# == Class: midonet::cluster::run
# Check out the midonet::cluster class for a full understanding of
# how to use the cluster resource
#
#
# === Parameters
#
# [*zookeeper_hosts*]
#   List of hash [{ip, port}] Zookeeper instances that run in cluster.
# [*cassandra_servers*]
#   List of IP's / IP:PORT where cassandra servers are running
# [*cassandra_rep_factor*]
#   Cassandra replication factor
# [*keystone_admin_token*]
#   Keystone admin token
# [*keystone_host*]
#   Host where keystone is running
# [*keystone_protocol*]
#   Protocol ( http / https ) to make the keystone requests
#     Default: 'http'
# [*keystone_tenant_name*]
#   Name of the keystone tenant
#     Default: 'admin'
# [*package_ensure*]
#   Ensure 'present', 'absent' ...
#     Default: present
# [*service_name*]
#   Name of the midonet cluster service
#     Default: 'midonet_cluster'
# [*service_ensure*]
#   Ensure 'running' , 'stopped' ... status of service
#     Default: running
# [*service_enable*]
#  Should enable service on startup?
#     Default: true
# [*cluster_config_path*]
#   Path to store the midonet cluster configuration files
#     Default: /etc/midonet/midonet.conf
# [*cluster_jvm_config_path*]
#   Path to store the midonet cluster JVM configuration files
#     Default: /etc/midonet-cluster/midonet-cluster-env.sh
# [*cluster_host*]
#   IP to bind to the midonet cluster service
#     Default: '0.0.0.0'
# [*cluster_port*]
#   Port to bind the midonet cluster service
#     Default: '8181'
# [*keystone_port*]
#   Port where the keystone service is running
#     Default: '35357'
# [*max_heap_size*]
#   Heap size of midonet cluster JVM , . Ex: '1024M'
#     Default: '1024M'
# [*heap_newsize*]
#   Xms heap size value in gb . Ex '512M'
#     Default: '512M'
# [*is_insights*]
#  Whether using MEM Insights or not
#     Default: false
# [*insights_ssl*]
#   Is MEM insights using SSL?
#     Default: undef
# [*analytics_ip*]
#   IP of the Analytics node
#     Default: undef
# === Authors
#
# Midonet (http://midonet.org)
#
# === Copyright
#
# Copyright (c) 2016 Midokura SARL, 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.
#
class midonet::cluster::run (
  $zookeeper_hosts,
  $cassandra_servers,
  $cassandra_rep_factor,
  $keystone_admin_token,
  $keystone_host,
  $keystone_protocol               = 'http',
  $keystone_port                   = '35357',
  $keystone_tenant_name            = 'admin',
  $service_name                    = 'midonet-cluster',
  $service_ensure                  = 'running',
  $service_enable                  = true,
  $cluster_config_path             = '/etc/midonet/midonet.conf',
  $cluster_jvm_config_path         = '/etc/midonet-cluster/midonet-cluster-env.sh',
  $cluster_host                    = '0.0.0.0',
  $cluster_port                    = '8181',
  $max_heap_size                   = '1024M',
  $heap_newsize                    = '512M',
  $package_ensure                  = 'present',
  $is_insights                     = false,
  $clio_service_udp_port           = undef,
  $clio_target_udp_port            = undef,
  $jmxscraper_target_udp_endpoint  = undef,
  $flow_tracing_service_ws_port    = undef,
  $agent_flow_history_udp_endpoint = undef,
  $calliope_service_ws_port        = undef,
  $insights_ssl                    = undef,
  $analytics_ip                    = undef,
) {

  if $package_ensure != 'absent' {
    file { '/tmp/mn-cluster_config.sh':
      ensure  => present,
      content => template('midonet/cluster/mn-cluster_config.sh.erb'),
    } ->

    exec { '/bin/bash /tmp/mn-cluster_config.sh': }

    file { 'cluster_config':
      ensure  => present,
      path    => $cluster_config_path,
      content => template('midonet/cluster/midonet.conf.erb'),
      require => Package['midonet-cluster'],
      notify  => Service['midonet-cluster'],
      before  => File['/tmp/mn-cluster_config.sh'],
    }

    file { 'cluster_jvm_config':
      ensure  => present,
      path    => $cluster_jvm_config_path,
      content => template('midonet/cluster/midonet-cluster-env.sh.erb'),
      require => Package['midonet-cluster'],
      notify  => Service['midonet-cluster'],
    }

    if $is_insights {
      file { 'analytics_settings':
        ensure  => present,
        path    => '/tmp/analytics_settings.conf',
        content => template('midonet/analytics/analytics_settings.erb'),
      } ->
      file { 'analytics_settings_script':
        ensure  => present,
        path    => '/tmp/analytics_settings.sh',
        content => template('midonet/analytics/analytics_settings.sh.erb'),
      } ->
      exec { '/bin/bash /tmp/analytics_settings.sh': }
    }

    file { '/etc/midonet/subscriptions':
      ensure  => directory,
      source  => 'puppet:///modules/midonet/subscriptions',
      require => Service['midonet-cluster'],
      recurse => true,
    }
  }

  service { 'midonet-cluster':
    ensure => $service_ensure,
    name   => $service_name,
    enable => $service_enable,
  }
}