docker_swarm inventory plugin: extend tests (#53913)

* Extend tests.

* Update BOTMETA so that docker* inventory tests are associated with .

.github/BOTMETA.yml

@@ -1115,7 +1115,7 @@ files:
 # plugins/inventory
   $plugins/inventory/__init__.py:
     support: core
-  $plugins/inventory/docker_swarm.py: *docker
+  $plugins/inventory/docker: *docker
   $plugins/inventory/gcp_compute.py:
     maintainers: $team_google
     supershipit: $team_google
@@ -1327,6 +1327,10 @@ files:
   test/integration/targets/gcp:
     maintainers: $team_google
     supershipit: $team_google
+  test/integration/targets/inventory_docker: *docker
+  test/integration/targets/inventory_docker_swarm:
+    <<: *docker
+    maintainers: $team_docker morph027
   test/integration/targets/meraki: *meraki
   test/integration/targets/mso: *aci
   test/integration/targets/mysql: *mysql

test/integration/targets/inventory_docker_swarm/inventory_2.docker_swarm.yml

@@ -0,0 +1,5 @@
+---
+plugin: docker_swarm
+host: unix://var/run/docker.sock
+verbose_output: no
+include_host_uri: yes

test/integration/targets/inventory_docker_swarm/playbooks/test_inventory_1.yml

@@ -29,6 +29,10 @@
       debug:
         var: ansible_host
 
+    - name: Make sure docker_swarm_node_attributes is available
+      assert:
+        that:
+          - docker_swarm_node_attributes is not undefined
     - name: Print docker_swarm_node_attributes per host
       debug:
         var: docker_swarm_node_attributes

test/integration/targets/inventory_docker_swarm/playbooks/test_inventory_2.yml

@@ -0,0 +1,15 @@
+---
+- hosts: all
+  connection: local  # otherwise Ansible will complain that it cannot connect via ssh to 127.0.0.1:22
+  tasks:
+    - name: Make sure docker_swarm_node_attributes is not available
+      assert:
+        that:
+          - docker_swarm_node_attributes is undefined
+    - name: Make sure ansible_host_uri is available
+      assert:
+        that:
+          - ansible_host_uri is defined
+    - name: Print ansible_host_uri
+      debug:
+        var: ansible_host_uri

test/integration/targets/inventory_docker_swarm/runme.sh

@@ -18,3 +18,6 @@ ansible-playbook playbooks/swarm_setup.yml
 
 echo "Test docker_swarm inventory 1"
 ansible-playbook -i inventory_1.docker_swarm.yml playbooks/test_inventory_1.yml
+
+echo "Test docker_swarm inventory 2"
+ansible-playbook -i inventory_2.docker_swarm.yml playbooks/test_inventory_2.yml