#
# Cookbook Name:: postgresql
# Recipe:: server
#
# 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_recipe "postgresql::client"

svc_name = node['postgresql']['server']['service_name']
initdb_locale = node['postgresql']['initdb_locale']

shortver = node['postgresql']['version'].split('.').join

# Create a group and user like the package will.
# Otherwise the templates fail.

group "postgres" do
  gid 26
end

user "postgres" do
  shell "/bin/bash"
  comment "PostgreSQL Server"
  home "/var/lib/pgsql"
  gid "postgres"
  system true
  uid 26
  supports :manage_home => false
end

directory node['postgresql']['config']['data_directory'] do
  owner "postgres"
  group "postgres"
  recursive true
  action :create
end

node['postgresql']['server']['packages'].each do |pg_pack|

  package pg_pack

end

# If using PGDG, add symlinks so that downstream commands all work
if node['postgresql']['enable_pgdg_yum'] == true
  [
    "postgresql#{shortver}-setup",
    "postgresql#{shortver}-check-db-dir"
  ].each do |cmd|

    link "/usr/bin/#{cmd}" do
      to "/usr/pgsql-#{node['postgresql']['version']}/bin/#{cmd}"
    end

  end
end

# The systemd unit file does not support 'initdb' or 'upgrade' actions.
# Use the postgresql-setup script instead.

unless node['postgresql']['server']['init_package'] == 'systemd'

  directory "/etc/sysconfig/pgsql" do
    mode "0644"
    recursive true
    action :create
  end

  template "/etc/sysconfig/pgsql/#{svc_name}" do
    source "pgsql.sysconfig.erb"
    mode "0644"
    notifies :restart, "service[postgresql]", :delayed
  end

end

if node['postgresql']['server']['init_package'] == 'systemd'

  case node['platform_family']
  when 'suse'
    execute "initdb -d #{node['postgresql']['dir']}" do
      user 'postgres'
      not_if { ::File.exist?("#{node['postgresql']['config']['data_directory']}/PG_VERSION") }
    end
  else
    execute "#{node['postgresql']['setup_script']} initdb #{svc_name}" do
      not_if { ::File.exist?("#{node['postgresql']['config']['data_directory']}/PG_VERSION") }
    end
  end

elsif (!platform_family?("suse") && node['postgresql']['version'].to_f <= 9.3)

  execute "/sbin/service #{svc_name} initdb #{initdb_locale}" do
    not_if { ::File.exist?("#{node['postgresql']['config']['data_directory']}/PG_VERSION") }
  end

else

  execute "/sbin/service #{svc_name} initdb" do
    not_if { ::File.exist?("#{node['postgresql']['config']['data_directory']}/PG_VERSION") }
  end

end

service "postgresql" do
  service_name svc_name
  supports :restart => true, :status => true, :reload => true
  action [:enable, :start]
end

include_recipe "postgresql::server_conf"