xref: /openbmc/bmcweb/features/redfish/lib/hypervisor_system.hpp (revision 15ed678014998b3344c07de3a91e6855e6bd509b) 
1 #pragma once
2 
3 #include <app.hpp>
4 #include <boost/container/flat_map.hpp>
5 #include <boost/container/flat_set.hpp>
6 #include <dbus_singleton.hpp>
7 #include <dbus_utility.hpp>
8 #include <error_messages.hpp>
9 #include <registries/privilege_registry.hpp>
10 #include <sdbusplus/asio/property.hpp>
11 #include <utils/json_utils.hpp>
12 
13 #include <optional>
14 #include <utility>
15 
16 // TODO(ed) requestRoutesHypervisorSystems seems to have copy-pasted a
17 // lot of code, and has a number of methods that have name conflicts with the
18 // normal ethernet internfaces in ethernet.hpp.  For the moment, we'll put
19 // hypervisor in a namespace to isolate it, but these methods eventually need
20 // deduplicated
21 namespace redfish::hypervisor
22 {
23 
24 /**
25  * @brief Retrieves hypervisor state properties over dbus
26  *
27  * The hypervisor state object is optional so this function will only set the
28  * state variables if the object is found
29  *
30  * @param[in] aResp     Shared pointer for completing asynchronous calls.
31  *
32  * @return None.
33  */
34 inline void getHypervisorState(const std::shared_ptr<bmcweb::AsyncResp>& aResp)
35 {
36     BMCWEB_LOG_DEBUG << "Get hypervisor state information.";
37     sdbusplus::asio::getProperty<std::string>(
38         *crow::connections::systemBus, "xyz.openbmc_project.State.Hypervisor",
39         "/xyz/openbmc_project/state/hypervisor0",
40         "xyz.openbmc_project.State.Host", "CurrentHostState",
41         [aResp](const boost::system::error_code ec,
42                 const std::string& hostState) {
43             if (ec)
44             {
45                 BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
46                 // This is an optional D-Bus object so just return if
47                 // error occurs
48                 return;
49             }
50 
51             BMCWEB_LOG_DEBUG << "Hypervisor state: " << hostState;
52             // Verify Host State
53             if (hostState == "xyz.openbmc_project.State.Host.HostState.Running")
54             {
55                 aResp->res.jsonValue["PowerState"] = "On";
56                 aResp->res.jsonValue["Status"]["State"] = "Enabled";
57             }
58             else if (hostState == "xyz.openbmc_project.State.Host.HostState."
59                                   "Quiesced")
60             {
61                 aResp->res.jsonValue["PowerState"] = "On";
62                 aResp->res.jsonValue["Status"]["State"] = "Quiesced";
63             }
64             else if (hostState == "xyz.openbmc_project.State.Host.HostState."
65                                   "Standby")
66             {
67                 aResp->res.jsonValue["PowerState"] = "On";
68                 aResp->res.jsonValue["Status"]["State"] = "StandbyOffline";
69             }
70             else if (hostState == "xyz.openbmc_project.State.Host.HostState."
71                                   "TransitioningToRunning")
72             {
73                 aResp->res.jsonValue["PowerState"] = "PoweringOn";
74                 aResp->res.jsonValue["Status"]["State"] = "Starting";
75             }
76             else if (hostState == "xyz.openbmc_project.State.Host.HostState."
77                                   "TransitioningToOff")
78             {
79                 aResp->res.jsonValue["PowerState"] = "PoweringOff";
80                 aResp->res.jsonValue["Status"]["State"] = "Enabled";
81             }
82             else if (hostState ==
83                      "xyz.openbmc_project.State.Host.HostState.Off")
84             {
85                 aResp->res.jsonValue["PowerState"] = "Off";
86                 aResp->res.jsonValue["Status"]["State"] = "Disabled";
87             }
88             else
89             {
90                 messages::internalError(aResp->res);
91                 return;
92             }
93         });
94 }
95 
96 /**
97  * @brief Populate Actions if any are valid for hypervisor object
98  *
99  * The hypervisor state object is optional so this function will only set the
100  * Action if the object is found
101  *
102  * @param[in] aResp     Shared pointer for completing asynchronous calls.
103  *
104  * @return None.
105  */
106 inline void
107     getHypervisorActions(const std::shared_ptr<bmcweb::AsyncResp>& aResp)
108 {
109     BMCWEB_LOG_DEBUG << "Get hypervisor actions.";
110     crow::connections::systemBus->async_method_call(
111         [aResp](
112             const boost::system::error_code ec,
113             const std::vector<std::pair<std::string, std::vector<std::string>>>&
114                 objInfo) {
115             if (ec)
116             {
117                 BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
118                 // This is an optional D-Bus object so just return if
119                 // error occurs
120                 return;
121             }
122 
123             if (objInfo.empty())
124             {
125                 // As noted above, this is an optional interface so just return
126                 // if there is no instance found
127                 return;
128             }
129 
130             if (objInfo.size() > 1)
131             {
132                 // More then one hypervisor object is not supported and is an
133                 // error
134                 messages::internalError(aResp->res);
135                 return;
136             }
137 
138             // Object present so system support limited ComputerSystem Action
139             aResp->res.jsonValue["Actions"]["#ComputerSystem.Reset"] = {
140                 {"target",
141                  "/redfish/v1/Systems/hypervisor/Actions/ComputerSystem.Reset"},
142                 {"@Redfish.ActionInfo",
143                  "/redfish/v1/Systems/hypervisor/ResetActionInfo"}};
144         },
145         "xyz.openbmc_project.ObjectMapper",
146         "/xyz/openbmc_project/object_mapper",
147         "xyz.openbmc_project.ObjectMapper", "GetObject",
148         "/xyz/openbmc_project/state/hypervisor0",
149         std::array<const char*, 1>{"xyz.openbmc_project.State.Host"});
150 }
151 
152 inline bool extractHypervisorInterfaceData(
153     const std::string& ethIfaceId,
154     const dbus::utility::ManagedObjectType& dbusData,
155     EthernetInterfaceData& ethData,
156     boost::container::flat_set<IPv4AddressData>& ipv4Config)
157 {
158     bool idFound = false;
159     for (const auto& objpath : dbusData)
160     {
161         for (const auto& ifacePair : objpath.second)
162         {
163             if (objpath.first ==
164                 "/xyz/openbmc_project/network/hypervisor/" + ethIfaceId)
165             {
166                 idFound = true;
167                 if (ifacePair.first == "xyz.openbmc_project.Network.MACAddress")
168                 {
169                     for (const auto& propertyPair : ifacePair.second)
170                     {
171                         if (propertyPair.first == "MACAddress")
172                         {
173                             const std::string* mac =
174                                 std::get_if<std::string>(&propertyPair.second);
175                             if (mac != nullptr)
176                             {
177                                 ethData.mac_address = *mac;
178                             }
179                         }
180                     }
181                 }
182                 else if (ifacePair.first ==
183                          "xyz.openbmc_project.Network.EthernetInterface")
184                 {
185                     for (const auto& propertyPair : ifacePair.second)
186                     {
187                         if (propertyPair.first == "DHCPEnabled")
188                         {
189                             const std::string* dhcp =
190                                 std::get_if<std::string>(&propertyPair.second);
191                             if (dhcp != nullptr)
192                             {
193                                 ethData.DHCPEnabled = *dhcp;
194                                 break; // Interested on only "DHCPEnabled".
195                                        // Stop parsing since we got the
196                                        // "DHCPEnabled" value.
197                             }
198                         }
199                     }
200                 }
201             }
202             if (objpath.first == "/xyz/openbmc_project/network/hypervisor/" +
203                                      ethIfaceId + "/ipv4/addr0")
204             {
205                 std::pair<boost::container::flat_set<IPv4AddressData>::iterator,
206                           bool>
207                     it = ipv4Config.insert(IPv4AddressData{});
208                 IPv4AddressData& ipv4Address = *it.first;
209                 if (ifacePair.first == "xyz.openbmc_project.Object.Enable")
210                 {
211                     for (const auto& property : ifacePair.second)
212                     {
213                         if (property.first == "Enabled")
214                         {
215                             const bool* intfEnable =
216                                 std::get_if<bool>(&property.second);
217                             if (intfEnable != nullptr)
218                             {
219                                 ipv4Address.isActive = *intfEnable;
220                                 break;
221                             }
222                         }
223                     }
224                 }
225                 if (ifacePair.first == "xyz.openbmc_project.Network.IP")
226                 {
227                     for (const auto& property : ifacePair.second)
228                     {
229                         if (property.first == "Address")
230                         {
231                             const std::string* address =
232                                 std::get_if<std::string>(&property.second);
233                             if (address != nullptr)
234                             {
235                                 ipv4Address.address = *address;
236                             }
237                         }
238                         else if (property.first == "Origin")
239                         {
240                             const std::string* origin =
241                                 std::get_if<std::string>(&property.second);
242                             if (origin != nullptr)
243                             {
244                                 ipv4Address.origin =
245                                     translateAddressOriginDbusToRedfish(*origin,
246                                                                         true);
247                             }
248                         }
249                         else if (property.first == "PrefixLength")
250                         {
251                             const uint8_t* mask =
252                                 std::get_if<uint8_t>(&property.second);
253                             if (mask != nullptr)
254                             {
255                                 // convert it to the string
256                                 ipv4Address.netmask = getNetmask(*mask);
257                             }
258                         }
259                         else if (property.first == "Type" ||
260                                  property.first == "Gateway")
261                         {
262                             // Type & Gateway is not used
263                             continue;
264                         }
265                         else
266                         {
267                             BMCWEB_LOG_ERROR
268                                 << "Got extra property: " << property.first
269                                 << " on the " << objpath.first.str << " object";
270                         }
271                     }
272                 }
273             }
274             if (objpath.first == "/xyz/openbmc_project/network/hypervisor")
275             {
276                 // System configuration shows up in the global namespace, so no
277                 // need to check eth number
278                 if (ifacePair.first ==
279                     "xyz.openbmc_project.Network.SystemConfiguration")
280                 {
281                     for (const auto& propertyPair : ifacePair.second)
282                     {
283                         if (propertyPair.first == "HostName")
284                         {
285                             const std::string* hostName =
286                                 std::get_if<std::string>(&propertyPair.second);
287                             if (hostName != nullptr)
288                             {
289                                 ethData.hostname = *hostName;
290                             }
291                         }
292                         else if (propertyPair.first == "DefaultGateway")
293                         {
294                             const std::string* defaultGateway =
295                                 std::get_if<std::string>(&propertyPair.second);
296                             if (defaultGateway != nullptr)
297                             {
298                                 ethData.default_gateway = *defaultGateway;
299                             }
300                         }
301                     }
302                 }
303             }
304         }
305     }
306     return idFound;
307 }
308 /**
309  * Function that retrieves all properties for given Hypervisor Ethernet
310  * Interface Object from Settings Manager
311  * @param ethIfaceId Hypervisor ethernet interface id to query on DBus
312  * @param callback a function that shall be called to convert Dbus output
313  * into JSON
314  */
315 template <typename CallbackFunc>
316 void getHypervisorIfaceData(const std::string& ethIfaceId,
317                             CallbackFunc&& callback)
318 {
319     crow::connections::systemBus->async_method_call(
320         [ethIfaceId{std::string{ethIfaceId}},
321          callback{std::forward<CallbackFunc>(callback)}](
322             const boost::system::error_code error,
323             const dbus::utility::ManagedObjectType& resp) {
324             EthernetInterfaceData ethData{};
325             boost::container::flat_set<IPv4AddressData> ipv4Data;
326             if (error)
327             {
328                 callback(false, ethData, ipv4Data);
329                 return;
330             }
331 
332             bool found = extractHypervisorInterfaceData(ethIfaceId, resp,
333                                                         ethData, ipv4Data);
334             if (!found)
335             {
336                 BMCWEB_LOG_INFO << "Hypervisor Interface not found";
337             }
338             callback(found, ethData, ipv4Data);
339         },
340         "xyz.openbmc_project.Settings", "/",
341         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
342 }
343 
344 /**
345  * @brief Sets the Hypervisor Interface IPAddress DBUS
346  *
347  * @param[in] aResp          Shared pointer for generating response message.
348  * @param[in] ipv4Address    Address from the incoming request
349  * @param[in] ethIfaceId     Hypervisor Interface Id
350  *
351  * @return None.
352  */
353 inline void
354     setHypervisorIPv4Address(const std::shared_ptr<bmcweb::AsyncResp>& aResp,
355                              const std::string& ethIfaceId,
356                              const std::string& ipv4Address)
357 {
358     BMCWEB_LOG_DEBUG << "Setting the Hypervisor IPaddress : " << ipv4Address
359                      << " on Iface: " << ethIfaceId;
360     crow::connections::systemBus->async_method_call(
361         [aResp](const boost::system::error_code ec) {
362             if (ec)
363             {
364                 BMCWEB_LOG_ERROR << "DBUS response error " << ec;
365                 return;
366             }
367             BMCWEB_LOG_DEBUG << "Hypervisor IPaddress is Set";
368         },
369         "xyz.openbmc_project.Settings",
370         "/xyz/openbmc_project/network/hypervisor/" + ethIfaceId + "/ipv4/addr0",
371         "org.freedesktop.DBus.Properties", "Set",
372         "xyz.openbmc_project.Network.IP", "Address",
373         dbus::utility::DbusVariantType(ipv4Address));
374 }
375 
376 /**
377  * @brief Sets the Hypervisor Interface SubnetMask DBUS
378  *
379  * @param[in] aResp     Shared pointer for generating response message.
380  * @param[in] subnet    SubnetMask from the incoming request
381  * @param[in] ethIfaceId Hypervisor Interface Id
382  *
383  * @return None.
384  */
385 inline void
386     setHypervisorIPv4Subnet(const std::shared_ptr<bmcweb::AsyncResp>& aResp,
387                             const std::string& ethIfaceId, const uint8_t subnet)
388 {
389     BMCWEB_LOG_DEBUG << "Setting the Hypervisor subnet : " << subnet
390                      << " on Iface: " << ethIfaceId;
391 
392     crow::connections::systemBus->async_method_call(
393         [aResp](const boost::system::error_code ec) {
394             if (ec)
395             {
396                 BMCWEB_LOG_ERROR << "DBUS response error " << ec;
397                 return;
398             }
399             BMCWEB_LOG_DEBUG << "SubnetMask is Set";
400         },
401         "xyz.openbmc_project.Settings",
402         "/xyz/openbmc_project/network/hypervisor/" + ethIfaceId + "/ipv4/addr0",
403         "org.freedesktop.DBus.Properties", "Set",
404         "xyz.openbmc_project.Network.IP", "PrefixLength",
405         dbus::utility::DbusVariantType(subnet));
406 }
407 
408 /**
409  * @brief Sets the Hypervisor Interface Gateway DBUS
410  *
411  * @param[in] aResp          Shared pointer for generating response message.
412  * @param[in] gateway        Gateway from the incoming request
413  * @param[in] ethIfaceId     Hypervisor Interface Id
414  *
415  * @return None.
416  */
417 inline void
418     setHypervisorIPv4Gateway(const std::shared_ptr<bmcweb::AsyncResp>& aResp,
419                              const std::string& gateway)
420 {
421     BMCWEB_LOG_DEBUG
422         << "Setting the DefaultGateway to the last configured gateway";
423 
424     crow::connections::systemBus->async_method_call(
425         [aResp](const boost::system::error_code ec) {
426             if (ec)
427             {
428                 BMCWEB_LOG_ERROR << "DBUS response error " << ec;
429                 return;
430             }
431             BMCWEB_LOG_DEBUG << "Default Gateway is Set";
432         },
433         "xyz.openbmc_project.Settings",
434         "/xyz/openbmc_project/network/hypervisor",
435         "org.freedesktop.DBus.Properties", "Set",
436         "xyz.openbmc_project.Network.SystemConfiguration", "DefaultGateway",
437         dbus::utility::DbusVariantType(gateway));
438 }
439 
440 /**
441  * @brief Creates a static IPv4 entry
442  *
443  * @param[in] ifaceId      Id of interface upon which to create the IPv4 entry
444  * @param[in] prefixLength IPv4 prefix syntax for the subnet mask
445  * @param[in] gateway      IPv4 address of this interfaces gateway
446  * @param[in] address      IPv4 address to assign to this interface
447  * @param[io] asyncResp    Response object that will be returned to client
448  *
449  * @return None
450  */
451 inline void
452     createHypervisorIPv4(const std::string& ifaceId, uint8_t prefixLength,
453                          const std::string& gateway, const std::string& address,
454                          const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
455 {
456     setHypervisorIPv4Address(asyncResp, ifaceId, address);
457     setHypervisorIPv4Gateway(asyncResp, gateway);
458     setHypervisorIPv4Subnet(asyncResp, ifaceId, prefixLength);
459 }
460 
461 /**
462  * @brief Deletes given IPv4 interface
463  *
464  * @param[in] ifaceId     Id of interface whose IP should be deleted
465  * @param[io] asyncResp   Response object that will be returned to client
466  *
467  * @return None
468  */
469 inline void
470     deleteHypervisorIPv4(const std::string& ifaceId,
471                          const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
472 {
473     std::string address = "0.0.0.0";
474     std::string gateway = "0.0.0.0";
475     const uint8_t prefixLength = 0;
476     setHypervisorIPv4Address(asyncResp, ifaceId, address);
477     setHypervisorIPv4Gateway(asyncResp, gateway);
478     setHypervisorIPv4Subnet(asyncResp, ifaceId, prefixLength);
479 }
480 
481 inline void parseInterfaceData(
482     nlohmann::json& jsonResponse, const std::string& ifaceId,
483     const EthernetInterfaceData& ethData,
484     const boost::container::flat_set<IPv4AddressData>& ipv4Data)
485 {
486     jsonResponse["Id"] = ifaceId;
487     jsonResponse["@odata.id"] =
488         "/redfish/v1/Systems/hypervisor/EthernetInterfaces/" + ifaceId;
489     jsonResponse["InterfaceEnabled"] = true;
490     jsonResponse["MACAddress"] = ethData.mac_address;
491 
492     jsonResponse["HostName"] = ethData.hostname;
493     jsonResponse["DHCPv4"]["DHCPEnabled"] =
494         translateDHCPEnabledToBool(ethData.DHCPEnabled, true);
495 
496     nlohmann::json& ipv4Array = jsonResponse["IPv4Addresses"];
497     nlohmann::json& ipv4StaticArray = jsonResponse["IPv4StaticAddresses"];
498     ipv4Array = nlohmann::json::array();
499     ipv4StaticArray = nlohmann::json::array();
500     for (const auto& ipv4Config : ipv4Data)
501     {
502         if (ipv4Config.isActive)
503         {
504 
505             ipv4Array.push_back({{"AddressOrigin", ipv4Config.origin},
506                                  {"SubnetMask", ipv4Config.netmask},
507                                  {"Address", ipv4Config.address},
508                                  {"Gateway", ethData.default_gateway}});
509             if (ipv4Config.origin == "Static")
510             {
511                 ipv4StaticArray.push_back(
512                     {{"AddressOrigin", ipv4Config.origin},
513                      {"SubnetMask", ipv4Config.netmask},
514                      {"Address", ipv4Config.address},
515                      {"Gateway", ethData.default_gateway}});
516             }
517         }
518     }
519 }
520 
521 inline void setDHCPEnabled(const std::string& ifaceId,
522                            const bool& ipv4DHCPEnabled,
523                            const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
524 {
525     const std::string dhcp = getDhcpEnabledEnumeration(ipv4DHCPEnabled, false);
526     crow::connections::systemBus->async_method_call(
527         [asyncResp](const boost::system::error_code ec) {
528             if (ec)
529             {
530                 BMCWEB_LOG_ERROR << "D-Bus responses error: " << ec;
531                 messages::internalError(asyncResp->res);
532                 return;
533             }
534         },
535         "xyz.openbmc_project.Settings",
536         "/xyz/openbmc_project/network/hypervisor/" + ifaceId,
537         "org.freedesktop.DBus.Properties", "Set",
538         "xyz.openbmc_project.Network.EthernetInterface", "DHCPEnabled",
539         dbus::utility::DbusVariantType{dhcp});
540 
541     // Set the IPv4 address origin to the DHCP / Static as per the new value
542     // of the DHCPEnabled property
543     std::string origin;
544     if (!ipv4DHCPEnabled)
545     {
546         origin = "xyz.openbmc_project.Network.IP.AddressOrigin.Static";
547     }
548     else
549     {
550         // DHCPEnabled is set to true. Delete the current IPv4 settings
551         // to receive the new values from DHCP server.
552         deleteHypervisorIPv4(ifaceId, asyncResp);
553         origin = "xyz.openbmc_project.Network.IP.AddressOrigin.DHCP";
554     }
555     crow::connections::systemBus->async_method_call(
556         [asyncResp](const boost::system::error_code ec) {
557             if (ec)
558             {
559                 BMCWEB_LOG_ERROR << "DBUS response error " << ec;
560                 messages::internalError(asyncResp->res);
561                 return;
562             }
563             BMCWEB_LOG_DEBUG << "Hypervisor IPaddress Origin is Set";
564         },
565         "xyz.openbmc_project.Settings",
566         "/xyz/openbmc_project/network/hypervisor/" + ifaceId + "/ipv4/addr0",
567         "org.freedesktop.DBus.Properties", "Set",
568         "xyz.openbmc_project.Network.IP", "Origin",
569         dbus::utility::DbusVariantType(origin));
570 }
571 
572 inline void handleHypervisorIPv4StaticPatch(
573     const std::string& ifaceId, const nlohmann::json& input,
574     const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
575 {
576     if ((!input.is_array()) || input.empty())
577     {
578         messages::propertyValueTypeError(asyncResp->res, input.dump(),
579                                          "IPv4StaticAddresses");
580         return;
581     }
582 
583     // Hypervisor considers the first IP address in the array list
584     // as the Hypervisor's virtual management interface supports single IPv4
585     // address
586     const nlohmann::json& thisJson = input[0];
587 
588     // For the error string
589     std::string pathString = "IPv4StaticAddresses/1";
590 
591     if (!thisJson.is_null() && !thisJson.empty())
592     {
593         std::optional<std::string> address;
594         std::optional<std::string> subnetMask;
595         std::optional<std::string> gateway;
596         nlohmann::json thisJsonCopy = thisJson;
597         if (!json_util::readJson(thisJsonCopy, asyncResp->res, "Address",
598                                  address, "SubnetMask", subnetMask, "Gateway",
599                                  gateway))
600         {
601             messages::propertyValueFormatError(
602                 asyncResp->res,
603                 thisJson.dump(2, ' ', true,
604                               nlohmann::json::error_handler_t::replace),
605                 pathString);
606             return;
607         }
608 
609         uint8_t prefixLength = 0;
610         bool errorInEntry = false;
611         if (address)
612         {
613             if (!ipv4VerifyIpAndGetBitcount(*address))
614             {
615                 messages::propertyValueFormatError(asyncResp->res, *address,
616                                                    pathString + "/Address");
617                 errorInEntry = true;
618             }
619         }
620         else
621         {
622             messages::propertyMissing(asyncResp->res, pathString + "/Address");
623             errorInEntry = true;
624         }
625 
626         if (subnetMask)
627         {
628             if (!ipv4VerifyIpAndGetBitcount(*subnetMask, &prefixLength))
629             {
630                 messages::propertyValueFormatError(asyncResp->res, *subnetMask,
631                                                    pathString + "/SubnetMask");
632                 errorInEntry = true;
633             }
634         }
635         else
636         {
637             messages::propertyMissing(asyncResp->res,
638                                       pathString + "/SubnetMask");
639             errorInEntry = true;
640         }
641 
642         if (gateway)
643         {
644             if (!ipv4VerifyIpAndGetBitcount(*gateway))
645             {
646                 messages::propertyValueFormatError(asyncResp->res, *gateway,
647                                                    pathString + "/Gateway");
648                 errorInEntry = true;
649             }
650         }
651         else
652         {
653             messages::propertyMissing(asyncResp->res, pathString + "/Gateway");
654             errorInEntry = true;
655         }
656 
657         if (errorInEntry)
658         {
659             return;
660         }
661 
662         BMCWEB_LOG_DEBUG << "Calling createHypervisorIPv4 on : " << ifaceId
663                          << "," << *address;
664         createHypervisorIPv4(ifaceId, prefixLength, *gateway, *address,
665                              asyncResp);
666         // Set the DHCPEnabled to false since the Static IPv4 is set
667         setDHCPEnabled(ifaceId, false, asyncResp);
668     }
669     else
670     {
671         if (thisJson.is_null())
672         {
673             deleteHypervisorIPv4(ifaceId, asyncResp);
674         }
675     }
676 }
677 
678 inline void
679     handleHostnamePatch(const std::string& hostName,
680                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
681 {
682     if (!isHostnameValid(hostName))
683     {
684         messages::propertyValueFormatError(asyncResp->res, hostName,
685                                            "HostName");
686         return;
687     }
688 
689     asyncResp->res.jsonValue["HostName"] = hostName;
690     crow::connections::systemBus->async_method_call(
691         [asyncResp](const boost::system::error_code ec) {
692             if (ec)
693             {
694                 messages::internalError(asyncResp->res);
695             }
696         },
697         "xyz.openbmc_project.Settings",
698         "/xyz/openbmc_project/network/hypervisor",
699         "org.freedesktop.DBus.Properties", "Set",
700         "xyz.openbmc_project.Network.SystemConfiguration", "HostName",
701         dbus::utility::DbusVariantType(hostName));
702 }
703 
704 inline void
705     setIPv4InterfaceEnabled(const std::string& ifaceId, const bool& isActive,
706                             const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
707 {
708     crow::connections::systemBus->async_method_call(
709         [asyncResp](const boost::system::error_code ec) {
710             if (ec)
711             {
712                 BMCWEB_LOG_ERROR << "D-Bus responses error: " << ec;
713                 messages::internalError(asyncResp->res);
714                 return;
715             }
716         },
717         "xyz.openbmc_project.Settings",
718         "/xyz/openbmc_project/network/hypervisor/" + ifaceId + "/ipv4/addr0",
719         "org.freedesktop.DBus.Properties", "Set",
720         "xyz.openbmc_project.Object.Enable", "Enabled",
721         dbus::utility::DbusVariantType(isActive));
722 }
723 
724 inline void requestRoutesHypervisorSystems(App& app)
725 {
726     /**
727      * Hypervisor Systems derived class for delivering Computer Systems Schema.
728      */
729 
730     BMCWEB_ROUTE(app, "/redfish/v1/Systems/hypervisor/")
731         .privileges(redfish::privileges::getComputerSystem)
732         .methods(
733             boost::beast::http::verb::
734                 get)([](const crow::Request&,
735                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
736             sdbusplus::asio::getProperty<std::string>(
737                 *crow::connections::systemBus, "xyz.openbmc_project.Settings",
738                 "/xyz/openbmc_project/network/hypervisor",
739                 "xyz.openbmc_project.Network.SystemConfiguration", "HostName",
740                 [asyncResp](const boost::system::error_code ec,
741                             const std::string& /*hostName*/) {
742                     if (ec)
743                     {
744                         messages::resourceNotFound(asyncResp->res, "System",
745                                                    "hypervisor");
746                         return;
747                     }
748                     BMCWEB_LOG_DEBUG << "Hypervisor is available";
749 
750                     asyncResp->res.jsonValue["@odata.type"] =
751                         "#ComputerSystem.v1_6_0.ComputerSystem";
752                     asyncResp->res.jsonValue["@odata.id"] =
753                         "/redfish/v1/Systems/hypervisor";
754                     asyncResp->res.jsonValue["Description"] = "Hypervisor";
755                     asyncResp->res.jsonValue["Name"] = "Hypervisor";
756                     asyncResp->res.jsonValue["Id"] = "hypervisor";
757                     asyncResp->res.jsonValue["SystemType"] = "OS";
758                     asyncResp->res.jsonValue["Links"]["ManagedBy"] = {
759                         {{"@odata.id", "/redfish/v1/Managers/bmc"}}};
760                     asyncResp->res.jsonValue["EthernetInterfaces"] = {
761                         {"@odata.id",
762                          "/redfish/v1/Systems/hypervisor/EthernetInterfaces"}};
763                     getHypervisorState(asyncResp);
764                     getHypervisorActions(asyncResp);
765                     // TODO: Add "SystemType" : "hypervisor"
766                 });
767         });
768 
769     /**
770      * HypervisorInterfaceCollection class to handle the GET and PATCH on
771      * Hypervisor Interface
772      */
773 
774     BMCWEB_ROUTE(app, "/redfish/v1/Systems/hypervisor/EthernetInterfaces/")
775         .privileges(redfish::privileges::getEthernetInterfaceCollection)
776         .methods(
777             boost::beast::http::verb::
778                 get)([](const crow::Request&,
779                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
780             const std::array<const char*, 1> interfaces = {
781                 "xyz.openbmc_project.Network.EthernetInterface"};
782 
783             crow::connections::systemBus->async_method_call(
784                 [asyncResp](const boost::system::error_code error,
785                             const std::vector<std::string>& ifaceList) {
786                     if (error)
787                     {
788                         messages::resourceNotFound(asyncResp->res, "System",
789                                                    "hypervisor");
790                         return;
791                     }
792                     asyncResp->res.jsonValue["@odata.type"] =
793                         "#EthernetInterfaceCollection."
794                         "EthernetInterfaceCollection";
795                     asyncResp->res.jsonValue["@odata.id"] =
796                         "/redfish/v1/Systems/hypervisor/EthernetInterfaces";
797                     asyncResp->res.jsonValue["Name"] = "Hypervisor Ethernet "
798                                                        "Interface Collection";
799                     asyncResp->res.jsonValue["Description"] =
800                         "Collection of Virtual Management "
801                         "Interfaces for the hypervisor";
802 
803                     nlohmann::json& ifaceArray =
804                         asyncResp->res.jsonValue["Members"];
805                     ifaceArray = nlohmann::json::array();
806                     for (const std::string& iface : ifaceList)
807                     {
808                         sdbusplus::message::object_path path(iface);
809                         std::string name = path.filename();
810                         if (name.empty())
811                         {
812                             continue;
813                         }
814 
815                         ifaceArray.push_back(
816                             {{"@odata.id",
817                               "/redfish/v1/Systems/hypervisor/EthernetInterfaces/" +
818                                   name}});
819                     }
820                     asyncResp->res.jsonValue["Members@odata.count"] =
821                         ifaceArray.size();
822                 },
823                 "xyz.openbmc_project.ObjectMapper",
824                 "/xyz/openbmc_project/object_mapper",
825                 "xyz.openbmc_project.ObjectMapper", "GetSubTreePaths",
826                 "/xyz/openbmc_project/network/hypervisor", 0, interfaces);
827         });
828 
829     BMCWEB_ROUTE(app,
830                  "/redfish/v1/Systems/hypervisor/EthernetInterfaces/<str>/")
831         .privileges(redfish::privileges::getEthernetInterface)
832         .methods(
833             boost::beast::http::verb::get)([](const crow::Request&,
834                                               const std::shared_ptr<
835                                                   bmcweb::AsyncResp>& asyncResp,
836                                               const std::string& id) {
837             getHypervisorIfaceData(
838                 id,
839                 [asyncResp, ifaceId{std::string(id)}](
840                     const bool& success, const EthernetInterfaceData& ethData,
841                     const boost::container::flat_set<IPv4AddressData>&
842                         ipv4Data) {
843                     if (!success)
844                     {
845                         messages::resourceNotFound(
846                             asyncResp->res, "EthernetInterface", ifaceId);
847                         return;
848                     }
849                     asyncResp->res.jsonValue["@odata.type"] =
850                         "#EthernetInterface.v1_5_1.EthernetInterface";
851                     asyncResp->res.jsonValue["Name"] =
852                         "Hypervisor Ethernet Interface";
853                     asyncResp->res.jsonValue["Description"] =
854                         "Hypervisor's Virtual Management Ethernet Interface";
855                     parseInterfaceData(asyncResp->res.jsonValue, ifaceId,
856                                        ethData, ipv4Data);
857                 });
858         });
859 
860     BMCWEB_ROUTE(app,
861                  "/redfish/v1/Systems/hypervisor/EthernetInterfaces/<str>/")
862         .privileges(redfish::privileges::patchEthernetInterface)
863         .methods(
864             boost::beast::http::verb::
865                 patch)([](const crow::Request& req,
866                           const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
867                           const std::string& ifaceId) {
868             std::optional<std::string> hostName;
869             std::optional<std::vector<nlohmann::json>> ipv4StaticAddresses;
870             std::optional<nlohmann::json> ipv4Addresses;
871             std::optional<nlohmann::json> dhcpv4;
872             std::optional<bool> ipv4DHCPEnabled;
873 
874             if (!json_util::readJsonPatch(req, asyncResp->res, "HostName",
875                                           hostName, "IPv4StaticAddresses",
876                                           ipv4StaticAddresses, "IPv4Addresses",
877                                           ipv4Addresses, "DHCPv4", dhcpv4))
878             {
879                 return;
880             }
881 
882             if (ipv4Addresses)
883             {
884                 messages::propertyNotWritable(asyncResp->res, "IPv4Addresses");
885                 return;
886             }
887 
888             if (dhcpv4)
889             {
890                 if (!json_util::readJson(*dhcpv4, asyncResp->res, "DHCPEnabled",
891                                          ipv4DHCPEnabled))
892                 {
893                     return;
894                 }
895             }
896 
897             getHypervisorIfaceData(
898                 ifaceId,
899                 [asyncResp, ifaceId, hostName = std::move(hostName),
900                  ipv4StaticAddresses = std::move(ipv4StaticAddresses),
901                  ipv4DHCPEnabled, dhcpv4 = std::move(dhcpv4)](
902                     const bool& success, const EthernetInterfaceData& ethData,
903                     const boost::container::flat_set<IPv4AddressData>&) {
904                     if (!success)
905                     {
906                         messages::resourceNotFound(
907                             asyncResp->res, "EthernetInterface", ifaceId);
908                         return;
909                     }
910 
911                     if (ipv4StaticAddresses)
912                     {
913                         const nlohmann::json& ipv4Static = *ipv4StaticAddresses;
914                         if (ipv4Static.begin() == ipv4Static.end())
915                         {
916                             messages::propertyValueTypeError(
917                                 asyncResp->res,
918                                 ipv4Static.dump(
919                                     2, ' ', true,
920                                     nlohmann::json::error_handler_t::replace),
921                                 "IPv4StaticAddresses");
922                             return;
923                         }
924 
925                         // One and only one hypervisor instance supported
926                         if (ipv4Static.size() != 1)
927                         {
928                             messages::propertyValueFormatError(
929                                 asyncResp->res,
930                                 ipv4Static.dump(
931                                     2, ' ', true,
932                                     nlohmann::json::error_handler_t::replace),
933                                 "IPv4StaticAddresses");
934                             return;
935                         }
936 
937                         const nlohmann::json& ipv4Json = ipv4Static[0];
938                         // Check if the param is 'null'. If its null, it means
939                         // that user wants to delete the IP address. Deleting
940                         // the IP address is allowed only if its statically
941                         // configured. Deleting the address originated from DHCP
942                         // is not allowed.
943                         if ((ipv4Json.is_null()) &&
944                             (translateDHCPEnabledToBool(ethData.DHCPEnabled,
945                                                         true)))
946                         {
947                             BMCWEB_LOG_INFO
948                                 << "Ignoring the delete on ipv4StaticAddresses "
949                                    "as the interface is DHCP enabled";
950                         }
951                         else
952                         {
953                             handleHypervisorIPv4StaticPatch(ifaceId, ipv4Static,
954                                                             asyncResp);
955                         }
956                     }
957 
958                     if (hostName)
959                     {
960                         handleHostnamePatch(*hostName, asyncResp);
961                     }
962 
963                     if (dhcpv4)
964                     {
965                         setDHCPEnabled(ifaceId, *ipv4DHCPEnabled, asyncResp);
966                     }
967 
968                     // Set this interface to disabled/inactive. This will be set
969                     // to enabled/active by the pldm once the hypervisor
970                     // consumes the updated settings from the user.
971                     setIPv4InterfaceEnabled(ifaceId, false, asyncResp);
972                 });
973             asyncResp->res.result(boost::beast::http::status::accepted);
974         });
975 
976     BMCWEB_ROUTE(app, "/redfish/v1/Systems/hypervisor/ResetActionInfo/")
977         .privileges(redfish::privileges::getActionInfo)
978         .methods(boost::beast::http::verb::get)(
979             [](const crow::Request&,
980                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
981                 // Only return action info if hypervisor D-Bus object present
982                 crow::connections::systemBus->async_method_call(
983                     [asyncResp](
984                         const boost::system::error_code ec,
985                         const std::vector<std::pair<
986                             std::string, std::vector<std::string>>>& objInfo) {
987                         if (ec)
988                         {
989                             BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
990 
991                             // No hypervisor objects found by mapper
992                             if (ec.value() == boost::system::errc::io_error)
993                             {
994                                 messages::resourceNotFound(asyncResp->res,
995                                                            "hypervisor",
996                                                            "ResetActionInfo");
997                                 return;
998                             }
999 
1000                             messages::internalError(asyncResp->res);
1001                             return;
1002                         }
1003 
1004                         // One and only one hypervisor instance supported
1005                         if (objInfo.size() != 1)
1006                         {
1007                             messages::internalError(asyncResp->res);
1008                             return;
1009                         }
1010 
1011                         // The hypervisor object only support the ability to
1012                         // turn On The system object Action should be utilized
1013                         // for other operations
1014                         asyncResp->res.jsonValue = {
1015                             {"@odata.type", "#ActionInfo.v1_1_2.ActionInfo"},
1016                             {"@odata.id",
1017                              "/redfish/v1/Systems/hypervisor/ResetActionInfo"},
1018                             {"Name", "Reset Action Info"},
1019                             {"Id", "ResetActionInfo"},
1020                             {"Parameters",
1021                              {{{"Name", "ResetType"},
1022                                {"Required", true},
1023                                {"DataType", "String"},
1024                                {"AllowableValues", {"On"}}}}}};
1025                     },
1026                     "xyz.openbmc_project.ObjectMapper",
1027                     "/xyz/openbmc_project/object_mapper",
1028                     "xyz.openbmc_project.ObjectMapper", "GetObject",
1029                     "/xyz/openbmc_project/state/hypervisor0",
1030                     std::array<const char*, 1>{
1031                         "xyz.openbmc_project.State.Host"});
1032             });
1033 
1034     BMCWEB_ROUTE(app,
1035                  "/redfish/v1/Systems/hypervisor/Actions/ComputerSystem.Reset/")
1036         .privileges(redfish::privileges::postComputerSystem)
1037         .methods(boost::beast::http::verb::post)(
1038             [](const crow::Request& req,
1039                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
1040                 std::optional<std::string> resetType;
1041                 if (!json_util::readJsonAction(req, asyncResp->res, "ResetType",
1042                                                resetType))
1043                 {
1044                     // readJson adds appropriate error to response
1045                     return;
1046                 }
1047 
1048                 if (!resetType)
1049                 {
1050                     messages::actionParameterMissing(
1051                         asyncResp->res, "ComputerSystem.Reset", "ResetType");
1052                     return;
1053                 }
1054 
1055                 // Hypervisor object only support On operation
1056                 if (resetType != "On")
1057                 {
1058                     messages::propertyValueNotInList(asyncResp->res, *resetType,
1059                                                      "ResetType");
1060                     return;
1061                 }
1062 
1063                 std::string command =
1064                     "xyz.openbmc_project.State.Host.Transition.On";
1065 
1066                 crow::connections::systemBus->async_method_call(
1067                     [asyncResp, resetType](const boost::system::error_code ec) {
1068                         if (ec)
1069                         {
1070                             BMCWEB_LOG_ERROR << "D-Bus responses error: " << ec;
1071                             if (ec.value() ==
1072                                 boost::asio::error::invalid_argument)
1073                             {
1074                                 messages::actionParameterNotSupported(
1075                                     asyncResp->res, *resetType, "Reset");
1076                                 return;
1077                             }
1078 
1079                             if (ec.value() ==
1080                                 boost::asio::error::host_unreachable)
1081                             {
1082                                 messages::resourceNotFound(asyncResp->res,
1083                                                            "Actions", "Reset");
1084                                 return;
1085                             }
1086 
1087                             messages::internalError(asyncResp->res);
1088                             return;
1089                         }
1090                         messages::success(asyncResp->res);
1091                     },
1092                     "xyz.openbmc_project.State.Hypervisor",
1093                     "/xyz/openbmc_project/state/hypervisor0",
1094                     "org.freedesktop.DBus.Properties", "Set",
1095                     "xyz.openbmc_project.State.Host", "RequestedHostTransition",
1096                     dbus::utility::DbusVariantType{std::move(command)});
1097             });
1098 }
1099 } // namespace redfish::hypervisor
1100