feat: adding rke2 (#394)

- manage rke2 repos
- add rke2 module (init, params, install, config, service)
- split roles::infra::k8s::node -> control/compute roles
- moved common k8s config into k8s.yaml
- add bootstrap_node, manage server and token fields in rke2 config
- manage install of helm
- manage node attributes (from puppet facts)
- manage frr exclusions for service/cluster network

Reviewed-on: #394

modules/rke2/manifests/helm.pp

@@ -0,0 +1,44 @@
+
+# manage helm
+class rke2::helm (
+  Enum['server', 'agent'] $node_type = $rke2::node_type,
+  Stdlib::Fqdn            $bootstrap_node = $rke2::bootstrap_node,
+  Boolean                 $helm_install = $rke2::helm_install,
+  Hash                    $helm_repos = $rke2::helm_repos
+){
+
+  # when installing helm, manage the repos
+  if $helm_install {
+
+    package {'helm':
+      ensure => installed,
+    }
+
+    file { '/etc/helm':
+      ensure => directory,
+      owner  => 'root',
+      group  => 'root',
+      mode   => '0755',
+    }
+
+    # on the controller nodes only
+    if $node_type == 'server' {
+
+      # check if the repo already exists
+      $helm_repos.each | String $repo, Stdlib::HTTPSUrl $url | {
+
+        # if repo isnt in repo list from helm, install it
+        if ! $facts['helm_repos'].any |$existing| { $existing['name'] == $repo } {
+
+          exec { "helm_add_repo_${repo}":
+            command     => "helm repo add ${repo} ${url} --repository-config /etc/helm/repositories.yaml",
+            path        => ['/usr/bin'],
+            environment => [
+              'KUBECONFIG=/etc/rancher/rke2/rke2.yaml',
+            ],
+          }
+        }
+      }
+    }
+  }
+}