eb_deployer.rake

namespace :eb do
  def eb_deployer_env
    ENV["EB_DEPLOYER_ENV"] || "dev"
  end

  def eb_deployer_package
    git_sha = `git log -n1 | awk '/^commit/ {print $2; exit;}' | cut -c 1-10`.strip
    "tmp/pkg/example_app-#{git_sha}-#{ENV['VERSION_LABEL_SUFFIX']}.zip"
  end

  desc "Remove the package file we generated."
  task :clean do
    sh "rm -rf tmp/pkg"
  end

  desc "Build package for eb_deployer to deploy to a Ruby environment in tmp/pkg directory."
  task :package => [:clean, :environment] do
    sh "mkdir -p tmp/pkg"
    to_exclude = %w(tmp .git coverage .idea .DS_Store).map { |file| "--exclude='*#{file}*'" }.join(' ')
    sh "bundle exec rake assets:precompile"
    sh "zip -9 -r #{to_exclude} '#{eb_deployer_package}'  ."
  end

  desc "Deploy package we built in tmp directory. default to dev environment, specify environment variable EB_DEPLOYER_ENV to override, for example: EB_DEPLOYER_ENV=production rake eb:deploy."
  task :deploy => [:package] do
    sh "eb_deploy --package '#{eb_deployer_package}' --environment #{eb_deployer_env}"
  end

  desc "Destroy Elastic Beanstalk environments. It won't destroy resources defined in eb_deployer.yml. Default to dev environment, specify EB_DEPLOYER_ENV to override."
  task :destroy do
    sh "eb_deploy --destroy --environment #{eb_deployer_env}"
  end
end