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serve.cc
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// Copyright 2010-2012 RethinkDB, all rights reserved.
#include "clustering/administration/main/serve.hpp"
#include <stdio.h>
#include "arch/arch.hpp"
#include "arch/os_signal.hpp"
#include "clustering/administration/admin_tracker.hpp"
#include "clustering/administration/auto_reconnect.hpp"
#include "clustering/administration/http/server.hpp"
#include "clustering/administration/issues/local.hpp"
#include "clustering/administration/logger.hpp"
#include "clustering/administration/main/file_based_svs_by_namespace.hpp"
#include "clustering/administration/main/initial_join.hpp"
#include "clustering/administration/main/ports.hpp"
#include "clustering/administration/main/watchable_fields.hpp"
#include "clustering/administration/metadata.hpp"
#include "clustering/administration/namespace_interface_repository.hpp"
#include "clustering/administration/network_logger.hpp"
#include "clustering/administration/parser_maker.hpp"
#include "clustering/administration/perfmon_collection_repo.hpp"
#include "clustering/administration/persist.hpp"
#include "clustering/administration/proc_stats.hpp"
#include "clustering/administration/reactor_driver.hpp"
#include "clustering/administration/sys_stats.hpp"
#include "extproc/pool.hpp"
#include "memcached/tcp_conn.hpp"
#include "mock/dummy_protocol.hpp"
#include "mock/dummy_protocol_parser.hpp"
#include "rdb_protocol/parser.hpp"
#include "rdb_protocol/pb_server.hpp"
#include "rdb_protocol/protocol.hpp"
#include "rpc/connectivity/cluster.hpp"
#include "rpc/connectivity/multiplexer.hpp"
#include "rpc/connectivity/heartbeat.hpp"
#include "rpc/directory/read_manager.hpp"
#include "rpc/directory/write_manager.hpp"
#include "rpc/semilattice/semilattice_manager.hpp"
#include "rpc/semilattice/view/field.hpp"
std::string service_address_ports_t::get_addresses_string() const {
std::set<ip_address_t> actual_addresses = local_addresses;
bool first = true;
std::string result;
// Get the actual list for printing if we're listening on all addresses.
if (is_bind_all()) {
actual_addresses = ip_address_t::get_local_addresses(std::set<ip_address_t>(), true);
}
for (std::set<ip_address_t>::const_iterator i = actual_addresses.begin(); i != actual_addresses.end(); ++i) {
result += (first ? "" : ", " ) + i->as_dotted_decimal();
first = false;
}
return result;
}
bool service_address_ports_t::is_bind_all() const {
// If the set is empty, it means we're listening on all addresses.
return local_addresses.empty();
}
bool do_serve(
extproc::spawner_info_t *spawner_info,
io_backender_t *io_backender,
bool i_am_a_server,
// NB. filepath & persistent_file are used iff i_am_a_server is true.
const base_path_t &base_path,
metadata_persistence::cluster_persistent_file_t *cluster_metadata_file,
metadata_persistence::auth_persistent_file_t *auth_metadata_file,
const peer_address_set_t &joins,
service_address_ports_t address_ports,
std::string web_assets,
signal_t *stop_cond,
const boost::optional<std::string> &config_file) {
try {
guarantee(spawner_info);
extproc::pool_group_t extproc_pool_group(spawner_info, extproc::pool_group_t::DEFAULTS);
local_issue_tracker_t local_issue_tracker;
thread_pool_log_writer_t log_writer(&local_issue_tracker);
cluster_semilattice_metadata_t cluster_metadata;
auth_semilattice_metadata_t auth_metadata;
machine_id_t machine_id = generate_uuid();
if (cluster_metadata_file != NULL) {
machine_id = cluster_metadata_file->read_machine_id();
cluster_metadata = cluster_metadata_file->read_metadata();
}
if (auth_metadata_file != NULL) {
auth_metadata = auth_metadata_file->read_metadata();
}
#ifndef NDEBUG
logINF("Our machine ID is %s", uuid_to_str(machine_id).c_str());
#endif
connectivity_cluster_t connectivity_cluster;
message_multiplexer_t message_multiplexer(&connectivity_cluster);
message_multiplexer_t::client_t heartbeat_manager_client(&message_multiplexer, 'H');
heartbeat_manager_t heartbeat_manager(&heartbeat_manager_client);
message_multiplexer_t::client_t::run_t heartbeat_manager_client_run(&heartbeat_manager_client, &heartbeat_manager);
message_multiplexer_t::client_t mailbox_manager_client(&message_multiplexer, 'M');
mailbox_manager_t mailbox_manager(&mailbox_manager_client);
message_multiplexer_t::client_t::run_t mailbox_manager_client_run(&mailbox_manager_client, &mailbox_manager);
message_multiplexer_t::client_t semilattice_manager_client(&message_multiplexer, 'S');
semilattice_manager_t<cluster_semilattice_metadata_t> semilattice_manager_cluster(&semilattice_manager_client, cluster_metadata);
message_multiplexer_t::client_t::run_t semilattice_manager_client_run(&semilattice_manager_client, &semilattice_manager_cluster);
message_multiplexer_t::client_t auth_manager_client(&message_multiplexer, 'A');
semilattice_manager_t<auth_semilattice_metadata_t> auth_manager_cluster(&auth_manager_client, auth_metadata);
message_multiplexer_t::client_t::run_t auth_manager_client_run(&auth_manager_client, &auth_manager_cluster);
log_server_t log_server(&mailbox_manager, &log_writer);
// Initialize the stat manager before the directory manager so that we
// could initialize the cluster directory metadata with the proper
// stat_manager mailbox address
stat_manager_t stat_manager(&mailbox_manager);
metadata_change_handler_t<cluster_semilattice_metadata_t> metadata_change_handler(&mailbox_manager, semilattice_manager_cluster.get_root_view());
metadata_change_handler_t<auth_semilattice_metadata_t> auth_change_handler(&mailbox_manager, auth_manager_cluster.get_root_view());
watchable_variable_t<cluster_directory_metadata_t> our_root_directory_variable(
cluster_directory_metadata_t(
machine_id,
connectivity_cluster.get_me(),
get_ips(),
stat_manager.get_address(),
metadata_change_handler.get_request_mailbox_address(),
auth_change_handler.get_request_mailbox_address(),
log_server.get_business_card(),
i_am_a_server ? SERVER_PEER : PROXY_PEER));
message_multiplexer_t::client_t directory_manager_client(&message_multiplexer, 'D');
directory_write_manager_t<cluster_directory_metadata_t> directory_write_manager(&directory_manager_client, our_root_directory_variable.get_watchable());
directory_read_manager_t<cluster_directory_metadata_t> directory_read_manager(connectivity_cluster.get_connectivity_service());
message_multiplexer_t::client_t::run_t directory_manager_client_run(&directory_manager_client, &directory_read_manager);
network_logger_t network_logger(
connectivity_cluster.get_me(),
directory_read_manager.get_root_view(),
metadata_field(&cluster_semilattice_metadata_t::machines, semilattice_manager_cluster.get_root_view()));
message_multiplexer_t::run_t message_multiplexer_run(&message_multiplexer);
connectivity_cluster_t::run_t connectivity_cluster_run(&connectivity_cluster,
address_ports.local_addresses,
address_ports.port,
&message_multiplexer_run,
address_ports.client_port,
&heartbeat_manager);
// If (0 == port), then we asked the OS to give us a port number.
if (address_ports.port != 0) {
guarantee(address_ports.port == connectivity_cluster_run.get_port());
}
logINF("Listening for intracluster connections on port %d\n", connectivity_cluster_run.get_port());
auto_reconnector_t auto_reconnector(
&connectivity_cluster,
&connectivity_cluster_run,
directory_read_manager.get_root_view()->subview(
field_getter_t<machine_id_t, cluster_directory_metadata_t>(&cluster_directory_metadata_t::machine_id)),
metadata_field(&cluster_semilattice_metadata_t::machines, semilattice_manager_cluster.get_root_view()));
field_copier_t<std::list<local_issue_t>, cluster_directory_metadata_t> copy_local_issues_to_cluster(
&cluster_directory_metadata_t::local_issues,
local_issue_tracker.get_issues_watchable(),
&our_root_directory_variable);
admin_tracker_t admin_tracker(semilattice_manager_cluster.get_root_view(),
auth_manager_cluster.get_root_view(),
directory_read_manager.get_root_view());
perfmon_collection_t proc_stats_collection;
perfmon_membership_t proc_stats_membership(&get_global_perfmon_collection(), &proc_stats_collection, "proc");
proc_stats_collector_t proc_stats_collector(&proc_stats_collection);
perfmon_collection_t sys_stats_collection;
perfmon_membership_t sys_stats_membership(&get_global_perfmon_collection(), &sys_stats_collection, "sys");
sys_stats_collector_t sys_stats_collector(base_path, &sys_stats_collection);
scoped_ptr_t<initial_joiner_t> initial_joiner;
if (!joins.empty()) {
initial_joiner.init(new initial_joiner_t(&connectivity_cluster, &connectivity_cluster_run, joins));
try {
wait_interruptible(initial_joiner->get_ready_signal(), stop_cond);
} catch (const interrupted_exc_t &) {
return false;
}
}
perfmon_collection_repo_t perfmon_repo(&get_global_perfmon_collection());
// Namespace repos
mock::dummy_protocol_t::context_t dummy_ctx;
namespace_repo_t<mock::dummy_protocol_t> dummy_namespace_repo(&mailbox_manager,
directory_read_manager.get_root_view()->subview(
field_getter_t<namespaces_directory_metadata_t<mock::dummy_protocol_t>, cluster_directory_metadata_t>(&cluster_directory_metadata_t::dummy_namespaces)),
&dummy_ctx);
memcached_protocol_t::context_t mc_ctx;
namespace_repo_t<memcached_protocol_t> memcached_namespace_repo(&mailbox_manager,
directory_read_manager.get_root_view()->subview(
field_getter_t<namespaces_directory_metadata_t<memcached_protocol_t>, cluster_directory_metadata_t>(&cluster_directory_metadata_t::memcached_namespaces)),
&mc_ctx);
rdb_protocol_t::context_t rdb_ctx(&extproc_pool_group,
NULL,
semilattice_manager_cluster.get_root_view(),
auth_manager_cluster.get_root_view(),
&directory_read_manager,
machine_id);
namespace_repo_t<rdb_protocol_t> rdb_namespace_repo(&mailbox_manager,
directory_read_manager.get_root_view()->subview(
field_getter_t<namespaces_directory_metadata_t<rdb_protocol_t>, cluster_directory_metadata_t>(&cluster_directory_metadata_t::rdb_namespaces)),
&rdb_ctx);
//This is an annoying chicken and egg problem here
rdb_ctx.ns_repo = &rdb_namespace_repo;
{
// Reactor drivers
// Dummy
file_based_svs_by_namespace_t<mock::dummy_protocol_t> dummy_svs_source(io_backender, base_path);
scoped_ptr_t<reactor_driver_t<mock::dummy_protocol_t> > dummy_reactor_driver(!i_am_a_server ? NULL :
new reactor_driver_t<mock::dummy_protocol_t>(
base_path,
io_backender,
&mailbox_manager,
directory_read_manager.get_root_view()->subview(
field_getter_t<namespaces_directory_metadata_t<mock::dummy_protocol_t>, cluster_directory_metadata_t>(&cluster_directory_metadata_t::dummy_namespaces)),
cluster_metadata_file->get_dummy_branch_history_manager(),
metadata_field(&cluster_semilattice_metadata_t::dummy_namespaces, semilattice_manager_cluster.get_root_view()),
metadata_field(&cluster_semilattice_metadata_t::machines, semilattice_manager_cluster.get_root_view()),
directory_read_manager.get_root_view()->subview(
field_getter_t<machine_id_t, cluster_directory_metadata_t>(&cluster_directory_metadata_t::machine_id)),
&dummy_svs_source,
&perfmon_repo,
NULL));
scoped_ptr_t<field_copier_t<namespaces_directory_metadata_t<mock::dummy_protocol_t>, cluster_directory_metadata_t> >
dummy_reactor_directory_copier(!i_am_a_server ? NULL :
new field_copier_t<namespaces_directory_metadata_t<mock::dummy_protocol_t>, cluster_directory_metadata_t>(
&cluster_directory_metadata_t::dummy_namespaces,
dummy_reactor_driver->get_watchable(),
&our_root_directory_variable));
// Memcached
file_based_svs_by_namespace_t<memcached_protocol_t> memcached_svs_source(io_backender, base_path);
scoped_ptr_t<reactor_driver_t<memcached_protocol_t> > memcached_reactor_driver(!i_am_a_server ? NULL :
new reactor_driver_t<memcached_protocol_t>(
base_path,
io_backender,
&mailbox_manager,
directory_read_manager.get_root_view()->subview(
field_getter_t<namespaces_directory_metadata_t<memcached_protocol_t>, cluster_directory_metadata_t>(&cluster_directory_metadata_t::memcached_namespaces)),
cluster_metadata_file->get_memcached_branch_history_manager(),
metadata_field(&cluster_semilattice_metadata_t::memcached_namespaces, semilattice_manager_cluster.get_root_view()),
metadata_field(&cluster_semilattice_metadata_t::machines, semilattice_manager_cluster.get_root_view()),
directory_read_manager.get_root_view()->subview(
field_getter_t<machine_id_t, cluster_directory_metadata_t>(&cluster_directory_metadata_t::machine_id)),
&memcached_svs_source,
&perfmon_repo,
NULL));
scoped_ptr_t<field_copier_t<namespaces_directory_metadata_t<memcached_protocol_t>, cluster_directory_metadata_t> >
memcached_reactor_directory_copier(!i_am_a_server ? NULL :
new field_copier_t<namespaces_directory_metadata_t<memcached_protocol_t>, cluster_directory_metadata_t>(
&cluster_directory_metadata_t::memcached_namespaces,
memcached_reactor_driver->get_watchable(),
&our_root_directory_variable));
// RDB
file_based_svs_by_namespace_t<rdb_protocol_t> rdb_svs_source(io_backender, base_path);
scoped_ptr_t<reactor_driver_t<rdb_protocol_t> > rdb_reactor_driver(!i_am_a_server ? NULL :
new reactor_driver_t<rdb_protocol_t>(
base_path,
io_backender,
&mailbox_manager,
directory_read_manager.get_root_view()->subview(
field_getter_t<namespaces_directory_metadata_t<rdb_protocol_t>, cluster_directory_metadata_t>(&cluster_directory_metadata_t::rdb_namespaces)),
cluster_metadata_file->get_rdb_branch_history_manager(),
metadata_field(&cluster_semilattice_metadata_t::rdb_namespaces, semilattice_manager_cluster.get_root_view()),
metadata_field(&cluster_semilattice_metadata_t::machines, semilattice_manager_cluster.get_root_view()),
directory_read_manager.get_root_view()->subview(
field_getter_t<machine_id_t, cluster_directory_metadata_t>(&cluster_directory_metadata_t::machine_id)),
&rdb_svs_source,
&perfmon_repo,
&rdb_ctx));
scoped_ptr_t<field_copier_t<namespaces_directory_metadata_t<rdb_protocol_t>, cluster_directory_metadata_t> >
rdb_reactor_directory_copier(!i_am_a_server ? NULL :
new field_copier_t<namespaces_directory_metadata_t<rdb_protocol_t>, cluster_directory_metadata_t>(
&cluster_directory_metadata_t::rdb_namespaces,
rdb_reactor_driver->get_watchable(),
&our_root_directory_variable));
{
parser_maker_t<mock::dummy_protocol_t, mock::dummy_protocol_parser_t> dummy_parser_maker(
&mailbox_manager,
metadata_field(&cluster_semilattice_metadata_t::dummy_namespaces, semilattice_manager_cluster.get_root_view()),
address_ports.local_addresses,
address_ports.port_offset,
&dummy_namespace_repo,
&local_issue_tracker,
&perfmon_repo);
parser_maker_t<memcached_protocol_t, memcache_listener_t> memcached_parser_maker(
&mailbox_manager,
metadata_field(&cluster_semilattice_metadata_t::memcached_namespaces, semilattice_manager_cluster.get_root_view()),
address_ports.local_addresses,
address_ports.port_offset,
&memcached_namespace_repo,
&local_issue_tracker,
&perfmon_repo);
rdb_protocol::query_http_app_t rdb_parser(semilattice_manager_cluster.get_root_view(), &rdb_namespace_repo);
query2_server_t rdb_pb2_server(address_ports.local_addresses,
address_ports.reql_port, &rdb_ctx);
logINF("Listening for client driver connections on port %d\n",
rdb_pb2_server.get_port());
scoped_ptr_t<metadata_persistence::semilattice_watching_persister_t<cluster_semilattice_metadata_t> >
cluster_metadata_persister(!i_am_a_server ? NULL :
new metadata_persistence::semilattice_watching_persister_t<cluster_semilattice_metadata_t>(
cluster_metadata_file,
semilattice_manager_cluster.get_root_view()));
scoped_ptr_t<metadata_persistence::semilattice_watching_persister_t<auth_semilattice_metadata_t> >
auth_metadata_persister(!i_am_a_server ? NULL :
new metadata_persistence::semilattice_watching_persister_t<auth_semilattice_metadata_t>(
auth_metadata_file,
auth_manager_cluster.get_root_view()));
{
scoped_ptr_t<administrative_http_server_manager_t> admin_server_ptr;
if (address_ports.http_admin_is_disabled) {
logINF("Administrative HTTP connections are disabled.\n");
} else {
// TODO: Pardon me what, but is this how we fail here?
guarantee(address_ports.http_port < 65536);
admin_server_ptr.init(
new administrative_http_server_manager_t(
address_ports.local_addresses,
address_ports.http_port,
&mailbox_manager,
&metadata_change_handler,
&auth_change_handler,
semilattice_manager_cluster.get_root_view(),
directory_read_manager.get_root_view(),
&memcached_namespace_repo,
&rdb_namespace_repo,
&admin_tracker,
rdb_pb2_server.get_http_app(),
machine_id,
web_assets));
logINF("Listening for administrative HTTP connections on port %d\n", admin_server_ptr->get_port());
}
const std::string addresses_string = address_ports.get_addresses_string();
logINF("Listening on addresses: %s\n", addresses_string.c_str());
if (!address_ports.is_bind_all()) {
logINF("To fully expose RethinkDB on the network, bind to all addresses");
if(config_file) {
logINF("by adding `bind=all' to the config file (%s).", (*config_file).c_str());
} else {
logINF("by running rethinkdb with the `--bind all` command line option.");
}
}
logINF("Server ready\n");
stop_cond->wait_lazily_unordered();
logINF("Server got SIGINT; shutting down...\n");
}
cond_t non_interruptor;
if (i_am_a_server) {
cluster_metadata_persister->stop_and_flush(&non_interruptor);
auth_metadata_persister->stop_and_flush(&non_interruptor);
}
logINF("Shutting down client connections...\n");
}
logINF("All client connections closed.\n");
logINF("Shutting down storage engine... (This may take a while if you had a lot of unflushed data in the writeback cache.)\n");
}
logINF("Storage engine shut down.\n");
return true;
} catch (const address_in_use_exc_t &e) {
nice_crash("%s. Cannot bind to cluster port. Exiting.\n", e.what());
}
}
bool serve(extproc::spawner_info_t *spawner_info,
io_backender_t *io_backender,
const base_path_t &base_path,
metadata_persistence::cluster_persistent_file_t *cluster_persistent_file,
metadata_persistence::auth_persistent_file_t *auth_persistent_file,
const peer_address_set_t &joins,
service_address_ports_t address_ports,
std::string web_assets,
signal_t *stop_cond,
const boost::optional<std::string>& config_file) {
return do_serve(spawner_info,
io_backender,
true,
base_path,
cluster_persistent_file,
auth_persistent_file,
joins,
address_ports,
web_assets,
stop_cond,
config_file);
}
bool serve_proxy(extproc::spawner_info_t *spawner_info,
const peer_address_set_t &joins,
service_address_ports_t address_ports,
std::string web_assets,
signal_t *stop_cond,
const boost::optional<std::string>& config_file) {
// TODO: filepath doesn't _seem_ ignored.
// filepath and persistent_file are ignored for proxies, so we use the empty string & NULL respectively.
return do_serve(spawner_info,
NULL,
false,
base_path_t(""),
NULL,
NULL,
joins,
address_ports,
web_assets,
stop_cond,
config_file);
}