#
# Cookbook Name:: zabbix
# Recipe:: database
#
# Copyright 2017, Linux-Help.org
# Authors:
# 	Eric Renfro <psi-jack@linux-help.org>
#

yum_package 'postgresql94-server'

directory '/tmp/database' do
  owner 'root'
  group 'root'
  mode '0755'
  action :create
  only_if { Dir.glob('/var/lib/pgsql/9.4/data/*').empty? }
end

template "/tmp/database/schema.sql" do
  source "schema.sql.erb"
  mode "0644"
  owner "root"
  group "root"
  action :create
  only_if { Dir.exist?('/tmp/database') }
end

template "/tmp/database/images.sql" do
  source "images.sql.erb"
  mode "0644"
  owner "root"
  group "root"
  action :create
  only_if { Dir.exist?('/tmp/database') }
end

template "/tmp/database/data.sql" do
  source "data.sql.erb"
  mode "0644"
  owner "root"
  group "root"
  action :create
  only_if { Dir.exist?('/tmp/database') }
end

execute 'initializingdb' do
   command 'service postgresql-9.4 initdb'
   action :run
   only_if { Dir.glob('/var/lib/pgsql/9.4/data/*').empty? }
end

template "/var/lib/pgsql/9.4/data/pg_hba.conf" do
  source "pg_hba.conf.erb"
  mode "0600"
  owner "postgres"
  group "postgres"
  notifies :restart, "service[postgresql-9.4]", :immediately
end

service 'postgresql-9.4' do
  action [:start, :enable]
end

bash 'configure_postgres' do
  user 'root'
  sensitive true
  credentials = Chef::EncryptedDataBagItem.load("odhp_credentials", "credentials")
  code <<-EOH
  su postgres -l -c "psql -U postgres -c \\"CREATE DATABASE zabbix WITH ENCODING='UTF-8';\\""
  su postgres -l -c "psql -U postgres -c \\"CREATE USER zabbixmaster WITH PASSWORD '#{credentials['zabbix']['postgres_password']}';\\""
  su postgres -l -c "psql  -U postgres -c \\"GRANT ALL PRIVILEGES ON DATABASE zabbix to zabbixmaster;\\""
  EOH
  only_if { Dir.exist?('/tmp/database') }
end

bash 'configure_schema' do
    credentials = Chef::EncryptedDataBagItem.load("odhp_credentials", "credentials")
    sensitive true
    environment ({
        "PGPASSWORD" => credentials['zabbix']['postgres_password']
    })
    code <<-EOH
        cd /tmp/database/
        psql -h 127.0.0.1 -U zabbixmaster -d zabbix -f /tmp/database/schema.sql;
        psql -h 127.0.0.1 -U zabbixmaster -d zabbix -f /tmp/database/images.sql;
        psql -h 127.0.0.1 -U zabbixmaster -d zabbix -f /tmp/database/data.sql;
    EOH
    only_if { Dir.exist?('/tmp/database') }
end

directory "cleanup" do
    path "/tmp/database"
    recursive true
    action :delete
end