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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab ft=cpp
#include <boost/intrusive/list.hpp>
#include "common/ceph_argparse.h"
#include "global/global_init.h"
#include "global/signal_handler.h"
#include "common/config.h"
#include "common/errno.h"
#include "common/Timer.h"
#include "common/TracepointProvider.h"
#include "rgw_main.h"
#include "rgw_signal.h"
#include "rgw_common.h"
#include "rgw_lib.h"
#include "rgw_log.h"
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
#endif
using namespace std;
static constexpr auto dout_subsys = ceph_subsys_rgw;
static sig_t sighandler_alrm;
static void godown_alarm(int signum)
{
_exit(0);
}
class C_InitTimeout : public Context {
public:
C_InitTimeout() {}
void finish(int r) override {
derr << "Initialization timeout, failed to initialize" << dendl;
exit(1);
}
};
static int usage()
{
cout << "usage: radosgw [options...]" << std::endl;
cout << "options:\n";
cout << " --rgw-region=<region> region in which radosgw runs\n";
cout << " --rgw-zone=<zone> zone in which radosgw runs\n";
cout << " --rgw-socket-path=<path> specify a unix domain socket path\n";
cout << " -m monaddress[:port] connect to specified monitor\n";
cout << " --keyring=<path> path to radosgw keyring\n";
cout << " --logfile=<logfile> file to log debug output\n";
cout << " --debug-rgw=<log-level>/<memory-level> set radosgw debug level\n";
generic_server_usage();
return 0;
}
/*
* start up the RADOS connection and then handle HTTP messages as they come in
*/
int main(int argc, char *argv[])
{
int r{0};
// dout() messages will be sent to stderr, but FCGX wants messages on stdout
// Redirect stderr to stdout.
TEMP_FAILURE_RETRY(close(STDERR_FILENO));
if (TEMP_FAILURE_RETRY(dup2(STDOUT_FILENO, STDERR_FILENO)) < 0) {
int err = errno;
cout << "failed to redirect stderr to stdout: " << cpp_strerror(err)
<< std::endl;
return ENOSYS;
}
/* alternative default for module */
map<std::string,std::string> defaults = {
{ "debug_rgw", "1/5" },
{ "keyring", "$rgw_data/keyring" },
{ "objecter_inflight_ops", "24576" },
// require a secure mon connection by default
{ "ms_mon_client_mode", "secure" },
{ "auth_client_required", "cephx" }
};
auto args = argv_to_vec(argc, argv);
if (args.empty()) {
cerr << argv[0] << ": -h or --help for usage" << std::endl;
exit(1);
}
if (ceph_argparse_need_usage(args)) {
usage();
exit(0);
}
int flags = CINIT_FLAG_UNPRIVILEGED_DAEMON_DEFAULTS;
// Prevent global_init() from dropping permissions until frontends can bind
// privileged ports
flags |= CINIT_FLAG_DEFER_DROP_PRIVILEGES;
auto cct = rgw_global_init(&defaults, args, CEPH_ENTITY_TYPE_CLIENT,
CODE_ENVIRONMENT_DAEMON, flags);
DoutPrefix dp(cct.get(), dout_subsys, "rgw main: ");
rgw::AppMain main(&dp);
main.init_frontends1(false /* nfs */);
main.init_numa();
if (g_conf()->daemonize) {
global_init_daemonize(g_ceph_context);
}
ceph::mutex mutex = ceph::make_mutex("main");
SafeTimer init_timer(g_ceph_context, mutex);
init_timer.init();
mutex.lock();
init_timer.add_event_after(g_conf()->rgw_init_timeout, new C_InitTimeout);
mutex.unlock();
common_init_finish(g_ceph_context);
init_async_signal_handler();
/* XXXX check locations thru sighandler_alrm */
register_async_signal_handler(SIGHUP, rgw::signal::sighup_handler);
r = rgw::signal::signal_fd_init();
if (r < 0) {
derr << "ERROR: unable to initialize signal fds" << dendl;
exit(1);
}
register_async_signal_handler(SIGTERM, rgw::signal::handle_sigterm);
register_async_signal_handler(SIGINT, rgw::signal::handle_sigterm);
register_async_signal_handler(SIGUSR1, rgw::signal::handle_sigterm);
sighandler_alrm = signal(SIGALRM, godown_alarm);
main.init_perfcounters();
main.init_http_clients();
main.init_storage();
if (! main.get_driver()) {
mutex.lock();
init_timer.cancel_all_events();
init_timer.shutdown();
mutex.unlock();
derr << "Couldn't init storage provider (RADOS)" << dendl;
return EIO;
}
main.cond_init_apis();
mutex.lock();
init_timer.cancel_all_events();
init_timer.shutdown();
mutex.unlock();
main.init_ldap();
main.init_opslog();
main.init_tracepoints();
main.init_lua();
main.init_frontends2(nullptr /* RGWLib */);
main.init_notification_endpoints();
#if defined(HAVE_SYS_PRCTL_H)
if (prctl(PR_SET_DUMPABLE, 1) == -1) {
cerr << "warning: unable to set dumpable flag: " << cpp_strerror(errno) << std::endl;
}
#endif
rgw::signal::wait_shutdown();
derr << "shutting down" << dendl;
const auto finalize_async_signals = []() {
unregister_async_signal_handler(SIGHUP, rgw::signal::sighup_handler);
unregister_async_signal_handler(SIGTERM, rgw::signal::handle_sigterm);
unregister_async_signal_handler(SIGINT, rgw::signal::handle_sigterm);
unregister_async_signal_handler(SIGUSR1, rgw::signal::handle_sigterm);
shutdown_async_signal_handler();
};
main.shutdown(finalize_async_signals);
dout(1) << "final shutdown" << dendl;
rgw::signal::signal_fd_finalize();
return 0;
} /* main(int argc, char* argv[]) */
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