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, #password, #post_login, #pre_logout, #username

Methods included from Config::Vars

#vars

Instance Method Details

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



62
63
64
65
66
67
68
69
 
# File 'lib/oxidized/input/ssh.rb', line 62

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 



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# 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
  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)
  end
  ssh_opts = {
    :port => port.to_i,
    :password => @node.auth[:password], :timeout => Oxidized.config.timeout,
    :paranoid => secure,
    :auth_methods => %w(none publickey password keyboard-interactive),
    :number_of_password_prompts => 0,
    :proxy => proxy,
  }
  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) 


58
59
60
 
# File 'lib/oxidized/input/ssh.rb', line 58

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

#output ⇒ Object 



75
76
77
 
# File 'lib/oxidized/input/ssh.rb', line 75

def output
  @output
end

#pty_options(hash) ⇒ Object 



79
80
81
 
# File 'lib/oxidized/input/ssh.rb', line 79

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

#send(data) ⇒ Object 



71
72
73
 
# File 'lib/oxidized/input/ssh.rb', line 71

def send data
  @ses.send_data data
end