Add additional Docker provisioner OS support

- Add EL 9 support
- Add SLES support

tasks/docker.rb

@@ -28,6 +28,11 @@ def install_ssh_components(distro, version, container)
  'yum clean all; '\
  'yum install -y sudo openssh-server openssh-clients"')
  else
+ # If systemd is running for init, ensure systemd has finished starting up before proceeding:
+ check_init_cmd = 'if [[ "$(readlink /proc/1/exe)" == "/usr/lib/systemd/systemd" ]]; then '\
+ 'count=0 ; while ! [[ "$(systemctl is-system-running)" =~ ^running|degraded$ && $count > 20 ]]; '\
+ 'do sleep 0.1 ; count=$((count+1)) ; done ; fi'
+ run_local_command("docker exec #{container} bash -c '#{check_init_cmd}'")
  run_local_command("docker exec #{container} yum install -y sudo openssh-server openssh-clients")
  end
  ssh_folder = run_local_command("docker exec #{container} ls /etc/ssh/")
@@ -68,11 +73,13 @@ def fix_ssh(distro, version, container)
  # https://bugzilla.redhat.com/show_bug.cgi?id=1728777
  run_local_command("docker exec #{container} sed 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so@g' -i /etc/pam.d/sshd") if distro =~ %r{redhat|centos} && version =~ %r{^7}
 
- if !%r{^(7|8|2)}.match?(version)
+ if !%r{^(7|8|9|2)}.match?(version)
  run_local_command("docker exec #{container} service sshd restart")
  else
  run_local_command("docker exec #{container} /usr/sbin/sshd")
  end
+ when %r{sles}
+ run_local_command("docker exec #{container} /usr/sbin/sshd")
  else
  raise "distribution #{distro} not yet supported on docker"
  end