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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "crimson/admin/osd_admin.h"
#include <string>
#include <string_view>
#include <fmt/format.h>
#include <seastar/core/do_with.hh>
#include <seastar/core/future.hh>
#include <seastar/core/thread.hh>
#include <seastar/core/scollectd_api.hh>
#include "common/config.h"
#include "crimson/admin/admin_socket.h"
#include "crimson/common/log.h"
#include "crimson/osd/exceptions.h"
#include "crimson/osd/osd.h"
using crimson::osd::OSD;
using namespace crimson::common;
namespace crimson::admin {
using crimson::common::local_conf;
template <class Hook, class... Args>
std::unique_ptr<AdminSocketHook> make_asok_hook(Args&&... args)
{
return std::make_unique<Hook>(std::forward<Args>(args)...);
}
/**
* An OSD admin hook: OSD status
*/
class OsdStatusHook : public AdminSocketHook {
public:
explicit OsdStatusHook(const crimson::osd::OSD& osd) :
AdminSocketHook{"status", "", "OSD status"},
osd(osd)
{}
seastar::future<tell_result_t> call(const cmdmap_t&,
std::string_view format,
ceph::bufferlist&& input) const final
{
unique_ptr<Formatter> f{Formatter::create(format, "json-pretty", "json-pretty")};
f->open_object_section("status");
osd.dump_status(f.get());
f->close_section();
return seastar::make_ready_future<tell_result_t>(std::move(f));
}
private:
const crimson::osd::OSD& osd;
};
template std::unique_ptr<AdminSocketHook>
make_asok_hook<OsdStatusHook>(const crimson::osd::OSD& osd);
/**
* An OSD admin hook: send beacon
*/
class SendBeaconHook : public AdminSocketHook {
public:
explicit SendBeaconHook(crimson::osd::OSD& osd) :
AdminSocketHook{"send_beacon",
"",
"send OSD beacon to mon immediately"},
osd(osd)
{}
seastar::future<tell_result_t> call(const cmdmap_t&,
std::string_view format,
ceph::bufferlist&& input) const final
{
return osd.send_beacon().then([] {
return seastar::make_ready_future<tell_result_t>();
});
}
private:
crimson::osd::OSD& osd;
};
template std::unique_ptr<AdminSocketHook>
make_asok_hook<SendBeaconHook>(crimson::osd::OSD& osd);
/**
* send the latest pg stats to mgr
*/
class FlushPgStatsHook : public AdminSocketHook {
public:
explicit FlushPgStatsHook(crimson::osd::OSD& osd) :
AdminSocketHook("flush_pg_stats",
"",
"flush pg stats"),
osd{osd}
{}
seastar::future<tell_result_t> call(const cmdmap_t&,
std::string_view format,
ceph::bufferlist&& input) const final
{
uint64_t seq = osd.send_pg_stats();
unique_ptr<Formatter> f{Formatter::create(format, "json-pretty", "json-pretty")};
f->dump_unsigned("stat_seq", seq);
return seastar::make_ready_future<tell_result_t>(std::move(f));
}
private:
crimson::osd::OSD& osd;
};
template std::unique_ptr<AdminSocketHook> make_asok_hook<FlushPgStatsHook>(crimson::osd::OSD& osd);
/// dump the history of PGs' peering state
class DumpPGStateHistory final: public AdminSocketHook {
public:
explicit DumpPGStateHistory(const crimson::osd::OSD &osd) :
AdminSocketHook{"dump_pgstate_history",
"",
"dump history of PGs' peering state"},
osd{osd}
{}
seastar::future<tell_result_t> call(const cmdmap_t&,
std::string_view format,
ceph::bufferlist&& input) const final
{
std::unique_ptr<Formatter> f{Formatter::create(format,
"json-pretty",
"json-pretty")};
f->open_object_section("pgstate_history");
osd.dump_pg_state_history(f.get());
f->close_section();
return seastar::make_ready_future<tell_result_t>(std::move(f));
}
private:
const crimson::osd::OSD& osd;
};
template std::unique_ptr<AdminSocketHook> make_asok_hook<DumpPGStateHistory>(const crimson::osd::OSD& osd);
/**
* A CephContext admin hook: calling assert (if allowed by
* 'debug_asok_assert_abort')
*/
class AssertAlwaysHook : public AdminSocketHook {
public:
AssertAlwaysHook() :
AdminSocketHook{"assert",
"",
"asserts"}
{}
seastar::future<tell_result_t> call(const cmdmap_t&,
std::string_view format,
ceph::bufferlist&& input) const final
{
if (local_conf().get_val<bool>("debug_asok_assert_abort")) {
ceph_assert_always(0);
return seastar::make_ready_future<tell_result_t>();
} else {
return seastar::make_ready_future<tell_result_t>(
tell_result_t{-EPERM, "configuration set to disallow asok assert"});
}
}
};
template std::unique_ptr<AdminSocketHook> make_asok_hook<AssertAlwaysHook>();
/**
* A Seastar admin hook: fetching the values of configured metrics
*/
class SeastarMetricsHook : public AdminSocketHook {
public:
SeastarMetricsHook() :
AdminSocketHook("perf dump_seastar",
"",
"dump current configured seastar metrics and their values")
{}
seastar::future<tell_result_t> call(const cmdmap_t& cmdmap,
std::string_view format,
ceph::bufferlist&& input) const final
{
std::unique_ptr<Formatter> f{Formatter::create(format, "json-pretty", "json-pretty")};
f->open_object_section("perf_dump_seastar");
for (const auto& mf : seastar::scollectd::get_value_map()) {
for (const auto& m : mf.second) {
if (m.second && m.second->is_enabled()) {
auto& metric_function = m.second->get_function();
f->dump_float(m.second->get_id().full_name(), metric_function().d());
}
}
}
f->close_section();
return seastar::make_ready_future<tell_result_t>(std::move(f));
}
};
template std::unique_ptr<AdminSocketHook> make_asok_hook<SeastarMetricsHook>();
} // namespace crimson::admin
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