redfish-core/lib/managers.hpp

/*
// Copyright (c) 2018 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/
#pragma once

#include "health.hpp"
#include "node.hpp"
#include "redfish_util.hpp"

#include <boost/algorithm/string/replace.hpp>
#include <boost/date_time.hpp>
#include <dbus_utility.hpp>
#include <utils/fw_utils.hpp>
#include <utils/systemd_utils.hpp>

#include <cstdint>
#include <memory>
#include <sstream>
#include <variant>

namespace redfish
{

/**
 * Function reboots the BMC.
 *
 * @param[in] asyncResp - Shared pointer for completing asynchronous calls
 */
inline void doBMCGracefulRestart(const std::shared_ptr<AsyncResp>& asyncResp)
{
    const char* processName = "xyz.openbmc_project.State.BMC";
    const char* objectPath = "/xyz/openbmc_project/state/bmc0";
    const char* interfaceName = "xyz.openbmc_project.State.BMC";
    const std::string& propertyValue =
        "xyz.openbmc_project.State.BMC.Transition.Reboot";
    const char* destProperty = "RequestedBMCTransition";

    // Create the D-Bus variant for D-Bus call.
    VariantType dbusPropertyValue(propertyValue);

    crow::connections::systemBus->async_method_call(
        [asyncResp](const boost::system::error_code ec) {
            // Use "Set" method to set the property value.
            if (ec)
            {
                BMCWEB_LOG_DEBUG << "[Set] Bad D-Bus request error: " << ec;
                messages::internalError(asyncResp->res);
                return;
            }

            messages::success(asyncResp->res);
        },
        processName, objectPath, "org.freedesktop.DBus.Properties", "Set",
        interfaceName, destProperty, dbusPropertyValue);
}

inline void doBMCForceRestart(const std::shared_ptr<AsyncResp>& asyncResp)
{
    const char* processName = "xyz.openbmc_project.State.BMC";
    const char* objectPath = "/xyz/openbmc_project/state/bmc0";
    const char* interfaceName = "xyz.openbmc_project.State.BMC";
    const std::string& propertyValue =
        "xyz.openbmc_project.State.BMC.Transition.HardReboot";
    const char* destProperty = "RequestedBMCTransition";

    // Create the D-Bus variant for D-Bus call.
    VariantType dbusPropertyValue(propertyValue);

    crow::connections::systemBus->async_method_call(
        [asyncResp](const boost::system::error_code ec) {
            // Use "Set" method to set the property value.
            if (ec)
            {
                BMCWEB_LOG_DEBUG << "[Set] Bad D-Bus request error: " << ec;
                messages::internalError(asyncResp->res);
                return;
            }

            messages::success(asyncResp->res);
        },
        processName, objectPath, "org.freedesktop.DBus.Properties", "Set",
        interfaceName, destProperty, dbusPropertyValue);
}

/**
 * ManagerResetAction class supports the POST method for the Reset (reboot)
 * action.
 */
class ManagerResetAction : public Node
{
  public:
    ManagerResetAction(App& app) :
        Node(app, "/redfish/v1/Managers/bmc/Actions/Manager.Reset/")
    {
        entityPrivileges = {
            {boost::beast::http::verb::post, {{"ConfigureManager"}}}};
    }

  private:
    /**
     * Function handles POST method request.
     * Analyzes POST body before sending Reset (Reboot) request data to D-Bus.
     * OpenBMC supports ResetType "GracefulRestart" and "ForceRestart".
     */
    void doPost(crow::Response& res, const crow::Request& req,
                const std::vector<std::string>&) override
    {
        BMCWEB_LOG_DEBUG << "Post Manager Reset.";

        std::string resetType;
        auto asyncResp = std::make_shared<AsyncResp>(res);

        if (!json_util::readJson(req, asyncResp->res, "ResetType", resetType))
        {
            return;
        }

        if (resetType == "GracefulRestart")
        {
            BMCWEB_LOG_DEBUG << "Proceeding with " << resetType;
            doBMCGracefulRestart(asyncResp);
            return;
        }
        if (resetType == "ForceRestart")
        {
            BMCWEB_LOG_DEBUG << "Proceeding with " << resetType;
            doBMCForceRestart(asyncResp);
            return;
        }
        BMCWEB_LOG_DEBUG << "Invalid property value for ResetType: "
                         << resetType;
        messages::actionParameterNotSupported(asyncResp->res, resetType,
                                              "ResetType");

        return;
    }
};

/**
 * ManagerResetToDefaultsAction class supports POST method for factory reset
 * action.
 */
class ManagerResetToDefaultsAction : public Node
{
  public:
    ManagerResetToDefaultsAction(App& app) :
        Node(app, "/redfish/v1/Managers/bmc/Actions/Manager.ResetToDefaults/")
    {
        entityPrivileges = {
            {boost::beast::http::verb::post, {{"ConfigureManager"}}}};
    }

  private:
    /**
     * Function handles ResetToDefaults POST method request.
     *
     * Analyzes POST body message and factory resets BMC by calling
     * BMC code updater factory reset followed by a BMC reboot.
     *
     * BMC code updater factory reset wipes the whole BMC read-write
     * filesystem which includes things like the network settings.
     *
     * OpenBMC only supports ResetToDefaultsType "ResetAll".
     */
    void doPost(crow::Response& res, const crow::Request& req,
                const std::vector<std::string>&) override
    {
        BMCWEB_LOG_DEBUG << "Post ResetToDefaults.";

        std::string resetType;
        auto asyncResp = std::make_shared<AsyncResp>(res);

        if (!json_util::readJson(req, asyncResp->res, "ResetToDefaultsType",
                                 resetType))
        {
            BMCWEB_LOG_DEBUG << "Missing property ResetToDefaultsType.";

            messages::actionParameterMissing(asyncResp->res, "ResetToDefaults",
                                             "ResetToDefaultsType");
            return;
        }

        if (resetType != "ResetAll")
        {
            BMCWEB_LOG_DEBUG << "Invalid property value for "
                                "ResetToDefaultsType: "
                             << resetType;
            messages::actionParameterNotSupported(asyncResp->res, resetType,
                                                  "ResetToDefaultsType");
            return;
        }

        crow::connections::systemBus->async_method_call(
            [asyncResp](const boost::system::error_code ec) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG << "Failed to ResetToDefaults: " << ec;
                    messages::internalError(asyncResp->res);
                    return;
                }
                // Factory Reset doesn't actually happen until a reboot
                // Can't erase what the BMC is running on
                doBMCGracefulRestart(asyncResp);
            },
            "xyz.openbmc_project.Software.BMC.Updater",
            "/xyz/openbmc_project/software",
            "xyz.openbmc_project.Common.FactoryReset", "Reset");
    }
};

/**
 * ManagerResetActionInfo derived class for delivering Manager
 * ResetType AllowableValues using ResetInfo schema.
 */
class ManagerResetActionInfo : public Node
{
  public:
    /*
     * Default Constructor
     */
    ManagerResetActionInfo(App& app) :
        Node(app, "/redfish/v1/Managers/bmc/ResetActionInfo/")
    {
        entityPrivileges = {
            {boost::beast::http::verb::get, {{"Login"}}},
            {boost::beast::http::verb::head, {{"Login"}}},
            {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
            {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
            {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
            {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
    }

  private:
    /**
     * Functions triggers appropriate requests on DBus
     */
    void doGet(crow::Response& res, const crow::Request&,
               const std::vector<std::string>&) override
    {
        res.jsonValue = {
            {"@odata.type", "#ActionInfo.v1_1_2.ActionInfo"},
            {"@odata.id", "/redfish/v1/Managers/bmc/ResetActionInfo"},
            {"Name", "Reset Action Info"},
            {"Id", "ResetActionInfo"},
            {"Parameters",
             {{{"Name", "ResetType"},
               {"Required", true},
               {"DataType", "String"},
               {"AllowableValues", {"GracefulRestart", "ForceRestart"}}}}}};
        res.end();
    }
};

static constexpr const char* objectManagerIface =
    "org.freedesktop.DBus.ObjectManager";
static constexpr const char* pidConfigurationIface =
    "xyz.openbmc_project.Configuration.Pid";
static constexpr const char* pidZoneConfigurationIface =
    "xyz.openbmc_project.Configuration.Pid.Zone";
static constexpr const char* stepwiseConfigurationIface =
    "xyz.openbmc_project.Configuration.Stepwise";
static constexpr const char* thermalModeIface =
    "xyz.openbmc_project.Control.ThermalMode";

inline void asyncPopulatePid(const std::string& connection,
                             const std::string& path,
                             const std::string& currentProfile,
                             const std::vector<std::string>& supportedProfiles,
                             const std::shared_ptr<AsyncResp>& asyncResp)
{

    crow::connections::systemBus->async_method_call(
        [asyncResp, currentProfile, supportedProfiles](
            const boost::system::error_code ec,
            const dbus::utility::ManagedObjectType& managedObj) {
            if (ec)
            {
                BMCWEB_LOG_ERROR << ec;
                asyncResp->res.jsonValue.clear();
                messages::internalError(asyncResp->res);
                return;
            }
            nlohmann::json& configRoot =
                asyncResp->res.jsonValue["Oem"]["OpenBmc"]["Fan"];
            nlohmann::json& fans = configRoot["FanControllers"];
            fans["@odata.type"] = "#OemManager.FanControllers";
            fans["@odata.id"] = "/redfish/v1/Managers/bmc#/Oem/OpenBmc/"
                                "Fan/FanControllers";

            nlohmann::json& pids = configRoot["PidControllers"];
            pids["@odata.type"] = "#OemManager.PidControllers";
            pids["@odata.id"] =
                "/redfish/v1/Managers/bmc#/Oem/OpenBmc/Fan/PidControllers";

            nlohmann::json& stepwise = configRoot["StepwiseControllers"];
            stepwise["@odata.type"] = "#OemManager.StepwiseControllers";
            stepwise["@odata.id"] =
                "/redfish/v1/Managers/bmc#/Oem/OpenBmc/Fan/StepwiseControllers";

            nlohmann::json& zones = configRoot["FanZones"];
            zones["@odata.id"] =
                "/redfish/v1/Managers/bmc#/Oem/OpenBmc/Fan/FanZones";
            zones["@odata.type"] = "#OemManager.FanZones";
            configRoot["@odata.id"] =
                "/redfish/v1/Managers/bmc#/Oem/OpenBmc/Fan";
            configRoot["@odata.type"] = "#OemManager.Fan";
            configRoot["Profile@Redfish.AllowableValues"] = supportedProfiles;

            if (!currentProfile.empty())
            {
                configRoot["Profile"] = currentProfile;
            }
            BMCWEB_LOG_ERROR << "profile = " << currentProfile << " !";

            for (const auto& pathPair : managedObj)
            {
                for (const auto& intfPair : pathPair.second)
                {
                    if (intfPair.first != pidConfigurationIface &&
                        intfPair.first != pidZoneConfigurationIface &&
                        intfPair.first != stepwiseConfigurationIface)
                    {
                        continue;
                    }
                    auto findName = intfPair.second.find("Name");
                    if (findName == intfPair.second.end())
                    {
                        BMCWEB_LOG_ERROR << "Pid Field missing Name";
                        messages::internalError(asyncResp->res);
                        return;
                    }

                    const std::string* namePtr =
                        std::get_if<std::string>(&findName->second);
                    if (namePtr == nullptr)
                    {
                        BMCWEB_LOG_ERROR << "Pid Name Field illegal";
                        messages::internalError(asyncResp->res);
                        return;
                    }
                    std::string name = *namePtr;
                    dbus::utility::escapePathForDbus(name);

                    auto findProfiles = intfPair.second.find("Profiles");
                    if (findProfiles != intfPair.second.end())
                    {
                        const std::vector<std::string>* profiles =
                            std::get_if<std::vector<std::string>>(
                                &findProfiles->second);
                        if (profiles == nullptr)
                        {
                            BMCWEB_LOG_ERROR << "Pid Profiles Field illegal";
                            messages::internalError(asyncResp->res);
                            return;
                        }
                        if (std::find(profiles->begin(), profiles->end(),
                                      currentProfile) == profiles->end())
                        {
                            BMCWEB_LOG_INFO
                                << name << " not supported in current profile";
                            continue;
                        }
                    }
                    nlohmann::json* config = nullptr;

                    const std::string* classPtr = nullptr;
                    auto findClass = intfPair.second.find("Class");
                    if (findClass != intfPair.second.end())
                    {
                        classPtr = std::get_if<std::string>(&findClass->second);
                    }

                    if (intfPair.first == pidZoneConfigurationIface)
                    {
                        std::string chassis;
                        if (!dbus::utility::getNthStringFromPath(
                                pathPair.first.str, 5, chassis))
                        {
                            chassis = "#IllegalValue";
                        }
                        nlohmann::json& zone = zones[name];
                        zone["Chassis"] = {
                            {"@odata.id", "/redfish/v1/Chassis/" + chassis}};
                        zone["@odata.id"] = "/redfish/v1/Managers/bmc#/Oem/"
                                            "OpenBmc/Fan/FanZones/" +
                                            name;
                        zone["@odata.type"] = "#OemManager.FanZone";
                        config = &zone;
                    }

                    else if (intfPair.first == stepwiseConfigurationIface)
                    {
                        if (classPtr == nullptr)
                        {
                            BMCWEB_LOG_ERROR << "Pid Class Field illegal";
                            messages::internalError(asyncResp->res);
                            return;
                        }

                        nlohmann::json& controller = stepwise[name];
                        config = &controller;

                        controller["@odata.id"] =
                            "/redfish/v1/Managers/bmc#/Oem/"
                            "OpenBmc/Fan/StepwiseControllers/" +
                            name;
                        controller["@odata.type"] =
                            "#OemManager.StepwiseController";

                        controller["Direction"] = *classPtr;
                    }

                    // pid and fans are off the same configuration
                    else if (intfPair.first == pidConfigurationIface)
                    {

                        if (classPtr == nullptr)
                        {
                            BMCWEB_LOG_ERROR << "Pid Class Field illegal";
                            messages::internalError(asyncResp->res);
                            return;
                        }
                        bool isFan = *classPtr == "fan";
                        nlohmann::json& element =
                            isFan ? fans[name] : pids[name];
                        config = &element;
                        if (isFan)
                        {
                            element["@odata.id"] =
                                "/redfish/v1/Managers/bmc#/Oem/"
                                "OpenBmc/Fan/FanControllers/" +
                                name;
                            element["@odata.type"] =
                                "#OemManager.FanController";
                        }
                        else
                        {
                            element["@odata.id"] =
                                "/redfish/v1/Managers/bmc#/Oem/"
                                "OpenBmc/Fan/PidControllers/" +
                                name;
                            element["@odata.type"] =
                                "#OemManager.PidController";
                        }
                    }
                    else
                    {
                        BMCWEB_LOG_ERROR << "Unexpected configuration";
                        messages::internalError(asyncResp->res);
                        return;
                    }

                    // used for making maps out of 2 vectors
                    const std::vector<double>* keys = nullptr;
                    const std::vector<double>* values = nullptr;

                    for (const auto& propertyPair : intfPair.second)
                    {
                        if (propertyPair.first == "Type" ||
                            propertyPair.first == "Class" ||
                            propertyPair.first == "Name")
                        {
                            continue;
                        }

                        // zones
                        if (intfPair.first == pidZoneConfigurationIface)
                        {
                            const double* ptr =
                                std::get_if<double>(&propertyPair.second);
                            if (ptr == nullptr)
                            {
                                BMCWEB_LOG_ERROR << "Field Illegal "
                                                 << propertyPair.first;
                                messages::internalError(asyncResp->res);
                                return;
                            }
                            (*config)[propertyPair.first] = *ptr;
                        }

                        if (intfPair.first == stepwiseConfigurationIface)
                        {
                            if (propertyPair.first == "Reading" ||
                                propertyPair.first == "Output")
                            {
                                const std::vector<double>* ptr =
                                    std::get_if<std::vector<double>>(
                                        &propertyPair.second);

                                if (ptr == nullptr)
                                {
                                    BMCWEB_LOG_ERROR << "Field Illegal "
                                                     << propertyPair.first;
                                    messages::internalError(asyncResp->res);
                                    return;
                                }

                                if (propertyPair.first == "Reading")
                                {
                                    keys = ptr;
                                }
                                else
                                {
                                    values = ptr;
                                }
                                if (keys && values)
                                {
                                    if (keys->size() != values->size())
                                    {
                                        BMCWEB_LOG_ERROR
                                            << "Reading and Output size don't "
                                               "match ";
                                        messages::internalError(asyncResp->res);
                                        return;
                                    }
                                    nlohmann::json& steps = (*config)["Steps"];
                                    steps = nlohmann::json::array();
                                    for (size_t ii = 0; ii < keys->size(); ii++)
                                    {
                                        steps.push_back(
                                            {{"Target", (*keys)[ii]},
                                             {"Output", (*values)[ii]}});
                                    }
                                }
                            }
                            if (propertyPair.first == "NegativeHysteresis" ||
                                propertyPair.first == "PositiveHysteresis")
                            {
                                const double* ptr =
                                    std::get_if<double>(&propertyPair.second);
                                if (ptr == nullptr)
                                {
                                    BMCWEB_LOG_ERROR << "Field Illegal "
                                                     << propertyPair.first;
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                (*config)[propertyPair.first] = *ptr;
                            }
                        }

                        // pid and fans are off the same configuration
                        if (intfPair.first == pidConfigurationIface ||
                            intfPair.first == stepwiseConfigurationIface)
                        {

                            if (propertyPair.first == "Zones")
                            {
                                const std::vector<std::string>* inputs =
                                    std::get_if<std::vector<std::string>>(
                                        &propertyPair.second);

                                if (inputs == nullptr)
                                {
                                    BMCWEB_LOG_ERROR
                                        << "Zones Pid Field Illegal";
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                auto& data = (*config)[propertyPair.first];
                                data = nlohmann::json::array();
                                for (std::string itemCopy : *inputs)
                                {
                                    dbus::utility::escapePathForDbus(itemCopy);
                                    data.push_back(
                                        {{"@odata.id",
                                          "/redfish/v1/Managers/bmc#/Oem/"
                                          "OpenBmc/Fan/FanZones/" +
                                              itemCopy}});
                                }
                            }
                            // todo(james): may never happen, but this
                            // assumes configuration data referenced in the
                            // PID config is provided by the same daemon, we
                            // could add another loop to cover all cases,
                            // but I'm okay kicking this can down the road a
                            // bit

                            else if (propertyPair.first == "Inputs" ||
                                     propertyPair.first == "Outputs")
                            {
                                auto& data = (*config)[propertyPair.first];
                                const std::vector<std::string>* inputs =
                                    std::get_if<std::vector<std::string>>(
                                        &propertyPair.second);

                                if (inputs == nullptr)
                                {
                                    BMCWEB_LOG_ERROR << "Field Illegal "
                                                     << propertyPair.first;
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                data = *inputs;
                            }
                            else if (propertyPair.first == "SetPointOffset")
                            {
                                const std::string* ptr =
                                    std::get_if<std::string>(
                                        &propertyPair.second);

                                if (ptr == nullptr)
                                {
                                    BMCWEB_LOG_ERROR << "Field Illegal "
                                                     << propertyPair.first;
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                // translate from dbus to redfish
                                if (*ptr == "WarningHigh")
                                {
                                    (*config)["SetPointOffset"] =
                                        "UpperThresholdNonCritical";
                                }
                                else if (*ptr == "WarningLow")
                                {
                                    (*config)["SetPointOffset"] =
                                        "LowerThresholdNonCritical";
                                }
                                else if (*ptr == "CriticalHigh")
                                {
                                    (*config)["SetPointOffset"] =
                                        "UpperThresholdCritical";
                                }
                                else if (*ptr == "CriticalLow")
                                {
                                    (*config)["SetPointOffset"] =
                                        "LowerThresholdCritical";
                                }
                                else
                                {
                                    BMCWEB_LOG_ERROR << "Value Illegal "
                                                     << *ptr;
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                            }
                            // doubles
                            else if (propertyPair.first ==
                                         "FFGainCoefficient" ||
                                     propertyPair.first == "FFOffCoefficient" ||
                                     propertyPair.first == "ICoefficient" ||
                                     propertyPair.first == "ILimitMax" ||
                                     propertyPair.first == "ILimitMin" ||
                                     propertyPair.first ==
                                         "PositiveHysteresis" ||
                                     propertyPair.first ==
                                         "NegativeHysteresis" ||
                                     propertyPair.first == "OutLimitMax" ||
                                     propertyPair.first == "OutLimitMin" ||
                                     propertyPair.first == "PCoefficient" ||
                                     propertyPair.first == "SetPoint" ||
                                     propertyPair.first == "SlewNeg" ||
                                     propertyPair.first == "SlewPos")
                            {
                                const double* ptr =
                                    std::get_if<double>(&propertyPair.second);
                                if (ptr == nullptr)
                                {
                                    BMCWEB_LOG_ERROR << "Field Illegal "
                                                     << propertyPair.first;
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                (*config)[propertyPair.first] = *ptr;
                            }
                        }
                    }
                }
            }
        },
        connection, path, objectManagerIface, "GetManagedObjects");
}

enum class CreatePIDRet
{
    fail,
    del,
    patch
};

inline bool getZonesFromJsonReq(const std::shared_ptr<AsyncResp>& response,
                                std::vector<nlohmann::json>& config,
                                std::vector<std::string>& zones)
{
    if (config.empty())
    {
        BMCWEB_LOG_ERROR << "Empty Zones";
        messages::propertyValueFormatError(response->res,
                                           nlohmann::json::array(), "Zones");
        return false;
    }
    for (auto& odata : config)
    {
        std::string path;
        if (!redfish::json_util::readJson(odata, response->res, "@odata.id",
                                          path))
        {
            return false;
        }
        std::string input;

        // 8 below comes from
        // /redfish/v1/Managers/bmc#/Oem/OpenBmc/Fan/FanZones/Left
        //     0    1     2      3    4    5      6     7      8
        if (!dbus::utility::getNthStringFromPath(path, 8, input))
        {
            BMCWEB_LOG_ERROR << "Got invalid path " << path;
            BMCWEB_LOG_ERROR << "Illegal Type Zones";
            messages::propertyValueFormatError(response->res, odata.dump(),
                                               "Zones");
            return false;
        }
        boost::replace_all(input, "_", " ");
        zones.emplace_back(std::move(input));
    }
    return true;
}

inline const dbus::utility::ManagedItem*
    findChassis(const dbus::utility::ManagedObjectType& managedObj,
                const std::string& value, std::string& chassis)
{
    BMCWEB_LOG_DEBUG << "Find Chassis: " << value << "\n";

    std::string escaped = boost::replace_all_copy(value, " ", "_");
    escaped = "/" + escaped;
    auto it = std::find_if(
        managedObj.begin(), managedObj.end(), [&escaped](const auto& obj) {
            if (boost::algorithm::ends_with(obj.first.str, escaped))
            {
                BMCWEB_LOG_DEBUG << "Matched " << obj.first.str << "\n";
                return true;
            }
            return false;
        });

    if (it == managedObj.end())
    {
        return nullptr;
    }
    // 5 comes from <chassis-name> being the 5th element
    // /xyz/openbmc_project/inventory/system/chassis/<chassis-name>
    if (dbus::utility::getNthStringFromPath(it->first.str, 5, chassis))
    {
        return &(*it);
    }

    return nullptr;
}

inline CreatePIDRet createPidInterface(
    const std::shared_ptr<AsyncResp>& response, const std::string& type,
    const nlohmann::json::iterator& it, const std::string& path,
    const dbus::utility::ManagedObjectType& managedObj, bool createNewObject,
    boost::container::flat_map<std::string, dbus::utility::DbusVariantType>&
        output,
    std::string& chassis, const std::string& profile)
{

    // common deleter
    if (it.value() == nullptr)
    {
        std::string iface;
        if (type == "PidControllers" || type == "FanControllers")
        {
            iface = pidConfigurationIface;
        }
        else if (type == "FanZones")
        {
            iface = pidZoneConfigurationIface;
        }
        else if (type == "StepwiseControllers")
        {
            iface = stepwiseConfigurationIface;
        }
        else
        {
            BMCWEB_LOG_ERROR << "Illegal Type " << type;
            messages::propertyUnknown(response->res, type);
            return CreatePIDRet::fail;
        }

        BMCWEB_LOG_DEBUG << "del " << path << " " << iface << "\n";
        // delete interface
        crow::connections::systemBus->async_method_call(
            [response, path](const boost::system::error_code ec) {
                if (ec)
                {
                    BMCWEB_LOG_ERROR << "Error patching " << path << ": " << ec;
                    messages::internalError(response->res);
                    return;
                }
                messages::success(response->res);
            },
            "xyz.openbmc_project.EntityManager", path, iface, "Delete");
        return CreatePIDRet::del;
    }

    const dbus::utility::ManagedItem* managedItem = nullptr;
    if (!createNewObject)
    {
        // if we aren't creating a new object, we should be able to find it on
        // d-bus
        managedItem = findChassis(managedObj, it.key(), chassis);
        if (managedItem == nullptr)
        {
            BMCWEB_LOG_ERROR << "Failed to get chassis from config patch";
            messages::invalidObject(response->res, it.key());
            return CreatePIDRet::fail;
        }
    }

    if (profile.size() &&
        (type == "PidControllers" || type == "FanControllers" ||
         type == "StepwiseControllers"))
    {
        if (managedItem == nullptr)
        {
            output["Profiles"] = std::vector<std::string>{profile};
        }
        else
        {
            std::string interface;
            if (type == "StepwiseControllers")
            {
                interface = stepwiseConfigurationIface;
            }
            else
            {
                interface = pidConfigurationIface;
            }
            auto findConfig = managedItem->second.find(interface);
            if (findConfig == managedItem->second.end())
            {
                BMCWEB_LOG_ERROR
                    << "Failed to find interface in managed object";
                messages::internalError(response->res);
                return CreatePIDRet::fail;
            }
            auto findProfiles = findConfig->second.find("Profiles");
            if (findProfiles != findConfig->second.end())
            {
                const std::vector<std::string>* curProfiles =
                    std::get_if<std::vector<std::string>>(
                        &(findProfiles->second));
                if (curProfiles == nullptr)
                {
                    BMCWEB_LOG_ERROR << "Illegal profiles in managed object";
                    messages::internalError(response->res);
                    return CreatePIDRet::fail;
                }
                if (std::find(curProfiles->begin(), curProfiles->end(),
                              profile) == curProfiles->end())
                {
                    std::vector<std::string> newProfiles = *curProfiles;
                    newProfiles.push_back(profile);
                    output["Profiles"] = newProfiles;
                }
            }
        }
    }

    if (type == "PidControllers" || type == "FanControllers")
    {
        if (createNewObject)
        {
            output["Class"] = type == "PidControllers" ? std::string("temp")
                                                       : std::string("fan");
            output["Type"] = std::string("Pid");
        }

        std::optional<std::vector<nlohmann::json>> zones;
        std::optional<std::vector<std::string>> inputs;
        std::optional<std::vector<std::string>> outputs;
        std::map<std::string, std::optional<double>> doubles;
        std::optional<std::string> setpointOffset;
        if (!redfish::json_util::readJson(
                it.value(), response->res, "Inputs", inputs, "Outputs", outputs,
                "Zones", zones, "FFGainCoefficient",
                doubles["FFGainCoefficient"], "FFOffCoefficient",
                doubles["FFOffCoefficient"], "ICoefficient",
                doubles["ICoefficient"], "ILimitMax", doubles["ILimitMax"],
                "ILimitMin", doubles["ILimitMin"], "OutLimitMax",
                doubles["OutLimitMax"], "OutLimitMin", doubles["OutLimitMin"],
                "PCoefficient", doubles["PCoefficient"], "SetPoint",
                doubles["SetPoint"], "SetPointOffset", setpointOffset,
                "SlewNeg", doubles["SlewNeg"], "SlewPos", doubles["SlewPos"],
                "PositiveHysteresis", doubles["PositiveHysteresis"],
                "NegativeHysteresis", doubles["NegativeHysteresis"]))
        {
            BMCWEB_LOG_ERROR
                << "Illegal Property "
                << it.value().dump(2, ' ', true,
                                   nlohmann::json::error_handler_t::replace);
            return CreatePIDRet::fail;
        }
        if (zones)
        {
            std::vector<std::string> zonesStr;
            if (!getZonesFromJsonReq(response, *zones, zonesStr))
            {
                BMCWEB_LOG_ERROR << "Illegal Zones";
                return CreatePIDRet::fail;
            }
            if (chassis.empty() &&
                !findChassis(managedObj, zonesStr[0], chassis))
            {
                BMCWEB_LOG_ERROR << "Failed to get chassis from config patch";
                messages::invalidObject(response->res, it.key());
                return CreatePIDRet::fail;
            }

            output["Zones"] = std::move(zonesStr);
        }
        if (inputs || outputs)
        {
            std::array<std::optional<std::vector<std::string>>*, 2> containers =
                {&inputs, &outputs};
            size_t index = 0;
            for (const auto& containerPtr : containers)
            {
                std::optional<std::vector<std::string>>& container =
                    *containerPtr;
                if (!container)
                {
                    index++;
                    continue;
                }

                for (std::string& value : *container)
                {
                    boost::replace_all(value, "_", " ");
                }
                std::string key;
                if (index == 0)
                {
                    key = "Inputs";
                }
                else
                {
                    key = "Outputs";
                }
                output[key] = *container;
                index++;
            }
        }

        if (setpointOffset)
        {
            // translate between redfish and dbus names
            if (*setpointOffset == "UpperThresholdNonCritical")
            {
                output["SetPointOffset"] = std::string("WarningLow");
            }
            else if (*setpointOffset == "LowerThresholdNonCritical")
            {
                output["SetPointOffset"] = std::string("WarningHigh");
            }
            else if (*setpointOffset == "LowerThresholdCritical")
            {
                output["SetPointOffset"] = std::string("CriticalLow");
            }
            else if (*setpointOffset == "UpperThresholdCritical")
            {
                output["SetPointOffset"] = std::string("CriticalHigh");
            }
            else
            {
                BMCWEB_LOG_ERROR << "Invalid setpointoffset "
                                 << *setpointOffset;
                messages::invalidObject(response->res, it.key());
                return CreatePIDRet::fail;
            }
        }

        // doubles
        for (const auto& pairs : doubles)
        {
            if (!pairs.second)
            {
                continue;
            }
            BMCWEB_LOG_DEBUG << pairs.first << " = " << *pairs.second;
            output[pairs.first] = *(pairs.second);
        }
    }

    else if (type == "FanZones")
    {
        output["Type"] = std::string("Pid.Zone");

        std::optional<nlohmann::json> chassisContainer;
        std::optional<double> failSafePercent;
        std::optional<double> minThermalOutput;
        if (!redfish::json_util::readJson(it.value(), response->res, "Chassis",
                                          chassisContainer, "FailSafePercent",
                                          failSafePercent, "MinThermalOutput",
                                          minThermalOutput))
        {
            BMCWEB_LOG_ERROR
                << "Illegal Property "
                << it.value().dump(2, ' ', true,
                                   nlohmann::json::error_handler_t::replace);
            return CreatePIDRet::fail;
        }

        if (chassisContainer)
        {

            std::string chassisId;
            if (!redfish::json_util::readJson(*chassisContainer, response->res,
                                              "@odata.id", chassisId))
            {
                BMCWEB_LOG_ERROR
                    << "Illegal Property "
                    << chassisContainer->dump(
                           2, ' ', true,
                           nlohmann::json::error_handler_t::replace);
                return CreatePIDRet::fail;
            }

            // /redfish/v1/chassis/chassis_name/
            if (!dbus::utility::getNthStringFromPath(chassisId, 3, chassis))
            {
                BMCWEB_LOG_ERROR << "Got invalid path " << chassisId;
                messages::invalidObject(response->res, chassisId);
                return CreatePIDRet::fail;
            }
        }
        if (minThermalOutput)
        {
            output["MinThermalOutput"] = *minThermalOutput;
        }
        if (failSafePercent)
        {
            output["FailSafePercent"] = *failSafePercent;
        }
    }
    else if (type == "StepwiseControllers")
    {
        output["Type"] = std::string("Stepwise");

        std::optional<std::vector<nlohmann::json>> zones;
        std::optional<std::vector<nlohmann::json>> steps;
        std::optional<std::vector<std::string>> inputs;
        std::optional<double> positiveHysteresis;
        std::optional<double> negativeHysteresis;
        std::optional<std::string> direction; // upper clipping curve vs lower
        if (!redfish::json_util::readJson(
                it.value(), response->res, "Zones", zones, "Steps", steps,
                "Inputs", inputs, "PositiveHysteresis", positiveHysteresis,
                "NegativeHysteresis", negativeHysteresis, "Direction",
                direction))
        {
            BMCWEB_LOG_ERROR
                << "Illegal Property "
                << it.value().dump(2, ' ', true,
                                   nlohmann::json::error_handler_t::replace);
            return CreatePIDRet::fail;
        }

        if (zones)
        {
            std::vector<std::string> zonesStrs;
            if (!getZonesFromJsonReq(response, *zones, zonesStrs))
            {
                BMCWEB_LOG_ERROR << "Illegal Zones";
                return CreatePIDRet::fail;
            }
            if (chassis.empty() &&
                !findChassis(managedObj, zonesStrs[0], chassis))
            {
                BMCWEB_LOG_ERROR << "Failed to get chassis from config patch";
                messages::invalidObject(response->res, it.key());
                return CreatePIDRet::fail;
            }
            output["Zones"] = std::move(zonesStrs);
        }
        if (steps)
        {
            std::vector<double> readings;
            std::vector<double> outputs;
            for (auto& step : *steps)
            {
                double target;
                double out;

                if (!redfish::json_util::readJson(step, response->res, "Target",
                                                  target, "Output", out))
                {
                    BMCWEB_LOG_ERROR
                        << "Illegal Property "
                        << it.value().dump(
                               2, ' ', true,
                               nlohmann::json::error_handler_t::replace);
                    return CreatePIDRet::fail;
                }
                readings.emplace_back(target);
                outputs.emplace_back(out);
            }
            output["Reading"] = std::move(readings);
            output["Output"] = std::move(outputs);
        }
        if (inputs)
        {
            for (std::string& value : *inputs)
            {
                boost::replace_all(value, "_", " ");
            }
            output["Inputs"] = std::move(*inputs);
        }
        if (negativeHysteresis)
        {
            output["NegativeHysteresis"] = *negativeHysteresis;
        }
        if (positiveHysteresis)
        {
            output["PositiveHysteresis"] = *positiveHysteresis;
        }
        if (direction)
        {
            constexpr const std::array<const char*, 2> allowedDirections = {
                "Ceiling", "Floor"};
            if (std::find(allowedDirections.begin(), allowedDirections.end(),
                          *direction) == allowedDirections.end())
            {
                messages::propertyValueTypeError(response->res, "Direction",
                                                 *direction);
                return CreatePIDRet::fail;
            }
            output["Class"] = *direction;
        }
    }
    else
    {
        BMCWEB_LOG_ERROR << "Illegal Type " << type;
        messages::propertyUnknown(response->res, type);
        return CreatePIDRet::fail;
    }
    return CreatePIDRet::patch;
}
struct GetPIDValues : std::enable_shared_from_this<GetPIDValues>
{

    GetPIDValues(const std::shared_ptr<AsyncResp>& asyncRespIn) :
        asyncResp(asyncRespIn)

    {}

    void run()
    {
        std::shared_ptr<GetPIDValues> self = shared_from_this();

        // get all configurations
        crow::connections::systemBus->async_method_call(
            [self](const boost::system::error_code ec,
                   const crow::openbmc_mapper::GetSubTreeType& subtreeLocal) {
                if (ec)
                {
                    BMCWEB_LOG_ERROR << ec;
                    messages::internalError(self->asyncResp->res);
                    return;
                }
                self->subtree = subtreeLocal;
            },
            "xyz.openbmc_project.ObjectMapper",
            "/xyz/openbmc_project/object_mapper",
            "xyz.openbmc_project.ObjectMapper", "GetSubTree", "/", 0,
            std::array<const char*, 4>{
                pidConfigurationIface, pidZoneConfigurationIface,
                objectManagerIface, stepwiseConfigurationIface});

        // at the same time get the selected profile
        crow::connections::systemBus->async_method_call(
            [self](const boost::system::error_code ec,
                   const crow::openbmc_mapper::GetSubTreeType& subtreeLocal) {
                if (ec || subtreeLocal.empty())
                {
                    return;
                }
                if (subtreeLocal[0].second.size() != 1)
                {
                    // invalid mapper response, should never happen
                    BMCWEB_LOG_ERROR << "GetPIDValues: Mapper Error";
                    messages::internalError(self->asyncResp->res);
                    return;
                }

                const std::string& path = subtreeLocal[0].first;
                const std::string& owner = subtreeLocal[0].second[0].first;
                crow::connections::systemBus->async_method_call(
                    [path, owner, self](
                        const boost::system::error_code ec2,
                        const boost::container::flat_map<
                            std::string, std::variant<std::vector<std::string>,
                                                      std::string>>& resp) {
                        if (ec2)
                        {
                            BMCWEB_LOG_ERROR << "GetPIDValues: Can't get "
                                                "thermalModeIface "
                                             << path;
                            messages::internalError(self->asyncResp->res);
                            return;
                        }
                        const std::string* current = nullptr;
                        const std::vector<std::string>* supported = nullptr;
                        for (auto& [key, value] : resp)
                        {
                            if (key == "Current")
                            {
                                current = std::get_if<std::string>(&value);
                                if (current == nullptr)
                                {
                                    BMCWEB_LOG_ERROR
                                        << "GetPIDValues: thermal mode "
                                           "iface invalid "
                                        << path;
                                    messages::internalError(
                                        self->asyncResp->res);
                                    return;
                                }
                            }
                            if (key == "Supported")
                            {
                                supported =
                                    std::get_if<std::vector<std::string>>(
                                        &value);
                                if (supported == nullptr)
                                {
                                    BMCWEB_LOG_ERROR
                                        << "GetPIDValues: thermal mode "
                                           "iface invalid"
                                        << path;
                                    messages::internalError(
                                        self->asyncResp->res);
                                    return;
                                }
                            }
                        }
                        if (current == nullptr || supported == nullptr)
                        {
                            BMCWEB_LOG_ERROR << "GetPIDValues: thermal mode "
                                                "iface invalid "
                                             << path;
                            messages::internalError(self->asyncResp->res);
                            return;
                        }
                        self->currentProfile = *current;
                        self->supportedProfiles = *supported;
                    },
                    owner, path, "org.freedesktop.DBus.Properties", "GetAll",
                    thermalModeIface);
            },
            "xyz.openbmc_project.ObjectMapper",
            "/xyz/openbmc_project/object_mapper",
            "xyz.openbmc_project.ObjectMapper", "GetSubTree", "/", 0,
            std::array<const char*, 1>{thermalModeIface});
    }

    ~GetPIDValues()
    {
        if (asyncResp->res.result() != boost::beast::http::status::ok)
        {
            return;
        }
        // create map of <connection, path to objMgr>>
        boost::container::flat_map<std::string, std::string> objectMgrPaths;
        boost::container::flat_set<std::string> calledConnections;
        for (const auto& pathGroup : subtree)
        {
            for (const auto& connectionGroup : pathGroup.second)
            {
                auto findConnection =
                    calledConnections.find(connectionGroup.first);
                if (findConnection != calledConnections.end())
                {
                    break;
                }
                for (const std::string& interface : connectionGroup.second)
                {
                    if (interface == objectManagerIface)
                    {
                        objectMgrPaths[connectionGroup.first] = pathGroup.first;
                    }
                    // this list is alphabetical, so we
                    // should have found the objMgr by now
                    if (interface == pidConfigurationIface ||
                        interface == pidZoneConfigurationIface ||
                        interface == stepwiseConfigurationIface)
                    {
                        auto findObjMgr =
                            objectMgrPaths.find(connectionGroup.first);
                        if (findObjMgr == objectMgrPaths.end())
                        {
                            BMCWEB_LOG_DEBUG << connectionGroup.first
                                             << "Has no Object Manager";
                            continue;
                        }

                        calledConnections.insert(connectionGroup.first);

                        asyncPopulatePid(findObjMgr->first, findObjMgr->second,
                                         currentProfile, supportedProfiles,
                                         asyncResp);
                        break;
                    }
                }
            }
        }
    }

    std::vector<std::string> supportedProfiles;
    std::string currentProfile;
    crow::openbmc_mapper::GetSubTreeType subtree;
    std::shared_ptr<AsyncResp> asyncResp;
};

struct SetPIDValues : std::enable_shared_from_this<SetPIDValues>
{

    SetPIDValues(const std::shared_ptr<AsyncResp>& asyncRespIn,
                 nlohmann::json& data) :
        asyncResp(asyncRespIn)
    {

        std::optional<nlohmann::json> pidControllers;
        std::optional<nlohmann::json> fanControllers;
        std::optional<nlohmann::json> fanZones;
        std::optional<nlohmann::json> stepwiseControllers;

        if (!redfish::json_util::readJson(
                data, asyncResp->res, "PidControllers", pidControllers,
                "FanControllers", fanControllers, "FanZones", fanZones,
                "StepwiseControllers", stepwiseControllers, "Profile", profile))
        {
            BMCWEB_LOG_ERROR
                << "Illegal Property "
                << data.dump(2, ' ', true,
                             nlohmann::json::error_handler_t::replace);
            return;
        }
        configuration.emplace_back("PidControllers", std::move(pidControllers));
        configuration.emplace_back("FanControllers", std::move(fanControllers));
        configuration.emplace_back("FanZones", std::move(fanZones));
        configuration.emplace_back("StepwiseControllers",
                                   std::move(stepwiseControllers));
    }
    void run()
    {
        if (asyncResp->res.result() != boost::beast::http::status::ok)
        {
            return;
        }

        std::shared_ptr<SetPIDValues> self = shared_from_this();

        // todo(james): might make sense to do a mapper call here if this
        // interface gets more traction
        crow::connections::systemBus->async_method_call(
            [self](const boost::system::error_code ec,
                   dbus::utility::ManagedObjectType& mObj) {
                if (ec)
                {
                    BMCWEB_LOG_ERROR << "Error communicating to Entity Manager";
                    messages::internalError(self->asyncResp->res);
                    return;
                }
                const std::array<const char*, 3> configurations = {
                    pidConfigurationIface, pidZoneConfigurationIface,
                    stepwiseConfigurationIface};

                for (const auto& [path, object] : mObj)
                {
                    for (const auto& [interface, _] : object)
                    {
                        if (std::find(configurations.begin(),
                                      configurations.end(),
                                      interface) != configurations.end())
                        {
                            self->objectCount++;
                            break;
                        }
                    }
                }
                self->managedObj = std::move(mObj);
            },
            "xyz.openbmc_project.EntityManager", "/", objectManagerIface,
            "GetManagedObjects");

        // at the same time get the profile information
        crow::connections::systemBus->async_method_call(
            [self](const boost::system::error_code ec,
                   const crow::openbmc_mapper::GetSubTreeType& subtree) {
                if (ec || subtree.empty())
                {
                    return;
                }
                if (subtree[0].second.empty())
                {
                    // invalid mapper response, should never happen
                    BMCWEB_LOG_ERROR << "SetPIDValues: Mapper Error";
                    messages::internalError(self->asyncResp->res);
                    return;
                }

                const std::string& path = subtree[0].first;
                const std::string& owner = subtree[0].second[0].first;
                crow::connections::systemBus->async_method_call(
                    [self, path, owner](
                        const boost::system::error_code ec2,
                        const boost::container::flat_map<
                            std::string, std::variant<std::vector<std::string>,
                                                      std::string>>& r) {
                        if (ec2)
                        {
                            BMCWEB_LOG_ERROR << "SetPIDValues: Can't get "
                                                "thermalModeIface "
                                             << path;
                            messages::internalError(self->asyncResp->res);
                            return;
                        }
                        const std::string* current = nullptr;
                        const std::vector<std::string>* supported = nullptr;
                        for (auto& [key, value] : r)
                        {
                            if (key == "Current")
                            {
                                current = std::get_if<std::string>(&value);
                                if (current == nullptr)
                                {
                                    BMCWEB_LOG_ERROR
                                        << "SetPIDValues: thermal mode "
                                           "iface invalid "
                                        << path;
                                    messages::internalError(
                                        self->asyncResp->res);
                                    return;
                                }
                            }
                            if (key == "Supported")
                            {
                                supported =
                                    std::get_if<std::vector<std::string>>(
                                        &value);
                                if (supported == nullptr)
                                {
                                    BMCWEB_LOG_ERROR
                                        << "SetPIDValues: thermal mode "
                                           "iface invalid"
                                        << path;
                                    messages::internalError(
                                        self->asyncResp->res);
                                    return;
                                }
                            }
                        }
                        if (current == nullptr || supported == nullptr)
                        {
                            BMCWEB_LOG_ERROR << "SetPIDValues: thermal mode "
                                                "iface invalid "
                                             << path;
                            messages::internalError(self->asyncResp->res);
                            return;
                        }
                        self->currentProfile = *current;
                        self->supportedProfiles = *supported;
                        self->profileConnection = owner;
                        self->profilePath = path;
                    },
                    owner, path, "org.freedesktop.DBus.Properties", "GetAll",
                    thermalModeIface);
            },
            "xyz.openbmc_project.ObjectMapper",
            "/xyz/openbmc_project/object_mapper",
            "xyz.openbmc_project.ObjectMapper", "GetSubTree", "/", 0,
            std::array<const char*, 1>{thermalModeIface});
    }
    ~SetPIDValues()
    {
        if (asyncResp->res.result() != boost::beast::http::status::ok)
        {
            return;
        }

        std::shared_ptr<AsyncResp> response = asyncResp;

        if (profile)
        {
            if (std::find(supportedProfiles.begin(), supportedProfiles.end(),
                          *profile) == supportedProfiles.end())
            {
                messages::actionParameterUnknown(response->res, "Profile",
                                                 *profile);
                return;
            }
            currentProfile = *profile;
            crow::connections::systemBus->async_method_call(
                [response](const boost::system::error_code ec) {
                    if (ec)
                    {
                        BMCWEB_LOG_ERROR << "Error patching profile" << ec;
                        messages::internalError(response->res);
                    }
                },
                profileConnection, profilePath,
                "org.freedesktop.DBus.Properties", "Set", thermalModeIface,
                "Current", std::variant<std::string>(*profile));
        }

        for (auto& containerPair : configuration)
        {
            auto& container = containerPair.second;
            if (!container)
            {
                continue;
            }
            BMCWEB_LOG_DEBUG << *container;

            std::string& type = containerPair.first;

            for (nlohmann::json::iterator it = container->begin();
                 it != container->end(); ++it)
            {
                const auto& name = it.key();
                BMCWEB_LOG_DEBUG << "looking for " << name;

                auto pathItr =
                    std::find_if(managedObj.begin(), managedObj.end(),
                                 [&name](const auto& obj) {
                                     return boost::algorithm::ends_with(
                                         obj.first.str, "/" + name);
                                 });
                boost::container::flat_map<std::string,
                                           dbus::utility::DbusVariantType>
                    output;

                output.reserve(16); // The pid interface length

                // determines if we're patching entity-manager or
                // creating a new object
                bool createNewObject = (pathItr == managedObj.end());
                BMCWEB_LOG_DEBUG << "Found = " << !createNewObject;

                std::string iface;
                if (type == "PidControllers" || type == "FanControllers")
                {
                    iface = pidConfigurationIface;
                    if (!createNewObject &&
                        pathItr->second.find(pidConfigurationIface) ==
                            pathItr->second.end())
                    {
                        createNewObject = true;
                    }
                }
                else if (type == "FanZones")
                {
                    iface = pidZoneConfigurationIface;
                    if (!createNewObject &&
                        pathItr->second.find(pidZoneConfigurationIface) ==
                            pathItr->second.end())
                    {

                        createNewObject = true;
                    }
                }
                else if (type == "StepwiseControllers")
                {
                    iface = stepwiseConfigurationIface;
                    if (!createNewObject &&
                        pathItr->second.find(stepwiseConfigurationIface) ==
                            pathItr->second.end())
                    {
                        createNewObject = true;
                    }
                }

                if (createNewObject && it.value() == nullptr)
                {
                    // can't delete a non-existent object
                    messages::invalidObject(response->res, name);
                    continue;
                }

                std::string path;
                if (pathItr != managedObj.end())
                {
                    path = pathItr->first.str;
                }

                BMCWEB_LOG_DEBUG << "Create new = " << createNewObject << "\n";

                // arbitrary limit to avoid attacks
                constexpr const size_t controllerLimit = 500;
                if (createNewObject && objectCount >= controllerLimit)
                {
                    messages::resourceExhaustion(response->res, type);
                    continue;
                }

                output["Name"] = boost::replace_all_copy(name, "_", " ");

                std::string chassis;
                CreatePIDRet ret = createPidInterface(
                    response, type, it, path, managedObj, createNewObject,
                    output, chassis, currentProfile);
                if (ret == CreatePIDRet::fail)
                {
                    return;
                }
                if (ret == CreatePIDRet::del)
                {
                    continue;
                }

                if (!createNewObject)
                {
                    for (const auto& property : output)
                    {
                        crow::connections::systemBus->async_method_call(
                            [response,
                             propertyName{std::string(property.first)}](
                                const boost::system::error_code ec) {
                                if (ec)
                                {
                                    BMCWEB_LOG_ERROR << "Error patching "
                                                     << propertyName << ": "
                                                     << ec;
                                    messages::internalError(response->res);
                                    return;
                                }
                                messages::success(response->res);
                            },
                            "xyz.openbmc_project.EntityManager", path,
                            "org.freedesktop.DBus.Properties", "Set", iface,
                            property.first, property.second);
                    }
                }
                else
                {
                    if (chassis.empty())
                    {
                        BMCWEB_LOG_ERROR << "Failed to get chassis from config";
                        messages::invalidObject(response->res, name);
                        return;
                    }

                    bool foundChassis = false;
                    for (const auto& obj : managedObj)
                    {
                        if (boost::algorithm::ends_with(obj.first.str, chassis))
                        {
                            chassis = obj.first.str;
                            foundChassis = true;
                            break;
                        }
                    }
                    if (!foundChassis)
                    {
                        BMCWEB_LOG_ERROR << "Failed to find chassis on dbus";
                        messages::resourceMissingAtURI(
                            response->res, "/redfish/v1/Chassis/" + chassis);
                        return;
                    }

                    crow::connections::systemBus->async_method_call(
                        [response](const boost::system::error_code ec) {
                            if (ec)
                            {
                                BMCWEB_LOG_ERROR << "Error Adding Pid Object "
                                                 << ec;
                                messages::internalError(response->res);
                                return;
                            }
                            messages::success(response->res);
                        },
                        "xyz.openbmc_project.EntityManager", chassis,
                        "xyz.openbmc_project.AddObject", "AddObject", output);
                }
            }
        }
    }
    std::shared_ptr<AsyncResp> asyncResp;
    std::vector<std::pair<std::string, std::optional<nlohmann::json>>>
        configuration;
    std::optional<std::string> profile;
    dbus::utility::ManagedObjectType managedObj;
    std::vector<std::string> supportedProfiles;
    std::string currentProfile;
    std::string profileConnection;
    std::string profilePath;
    size_t objectCount = 0;
};

/**
 * @brief Retrieves BMC manager location data over DBus
 *
 * @param[in] aResp Shared pointer for completing asynchronous calls
 * @param[in] connectionName - service name
 * @param[in] path - object path
 * @return none
 */
inline void getLocation(const std::shared_ptr<AsyncResp>& aResp,
                        const std::string& connectionName,
                        const std::string& path)
{
    BMCWEB_LOG_DEBUG << "Get BMC manager Location data.";

    crow::connections::systemBus->async_method_call(
        [aResp](const boost::system::error_code ec,
                const std::variant<std::string>& property) {
            if (ec)
            {
                BMCWEB_LOG_DEBUG << "DBUS response error for "
                                    "Location";
                messages::internalError(aResp->res);
                return;
            }

            const std::string* value = std::get_if<std::string>(&property);

            if (value == nullptr)
            {
                // illegal value
                messages::internalError(aResp->res);
                return;
            }

            aResp->res.jsonValue["Location"]["PartLocation"]["ServiceLabel"] =
                *value;
        },
        connectionName, path, "org.freedesktop.DBus.Properties", "Get",
        "xyz.openbmc_project.Inventory.Decorator."
        "LocationCode",
        "LocationCode");
}

class Manager : public Node
{
  public:
    Manager(App& app) : Node(app, "/redfish/v1/Managers/bmc/")
    {

        uuid = persistent_data::getConfig().systemUuid;
        entityPrivileges = {
            {boost::beast::http::verb::get, {{"Login"}}},
            {boost::beast::http::verb::head, {{"Login"}}},
            {boost::beast::http::verb::patch, {{"ConfigureManager"}}},
            {boost::beast::http::verb::put, {{"ConfigureManager"}}},
            {boost::beast::http::verb::delete_, {{"ConfigureManager"}}},
            {boost::beast::http::verb::post, {{"ConfigureManager"}}}};
    }

  private:
    void doGet(crow::Response& res, const crow::Request&,
               const std::vector<std::string>&) override
    {
        res.jsonValue["@odata.id"] = "/redfish/v1/Managers/bmc";
        res.jsonValue["@odata.type"] = "#Manager.v1_11_0.Manager";
        res.jsonValue["Id"] = "bmc";
        res.jsonValue["Name"] = "OpenBmc Manager";
        res.jsonValue["Description"] = "Baseboard Management Controller";
        res.jsonValue["PowerState"] = "On";
        res.jsonValue["Status"] = {{"State", "Enabled"}, {"Health", "OK"}};
        res.jsonValue["ManagerType"] = "BMC";
        res.jsonValue["UUID"] = systemd_utils::getUuid();
        res.jsonValue["ServiceEntryPointUUID"] = uuid;
        res.jsonValue["Model"] = "OpenBmc"; // TODO(ed), get model

        res.jsonValue["LogServices"] = {
            {"@odata.id", "/redfish/v1/Managers/bmc/LogServices"}};

        res.jsonValue["NetworkProtocol"] = {
            {"@odata.id", "/redfish/v1/Managers/bmc/NetworkProtocol"}};

        res.jsonValue["EthernetInterfaces"] = {
            {"@odata.id", "/redfish/v1/Managers/bmc/EthernetInterfaces"}};

#ifdef BMCWEB_ENABLE_VM_NBDPROXY
        res.jsonValue["VirtualMedia"] = {
            {"@odata.id", "/redfish/v1/Managers/bmc/VirtualMedia"}};
#endif // BMCWEB_ENABLE_VM_NBDPROXY

        // default oem data
        nlohmann::json& oem = res.jsonValue["Oem"];
        nlohmann::json& oemOpenbmc = oem["OpenBmc"];
        oem["@odata.type"] = "#OemManager.Oem";
        oem["@odata.id"] = "/redfish/v1/Managers/bmc#/Oem";
        oemOpenbmc["@odata.type"] = "#OemManager.OpenBmc";
        oemOpenbmc["@odata.id"] = "/redfish/v1/Managers/bmc#/Oem/OpenBmc";
        oemOpenbmc["Certificates"] = {
            {"@odata.id", "/redfish/v1/Managers/bmc/Truststore/Certificates"}};

        // Manager.Reset (an action) can be many values, OpenBMC only supports
        // BMC reboot.
        nlohmann::json& managerReset =
            res.jsonValue["Actions"]["#Manager.Reset"];
        managerReset["target"] =
            "/redfish/v1/Managers/bmc/Actions/Manager.Reset";
        managerReset["@Redfish.ActionInfo"] =
            "/redfish/v1/Managers/bmc/ResetActionInfo";

        // ResetToDefaults (Factory Reset) has values like
        // PreserveNetworkAndUsers and PreserveNetwork that aren't supported
        // on OpenBMC
        nlohmann::json& resetToDefaults =
            res.jsonValue["Actions"]["#Manager.ResetToDefaults"];
        resetToDefaults["target"] =
            "/redfish/v1/Managers/bmc/Actions/Manager.ResetToDefaults";
        resetToDefaults["ResetType@Redfish.AllowableValues"] = {"ResetAll"};

        res.jsonValue["DateTime"] = crow::utility::dateTimeNow();

        // Fill in SerialConsole info
        res.jsonValue["SerialConsole"]["ServiceEnabled"] = true;
        res.jsonValue["SerialConsole"]["MaxConcurrentSessions"] = 15;
        res.jsonValue["SerialConsole"]["ConnectTypesSupported"] = {"IPMI",
                                                                   "SSH"};
#ifdef BMCWEB_ENABLE_KVM
        // Fill in GraphicalConsole info
        res.jsonValue["GraphicalConsole"]["ServiceEnabled"] = true;
        res.jsonValue["GraphicalConsole"]["MaxConcurrentSessions"] = 4;
        res.jsonValue["GraphicalConsole"]["ConnectTypesSupported"] = {"KVMIP"};
#endif // BMCWEB_ENABLE_KVM

        res.jsonValue["Links"]["ManagerForServers@odata.count"] = 1;
        res.jsonValue["Links"]["ManagerForServers"] = {
            {{"@odata.id", "/redfish/v1/Systems/system"}}};

        std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);

        auto health = std::make_shared<HealthPopulate>(asyncResp);
        health->isManagersHealth = true;
        health->populate();

        fw_util::populateFirmwareInformation(asyncResp, fw_util::bmcPurpose,
                                             "FirmwareVersion", true);

        getLastResetTime(asyncResp);

        auto pids = std::make_shared<GetPIDValues>(asyncResp);
        pids->run();

        getMainChassisId(asyncResp, [](const std::string& chassisId,
                                       const std::shared_ptr<AsyncResp>& aRsp) {
            aRsp->res.jsonValue["Links"]["ManagerForChassis@odata.count"] = 1;
            aRsp->res.jsonValue["Links"]["ManagerForChassis"] = {
                {{"@odata.id", "/redfish/v1/Chassis/" + chassisId}}};
            aRsp->res.jsonValue["Links"]["ManagerInChassis"] = {
                {"@odata.id", "/redfish/v1/Chassis/" + chassisId}};
        });

        static bool started = false;

        if (!started)
        {
            crow::connections::systemBus->async_method_call(
                [asyncResp](const boost::system::error_code ec,
                            const std::variant<double>& resp) {
                    if (ec)
                    {
                        BMCWEB_LOG_ERROR << "Error while getting progress";
                        messages::internalError(asyncResp->res);
                        return;
                    }
                    const double* val = std::get_if<double>(&resp);
                    if (val == nullptr)
                    {
                        BMCWEB_LOG_ERROR
                            << "Invalid response while getting progress";
                        messages::internalError(asyncResp->res);
                        return;
                    }
                    if (*val < 1.0)
                    {
                        asyncResp->res.jsonValue["Status"]["State"] =
                            "Starting";
                        started = true;
                    }
                },
                "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
                "org.freedesktop.DBus.Properties", "Get",
                "org.freedesktop.systemd1.Manager", "Progress");
        }

        crow::connections::systemBus->async_method_call(
            [asyncResp](
                const boost::system::error_code ec,
                const std::vector<std::pair<
                    std::string, std::vector<std::pair<
                                     std::string, std::vector<std::string>>>>>&
                    subtree) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG << "D-Bus response error on GetSubTree "
                                     << ec;
                    return;
                }
                if (subtree.size() == 0)
                {
                    BMCWEB_LOG_DEBUG << "Can't find bmc D-Bus object!";
                    return;
                }
                // Assume only 1 bmc D-Bus object
                // Throw an error if there is more than 1
                if (subtree.size() > 1)
                {
                    BMCWEB_LOG_DEBUG << "Found more than 1 bmc D-Bus object!";
                    messages::internalError(asyncResp->res);
                    return;
                }

                if (subtree[0].first.empty() || subtree[0].second.size() != 1)
                {
                    BMCWEB_LOG_DEBUG << "Error getting bmc D-Bus object!";
                    messages::internalError(asyncResp->res);
                    return;
                }

                const std::string& path = subtree[0].first;
                const std::string& connectionName = subtree[0].second[0].first;

                for (const auto& interfaceName : subtree[0].second[0].second)
                {
                    if (interfaceName ==
                        "xyz.openbmc_project.Inventory.Decorator.Asset")
                    {
                        crow::connections::systemBus->async_method_call(
                            [asyncResp](
                                const boost::system::error_code ec,
                                const std::vector<std::pair<
                                    std::string, std::variant<std::string>>>&
                                    propertiesList) {
                                if (ec)
                                {
                                    BMCWEB_LOG_DEBUG << "Can't get bmc asset!";
                                    return;
                                }
                                for (const std::pair<std::string,
                                                     std::variant<std::string>>&
                                         property : propertiesList)
                                {
                                    const std::string& propertyName =
                                        property.first;

                                    if ((propertyName == "PartNumber") ||
                                        (propertyName == "SerialNumber") ||
                                        (propertyName == "Manufacturer") ||
                                        (propertyName == "Model") ||
                                        (propertyName == "SparePartNumber"))
                                    {
                                        const std::string* value =
                                            std::get_if<std::string>(
                                                &property.second);
                                        if (value == nullptr)
                                        {
                                            // illegal property
                                            messages::internalError(
                                                asyncResp->res);
                                            continue;
                                        }
                                        asyncResp->res.jsonValue[propertyName] =
                                            *value;
                                    }
                                }
                            },
                            connectionName, path,
                            "org.freedesktop.DBus.Properties", "GetAll",
                            "xyz.openbmc_project.Inventory.Decorator.Asset");
                    }
                    else if (interfaceName == "xyz.openbmc_project.Inventory."
                                              "Decorator.LocationCode")
                    {
                        getLocation(asyncResp, connectionName, path);
                    }
                }
            },
            "xyz.openbmc_project.ObjectMapper",
            "/xyz/openbmc_project/object_mapper",
            "xyz.openbmc_project.ObjectMapper", "GetSubTree",
            "/xyz/openbmc_project/inventory", int32_t(0),
            std::array<const char*, 1>{
                "xyz.openbmc_project.Inventory.Item.Bmc"});
    }

    void doPatch(crow::Response& res, const crow::Request& req,
                 const std::vector<std::string>&) override
    {
        std::optional<nlohmann::json> oem;
        std::optional<nlohmann::json> links;
        std::optional<std::string> datetime;
        std::shared_ptr<AsyncResp> response = std::make_shared<AsyncResp>(res);

        if (!json_util::readJson(req, response->res, "Oem", oem, "DateTime",
                                 datetime, "Links", links))
        {
            return;
        }

        if (oem)
        {
            std::optional<nlohmann::json> openbmc;
            if (!redfish::json_util::readJson(*oem, res, "OpenBmc", openbmc))
            {
                BMCWEB_LOG_ERROR
                    << "Illegal Property "
                    << oem->dump(2, ' ', true,
                                 nlohmann::json::error_handler_t::replace);
                return;
            }
            if (openbmc)
            {
                std::optional<nlohmann::json> fan;
                if (!redfish::json_util::readJson(*openbmc, res, "Fan", fan))
                {
                    BMCWEB_LOG_ERROR
                        << "Illegal Property "
                        << openbmc->dump(
                               2, ' ', true,
                               nlohmann::json::error_handler_t::replace);
                    return;
                }
                if (fan)
                {
                    auto pid = std::make_shared<SetPIDValues>(response, *fan);
                    pid->run();
                }
            }
        }
        if (links)
        {
            std::optional<nlohmann::json> activeSoftwareImage;
            if (!redfish::json_util::readJson(
                    *links, res, "ActiveSoftwareImage", activeSoftwareImage))
            {
                return;
            }
            if (activeSoftwareImage)
            {
                std::optional<std::string> odataId;
                if (!json_util::readJson(*activeSoftwareImage, res, "@odata.id",
                                         odataId))
                {
                    return;
                }

                if (odataId)
                {
                    setActiveFirmwareImage(response, *odataId);
                }
            }
        }
        if (datetime)
        {
            setDateTime(response, std::move(*datetime));
        }
    }

    void getLastResetTime(const std::shared_ptr<AsyncResp>& aResp)
    {
        BMCWEB_LOG_DEBUG << "Getting Manager Last Reset Time";

        crow::connections::systemBus->async_method_call(
            [aResp](const boost::system::error_code ec,
                    std::variant<uint64_t>& lastResetTime) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG << "D-BUS response error " << ec;
                    return;
                }

                const uint64_t* lastResetTimePtr =
                    std::get_if<uint64_t>(&lastResetTime);

                if (!lastResetTimePtr)
                {
                    messages::internalError(aResp->res);
                    return;
                }
                // LastRebootTime is epoch time, in milliseconds
                // https://github.com/openbmc/phosphor-dbus-interfaces/blob/7f9a128eb9296e926422ddc312c148b625890bb6/xyz/openbmc_project/State/BMC.interface.yaml#L19
                time_t lastResetTimeStamp =
                    static_cast<time_t>(*lastResetTimePtr / 1000);

                // Convert to ISO 8601 standard
                aResp->res.jsonValue["LastResetTime"] =
                    crow::utility::getDateTime(lastResetTimeStamp);
            },
            "xyz.openbmc_project.State.BMC", "/xyz/openbmc_project/state/bmc0",
            "org.freedesktop.DBus.Properties", "Get",
            "xyz.openbmc_project.State.BMC", "LastRebootTime");
    }

    /**
     * @brief Set the running firmware image
     *
     * @param[i,o] aResp - Async response object
     * @param[i] runningFirmwareTarget - Image to make the running image
     *
     * @return void
     */
    void setActiveFirmwareImage(const std::shared_ptr<AsyncResp>& aResp,
                                const std::string& runningFirmwareTarget)
    {
        // Get the Id from /redfish/v1/UpdateService/FirmwareInventory/<Id>
        std::string::size_type idPos = runningFirmwareTarget.rfind('/');
        if (idPos == std::string::npos)
        {
            messages::propertyValueNotInList(aResp->res, runningFirmwareTarget,
                                             "@odata.id");
            BMCWEB_LOG_DEBUG << "Can't parse firmware ID!";
            return;
        }
        idPos++;
        if (idPos >= runningFirmwareTarget.size())
        {
            messages::propertyValueNotInList(aResp->res, runningFirmwareTarget,
                                             "@odata.id");
            BMCWEB_LOG_DEBUG << "Invalid firmware ID.";
            return;
        }
        std::string firmwareId = runningFirmwareTarget.substr(idPos);

        // Make sure the image is valid before setting priority
        crow::connections::systemBus->async_method_call(
            [aResp, firmwareId,
             runningFirmwareTarget](const boost::system::error_code ec,
                                    ManagedObjectType& subtree) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG << "D-Bus response error getting objects.";
                    messages::internalError(aResp->res);
                    return;
                }

                if (subtree.size() == 0)
                {
                    BMCWEB_LOG_DEBUG << "Can't find image!";
                    messages::internalError(aResp->res);
                    return;
                }

                bool foundImage = false;
                for (auto& object : subtree)
                {
                    const std::string& path =
                        static_cast<const std::string&>(object.first);
                    std::size_t idPos2 = path.rfind('/');

                    if (idPos2 == std::string::npos)
                    {
                        continue;
                    }

                    idPos2++;
                    if (idPos2 >= path.size())
                    {
                        continue;
                    }

                    if (path.substr(idPos2) == firmwareId)
                    {
                        foundImage = true;
                        break;
                    }
                }

                if (!foundImage)
                {
                    messages::propertyValueNotInList(
                        aResp->res, runningFirmwareTarget, "@odata.id");
                    BMCWEB_LOG_DEBUG << "Invalid firmware ID.";
                    return;
                }

                BMCWEB_LOG_DEBUG << "Setting firmware version " + firmwareId +
                                        " to priority 0.";

                // Only support Immediate
                // An addition could be a Redfish Setting like
                // ActiveSoftwareImageApplyTime and support OnReset
                crow::connections::systemBus->async_method_call(
                    [aResp](const boost::system::error_code ec) {
                        if (ec)
                        {
                            BMCWEB_LOG_DEBUG << "D-Bus response error setting.";
                            messages::internalError(aResp->res);
                            return;
                        }
                        doBMCGracefulRestart(aResp);
                    },

                    "xyz.openbmc_project.Software.BMC.Updater",
                    "/xyz/openbmc_project/software/" + firmwareId,
                    "org.freedesktop.DBus.Properties", "Set",
                    "xyz.openbmc_project.Software.RedundancyPriority",
                    "Priority", std::variant<uint8_t>(static_cast<uint8_t>(0)));
            },
            "xyz.openbmc_project.Software.BMC.Updater",
            "/xyz/openbmc_project/software",
            "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
    }

    void setDateTime(std::shared_ptr<AsyncResp> aResp,
                     std::string datetime) const
    {
        BMCWEB_LOG_DEBUG << "Set date time: " << datetime;

        std::stringstream stream(datetime);
        // Convert from ISO 8601 to boost local_time
        // (BMC only has time in UTC)
        boost::posix_time::ptime posixTime;
        boost::posix_time::ptime epoch(boost::gregorian::date(1970, 1, 1));
        // Facet gets deleted with the stringsteam
        auto ifc = std::make_unique<boost::local_time::local_time_input_facet>(
            "%Y-%m-%d %H:%M:%S%F %ZP");
        stream.imbue(std::locale(stream.getloc(), ifc.release()));

        boost::local_time::local_date_time ldt(
            boost::local_time::not_a_date_time);

        if (stream >> ldt)
        {
            posixTime = ldt.utc_time();
            boost::posix_time::time_duration dur = posixTime - epoch;
            uint64_t durMicroSecs =
                static_cast<uint64_t>(dur.total_microseconds());
            crow::connections::systemBus->async_method_call(
                [aResp{std::move(aResp)}, datetime{std::move(datetime)}](
                    const boost::system::error_code ec) {
                    if (ec)
                    {
                        BMCWEB_LOG_DEBUG << "Failed to set elapsed time. "
                                            "DBUS response error "
                                         << ec;
                        messages::internalError(aResp->res);
                        return;
                    }
                    aResp->res.jsonValue["DateTime"] = datetime;
                },
                "xyz.openbmc_project.Time.Manager",
                "/xyz/openbmc_project/time/bmc",
                "org.freedesktop.DBus.Properties", "Set",
                "xyz.openbmc_project.Time.EpochTime", "Elapsed",
                std::variant<uint64_t>(durMicroSecs));
        }
        else
        {
            messages::propertyValueFormatError(aResp->res, datetime,
                                               "DateTime");
            return;
        }
    }

    std::string uuid;
};

class ManagerCollection : public Node
{
  public:
    ManagerCollection(App& app) : Node(app, "/redfish/v1/Managers/")
    {
        entityPrivileges = {
            {boost::beast::http::verb::get, {{"Login"}}},
            {boost::beast::http::verb::head, {{"Login"}}},
            {boost::beast::http::verb::patch, {{"ConfigureManager"}}},
            {boost::beast::http::verb::put, {{"ConfigureManager"}}},
            {boost::beast::http::verb::delete_, {{"ConfigureManager"}}},
            {boost::beast::http::verb::post, {{"ConfigureManager"}}}};
    }

  private:
    void doGet(crow::Response& res, const crow::Request&,
               const std::vector<std::string>&) override
    {
        // Collections don't include the static data added by SubRoute
        // because it has a duplicate entry for members
        res.jsonValue["@odata.id"] = "/redfish/v1/Managers";
        res.jsonValue["@odata.type"] = "#ManagerCollection.ManagerCollection";
        res.jsonValue["Name"] = "Manager Collection";
        res.jsonValue["Members@odata.count"] = 1;
        res.jsonValue["Members"] = {
            {{"@odata.id", "/redfish/v1/Managers/bmc"}}};
        res.end();
    }
};
} // namespace redfish