#include "DaemonState.h"
+#include "MgrSession.h"
+#include "include/stringify.h"
+#include "common/Formatter.h"
+
#define dout_context g_ceph_context
#define dout_subsys ceph_subsys_mgr
#undef dout_prefix
#define dout_prefix *_dout << "mgr " << __func__ << " "
+void DeviceState::set_metadata(map<string,string>&& m)
+{
+ metadata = std::move(m);
+ auto p = metadata.find("life_expectancy_min");
+ if (p != metadata.end()) {
+ life_expectancy.first.parse(p->second);
+ }
+ p = metadata.find("life_expectancy_max");
+ if (p != metadata.end()) {
+ life_expectancy.second.parse(p->second);
+ }
+ p = metadata.find("life_expectancy_stamp");
+ if (p != metadata.end()) {
+ life_expectancy_stamp.parse(p->second);
+ }
+}
+
+void DeviceState::set_life_expectancy(utime_t from, utime_t to, utime_t now)
+{
+ life_expectancy = make_pair(from, to);
+ life_expectancy_stamp = now;
+ if (from != utime_t()) {
+ metadata["life_expectancy_min"] = from;
+ } else {
+ metadata["life_expectancy_min"] = "";
+ }
+ if (to != utime_t()) {
+ metadata["life_expectancy_max"] = to;
+ } else {
+ metadata["life_expectancy_max"] = "";
+ }
+ if (now != utime_t()) {
+ metadata["life_expectancy_stamp"] = stringify(now);
+ } else {
+ metadata["life_expectancy_stamp"] = "";
+ }
+}
+
+void DeviceState::rm_life_expectancy()
+{
+ life_expectancy = make_pair(utime_t(), utime_t());
+ life_expectancy_stamp = utime_t();
+ metadata.erase("life_expectancy_min");
+ metadata.erase("life_expectancy_max");
+ metadata.erase("life_expectancy_stamp");
+}
+
+string DeviceState::get_life_expectancy_str(utime_t now) const
+{
+ if (life_expectancy.first == utime_t()) {
+ return string();
+ }
+ if (now >= life_expectancy.first) {
+ return "now";
+ }
+ utime_t min = life_expectancy.first - now;
+ utime_t max = life_expectancy.second - now;
+ if (life_expectancy.second == utime_t()) {
+ return string(">") + timespan_str(make_timespan(min));
+ }
+ string a = timespan_str(make_timespan(min));
+ string b = timespan_str(make_timespan(max));
+ if (a == b) {
+ return a;
+ }
+ return a + " to " + b;
+}
+
+void DeviceState::dump(Formatter *f) const
+{
+ f->dump_string("devid", devid);
+ f->open_array_section("location");
+ for (auto& i : devnames) {
+ f->open_object_section("attachment");
+ f->dump_string("host", i.first);
+ f->dump_string("dev", i.second);
+ f->close_section();
+ }
+ f->close_section();
+ f->open_array_section("daemons");
+ for (auto& i : daemons) {
+ f->dump_string("daemon", to_string(i));
+ }
+ f->close_section();
+ if (life_expectancy.first != utime_t()) {
+ f->dump_stream("life_expectancy_min") << life_expectancy.first;
+ f->dump_stream("life_expectancy_max") << life_expectancy.second;
+ f->dump_stream("life_expectancy_stamp")
+ << life_expectancy_stamp;
+ }
+}
+
+void DeviceState::print(ostream& out) const
+{
+ out << "device " << devid << "\n";
+ for (auto& i : devnames) {
+ out << "attachment " << i.first << ":" << i.second << "\n";
+ }
+ set<string> d;
+ for (auto& j : daemons) {
+ d.insert(to_string(j));
+ }
+ out << "daemons " << d << "\n";
+ if (life_expectancy.first != utime_t()) {
+ out << "life_expectancy " << life_expectancy.first << " to "
+ << life_expectancy.second
+ << " (as of " << life_expectancy_stamp << ")\n";
+ }
+}
+
void DaemonStateIndex::insert(DaemonStatePtr dm)
{
- Mutex::Locker l(lock);
+ RWLock::WLocker l(lock);
+ _insert(dm);
+}
+void DaemonStateIndex::_insert(DaemonStatePtr dm)
+{
if (all.count(dm->key)) {
_erase(dm->key);
}
by_server[dm->hostname][dm->key] = dm;
all[dm->key] = dm;
+
+ for (auto& i : dm->devices) {
+ auto d = _get_or_create_device(i.first);
+ d->daemons.insert(dm->key);
+ d->devnames.insert(make_pair(dm->hostname, i.second));
+ }
}
-void DaemonStateIndex::_erase(DaemonKey dmk)
+void DaemonStateIndex::_erase(const DaemonKey& dmk)
{
- assert(lock.is_locked_by_me());
+ ceph_assert(lock.is_wlocked());
+
+ const auto to_erase = all.find(dmk);
+ ceph_assert(to_erase != all.end());
+ const auto dm = to_erase->second;
+
+ for (auto& i : dm->devices) {
+ auto d = _get_or_create_device(i.first);
+ ceph_assert(d->daemons.count(dmk));
+ d->daemons.erase(dmk);
+ d->devnames.erase(make_pair(dm->hostname, i.second));
+ if (d->empty()) {
+ _erase_device(d);
+ }
+ }
- const auto dm = all.at(dmk);
auto &server_collection = by_server[dm->hostname];
server_collection.erase(dm->key);
if (server_collection.empty()) {
by_server.erase(dm->hostname);
}
- all.erase(dmk);
+ all.erase(to_erase);
}
-DaemonStateCollection DaemonStateIndex::get_by_type(uint8_t type) const
+DaemonStateCollection DaemonStateIndex::get_by_service(
+ const std::string& svc) const
{
- Mutex::Locker l(lock);
+ RWLock::RLocker l(lock);
DaemonStateCollection result;
for (const auto &i : all) {
- if (i.first.first == type) {
+ if (i.first.first == svc) {
result[i.first] = i.second;
}
}
return result;
}
-DaemonStateCollection DaemonStateIndex::get_by_server(const std::string &hostname) const
+DaemonStateCollection DaemonStateIndex::get_by_server(
+ const std::string &hostname) const
{
- Mutex::Locker l(lock);
+ RWLock::RLocker l(lock);
if (by_server.count(hostname)) {
return by_server.at(hostname);
bool DaemonStateIndex::exists(const DaemonKey &key) const
{
- Mutex::Locker l(lock);
+ RWLock::RLocker l(lock);
return all.count(key) > 0;
}
DaemonStatePtr DaemonStateIndex::get(const DaemonKey &key)
{
- Mutex::Locker l(lock);
+ RWLock::RLocker l(lock);
- return all.at(key);
+ auto iter = all.find(key);
+ if (iter != all.end()) {
+ return iter->second;
+ } else {
+ return nullptr;
+ }
}
-void DaemonStateIndex::cull(entity_type_t daemon_type,
- std::set<std::string> names_exist)
+void DaemonStateIndex::rm(const DaemonKey &key)
{
- Mutex::Locker l(lock);
+ RWLock::WLocker l(lock);
+ _rm(key);
+}
- std::set<DaemonKey> victims;
+void DaemonStateIndex::_rm(const DaemonKey &key)
+{
+ if (all.count(key)) {
+ _erase(key);
+ }
+}
- for (const auto &i : all) {
- if (i.first.first != daemon_type) {
- continue;
- }
+void DaemonStateIndex::cull(const std::string& svc_name,
+ const std::set<std::string>& names_exist)
+{
+ std::vector<string> victims;
- if (names_exist.count(i.first.second) == 0) {
- victims.insert(i.first);
+ RWLock::WLocker l(lock);
+ auto begin = all.lower_bound({svc_name, ""});
+ auto end = all.end();
+ for (auto &i = begin; i != end; ++i) {
+ const auto& daemon_key = i->first;
+ if (daemon_key.first != svc_name)
+ break;
+ if (names_exist.count(daemon_key.second) == 0) {
+ victims.push_back(daemon_key.second);
}
}
- for (const auto &i : victims) {
+ for (auto &i : victims) {
dout(4) << "Removing data for " << i << dendl;
- _erase(i);
+ _erase({svc_name, i});
}
}
<< types.size() << " types, got "
<< report->packed.length() << " bytes of data" << dendl;
+ // Retrieve session state
+ auto priv = report->get_connection()->get_priv();
+ auto session = static_cast<MgrSession*>(priv.get());
+
// Load any newly declared types
for (const auto &t : report->declare_types) {
types.insert(std::make_pair(t.path, t));
- declared_types.insert(t.path);
+ session->declared_types.insert(t.path);
}
// Remove any old types
for (const auto &t : report->undeclare_types) {
- declared_types.erase(t);
+ session->declared_types.erase(t);
}
const auto now = ceph_clock_now();
// Parse packed data according to declared set of types
- bufferlist::iterator p = report->packed.begin();
+ auto p = report->packed.cbegin();
DECODE_START(1, p);
- for (const auto &t_path : declared_types) {
+ for (const auto &t_path : session->declared_types) {
const auto &t = types.at(t_path);
+ auto instances_it = instances.find(t_path);
+ // Always check the instance exists, as we don't prevent yet
+ // multiple sessions from daemons with the same name, and one
+ // session clearing stats created by another on open.
+ if (instances_it == instances.end()) {
+ instances_it = instances.insert({t_path, t.type}).first;
+ }
uint64_t val = 0;
uint64_t avgcount = 0;
uint64_t avgcount2 = 0;
- ::decode(val, p);
+ decode(val, p);
if (t.type & PERFCOUNTER_LONGRUNAVG) {
- ::decode(avgcount, p);
- ::decode(avgcount2, p);
+ decode(avgcount, p);
+ decode(avgcount2, p);
+ instances_it->second.push_avg(now, val, avgcount);
+ } else {
+ instances_it->second.push(now, val);
}
- // TODO: interface for insertion of avgs
- instances[t_path].push(now, val);
}
DECODE_FINISH(p);
}
-uint64_t PerfCounterInstance::get_current() const
-{
- return buffer.front().v;
-}
-
void PerfCounterInstance::push(utime_t t, uint64_t const &v)
{
buffer.push_back({t, v});
}
+void PerfCounterInstance::push_avg(utime_t t, uint64_t const &s,
+ uint64_t const &c)
+{
+ avg_buffer.push_back({t, s, c});
+}
projects / ceph.git / blobdiff