class Bakist::Remote

Attributes

connection[W]
exitstatus[R]
host[R]
key[R]
stderr[R]
stdout[R]
timeout[R]
user[R]

Public Class Methods

from_uri(uri, key = "~/.ssh/id_rsa") click to toggle source
# File lib/bakist/remote.rb, line 12
def self.from_uri(uri, key = "~/.ssh/id_rsa")
  parsed = URI.parse("ssh://#{uri}")
  new(parsed.user || Etc.getlogin, parsed.host, key)
end
new(user, host, key, options = {}) click to toggle source
# File lib/bakist/remote.rb, line 17
def initialize(user, host, key, options = {})
  @user = user
  @host = host
  @key = File.expand_path(key)
  @timeout = options[:timeout] || 10000
end

Public Instance Methods

backtick(command) click to toggle source
# File lib/bakist/remote.rb, line 24
def backtick(command)
  @stdout = ""
  @stderr = ""
  exec(command)
  @stdout
end
system(command) click to toggle source
# File lib/bakist/remote.rb, line 31
def system(command)
  @stdout = STDOUT
  @stderr = STDERR
  exec(command)
  exitstatus
end
system!(*command) click to toggle source
# File lib/bakist/remote.rb, line 38
def system!(*command)
  system(*command).tap do |status|
    raise RemoteError.new("#{command.join(" ")} exited #{status}") unless status == 0
  end
end
upload(from, to, opts = "--exclude .git") click to toggle source
# File lib/bakist/remote.rb, line 44
def upload(from, to, opts = "--exclude .git")
  Kernel.system("rsync -e 'ssh -i #{key}' -avz --delete #{from} #{user}@#{host}:#{to} #{opts}")
end

Private Instance Methods

connection() click to toggle source
# File lib/bakist/remote.rb, line 49
def connection
  @connection ||= Net::SSH.start(host, user, :keys => [key], :timeout => timeout)
end
exec(*command) click to toggle source
# File lib/bakist/remote.rb, line 53
def exec(*command)
  connection.open_channel do |channel|
    channel.exec(*command) do |stream, success|
      raise RemoteError.new("Could not run #{command.join(" ")}") unless success
      stream.on_data { |_, data| stdout << data }
      stream.on_extended_data { |_, type, data| stderr << data }
      stream.on_request("exit-status") { |_, data| @exitstatus = data.read_long }
    end
  end
  connection.loop
  @exitstatus ||= 0
end