From 9df5534a138e749395793806200f174de0cf681a Mon Sep 17 00:00:00 2001
From: Jesse Haka <haka.jesse@gmail.com>
Date: Wed, 1 Feb 2023 21:11:11 +0200
Subject: [PATCH] add k8s node labels

---
 pkg/nodeidentity/openstack/identify.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkg/nodeidentity/openstack/identify.go b/pkg/nodeidentity/openstack/identify.go
index e609aaa64b..c9ad5e1eb9 100644
--- a/pkg/nodeidentity/openstack/identify.go
+++ b/pkg/nodeidentity/openstack/identify.go
@@ -36,7 +36,8 @@ import (
 )
 
 const (
-	cacheTTL = 60 * time.Minute
+	cacheTTL                           = 60 * time.Minute
+	ClusterAutoscalerNodeTemplateLabel = "k8s.io_cluster-autoscaler_node-template_label_"
 )
 
 // nodeIdentifier identifies a node
@@ -137,6 +138,13 @@ func (i *nodeIdentifier) IdentifyNode(ctx context.Context, node *corev1.Node) (*
 		}
 	}
 
+	for key, value := range server.Metadata {
+		if strings.HasPrefix(key, ClusterAutoscalerNodeTemplateLabel) {
+			trimKey := strings.ReplaceAll(strings.TrimPrefix(key, ClusterAutoscalerNodeTemplateLabel), "_", "/")
+			labels[trimKey] = value
+		}
+	}
+
 	info := &nodeidentity.Info{
 		InstanceID: instanceID,
 		Labels:     labels,