Class: Oxidized::SSH

Inherits:
Input
  • Object
show all
Includes:
Input::CLI
Defined in:
lib/oxidized/input/ssh.rb

Defined Under Namespace

Classes: NoShell

Constant Summary collapse

RescueFail = 
{
  :debug => [
    Net::SSH::Disconnect,
  ],
  :warn => [
    RuntimeError,
    Net::SSH::AuthenticationFailed,
  ],
}

Instance Attribute Summary

Attributes included from Input::CLI

#node

Instance Method Summary collapse

Methods included from Input::CLI

#connect_cli, #disconnect_cli, #get, #initialize, #login, #password, #post_login, #pre_logout, #username

Methods included from Config::Vars

#vars

Instance Method Details

#cmd(cmd, expect = node.prompt) ⇒ Object 



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# File 'lib/oxidized/input/ssh.rb', line 69

def cmd cmd, expect = node.prompt
  Oxidized.logger.debug "lib/oxidized/input/ssh.rb #{cmd} @ #{node.name} with expect: #{expect.inspect}"
  if @exec
    @ssh.exec! cmd
  else
    cmd_shell(cmd, expect).gsub(/\r\n/, "\n")
  end
end

#connect(node) ⇒ Object 



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# File 'lib/oxidized/input/ssh.rb', line 19

def connect node
  @node        = node
  @output      = ''
  @pty_options = { term: "vt100" }
  @node.model.cfg['ssh'].each { |cb| instance_exec(&cb) }
  secure = Oxidized.config.input.ssh.secure
  @log = File.open(Oxidized::Config::Log + "/#{@node.ip}-ssh", 'w') if Oxidized.config.input.debug?
  port = vars(:ssh_port) || 22

  ssh_opts = {
    port:         port.to_i,
    paranoid:     secure,
    keepalive:    true,
    password:     @node.auth[:password], :timeout => Oxidized.config.timeout,
    number_of_password_prompts: 0,
  }

  auth_methods = vars(:auth_methods) || %w(none publickey password)
  ssh_opts[:auth_methods] = auth_methods
  Oxidized.logger.debug "AUTH METHODS::#{auth_methods}"

  if proxy_host = vars(:ssh_proxy)
    proxy_command =  "ssh "
    proxy_command += "-o StrictHostKeyChecking=no " unless secure
    proxy_command += "#{proxy_host} -W %h:%p"
    proxy = Net::SSH::Proxy::Command.new(proxy_command)
    ssh_opts[:proxy] = proxy
  end

  ssh_opts[:keys] = vars(:ssh_keys).is_a?(Array) ? vars(:ssh_keys) : [vars(:ssh_keys)] if vars(:ssh_keys)
  ssh_opts[:kex]  = vars(:ssh_kex).split(/,\s*/) if vars(:ssh_kex)
  ssh_opts[:encryption] = vars(:ssh_encryption).split(/,\s*/) if vars(:ssh_encryption)

  Oxidized.logger.debug "lib/oxidized/input/ssh.rb: Connecting to #{@node.name}"
  @ssh = Net::SSH.start(@node.ip, @node.auth[:username], ssh_opts)
  unless @exec
    shell_open @ssh
    begin
      
    rescue Timeout::Error
      raise PromptUndetect, [@output, 'not matching configured prompt', @node.prompt].join(' ')
    end
  end
  connected?
end

#connected? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/oxidized/input/ssh.rb', line 65

def connected?
  @ssh and not @ssh.closed?
end

#output ⇒ Object 



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# File 'lib/oxidized/input/ssh.rb', line 82

def output
  @output
end

#pty_options(hash) ⇒ Object 



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# File 'lib/oxidized/input/ssh.rb', line 86

def pty_options hash
  @pty_options = @pty_options.merge hash
end

#send(data) ⇒ Object 



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# File 'lib/oxidized/input/ssh.rb', line 78

def send data
  @ses.send_data data
end