#
# Cookbook:: esh_cloudflared
# Recipe:: default
#
# Copyright:: 2022, 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.

apt_repository 'cloudflared' do
  uri 'https://pkg.cloudflare.com/cloudflared'
  distribution 'jammy'
  components %w(main)
  key 'https://pkg.cloudflare.com/cloudflare-main.gpg'
end

apt_package 'cloudflared'

sysctl 'net.core.rmem_max' do
  value '2500000'
  action :apply
end

group 'cloudflared' do
  system true
  action :create
end

user 'cloudflared' do
  comment 'cloudflared tunnel user'
  gid 'cloudflared'
  home '/nonexistent'
  shell '/usr/sbin/nologin'
  system true
  action :create
end

directory '/etc/cloudflared' do
  owner 'cloudflared'
  group 'cloudflared'
  mode '0700'
  action :create
end

systemd_unit 'cloudflared@.service' do
  content <<~EOU
  [Unit]
  Description=Cloudflared tunnel %i
  After=network.target

  [Service]
  User=cloudflared
  Group=cloudflared
  Type=notify
  ExecStart=/usr/bin/cloudflared \
    --origincert /etc/cloudflared/cert.pem \
    --config /etc/cloudflared/%i.yaml \
    tunnel run %i
  Restart=on-failure
  RestartSec=5s

  [Install]
  WantedBy=multi-user.target
  EOU
  action :create
end