Add GPU runners.

Fix micromamba update.

configure-runners.yaml

@@ -2,7 +2,7 @@
   hosts: action_runners
   vars:
     # TODO: determine latest actions version automatically
-    actions_version: 2.311.0
+    actions_version: 2.321.0
     actions_path: /home/exouser/actions-runner
   vars_prompt:
     - name: token

hosts.yaml

@@ -13,12 +13,18 @@ all:
         ansible_user: exouser
 
       children:
-#        gpu:
-#          vars:
-#            labels: gpu-test
-#          hosts:
-#            actions-runner-1:
-#              ansible_host: 149.165.159.180
+        gpu:
+          vars:
+            labels: GPU
+          hosts:
+            actions-runner-gpu-0:
+              ansible_host: 149.165.168.66
+            actions-runner-gpu-1:
+              ansible_host: 149.165.174.153
+            actions-runner-gpu-2:
+              ansible_host: 149.165.170.93
+            actions-runner-gpu-3:
+              ansible_host: 149.165.172.12
 
         cpu:
           vars:

update-instances.yaml

@@ -16,6 +16,8 @@
     - name: Update miniforge
       when: "'action_runner_managers' in group_names"
       ansible.builtin.command: "{{ miniforge_path }}/bin/mamba update --all -y"
+      environment:
+        MAMBA_ROOT_PREFIX: /home/exouser/miniforge3
 
     - name: Update jetstream2-admin clone
       when: "'action_runner_managers' in group_names"