Discussion on: Serverless web scraper in Ruby - tutorial

require 'json'
require 'selenium-webdriver'

def lambda_handler(event:, context:)
  setup_driver
  # driver.navigate.to 'http://www.google.com'
  # element = driver.find_element(name: 'q')
  # element.send_keys 'Pizza'
  # element.submit
  # title = driver.title
  # driver.quit
  { statusCode: 200, body: JSON.generate("Hola mundo") }
end

def setup_driver
    options = Selenium::WebDriver::Chrome::Options.new(binary: 'bin/headless-chromium')
    options.add_argument('--headless')
    options.add_argument('--disable-gpu')
    options.add_argument('--window-size=1280x1696')
    options.add_argument('--disable-application-cache')
    options.add_argument('--disable-infobars')
    options.add_argument('--no-sandbox')
    options.add_argument('--hide-scrollbars')
    options.add_argument('--enable-logging')
    options.add_argument('--log-level=0')
    options.add_argument('--single-process')
    options.add_argument('--ignore-certificate-errors')
    options.add_argument('--homedir=/tmp')
    service = Selenium::WebDriver::Service.chrome(path: 'bin/chromedriver')
    @driver = Selenium::WebDriver.for :chrome, service: service, options: options
    # @driver.manage.timeouts.implicit_wait = 30
end

START RequestId: c6fca6cd-e2e6-4782-8ca6-e10197058471 Version: $LATEST
Error raised from handler method{
  "errorMessage": "unable to connect to chromedriver 127.0.0.1:9515",
  "errorType": "Function<Selenium::WebDriver::Error::WebDriverError>",
  "stackTrace": [
    "/var/task/vendor/bundle/ruby/2.7.0/gems/selenium-webdriver-3.142.7/lib/selenium/webdriver/common/service.rb:200:in `connect_until_stable'",
    "/var/task/vendor/bundle/ruby/2.7.0/gems/selenium-webdriver-3.142.7/lib/selenium/webdriver/common/service.rb:111:in `block in start'",
    "/var/task/vendor/bundle/ruby/2.7.0/gems/selenium-webdriver-3.142.7/lib/selenium/webdriver/common/socket_lock.rb:41:in `locked'",
    "/var/task/vendor/bundle/ruby/2.7.0/gems/selenium-webdriver-3.142.7/lib/selenium/webdriver/common/service.rb:108:in `start'",
    "/var/task/vendor/bundle/ruby/2.7.0/gems/selenium-webdriver-3.142.7/lib/selenium/webdriver/common/driver.rb:303:in `service_url'",
    "/var/task/vendor/bundle/ruby/2.7.0/gems/selenium-webdriver-3.142.7/lib/selenium/webdriver/chrome/driver.rb:40:in `initialize'",
    "/var/task/vendor/bundle/ruby/2.7.0/gems/selenium-webdriver-3.142.7/lib/selenium/webdriver/common/driver.rb:46:in `new'",
    "/var/task/vendor/bundle/ruby/2.7.0/gems/selenium-webdriver-3.142.7/lib/selenium/webdriver/common/driver.rb:46:in `for'",
    "/var/task/vendor/bundle/ruby/2.7.0/gems/selenium-webdriver-3.142.7/lib/selenium/webdriver.rb:88:in `for'",
    "/var/task/prueba.rb:30:in `setup_driver'",
    "/var/task/prueba.rb:5:in `lambda_handler'"
  ]
}END RequestId: c6fca6cd-e2e6-4782-8ca6-e10197058471
REPORT RequestId: c6fca6cd-e2e6-4782-8ca6-e10197058471  Duration: 20236.86 ms   Billed Duration: 20300 ms   Memory Size: 512 MB Max Memory Used: 62 MB  Init Duration: 303.13 ms    

source 'https://rubygems.org'
gem 'selenium-webdriver'