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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "mgr/ServiceMap.h"
#include <fmt/format.h>
#include "common/Formatter.h"
using ceph::bufferlist;
using ceph::Formatter;
// Daemon
void ServiceMap::Daemon::encode(bufferlist& bl, uint64_t features) const
{
ENCODE_START(2, 1, bl);
encode(gid, bl);
encode(addr, bl, features);
encode(start_epoch, bl);
encode(start_stamp, bl);
encode(metadata, bl);
encode(task_status, bl);
ENCODE_FINISH(bl);
}
void ServiceMap::Daemon::decode(bufferlist::const_iterator& p)
{
DECODE_START(2, p);
decode(gid, p);
decode(addr, p);
decode(start_epoch, p);
decode(start_stamp, p);
decode(metadata, p);
if (struct_v >= 2) {
decode(task_status, p);
}
DECODE_FINISH(p);
}
void ServiceMap::Daemon::dump(Formatter *f) const
{
f->dump_unsigned("start_epoch", start_epoch);
f->dump_stream("start_stamp") << start_stamp;
f->dump_unsigned("gid", gid);
f->dump_string("addr", addr.get_legacy_str());
f->open_object_section("metadata");
for (auto& p : metadata) {
f->dump_string(p.first.c_str(), p.second);
}
f->close_section();
f->open_object_section("task_status");
for (auto& p : task_status) {
f->dump_string(p.first.c_str(), p.second);
}
f->close_section();
}
void ServiceMap::Daemon::generate_test_instances(std::list<Daemon*>& ls)
{
ls.push_back(new Daemon);
ls.push_back(new Daemon);
ls.back()->gid = 222;
ls.back()->metadata["this"] = "that";
ls.back()->task_status["task1"] = "running";
}
// Service
std::string ServiceMap::Service::get_summary() const
{
if (!summary.empty()) {
return summary;
}
if (daemons.empty()) {
return "no daemons active";
}
// If "daemon_type" is present, this will be used in place of "daemon" when
// reporting the count (e.g., "${N} daemons").
//
// We will additional break down the count by various groupings, based
// on the following keys:
//
// "hostname" -> host(s)
// "zone_id" -> zone(s)
//
// The `ceph -s` will be something likes:
// iscsi: 3 portals active (3 hosts)
// rgw: 3 gateways active (3 hosts, 1 zone)
std::map<std::string, std::set<std::string>> groupings;
std::string type("daemon");
int num = 0;
for (auto& d : daemons) {
++num;
if (auto p = d.second.metadata.find("daemon_type");
p != d.second.metadata.end()) {
type = p->second;
}
for (auto k : {std::make_pair("zone", "zone_id"),
std::make_pair("host", "hostname")}) {
auto p = d.second.metadata.find(k.second);
if (p != d.second.metadata.end()) {
groupings[k.first].insert(p->second);
}
}
}
std::ostringstream ss;
ss << num << " " << type << (num > 1 ? "s" : "") << " active";
if (groupings.size()) {
ss << " (";
for (auto i = groupings.begin(); i != groupings.end(); ++i) {
if (i != groupings.begin()) {
ss << ", ";
}
ss << i->second.size() << " " << i->first << (i->second.size() ? "s" : "");
}
ss << ")";
}
return ss.str();
}
bool ServiceMap::Service::has_running_tasks() const
{
return std::any_of(daemons.begin(), daemons.end(), [](auto& daemon) {
return !daemon.second.task_status.empty();
});
}
std::string ServiceMap::Service::get_task_summary(const std::string_view task_prefix) const
{
// contruct a map similar to:
// {"service1 status" -> {"service1.0" -> "running"}}
// {"service2 status" -> {"service2.0" -> "idle"},
// {"service2.1" -> "running"}}
std::map<std::string, std::map<std::string, std::string>> by_task;
for (const auto& [service_id, daemon] : daemons) {
for (const auto& [task_name, status] : daemon.task_status) {
by_task[task_name].emplace(fmt::format("{}.{}", task_prefix, service_id),
status);
}
}
std::stringstream ss;
for (const auto &[task_name, status_by_service] : by_task) {
ss << "\n " << task_name << ":";
for (auto& [service, status] : status_by_service) {
ss << "\n " << service << ": " << status;
}
}
return ss.str();
}
void ServiceMap::Service::count_metadata(const std::string& field,
std::map<std::string,int> *out) const
{
for (auto& p : daemons) {
auto q = p.second.metadata.find(field);
if (q == p.second.metadata.end()) {
(*out)["unknown"]++;
} else {
(*out)[q->second]++;
}
}
}
void ServiceMap::Service::encode(bufferlist& bl, uint64_t features) const
{
ENCODE_START(1, 1, bl);
encode(daemons, bl, features);
encode(summary, bl);
ENCODE_FINISH(bl);
}
void ServiceMap::Service::decode(bufferlist::const_iterator& p)
{
DECODE_START(1, p);
decode(daemons, p);
decode(summary, p);
DECODE_FINISH(p);
}
void ServiceMap::Service::dump(Formatter *f) const
{
f->open_object_section("daemons");
f->dump_string("summary", summary);
for (auto& p : daemons) {
f->dump_object(p.first.c_str(), p.second);
}
f->close_section();
}
void ServiceMap::Service::generate_test_instances(std::list<Service*>& ls)
{
ls.push_back(new Service);
ls.push_back(new Service);
ls.back()->daemons["one"].gid = 1;
ls.back()->daemons["two"].gid = 2;
}
// ServiceMap
void ServiceMap::encode(bufferlist& bl, uint64_t features) const
{
ENCODE_START(1, 1, bl);
encode(epoch, bl);
encode(modified, bl);
encode(services, bl, features);
ENCODE_FINISH(bl);
}
void ServiceMap::decode(bufferlist::const_iterator& p)
{
DECODE_START(1, p);
decode(epoch, p);
decode(modified, p);
decode(services, p);
DECODE_FINISH(p);
}
void ServiceMap::dump(Formatter *f) const
{
f->dump_unsigned("epoch", epoch);
f->dump_stream("modified") << modified;
f->open_object_section("services");
for (auto& p : services) {
f->dump_object(p.first.c_str(), p.second);
}
f->close_section();
}
void ServiceMap::generate_test_instances(std::list<ServiceMap*>& ls)
{
ls.push_back(new ServiceMap);
ls.push_back(new ServiceMap);
ls.back()->epoch = 123;
ls.back()->services["rgw"].daemons["one"].gid = 123;
ls.back()->services["rgw"].daemons["two"].gid = 344;
ls.back()->services["iscsi"].daemons["foo"].gid = 3222;
}
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