xref: /openbmc/bmcweb/features/redfish/lib/metric_report_definition.hpp (revision 4dbb8aea7651dc61a4dc384625567b34393742a2)

#pragma once

#include "node.hpp"
#include "sensors.hpp"
#include "utils/telemetry_utils.hpp"
#include "utils/time_utils.hpp"

#include <boost/container/flat_map.hpp>

#include <tuple>
#include <variant>

namespace redfish
{

namespace telemetry
{

using ReadingParameters =
    std::vector<std::tuple<sdbusplus::message::object_path, std::string,
                           std::string, std::string>>;

inline void fillReportDefinition(
    const std::shared_ptr<AsyncResp>& asyncResp, const std::string& id,
    const std::vector<
        std::pair<std::string, std::variant<std::string, bool, uint64_t,
                                            ReadingParameters>>>& ret)
{
    asyncResp->res.jsonValue["@odata.type"] =
        "#MetricReportDefinition.v1_3_0.MetricReportDefinition";
    asyncResp->res.jsonValue["@odata.id"] =
        telemetry::metricReportDefinitionUri + id;
    asyncResp->res.jsonValue["Id"] = id;
    asyncResp->res.jsonValue["Name"] = id;
    asyncResp->res.jsonValue["MetricReport"]["@odata.id"] =
        telemetry::metricReportUri + id;
    asyncResp->res.jsonValue["Status"]["State"] = "Enabled";
    asyncResp->res.jsonValue["ReportUpdates"] = "Overwrite";

    const bool* emitsReadingsUpdate = nullptr;
    const bool* logToMetricReportsCollection = nullptr;
    const ReadingParameters* readingParams = nullptr;
    const std::string* reportingType = nullptr;
    const uint64_t* interval = nullptr;
    for (const auto& [key, var] : ret)
    {
        if (key == "EmitsReadingsUpdate")
        {
            emitsReadingsUpdate = std::get_if<bool>(&var);
        }
        else if (key == "LogToMetricReportsCollection")
        {
            logToMetricReportsCollection = std::get_if<bool>(&var);
        }
        else if (key == "ReadingParameters")
        {
            readingParams = std::get_if<ReadingParameters>(&var);
        }
        else if (key == "ReportingType")
        {
            reportingType = std::get_if<std::string>(&var);
        }
        else if (key == "Interval")
        {
            interval = std::get_if<uint64_t>(&var);
        }
    }
    if (!emitsReadingsUpdate || !logToMetricReportsCollection ||
        !readingParams || !reportingType || !interval)
    {
        BMCWEB_LOG_ERROR << "Property type mismatch or property is missing";
        messages::internalError(asyncResp->res);
        return;
    }

    std::vector<std::string> redfishReportActions;
    redfishReportActions.reserve(2);
    if (*emitsReadingsUpdate)
    {
        redfishReportActions.emplace_back("RedfishEvent");
    }
    if (*logToMetricReportsCollection)
    {
        redfishReportActions.emplace_back("LogToMetricReportsCollection");
    }

    nlohmann::json metrics = nlohmann::json::array();
    for (auto& [sensorPath, operationType, id, metadata] : *readingParams)
    {
        metrics.push_back({
            {"MetricId", id},
            {"MetricProperties", {metadata}},
        });
    }
    asyncResp->res.jsonValue["Metrics"] = metrics;
    asyncResp->res.jsonValue["MetricReportDefinitionType"] = *reportingType;
    asyncResp->res.jsonValue["ReportActions"] = redfishReportActions;
    asyncResp->res.jsonValue["Schedule"]["RecurrenceInterval"] =
        time_utils::toDurationString(std::chrono::milliseconds(*interval));
}

struct AddReportArgs
{
    std::string name;
    std::string reportingType;
    bool emitsReadingsUpdate = false;
    bool logToMetricReportsCollection = false;
    uint64_t interval = 0;
    std::vector<std::pair<std::string, std::vector<std::string>>> metrics;
};

inline bool toDbusReportActions(crow::Response& res,
                                std::vector<std::string>& actions,
                                AddReportArgs& args)
{
    size_t index = 0;
    for (auto& action : actions)
    {
        if (action == "RedfishEvent")
        {
            args.emitsReadingsUpdate = true;
        }
        else if (action == "LogToMetricReportsCollection")
        {
            args.logToMetricReportsCollection = true;
        }
        else
        {
            messages::propertyValueNotInList(
                res, action, "ReportActions/" + std::to_string(index));
            return false;
        }
        index++;
    }
    return true;
}

inline bool getUserParameters(crow::Response& res, const crow::Request& req,
                              AddReportArgs& args)
{
    std::vector<nlohmann::json> metrics;
    std::vector<std::string> reportActions;
    std::optional<nlohmann::json> schedule;
    if (!json_util::readJson(req, res, "Id", args.name, "Metrics", metrics,
                             "MetricReportDefinitionType", args.reportingType,
                             "ReportActions", reportActions, "Schedule",
                             schedule))
    {
        return false;
    }

    constexpr const char* allowedCharactersInName =
        "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_";
    if (args.name.empty() || args.name.find_first_not_of(
                                 allowedCharactersInName) != std::string::npos)
    {
        BMCWEB_LOG_ERROR << "Failed to match " << args.name
                         << " with allowed character "
                         << allowedCharactersInName;
        messages::propertyValueIncorrect(res, "Id", args.name);
        return false;
    }

    if (args.reportingType != "Periodic" && args.reportingType != "OnRequest")
    {
        messages::propertyValueNotInList(res, args.reportingType,
                                         "MetricReportDefinitionType");
        return false;
    }

    if (!toDbusReportActions(res, reportActions, args))
    {
        return false;
    }

    if (args.reportingType == "Periodic")
    {
        if (!schedule)
        {
            messages::createFailedMissingReqProperties(res, "Schedule");
            return false;
        }

        std::string durationStr;
        if (!json_util::readJson(*schedule, res, "RecurrenceInterval",
                                 durationStr))
        {
            return false;
        }

        std::optional<std::chrono::milliseconds> durationNum =
            time_utils::fromDurationString(durationStr);
        if (!durationNum)
        {
            messages::propertyValueIncorrect(res, "RecurrenceInterval",
                                             durationStr);
            return false;
        }
        args.interval = static_cast<uint64_t>(durationNum->count());
    }

    args.metrics.reserve(metrics.size());
    for (auto& m : metrics)
    {
        std::string id;
        std::vector<std::string> uris;
        if (!json_util::readJson(m, res, "MetricId", id, "MetricProperties",
                                 uris))
        {
            return false;
        }

        args.metrics.emplace_back(std::move(id), std::move(uris));
    }

    return true;
}

inline bool getChassisSensorNode(
    const std::shared_ptr<AsyncResp>& asyncResp,
    const std::vector<std::pair<std::string, std::vector<std::string>>>&
        metrics,
    boost::container::flat_set<std::pair<std::string, std::string>>& matched)
{
    for (const auto& [id, uris] : metrics)
    {
        for (size_t i = 0; i < uris.size(); i++)
        {
            const std::string& uri = uris[i];
            std::string chassis;
            std::string node;

            if (!boost::starts_with(uri, "/redfish/v1/Chassis/") ||
                !dbus::utility::getNthStringFromPath(uri, 3, chassis) ||
                !dbus::utility::getNthStringFromPath(uri, 4, node))
            {
                BMCWEB_LOG_ERROR << "Failed to get chassis and sensor Node "
                                    "from "
                                 << uri;
                messages::propertyValueIncorrect(asyncResp->res, uri,
                                                 "MetricProperties/" +
                                                     std::to_string(i));
                return false;
            }

            if (boost::ends_with(node, "#"))
            {
                node.pop_back();
            }

            matched.emplace(std::move(chassis), std::move(node));
        }
    }
    return true;
}

class AddReport
{
  public:
    AddReport(AddReportArgs argsIn, std::shared_ptr<AsyncResp> asyncResp) :
        asyncResp{std::move(asyncResp)}, args{std::move(argsIn)}
    {}
    ~AddReport()
    {
        if (asyncResp->res.result() != boost::beast::http::status::ok)
        {
            return;
        }

        telemetry::ReadingParameters readingParams;
        readingParams.reserve(args.metrics.size());

        for (const auto& [id, uris] : args.metrics)
        {
            for (size_t i = 0; i < uris.size(); i++)
            {
                const std::string& uri = uris[i];
                auto el = uriToDbus.find(uri);
                if (el == uriToDbus.end())
                {
                    BMCWEB_LOG_ERROR << "Failed to find DBus sensor "
                                        "corresponding to URI "
                                     << uri;
                    messages::propertyValueNotInList(asyncResp->res, uri,
                                                     "MetricProperties/" +
                                                         std::to_string(i));
                    return;
                }

                const std::string& dbusPath = el->second;
                readingParams.emplace_back(dbusPath, "SINGLE", id, uri);
            }
        }

        crow::connections::systemBus->async_method_call(
            [asyncResp = std::move(asyncResp), name = args.name,
             uriToDbus = std::move(uriToDbus)](
                const boost::system::error_code ec, const std::string&) {
                if (ec == boost::system::errc::file_exists)
                {
                    messages::resourceAlreadyExists(
                        asyncResp->res, "MetricReportDefinition", "Id", name);
                    return;
                }
                if (ec == boost::system::errc::too_many_files_open)
                {
                    messages::createLimitReachedForResource(asyncResp->res);
                    return;
                }
                if (ec == boost::system::errc::argument_list_too_long)
                {
                    nlohmann::json metricProperties = nlohmann::json::array();
                    for (const auto& [uri, _] : uriToDbus)
                    {
                        metricProperties.emplace_back(uri);
                    }
                    messages::propertyValueIncorrect(
                        asyncResp->res, metricProperties, "MetricProperties");
                    return;
                }
                if (ec)
                {
                    messages::internalError(asyncResp->res);
                    BMCWEB_LOG_ERROR << "respHandler DBus error " << ec;
                    return;
                }

                messages::created(asyncResp->res);
            },
            telemetry::service, "/xyz/openbmc_project/Telemetry/Reports",
            "xyz.openbmc_project.Telemetry.ReportManager", "AddReport",
            "TelemetryService/" + args.name, args.reportingType,
            args.emitsReadingsUpdate, args.logToMetricReportsCollection,
            args.interval, readingParams);
    }

    void insert(const boost::container::flat_map<std::string, std::string>& el)
    {
        uriToDbus.insert(el.begin(), el.end());
    }

  private:
    std::shared_ptr<AsyncResp> asyncResp;
    AddReportArgs args;
    boost::container::flat_map<std::string, std::string> uriToDbus{};
};
} // namespace telemetry

class MetricReportDefinitionCollection : public Node
{
  public:
    MetricReportDefinitionCollection(App& app) :
        Node(app, "/redfish/v1/TelemetryService/MetricReportDefinitions/")
    {
        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.type"] = "#MetricReportDefinitionCollection."
                                       "MetricReportDefinitionCollection";
        res.jsonValue["@odata.id"] =
            "/redfish/v1/TelemetryService/MetricReportDefinitions";
        res.jsonValue["Name"] = "Metric Definition Collection";

        auto asyncResp = std::make_shared<AsyncResp>(res);
        telemetry::getReportCollection(asyncResp,
                                       telemetry::metricReportDefinitionUri);
    }

    void doPost(crow::Response& res, const crow::Request& req,
                const std::vector<std::string>&) override
    {
        auto asyncResp = std::make_shared<AsyncResp>(res);
        telemetry::AddReportArgs args;
        if (!telemetry::getUserParameters(res, req, args))
        {
            return;
        }

        boost::container::flat_set<std::pair<std::string, std::string>>
            chassisSensors;
        if (!telemetry::getChassisSensorNode(asyncResp, args.metrics,
                                             chassisSensors))
        {
            return;
        }

        auto addReportReq =
            std::make_shared<telemetry::AddReport>(std::move(args), asyncResp);
        for (const auto& [chassis, sensorType] : chassisSensors)
        {
            retrieveUriToDbusMap(
                chassis, sensorType,
                [asyncResp, addReportReq](
                    const boost::beast::http::status status,
                    const boost::container::flat_map<std::string, std::string>&
                        uriToDbus) {
                    if (status != boost::beast::http::status::ok)
                    {
                        BMCWEB_LOG_ERROR << "Failed to retrieve URI to dbus "
                                            "sensors map with err "
                                         << static_cast<unsigned>(status);
                        return;
                    }
                    addReportReq->insert(uriToDbus);
                });
        }
    }
};

class MetricReportDefinition : public Node
{
  public:
    MetricReportDefinition(App& app) :
        Node(app, "/redfish/v1/TelemetryService/MetricReportDefinitions/<str>/",
             std::string())
    {
        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>& params) override
    {
        auto asyncResp = std::make_shared<AsyncResp>(res);

        if (params.size() != 1)
        {
            messages::internalError(asyncResp->res);
            return;
        }

        const std::string& id = params[0];
        crow::connections::systemBus->async_method_call(
            [asyncResp,
             id](const boost::system::error_code ec,
                 const std::vector<std::pair<
                     std::string, std::variant<std::string, bool, uint64_t,
                                               telemetry::ReadingParameters>>>&
                     ret) {
                if (ec.value() == EBADR ||
                    ec == boost::system::errc::host_unreachable)
                {
                    messages::resourceNotFound(asyncResp->res,
                                               "MetricReportDefinition", id);
                    return;
                }
                if (ec)
                {
                    BMCWEB_LOG_ERROR << "respHandler DBus error " << ec;
                    messages::internalError(asyncResp->res);
                    return;
                }

                telemetry::fillReportDefinition(asyncResp, id, ret);
            },
            telemetry::service, telemetry::getDbusReportPath(id),
            "org.freedesktop.DBus.Properties", "GetAll",
            telemetry::reportInterface);
    }

    void doDelete(crow::Response& res, const crow::Request&,
                  const std::vector<std::string>& params) override
    {
        auto asyncResp = std::make_shared<AsyncResp>(res);
        if (params.size() != 1)
        {
            messages::internalError(asyncResp->res);
            return;
        }

        const std::string& id = params[0];
        const std::string reportPath = telemetry::getDbusReportPath(id);

        crow::connections::systemBus->async_method_call(
            [asyncResp, id](const boost::system::error_code ec) {
                /*
                 * boost::system::errc and std::errc are missing value for
                 * EBADR error that is defined in Linux.
                 */
                if (ec.value() == EBADR)
                {
                    messages::resourceNotFound(asyncResp->res,
                                               "MetricReportDefinition", id);
                    return;
                }

                if (ec)
                {
                    BMCWEB_LOG_ERROR << "respHandler DBus error " << ec;
                    messages::internalError(asyncResp->res);
                    return;
                }

                asyncResp->res.result(boost::beast::http::status::no_content);
            },
            telemetry::service, reportPath, "xyz.openbmc_project.Object.Delete",
            "Delete");
    }
};
} // namespace redfish