# Copyright 2014 Red Hat, Inc.
# All Rights Reserved.
#
# 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.

include ::tripleo::packages
include ::tripleo::firewall

$enable_load_balancer = hiera('enable_load_balancer', true)

if hiera('step') >= 1 {

  create_resources(kmod::load, hiera('kernel_modules'), {})
  create_resources(sysctl::value, hiera('sysctl_settings'), {})
  Exec <| tag == 'kmod::load' |>  -> Sysctl <| |>

}

if hiera('step') >= 2 {

  # MongoDB
  if downcase(hiera('ceilometer_backend')) == 'mongodb' {
    # NOTE(gfidente): We need to pass the list of IPv6 addresses *with* port and
    # without the brackets as 'members' argument for the 'mongodb_replset'
    # resource.
    if str2bool(hiera('mongodb::server::ipv6', false)) {
      $mongo_node_ips_with_port_prefixed = prefix(hiera('mongo_node_ips'), '[')
      $mongo_node_ips_with_port = suffix($mongo_node_ips_with_port_prefixed, ']:27017')
      $mongo_node_ips_with_port_nobr = suffix(hiera('mongo_node_ips'), ':27017')
    } else {
      $mongo_node_ips_with_port = suffix(hiera('mongo_node_ips'), ':27017')
      $mongo_node_ips_with_port_nobr = suffix(hiera('mongo_node_ips'), ':27017')
    }
    $mongo_node_string = join($mongo_node_ips_with_port, ',')

    $mongodb_replset = hiera('mongodb::server::replset')
    $ceilometer_mongodb_conn_string = "mongodb://${mongo_node_string}/ceilometer?replicaSet=${mongodb_replset}"
  }

  if str2bool(hiera('enable_galera', true)) {
    $mysql_config_file = '/etc/my.cnf.d/galera.cnf'
  } else {
    $mysql_config_file = '/etc/my.cnf.d/server.cnf'
  }
  # TODO Galara
  # FIXME: due to https://bugzilla.redhat.com/show_bug.cgi?id=1298671 we
  # set bind-address to a hostname instead of an ip address; to move Mysql
  # from internal_api on another network we'll have to customize both
  # MysqlNetwork and ControllerHostnameResolveNetwork in ServiceNetMap
  class { '::mysql::server':
    config_file             => $mysql_config_file,
    override_options        => {
      'mysqld' => {
        'bind-address'     => $::hostname,
        'max_connections'  => hiera('mysql_max_connections'),
        'open_files_limit' => '-1',
      },
    },
    remove_default_accounts => true,
  }

  # FIXME: this should only occur on the bootstrap host (ditto for db syncs)
  # Create all the database schemas
  if downcase(hiera('gnocchi_indexer_backend')) == 'mysql' {
    include ::gnocchi::db::mysql
  }
  if downcase(hiera('ceilometer_backend')) == 'mysql' {
    include ::ceilometer::db::mysql
  }
  include ::aodh::db::mysql

  $enable_ceph = hiera('ceph_storage_count', 0) > 0 or hiera('enable_ceph_storage', false)

  if $enable_ceph {
    $mon_initial_members = downcase(hiera('ceph_mon_initial_members'))
    if str2bool(hiera('ceph_ipv6', false)) {
      $mon_host = hiera('ceph_mon_host_v6')
    } else {
      $mon_host = hiera('ceph_mon_host')
    }
    class { '::ceph::profile::params':
      mon_initial_members => $mon_initial_members,
      mon_host            => $mon_host,
    }
    include ::ceph::conf
    include ::ceph::profile::mon
  }

  if str2bool(hiera('enable_ceph_storage', false)) {
    if str2bool(hiera('ceph_osd_selinux_permissive', true)) {
      exec { 'set selinux to permissive on boot':
        command => "sed -ie 's/^SELINUX=.*/SELINUX=permissive/' /etc/selinux/config",
        onlyif  => "test -f /etc/selinux/config && ! grep '^SELINUX=permissive' /etc/selinux/config",
        path    => ['/usr/bin', '/usr/sbin'],
      }

      exec { 'set selinux to permissive':
        command => 'setenforce 0',
        onlyif  => "which setenforce && getenforce | grep -i 'enforcing'",
        path    => ['/usr/bin', '/usr/sbin'],
      } -> Class['ceph::profile::osd']
    }

    include ::ceph::conf
    include ::ceph::profile::osd
  }

  if str2bool(hiera('enable_external_ceph', false)) {
    if str2bool(hiera('ceph_ipv6', false)) {
      $mon_host = hiera('ceph_mon_host_v6')
    } else {
      $mon_host = hiera('ceph_mon_host')
    }
    class { '::ceph::profile::params':
      mon_host            => $mon_host,
    }
    include ::ceph::conf
    include ::ceph::profile::client
  }

} #END STEP 2

if hiera('step') >= 4 {

  $nova_ipv6 = hiera('nova::use_ipv6', false)
  if $nova_ipv6 {
    $memcached_servers = suffix(hiera('memcache_node_ips_v6'), ':11211')
  } else {
    $memcached_servers = suffix(hiera('memcache_node_ips'), ':11211')
  }

  class { '::nova' :
    memcached_servers => $memcached_servers
  }
  include ::nova::config

  if hiera('neutron::core_plugin') == 'midonet.neutron.plugin_v1.MidonetPluginV2' {

    # TODO(devvesa) provide non-controller ips for these services
    $zookeeper_node_ips = hiera('neutron_api_node_ips')
    $cassandra_node_ips = hiera('neutron_api_node_ips')

    # Run zookeeper in the controller if configured
    if hiera('enable_zookeeper_on_controller') {
      class {'::tripleo::cluster::zookeeper':
        zookeeper_server_ips => $zookeeper_node_ips,
        # TODO: create a 'bind' hiera key for zookeeper
        zookeeper_client_ip  => hiera('neutron::bind_host'),
        zookeeper_hostnames  => hiera('controller_node_names')
      }
    }

    # Run cassandra in the controller if configured
    if hiera('enable_cassandra_on_controller') {
      class {'::tripleo::cluster::cassandra':
        cassandra_servers => $cassandra_node_ips,
        # TODO: create a 'bind' hiera key for cassandra
        cassandra_ip      => hiera('neutron::bind_host'),
      }
    }

    class {'::tripleo::network::midonet::agent':
      zookeeper_servers => $zookeeper_node_ips,
      cassandra_seeds   => $cassandra_node_ips
    }

    class {'::tripleo::network::midonet::api':
      zookeeper_servers    => $zookeeper_node_ips,
      vip                  => hiera('public_virtual_ip'),
      keystone_ip          => hiera('public_virtual_ip'),
      keystone_admin_token => hiera('keystone::admin_token'),
      # TODO: create a 'bind' hiera key for api
      bind_address         => hiera('neutron::bind_host'),
      admin_password       => hiera('admin_password')
    }

    # TODO: find a way to get an empty list from hiera
    # TODO: when doing the composable midonet plugin, don't forget to
    # set service_plugins to an empty array in Hiera.
    class {'::neutron':
      service_plugins => []
    }

  }

  # If the value of core plugin is set to 'midonet',
  # skip all the ML2 configuration
  if hiera('neutron::core_plugin') == 'midonet.neutron.plugin_v1.MidonetPluginV2' {

    class {'::neutron::plugins::midonet':
      midonet_api_ip    => hiera('public_virtual_ip'),
      keystone_tenant   => hiera('neutron::server::auth_tenant'),
      keystone_password => hiera('neutron::server::password')
    }
  }

  if $enable_ceph {
    $ceph_pools = hiera('ceph_pools')
    ceph::pool { $ceph_pools :
      pg_num  => hiera('ceph::profile::params::osd_pool_default_pg_num'),
      pgp_num => hiera('ceph::profile::params::osd_pool_default_pgp_num'),
      size    => hiera('ceph::profile::params::osd_pool_default_size'),
    }
  }

  # Ceilometer
  $ceilometer_backend = downcase(hiera('ceilometer_backend'))
  case $ceilometer_backend {
    /mysql/ : {
      $ceilometer_database_connection = hiera('ceilometer_mysql_conn_string')
    }
    default : {
      $ceilometer_database_connection = $ceilometer_mongodb_conn_string
    }
  }
  include ::ceilometer
  include ::ceilometer::config
  include ::ceilometer::api
  include ::ceilometer::agent::notification
  include ::ceilometer::agent::central
  include ::ceilometer::expirer
  include ::ceilometer::collector
  include ::ceilometer::agent::auth
  include ::ceilometer::dispatcher::gnocchi
  class { '::ceilometer::db' :
    database_connection => $ceilometer_database_connection,
  }

  Cron <| title == 'ceilometer-expirer' |> { command => "sleep $((\$(od -A n -t d -N 3 /dev/urandom) % 86400)) && ${::ceilometer::params::expirer_command}" }

  # Aodh
  class { '::aodh' :
    database_connection => hiera('aodh_mysql_conn_string'),
  }
  include ::aodh::db::sync
  include ::aodh::auth
  include ::aodh::api
  include ::aodh::wsgi::apache
  include ::aodh::evaluator
  include ::aodh::notifier
  include ::aodh::listener
  include ::aodh::client

  # Horizon
  include ::apache::mod::remoteip
  if 'cisco_n1kv' in hiera('neutron::plugins::ml2::mechanism_drivers') {
    $_profile_support = 'cisco'
  } else {
    $_profile_support = 'None'
  }
  $neutron_options   = {'profile_support' => $_profile_support }

  $memcached_ipv6 = hiera('memcached_ipv6', false)
  if $memcached_ipv6 {
    $horizon_memcached_servers = hiera('memcache_node_ips_v6', '[::1]')
  } else {
    $horizon_memcached_servers = hiera('memcache_node_ips', '127.0.0.1')
  }

  class { '::horizon':
    cache_server_ip => $horizon_memcached_servers,
    neutron_options => $neutron_options,
  }

  # Gnocchi
  $gnocchi_database_connection = hiera('gnocchi_mysql_conn_string')
  class { '::gnocchi':
    database_connection => $gnocchi_database_connection,
  }
  include ::gnocchi::api
  include ::gnocchi::wsgi::apache
  include ::gnocchi::client
  include ::gnocchi::db::sync
  include ::gnocchi::storage
  include ::gnocchi::metricd
  include ::gnocchi::statsd
  $gnocchi_backend = downcase(hiera('gnocchi_backend', 'swift'))
  case $gnocchi_backend {
      'swift': { include ::gnocchi::storage::swift }
      'file': { include ::gnocchi::storage::file }
      'rbd': { include ::gnocchi::storage::ceph }
      default: { fail('Unrecognized gnocchi_backend parameter.') }
  }

  hiera_include('controller_classes')

} #END STEP 4

if hiera('step') >= 5 {
  $nova_enable_db_purge = hiera('nova_enable_db_purge', true)

  if $nova_enable_db_purge {
    include ::nova::cron::archive_deleted_rows
  }
} #END STEP 5

$package_manifest_name = join(['/var/lib/tripleo/installed-packages/overcloud_controller', hiera('step')])
package_manifest{$package_manifest_name: ensure => present}