Class: AvstCloud::SshTask

Inherits:
Task
  • Object
show all
Defined in:
lib/avst-cloud/task.rb

Direct Known Subclasses

DisableRequireTty, SshCommandTask, WaitUntilReady

Instance Method Summary collapse

Methods inherited from Task

#initialize

Methods included from Logging

included, logger, #logger, logger=, mask_message, show_passwords=

Constructor Details

This class inherits a constructor from AvstCloud::Task

Instance Method Details

#execute(server) ⇒ Object 



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# File 'lib/avst-cloud/task.rb', line 29

def execute(server)
    unless server.ip_address
        logger.error 'Can not find host'.red
        raise 'Can not find ip address, access_user or access_password'
    end

    unless server.access_user
        logger.error 'Access user not found. Please provide username for this server.'.red
        raise 'Access user not found. Please provide username for this server.'
    end

    unless server.access_password
        logger.error 'Password not found. Please provide password or pem key for this server.'.red
        raise 'Password not found. Please provide root_password in config. for this server.'
    end

    logger.debug "Using #{server.access_user}@#{server.ip_address} with #{Logging.mask_message(server.access_password)} to perform ssh task."
    attempts = 1
    success = false
    max_attempts = 50
    while attempts < max_attempts and !success
        begin
            Net::SSH.start(server.ip_address, server.access_user, :password => server.access_password, :keys => [server.access_password]) do |session|
                ssh_command session
            end
            success = true
        rescue Net::SSH::AuthenticationFailed, Errno::ECONNREFUSED, Errno::ETIMEDOUT, Net::SSH::ConnectionTimeout, Timeout::Error => e
            logger.debug "Connection refused, timeout or authentication failed. Server may not have booted yet. Sleeping #{attempts}/#{max_attempts}: #{e.inspect}"
            sleep(10)
            attempts=attempts+1
        end
    end
    unless success
        logger.error 'Bootstrapping: failed to find server to connect to'
        raise 'Bootstrapping: failed to find server to connect to'
    end
end

#ssh_command(session) ⇒ Object 



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# File 'lib/avst-cloud/task.rb', line 67

def ssh_command(session)
    raise 'Unimplemented...'
end