From 312fe476ce5ce7380354c0f5b07cb6dedf3e476e Mon Sep 17 00:00:00 2001
From: Jonas Lammler <jonas.lammler@hetzner-cloud.de>
Date: Tue, 8 Sep 2026 11:34:52 +0200
Subject: [PATCH 1/2] feat(server): always read public_net config into state

This ensure that when importing a server, the plan does not propose a public network update, forcing a server power cycle.
---
 internal/server/resource.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/internal/server/resource.go b/internal/server/resource.go
index 54458aa33..f2d0ffeae 100644
--- a/internal/server/resource.go
+++ b/internal/server/resource.go
@@ -1257,20 +1257,30 @@ func getServerAttributes(d *schema.ResourceData, s *hcloud.Server, forceSetNetwo
 		"firewall_ids":       firewallIDs,
 		"primary_disk_size":  s.PrimaryDiskSize,
 	}
+	resPublicNet := []map[string]any{{}}
+
 	if s.PublicNet.IPv4.IsUnspecified() {
 		res["ipv4_address"] = nil
+		resPublicNet[0]["ipv4_enabled"] = false
 	} else {
 		res["ipv4_address"] = s.PublicNet.IPv4.IP.String()
+		resPublicNet[0]["ipv4_enabled"] = true
+		resPublicNet[0]["ipv4"] = s.PublicNet.IPv4.ID
 	}
 
 	if len(s.PublicNet.IPv6.IP) == 0 {
 		// No IPv6 Primary IP assigned
 		res["ipv6_address"] = nil
+		resPublicNet[0]["ipv6_enabled"] = false
 	} else {
 		// Set first IP in assigned subnet range
 		res["ipv6_address"] = s.PublicNet.IPv6.IP.String() + "1"
+		resPublicNet[0]["ipv6_enabled"] = true
+		resPublicNet[0]["ipv6"] = s.PublicNet.IPv6.ID
 	}
 
+	res["public_net"] = resPublicNet
+
 	if s.Image != nil {
 		if s.Image.Name != "" && util.FormatID(s.Image.ID) != d.Get("image") {
 			// Only use the image name if the image is official (Name != "")

From d798ea76b22582ff972f176e7e788d0836e48ee7 Mon Sep 17 00:00:00 2001
From: Jonas Lammler <jonas.lammler@hetzner-cloud.de>
Date: Tue, 8 Sep 2026 18:55:17 +0200
Subject: [PATCH 2/2] fix: mark public_net as computer and remove diff
 suppression

A optional attribute with its diff suppressed when undefined is in the end a computed value.
---
 internal/server/resource.go | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/internal/server/resource.go b/internal/server/resource.go
index f2d0ffeae..cdce8b8fe 100644
--- a/internal/server/resource.go
+++ b/internal/server/resource.go
@@ -169,12 +169,7 @@ func Resource() *schema.Resource {
 			"public_net": {
 				Type:     schema.TypeSet,
 				Optional: true,
-				DiffSuppressFunc: func(_, _, _ string, d *schema.ResourceData) bool {
-					// Diff is only valid if "public_net" resource is set in
-					// terraform configuration.
-					_, ok := d.GetOk("public_net")
-					return !ok // Negate because we do **not** want to suppress the diff.
-				},
+				Computed: true,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						"ipv4_enabled": {