#
# Cookbook:: kosmos-bitcoin
# Recipe:: lnd-scb-s3
#
# Static Channel Backup for LND channel states
#

include_recipe "kosmos-bitcoin::aws-client"

package "inotify-tools"

backup_script_path = "/opt/lnd-channel-backup-s3.sh"
backup_credentials = Chef::EncryptedDataBagItem.load('credentials', 'backup')

template backup_script_path do
  source "lnd-channel-backup-s3.sh.erb"
  mode '0740'
  variables lnd_dir: node['lnd']['lnd_dir'],
            bitcoin_network: node['bitcoin']['network'],
            s3_endpoint: backup_credentials['s3_endpoint'],
            s3_bucket: node['backup']['s3']['bucket'],
            s3_scb_dir: "#{node['name']}/lnd/#{node['bitcoin']['network']}"
  notifies :restart, "systemd_unit[lnd-channel-backup.service]", :delayed
end

systemd_unit 'lnd-channel-backup.service' do
  content({
    Unit: {
      Description: 'LND Static Channel Backup',
      Documentation: ['https://gist.github.com/alexbosworth/2c5e185aedbdac45a03655b709e255a3'],
      Requires: 'lnd.service',
      After: 'lnd.service'
    },
    Service: {
      User: 'root',
      Group: 'root',
      Type: 'simple',
      ExecStart: backup_script_path,
      Restart: 'always',
      RestartSec: 1
    },
    Install: {
      WantedBy: 'multi-user.target'
    }
  })
  verify false
  triggers_reload true
  action [:create, :enable, :start]
end