recopilar estadisticas de generación de sitios

app/models/build_stat.rb

@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+# Recolecta estadísticas durante la generación del sitio
+class BuildStat < ApplicationRecord
+  belongs_to :deploy
+end

app/models/deploy.rb

@@ -9,6 +9,7 @@ require 'open3'
 # :attributes`.
 class Deploy < ApplicationRecord
   belongs_to :site
+  has_many :build_stats
 
   def deploy
     raise NotImplementedError
@@ -18,16 +19,47 @@ class Deploy < ApplicationRecord
     raise NotImplementedError
   end
 
-  # Corre un comando y devuelve true si terminó correctamente
-  def run(cmd)
-    r = 1
+  def size
+    raise NotImplementedError
+  end
 
+  def time_start
+    @start = Time.now
+  end
+
+  def time_stop
+    @stop = Time.now
+  end
+
+  def time_spent_in_seconds
+    (@stop - @start).round(3)
+  end
+
+  # Corre un comando y devuelve true si terminó correctamente
+  # rubocop:disable Metrics/MethodLength
+  # rubocop:disable Metrics/AbcSize
+  def run(cmd)
+    # XXX: prestar atención a la concurrencia de sqlite3, se podría
+    # enviar los datos directamente a una API para que se manejen desde
+    # el proceso principal de rails y evitar problemas.
+    stat = build_stats.build action: cmd.split('-', 2).first.tr(' ', '_')
+    r = nil
+
+    time_start
     Dir.chdir(site.path) do
-      Open3.popen2(env, cmd, unsetenv_others: true) do |_, _o, t|
+      Open3.popen2e(env, cmd, unsetenv_others: true) do |_, o, t|
         r = t.value
+        stat.log = o.read
       end
     end
+    time_stop
 
-    r.exited?
+    stat.seconds = time_spent_in_seconds
+    stat.bytes = size
+    stat.save
+
+    r.try :exited?
   end
+  # rubocop:enable Metrics/MethodLength
+  # rubocop:enable Metrics/AbcSize
 end

app/models/deploy_local.rb

@@ -24,10 +24,21 @@ class DeployLocal < Deploy
     1
   end
 
+  # Obtener el tamaño de todos los archivos y directorios (los
+  # directorios son archivos :)
+  def size
+    paths = [destination, File.join(destination, '**', '**')]
+
+    Dir.glob(paths).map do |file|
+      File.size file
+    end.inject(:+)
+  end
+
   private
 
   # Un entorno que solo tiene lo que necesitamos
   def env
+    # XXX: This doesn't support Windows paths :B
     paths = [File.dirname(`which bundle`), '/usr/bin']
 
     { 'PATH' => paths.join(':'), 'JEKYLL_ENV' => 'production' }

app/models/deploy_zip.rb

@@ -12,8 +12,10 @@ class DeployZip < Deploy
   # Una vez que el sitio está generado, tomar todos los archivos y
   # y generar un zip accesible públicamente.
   #
-  # TODO: Recolectar estadísticas y enviarlas a la base de datos
+  # rubocop:disable Metrics/MethodLength
+  # rubocop:disable Metrics/AbcSize
   def deploy
+    time_start
     Dir.chdir(destination) do
       Zip::File.open(path, Zip::File::CREATE) do |z|
         Dir.glob('./**/**').each do |f|
@@ -21,9 +23,24 @@ class DeployZip < Deploy
         end
       end
     end
+    time_stop
+
+    build_stats.create action: 'zip',
+                       seconds: time_spent_in_seconds,
+                       bytes: size
 
     File.exist? path
   end
+  # rubocop:enable Metrics/MethodLength
+  # rubocop:enable Metrics/AbcSize
+
+  def limit
+    1
+  end
+
+  def size
+    File.size path
+  end
 
   private
 

db/migrate/20190725185427_create_build_stats.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+class CreateBuildStats < ActiveRecord::Migration[5.2]
+  def change
+    create_table :build_stats do |t|
+      t.timestamps
+      t.belongs_to :deploy, index: true
+      t.integer :bytes
+      t.float :seconds
+      t.string :action, null: false
+      t.text :log
+    end
+  end
+end

db/schema.rb

@@ -12,7 +12,18 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20_190_723_220_002) do
+ActiveRecord::Schema.define(version: 20_190_725_185_427) do
+  create_table 'build_stats', force: :cascade do |t|
+    t.datetime 'created_at', null: false
+    t.datetime 'updated_at', null: false
+    t.integer 'deploy_id'
+    t.integer 'bytes'
+    t.float 'seconds'
+    t.string 'action', null: false
+    t.text 'log'
+    t.index ['deploy_id'], name: 'index_build_stats_on_deploy_id'
+  end
+
   create_table 'deploys', force: :cascade do |t|
     t.datetime 'created_at', null: false
     t.datetime 'updated_at', null: false

test/models/deploy_local_test.rb

@@ -6,6 +6,10 @@ class DeployZipTest < ActiveSupport::TestCase
 
     assert deploy_local.deploy
     assert File.directory?(deploy_local.destination)
+    assert_equal 3, deploy_local.build_stats.count
+
+    assert deploy_local.build_stats.map(&:bytes).compact.inject(:+).positive?
+    assert deploy_local.build_stats.map(&:seconds).compact.inject(:+).positive?
 
     assert deploy_local.destroy
     assert_not File.directory?(deploy_local.destination)

test/models/deploy_zip_test.rb

@@ -15,6 +15,9 @@ class DeployLocalTest < ActiveSupport::TestCase
     assert File.file?(deploy.path)
     assert_equal 'application/zip',
                  `file --mime-type "#{escaped_path}"`.split(' ').last
+    assert_equal 1, deploy.build_stats.count
+    assert deploy.build_stats.map(&:bytes).inject(:+).positive?
+    assert deploy.build_stats.map(&:seconds).inject(:+).positive?
 
     local.destroy
   end