Fix failing resources under systemd-nspawn

manifests/profile/base/systemd.pp

@@ -55,9 +55,11 @@ class nest::profile::base::systemd {
     changes => flatten($nsswitch_id_changes + $nsswitch_hosts_changes),
   }
 
-  file { '/etc/resolv.conf':
-    ensure => link,
-    target => '/run/systemd/resolve/stub-resolv.conf',
+  unless $facts['virtual'] == 'lxc' {
+    file { '/etc/resolv.conf':
+      ensure => link,
+      target => '/run/systemd/resolve/stub-resolv.conf',
+    }
   }
 
   file {

manifests/profile/base/zfs.pp

@@ -23,17 +23,19 @@ class nest::profile::base::zfs {
     require => Package['sys-fs/zfs'],
   }
 
-  # ZFS likes to have a little extra headroom on low memory systems
-  sysctl { 'vm.min_free_kbytes':
-    value  => '32768',
-    target => '/etc/sysctl.d/nest.conf',
-  }
+  unless $facts['virtual'] == 'lxc' {
+    # ZFS likes to have a little extra headroom on low memory systems
+    sysctl { 'vm.min_free_kbytes':
+      value  => '32768',
+      target => '/etc/sysctl.d/nest.conf',
+    }
 
-  # Not strictly ZFS related, though our swap is on ZFS, but this
-  # seems to improve stability in low memory conditions, counterintuitively.
-  sysctl { 'vm.swappiness':
-    value  => '10',
-    target => '/etc/sysctl.d/nest.conf',
+    # Not strictly ZFS related, though our swap is on ZFS, but this
+    # seems to improve stability in low memory conditions, counterintuitively.
+    sysctl { 'vm.swappiness':
+      value  => '10',
+      target => '/etc/sysctl.d/nest.conf',
+    }
   }
 
   group { 'zfssnap':