# Configure a SUNET CDN CA server
class cdn::cache(
  Hash[String, Integer] $customers = {
    customer1 => 1000000000,
  }
)
{
  include sunet::packages::certbot
  include cdn::ca_trust

  $cache_secrets = lookup({ 'name' => 'cdn::cache-secrets', 'default_value' => undef })

  file { '/opt/sunet-cdn':
    ensure => directory,
    owner  => 'root',
    group  => 'root',
    mode   => '0755',
  }

  file { '/opt/sunet-cdn/customers':
    ensure => directory,
    owner  => 'root',
    group  => 'root',
    mode   => '0755',
  }

  file { '/opt/sunet-cdn/conf':
    ensure => directory,
    owner  => 'root',
    group  => 'root',
    mode   => '0755',
  }

  file { '/opt/sunet-cdn/conf/varnish-slash-seccomp.json':
    ensure  => file,
    owner   => 'root',
    group   => 'root',
    mode    => '0644',
    content => template('cdn/cache/varnish-slash-seccomp.json.erb'),
  }

  if $cache_secrets {
    $customers.each |String $customer, Integer $customer_uid| {
      if $cache_secrets['customers'][$customer] {
        file { "/opt/sunet-cdn/customers/$customer":
          ensure => directory,
          owner  => $customer_uid,
          group  => $customer_uid,
          mode   => '0750',
        }

        file { "/opt/sunet-cdn/customers/$customer/conf":
          ensure => directory,
          owner  => $customer_uid,
          group  => $customer_uid,
          mode   => '0750',
        }

        file { "/opt/sunet-cdn/customers/$customer/shared":
          ensure => directory,
          owner  => $customer_uid,
          group  => $customer_uid,
          mode   => '0750',
        }

        file { "/opt/sunet-cdn/customers/$customer/cache":
          ensure => directory,
          owner  => $customer_uid,
          group  => $customer_uid,
          mode   => '0750',
        }

        file { "/opt/sunet-cdn/customers/$customer/certs-private":
          ensure => directory,
          owner  => $customer_uid,
          group  => $customer_uid,
          mode   => '0750',
        }

        $combined_pem = "/opt/sunet-cdn/customers/$customer/certs-private/combined.pem"

        concat { $combined_pem:
          ensure => present,
          owner  => $customer_uid,
          group  => $customer_uid,
          mode   => '0640',
        }

        concat::fragment { "${customer}.fullchain-${$cache_secrets['customers'][$customer]['host']}":
          target  => $combined_pem,
          source => "/etc/letsencrypt/live/$cache_secrets['customers'][$customer]['host']/fullchain.pem",
          order   => '01'
        }

        concat::fragment { "${customer}-privkey-${$cache_secrets['customers'][$customer]['host']}":
          target  => $combined_pem,
          source => "/etc/letsencrypt/live/$cache_secrets['customers'][$customer]['host']/privkey.pem",
          order   => '02'
        }

        file { "/opt/sunet-cdn/customers/$customer/conf/haproxy.cfg":
          ensure  => file,
          owner   => $customer_uid,
          group   => $customer_uid,
          mode    => '0440',
          content => template('cdn/cache/haproxy.cfg.erb'),
        }

        file { "/opt/sunet-cdn/customers/$customer/conf/varnish.vcl":
          ensure  => file,
          owner   => $customer_uid,
          group   => $customer_uid,
          mode    => '0440',
          content => template('cdn/cache/varnish.vcl.erb'),
        }

        sunet::docker_compose { "sunet-cdn-cache-$customer":
          content          => template('cdn/cache/docker-compose.yml.erb'),
          service_name     => "cdn-cache-$customer",
          compose_dir      => "/opt/sunet-cdn/compose/$customer",
          compose_filename => 'docker-compose.yml',
          description      => "SUNET CDN CA $customer",
        }
      }
    }
  }
}