Defaults empty hash to kernel_modules and sysctl_settings

Set empty hash by default to kernel_modules and sysctl_settings so catalog
won't fail if the parameters are not set in Hiera.

Change-Id: I24ab535b01e2724af457d39c03cd990c574ef0aa

diff --git a/manifests/profile/base/kernel.pp b/manifests/profile/base/kernel.pp
index db0280f..df13a98 100644 (file)
--- a/manifests/profile/base/kernel.pp
+++ b/manifests/profile/base/kernel.pp
@@ -19,8 +19,12 @@
 #
 class tripleo::profile::base::kernel {
 
-  create_resources(kmod::load, hiera('kernel_modules'), { })
-  create_resources(sysctl::value, hiera('sysctl_settings'), { })
-  Exec <| tag == 'kmod::load' |>  -> Sysctl <| |>
+  if hiera('kernel_modules', undef) {
+    create_resources(kmod::load, hiera('kernel_modules'), { })
+  }
+  if hiera('sysctl_settings', undef) {
+    create_resources(sysctl::value, hiera('sysctl_settings'), { })
+  }
+  Exec <| tag == 'kmod::load' |> -> Sysctl <| |>
 
 }