#
# Cookbook:: esh_webhook
# Recipe:: service
#
# Copyright:: 2023, https://easyself.host
#
# 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.

version = node['esh']['webhook']['service']['version']
url = "https://github.com/adnanh/webhook/releases/download/#{version}/webhook-linux-amd64.tar.gz"

remote_file "webhook.#{version}.tar.gz" do
  source url
  path "#{Chef::Config[:file_cache_path]}/webhook.#{version}.tar.gz"
  notifies :run, 'execute[extract webhook]', :immediately
end

execute 'extract webhook' do
  command <<~EOT
    tar -zxvf \
      #{Chef::Config[:file_cache_path]}/webhook.#{version}.tar.gz \
      -C /usr/local/bin webhook-linux-amd64/webhook \
      --strip-components=1
  EOT
  action :nothing
end

cookbook_file '/usr/local/bin/webhook.sh' do
  owner 'root'
  group 'root'
  mode '0755'
  action :create
end

template '/etc/webhook/hooks.json' do
  owner 'webhook'
  group 'webhook'
  mode '0400'
  variables secret: node['esh']['webhook']['service']['hook_secret']
  action :create
end

systemd_unit 'webhook.service' do
  content <<~EOU
  [Unit]
  Description=Webhook service
  
  [Service]
  User=webhook
  Group=webhook
  ExecStart=/usr/local/bin/webhook -hooks /etc/webhook/hooks.json -debug
  
  [Install]
  WantedBy=multi-user.target
  EOU
  action :create
end

service 'webhook' do
  action [:enable, :start]
  subscribes :restart, 'template[/etc/webhook/hooks.json]', :delayed
end