# coding: utf-8
require 'puppet-openstack_infra_spec_helper/spec_helper_acceptance'

# https://blog.lorentzca.me/add-custom-matcher-of-serverspec/
# 既存のリソースタイプにマッチャーを追加する覚書き
class Specinfra::Command::Base::Package < Specinfra::Command::Base
  class << self
    def check_is_installed_by_pip3(name, version=nil)
      regexp = "^#{name} "
      cmd = "pip3 list | grep -iw -- #{escape(regexp)}"
      cmd = "#{cmd} | grep -w -- #{escape(version)}" if version
      cmd
    end
  end
end

describe 'puppet-zuul module', :if => ['debian', 'ubuntu'].include?(os[:family]) do
  def pp_path
    base_path = File.dirname(__FILE__)
    File.join(base_path, 'fixtures')
  end

  def preconditions_puppet_module
    module_path = File.join(pp_path, 'preconditions.pp')
    File.read(module_path)
  end

  def post_conditions_puppet_module
    module_path = File.join(pp_path, 'postconditions.pp')
    File.read(module_path)
  end

  def default_puppet_module
    module_path = File.join(pp_path, 'default.pp')
    File.read(module_path)
  end

  before(:all) do
    apply_manifest(preconditions_puppet_module, catch_failures: true)
  end

  it 'should work with no errors' do
    apply_manifest(default_puppet_module, catch_failures: true)
  end

  it 'should enable zuul server and zuul merger services' do
    apply_manifest(post_conditions_puppet_module, catch_failures: true)
  end

  describe 'required users' do
    describe user('zuul') do
      it { should exist }
      it { should belong_to_group 'zuul' }
      it { should have_home_directory '/home/zuul' }
      it { should have_login_shell '/bin/bash' }
    end
  end

  describe 'required operating system packages' do
    packages = [
      package('git'),
      package('build-essential'),
    ]
    packages << package('apache2') if ['ubuntu', 'debian'].include?(os[:family])
    packages << package('httpd') if ['centos', 'redhat'].include?(os[:family])

    packages.each do |package|
      describe package do
        it { should be_installed }
      end
    end
  end

  describe 'required pip packages' do
    packages = [
      package('objgraph'),
      package('yappi'),
      package('zuul')
    ]

    packages.each do |package|
      describe package do
        it { should be_installed.by('pip3') }
      end
    end
  end

  describe 'required files' do
    describe file('/etc/zuul/zuul.conf') do
      it { should be_file }
      it { should contain('[gearman]') }
      it { should contain('server=127.0.0.1') }
      it { should contain('[gerrit]') }
      it { should contain('server=') }
      it { should contain('[zuul]') }
      it { should contain('tenant_config=/etc/zuul/layout/main.yaml') }
    end

    describe file('/etc/default/zuul') do
      it { should be_file }
    end

    describe file('/var/log/zuul') do
      it { should be_directory }
      it { should be_owned_by 'zuul'}
    end

    describe file('/var/lib/zuul/git') do
      it { should be_directory }
      it { should be_owned_by 'zuul'}
    end

    describe 'directories belonging to zuul user and group' do
      directories = [
        file('/var/lib/zuul'),
        file('/var/run/zuul-merger'),
        file('/var/lib/zuul/ssh'),
        file('/var/run/zuul'),
      ]

      directories.each do |dir|
        describe dir do
          it { should be_directory }
          it { should be_owned_by 'zuul'}
          it { should be_grouped_into 'zuul'}
        end
      end
    end

    describe file('/var/lib/zuul/ssh/id_rsa') do
      it { should be_file }
      it { should contain('-----BEGIN RSA PRIVATE KEY-----') }
    end

    describe file('/home/zuul/.ssh/known_hosts') do
      it { should be_file }
      it { should contain('known_hosts_content') }
    end
  end

  describe cron do
    it { should have_entry('7 4 * * * find /var/lib/zuul/git/ -maxdepth 3 -type d -name ".git" -exec git --git-dir="{}" pack-refs --all \;').with_user('zuul') }
  end

  describe 'required services' do
    describe port(80) do
      it { should be_listening }
    end

    describe port(443) do
      it { should be_listening }
    end

    describe port(4730) do
      it { should be_listening }
    end
  end
end