src/entity_manager/configuration.cpp

4 #include "phosphor-logging/lg2.hpp"
7 #include <nlohmann/json.hpp>
9 #include <valijson/schema.hpp>
23 bool writeJsonFiles(const nlohmann::json& systemConfiguration)
36 // reads json files out of the filesystem
37 bool loadConfigurations(std::list<nlohmann::json>& configurations)
46             R"(.*\.json)", jsonPaths))
58             << "Cannot open schema file,  cannot validate JSON, exiting\n\n";
62     nlohmann::json schema =
63         nlohmann::json::parse(schemaStream, nullptr, false, true);
64     if (schema.is_discarded())
67             << "Illegal schema file detected, cannot validate JSON, exiting\n";
80         auto data = nlohmann::json::parse(jsonStream, nullptr, false, true);
89         if (!validateJson(schema, data))
96         if (data.type() == nlohmann::json::value_t::array)
110                               std::chrono::steady_clock::now() - start)
113     lg2::debug("Finished loading json configuration in {MILLIS}ms", "MILLIS",
120 void deriveNewConfiguration(const nlohmann::json& oldConfiguration,
121                             nlohmann::json& newConfiguration)
137 // validates a given input(configuration) with a given json schema file.
138 bool validateJson(const nlohmann::json& schemaFile, const nlohmann::json& input)
140     valijson::Schema schema;
143     parser.populateSchema(schemaAdapter, schema);
146     return validator.validate(schema, targetAdapter, nullptr);
149 // Extract the D-Bus interfaces to probe from the JSON config files.
153     std::list<nlohmann::json> configurations;
161         auto findProbe = it->find("Probe");
162         if (findProbe == it->end())
169         nlohmann::json probeCommand;
170         if ((*findProbe).type() != nlohmann::json::value_t::array)
172             probeCommand = nlohmann::json::array();
180         for (const nlohmann::json& probeJson : probeCommand)
195             auto findStart = probe->find('(');
198                 std::string interface = probe->substr(0, findStart);