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SSHKit extension, for sudo operation with password input. It can be used in Capistrano 3 tasks.

License: MIT License

Ruby 100.00%

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robd bytedecoder graaff prista1 cfis workinggrouplink ticketsolve 64kramsystem

sshkit-sudo's Issues

Multiple Servers

If you deploy to multiple servers that require typing in a password, all the prompts get concatenated together and you end up only being able to respond to one of them (this is true even if its the same password for each server). The code that requests passwords should be protected by a mutex so you can handle each server one at a time.

capture_sudo support

I was wondering if it might be possible to implement a capture_sudo method?

I have monkey patched this as follows:

module SSHKit
  module Backend
    class Netssh < Printer
      def capture_sudo(*args)
        result = _execute!(:sudo, *args)
        result.full_stdout.sub(%r{^\[sudo\] password for .*\r\n}, '')
      end
    end
  end
end

This is quite an unpleasant implementation, but it seems to work. Is there a better way of supporting this?

Not waiting for input

Trying to use this with sshkit 1.8.1. It prompts for the sudo password but then immediately goes to new line.

Support for 'as' method

I was wondering if it would be possible to support calls to the as() method?

For some reason I couldn't work out, when execute is called, it does not call the patched _execute! method, it calls the original one, which hangs waiting for input.

I couldn't understand the class hierarchy, but is something that could be fixed?

Permission denied

my task looks like this:

  desc 'initialize certbot / letsencrypt for cloudflare'
  task :init do
    on roles(:app), in: :sequence do
      execute! :sudo, :touch, '/etc/letsencrypt/cloudflare.ini'
      execute! :sudo, :chmod, '600 /etc/letsencrypt/cloudflare.ini'
      # also tried execute! :sudo, :printf,..... 
      sudo :printf, "'dns_cloudflare_email = [email protected]\ndns_cloudflare_api_key = #{fetch(:cloudflare_api_key)}' > /etc/letsencrypt/cloudflare.ini"
    end
  end

Creating files works, but as I try to write into it, it stops.
Also tried printf without touching first
But I always get this error:


 04 sudo printf 'dns_cloudflare_email = [email protected]
dns_cloudflare_api_key = 123456789890…
      04 bash: /etc/letsencrypt/cloudflare.ini: Permission denied
cap aborted!
SSHKit::Runner::ExecuteError: Exception while executing as [email protected]: sudo exit status: 1
sudo stdout: bash: /etc/letsencrypt/cloudflare.ini: Permission denied
sudo stderr: Nothing written
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-1.14.0/lib/sshkit/runners/parallel.rb:15:in `rescue in block (2 levels) in execute'
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-1.14.0/lib/sshkit/runners/parallel.rb:11:in `block (2 levels) in execute'
SSHKit::Command::Failed: sudo exit status: 1
sudo stdout: bash: /etc/letsencrypt/cloudflare.ini: Permission denied
sudo stderr: Nothing written
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-1.14.0/lib/sshkit/command.rb:99:in `exit_status='
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-sudo-0.1.0/lib/sshkit/sudo/backends/netssh.rb:50:in `execute_command!'
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-sudo-0.1.0/lib/sshkit/sudo/backends/abstract.rb:21:in `block in create_command_and_execute!'
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-sudo-0.1.0/lib/sshkit/sudo/backends/abstract.rb:21:in `tap'
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-sudo-0.1.0/lib/sshkit/sudo/backends/abstract.rb:21:in `create_command_and_execute!'
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-sudo-0.1.0/lib/sshkit/sudo/backends/abstract.rb:12:in `execute!'
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-sudo-0.1.0/lib/sshkit/sudo/backends/abstract.rb:6:in `sudo'
config/deploy.rb:105:in `block (3 levels) in <top (required)>'
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-1.14.0/lib/sshkit/backends/abstract.rb:29:in `instance_exec'
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-1.14.0/lib/sshkit/backends/abstract.rb:29:in `run'
/Users/jan/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/sshkit-1.14.0/lib/sshkit/runners/parallel.rb:12:in `block (2 levels) in execute'
Tasks: TOP => letsencrypt:init

Did I miss something?

TypeError: superclass mismatch for class Netssh

In my Gemfile
gem 'capistrano', '3.4.0'
gem 'sshkit-sudo', github: 'kentaroi/sshkit-sudo'

In Capfile
require 'sshkit/sudo'

bundle exec cap -T results in
TypeError: superclass mismatch for class Netssh in require

undefined method `noecho' for #<IO:<STDIN>>

I'd encountered this error and resolved require 'io/console'.
Do this gem need io/console?
I suppose It should be wrotten in README.
Or is it a common knowledge in ruby?

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