#
# Cookbook Name:: kosmos-base
# Recipe:: letsencrypt
#
# The MIT License (MIT)
#
# Copyright:: 2019, Kosmos Developers
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

# Install certbot and set up hooks

apt_repository "certbot" do
  uri "ppa:certbot/certbot"
end

package "certbot"

%w(deploy post pre).each do |subdir|
  directory "/etc/letsencrypt/renewal-hooks/#{subdir}" do
    recursive true
    mode 0755
    owner "root"
    group "root"
  end
end

file "/etc/letsencrypt/renewal-hooks/deploy/nginx" do
  content <<-EOF
#!/usr/bin/env bash
# Reloading nginx is enough to read the new certificates
systemctl reload nginx
  EOF
  mode 0755
  owner "root"
  group "root"
end

gandi_api_data_bag_item = data_bag_item('credentials', 'gandi_api_5apps')

template "/root/gandi_dns_certbot_hook.sh" do
  variables gandi_api_key: gandi_api_data_bag_item["key"]
  mode 0770
end

include_recipe 'kosmos-base::systemd_emails'

# Overwrite the systemd service to add email notifications on failures
cookbook_file "/lib/systemd/system/certbot.service" do
  source "certbot.service"
  notifies :run, "execute[systemctl daemon-reload]", :delayed
end

execute "systemctl daemon-reload" do
  command "systemctl daemon-reload"
  action :nothing
end