blob: 9656a4690742fc653cf5fa003340f0978153f2d2 [file] [log] [blame]
Andrew Geissler693eaed2019-08-02 14:12:28 -05001#include <cassert>
2#include <fstream>
3#include <iostream>
4#include <systemd_target_parser.hpp>
5
6void validateErrorsToMonitor(std::vector<std::string>& errorsToMonitor)
7{
8 assert(errorsToMonitor.size());
9
10 const std::vector<std::string> validErrorsToMonitor = {
11 "default", "timeout", "failed", "dependency"};
12 for (const auto& errorToMonitor : errorsToMonitor)
13 {
14 if (std::find(validErrorsToMonitor.begin(), validErrorsToMonitor.end(),
15 errorToMonitor) == validErrorsToMonitor.end())
16 {
17 throw std::out_of_range("Found invalid error to monitor");
18 }
19 }
Andrew Geissler75a26142019-08-09 15:23:51 -050020 // See if default was in the errors to monitor, if so replace with defaults
21 auto errorItr =
22 std::find(errorsToMonitor.begin(), errorsToMonitor.end(), "default");
23 if (errorItr != errorsToMonitor.end())
24 {
25 // Verify default is the only entry
26 if (errorsToMonitor.size() != 1)
27 {
28 throw std::invalid_argument(
29 "default must be only error to monitor");
30 }
31 // delete "default" and insert defaults
32 errorsToMonitor.erase(errorItr);
33 errorsToMonitor.push_back("timeout");
34 errorsToMonitor.push_back("failed");
35 errorsToMonitor.push_back("dependency");
36 }
Andrew Geissler693eaed2019-08-02 14:12:28 -050037}
38
39TargetErrorData parseFiles(const std::vector<std::string>& filePaths)
40{
41 TargetErrorData systemdTargetMap;
42 for (const auto& jsonFile : filePaths)
43 {
44 if (gVerbose)
45 {
46 std::cout << "Parsing input file " << jsonFile << std::endl;
47 }
48 std::ifstream fileStream(jsonFile);
49 auto j = json::parse(fileStream);
50
51 for (auto it = j["targets"].begin(); it != j["targets"].end(); ++it)
52 {
53 targetEntry entry;
54 if (gVerbose)
55 {
56 std::cout << "target: " << it.key() << " | " << it.value()
57 << std::endl;
58 }
59
60 // Be unforgiving on invalid json files. Just throw or allow
61 // nlohmann to throw an exception if something is off
62 auto errorsToMonitor = it.value().find("errorsToMonitor");
63 entry.errorsToMonitor =
64 errorsToMonitor->get<std::vector<std::string>>();
65
66 validateErrorsToMonitor(entry.errorsToMonitor);
67
68 auto errorToLog = it.value().find("errorToLog");
69 entry.errorToLog = errorToLog->get<std::string>();
70
71 systemdTargetMap[it.key()] = entry;
72 }
73 }
74 return systemdTargetMap;
75}