taremail.rb

#!/usr/bin/env ruby 
point = Time.now.strftime("%Y%m%d%H")
backpath="/backup/dbback/"
path="/tmp/"+point
fpath=backpath+point+".tar.gz"
`mkdir -p #{path}`
`mongodump --out #{path} --quiet`  
`tar -C /tmp -czvf #{fpath} #{point}`

require 'mail'
smtp = { :address => 'smtp.163.com', :port => 25, :domain => '163.com', \
  :user_name => '[email protected]', :password => 'xxxx',\
  :enable_starttls_auto => true, :openssl_verify_mode => 'none' }
Mail.defaults { delivery_method :smtp, smtp }
mail = Mail.new do
  from '[email protected]'
  to '[email protected]'
  subject point+" Backup is Over"
  body 'backup is over.'
  add_file File.expand_path(fpath)
end
mail.deliver!