Class: Kitchen::Transport::Winrm::Connection

Inherits:
Base::Connection show all
Defined in:
lib/kitchen/transport/winrm.rb

Overview

A Connection instance can be generated and re-generated, given new connection details such as connection port, hostname, credentials, etc. This object is responsible for carrying out the actions on the remote host such as executing commands, transferring files, etc.

Author:

Instance Method Summary collapse

Methods inherited from Base::Connection

#execute_with_retry, #retry?

Methods included from Logging

#banner, #debug, #error, #fatal, #info, #warn

Constructor Details

#initialize(config = {}) {|self| ... } ⇒ Connection

Create a new Connection instance.

Parameters:

  • options (Hash) —

    connection options

Yields:

  • (self) —

    yields itself for block-style invocation



86
87
88
89
90
 
# File 'lib/kitchen/transport/winrm.rb', line 86

def initialize(config = {})
  super(config)
  @unelevated_session = nil
  @elevated_session = nil
end

Instance Method Details

#close ⇒ Object

Closes the session connection, if it is still active.



93
94
95
96
97
98
99
100
 
# File 'lib/kitchen/transport/winrm.rb', line 93

def close
  @unelevated_session.close if @unelevated_session
  @elevated_session.close if @elevated_session
ensure
  @unelevated_session = nil
  @elevated_session = nil
  @file_transporter = nil
end

#execute(command) ⇒ Object

Execute a command on the remote host.

Parameters:

  • command (String) —

    command string to execute

Raises:

  • (TransportFailed) —

    if the command does not exit successfully, which may vary by implementation



103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
 
# File 'lib/kitchen/transport/winrm.rb', line 103

def execute(command)
  return if command.nil?
  logger.debug("[WinRM] #{self} (#{command})")

  exit_code, stderr = execute_with_exit_code(command)

  if logger.debug? && exit_code == 0
    log_stderr_on_warn(stderr)
  elsif exit_code != 0
    log_stderr_on_warn(stderr)
    raise Transport::WinrmFailed.new(
      "WinRM exited (#{exit_code}) for command: [#{command}]",
      exit_code
    )
  end
end

#login_command ⇒ LoginCommand

Builds a LoginCommand which can be used to open an interactive session on the remote host.

Returns:

  • (LoginCommand) —

    an object containing the array of command line tokens and exec options to be used in a fork/exec

Raises:



121
122
123
124
125
126
127
128
129
130
131
132
133
 
# File 'lib/kitchen/transport/winrm.rb', line 121

def 
  case RbConfig::CONFIG["host_os"]
  when /darwin/
    
  when /mswin|msys|mingw|cygwin|bccwin|wince|emc/
    
  when /linux/
    
  else
    raise ActionFailed, "Remote login not supported in #{self.class} " \
      "from host OS '#{RbConfig::CONFIG['host_os']}'."
  end
end

#upload(locals, remote) ⇒ Object

Uploads local files or directories to remote host.

Parameters:

  • locals (Array<String>) —

    paths to local files or directories

  • remote (String) —

    path to remote destination

Raises:

  • (TransportFailed) —

    if the files could not all be uploaded successfully, which may vary by implementation



136
137
138
 
# File 'lib/kitchen/transport/winrm.rb', line 136

def upload(locals, remote)
  file_transporter.upload(locals, remote)
end

#wait_until_ready ⇒ Object

Block and return only when the remote host is prepared and ready to execute command and upload files. The semantics and details will vary by implementation, but a round trip through the hosted service is preferred to simply waiting on a socket to become available.



141
142
143
144
145
146
147
148
 
# File 'lib/kitchen/transport/winrm.rb', line 141

def wait_until_ready
  delay = 3
  unelevated_session(
    retry_limit: max_wait_until_ready / delay,
    retry_delay: delay
  )
  execute(PING_COMMAND.dup)
end