Define ops_host in demo playbook

playbooks/demo_gpu_k8s.yml

@@ -1,6 +1,7 @@
 - hosts: all
   become: true
   vars:
+    ops_host: "172.16.11.120"
     master_ips:
       - "172.16.11.120"
     node_ips:

playbooks/roles/vhosts/gpu-k8s/tasks/install_cluster.yml

@@ -1,3 +1,10 @@
+- name: Install sealos CLI
+  shell: |
+    curl -sL https://raw.githubusercontent.com/labring/sealos/main/scripts/install.sh | bash -s {{ sealos_version }}
+  args:
+    executable: /bin/bash
+  when: inventory_hostname == (ops_host | default(master_ips | first))
+
 - name: Run sealos to create Kubernetes cluster
   shell: |
     sealos run \
@@ -10,4 +17,4 @@
       --cmd "{{ kubeadm_init_cmd }}"
   args:
     executable: /bin/bash
-  when: inventory_hostname == (master_ips | first)
+  when: inventory_hostname == (ops_host | default(master_ips | first))