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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include <seastar/core/future.hh>
#include "include/types.h"
#include "common/Formatter.h"
#include "crimson/osd/pg.h"
#include "crimson/osd/osdmap_service.h"
#include "crimson/osd/shard_services.h"
#include "crimson/osd/osd_operations/pg_advance_map.h"
#include "crimson/osd/osd_operation_external_tracking.h"
#include "osd/PeeringState.h"
namespace {
seastar::logger& logger() {
return crimson::get_logger(ceph_subsys_osd);
}
}
namespace crimson::osd {
PGAdvanceMap::PGAdvanceMap(
ShardServices &shard_services, Ref<PG> pg, epoch_t to,
PeeringCtx &&rctx, bool do_init)
: shard_services(shard_services), pg(pg), to(to),
rctx(std::move(rctx)), do_init(do_init)
{
logger().debug("{}: created", *this);
}
PGAdvanceMap::~PGAdvanceMap() {}
void PGAdvanceMap::print(std::ostream &lhs) const
{
lhs << "PGAdvanceMap("
<< "pg=" << pg->get_pgid()
<< " from=" << (from ? *from : -1)
<< " to=" << to;
if (do_init) {
lhs << " do_init";
}
lhs << ")";
}
void PGAdvanceMap::dump_detail(Formatter *f) const
{
f->open_object_section("PGAdvanceMap");
f->dump_stream("pgid") << pg->get_pgid();
if (from) {
f->dump_int("from", *from);
}
f->dump_int("to", to);
f->dump_bool("do_init", do_init);
f->close_section();
}
PGPeeringPipeline &PGAdvanceMap::peering_pp(PG &pg)
{
return pg.peering_request_pg_pipeline;
}
seastar::future<> PGAdvanceMap::start()
{
using cached_map_t = OSDMapService::cached_map_t;
logger().debug("{}: start", *this);
IRef ref = this;
return enter_stage<>(
peering_pp(*pg).process
).then([this] {
/*
* PGAdvanceMap is scheduled at pg creation and when
* broadcasting new osdmaps to pgs. We are not able to serialize
* between the two different PGAdvanceMap callers since a new pg
* will get advanced to the latest osdmap at it's creation.
* As a result, we may need to adjust the PGAdvance operation
* 'from' epoch.
* See: https://tracker.ceph.com/issues/61744
*/
from = pg->get_osdmap_epoch();
auto fut = seastar::now();
if (do_init) {
fut = pg->handle_initialize(rctx
).then([this] {
return pg->handle_activate_map(rctx);
});
}
return fut.then([this] {
ceph_assert(std::cmp_less_equal(*from, to));
return seastar::do_for_each(
boost::make_counting_iterator(*from + 1),
boost::make_counting_iterator(to + 1),
[this](epoch_t next_epoch) {
logger().debug("{}: start: getting map {}",
*this, next_epoch);
return shard_services.get_map(next_epoch).then(
[this] (cached_map_t&& next_map) {
logger().debug("{}: advancing map to {}",
*this, next_map->get_epoch());
return pg->handle_advance_map(next_map, rctx);
});
}).then([this] {
return pg->handle_activate_map(rctx).then([this] {
logger().debug("{}: map activated", *this);
if (do_init) {
shard_services.pg_created(pg->get_pgid(), pg);
logger().info("PGAdvanceMap::start new pg {}", *pg);
}
return seastar::when_all_succeed(
pg->get_need_up_thru()
? shard_services.send_alive(
pg->get_same_interval_since())
: seastar::now(),
shard_services.dispatch_context(
pg->get_collection_ref(),
std::move(rctx)));
});
}).then_unpack([this] {
logger().debug("{}: sending pg temp", *this);
return shard_services.send_pg_temp();
});
});
}).then([this, ref=std::move(ref)] {
logger().debug("{}: complete", *this);
});
}
}
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