#
# Cookbook Name:: openstack-block-storage
# Recipe:: volume
#
# Copyright 2012, Rackspace US, Inc.
# Copyright 2012-2013, AT&T Services, Inc.
# Copyright 2013, Opscode, Inc.
# Copyright 2013, SUSE Linux Gmbh.
# Copyright 2013, IBM, Corp.
#
# 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 ::Chef::Recipe
  include ::Openstack
end

include_recipe "openstack-block-storage::cinder-common"

platform_options = node["openstack"]["block-storage"]["platform"]

platform_options["cinder_volume_packages"].each do |pkg|
  package pkg do
    options platform_options["package_overrides"]

    action :upgrade
  end
end

db_type = node['openstack']['db']['volume']['db_type']
platform_options["#{db_type}_python_packages"].each do |pkg|
  package pkg do
    action :upgrade
  end
end

platform_options["cinder_iscsitarget_packages"].each do |pkg|
  package pkg do
    options platform_options["package_overrides"]

    action :upgrade
  end
end

case node["openstack"]["block-storage"]["volume"]["driver"]
when "cinder.volume.drivers.netapp.iscsi.NetAppISCSIDriver"
  node.override["openstack"]["block-storage"]["netapp"]["dfm_password"] = service_password "netapp"

when "cinder.volume.drivers.RBDDriver"
  node.override["openstack"]["block-storage"]["rbd_secret_uuid"] = service_password "rbd"

when "cinder.volume.drivers.netapp.nfs.NetAppDirect7modeNfsDriver"
  node.override["openstack"]["block-storage"]["netapp"]["netapp_server_password"] = service_password "netapp-filer"

  directory node["openstack"]["block-storage"]["nfs"]["mount_point_base"] do
    owner node["openstack"]["block-storage"]["user"]
    group node["openstack"]["block-storage"]["group"]
    action :create
  end

  template node["openstack"]["block-storage"]["nfs"]["shares_config"] do
    source "shares.conf.erb"
    mode "0600"
    owner node["openstack"]["block-storage"]["user"]
    group node["openstack"]["block-storage"]["group"]
    variables(
      "host" => node["openstack"]["block-storage"]["netapp"]["netapp_server_hostname"],
      "export" => node["openstack"]["block-storage"]["netapp"]["export"]
    )
    notifies :restart, "service[cinder-volume]"
  end

  platform_options["cinder_nfs_packages"].each do |pkg|
    package pkg do
      options platform_options["package_overrides"]

      action :upgrade
    end
  end

when "cinder.volume.drivers.lvm.LVMISCSIDriver"
  if node["openstack"]["block-storage"]["volume"]["create_volume_group"]
    volume_size = node["openstack"]["block-storage"]["volume"]["volume_group_size"]
    seek_count = volume_size.to_i * 1024
    # default volume group is 40G
    seek_count = 40 * 1024 if seek_count == 0
    vg_name = node["openstack"]["block-storage"]["volume"]["volume_group"]
    vg_file = "#{node["openstack"]["block-storage"]["volume"]["state_path"]}/#{vg_name}.img"

    # create volume group
    execute "Create Cinder volume group" do
      command "dd if=/dev/zero of=#{vg_file} bs=1M seek=#{seek_count} count=0; vgcreate #{vg_name} $(losetup --show -f #{vg_file})"
      action :run
      not_if "vgs #{vg_name}"
    end

    service "cinder-group-active" do
      service_name "cinder-group-active"
      supports :status => true, :restart => true

      action [ :enable, :start ]
    end

    template "/etc/init.d/cinder-group-active" do
      source "cinder-group-active.erb"
      mode "755"
      variables(
        "volume_file" => vg_file
      )
      notifies :restart, "service[cinder-group-active]", :immediately
    end
  end
end

service "cinder-volume" do
  service_name platform_options["cinder_volume_service"]
  supports :status => true, :restart => true

  action [ :enable, :start ]
  subscribes :restart, "template[/etc/cinder/cinder.conf]"
end

service "iscsitarget" do
  service_name platform_options["cinder_iscsitarget_service"]
  supports :status => true, :restart => true

  action :enable
end

template "/etc/tgt/targets.conf" do
  source "targets.conf.erb"
  mode   00600

  notifies :restart, "service[iscsitarget]", :immediately
end