Simplify and fix azure role

Simplified and fixed the azure role in order to work seamlessly via
command-line Ansible and via AWX.

Author: mcappadonna

roles/azure/tasks/power_off.yaml

@@ -1,40 +1,21 @@
 ---
 
-- name: "Power: Load all variables"
-  include_vars:
-    file: "{{ ansible_inventory_sources[0] }}/group_vars/all.yaml"
-  register: global_vars
-  changed_when: false
-  delegate_to: localhost
-
-- name: "Power: Load VMs variables"
-  include_vars:
-    file: "{{ ansible_inventory_sources[0] }}/host_vars/{{ vm }}.yaml"
-  loop: "{{ vms }}"
-  loop_control:
-    loop_var: vm
-  register: vms_vars
-  changed_when: false
-  delegate_to: localhost
-
 - name: "Power: Power off VMs"
   azure.azcollection.azure_rm_virtualmachine:
-    name: "{{ vm_var.vm.split('.')[0] }}"
+    name: "{{ vm.split('.')[0] }}"
     allocated: no
     resource_group: "{{ azure_resource_group_name }}"
     client_id: "{{ azure_client_id }}"
     secret: "{{ azure_client_secret }}"
     subscription_id: "{{ azure_subscription_id }}"
     tenant: "{{ azure_tenant_id }}"
-  loop: "{{ vms_vars.results }}"
+  loop: "{{ vms }}"
   loop_control:
-    loop_var: vm_var
+    loop_var: vm
   changed_when: false
   when:
-    - global_vars.ansible_facts.azure_vm_keep_running is defined
-    - not global_vars.ansible_facts.azure_vm_keep_running
-    - vm_var.ansible_facts.azure_vm_keep_running is not defined or
-      not vm_var.ansible_facts.azure_vm_keep_running
+    - hostvars[vm].azure_vm_keep_running is defined
+    - not hostvars[vm].azure_vm_keep_running
   delegate_to: localhost
   register: azure_power_off_async_results
   async: 600
@@ -43,16 +24,15 @@
 - name: "Wait for VMs to be unreachable"
   wait_for:
     port: 22
-    host: "{{ vm_var.vm }}"
+    host: "{{ vm }}"
     state: stopped
   connection: local
-  loop: "{{ vms_vars.results }}"
+  loop: "{{ vms }}"
   loop_control:
-    loop_var: vm_var
+    loop_var: vm
   retries: 60
   delay: 10
   when:
-    - global_vars.ansible_facts.azure_vm_keep_running is defined
-    - not global_vars.ansible_facts.azure_vm_keep_running
-    - vm_var.ansible_facts.azure_vm_keep_running is not defined or
-      not vm_var.ansible_facts.azure_vm_keep_running
+    - hostvars[vm].azure_vm_keep_running is defined
+    - not hostvars[vm].azure_vm_keep_running
+  delegate_to: localhost