# == Class ovsdpdk::install_ovs_dpdk
#
# Installs ovs-dpdk service together with it's configuration file
# it also deploys qemu-kvm wrapper responsible for enabling some vhostforce
# options and setting huge pages into shared mode
#
class ovsdpdk::install_ovs_dpdk (
  $networking_ovs_dpdk_dir          = $::ovsdpdk::params::networking_ovs_dpdk_dir,
  $plugin_dir                       = $::ovsdpdk::params::plugin_dir,
  $openvswitch_service_file         = $::ovsdpdk::params::openvswitch_service_file,
  $openvswitch_service_path         = $::ovsdpdk::params::openvswitch_service_path,
  $qemu_kvm                         = $::ovsdpdk::params::qemu_kvm,
) inherits ovsdpdk {
  require ovsdpdk::build_ovs_dpdk

  if $compute == 'True' {
	  exec {'create_ovs_dpdk':
	    command => "mv /etc/init.d/openvswitch-switch /tmp/openvswitch-switch.bak;cp ${networking_ovs_dpdk_dir}/devstack/ovs-dpdk/ovs-dpdk-init /etc/init.d/openvswitch-switch;chmod +x /etc/init.d/openvswitch-switch; ln -sf /etc/init.d/openvswitch-switch /etc/init.d/ovs-dpdk; cp /etc/openvswitch/conf.db /etc/openvswitch/conf.db.pre_dpdk",
	    user    => root,
	    path    => ['/usr/bin','/bin'],
	  }

	  file {'/etc/default/ovs-dpdk': content => template("${plugin_dir}/files/ovs-dpdk-conf.erb"), mode => '0644' }

	  exec {'adapt_conf_file':
	    command => "${plugin_dir}/files/tune_params.sh",
	    user    => root,
	    require => File['/etc/default/ovs-dpdk'],
	  }

#	  exec { 'update ovs service':
#	    command => "cp ${plugin_dir}/files/${openvswitch_service_file} ${openvswitch_service_path}/${openvswitch_service_file}",
#	    path    => ['/usr/bin','/bin'],
#	    user    => root,
#	    onlyif  => "test -f ${openvswitch_service_path}/${openvswitch_service_file}",
#	  }

	  if $::operatingsystem == 'CentOS' {
	    exec { 'systemctl daemon-reload':
	      path    => ['/usr/bin','/bin','/usr/sbin'],
	      user    => root,
	      require => Exec['update ovs service'],
	    }
	  }

	  package {'qemu-kvm': ensure => installed }

	  exec { "cp ${qemu_kvm} ${qemu_kvm}.orig":
	    path    => ['/usr/bin','/bin'],
	    user    => root,
	    onlyif  => "test -f ${qemu_kvm}",
	    require => Package['qemu-kvm'],
	  }

	  exec { "cp ${plugin_dir}/files/kvm-wrapper.sh ${qemu_kvm};chmod +x ${qemu_kvm}":
	    path    => ['/usr/bin','/bin'],
	    user    => root,
	    onlyif  => "test -f ${qemu_kvm}",
	    require => [ Exec["cp ${qemu_kvm} ${qemu_kvm}.orig"], Package['qemu-kvm'] ],
	  }

#exec {'init ovs-dpdk':
#command => '/etc/init.d/ovs-dpdk init',
#user    => root,
#require => [ Exec['create_ovs_dpdk'], File['/etc/default/ovs-dpdk'] ],
#}
  }

  # install mech driver
  exec {'install mech driver':
    command => 'python setup.py install',
    path    => ['/usr/bin','/bin'],
    cwd     => "${networking_ovs_dpdk_dir}",
    user    => root,
  }
}