xref: /openbmc/bmcweb/features/redfish/lib/hypervisor_system.hpp (revision 889ff6943d62762eeaf58824b651d2edaf940d1d) 
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 <error_messages.hpp>
8 #include <registries/privilege_registry.hpp>
9 #include <utils/json_utils.hpp>
10 
11 #include <optional>
12 #include <utility>
13 #include <variant>
14 
15 // TODO(ed) requestRoutesHypervisorSystems seems to have copy-pasted a
16 // lot of code, and has a number of methods that have name conflicts with the
17 // normal ethernet internfaces in ethernet.hpp.  For the moment, we'll put
18 // hypervisor in a namespace to isolate it, but these methods eventually need
19 // deduplicated
20 namespace redfish::hypervisor
21 {
22 
23 /**
24  * @brief Retrieves hypervisor state properties over dbus
25  *
26  * The hypervisor state object is optional so this function will only set the
27  * state variables if the object is found
28  *
29  * @param[in] aResp     Shared pointer for completing asynchronous calls.
30  *
31  * @return None.
32  */
33 inline void getHypervisorState(const std::shared_ptr<bmcweb::AsyncResp>& aResp)
34 {
35     BMCWEB_LOG_DEBUG << "Get hypervisor state information.";
36     crow::connections::systemBus->async_method_call(
37         [aResp](const boost::system::error_code ec,
38                 const std::variant<std::string>& hostState) {
39             if (ec)
40             {
41                 BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
42                 // This is an optional D-Bus object so just return if
43                 // error occurs
44                 return;
45             }
46 
47             const std::string* s = std::get_if<std::string>(&hostState);
48             if (s == nullptr)
49             {
50                 messages::internalError(aResp->res);
51                 return;
52             }
53 
54             BMCWEB_LOG_DEBUG << "Hypervisor state: " << *s;
55             // Verify Host State
56             if (*s == "xyz.openbmc_project.State.Host.HostState.Running")
57             {
58                 aResp->res.jsonValue["PowerState"] = "On";
59                 aResp->res.jsonValue["Status"]["State"] = "Enabled";
60             }
61             else if (*s == "xyz.openbmc_project.State.Host.HostState.Quiesced")
62             {
63                 aResp->res.jsonValue["PowerState"] = "On";
64                 aResp->res.jsonValue["Status"]["State"] = "Quiesced";
65             }
66             else if (*s == "xyz.openbmc_project.State.Host.HostState.Standby")
67             {
68                 aResp->res.jsonValue["PowerState"] = "On";
69                 aResp->res.jsonValue["Status"]["State"] = "StandbyOffline";
70             }
71             else if (
72                 *s ==
73                 "xyz.openbmc_project.State.Host.HostState.TransitioningToRunning")
74             {
75                 aResp->res.jsonValue["PowerState"] = "PoweringOn";
76                 aResp->res.jsonValue["Status"]["State"] = "Starting";
77             }
78             else if (
79                 *s ==
80                 "xyz.openbmc_project.State.Host.HostState.TransitioningToOff")
81             {
82                 aResp->res.jsonValue["PowerState"] = "PoweringOff";
83                 aResp->res.jsonValue["Status"]["State"] = "Enabled";
84             }
85             else if (*s == "xyz.openbmc_project.State.Host.HostState.Off")
86             {
87                 aResp->res.jsonValue["PowerState"] = "Off";
88                 aResp->res.jsonValue["Status"]["State"] = "Disabled";
89             }
90             else
91             {
92                 messages::internalError(aResp->res);
93                 return;
94             }
95         },
96         "xyz.openbmc_project.State.Hypervisor",
97         "/xyz/openbmc_project/state/hypervisor0",
98         "org.freedesktop.DBus.Properties", "Get",
99         "xyz.openbmc_project.State.Host", "CurrentHostState");
100 }
101 
102 /**
103  * @brief Populate Actions if any are valid for hypervisor object
104  *
105  * The hypervisor state object is optional so this function will only set the
106  * Action if the object is found
107  *
108  * @param[in] aResp     Shared pointer for completing asynchronous calls.
109  *
110  * @return None.
111  */
112 inline void
113     getHypervisorActions(const std::shared_ptr<bmcweb::AsyncResp>& aResp)
114 {
115     BMCWEB_LOG_DEBUG << "Get hypervisor actions.";
116     crow::connections::systemBus->async_method_call(
117         [aResp](
118             const boost::system::error_code ec,
119             const std::vector<std::pair<std::string, std::vector<std::string>>>&
120                 objInfo) {
121             if (ec)
122             {
123                 BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
124                 // This is an optional D-Bus object so just return if
125                 // error occurs
126                 return;
127             }
128 
129             if (objInfo.size() == 0)
130             {
131                 // As noted above, this is an optional interface so just return
132                 // if there is no instance found
133                 return;
134             }
135 
136             if (objInfo.size() > 1)
137             {
138                 // More then one hypervisor object is not supported and is an
139                 // error
140                 messages::internalError(aResp->res);
141                 return;
142             }
143 
144             // Object present so system support limited ComputerSystem Action
145             aResp->res.jsonValue["Actions"]["#ComputerSystem.Reset"] = {
146                 {"target",
147                  "/redfish/v1/Systems/hypervisor/Actions/ComputerSystem.Reset"},
148                 {"@Redfish.ActionInfo",
149                  "/redfish/v1/Systems/hypervisor/ResetActionInfo"}};
150         },
151         "xyz.openbmc_project.ObjectMapper",
152         "/xyz/openbmc_project/object_mapper",
153         "xyz.openbmc_project.ObjectMapper", "GetObject",
154         "/xyz/openbmc_project/state/hypervisor0",
155         std::array<const char*, 1>{"xyz.openbmc_project.State.Host"});
156 }
157 
158 inline bool extractHypervisorInterfaceData(
159     const std::string& ethIfaceId, const GetManagedObjects& dbusData,
160     EthernetInterfaceData& ethData,
161     boost::container::flat_set<IPv4AddressData>& ipv4Config)
162 {
163     bool idFound = false;
164     for (const auto& objpath : dbusData)
165     {
166         for (const auto& ifacePair : objpath.second)
167         {
168             if (objpath.first ==
169                 "/xyz/openbmc_project/network/hypervisor/" + ethIfaceId)
170             {
171                 idFound = true;
172                 if (ifacePair.first == "xyz.openbmc_project.Network.MACAddress")
173                 {
174                     for (const auto& propertyPair : ifacePair.second)
175                     {
176                         if (propertyPair.first == "MACAddress")
177                         {
178                             const std::string* mac =
179                                 std::get_if<std::string>(&propertyPair.second);
180                             if (mac != nullptr)
181                             {
182                                 ethData.mac_address = *mac;
183                             }
184                         }
185                     }
186                 }
187                 else if (ifacePair.first ==
188                          "xyz.openbmc_project.Network.EthernetInterface")
189                 {
190                     for (const auto& propertyPair : ifacePair.second)
191                     {
192                         if (propertyPair.first == "DHCPEnabled")
193                         {
194                             const std::string* dhcp =
195                                 std::get_if<std::string>(&propertyPair.second);
196                             if (dhcp != nullptr)
197                             {
198                                 ethData.DHCPEnabled = *dhcp;
199                                 break; // Interested on only "DHCPEnabled".
200                                        // Stop parsing since we got the
201                                        // "DHCPEnabled" value.
202                             }
203                         }
204                     }
205                 }
206             }
207             if (objpath.first == "/xyz/openbmc_project/network/hypervisor/" +
208                                      ethIfaceId + "/ipv4/addr0")
209             {
210                 std::pair<boost::container::flat_set<IPv4AddressData>::iterator,
211                           bool>
212                     it = ipv4Config.insert(IPv4AddressData{});
213                 IPv4AddressData& ipv4Address = *it.first;
214                 if (ifacePair.first == "xyz.openbmc_project.Object.Enable")
215                 {
216                     for (auto& property : ifacePair.second)
217                     {
218                         if (property.first == "Enabled")
219                         {
220                             const bool* intfEnable =
221                                 std::get_if<bool>(&property.second);
222                             if (intfEnable != nullptr)
223                             {
224                                 ipv4Address.isActive = *intfEnable;
225                                 break;
226                             }
227                         }
228                     }
229                 }
230                 if (ifacePair.first == "xyz.openbmc_project.Network.IP")
231                 {
232                     for (auto& property : ifacePair.second)
233                     {
234                         if (property.first == "Address")
235                         {
236                             const std::string* address =
237                                 std::get_if<std::string>(&property.second);
238                             if (address != nullptr)
239                             {
240                                 ipv4Address.address = *address;
241                             }
242                         }
243                         else if (property.first == "Origin")
244                         {
245                             const std::string* origin =
246                                 std::get_if<std::string>(&property.second);
247                             if (origin != nullptr)
248                             {
249                                 ipv4Address.origin =
250                                     translateAddressOriginDbusToRedfish(*origin,
251                                                                         true);
252                             }
253                         }
254                         else if (property.first == "PrefixLength")
255                         {
256                             const uint8_t* mask =
257                                 std::get_if<uint8_t>(&property.second);
258                             if (mask != nullptr)
259                             {
260                                 // convert it to the string
261                                 ipv4Address.netmask = getNetmask(*mask);
262                             }
263                         }
264                         else if (property.first == "Type" ||
265                                  property.first == "Gateway")
266                         {
267                             // Type & Gateway is not used
268                             continue;
269                         }
270                         else
271                         {
272                             BMCWEB_LOG_ERROR
273                                 << "Got extra property: " << property.first
274                                 << " on the " << objpath.first.str << " object";
275                         }
276                     }
277                 }
278             }
279             if (objpath.first == "/xyz/openbmc_project/network/hypervisor")
280             {
281                 // System configuration shows up in the global namespace, so no
282                 // need to check eth number
283                 if (ifacePair.first ==
284                     "xyz.openbmc_project.Network.SystemConfiguration")
285                 {
286                     for (const auto& propertyPair : ifacePair.second)
287                     {
288                         if (propertyPair.first == "HostName")
289                         {
290                             const std::string* hostName =
291                                 std::get_if<std::string>(&propertyPair.second);
292                             if (hostName != nullptr)
293                             {
294                                 ethData.hostname = *hostName;
295                             }
296                         }
297                         else if (propertyPair.first == "DefaultGateway")
298                         {
299                             const std::string* defaultGateway =
300                                 std::get_if<std::string>(&propertyPair.second);
301                             if (defaultGateway != nullptr)
302                             {
303                                 ethData.default_gateway = *defaultGateway;
304                             }
305                         }
306                     }
307                 }
308             }
309         }
310     }
311     return idFound;
312 }
313 /**
314  * Function that retrieves all properties for given Hypervisor Ethernet
315  * Interface Object from Settings Manager
316  * @param ethIfaceId Hypervisor ethernet interface id to query on DBus
317  * @param callback a function that shall be called to convert Dbus output
318  * into JSON
319  */
320 template <typename CallbackFunc>
321 void getHypervisorIfaceData(const std::string& ethIfaceId,
322                             CallbackFunc&& callback)
323 {
324     crow::connections::systemBus->async_method_call(
325         [ethIfaceId{std::string{ethIfaceId}},
326          callback{std::move(callback)}](const boost::system::error_code error,
327                                         const GetManagedObjects& resp) {
328             EthernetInterfaceData ethData{};
329             boost::container::flat_set<IPv4AddressData> ipv4Data;
330             if (error)
331             {
332                 callback(false, ethData, ipv4Data);
333                 return;
334             }
335 
336             bool found = extractHypervisorInterfaceData(ethIfaceId, resp,
337                                                         ethData, ipv4Data);
338             if (!found)
339             {
340                 BMCWEB_LOG_INFO << "Hypervisor Interface not found";
341             }
342             callback(found, ethData, ipv4Data);
343         },
344         "xyz.openbmc_project.Settings", "/",
345         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
346 }
347 
348 /**
349  * @brief Sets the Hypervisor Interface IPAddress DBUS
350  *
351  * @param[in] aResp          Shared pointer for generating response message.
352  * @param[in] ipv4Address    Address from the incoming request
353  * @param[in] ethIfaceId     Hypervisor Interface Id
354  *
355  * @return None.
356  */
357 inline void
358     setHypervisorIPv4Address(const std::shared_ptr<bmcweb::AsyncResp>& aResp,
359                              const std::string& ethIfaceId,
360                              const std::string& ipv4Address)
361 {
362     BMCWEB_LOG_DEBUG << "Setting the Hypervisor IPaddress : " << ipv4Address
363                      << " on Iface: " << ethIfaceId;
364     crow::connections::systemBus->async_method_call(
365         [aResp](const boost::system::error_code ec) {
366             if (ec)
367             {
368                 BMCWEB_LOG_ERROR << "DBUS response error " << ec;
369                 return;
370             }
371             BMCWEB_LOG_DEBUG << "Hypervisor IPaddress is Set";
372         },
373         "xyz.openbmc_project.Settings",
374         "/xyz/openbmc_project/network/hypervisor/" + ethIfaceId + "/ipv4/addr0",
375         "org.freedesktop.DBus.Properties", "Set",
376         "xyz.openbmc_project.Network.IP", "Address",
377         std::variant<std::string>(ipv4Address));
378 }
379 
380 /**
381  * @brief Sets the Hypervisor Interface SubnetMask DBUS
382  *
383  * @param[in] aResp     Shared pointer for generating response message.
384  * @param[in] subnet    SubnetMask from the incoming request
385  * @param[in] ethIfaceId Hypervisor Interface Id
386  *
387  * @return None.
388  */
389 inline void
390     setHypervisorIPv4Subnet(const std::shared_ptr<bmcweb::AsyncResp>& aResp,
391                             const std::string& ethIfaceId, const uint8_t subnet)
392 {
393     BMCWEB_LOG_DEBUG << "Setting the Hypervisor subnet : " << subnet
394                      << " on Iface: " << ethIfaceId;
395 
396     crow::connections::systemBus->async_method_call(
397         [aResp](const boost::system::error_code ec) {
398             if (ec)
399             {
400                 BMCWEB_LOG_ERROR << "DBUS response error " << ec;
401                 return;
402             }
403             BMCWEB_LOG_DEBUG << "SubnetMask is Set";
404         },
405         "xyz.openbmc_project.Settings",
406         "/xyz/openbmc_project/network/hypervisor/" + ethIfaceId + "/ipv4/addr0",
407         "org.freedesktop.DBus.Properties", "Set",
408         "xyz.openbmc_project.Network.IP", "PrefixLength",
409         std::variant<uint8_t>(subnet));
410 }
411 
412 /**
413  * @brief Sets the Hypervisor Interface Gateway DBUS
414  *
415  * @param[in] aResp          Shared pointer for generating response message.
416  * @param[in] gateway        Gateway from the incoming request
417  * @param[in] ethIfaceId     Hypervisor Interface Id
418  *
419  * @return None.
420  */
421 inline void
422     setHypervisorIPv4Gateway(const std::shared_ptr<bmcweb::AsyncResp>& aResp,
423                              const std::string& gateway)
424 {
425     BMCWEB_LOG_DEBUG
426         << "Setting the DefaultGateway to the last configured gateway";
427 
428     crow::connections::systemBus->async_method_call(
429         [aResp](const boost::system::error_code ec) {
430             if (ec)
431             {
432                 BMCWEB_LOG_ERROR << "DBUS response error " << ec;
433                 return;
434             }
435             BMCWEB_LOG_DEBUG << "Default Gateway is Set";
436         },
437         "xyz.openbmc_project.Settings",
438         "/xyz/openbmc_project/network/hypervisor",
439         "org.freedesktop.DBus.Properties", "Set",
440         "xyz.openbmc_project.Network.SystemConfiguration", "DefaultGateway",
441         std::variant<std::string>(gateway));
442 }
443 
444 /**
445  * @brief Creates a static IPv4 entry
446  *
447  * @param[in] ifaceId      Id of interface upon which to create the IPv4 entry
448  * @param[in] prefixLength IPv4 prefix syntax for the subnet mask
449  * @param[in] gateway      IPv4 address of this interfaces gateway
450  * @param[in] address      IPv4 address to assign to this interface
451  * @param[io] asyncResp    Response object that will be returned to client
452  *
453  * @return None
454  */
455 inline void
456     createHypervisorIPv4(const std::string& ifaceId, uint8_t prefixLength,
457                          const std::string& gateway, const std::string& address,
458                          const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
459 {
460     setHypervisorIPv4Address(asyncResp, ifaceId, address);
461     setHypervisorIPv4Gateway(asyncResp, gateway);
462     setHypervisorIPv4Subnet(asyncResp, ifaceId, prefixLength);
463 }
464 
465 /**
466  * @brief Deletes given IPv4 interface
467  *
468  * @param[in] ifaceId     Id of interface whose IP should be deleted
469  * @param[io] asyncResp   Response object that will be returned to client
470  *
471  * @return None
472  */
473 inline void
474     deleteHypervisorIPv4(const std::string& ifaceId,
475                          const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
476 {
477     std::string address = "0.0.0.0";
478     std::string gateway = "0.0.0.0";
479     const uint8_t prefixLength = 0;
480     setHypervisorIPv4Address(asyncResp, ifaceId, address);
481     setHypervisorIPv4Gateway(asyncResp, gateway);
482     setHypervisorIPv4Subnet(asyncResp, ifaceId, prefixLength);
483 }
484 
485 inline void parseInterfaceData(
486     nlohmann::json& jsonResponse, const std::string& ifaceId,
487     const EthernetInterfaceData& ethData,
488     const boost::container::flat_set<IPv4AddressData>& ipv4Data)
489 {
490     jsonResponse["Id"] = ifaceId;
491     jsonResponse["@odata.id"] =
492         "/redfish/v1/Systems/hypervisor/EthernetInterfaces/" + ifaceId;
493     jsonResponse["InterfaceEnabled"] = true;
494     jsonResponse["MACAddress"] = ethData.mac_address;
495 
496     jsonResponse["HostName"] = ethData.hostname;
497     jsonResponse["DHCPv4"]["DHCPEnabled"] =
498         translateDHCPEnabledToBool(ethData.DHCPEnabled, true);
499 
500     nlohmann::json& ipv4Array = jsonResponse["IPv4Addresses"];
501     nlohmann::json& ipv4StaticArray = jsonResponse["IPv4StaticAddresses"];
502     ipv4Array = nlohmann::json::array();
503     ipv4StaticArray = nlohmann::json::array();
504     for (auto& ipv4Config : ipv4Data)
505     {
506         if (ipv4Config.isActive)
507         {
508 
509             ipv4Array.push_back({{"AddressOrigin", ipv4Config.origin},
510                                  {"SubnetMask", ipv4Config.netmask},
511                                  {"Address", ipv4Config.address},
512                                  {"Gateway", ethData.default_gateway}});
513             if (ipv4Config.origin == "Static")
514             {
515                 ipv4StaticArray.push_back(
516                     {{"AddressOrigin", ipv4Config.origin},
517                      {"SubnetMask", ipv4Config.netmask},
518                      {"Address", ipv4Config.address},
519                      {"Gateway", ethData.default_gateway}});
520             }
521         }
522     }
523 }
524 
525 inline void setDHCPEnabled(const std::string& ifaceId,
526                            const bool& ipv4DHCPEnabled,
527                            const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
528 {
529     const std::string dhcp = getDhcpEnabledEnumeration(ipv4DHCPEnabled, false);
530     crow::connections::systemBus->async_method_call(
531         [asyncResp](const boost::system::error_code ec) {
532             if (ec)
533             {
534                 BMCWEB_LOG_ERROR << "D-Bus responses error: " << ec;
535                 messages::internalError(asyncResp->res);
536                 return;
537             }
538         },
539         "xyz.openbmc_project.Settings",
540         "/xyz/openbmc_project/network/hypervisor/" + ifaceId,
541         "org.freedesktop.DBus.Properties", "Set",
542         "xyz.openbmc_project.Network.EthernetInterface", "DHCPEnabled",
543         std::variant<std::string>{dhcp});
544 
545     // Set the IPv4 address origin to the DHCP / Static as per the new value
546     // of the DHCPEnabled property
547     std::string origin;
548     if (ipv4DHCPEnabled == false)
549     {
550         origin = "xyz.openbmc_project.Network.IP.AddressOrigin.Static";
551     }
552     else
553     {
554         // DHCPEnabled is set to true. Delete the current IPv4 settings
555         // to receive the new values from DHCP server.
556         deleteHypervisorIPv4(ifaceId, asyncResp);
557         origin = "xyz.openbmc_project.Network.IP.AddressOrigin.DHCP";
558     }
559     crow::connections::systemBus->async_method_call(
560         [asyncResp](const boost::system::error_code ec) {
561             if (ec)
562             {
563                 BMCWEB_LOG_ERROR << "DBUS response error " << ec;
564                 messages::internalError(asyncResp->res);
565                 return;
566             }
567             BMCWEB_LOG_DEBUG << "Hypervisor IPaddress Origin is Set";
568         },
569         "xyz.openbmc_project.Settings",
570         "/xyz/openbmc_project/network/hypervisor/" + ifaceId + "/ipv4/addr0",
571         "org.freedesktop.DBus.Properties", "Set",
572         "xyz.openbmc_project.Network.IP", "Origin",
573         std::variant<std::string>(origin));
574 }
575 
576 inline void handleHypervisorIPv4StaticPatch(
577     const std::string& ifaceId, const nlohmann::json& input,
578     const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
579 {
580     if ((!input.is_array()) || input.empty())
581     {
582         messages::propertyValueTypeError(asyncResp->res, input.dump(),
583                                          "IPv4StaticAddresses");
584         return;
585     }
586 
587     // Hypervisor considers the first IP address in the array list
588     // as the Hypervisor's virtual management interface supports single IPv4
589     // address
590     const nlohmann::json& thisJson = input[0];
591 
592     // For the error string
593     std::string pathString = "IPv4StaticAddresses/1";
594 
595     if (!thisJson.is_null() && !thisJson.empty())
596     {
597         std::optional<std::string> address;
598         std::optional<std::string> subnetMask;
599         std::optional<std::string> gateway;
600         nlohmann::json thisJsonCopy = thisJson;
601         if (!json_util::readJson(thisJsonCopy, asyncResp->res, "Address",
602                                  address, "SubnetMask", subnetMask, "Gateway",
603                                  gateway))
604         {
605             messages::propertyValueFormatError(
606                 asyncResp->res,
607                 thisJson.dump(2, ' ', true,
608                               nlohmann::json::error_handler_t::replace),
609                 pathString);
610             return;
611         }
612 
613         uint8_t prefixLength = 0;
614         bool errorInEntry = false;
615         if (address)
616         {
617             if (!ipv4VerifyIpAndGetBitcount(*address))
618             {
619                 messages::propertyValueFormatError(asyncResp->res, *address,
620                                                    pathString + "/Address");
621                 errorInEntry = true;
622             }
623         }
624         else
625         {
626             messages::propertyMissing(asyncResp->res, pathString + "/Address");
627             errorInEntry = true;
628         }
629 
630         if (subnetMask)
631         {
632             if (!ipv4VerifyIpAndGetBitcount(*subnetMask, &prefixLength))
633             {
634                 messages::propertyValueFormatError(asyncResp->res, *subnetMask,
635                                                    pathString + "/SubnetMask");
636                 errorInEntry = true;
637             }
638         }
639         else
640         {
641             messages::propertyMissing(asyncResp->res,
642                                       pathString + "/SubnetMask");
643             errorInEntry = true;
644         }
645 
646         if (gateway)
647         {
648             if (!ipv4VerifyIpAndGetBitcount(*gateway))
649             {
650                 messages::propertyValueFormatError(asyncResp->res, *gateway,
651                                                    pathString + "/Gateway");
652                 errorInEntry = true;
653             }
654         }
655         else
656         {
657             messages::propertyMissing(asyncResp->res, pathString + "/Gateway");
658             errorInEntry = true;
659         }
660 
661         if (errorInEntry)
662         {
663             return;
664         }
665 
666         BMCWEB_LOG_DEBUG << "Calling createHypervisorIPv4 on : " << ifaceId
667                          << "," << *address;
668         createHypervisorIPv4(ifaceId, prefixLength, *gateway, *address,
669                              asyncResp);
670         // Set the DHCPEnabled to false since the Static IPv4 is set
671         setDHCPEnabled(ifaceId, false, asyncResp);
672     }
673     else
674     {
675         if (thisJson.is_null())
676         {
677             deleteHypervisorIPv4(ifaceId, asyncResp);
678         }
679     }
680 }
681 
682 inline void
683     handleHostnamePatch(const std::string& hostName,
684                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
685 {
686     if (!isHostnameValid(hostName))
687     {
688         messages::propertyValueFormatError(asyncResp->res, hostName,
689                                            "HostName");
690         return;
691     }
692 
693     asyncResp->res.jsonValue["HostName"] = hostName;
694     crow::connections::systemBus->async_method_call(
695         [asyncResp](const boost::system::error_code ec) {
696             if (ec)
697             {
698                 messages::internalError(asyncResp->res);
699             }
700         },
701         "xyz.openbmc_project.Settings",
702         "/xyz/openbmc_project/network/hypervisor",
703         "org.freedesktop.DBus.Properties", "Set",
704         "xyz.openbmc_project.Network.SystemConfiguration", "HostName",
705         std::variant<std::string>(hostName));
706 }
707 
708 inline void
709     setIPv4InterfaceEnabled(const std::string& ifaceId, const bool& isActive,
710                             const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
711 {
712     crow::connections::systemBus->async_method_call(
713         [asyncResp](const boost::system::error_code ec) {
714             if (ec)
715             {
716                 BMCWEB_LOG_ERROR << "D-Bus responses error: " << ec;
717                 messages::internalError(asyncResp->res);
718                 return;
719             }
720         },
721         "xyz.openbmc_project.Settings",
722         "/xyz/openbmc_project/network/hypervisor/" + ifaceId + "/ipv4/addr0",
723         "org.freedesktop.DBus.Properties", "Set",
724         "xyz.openbmc_project.Object.Enable", "Enabled",
725         std::variant<bool>(isActive));
726 }
727 
728 inline void requestRoutesHypervisorSystems(App& app)
729 {
730     /**
731      * Hypervisor Systems derived class for delivering Computer Systems Schema.
732      */
733 
734     BMCWEB_ROUTE(app, "/redfish/v1/Systems/hypervisor/")
735         .privileges(redfish::privileges::getComputerSystem)
736         .methods(
737             boost::beast::http::verb::
738                 get)([](const crow::Request&,
739                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
740             crow::connections::systemBus->async_method_call(
741                 [asyncResp](const boost::system::error_code ec,
742                             const std::variant<std::string>& /*hostName*/) {
743                     if (ec)
744                     {
745                         messages::resourceNotFound(asyncResp->res, "System",
746                                                    "hypervisor");
747                         return;
748                     }
749                     BMCWEB_LOG_DEBUG << "Hypervisor is available";
750 
751                     asyncResp->res.jsonValue["@odata.type"] =
752                         "#ComputerSystem.v1_6_0.ComputerSystem";
753                     asyncResp->res.jsonValue["@odata.id"] =
754                         "/redfish/v1/Systems/hypervisor";
755                     asyncResp->res.jsonValue["Description"] = "Hypervisor";
756                     asyncResp->res.jsonValue["Name"] = "Hypervisor";
757                     asyncResp->res.jsonValue["Id"] = "hypervisor";
758                     asyncResp->res.jsonValue["SystemType"] = "OS";
759                     asyncResp->res.jsonValue["Links"]["ManagedBy"] = {
760                         {{"@odata.id", "/redfish/v1/Managers/bmc"}}};
761                     asyncResp->res.jsonValue["EthernetInterfaces"] = {
762                         {"@odata.id",
763                          "/redfish/v1/Systems/hypervisor/EthernetInterfaces"}};
764                     getHypervisorState(asyncResp);
765                     getHypervisorActions(asyncResp);
766                     // TODO: Add "SystemType" : "hypervisor"
767                 },
768                 "xyz.openbmc_project.Settings",
769                 "/xyz/openbmc_project/network/hypervisor",
770                 "org.freedesktop.DBus.Properties", "Get",
771                 "xyz.openbmc_project.Network.SystemConfiguration", "HostName");
772         });
773 
774     /**
775      * HypervisorInterfaceCollection class to handle the GET and PATCH on
776      * Hypervisor Interface
777      */
778 
779     BMCWEB_ROUTE(app, "/redfish/v1/Systems/hypervisor/EthernetInterfaces/")
780         .privileges(redfish::privileges::getEthernetInterfaceCollection)
781         .methods(
782             boost::beast::http::verb::
783                 get)([](const crow::Request&,
784                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
785             const std::array<const char*, 1> interfaces = {
786                 "xyz.openbmc_project.Network.EthernetInterface"};
787 
788             crow::connections::systemBus->async_method_call(
789                 [asyncResp](const boost::system::error_code error,
790                             const std::vector<std::string>& ifaceList) {
791                     if (error)
792                     {
793                         messages::resourceNotFound(asyncResp->res, "System",
794                                                    "hypervisor");
795                         return;
796                     }
797                     asyncResp->res.jsonValue["@odata.type"] =
798                         "#EthernetInterfaceCollection."
799                         "EthernetInterfaceCollection";
800                     asyncResp->res.jsonValue["@odata.id"] =
801                         "/redfish/v1/Systems/hypervisor/EthernetInterfaces";
802                     asyncResp->res.jsonValue["Name"] = "Hypervisor Ethernet "
803                                                        "Interface Collection";
804                     asyncResp->res.jsonValue["Description"] =
805                         "Collection of Virtual Management "
806                         "Interfaces for the hypervisor";
807 
808                     nlohmann::json& ifaceArray =
809                         asyncResp->res.jsonValue["Members"];
810                     ifaceArray = nlohmann::json::array();
811                     for (const std::string& iface : ifaceList)
812                     {
813                         sdbusplus::message::object_path path(iface);
814                         std::string name = path.filename();
815                         if (name.empty())
816                         {
817                             continue;
818                         }
819 
820                         ifaceArray.push_back(
821                             {{"@odata.id",
822                               "/redfish/v1/Systems/hypervisor/EthernetInterfaces/" +
823                                   name}});
824                     }
825                     asyncResp->res.jsonValue["Members@odata.count"] =
826                         ifaceArray.size();
827                 },
828                 "xyz.openbmc_project.ObjectMapper",
829                 "/xyz/openbmc_project/object_mapper",
830                 "xyz.openbmc_project.ObjectMapper", "GetSubTreePaths",
831                 "/xyz/openbmc_project/network/hypervisor", 0, interfaces);
832         });
833 
834     BMCWEB_ROUTE(app,
835                  "/redfish/v1/Systems/hypervisor/EthernetInterfaces/<str>/")
836         .privileges(redfish::privileges::getEthernetInterface)
837         .methods(
838             boost::beast::http::verb::get)([](const crow::Request&,
839                                               const std::shared_ptr<
840                                                   bmcweb::AsyncResp>& asyncResp,
841                                               const std::string& id) {
842             getHypervisorIfaceData(
843                 id,
844                 [asyncResp, ifaceId{std::string(id)}](
845                     const bool& success, const EthernetInterfaceData& ethData,
846                     const boost::container::flat_set<IPv4AddressData>&
847                         ipv4Data) {
848                     if (!success)
849                     {
850                         messages::resourceNotFound(
851                             asyncResp->res, "EthernetInterface", ifaceId);
852                         return;
853                     }
854                     asyncResp->res.jsonValue["@odata.type"] =
855                         "#EthernetInterface.v1_5_1.EthernetInterface";
856                     asyncResp->res.jsonValue["Name"] =
857                         "Hypervisor Ethernet Interface";
858                     asyncResp->res.jsonValue["Description"] =
859                         "Hypervisor's Virtual Management Ethernet Interface";
860                     parseInterfaceData(asyncResp->res.jsonValue, ifaceId,
861                                        ethData, ipv4Data);
862                 });
863         });
864 
865     BMCWEB_ROUTE(app,
866                  "/redfish/v1/Systems/hypervisor/EthernetInterfaces/<str>/")
867         .privileges(redfish::privileges::patchEthernetInterface)
868         .methods(
869             boost::beast::http::verb::
870                 patch)([](const crow::Request& req,
871                           const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
872                           const std::string& ifaceId) {
873             std::optional<std::string> hostName;
874             std::optional<std::vector<nlohmann::json>> ipv4StaticAddresses;
875             std::optional<nlohmann::json> ipv4Addresses;
876             std::optional<nlohmann::json> dhcpv4;
877             std::optional<bool> ipv4DHCPEnabled;
878 
879             if (!json_util::readJson(req, asyncResp->res, "HostName", hostName,
880                                      "IPv4StaticAddresses", ipv4StaticAddresses,
881                                      "IPv4Addresses", ipv4Addresses, "DHCPv4",
882                                      dhcpv4))
883             {
884                 return;
885             }
886 
887             if (ipv4Addresses)
888             {
889                 messages::propertyNotWritable(asyncResp->res, "IPv4Addresses");
890                 return;
891             }
892 
893             if (dhcpv4)
894             {
895                 if (!json_util::readJson(*dhcpv4, asyncResp->res, "DHCPEnabled",
896                                          ipv4DHCPEnabled))
897                 {
898                     return;
899                 }
900             }
901 
902             getHypervisorIfaceData(
903                 ifaceId,
904                 [asyncResp, ifaceId, hostName = std::move(hostName),
905                  ipv4StaticAddresses = std::move(ipv4StaticAddresses),
906                  ipv4DHCPEnabled, dhcpv4 = std::move(dhcpv4)](
907                     const bool& success, const EthernetInterfaceData& ethData,
908                     const boost::container::flat_set<IPv4AddressData>&) {
909                     if (!success)
910                     {
911                         messages::resourceNotFound(
912                             asyncResp->res, "EthernetInterface", ifaceId);
913                         return;
914                     }
915 
916                     if (ipv4StaticAddresses)
917                     {
918                         const nlohmann::json& ipv4Static = *ipv4StaticAddresses;
919                         if (ipv4Static.begin() == ipv4Static.end())
920                         {
921                             messages::propertyValueTypeError(
922                                 asyncResp->res,
923                                 ipv4Static.dump(
924                                     2, ' ', true,
925                                     nlohmann::json::error_handler_t::replace),
926                                 "IPv4StaticAddresses");
927                             return;
928                         }
929 
930                         // One and only one hypervisor instance supported
931                         if (ipv4Static.size() != 1)
932                         {
933                             messages::propertyValueFormatError(
934                                 asyncResp->res,
935                                 ipv4Static.dump(
936                                     2, ' ', true,
937                                     nlohmann::json::error_handler_t::replace),
938                                 "IPv4StaticAddresses");
939                             return;
940                         }
941 
942                         const nlohmann::json& ipv4Json = ipv4Static[0];
943                         // Check if the param is 'null'. If its null, it means
944                         // that user wants to delete the IP address. Deleting
945                         // the IP address is allowed only if its statically
946                         // configured. Deleting the address originated from DHCP
947                         // is not allowed.
948                         if ((ipv4Json.is_null()) &&
949                             (translateDHCPEnabledToBool(ethData.DHCPEnabled,
950                                                         true)))
951                         {
952                             BMCWEB_LOG_INFO
953                                 << "Ignoring the delete on ipv4StaticAddresses "
954                                    "as the interface is DHCP enabled";
955                         }
956                         else
957                         {
958                             handleHypervisorIPv4StaticPatch(ifaceId, ipv4Static,
959                                                             asyncResp);
960                         }
961                     }
962 
963                     if (hostName)
964                     {
965                         handleHostnamePatch(*hostName, asyncResp);
966                     }
967 
968                     if (dhcpv4)
969                     {
970                         setDHCPEnabled(ifaceId, *ipv4DHCPEnabled, asyncResp);
971                     }
972 
973                     // Set this interface to disabled/inactive. This will be set
974                     // to enabled/active by the pldm once the hypervisor
975                     // consumes the updated settings from the user.
976                     setIPv4InterfaceEnabled(ifaceId, false, asyncResp);
977                 });
978             asyncResp->res.result(boost::beast::http::status::accepted);
979         });
980 
981     BMCWEB_ROUTE(app, "/redfish/v1/Systems/hypervisor/ResetActionInfo/")
982         .privileges(redfish::privileges::getActionInfo)
983         .methods(boost::beast::http::verb::get)(
984             [](const crow::Request&,
985                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
986                 // Only return action info if hypervisor D-Bus object present
987                 crow::connections::systemBus->async_method_call(
988                     [asyncResp](
989                         const boost::system::error_code ec,
990                         const std::vector<std::pair<
991                             std::string, std::vector<std::string>>>& objInfo) {
992                         if (ec)
993                         {
994                             BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
995 
996                             // No hypervisor objects found by mapper
997                             if (ec.value() == boost::system::errc::io_error)
998                             {
999                                 messages::resourceNotFound(asyncResp->res,
1000                                                            "hypervisor",
1001                                                            "ResetActionInfo");
1002                                 return;
1003                             }
1004 
1005                             messages::internalError(asyncResp->res);
1006                             return;
1007                         }
1008 
1009                         // One and only one hypervisor instance supported
1010                         if (objInfo.size() != 1)
1011                         {
1012                             messages::internalError(asyncResp->res);
1013                             return;
1014                         }
1015 
1016                         // The hypervisor object only support the ability to
1017                         // turn On The system object Action should be utilized
1018                         // for other operations
1019                         asyncResp->res.jsonValue = {
1020                             {"@odata.type", "#ActionInfo.v1_1_2.ActionInfo"},
1021                             {"@odata.id",
1022                              "/redfish/v1/Systems/hypervisor/ResetActionInfo"},
1023                             {"Name", "Reset Action Info"},
1024                             {"Id", "ResetActionInfo"},
1025                             {"Parameters",
1026                              {{{"Name", "ResetType"},
1027                                {"Required", true},
1028                                {"DataType", "String"},
1029                                {"AllowableValues", {"On"}}}}}};
1030                     },
1031                     "xyz.openbmc_project.ObjectMapper",
1032                     "/xyz/openbmc_project/object_mapper",
1033                     "xyz.openbmc_project.ObjectMapper", "GetObject",
1034                     "/xyz/openbmc_project/state/hypervisor0",
1035                     std::array<const char*, 1>{
1036                         "xyz.openbmc_project.State.Host"});
1037             });
1038 
1039     BMCWEB_ROUTE(app,
1040                  "/redfish/v1/Systems/hypervisor/Actions/ComputerSystem.Reset/")
1041         .privileges(redfish::privileges::postComputerSystem)
1042         .methods(boost::beast::http::verb::post)(
1043             [](const crow::Request& req,
1044                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
1045                 std::optional<std::string> resetType;
1046                 if (!json_util::readJson(req, asyncResp->res, "ResetType",
1047                                          resetType))
1048                 {
1049                     // readJson adds appropriate error to response
1050                     return;
1051                 }
1052 
1053                 if (!resetType)
1054                 {
1055                     messages::actionParameterMissing(
1056                         asyncResp->res, "ComputerSystem.Reset", "ResetType");
1057                     return;
1058                 }
1059 
1060                 // Hypervisor object only support On operation
1061                 if (resetType != "On")
1062                 {
1063                     messages::propertyValueNotInList(asyncResp->res, *resetType,
1064                                                      "ResetType");
1065                     return;
1066                 }
1067 
1068                 std::string command =
1069                     "xyz.openbmc_project.State.Host.Transition.On";
1070 
1071                 crow::connections::systemBus->async_method_call(
1072                     [asyncResp, resetType](const boost::system::error_code ec) {
1073                         if (ec)
1074                         {
1075                             BMCWEB_LOG_ERROR << "D-Bus responses error: " << ec;
1076                             if (ec.value() ==
1077                                 boost::asio::error::invalid_argument)
1078                             {
1079                                 messages::actionParameterNotSupported(
1080                                     asyncResp->res, *resetType, "Reset");
1081                                 return;
1082                             }
1083 
1084                             if (ec.value() ==
1085                                 boost::asio::error::host_unreachable)
1086                             {
1087                                 messages::resourceNotFound(asyncResp->res,
1088                                                            "Actions", "Reset");
1089                                 return;
1090                             }
1091 
1092                             messages::internalError(asyncResp->res);
1093                             return;
1094                         }
1095                         messages::success(asyncResp->res);
1096                     },
1097                     "xyz.openbmc_project.State.Hypervisor",
1098                     "/xyz/openbmc_project/state/hypervisor0",
1099                     "org.freedesktop.DBus.Properties", "Set",
1100                     "xyz.openbmc_project.State.Host", "RequestedHostTransition",
1101                     std::variant<std::string>{std::move(command)});
1102             });
1103 }
1104 } // namespace redfish::hypervisor
1105