Added instance_profile_name to ec2 driver

molecule/cookiecutter/scenario/driver/ec2/{{cookiecutter.molecule_directory}}/{{cookiecutter.scenario_name}}/create.yml

@@ -82,6 +82,7 @@
  else {'instance': item.name} }}"
  wait: true
  assign_public_ip: true
+ instance_profile_name: "{{ item.instance_profile_name | default(omit) }}"
  exact_count: 1
  count_tag:
  instance: "{{ item.name }}"

molecule/driver/ec2.py

@@ -87,6 +87,20 @@ class EC2(Driver):
  instance_type: t2.micro
  vpc_subnet_id: subnet-1cb17175
 
+ If you want to attach an IAM role to the Molecule instance:
+
+ .. code-block:: yaml
+
+ driver:
+ name: ec2
+ platforms:
+ - name: instance
+ image_owner: 099720109477
+ image_name: ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-20190320
+ instance_type: t2.micro
+ vpc_subnet_id: subnet-1cb17175
+ instance_profile_name: example-iam-role
+
  Use wildcards for getting the latest image. For example, the latest Ubuntu bionic image:
 
  .. code-block:: yaml

molecule/test/resources/playbooks/ec2/create.yml

@@ -88,6 +88,7 @@
  instance: "{{ item.name }}"
  wait: true
  assign_public_ip: true
+ instance_profile_name: "{{ item.instance_profile_name | default(omit) }}"
  exact_count: 1
  count_tag:
  instance: "{{ item.name }}"

molecule/test/scenarios/driver/ec2/molecule/default/molecule.yml

@@ -12,6 +12,7 @@ platforms:
  image: ami-a5b196c0
  instance_type: t2.micro
  vpc_subnet_id: subnet-6456fd1f
+ instance_profile_name: instance-profile
 provisioner:
  name: ansible
  config_options:

molecule/test/scenarios/driver/ec2/molecule/multi-node/molecule.yml

@@ -12,13 +12,15 @@ platforms:
  image: ami-a5b196c0
  instance_type: t2.micro
  vpc_subnet_id: subnet-6456fd1f
+ instance_profile_name: instance-profile
  groups:
  - foo
  - bar
  - name: instance-2
  image: ami-a5b196c0
  instance_type: t2.micro
  vpc_subnet_id: subnet-6456fd1f
+ instance_profile_name: instance-profile
  groups:
  - foo
  - baz

molecule/test/unit/driver/test_ec2.py

@@ -217,6 +217,14 @@ def test_get_instance_config(mocker, _instance):
  assert x == _instance._get_instance_config('foo')
 
 
+def test_get_instance_profile(mocker, _instance):
+ m = mocker.patch('molecule.util.safe_load_file')
+ m.return_value = [{'instance': 'foo', 'instance_profile_name': 'instance-profile'}]
+
+ x = {'instance': 'foo', 'instance_profile_name': 'instance-profile'}
+ assert x == _instance._get_instance_config('foo')
+
+
 def test_created(_instance):
  assert 'false' == _instance._created()