#
# Cookbook:: kosmos-bitcoin
# Recipe:: peerswap-lnd
#

include_recipe 'git'
include_recipe 'kosmos-bitcoin::golang'
include_recipe 'kosmos-bitcoin::user'

bitcoin_user  = node['bitcoin']['username']
bitcoin_group = node['bitcoin']['usergroup']
lnd_dir       = node['lnd']['lnd_dir']
macaroon_path = "#{lnd_dir}/data/chain/bitcoin/#{node['bitcoin']['network']}/admin.macaroon"
source_dir    = node['peerswap-lnd']['source_dir']
config_dir    = "/home/#{bitcoin_user}/.peerswap"

directory config_dir do
  owner bitcoin_user
  group bitcoin_group
  mode '0700'
  action :create
end

git source_dir do
  repository node['peerswap']['repo']
  revision node['peerswap']['revision']
  action :sync
  notifies :run, 'bash[compile_peerswap]', :immediately
end

bash 'compile_peerswap' do
  cwd source_dir
  environment 'GOPATH' => '/opt/go'
  code 'make lnd-release'
  action :run
  notifies :restart, 'service[peerswap]', :delayed
end

template "#{config_dir}/peerswap.conf" do
  source 'peerswap-lnd.conf.erb'
  owner bitcoin_user
  group bitcoin_group
  mode 0600
  sensitive true
  variables config: {
    tlscertpath:  "#{lnd_dir}/tls.cert",
    macaroonpath: macaroon_path
  }
  notifies :restart, 'service[peerswap]', :delayed
end

systemd_unit 'peerswap.service' do
  content({
    Unit: {
      Description: 'PeerSwap Lightning channel balancing',
      Documentation: ['https://github.com/ElementsProject/peerswap'],
      Requires: 'lnd.service',
      After: 'lnd.service'
    },
    Service: {
      User: bitcoin_user,
      Group: bitcoin_group,
      Type: 'simple',
      WorkingDirectory: source_dir,
      ExecStart: "/opt/go/bin/peerswapd",
      Restart: 'always',
      RestartSec: '10',
      TimeoutSec: '60',
      PrivateTmp: true,
      ProtectSystem: 'full',
      NoNewPrivileges: true,
      PrivateDevices: true,
      MemoryDenyWriteExecute: true
    },
    Install: {
      WantedBy: 'multi-user.target'
    }
  })
  verify false
  triggers_reload true
  action [:create, :enable, :start]
end

service 'peerswap' do
  action :nothing
end