# encoding: UTF-8
#
# Cookbook Name:: openstack-object-storage
# Recipe:: swift-common
#
# Copyright 2012, Rackspace US, Inc.
#
# 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 # rubocop:disable Documentation
  include DriveUtils
end

include_recipe 'sysctl::default'

#-------------
# stats
#-------------

# optionally statsd daemon for stats collection
if node['swift']['statistics']['enabled']
  node.set['statsd']['relay_server'] = true
  include_recipe 'statsd::server'
end

# find graphing server address
if Chef::Config[:solo] && !node['recipes'].include?('chef-solo-search')
  Chef::Log.warn('This recipe uses search. Chef Solo does not support search.')
  graphite_servers = []
else
  graphite_servers = search(:node, "roles:#{node['swift']['statistics']['graphing_role']} AND chef_environment:#{node.chef_environment}")
end
graphite_host = '127.0.0.1'
unless graphite_servers.empty?
  graphite_host = graphite_servers[0]['network']["ipaddress_#{node['swift']['statistics']['graphing_interface']}"]
end

if node['swift']['statistics']['graphing_ip'].nil?
  node.set['statsd']['graphite_host'] = graphite_host
else
  node.set['statsd']['graphite_host'] = node['swift']['statistics']['graphing_ip']
end

#--------------
# swift common
#--------------

platform_options = node['swift']['platform']

# update repository if requested with the ubuntu cloud
case node['platform']
when 'ubuntu'

  Chef::Log.info('Creating apt repository for http://ubuntu-cloud.archive.canonical.com/ubuntu')
  Chef::Log.info("chefspec: #{node['lsb']['codename']}-updates/#{node['swift']['release']}")
  apt_repository 'ubuntu_cloud' do
    uri 'http://ubuntu-cloud.archive.canonical.com/ubuntu'
    distribution "#{node['lsb']['codename']}-updates/#{node['swift']['release']}"
    components ['main']
    key '5EDB1B62EC4926EA'
    action :add
  end
end

platform_options['swift_packages'].each do |pkg|
  package pkg do
    action :install
  end
end

directory '/etc/swift' do
  action :create
  owner 'swift'
  group 'swift'
  mode '0700'
  only_if '/usr/bin/id swift'
end

# determine hash
if node['swift']['swift_secret_databag_name'].nil?
  swifthash = node['swift']['swift_hash']
else
  swift_secrets = Chef::EncryptedDataBagItem.load 'secrets', node['swift']['swift_secret_databag_name']
  swifthash = swift_secrets['swift_hash']
end

file '/etc/swift/swift.conf' do
  action :create
  owner 'swift'
  group 'swift'
  mode '0700'
  content "[swift-hash]\nswift_hash_path_suffix=#{swifthash}\n"
  only_if '/usr/bin/id swift'
end

# need a swift user
user 'swift' do
  shell '/bin/bash'
  action :modify
  only_if '/usr/bin/id swift'
end

package 'git' do
  action :install
end

# drop a ring puller script
# TODO: make this smarter
git_builder_ip = node['swift']['git_builder_ip']
template '/etc/swift/pull-rings.sh' do
  source 'pull-rings.sh.erb'
  owner 'swift'
  group 'swift'
  mode '0700'
  variables(
    builder_ip: git_builder_ip,
    service_prefix: platform_options['service_prefix']
  )
  only_if '/usr/bin/id swift'
end

execute '/etc/swift/pull-rings.sh' do
  cwd '/etc/swift'
  only_if '[ -x /etc/swift/pull-rings.sh ]'
end