#    Copyright 2016 Midokura, SARL.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
notice('MODULAR: midonet-edge-router-setup-bgp-gw.pp')

include ::stdlib
# Extract data from hiera
$access_data           = hiera_hash('access')
$management_address    = hiera('management_vip')
$keystone_admin_tenant = $access_data['tenant']
$net_metadata          = hiera_hash('network_metadata')
$gw_hash               = get_nodes_hash_by_roles($net_metadata, ['midonet-gw'])
$gw_keys               = keys($gw_hash)
$neutron_settings      = hiera('neutron_config')
$external_net_name     = $neutron_settings['default_floating_net']
$tenant_net_name       = $neutron_settings['default_private_net']
$predefined_nets       = $neutron_settings['predefined_networks']
$tenant_net            = $predefined_nets[$tenant_net_name]
$external_net          = $predefined_nets[$external_net_name]

$username         = $access_data['user']
$password         = $access_data['password']
$tenant_name      = $access_data['tenant']

# Plugin settings data (overrides $external_net l3 values)
$midonet_settings                = hiera_hash('midonet')
$tz_type                         = $midonet_settings['tunnel_type']
$floating_range_start            = $midonet_settings['floating_ip_range_start']
$floating_range_end              = $midonet_settings['floating_ip_range_end']
$floating_cidr                   = $midonet_settings['floating_cidr']
$floating_gateway_ip             = $midonet_settings['gateway']
$bgp_local_as                    = $midonet_settings['bgp_local_as']
$bgp_neighbors                   = $midonet_settings['bgp_neighbors']

$edge_router = 'edge-router'

$allocation_pools = "start=${floating_range_start},end=${floating_range_end}"

# Create one subnet per each network used.
$myhostname = $::fqdn

$ports_to_bind = generate_router_interfaces_list($bgp_neighbors)

package { 'python-neutronclient':
  ensure => latest
} ->

file { 'create router interfaces script':
  ensure  => present,
  path    => '/tmp/create_router_interfaces.sh',
  content => template('/etc/fuel/plugins/midonet-9.2/puppet/templates/create_router_interfaces.sh.erb'),
} ->

# Finally, execute the script
exec { 'run create router interfaces script':
  command => '/bin/bash -x /tmp/create_router_interfaces.sh 2>&1 | tee /tmp/ri-create.out',
  returns => ['0', '7'],
} ->

midonet_gateway_bgp { 'edge-router':
  ensure                  => present,
  bgp_local_as_number     => $bgp_local_as,
  username                => $username,
  password                => $password,
  tenant_name             => $tenant_name,
  midonet_api_url         => "http://${management_address}:8181/midonet-api",
  bgp_advertised_networks => $floating_cidr,
  bgp_neighbors           => generate_bgp_neighbors_for_gateway_bgp($bgp_neighbors)
}