ec2_eni: change data type of device_index to str when passing it to api as expected by api call

changelogs/fragments/877-ec2_eni-device_index-data-change-type-to-str.yml

@@ -0,0 +1,2 @@
+minor_changes:
+- ec2_eni - Change parameter ``device_index`` data type to string when passing to `describe_network_inter` api call (https://github.com/ansible-collections/amazon.aws/pull/877).

plugins/modules/ec2_eni.py

@@ -761,7 +761,7 @@ def uniquely_find_eni(connection, module, eni=None):
         filters.append({'Name': 'attachment.instance-id',
                         'Values': [instance_id]})
         filters.append({'Name': 'attachment.device-index',
-                        'Values': [device_index]})
+                        'Values': [str(device_index)]})
 
     if name and subnet_id and not filters:
         filters.append({'Name': 'tag:Name',

tests/integration/targets/ec2_eni/tasks/main.yaml

@@ -83,6 +83,9 @@
   - name: test attaching and detaching network interfaces
     include_tasks: ./test_attachment.yaml
 
+  - name: test attaching and detaching multiple network interfaces
+    include_tasks: ./test_create_attached_multiple.yml
+
   - name: test modifying source_dest_check
     include_tasks: ./test_modifying_source_dest_check.yaml
 

tests/integration/targets/ec2_eni/tasks/test_create_attached_multiple.yml

@@ -0,0 +1,121 @@
+---
+  - name: Create instance to test attaching and detaching network interfaces for this test
+    ec2_instance:
+      name: "{{ resource_prefix }}-instance"
+      image_id: "{{ ec2_ami_id }}"
+      vpc_subnet_id: "{{ vpc_subnet_id }}"
+      instance_type: t2.micro
+    register: ec2_instances
+
+  - name: set variable for the instance ID
+    set_fact:
+      instance_id_3: "{{ ec2_instances.instances[0].instance_id }}"
+
+#=================================================================
+
+  - name: Create and attach another interface to above instance - check_mode
+    amazon.aws.ec2_eni:
+      name: "{{ resource_prefix }}-eni"
+      instance_id: "{{ instance_id_3 }}"
+      device_index: 1
+      subnet_id: "{{ vpc_subnet_id }}"
+      state: present
+      attached: true
+      delete_on_termination: true
+    check_mode: true
+    register: result
+
+  # Get the instance info and ENI info to verify attachment of second eni
+  - ec2_instance_info:
+      instance_ids:
+        - "{{ instance_id_3 }}"
+    register: instance_info_result
+
+  - assert:
+      that:
+        - result is changed
+        - result is not failed
+        - instance_info_result.instances[0].network_interfaces | length == 1
+        - '"Would have created ENI if not in check mode." in result.msg'
+        - "'ec2:CreateNetworkInterface' not in {{ result.resource_actions }}"
+
+  - name: Create and attach another interface to above instance
+    amazon.aws.ec2_eni:
+      name: "{{ resource_prefix }}-eni"
+      instance_id: "{{ instance_id_3 }}"
+      device_index: 1
+      subnet_id: "{{ vpc_subnet_id }}"
+      state: present
+      attached: true
+      delete_on_termination: true
+    register: result
+
+  - name: Set variable for the ENI ID
+    set_fact:
+      eni_id_attached_multiple: "{{ result.interface.id }}"
+
+  # Get the instance info and ENI info to verify attachment of second eni
+  - ec2_instance_info:
+      instance_ids:
+        - "{{ instance_id_3 }}"
+    register: instance_info_result
+  - ec2_eni_info:
+      eni_id: "{{ eni_id_attached_multiple }}"
+    register: eni_info
+
+  - name: Assert that the interface attachment was successful
+    assert:
+      that:
+        - result is changed
+        - result is not failed
+        - instance_info_result.instances[0].network_interfaces | length == 2
+        - eni_info.network_interfaces[0].attachment.instance_id == instance_id_3
+        - eni_info.network_interfaces[0].attachment.device_index == 1
+
+  - name: Create and attach another interface to above instance - check_mode - idempotent
+    amazon.aws.ec2_eni:
+      name: "{{ resource_prefix }}-eni"
+      instance_id: "{{ instance_id_3 }}"
+      device_index: 1
+      subnet_id: "{{ vpc_subnet_id }}"
+      state: present
+      attached: true
+      delete_on_termination: true
+    check_mode: true
+    register: result
+
+  # Get the instance info and ENI info to verify attachment of second eni
+  - ec2_instance_info:
+      instance_ids:
+        - "{{ instance_id_3 }}"
+    register: instance_info_result
+
+  - name: Assert that the interface would have been modified if not in check_mode
+    assert:
+      that:
+        - result is changed
+        - result is not failed
+        - instance_info_result.instances[0].network_interfaces | length == 2
+        - '"Would have modified ENI: {{ eni_id_attached_multiple }} if not in check mode" in result.msg'
+        - "'ec2:CreateNetworkInterface' not in {{ result.resource_actions }}"
+        - "'ec2:ModifyNetworkInterfaceAttribute' not in {{ result.resource_actions }}"
+
+#=================================================================
+
+  - name: remove the network interface created in this test
+    ec2_eni:
+      eni_id: "{{ eni_id_attached_multiple }}"
+      force_detach: True
+      state: absent
+    ignore_errors: true
+    retries: 5
+
+  - name: terminate the instance created in this test
+    ec2_instance:
+      state: absent
+      instance_ids:
+        - "{{ instance_id_3 }}"
+      wait: True
+    ignore_errors: true
+    retries: 5
+    when: instance_id_3 is defined