Method: CloudFlock::App::Common#connect_host

Defined in:
lib/cloudflock/app/common/servers.rb

#connect_host(host, define_method) ⇒ Object

Public: Attempt to log in to a target host.

host - Hash containing any applicable options mappings for the

server in question.

define_method - Name of the method to call when re-defining host to

recover from an exception.

Returns a CloudFlock::Remote::SSH object logged in to the target host.



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# File 'lib/cloudflock/app/common/servers.rb', line 124

def connect_host(host, define_method)
  UI.("Logging in to #{host[:hostname]}") do
    SSH.new(host)
  end
rescue CloudFlock::Remote::SSH::InvalidHostname => e
  error = "Cannot look up #{host[:hostname]}"
  retry_exit(e.message, 'Try another host? (Y/N)')

  host = self.send(define_method, (host.merge({hostname: nil})))
  retry
rescue CloudFlock::Remote::SSH::SSHCannotConnect => e
  retry if retry_prompt(e.message)
  retry_exit('', 'Try another host? (Y/N)')

  host = self.send(define_method, (host.merge({hostname: nil})))
  retry
rescue Net::SSH::AuthenticationFailed => e
  retry_exit("Cannot log in as #{host[:username]}.")

  options = {username: nil, password: nil}
  host = self.send(define_method, (host.merge(options)))
  retry
rescue Errno::ECONNREFUSED
  retry_exit("Connection refused from #{host[:hostname]}")
  retry
end