(CAT-2511) Investigate possible sles fixes

Testing possible fixes for SLES failures.

Author: LukasAud

.github/workflows/ci.yml

@@ -16,4 +16,6 @@ jobs:
   Acceptance:
     needs: Spec
     uses: "puppetlabs/cat-github-actions/.github/workflows/module_acceptance.yml@main"
+    with:
+      flags: "--platform-include sles12 --platform-include sles15 --nightly"
     secrets: "inherit"

manifests/client.pp

@@ -18,6 +18,10 @@
   Variant[Enum['present', 'absent', 'purged', 'disabled', 'installed', 'latest'], String[1]] $package_ensure = 'present',
 ) inherits postgresql::params {
   if $package_name != 'UNSET' {
+    # TEMPORARY FIX: Configure fallback repo for unregistered SLES systems
+    include postgresql::repo::sles_fallback
+    Class['postgresql::repo::sles_fallback'] -> Package['postgresql-client']
+
     package { 'postgresql-client':
       ensure => $package_ensure,
       name   => $package_name,

manifests/repo/sles_fallback.pp

@@ -0,0 +1,21 @@
+# @api private
+# @summary Configures fallback zypper repository for SLES systems without repos
+#
+# This class works around an infrastructure issue where GCP-provisioned SLES
+# images are unregistered BYOS (Bring Your Own Subscription) instances without
+# any configured package repositories. It adds openSUSE Leap 15.6 as a fallback
+# repository if no repositories are configured.
+#
+# This is a temporary workaround and should be removed once proper PAYG images
+# or registered SLES systems are used in CI.
+#
+class postgresql::repo::sles_fallback {
+  if ($facts['os']['family'] in ['SLES', 'SUSE']) {
+    exec { 'Configure zypper repo for SLES':
+      path      => '/bin:/usr/bin:/sbin:/usr/sbin',
+      command   => 'zypper --non-interactive --gpg-auto-import-keys ar http://download.opensuse.org/distribution/leap/15.6/repo/oss/ opensuse-leap-fallback && zypper --non-interactive --gpg-auto-import-keys refresh',
+      unless    => "zypper lr 2>/dev/null | grep -q 'opensuse-leap-fallback\\|http'",
+      logoutput => true,
+    }
+  }
+}

manifests/server/install.pp

@@ -10,6 +10,10 @@
     default => $package_ensure,
   }
 
+  # TEMPORARY FIX: Configure fallback repo for unregistered SLES systems
+  include postgresql::repo::sles_fallback
+  Class['postgresql::repo::sles_fallback'] -> Package['postgresql-server']
+
   package { 'postgresql-server':
     ensure => $_package_ensure,
     name   => $package_name,