# frozen_string_literal: true

#
# Copyright:: 2023 Amazon.com, Inc. or its affiliates. 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.
# A copy of the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "LICENSE.txt" file accompanying this file.
# This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, express or implied.
# See the License for the specific language governing permissions and limitations under the License.

# This works for RedHat 8 and Centos >= 7.7
action :install_lustre do
  # add fsx lustre repository
  yum_repository "aws-fsx" do
    description "AWS FSx Packages - $basearch"
    baseurl base_url
    gpgkey public_key
    retries 3
    retry_delay 5
  end

  execute 'yum-config-manager_skip_if_unavail' do
    command "yum-config-manager --setopt=\*.skip_if_unavailable=1 --save"
  end

  package %w(kmod-lustre-client lustre-client dracut) do
    retries 3
    retry_delay 5
  end

  kernel_module 'lnet' unless redhat_on_docker?
end

def find_kernel_patch_version
  # kernel release is in the form 3.10.0-1127.8.2.el7.x86_64
  kernel_patch_version = node['cluster']['kernel_release'].match(/^\d+\.\d+\.\d+-(\d+)\..*$/)
  raise "Unable to retrieve the kernel patch version from #{node['cluster']['kernel_release']}." unless kernel_patch_version
  kernel_patch_version[1]
end