Additional tools for gardening.

tools/gardening/bin/luci_api.dart

Index: tools/gardening/bin/luci_api.dart
diff --git a/tools/gardening/bin/luci_api.dart b/tools/gardening/bin/luci_api.dart
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+// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:async';
+
+import 'package:gardening/src/luci_api.dart';
+import 'package:gardening/src/luci_services.dart';
+import 'package:gardening/src/logger.dart';
+import 'package:gardening/src/cache_new.dart';
+import 'package:args/args.dart';
+
+ArgParser setupArgs() {
+  return new ArgParser()
+    ..addOption("client",
+        abbr: "c", defaultsTo: 'client.dart', help: "Set which client to use.")
+    ..addFlag("verbose",
+        abbr: "v", negatable: false, help: "Print debugging information.")
+    ..addFlag("no-cache",
+        negatable: false,
+        defaultsTo: false,
+        help: "Use this flag to bypass caching. This may be slower.")
+    ..addFlag("help",
+        negatable: false,
+        help: "Shows information on how to use the luci_api tool.")
+    ..addFlag("build-bots",
+        negatable: false,
+        help: "Use this flag to see the primary build bots for --client.")
+    ..addFlag("build-bots-all",
+        negatable: false,
+        help: "Use this flag to see all build bots for --client.")
+    ..addFlag("build-bot-details",
+        negatable: false,
+        help: "Use this flag as `--build-bot-details <name>` where "
+            "<name> is the name of the build bot, to see details of "
+            "a specific build bot.")
+    ..addFlag("build-details",
+        negatable: false,
+        help: "use this option as `--build-details <name> <buildNo>` where "
+            "<name> is the name of the bot and "
+            "<buildNo> is the number of the build.")
+    ..addFlag("commit-builds",
+        negatable: false,
+        help: "Fetches all builds for a specific commit. Use this flag as "
+            "`--commit-builds <commit-hash>` where the <commit-hash> is the "
+            "hash of the commit");
+}
+
+void printHelp(ArgParser parser) {
+  print("This tool calls different pages on Luci and aggregate the information "
+      "found. Below is stated information about flags and options:");
+  print("");
+  print(parser.usage);
+}
+
+main(List<String> args) async {
+  var parser = setupArgs();
+  var results = parser.parse(args);
+
+  if (results["help"]) {
+    printHelp(parser);
+    return;
+  }
+
+  var luciApi = new LuciApi();
+  Logger logger =
+      new StdOutLogger(results['verbose'] ? Level.debug : Level.info);
+  CreateCacheFunction createCache = results['no-cache']
+      ? noCache()
+      : initCache(Uri.base.resolve('temp/gardening-cache/'), logger);
+
+  if (results["build-bots"]) {
+    await performBuildBotsPrimary(luciApi, createCache, results);
+  } else if (results["build-bots-all"]) {
+    await performBuildBotsAll(luciApi, createCache, results);
+  } else if (results["build-bot-details"]) {
+    await performBuildBotDetails(luciApi, createCache, results);
+  } else if (results["build-details"]) {
+    await performBuildDetails(luciApi, createCache, results);
+  } else if (results["commit-builds"]) {
+    await performFindBuildsForCommit(luciApi, createCache, logger, results);
+  } else {
+    printHelp(parser);
+  }
+
+  luciApi.close();
+}
+
+Future performBuildBotsPrimary(
+    LuciApi api, CreateCacheFunction createCache, ArgResults results) async {
+  var res = await api.getPrimaryBuilders(
+      results['client'], createCache(duration: new Duration(hours: 1)));
+  res.fold((ex, stackTrace) {
+    print(ex);
+    print(stackTrace);
+  }, (bots) => bots.forEach(print));
+}
+
+Future performBuildBotsAll(
+    LuciApi api, CreateCacheFunction cache, ArgResults results) async {
+  var res = await api.getAllBuildBots(
+      results['client'], cache(duration: new Duration(hours: 1)));
+  res.fold((ex, stackTrace) {
+    print(ex);
+    print(stackTrace);
+  }, (bots) => bots.forEach(print));
+}
+
+Future performBuildBotDetails(
+    LuciApi api, CreateCacheFunction cache, ArgResults results) async {
+  if (results.rest.length == 0) {
+    print("No argument given for <name>. To see help, use --help");
+    return;
+  }
+  var result = await api.getBuildBotDetails(results['client'], results.rest[0],
+      cache(duration: new Duration(minutes: 15)));
+  result.fold((ex, stackTrace) {
+    print(ex);
+    print(stackTrace);
+  }, (detail) => print(detail));
+}
+
+Future performBuildDetails(
+    LuciApi api, CreateCacheFunction createCache, ArgResults results) async {
+  if (results.rest.length < 2) {
+    print("Missing argument for <name> or <buildNo>. To see help, use --help");
+    return;
+  }
+  int buildNumber = int.parse(results.rest[1], onError: (source) => 0);
+  if (buildNumber <= 0) {
+    print("The buildnumber ${results['build-details']} must be a integer "
+        "greater than zero");
+    return;
+  }
+
+  var result = await api.getBuildBotBuildDetails(
+      results['client'],
+      results.rest[0],
+      buildNumber,
+      createCache(duration: new Duration(minutes: 15)));
+  result.fold((ex, stackTrace) {
+    print(ex);
+    print(stackTrace);
+  }, (detail) => print(detail));
+}
+
+Future performFindBuildsForCommit(LuciApi api, CreateCacheFunction createCache,
+    Logger logger, ArgResults results) async {
+  if (results.rest.length == 0) {
+    print("Missing argument for <commit>. To see help, use --help");
+    return;
+  }
+
+  int amount = 25;
+  logger.info(
+      "Sorry - this is going to take some time, since we have to look into all "
+      "$amount latest builds for all bots for client ${results['client']}.\n"
+      "Subsequent queries run faster if caching is not turned off...");
+
+  var result = await fetchBuildsForCommmit(
+      api, logger, results['client'], results.rest[0], createCache, amount);
+  result.fold((ex, st) {
+    print(ex);
+    print(st);
+  }, (List<BuildDetail> details) {
+    print("The commit '${results.rest[0]} is used in the following builds:");
+    details.forEach((detail) {
+      String url = "https://luci-milo.appspot.com/buildbot/"
+          "${detail.client}/${detail.botName}/${detail.buildNumber}";
+      print("${detail.botName}: #${detail.buildNumber}\t$url");
+    });
+  });
+}