platform/kvmlibvirt: add charts to be installed

This commit adds the control plane charts that need to be installed once
the bootstrap control plane is running.

Signed-off-by: Imran Pochi <imran@kinvolk.io>

pkg/platform/kvmlibvirt/kvmlibvirt.go

@@ -116,6 +116,28 @@ func (c *config) Initialize(ex *terraform.Executor) error {
 		return err
 	}
 
+	// TODO: A transient change which shall be reverted in a follow up PR to handle
+	// https://github.com/kinvolk/lokomotive/issues/716.
+	// Extract control plane chart files to cluster assets directory.
+	for _, c := range platform.CommonControlPlaneCharts() {
+		src := filepath.Join(assets.ControlPlaneSource, c.Name)
+		dst := filepath.Join(assetDir, "cluster-assets", "charts", c.Namespace, c.Name)
+		if err := assets.Extract(src, dst); err != nil {
+			return fmt.Errorf("extracting charts: %w", err)
+		}
+	}
+
+	// TODO: A transient change which shall be reverted in a follow up PR to handle
+	// https://github.com/kinvolk/lokomotive/issues/716.
+	// Extract self-hosted kubelet chart only when enabled in config.
+	if !c.DisableSelfHostedKubelet {
+		src := filepath.Join(assets.ControlPlaneSource, "kubelet")
+		dst := filepath.Join(assetDir, "cluster-assets", "charts", "kube-system", "kubelet")
+		if err := assets.Extract(src, dst); err != nil {
+			return fmt.Errorf("extracting kubelet chart: %w", err)
+		}
+	}
+
 	terraformRootDir := terraform.GetTerraformRootDir(assetDir)
 
 	return createTerraformConfigFile(c, terraformRootDir)