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Andrew Geissler36529022016-11-29 15:23:54 -06001#include <iostream>
Andrew Geissler0cd2eaf2016-12-07 10:50:13 -06002#include <map>
3#include <string>
Andrew Geissleref3c1842016-12-01 12:33:09 -06004#include <systemd/sd-bus.h>
Andrew Geissler033fc3b2017-08-30 15:11:44 -05005#include <cereal/cereal.hpp>
6#include <cereal/types/string.hpp>
7#include <cereal/types/vector.hpp>
8#include <cereal/types/tuple.hpp>
9#include <cereal/archives/json.hpp>
10#include <fstream>
Anthony Wilson32c532e2018-10-25 21:56:07 -050011#include <sdbusplus/exception.hpp>
Michael Tritz206a8332017-02-06 16:01:23 -060012#include <sdbusplus/server.hpp>
Saqib Khana8006a22017-02-14 11:37:08 -060013#include <phosphor-logging/log.hpp>
Deepak Kodihalli55f132b2017-07-25 07:36:06 -050014#include <phosphor-logging/elog-errors.hpp>
Dhruvaraj Subhashchandran3f475242017-07-12 00:44:27 -050015#include <xyz/openbmc_project/Control/Power/RestorePolicy/server.hpp>
Deepak Kodihalli55f132b2017-07-25 07:36:06 -050016#include <xyz/openbmc_project/Common/error.hpp>
Andrew Geissler36529022016-11-29 15:23:54 -060017#include "host_state_manager.hpp"
Dhruvaraj Subhashchandran3f475242017-07-12 00:44:27 -050018#include "config.h"
19
Vishwanatha Subbanna0a838732017-10-05 12:43:19 +053020// Register class version with Cereal
Andrew Geissler769a62f2019-12-06 13:36:08 -060021CEREAL_CLASS_VERSION(phosphor::state::manager::Host, CLASS_VERSION)
Andrew Geissler36529022016-11-29 15:23:54 -060022
23namespace phosphor
24{
25namespace state
26{
27namespace manager
28{
29
Andrew Geissler7b90a622017-08-08 11:41:08 -050030// When you see server:: or reboot:: you know we're referencing our base class
Andrew Geissler3e3b84b2016-12-02 15:46:17 -060031namespace server = sdbusplus::xyz::openbmc_project::State::server;
Andrew Geissler7b90a622017-08-08 11:41:08 -050032namespace reboot = sdbusplus::xyz::openbmc_project::Control::Boot::server;
Dhruvaraj Subhashchandrana3b8d7e2017-08-10 05:40:04 -050033namespace bootprogress = sdbusplus::xyz::openbmc_project::State::Boot::server;
34namespace osstatus =
35 sdbusplus::xyz::openbmc_project::State::OperatingSystem::server;
Andrew Geissler1e3bf942016-12-13 15:32:22 -060036using namespace phosphor::logging;
Dhruvaraj Subhashchandran3f475242017-07-12 00:44:27 -050037namespace fs = std::experimental::filesystem;
Anthony Wilson32c532e2018-10-25 21:56:07 -050038using sdbusplus::exception::SdBusError;
Andrew Geissler2f60aae2019-09-12 13:25:21 -050039using sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
Andrew Geissler1e3bf942016-12-13 15:32:22 -060040
Andrew Geissler4f309e82017-05-24 15:18:01 -050041// host-shutdown notifies host of shutdown and that leads to host-stop being
42// called so initiate a host shutdown with the -shutdown target and consider the
43// host shut down when the -stop target is complete
44constexpr auto HOST_STATE_SOFT_POWEROFF_TGT = "obmc-host-shutdown@0.target";
Josh D. Kingca357922017-04-11 13:44:09 -050045constexpr auto HOST_STATE_POWEROFF_TGT = "obmc-host-stop@0.target";
46constexpr auto HOST_STATE_POWERON_TGT = "obmc-host-start@0.target";
Andrew Geissler969b2612018-03-29 10:16:51 -070047constexpr auto HOST_STATE_POWERON_MIN_TGT = "obmc-host-startmin@0.target";
Andrew Geisslera27a6e82017-07-27 16:44:43 -050048constexpr auto HOST_STATE_REBOOT_TGT = "obmc-host-reboot@0.target";
Josh D. Kingcc3fb5d2017-04-19 15:45:10 -050049constexpr auto HOST_STATE_QUIESCE_TGT = "obmc-host-quiesce@0.target";
Andrew Geissler4da7e002017-01-24 15:21:40 -060050
Josh D. King929ef702017-03-02 10:58:11 -060051constexpr auto ACTIVE_STATE = "active";
52constexpr auto ACTIVATING_STATE = "activating";
53
Andrew Geissler0cd2eaf2016-12-07 10:50:13 -060054/* Map a transition to it's systemd target */
Andrew Geissler58a18012018-01-19 19:36:05 -080055const std::map<server::Host::Transition, std::string> SYSTEMD_TARGET_TABLE = {
56 {server::Host::Transition::Off, HOST_STATE_SOFT_POWEROFF_TGT},
57 {server::Host::Transition::On, HOST_STATE_POWERON_TGT},
58 {server::Host::Transition::Reboot, HOST_STATE_REBOOT_TGT}};
Andrew Geissler0cd2eaf2016-12-07 10:50:13 -060059
Andrew Geissler58a18012018-01-19 19:36:05 -080060constexpr auto SYSTEMD_SERVICE = "org.freedesktop.systemd1";
61constexpr auto SYSTEMD_OBJ_PATH = "/org/freedesktop/systemd1";
Andrew Geissler0cd2eaf2016-12-07 10:50:13 -060062constexpr auto SYSTEMD_INTERFACE = "org.freedesktop.systemd1.Manager";
63
Josh D. King929ef702017-03-02 10:58:11 -060064constexpr auto SYSTEMD_PROPERTY_IFACE = "org.freedesktop.DBus.Properties";
65constexpr auto SYSTEMD_INTERFACE_UNIT = "org.freedesktop.systemd1.Unit";
66
Andrew Geissleref621162016-12-08 12:56:21 -060067/* Map a system state to the HostState */
Andrew Geissleref621162016-12-08 12:56:21 -060068const std::map<std::string, server::Host::HostState> SYS_HOST_STATE_TABLE = {
Andrew Geissler58a18012018-01-19 19:36:05 -080069 {"HOST_BOOTING", server::Host::HostState::Running},
70 {"HOST_POWERED_OFF", server::Host::HostState::Off},
71 {"HOST_QUIESCED", server::Host::HostState::Quiesced}};
Andrew Geissleref621162016-12-08 12:56:21 -060072
Andrew Geissler4da7e002017-01-24 15:21:40 -060073void Host::subscribeToSystemdSignals()
74{
Andrew Geissler58a18012018-01-19 19:36:05 -080075 auto method = this->bus.new_method_call(SYSTEMD_SERVICE, SYSTEMD_OBJ_PATH,
76 SYSTEMD_INTERFACE, "Subscribe");
Andrew Geissler2f60aae2019-09-12 13:25:21 -050077 try
78 {
79 this->bus.call_noreply(method);
80 }
81 catch (const SdBusError& e)
82 {
83 log<level::ERR>("Failed to subscribe to systemd signals",
84 entry("ERR=%s", e.what()));
85 elog<InternalFailure>();
86 }
Andrew Geissler4da7e002017-01-24 15:21:40 -060087 return;
88}
89
Andrew Geissleref3c1842016-12-01 12:33:09 -060090void Host::determineInitialState()
91{
Andrew Geissleref3c1842016-12-01 12:33:09 -060092
Andrew Geissler969b2612018-03-29 10:16:51 -070093 if (stateActive(HOST_STATE_POWERON_MIN_TGT))
Andrew Geissleref3c1842016-12-01 12:33:09 -060094 {
Andrew Geissler1e3bf942016-12-13 15:32:22 -060095 log<level::INFO>("Initial Host State will be Running",
96 entry("CURRENT_HOST_STATE=%s",
97 convertForMessage(HostState::Running).c_str()));
Andrew Geissler97924142017-01-24 16:10:18 -060098 server::Host::currentHostState(HostState::Running);
99 server::Host::requestedHostTransition(Transition::On);
Andrew Geissleref3c1842016-12-01 12:33:09 -0600100 }
101 else
102 {
Andrew Geissler1e3bf942016-12-13 15:32:22 -0600103 log<level::INFO>("Initial Host State will be Off",
104 entry("CURRENT_HOST_STATE=%s",
105 convertForMessage(HostState::Off).c_str()));
Andrew Geissler97924142017-01-24 16:10:18 -0600106 server::Host::currentHostState(HostState::Off);
107 server::Host::requestedHostTransition(Transition::Off);
Andrew Geissleref3c1842016-12-01 12:33:09 -0600108 }
109
Andrew Geissler033fc3b2017-08-30 15:11:44 -0500110 if (!deserialize(HOST_STATE_PERSIST_PATH))
Dhruvaraj Subhashchandran3f475242017-07-12 00:44:27 -0500111 {
Andrew Geissler58a18012018-01-19 19:36:05 -0800112 // set to default value.
Dhruvaraj Subhashchandran3f475242017-07-12 00:44:27 -0500113 server::Host::requestedHostTransition(Transition::Off);
114 }
Andrew Geissleref3c1842016-12-01 12:33:09 -0600115
116 return;
117}
118
Andrew Geissler0cd2eaf2016-12-07 10:50:13 -0600119void Host::executeTransition(Transition tranReq)
120{
121 auto sysdUnit = SYSTEMD_TARGET_TABLE.find(tranReq)->second;
122
Andrew Geissler58a18012018-01-19 19:36:05 -0800123 auto method = this->bus.new_method_call(SYSTEMD_SERVICE, SYSTEMD_OBJ_PATH,
124 SYSTEMD_INTERFACE, "StartUnit");
Andrew Geissler0cd2eaf2016-12-07 10:50:13 -0600125
126 method.append(sysdUnit);
127 method.append("replace");
128
Andrew Geissler4da7e002017-01-24 15:21:40 -0600129 this->bus.call_noreply(method);
Andrew Geissler0cd2eaf2016-12-07 10:50:13 -0600130
131 return;
132}
133
Josh D. King929ef702017-03-02 10:58:11 -0600134bool Host::stateActive(const std::string& target)
135{
136 sdbusplus::message::variant<std::string> currentState;
137 sdbusplus::message::object_path unitTargetPath;
138
Andrew Geissler58a18012018-01-19 19:36:05 -0800139 auto method = this->bus.new_method_call(SYSTEMD_SERVICE, SYSTEMD_OBJ_PATH,
140 SYSTEMD_INTERFACE, "GetUnit");
Josh D. King929ef702017-03-02 10:58:11 -0600141
142 method.append(target);
Josh D. King929ef702017-03-02 10:58:11 -0600143
Anthony Wilson32c532e2018-10-25 21:56:07 -0500144 try
Josh D. King929ef702017-03-02 10:58:11 -0600145 {
Anthony Wilson32c532e2018-10-25 21:56:07 -0500146 auto result = this->bus.call(method);
147 result.read(unitTargetPath);
148 }
149 catch (const SdBusError& e)
150 {
151 log<level::ERR>("Error in GetUnit call", entry("ERROR=%s", e.what()));
Josh D. King929ef702017-03-02 10:58:11 -0600152 return false;
153 }
154
Andrew Geissler58a18012018-01-19 19:36:05 -0800155 method = this->bus.new_method_call(
156 SYSTEMD_SERVICE,
157 static_cast<const std::string&>(unitTargetPath).c_str(),
158 SYSTEMD_PROPERTY_IFACE, "Get");
Josh D. King929ef702017-03-02 10:58:11 -0600159
160 method.append(SYSTEMD_INTERFACE_UNIT, "ActiveState");
Josh D. King929ef702017-03-02 10:58:11 -0600161
Anthony Wilson32c532e2018-10-25 21:56:07 -0500162 try
Josh D. King929ef702017-03-02 10:58:11 -0600163 {
Anthony Wilson32c532e2018-10-25 21:56:07 -0500164 auto result = this->bus.call(method);
165 result.read(currentState);
166 }
167 catch (const SdBusError& e)
168 {
169 log<level::ERR>("Error in ActiveState Get",
170 entry("ERROR=%s", e.what()));
Josh D. King929ef702017-03-02 10:58:11 -0600171 return false;
172 }
173
William A. Kennington III7a0689a2018-11-12 17:19:33 -0800174 const auto& currentStateStr =
175 sdbusplus::message::variant_ns::get<std::string>(currentState);
176 return currentStateStr == ACTIVE_STATE ||
177 currentStateStr == ACTIVATING_STATE;
Josh D. King929ef702017-03-02 10:58:11 -0600178}
179
Michael Tritz206a8332017-02-06 16:01:23 -0600180bool Host::isAutoReboot()
181{
Deepak Kodihalli3dd08a52017-07-25 07:34:44 -0500182 using namespace settings;
Michael Tritz206a8332017-02-06 16:01:23 -0600183
Andrew Geissler58a18012018-01-19 19:36:05 -0800184 auto method = bus.new_method_call(
185 settings.service(settings.autoReboot, autoRebootIntf).c_str(),
186 settings.autoReboot.c_str(), "org.freedesktop.DBus.Properties", "Get");
Deepak Kodihalli3dd08a52017-07-25 07:34:44 -0500187 method.append(autoRebootIntf, "AutoReboot");
Michael Tritz206a8332017-02-06 16:01:23 -0600188
Anthony Wilson32c532e2018-10-25 21:56:07 -0500189 try
Michael Tritz206a8332017-02-06 16:01:23 -0600190 {
Anthony Wilson32c532e2018-10-25 21:56:07 -0500191 auto reply = bus.call(method);
192
193 sdbusplus::message::variant<bool> result;
194 reply.read(result);
195 auto autoReboot = sdbusplus::message::variant_ns::get<bool>(result);
196 auto rebootCounterParam = reboot::RebootAttempts::attemptsLeft();
197
198 if (autoReboot)
Saqib Khancbe08d12017-03-10 01:29:20 -0600199 {
Anthony Wilson32c532e2018-10-25 21:56:07 -0500200 if (rebootCounterParam > 0)
201 {
202 // Reduce BOOTCOUNT by 1
203 log<level::INFO>("Auto reboot enabled, rebooting");
204 return true;
205 }
206 else if (rebootCounterParam == 0)
207 {
208 // Reset reboot counter and go to quiesce state
209 log<level::INFO>("Auto reboot enabled. "
210 "HOST BOOTCOUNT already set to 0.");
211 attemptsLeft(BOOT_COUNT_MAX_ALLOWED);
212 return false;
213 }
214 else
215 {
216 log<level::INFO>("Auto reboot enabled. "
217 "HOST BOOTCOUNT has an invalid value.");
218 return false;
219 }
Saqib Khand5ac6352017-04-04 09:53:59 -0500220 }
221 else
222 {
Anthony Wilson32c532e2018-10-25 21:56:07 -0500223 log<level::INFO>("Auto reboot disabled.");
Saqib Khancbe08d12017-03-10 01:29:20 -0600224 return false;
225 }
Michael Tritz206a8332017-02-06 16:01:23 -0600226 }
Anthony Wilson32c532e2018-10-25 21:56:07 -0500227 catch (const SdBusError& e)
Saqib Khand5ac6352017-04-04 09:53:59 -0500228 {
Anthony Wilson32c532e2018-10-25 21:56:07 -0500229 log<level::ERR>("Error in AutoReboot Get", entry("ERROR=%s", e.what()));
Saqib Khand5ac6352017-04-04 09:53:59 -0500230 return false;
231 }
Michael Tritz206a8332017-02-06 16:01:23 -0600232}
233
Patrick Williamsd22706f2017-05-04 05:42:49 -0500234void Host::sysStateChange(sdbusplus::message::message& msg)
Andrew Geissler4da7e002017-01-24 15:21:40 -0600235{
Andrew Geissler58a18012018-01-19 19:36:05 -0800236 uint32_t newStateID{};
Andrew Geissler4da7e002017-01-24 15:21:40 -0600237 sdbusplus::message::object_path newStateObjPath;
238 std::string newStateUnit{};
239 std::string newStateResult{};
240
Andrew Geissler58a18012018-01-19 19:36:05 -0800241 // Read the msg and populate each variable
Patrick Williamsd22706f2017-05-04 05:42:49 -0500242 msg.read(newStateID, newStateObjPath, newStateUnit, newStateResult);
Andrew Geissler4da7e002017-01-24 15:21:40 -0600243
Andrew Geissler58a18012018-01-19 19:36:05 -0800244 if ((newStateUnit == HOST_STATE_POWEROFF_TGT) &&
Andrew Geissler969b2612018-03-29 10:16:51 -0700245 (newStateResult == "done") &&
246 (!stateActive(HOST_STATE_POWERON_MIN_TGT)))
Andrew Geissleref621162016-12-08 12:56:21 -0600247 {
Andrew Jeffery55b983e2017-04-19 11:11:26 +0930248 log<level::INFO>("Received signal that host is off");
Andrew Geissler4da7e002017-01-24 15:21:40 -0600249 this->currentHostState(server::Host::HostState::Off);
Dhruvaraj Subhashchandrana3b8d7e2017-08-10 05:40:04 -0500250 this->bootProgress(bootprogress::Progress::ProgressStages::Unspecified);
251 this->operatingSystemState(osstatus::Status::OSStatus::Inactive);
Andrew Geissleref621162016-12-08 12:56:21 -0600252 }
Andrew Geissler969b2612018-03-29 10:16:51 -0700253 else if ((newStateUnit == HOST_STATE_POWERON_MIN_TGT) &&
Andrew Geissler58a18012018-01-19 19:36:05 -0800254 (newStateResult == "done") &&
Andrew Geissler969b2612018-03-29 10:16:51 -0700255 (stateActive(HOST_STATE_POWERON_MIN_TGT)))
Andrew Geissler58a18012018-01-19 19:36:05 -0800256 {
257 log<level::INFO>("Received signal that host is running");
258 this->currentHostState(server::Host::HostState::Running);
259 }
260 else if ((newStateUnit == HOST_STATE_QUIESCE_TGT) &&
Josh D. King29d025d2017-04-27 12:40:22 -0500261 (newStateResult == "done") &&
262 (stateActive(HOST_STATE_QUIESCE_TGT)))
Andrew Geissler58a18012018-01-19 19:36:05 -0800263 {
264 if (Host::isAutoReboot())
265 {
266 log<level::INFO>("Beginning reboot...");
267 Host::requestedHostTransition(server::Host::Transition::Reboot);
268 }
269 else
270 {
271 log<level::INFO>("Maintaining quiesce");
272 this->currentHostState(server::Host::HostState::Quiesced);
273 }
274 }
Andrew Geissleref621162016-12-08 12:56:21 -0600275}
276
Andrew Geissler7b90a622017-08-08 11:41:08 -0500277uint32_t Host::decrementRebootCount()
278{
279 auto rebootCount = reboot::RebootAttempts::attemptsLeft();
Andrew Geissler58a18012018-01-19 19:36:05 -0800280 if (rebootCount > 0)
Andrew Geissler7b90a622017-08-08 11:41:08 -0500281 {
Andrew Geissler58a18012018-01-19 19:36:05 -0800282 return (reboot::RebootAttempts::attemptsLeft(rebootCount - 1));
Andrew Geissler7b90a622017-08-08 11:41:08 -0500283 }
284 return rebootCount;
285}
286
Andrew Geissler033fc3b2017-08-30 15:11:44 -0500287fs::path Host::serialize(const fs::path& dir)
288{
289 std::ofstream os(dir.c_str(), std::ios::binary);
290 cereal::JSONOutputArchive oarchive(os);
291 oarchive(*this);
292 return dir;
293}
294
295bool Host::deserialize(const fs::path& path)
296{
Jayanth Othayothe39f3792017-09-19 23:53:31 -0500297 try
Andrew Geissler033fc3b2017-08-30 15:11:44 -0500298 {
Jayanth Othayothe39f3792017-09-19 23:53:31 -0500299 if (fs::exists(path))
300 {
301 std::ifstream is(path.c_str(), std::ios::in | std::ios::binary);
302 cereal::JSONInputArchive iarchive(is);
303 iarchive(*this);
304 return true;
305 }
306 return false;
Andrew Geissler033fc3b2017-08-30 15:11:44 -0500307 }
Andrew Geissler58a18012018-01-19 19:36:05 -0800308 catch (cereal::Exception& e)
Jayanth Othayothe39f3792017-09-19 23:53:31 -0500309 {
310 log<level::ERR>(e.what());
311 fs::remove(path);
312 return false;
313 }
Andrew Geissler033fc3b2017-08-30 15:11:44 -0500314}
315
Andrew Geissleref3c1842016-12-01 12:33:09 -0600316Host::Transition Host::requestedHostTransition(Transition value)
317{
Andrew Geissler58a18012018-01-19 19:36:05 -0800318 log<level::INFO>("Host State transaction request",
319 entry("REQUESTED_HOST_TRANSITION=%s",
320 convertForMessage(value).c_str()));
Andrew Geissler0cd2eaf2016-12-07 10:50:13 -0600321
Andrew Geissler7b90a622017-08-08 11:41:08 -0500322 // If this is not a power off request then we need to
323 // decrement the reboot counter. This code should
324 // never prevent a power on, it should just decrement
325 // the count to 0. The quiesce handling is where the
326 // check of this count will occur
Andrew Geissler58a18012018-01-19 19:36:05 -0800327 if (value != server::Host::Transition::Off)
Andrew Geissler7b90a622017-08-08 11:41:08 -0500328 {
329 decrementRebootCount();
330 }
331
Andrew Geisslera27a6e82017-07-27 16:44:43 -0500332 executeTransition(value);
Andrew Geissler7b90a622017-08-08 11:41:08 -0500333
Andrew Geissler58a18012018-01-19 19:36:05 -0800334 auto retVal = server::Host::requestedHostTransition(value);
Andrew Geissler033fc3b2017-08-30 15:11:44 -0500335 serialize();
Dhruvaraj Subhashchandran3f475242017-07-12 00:44:27 -0500336 return retVal;
Andrew Geissleref3c1842016-12-01 12:33:09 -0600337}
338
Dhruvaraj Subhashchandran4e6534f2017-09-19 06:13:20 -0500339Host::ProgressStages Host::bootProgress(ProgressStages value)
340{
341 auto retVal = bootprogress::Progress::bootProgress(value);
342 serialize();
343 return retVal;
344}
345
346Host::OSStatus Host::operatingSystemState(OSStatus value)
347{
348 auto retVal = osstatus::Status::operatingSystemState(value);
349 serialize();
350 return retVal;
351}
352
Andrew Geissleref3c1842016-12-01 12:33:09 -0600353Host::HostState Host::currentHostState(HostState value)
354{
Andrew Geissler58a18012018-01-19 19:36:05 -0800355 log<level::INFO>(
356 "Change to Host State",
357 entry("CURRENT_HOST_STATE=%s", convertForMessage(value).c_str()));
Andrew Geissleref621162016-12-08 12:56:21 -0600358 return server::Host::currentHostState(value);
Andrew Geissleref3c1842016-12-01 12:33:09 -0600359}
360
Andrew Geissler36529022016-11-29 15:23:54 -0600361} // namespace manager
362} // namespace state
Andrew Geisslera965cf02018-08-31 08:37:05 -0700363} // namespace phosphor