(CONT-1028) Remove usage of legacy validate_re()

This deprecated function was removed from Puppet. The Puppet 4 type
system can be used to ensure the validity of parameters with better
error reporting.

Author: smortex

manifests/compose.pp

@@ -37,14 +37,11 @@
   Optional[String]               $version      = $docker::params::compose_version,
   Optional[String]               $install_path = $docker::params::compose_install_path,
   Optional[String]               $symlink_name = $docker::params::compose_symlink_name,
-  Optional[String]               $proxy        = undef,
+  Optional[Pattern['^((http[s]?)?:\/\/)?([^:^@]+:[^:^@]+@|)([\da-z\.-]+)\.([\da-z\.]{2,6})(:[\d])?([\/\w \.-]*)*\/?$']] $proxy = undef,
   Optional[String]               $base_url     = $docker::params::compose_base_url,
   Optional[String]               $raw_url      = undef,
   Optional[Boolean]              $curl_ensure  = $docker::params::curl_ensure,
 ) inherits docker::params {
-  if $proxy != undef {
-    validate_re($proxy, '^((http[s]?)?:\/\/)?([^:^@]+:[^:^@]+@|)([\da-z\.-]+)\.([\da-z\.]{2,6})(:[\d])?([\/\w \.-]*)*\/?$')
-  }
 
   if $facts['os']['family'] == 'windows' {
     $file_extension = '.exe'

manifests/machine.pp

@@ -24,13 +24,10 @@
   Enum[present,absent]                                 $ensure       = 'present',
   Optional[String]                                     $version      = $docker::params::machine_version,
   Optional[String]                                     $install_path = $docker::params::machine_install_path,
-  Optional[String]                                     $proxy        = undef,
+  Optional[Pattern['^((http[s]?)?:\/\/)?([^:^@]+:[^:^@]+@|)([\da-z\.-]+)\.([\da-z\.]{2,6})(:[\d])?([\/\w \.-]*)*\/?$']] $proxy = undef,
   Optional[Variant[Stdlib::HTTPUrl, Stdlib::HTTPSUrl]] $url          = undef,
   Optional[Boolean]                                    $curl_ensure  = $docker::params::curl_ensure,
 ) inherits docker::params {
-  if $proxy != undef {
-    validate_re($proxy, '^((http[s]?)?:\/\/)?([^:^@]+:[^:^@]+@|)([\da-z\.-]+)\.([\da-z\.]{2,6})(:[\d])?([\/\w \.-]*)*\/?$')
-  }
 
   if $facts['os']['family'] == 'windows' {
     $file_extension = '.exe'