From 9d1604a1c96ea5de4ba3c968008c349a1dccae1b Mon Sep 17 00:00:00 2001
From: David Edler <david.edler@canonical.com>
Date: Fri, 8 Nov 2024 10:58:47 +0100
Subject: [PATCH] Network: add target parameter for GET 1.0/networks and
 network_get_target api extension. fixes #14406

Signed-off-by: David Edler <david.edler@canonical.com>
---
 doc/api-extensions.md |  4 ++++
 lxd/networks.go       | 11 +++++++++++
 shared/version/api.go |  1 +
 3 files changed, 16 insertions(+)

diff --git a/doc/api-extensions.md b/doc/api-extensions.md
index 9ec7dcfe6a63..7865f1263610 100644
--- a/doc/api-extensions.md
+++ b/doc/api-extensions.md
@@ -2520,3 +2520,7 @@ contains the total available logical CPUs available when LXD started.
 ## `vm_limits_cpu_pin_strategy`
 
 Adds a new {config:option}`instance-resource-limits:limits.cpu.pin_strategy` configuration option for virtual machines. This option controls the CPU pinning strategy. When set to `none`, CPU auto pinning is disabled. When set to `auto`, CPU auto pinning is enabled.
+
+## `network_get_target`
+
+Adds optional `target` parameter to `GET /1.0/network`. When target is set, forward the request to the specified cluster member and return the non managed interfaces from that member.
diff --git a/lxd/networks.go b/lxd/networks.go
index a86710f465d9..08c8fbdf7a35 100644
--- a/lxd/networks.go
+++ b/lxd/networks.go
@@ -200,6 +200,11 @@ func networkAccessHandler(entitlement auth.Entitlement) func(d *Daemon, r *http.
 //	    description: Project name
 //	    type: string
 //	    example: default
+//	  - in: query
+//	    name: target
+//	    description: Cluster member name
+//	    type: string
+//	    example: lxd01
 //	responses:
 //	  "200":
 //	    description: API endpoints
@@ -231,6 +236,12 @@ func networkAccessHandler(entitlement auth.Entitlement) func(d *Daemon, r *http.
 func networksGet(d *Daemon, r *http.Request) response.Response {
 	s := d.State()
 
+	// If a target was specified, forward the request to the relevant node.
+	resp := forwardedResponseIfTargetIsRemote(s, r)
+	if resp != nil {
+		return resp
+	}
+
 	requestProjectName := request.ProjectParam(r)
 	effectiveProjectName, reqProject, err := project.NetworkProject(s.DB.Cluster, requestProjectName)
 	if err != nil {
diff --git a/shared/version/api.go b/shared/version/api.go
index 84a109007f67..a654b85c9cf2 100644
--- a/shared/version/api.go
+++ b/shared/version/api.go
@@ -423,6 +423,7 @@ var APIExtensions = []string{
 	"network_ovn_uplink_vlan",
 	"state_logical_cpus",
 	"vm_limits_cpu_pin_strategy",
+	"network_get_target",
 }
 
 // APIExtensionsCount returns the number of available API extensions.