#
# Cookbook Name:: kosmos-ipfs
# Recipe:: letsencrypt
#
# Copyright 2017, Kosmos
#
# All rights reserved - Do Not Redistribute
#
# nginx config to generate a Let's Encrypt cert

unless node.chef_environment == "development"
  include_recipe "kosmos-base::letsencrypt"
end

include_recipe "kosmos-nginx"

root_directory = "/var/www/ipfs.kosmos.org"

directory "#{root_directory}/.well-known/acme-challenge" do
  owner node["nginx"]["user"]
  group node["nginx"]["group"]
  action :create
  recursive true
end

template "#{node['nginx']['dir']}/sites-available/ipfs.kosmos.org" do
  source 'nginx_conf_ipfs.kosmos.org.erb'
  owner 'www-data'
  mode 0640
  variables server_name:             'ipfs.kosmos.org',
            root_directory:          root_directory,
            ssl_cert:                "/etc/letsencrypt/live/ipfs.kosmos.org/fullchain.pem",
            ssl_key:                 "/etc/letsencrypt/live/ipfs.kosmos.org/privkey.pem",
            ipfs_api_port:           node['kosmos-ipfs']['nginx']['api_port'],
            ipfs_external_api_port:  5444

  notifies :reload, 'service[nginx]', :delayed
end

nginx_site 'ipfs.kosmos.org' do
  enable true
end

unless node.chef_environment == "development"
  include_recipe "firewall"
  firewall_rule 'ipfs_api' do
    port     5444
    protocol :tcp
    command  :allow
  end

  # Generate a Let's Encrypt cert (only if the nginx vhost exists and no cert
  # has been generated before. The renew cron will take care of renewing
  execute "letsencrypt cert for ipfs.kosmos.org" do
    command "./certbot-auto certonly --webroot --agree-tos --email ops@5apps.com --webroot-path #{root_directory} -d ipfs.kosmos.org -n"
    cwd "/usr/local/certbot"
    only_if do
      File.exist?("#{node['nginx']['dir']}/sites-enabled/ipfs.kosmos.org") &&
        !File.exist?("/etc/letsencrypt/live/ipfs.kosmos.org/fullchain.pem")
    end
    notifies :create, "template[#{node['nginx']['dir']}/sites-available/ipfs.kosmos.org]", :delayed
  end
end