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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/osd/pg_shard_manager.h"
#include "crimson/osd/pg.h"
namespace {
seastar::logger& logger() {
return crimson::get_logger(ceph_subsys_osd);
}
}
namespace crimson::osd {
seastar::future<> PGShardManager::load_pgs(crimson::os::FuturizedStore& store)
{
ceph_assert(seastar::this_shard_id() == PRIMARY_CORE);
return store.list_collections(
).then([this](auto colls_cores) {
return seastar::parallel_for_each(
colls_cores,
[this](auto coll_core) {
auto[coll, shard_core] = coll_core;
spg_t pgid;
if (coll.is_pg(&pgid)) {
return get_pg_to_shard_mapping().maybe_create_pg(
pgid, shard_core
).then([this, pgid] (auto core) {
return this->template with_remote_shard_state(
core,
[pgid](
PerShardState &per_shard_state,
ShardServices &shard_services) {
return shard_services.load_pg(
pgid
).then([pgid, &per_shard_state](auto &&pg) {
logger().info("load_pgs: loaded {}", pgid);
per_shard_state.pg_map.pg_loaded(pgid, std::move(pg));
return seastar::now();
});
});
});
} else if (coll.is_temp(&pgid)) {
logger().warn(
"found temp collection on crimson osd, should be impossible: {}",
coll);
ceph_assert(0 == "temp collection on crimson osd, should be impossible");
return seastar::now();
} else {
logger().warn("ignoring unrecognized collection: {}", coll);
return seastar::now();
}
});
});
}
seastar::future<> PGShardManager::stop_pgs()
{
ceph_assert(seastar::this_shard_id() == PRIMARY_CORE);
return shard_services.invoke_on_all([](auto &local_service) {
return local_service.local_state.stop_pgs();
});
}
seastar::future<std::map<pg_t, pg_stat_t>>
PGShardManager::get_pg_stats() const
{
ceph_assert(seastar::this_shard_id() == PRIMARY_CORE);
return shard_services.map_reduce0(
[](auto &local) {
return local.local_state.get_pg_stats();
},
std::map<pg_t, pg_stat_t>(),
[](auto &&left, auto &&right) {
left.merge(std::move(right));
return std::move(left);
});
}
seastar::future<> PGShardManager::broadcast_map_to_pgs(epoch_t epoch)
{
ceph_assert(seastar::this_shard_id() == PRIMARY_CORE);
return shard_services.invoke_on_all([epoch](auto &local_service) {
return local_service.local_state.broadcast_map_to_pgs(
local_service, epoch
);
}).then([this, epoch] {
logger().debug("PGShardManager::broadcast_map_to_pgs "
"broadcasted up to {}",
epoch);
return shard_services.invoke_on_all([epoch](auto &local_service) {
local_service.local_state.osdmap_gate.got_map(epoch);
return seastar::now();
});
});
}
seastar::future<> PGShardManager::set_up_epoch(epoch_t e) {
ceph_assert(seastar::this_shard_id() == PRIMARY_CORE);
return shard_services.invoke_on_all(
seastar::smp_submit_to_options{},
[e](auto &local_service) {
local_service.local_state.set_up_epoch(e);
return seastar::now();
});
}
}
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