nvidia: use nvidia-persistenced service

roles/docker/defaults/main.yml

@@ -112,7 +112,7 @@ docker_ipv6: "{{ dns.ipv6 }}"
 
 # Service
 
-docker_service_after: "{{ mergerfs_service_name }}"
+docker_service_after: "{{ mergerfs_service_name + (' nvidia-persistenced.service' if gpu.nvidia else '') }}"
 
 docker_service_sleep: "{{ 0 if continuous_integration else 120 }}"
 

roles/docker/templates/override.conf.j2

@@ -18,8 +18,5 @@ Requires={{ docker_service_after }}
 {% endif %}
 
 [Service]
-{% if gpu.nvidia %}
-ExecStartPre=/usr/bin/nvidia-ctk system create-dev-char-symlinks --create-all --load-kernel-modules --create-device-nodes
-{% endif %}
 ExecStartPre=/bin/sleep {{ docker_service_sleep }}
 

roles/nvidia/files/nvidia-persistenced.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=NVIDIA Persistence Daemon
+Wants=syslog.target
+
+[Service]
+Type=forking
+ExecStart=/usr/bin/nvidia-persistenced
+ExecStartPre=/usr/bin/nvidia-ctk system create-dev-char-symlinks --create-all --load-kernel-modules --create-device-nodes
+ExecStopPost=/bin/rm -rf /var/run/nvidia-persistenced
+
+[Install]
+WantedBy=multi-user.target

roles/nvidia/tasks/subtasks/docker.yml

@@ -84,12 +84,23 @@
     state: stopped
   when: docker_service_running
 
-- name: "Daemon | Import override file"
-  ansible.builtin.template:
-    src: "/srv/git/saltbox/roles/docker/templates/override.conf.j2"
-    dest: "/etc/systemd/system/docker.service.d/override.conf"
+- name: Docker | Import 'nvidia-persistenced.service'
+  ansible.builtin.copy:
+    src: nvidia-persistenced.service
+    dest: "/etc/systemd/system/nvidia-persistenced.service"
+    owner: "root"
+    group: "root"
     mode: "0644"
-    force: "{{ docker_service_force }}"
+
+- name: Docker | Run systemd daemon-reload
+  ansible.builtin.systemd_service:
+    daemon_reload: true
+
+- name: Docker | Start nvidia-persistenced service
+  ansible.builtin.systemd_service:
+    name: nvidia-persistenced.service
+    state: started
+    enabled: true
 
 # https://github.com/linkernetworks/vortex-installer/blob/master/roles/common/tasks/nvidia-docker.yml
 - name: Docker | Add runtime to '/etc/docker/daemon.json'
@@ -101,7 +112,7 @@
     state: started
   when: docker_service_running
 
-- name: Docker Service Running
+- name: Docker | Docker Service Running
   when: docker_service_running and (docker_running_containers.stdout | trim | length > 0)
   block:
     - name: "Docker | Initialize Gluetun variable"