Invoking an analyzer from ruby

bin/build_analyzer

@@ -6,4 +6,5 @@ require "pipeline"
 Pipeline.load_config(File.expand_path('../../config/pipeline.yml', __FILE__))
 # Pipeline.build_analyzer(ARGV[0])
 # Pipeline.scratch
+# Pipeline.release
 Pipeline.analyzer

lib/pipeline.rb

@@ -35,6 +35,7 @@ module Pipeline
   def self.release
     FileUtils.rm_rf "/tmp/analyzer-env/"
     env_base = "/tmp/analyzer-env/#{SecureRandom.hex}"
+    env_base = "/tmp/analyzer-env/1e9c733fd7502974c2a3fdd85da9c844"
     environment = Runtime::RuntimeEnvironment.new(env_base)
     environment.prepare
     img = Pipeline::Util::ImgWrapper.new
@@ -44,7 +45,11 @@ module Pipeline
   def self.analyzer
     env_base = "/tmp/analyzer-env/1e9c733fd7502974c2a3fdd85da9c844"
     environment = Runtime::RuntimeEnvironment.new(env_base)
-    environment.create_analyzer_workdir("ruby")
+    solution_dir = environment.prepare_analysis("ruby", 42)
+    iteration_folder = "#{solution_dir}/iteration"
+    File.write("#{iteration_folder}/two_fer.rb", 'puts "hello"')
+    environment.run_analysis("ruby", solution_dir, "two_fer")
+    puts File.read("#{iteration_folder}/analysis.json")
   end
 end
 

lib/pipeline/runtime/runtime_environment.rb

@@ -59,5 +59,41 @@ module Pipeline::Runtime
       FileUtils.mkdir_p iterations
     end
 
+    def prepare_analysis(track_slug, solution_id)
+      track_dir = "#{env_base}/#{track_slug}"
+      runs_dir = "#{track_dir}/runs"
+      current_dir = "#{track_dir}/current"
+      solution_dir = "#{runs_dir}/iteration_#{Time.now.to_i}-#{solution_id}-#{SecureRandom.hex}"
+
+      iteration_folder = "#{solution_dir}/iteration"
+      tmp_folder = "#{solution_dir}/tmp"
+
+      FileUtils.mkdir_p iteration_folder
+      FileUtils.mkdir_p tmp_folder
+      solution_dir
+    end
+
+    def run_analysis(track_slug, solution_dir, exercise_slug)
+      track_dir = "#{env_base}/#{track_slug}"
+      runs_dir = "#{track_dir}/runs"
+      current_dir = "#{track_dir}/current"
+      img = Pipeline::Util::ImgWrapper.new
+      runc = Pipeline::Util::RuncWrapper.new
+      configurator = Pipeline::Util::RuncConfigurator.new
+      configurator.seed_from_env
+
+      rootfs_source = "#{File.readlink(current_dir)}/rootfs"
+      configurator.rootfs = rootfs_source
+
+      container_driver = Pipeline::Util::ContainerDriver.new(runc, img, configurator, solution_dir)
+      container_driver.run_analyzer_for("two-fer")
+    end
+
+    def analyze_solution(track_slug, solution_id, exercise_slug)
+      iteration_folder = prepare_analysis
+      yield iteration_folder
+      run_analysis(iteration_folder, exercise_slug)
+    end
+
   end
 end

lib/pipeline/util/runc_configurator.rb

@@ -1,6 +1,10 @@
 module Pipeline::Util
   class RuncConfigurator
-    attr_accessor :uid_id, :gid_id, :invocation_args, :interactive
+    attr_accessor :uid_id, :gid_id, :invocation_args, :interactive, :rootfs
+
+    def initialize
+      @rootfs = "./rootfs"
+    end
 
     def seed_from_env
       @uid_id = `id -u`.chomp
@@ -49,7 +53,7 @@ module Pipeline::Util
           "noNewPrivileges": true
         },
         "root": {
-          "path": "./rootfs",
+          "path": "#{rootfs}",
           "readonly": true
         },
         "hostname": "exercism-runner",

test/pipeline/util/runc_configurator_test.rb

@@ -72,6 +72,14 @@ module Pipeline::Util
       assert_equal [ "rbind", "rw" ], mount["options"]
     end
 
+    def test_build_config_supports_rootfs_override
+      configurator.rootfs = "/absolute/path/to/another/rootfs"
+      config = configurator.build
+
+      assert_equal "/absolute/path/to/another/rootfs", config["root"]["path"]
+      assert_equal true,       config["root"]["readonly"]
+    end
+
     def test_build_config_has_correct_ids
       config = configurator.build
       refute config.nil?