Method: CloudFlock::App::Common#ssh_connect

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

#ssh_connect(host, attempts = 5) ⇒ Object

Public: Connect to a host via SSH, automatically retrying a set number of times, and prompting whether to continue trying beyond that.

host - Hash containing information about the host. Defaults are

defined in the CloudFlock::Remote::SSH Class.

attempts - Number of times to retry connecting before alerting the user

to failures and asking whether to continue. (Default: 5)

Returns an SSH Object.



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# File 'lib/cloudflock/app/common/servers.rb', line 388

def ssh_connect(host, attempts = 5)
  attempt = 0

  UI.("Logging in to #{host[:hostname]}") do
    begin
      SSH.new(host)
    rescue Net::SSH::Disconnect
      sleep 10
      attempt += 1
      retry if attempt < 5
    end
  end
rescue Net::SSH::Disconnect
  retry_exit('Unable to establish a connection.')
  retry
rescue Errno::ECONNREFUSED
  retry_exit("Connection refused from #{host[:hostname]}")
  retry
rescue ArgumentError
  retry_exit('Incorrect passphrase provided for ssh key.')

  host.delete(:passphrase)
  check_option_pw(host, :passphrase, "Key passphrase", default_answer: '',
                  allow_empty: true)
end