673cae | 124 | } |