Extract sunet-cdnp and create symlink in PATH

Store files in /var/lib/sunet-cdnp instead of /root

global/overlay/etc/puppet/modules/cdn/manifests/cache.pp

@@ -127,10 +127,31 @@ class cdn::cache(
     rule => 'add rule inet filter input meta iifname ip6tnl0 ip6 daddr 2001:6b0:2100::/48 tcp dport { 80, 443 } counter accept comment "sunet-cdn-service6"'
   }
 
-  # Download CDN purger
-  exec { "curl -LO https://github.com/SUNET/sunet-cdnp/releases/download/v${sunet_cdnp_version}/sunet-cdnp_${sunet_cdnp_version}_linux_${facts[os][architecture]}.tar.gz":
-    creates => "/root/sunet-cdnp_${sunet_cdnp_version}_linux_${facts[os][architecture]}.tar.gz",
-    cwd     => '/root'
+  $sunet_cdnp_dir = '/var/lib/sunet-cdnp'
+  $sunet_cdnp_file = "sunet-cdnp_${sunet_cdnp_version}_linux_${facts[os][architecture]}.tar.gz"
+  $sunet_cdnp_url = "https://github.com/SUNET/sunet-cdnp/releases/download/v${sunet_cdnp_version}/${sunet_cdnp_file}"
+  # Create directory for managing CDP purger
+  file { $sunet_cdnp_dir:
+    ensure => directory,
+    owner  => 'root',
+    group  => 'root',
+    mode   => '0755',
+  }
+
+  exec { "curl -LO ${sunet_cdnp_url}":
+    creates => "${sunet_cdnp_dir}/${sunet_cdnp_file}",
+    cwd     => $sunet_cdnp_dir
+    notify  => Exec["tar -xzf ${sunet_cdnp_file} sunet-cdnp"],
+  }
+
+  exec { "tar -xzf ${sunet_cdnp_file} sunet-cdnp":
+    cwd         => $sunet_cdnp_dir
+    refreshonly => true,
+  }
+
+  file { '/usr/local/bin/sunet-cdnp':
+    ensure => link,
+    target => "${sunet_cdnp_dir}/sunet-cdnp",
   }
 
   if $cache_secrets {