add azure app service plan facts (#44156)

* add app service plan facts

* fix lint

* fix missed tags

* remove  azure_

* fix test random

test/integration/targets/azure_rm_appserviceplan/tasks/main.yml

@@ -2,7 +2,7 @@
   set_fact:
     linux_plan_resource_group: "{{ resource_group_secondary }}"
     win_plan_name: "{{ (resource_prefix | replace('-','x'))[-8:] }}winplan"
-    linux_plan_name: "{{ (resource_group_secondary | replace('-','x'))[-8:] }}linplan"
+    linux_plan_name: "{{ (resource_prefix | replace('-','x'))[-8:] }}linplan"
 
 - name: create a windows plan
   azure_rm_appserviceplan:
@@ -32,6 +32,18 @@
       - output.changed
       - output.id
 
+- name: get app service plan by name
+  azure_rm_appserviceplan_facts:
+    resource_group: "{{ linux_plan_resource_group }}"
+    name: "{{ linux_plan_name }}1"
+  register: output
+
+- name: assert is_linux is True
+  assert:
+    that:
+      - output.appserviceplans | length == 1
+      - output.appserviceplans[0].is_linux == True
+
 - name: create linux app service plan idempotent
   azure_rm_appserviceplan:
     resource_group: "{{ linux_plan_resource_group }}"