class Object

Public Instance Methods

as(who) { || ... } click to toggle source

Code taken from github.com/capistrano/sshkit/blob/v1.16.0/lib/sshkit/backends/abstract.rb#L98-L116 Copyright © 2008- Lee Hambley & Contributors License link: github.com/capistrano/sshkit/blob/v1.16.0/LICENSE.md

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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

# File lib/hacks/ssh_kit.rb, line 28
  def as(who, &_block)
    if who.is_a? Hash
      @user  = who[:user]  || who["user"]
      @group = who[:group] || who["group"]
    else
      @user  = who
      @group = nil
    end

    execute_args = {verbosity: Logger::DEBUG}
    old_pty = ::SSHKit::Backend::Netssh.config.pty
    begin
      if Runbook.configuration.enable_sudo_prompt
        execute_args[:interaction_handler] ||= ::SSHKit::Sudo::InteractionHandler.new
        ::SSHKit::Backend::Netssh.config.pty = true
      end
      execute <<-EOTEST, execute_args
        if ! sudo -u #{@user} whoami > /dev/null
          then echo "You cannot switch to user '#{@user}' using sudo, please check the sudoers file" 1>&2
          false
        fi
      EOTEST
      yield
    ensure
      ::SSHKit::Backend::Netssh.config.pty = old_pty
    end
  ensure
    remove_instance_variable(:@user)
    remove_instance_variable(:@group)
  end