Refactor: move service stop orchestration to hook configuration level

Replace stop-services-for-mode and stop-services-for-config with a single stop-services function. Build the complete stop sequence in hooks-default.yaml by invoking stop-services and stop_driver_services separately.
This removes

Signed-off-by: Carlos Eduardo Arango Gutierrez <[email protected]>

Author: ArangoGutierrez

deployments/systemd/hooks-default.yaml

@@ -7,11 +7,14 @@ hooks:
     pre-apply-mode:
     - workdir: "/etc/nvidia-mig-manager"
       command: "/bin/bash"
-      args: ["-x", "-c", "source hooks.sh; stop-services-for-mode"]
+      args: ["-x", "-c", "source hooks.sh; stop-services"]
+    - workdir: "/etc/nvidia-mig-manager"
+      command: "/bin/bash"
+      args: ["-x", "-c", "source hooks.sh; stop_driver_services"]
     pre-apply-config:
     - workdir: "/etc/nvidia-mig-manager"
       command: "/bin/bash"
-      args: ["-x", "-c", "source hooks.sh; stop-services-for-config"]
+      args: ["-x", "-c", "source hooks.sh; stop-services"]
     apply-exit:
     - workdir: "/etc/nvidia-mig-manager"
       command: "/bin/bash"

deployments/systemd/hooks.sh

@@ -46,28 +46,9 @@ function persist-config() {
 	return 0
 }
 
-# stop-services-for-mode stops all GPU-dependent services (K8s workloads
-# and driver services) before applying MIG mode changes that require a
-# GPU reset.
-function stop-services-for-mode() {
-	stop_k8s_services
-	if [ "${?}" != "0" ]; then
-		return 1
-	fi
-	stop_k8s_pods
-	if [ "${?}" != "0" ]; then
-		return 1
-	fi
-	stop_driver_services
-	if [ "${?}" != "0" ]; then
-		return 1
-	fi
-	return 0
-}
-
-# stop-services-for-config stops Kubernetes services and pods before
-# applying MIG device configuration changes (no GPU reset required).
-function stop-services-for-config() {
+# stop-services stops Kubernetes services and pods before applying
+# MIG configuration changes.
+function stop-services() {
 	stop_k8s_services
 	if [ "${?}" != "0" ]; then
 		return 1