Puppet Class: tripleo::profile::base::nova::migration::target

Defined in:
manifests/profile/base/nova/migration/target.pp

Overview

Parameters:

  • step (Any) (defaults to: Integer(hiera('step')))
  • ssh_authorized_keys (Any) (defaults to: [])
  • ssh_localaddrs (Any) (defaults to: [])
  • services_enabled (Any) (defaults to: hiera('service_names', []))
  • wrapper_command (Any) (defaults to: '/bin/nova-migration-wrapper')


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# File 'manifests/profile/base/nova/migration/target.pp', line 45

class tripleo::profile::base::nova::migration::target (
  $step                = Integer(hiera('step')),
  $ssh_authorized_keys = [],
  $ssh_localaddrs      = [],
  $services_enabled    = hiera('service_names', []),
  $wrapper_command     = '/bin/nova-migration-wrapper',
) {

  include tripleo::profile::base::nova::migration

  validate_legacy(Array, 'validate_array', $ssh_localaddrs)

  $ssh_localaddrs.each |$x| {
    validate_legacy(Stdlib::IP::Address, 'validate_ip_address', $x)
  }

  $ssh_localaddrs_real = unique($ssh_localaddrs)
  validate_legacy(Array, 'validate_array', $ssh_authorized_keys)
  $ssh_authorized_keys_real = join($ssh_authorized_keys, '\n')

  if $step >= 4 {
    if !empty($ssh_authorized_keys_real) {
      if ('nova_migration_target' in $services_enabled) {
        if !empty($ssh_localaddrs_real) {
          $allow_type = sprintf('LocalAddress %s User', join($ssh_localaddrs_real,','))
          $deny_type = 'LocalAddress'
          $deny_name = sprintf('!%s', join($ssh_localaddrs_real,',!'))

          ssh::server::match_block { 'nova_migration deny':
            name    => $deny_name,
            type    => $deny_type,
            order   => 2,
            options => {
              'DenyUsers' => 'nova_migration'
            },
            notify  => Service['sshd']
          }
        }
        else {
          $allow_type = 'User'
        }
        $allow_name = 'nova_migration'

        ssh::server::match_block { 'nova_migration allow':
          name    => $allow_name,
          type    => $allow_type,
          order   => 1,
          options => {
            'AllowUsers'             => $allow_name,
            'ForceCommand'           => $wrapper_command,
            'PasswordAuthentication' => 'no',
            'AllowTcpForwarding'     => 'no',
            'X11Forwarding'          => 'no',
            'AuthorizedKeysFile'     => '/etc/nova/migration/authorized_keys'
          },
          notify  => Service['sshd']
        }
        $migration_authorized_keys = $ssh_authorized_keys_real
        $migration_user_shell = '/bin/bash'
      }
      else {
        # Remove the keys and prevent login when migration over SSH is not enabled
        $migration_authorized_keys = '# Migration over SSH disabled by TripleO'
        $migration_user_shell = '/sbin/nologin'
      }
    }
    else {
      # Remove the keys and prevent login when migration over SSH is not enabled
      $migration_authorized_keys = '# Migration over SSH disabled by TripleO'
      $migration_user_shell = '/sbin/nologin'
    }

    file { '/etc/nova/migration/authorized_keys':
      content => $migration_authorized_keys,
      mode    => '0640',
      owner   => 'root',
      group   => 'nova_migration',
      require => Package['openstack-nova-migration']
    }

    user {'nova_migration':
      shell   => $migration_user_shell,
      require => Package['openstack-nova-migration']
    }

    file_line { 'nova_migration_logindefs':
      ensure => present,
      path   => '/etc/login.defs',
      line   => 'UMASK           022',
      match  => '^UMASK',
    }
  }
}