Option 'sudo: true' doesn't work on CentOS 7, 8 and ubuntu devel 20.04

[diodonfrost]

Versions:

• kitchen-docker 2.9.0
• kitchen-inspec 1.3.1
• test-kitchen 2.3.4

Environments:

CentOS 7, CentOS 8 and Ubuntu devel 20.04

Scenario:

Kitchen-inspec crash on Centos 7, Centos 8 and Ubuntu devel 20.04 when sudo option is set on true

Steps to Reproduce:

Content of Inspec test file test_spec.rb:

control 'test-01' do
  impact 1.0
  title 'Sample test'
  desc 'Sample test file'
  describe file('/tmp') do
    it { should be_directory }
  end
end

Content of Kitchen-ci file .kitchen.yml:

---
driver:
  name: docker

platforms:
  - name: centos-8
    driver:
      image: centos:8
      platform: centos

verifier:
  name: inspec
  sudo: true
  inspec_tests:
    - path: test_spec.rb

suites:
  - name: default

Expected Result:

  ✔  test-01: Sample test
     ✔  File /tmp should be directory

Actual Result:

-----> Verifying <default-centos-8>...
>>>>>> ------Exception-------
>>>>>> Class: Kitchen::ActionFailed
>>>>>> Message: 1 actions failed.
>>>>>>     Failed to complete #verify action: [Sudo failed: usage: sudo -h | -K | -k | -V
usage: sudo -v [-AknS] [-g group] [-h host] [-p prompt] [-u user]
usage: sudo -l [-AknS] [-g group] [-h host] [-p prompt] [-U user] [-u user]
            [command]
usage: sudo [-AbEHknPS] [-r role] [-t type] [-C num] [-g group] [-h host] [-p
            prompt] [-T timeout] [-u user] [VAR=value] [-i|-s] [<command>]
usage: sudo -e [-AknS] [-r role] [-t type] [-C num] [-g group] [-h host] [-p
            prompt] [-T timeout] [-u user] file ...
 ] on default-centos-8
>>>>>> ----------------------
>>>>>> Please see .kitchen/logs/kitchen.log for more details
>>>>>> Also try running `kitchen diagnose --all` for configuration

This error does not occur when sudo option is set to false

[Afterglow]

This seems to be caused by an issue in train not in kitchen-inspec directly see inspec/train#548

[diodonfrost]

Indeed you're right,

I fixed this problem by using gem train 3.1.8

Thanks a lot