Class: Util

Inherits:
Object
  • Object
show all
Defined in:
lib/util.rb

Class Method Summary collapse

Class Method Details

.close_ssh_session(session) ⇒ Object 



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# File 'lib/util.rb', line 21

def self.close_ssh_session session
  session.close
end

.retryable(options = {}) ⇒ Object 



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# File 'lib/util.rb', line 37

def self.retryable options = {}
  opts = { :tries => 1, :on => Exception }.merge(options)
  retry_exception, retries = opts[:on], opts[:tries]
  begin
    return yield
  rescue retry_exception
    if (retries -= 1) > 0
      sleep 2
      retry 
    else
      raise
    end
  end
end

.run(session, cmd) ⇒ Object 



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# File 'lib/util.rb', line 25

def self.run session, cmd
  result = "NA"
  begin
    Timeout::timeout(30) do
      result = session.exec!(cmd)
    end
  rescue Exception => e
    raise e.message
  end
  result
end

.start_ssh_session(config) ⇒ Object 



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# File 'lib/util.rb', line 5

def self.start_ssh_session config
  session = nil
  host = config[:host]
  user = config[:user]
  params = {
            :password => config[:password], 
            :port => config[:port]
          }
  retryable(:tries => config[:retries] || 10) do
    Timeout::timeout(config[:timeout] || 10 ) do
      session = Net::SSH.start(host, user, params)
    end
  end
  session
end