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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
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2011 New Dream Network
*
* 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 "include/compat.h"
#include <sys/types.h>
#include <string.h>
#include <chrono>
#include "include/types.h"
#include "include/rados/librgw.h"
#include "rgw/rgw_acl_s3.h"
#include "rgw_acl.h"
#include "include/str_list.h"
#include "include/stringify.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/Throttle.h"
#include "common/WorkQueue.h"
#include "common/ceph_argparse.h"
#include "common/ceph_context.h"
#include "common/common_init.h"
#include "common/dout.h"
#include "rgw_resolve.h"
#include "rgw_op.h"
#include "rgw_rest.h"
#include "rgw_frontend.h"
#include "rgw_request.h"
#include "rgw_process.h"
#include "rgw_rest_user.h"
#include "rgw_rest_s3.h"
#include "rgw_os_lib.h"
#include "rgw_auth.h"
#include "rgw_auth_s3.h"
#include "rgw_lib.h"
#include "rgw_lib_frontend.h"
#include "rgw_http_client.h"
#include "rgw_http_client_curl.h"
#include "rgw_perf_counters.h"
#ifdef WITH_RADOSGW_AMQP_ENDPOINT
#include "rgw_amqp.h"
#endif
#ifdef WITH_RADOSGW_KAFKA_ENDPOINT
#include "rgw_kafka.h"
#endif
#include "services/svc_zone.h"
#include <errno.h>
#include <thread>
#include <string>
#include <mutex>
#define dout_subsys ceph_subsys_rgw
bool global_stop = false;
static void handle_sigterm(int signum)
{
dout(20) << __func__ << " SIGUSR1 ignored" << dendl;
}
namespace rgw {
using std::string;
static std::mutex librgw_mtx;
RGWLib rgwlib;
class C_InitTimeout : public Context {
public:
C_InitTimeout() {}
void finish(int r) override {
derr << "Initialization timeout, failed to initialize" << dendl;
exit(1);
}
};
void RGWLibProcess::checkpoint()
{
m_tp.drain(&req_wq);
}
#define MIN_EXPIRE_S 120
void RGWLibProcess::run()
{
/* write completion interval */
RGWLibFS::write_completion_interval_s =
cct->_conf->rgw_nfs_write_completion_interval_s;
/* start write timer */
RGWLibFS::write_timer.resume();
/* gc loop */
while (! shutdown) {
lsubdout(cct, rgw, 5) << "RGWLibProcess GC" << dendl;
/* dirent invalidate timeout--basically, the upper-bound on
* inconsistency with the S3 namespace */
auto expire_s = cct->_conf->rgw_nfs_namespace_expire_secs;
/* delay between gc cycles */
auto delay_s = std::max(int64_t(1), std::min(int64_t(MIN_EXPIRE_S), expire_s/2));
unique_lock uniq(mtx);
restart:
int cur_gen = gen;
for (auto iter = mounted_fs.begin(); iter != mounted_fs.end();
++iter) {
RGWLibFS* fs = iter->first->ref();
uniq.unlock();
fs->gc();
const DoutPrefix dp(cct, dout_subsys, "librgw: ");
fs->update_user(&dp);
fs->rele();
uniq.lock();
if (cur_gen != gen)
goto restart; /* invalidated */
}
cv.wait_for(uniq, std::chrono::seconds(delay_s));
uniq.unlock();
}
}
void RGWLibProcess::handle_request(const DoutPrefixProvider *dpp, RGWRequest* r)
{
/*
* invariant: valid requests are derived from RGWLibRequst
*/
RGWLibRequest* req = static_cast<RGWLibRequest*>(r);
// XXX move RGWLibIO and timing setup into process_request
#if 0 /* XXX */
utime_t tm = ceph_clock_now();
#endif
RGWLibIO io_ctx;
int ret = process_request(req, &io_ctx);
if (ret < 0) {
/* we don't really care about return code */
dout(20) << "process_request() returned " << ret << dendl;
}
delete req;
} /* handle_request */
int RGWLibProcess::process_request(RGWLibRequest* req)
{
// XXX move RGWLibIO and timing setup into process_request
#if 0 /* XXX */
utime_t tm = ceph_clock_now();
#endif
RGWLibIO io_ctx;
int ret = process_request(req, &io_ctx);
if (ret < 0) {
/* we don't really care about return code */
dout(20) << "process_request() returned " << ret << dendl;
}
return ret;
} /* process_request */
static inline void abort_req(struct req_state *s, RGWOp *op, int err_no)
{
if (!s)
return;
/* XXX the dump_errno and dump_bucket_from_state behaviors in
* the abort_early (rgw_rest.cc) might be valuable, but aren't
* safe to call presently as they return HTTP data */
perfcounter->inc(l_rgw_failed_req);
} /* abort_req */
int RGWLibProcess::process_request(RGWLibRequest* req, RGWLibIO* io)
{
int ret = 0;
bool should_log = true; // XXX
dout(1) << "====== " << __func__
<< " starting new request req=" << hex << req << dec
<< " ======" << dendl;
/*
* invariant: valid requests are derived from RGWOp--well-formed
* requests should have assigned RGWRequest::op in their descendant
* constructor--if not, the compiler can find it, at the cost of
* a runtime check
*/
RGWOp *op = (req->op) ? req->op : dynamic_cast<RGWOp*>(req);
if (! op) {
ldpp_dout(op, 1) << "failed to derive cognate RGWOp (invalid op?)" << dendl;
return -EINVAL;
}
io->init(req->cct);
perfcounter->inc(l_rgw_req);
RGWEnv& rgw_env = io->get_env();
/* XXX
* until major refactoring of req_state and req_info, we need
* to build their RGWEnv boilerplate from the RGWLibRequest,
* pre-staging any strings (HTTP_HOST) that provoke a crash when
* not found
*/
/* XXX for now, use ""; could be a legit hostname, or, in future,
* perhaps a tenant (Yehuda) */
rgw_env.set("HTTP_HOST", "");
/* XXX and -then- bloat up req_state with string copies from it */
struct req_state rstate(req->cct, &rgw_env, req->id);
struct req_state *s = &rstate;
// XXX fix this
s->cio = io;
RGWObjectCtx rados_ctx(store, s); // XXX holds std::map
auto sysobj_ctx = store->svc()->sysobj->init_obj_ctx();
s->sysobj_ctx = &sysobj_ctx;
/* XXX and -then- stash req_state pointers everywhere they are needed */
ret = req->init(rgw_env, &rados_ctx, io, s);
if (ret < 0) {
ldpp_dout(op, 10) << "failed to initialize request" << dendl;
abort_req(s, op, ret);
goto done;
}
/* req is-a RGWOp, currently initialized separately */
ret = req->op_init();
if (ret < 0) {
dout(10) << "failed to initialize RGWOp" << dendl;
abort_req(s, op, ret);
goto done;
}
/* now expected by rgw_log_op() */
rgw_env.set("REQUEST_METHOD", s->info.method);
rgw_env.set("REQUEST_URI", s->info.request_uri);
rgw_env.set("QUERY_STRING", "");
try {
/* XXX authorize does less here then in the REST path, e.g.,
* the user's info is cached, but still incomplete */
ldpp_dout(s, 2) << "authorizing" << dendl;
ret = req->authorize(op, null_yield);
if (ret < 0) {
dout(10) << "failed to authorize request" << dendl;
abort_req(s, op, ret);
goto done;
}
/* FIXME: remove this after switching all handlers to the new
* authentication infrastructure. */
if (! s->auth.identity) {
s->auth.identity = rgw::auth::transform_old_authinfo(s);
}
ldpp_dout(s, 2) << "reading op permissions" << dendl;
ret = req->read_permissions(op, null_yield);
if (ret < 0) {
abort_req(s, op, ret);
goto done;
}
ldpp_dout(s, 2) << "init op" << dendl;
ret = op->init_processing(null_yield);
if (ret < 0) {
abort_req(s, op, ret);
goto done;
}
ldpp_dout(s, 2) << "verifying op mask" << dendl;
ret = op->verify_op_mask();
if (ret < 0) {
abort_req(s, op, ret);
goto done;
}
ldpp_dout(s, 2) << "verifying op permissions" << dendl;
ret = op->verify_permission(null_yield);
if (ret < 0) {
if (s->system_request) {
ldpp_dout(op, 2) << "overriding permissions due to system operation" << dendl;
} else if (s->auth.identity->is_admin_of(s->user->get_id())) {
ldpp_dout(op, 2) << "overriding permissions due to admin operation" << dendl;
} else {
abort_req(s, op, ret);
goto done;
}
}
ldpp_dout(s, 2) << "verifying op params" << dendl;
ret = op->verify_params();
if (ret < 0) {
abort_req(s, op, ret);
goto done;
}
ldpp_dout(s, 2) << "executing" << dendl;
op->pre_exec();
op->execute(null_yield);
op->complete();
} catch (const ceph::crypto::DigestException& e) {
dout(0) << "authentication failed" << e.what() << dendl;
abort_req(s, op, -ERR_INVALID_SECRET_KEY);
}
done:
try {
io->complete_request();
} catch (rgw::io::Exception& e) {
dout(0) << "ERROR: io->complete_request() returned "
<< e.what() << dendl;
}
if (should_log) {
rgw_log_op(nullptr /* !rest */, s, op, olog);
}
int http_ret = s->err.http_ret;
ldpp_dout(s, 2) << "http status=" << http_ret << dendl;
ldpp_dout(op, 1) << "====== " << __func__
<< " req done req=" << hex << req << dec << " http_status="
<< http_ret
<< " ======" << dendl;
return (ret < 0 ? ret : s->err.ret);
} /* process_request */
int RGWLibProcess::start_request(RGWLibContinuedReq* req)
{
dout(1) << "====== " << __func__
<< " starting new continued request req=" << hex << req << dec
<< " ======" << dendl;
/*
* invariant: valid requests are derived from RGWOp--well-formed
* requests should have assigned RGWRequest::op in their descendant
* constructor--if not, the compiler can find it, at the cost of
* a runtime check
*/
RGWOp *op = (req->op) ? req->op : dynamic_cast<RGWOp*>(req);
if (! op) {
ldpp_dout(op, 1) << "failed to derive cognate RGWOp (invalid op?)" << dendl;
return -EINVAL;
}
struct req_state* s = req->get_state();
RGWLibIO& io_ctx = req->get_io();
RGWEnv& rgw_env = io_ctx.get_env();
RGWObjectCtx& rados_ctx = req->get_octx();
rgw_env.set("HTTP_HOST", "");
int ret = req->init(rgw_env, &rados_ctx, &io_ctx, s);
if (ret < 0) {
ldpp_dout(op, 10) << "failed to initialize request" << dendl;
abort_req(s, op, ret);
goto done;
}
/* req is-a RGWOp, currently initialized separately */
ret = req->op_init();
if (ret < 0) {
dout(10) << "failed to initialize RGWOp" << dendl;
abort_req(s, op, ret);
goto done;
}
/* XXX authorize does less here then in the REST path, e.g.,
* the user's info is cached, but still incomplete */
ldpp_dout(s, 2) << "authorizing" << dendl;
ret = req->authorize(op, null_yield);
if (ret < 0) {
dout(10) << "failed to authorize request" << dendl;
abort_req(s, op, ret);
goto done;
}
/* FIXME: remove this after switching all handlers to the new authentication
* infrastructure. */
if (! s->auth.identity) {
s->auth.identity = rgw::auth::transform_old_authinfo(s);
}
ldpp_dout(s, 2) << "reading op permissions" << dendl;
ret = req->read_permissions(op, null_yield);
if (ret < 0) {
abort_req(s, op, ret);
goto done;
}
ldpp_dout(s, 2) << "init op" << dendl;
ret = op->init_processing(null_yield);
if (ret < 0) {
abort_req(s, op, ret);
goto done;
}
ldpp_dout(s, 2) << "verifying op mask" << dendl;
ret = op->verify_op_mask();
if (ret < 0) {
abort_req(s, op, ret);
goto done;
}
ldpp_dout(s, 2) << "verifying op permissions" << dendl;
ret = op->verify_permission(null_yield);
if (ret < 0) {
if (s->system_request) {
ldpp_dout(op, 2) << "overriding permissions due to system operation" << dendl;
} else if (s->auth.identity->is_admin_of(s->user->get_id())) {
ldpp_dout(op, 2) << "overriding permissions due to admin operation" << dendl;
} else {
abort_req(s, op, ret);
goto done;
}
}
ldpp_dout(s, 2) << "verifying op params" << dendl;
ret = op->verify_params();
if (ret < 0) {
abort_req(s, op, ret);
goto done;
}
op->pre_exec();
req->exec_start();
done:
return (ret < 0 ? ret : s->err.ret);
}
int RGWLibProcess::finish_request(RGWLibContinuedReq* req)
{
RGWOp *op = (req->op) ? req->op : dynamic_cast<RGWOp*>(req);
if (! op) {
ldpp_dout(op, 1) << "failed to derive cognate RGWOp (invalid op?)" << dendl;
return -EINVAL;
}
int ret = req->exec_finish();
int op_ret = op->get_ret();
ldpp_dout(op, 1) << "====== " << __func__
<< " finishing continued request req=" << hex << req << dec
<< " op status=" << op_ret
<< " ======" << dendl;
perfcounter->inc(l_rgw_req);
return ret;
}
int RGWLibFrontend::init()
{
pprocess = new RGWLibProcess(g_ceph_context, &env,
g_conf()->rgw_thread_pool_size, conf);
return 0;
}
int RGWLib::init()
{
vector<const char*> args;
return init(args);
}
int RGWLib::init(vector<const char*>& args)
{
int r = 0;
/* alternative default for module */
map<string,string> defaults = {
{ "debug_rgw", "1/5" },
{ "keyring", "$rgw_data/keyring" },
{ "log_file", "/var/log/radosgw/$cluster-$name.log" }
};
cct = global_init(&defaults, args,
CEPH_ENTITY_TYPE_CLIENT,
CODE_ENVIRONMENT_DAEMON,
CINIT_FLAG_UNPRIVILEGED_DAEMON_DEFAULTS);
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);
rgw_tools_init(g_ceph_context);
rgw_init_resolver();
rgw::curl::setup_curl(boost::none);
rgw_http_client_init(g_ceph_context);
auto run_gc =
g_conf()->rgw_enable_gc_threads &&
g_conf()->rgw_nfs_run_gc_threads;
auto run_lc =
g_conf()->rgw_enable_lc_threads &&
g_conf()->rgw_nfs_run_lc_threads;
auto run_quota =
g_conf()->rgw_enable_quota_threads &&
g_conf()->rgw_nfs_run_quota_threads;
auto run_sync =
g_conf()->rgw_run_sync_thread &&
g_conf()->rgw_nfs_run_sync_thread;
store = RGWStoreManager::get_storage(this, g_ceph_context,
run_gc,
run_lc,
run_quota,
run_sync,
g_conf().get_val<bool>("rgw_dynamic_resharding"));
if (!store) {
mutex.lock();
init_timer.cancel_all_events();
init_timer.shutdown();
mutex.unlock();
derr << "Couldn't init storage provider (RADOS)" << dendl;
return -EIO;
}
r = rgw_perf_start(g_ceph_context);
rgw_rest_init(g_ceph_context, store->svc()->zone->get_zonegroup());
mutex.lock();
init_timer.cancel_all_events();
init_timer.shutdown();
mutex.unlock();
if (r)
return -EIO;
const string& ldap_uri = store->ctx()->_conf->rgw_ldap_uri;
const string& ldap_binddn = store->ctx()->_conf->rgw_ldap_binddn;
const string& ldap_searchdn = store->ctx()->_conf->rgw_ldap_searchdn;
const string& ldap_searchfilter = store->ctx()->_conf->rgw_ldap_searchfilter;
const string& ldap_dnattr =
store->ctx()->_conf->rgw_ldap_dnattr;
std::string ldap_bindpw = parse_rgw_ldap_bindpw(store->ctx());
ldh = new rgw::LDAPHelper(ldap_uri, ldap_binddn, ldap_bindpw.c_str(),
ldap_searchdn, ldap_searchfilter, ldap_dnattr);
ldh->init();
ldh->bind();
rgw_log_usage_init(g_ceph_context, store->getRados());
// XXX ex-RGWRESTMgr_lib, mgr->set_logging(true)
OpsLogManifold* olog_manifold = new OpsLogManifold();
if (!g_conf()->rgw_ops_log_socket_path.empty()) {
OpsLogSocket* olog_socket = new OpsLogSocket(g_ceph_context, g_conf()->rgw_ops_log_data_backlog);
olog_socket->init(g_conf()->rgw_ops_log_socket_path);
olog_manifold->add_sink(olog_socket);
}
OpsLogFile* ops_log_file;
if (!g_conf()->rgw_ops_log_file_path.empty()) {
ops_log_file = new OpsLogFile(g_ceph_context, g_conf()->rgw_ops_log_file_path, g_conf()->rgw_ops_log_data_backlog);
ops_log_file->start();
olog_manifold->add_sink(ops_log_file);
}
olog_manifold->add_sink(new OpsLogRados(store));
olog = olog_manifold;
int port = 80;
RGWProcessEnv env = { store, &rest, olog, port };
string fe_count{"0"};
fec = new RGWFrontendConfig("rgwlib");
fe = new RGWLibFrontend(env, fec);
init_async_signal_handler();
register_async_signal_handler(SIGUSR1, handle_sigterm);
map<string, string> service_map_meta;
service_map_meta["pid"] = stringify(getpid());
service_map_meta["frontend_type#" + fe_count] = "rgw-nfs";
service_map_meta["frontend_config#" + fe_count] = fec->get_config();
fe->init();
if (r < 0) {
derr << "ERROR: failed initializing frontend" << dendl;
return r;
}
fe->run();
r = store->getRados()->register_to_service_map("rgw-nfs", service_map_meta);
if (r < 0) {
derr << "ERROR: failed to register to service map: " << cpp_strerror(-r) << dendl;
/* ignore error */
}
#ifdef WITH_RADOSGW_AMQP_ENDPOINT
if (!rgw::amqp::init(cct.get())) {
derr << "ERROR: failed to initialize AMQP manager" << dendl;
}
#endif
#ifdef WITH_RADOSGW_KAFKA_ENDPOINT
if (!rgw::kafka::init(cct.get())) {
derr << "ERROR: failed to initialize Kafka manager" << dendl;
}
#endif
return 0;
} /* RGWLib::init() */
int RGWLib::stop()
{
derr << "shutting down" << dendl;
fe->stop();
fe->join();
delete fe;
delete fec;
delete ldh;
unregister_async_signal_handler(SIGUSR1, handle_sigterm);
shutdown_async_signal_handler();
rgw_log_usage_finalize();
delete olog;
RGWStoreManager::close_storage(store);
rgw_tools_cleanup();
rgw_shutdown_resolver();
rgw_http_client_cleanup();
rgw::curl::cleanup_curl();
#ifdef WITH_RADOSGW_AMQP_ENDPOINT
rgw::amqp::shutdown();
#endif
#ifdef WITH_RADOSGW_KAFKA_ENDPOINT
rgw::kafka::shutdown();
#endif
rgw_perf_stop(g_ceph_context);
dout(1) << "final shutdown" << dendl;
cct.reset();
return 0;
} /* RGWLib::stop() */
int RGWLibIO::set_uid(rgw::sal::RGWRadosStore *store, const rgw_user& uid)
{
const DoutPrefix dp(store->ctx(), dout_subsys, "librgw: ");
int ret = store->ctl()->user->get_info_by_uid(&dp, uid, &user_info, null_yield);
if (ret < 0) {
derr << "ERROR: failed reading user info: uid=" << uid << " ret="
<< ret << dendl;
}
return ret;
}
int RGWLibRequest::read_permissions(RGWOp* op, optional_yield y) {
/* bucket and object ops */
int ret =
rgw_build_bucket_policies(op, rgwlib.get_store(), get_state(), y);
if (ret < 0) {
ldpp_dout(op, 10) << "read_permissions (bucket policy) on "
<< get_state()->bucket << ":"
<< get_state()->object
<< " only_bucket=" << only_bucket()
<< " ret=" << ret << dendl;
if (ret == -ENODATA)
ret = -EACCES;
} else if (! only_bucket()) {
/* object ops */
ret = rgw_build_object_policies(op, rgwlib.get_store(), get_state(),
op->prefetch_data(), y);
if (ret < 0) {
ldpp_dout(op, 10) << "read_permissions (object policy) on"
<< get_state()->bucket << ":"
<< get_state()->object
<< " ret=" << ret << dendl;
if (ret == -ENODATA)
ret = -EACCES;
}
}
return ret;
} /* RGWLibRequest::read_permissions */
int RGWHandler_Lib::authorize(const DoutPrefixProvider *dpp, optional_yield y)
{
/* TODO: handle
* 1. subusers
* 2. anonymous access
* 3. system access
* 4. ?
*
* Much or all of this depends on handling the cached authorization
* correctly (e.g., dealing with keystone) at mount time.
*/
s->perm_mask = RGW_PERM_FULL_CONTROL;
// populate the owner info
s->owner.set_id(s->user->get_id());
s->owner.set_name(s->user->get_display_name());
return 0;
} /* RGWHandler_Lib::authorize */
} /* namespace rgw */
extern "C" {
int librgw_create(librgw_t* rgw, int argc, char **argv)
{
using namespace rgw;
int rc = -EINVAL;
if (! g_ceph_context) {
std::lock_guard<std::mutex> lg(librgw_mtx);
if (! g_ceph_context) {
vector<const char*> args;
std::vector<std::string> spl_args;
// last non-0 argument will be split and consumed
if (argc > 1) {
const std::string spl_arg{argv[(--argc)]};
get_str_vec(spl_arg, " \t", spl_args);
}
argv_to_vec(argc, const_cast<const char**>(argv), args);
// append split args, if any
for (const auto& elt : spl_args) {
args.push_back(elt.c_str());
}
rc = rgwlib.init(args);
}
}
*rgw = g_ceph_context->get();
return rc;
}
void librgw_shutdown(librgw_t rgw)
{
using namespace rgw;
CephContext* cct = static_cast<CephContext*>(rgw);
rgwlib.stop();
cct->put();
}
} /* extern "C" */
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