Use multiple AWS regions in ansible-test. (#20429)

* Move ansible-test EnvironmentConfig to util.
* Use multiple AWS regions in ansible-test.

test/runner/lib/util.py

@@ -413,4 +413,58 @@ class CommonConfig(object):
         self.verbosity = args.verbosity  # type: int
 
 
+class EnvironmentConfig(CommonConfig):
+    """Configuration common to all commands which execute in an environment."""
+    def __init__(self, args, command):
+        """
+        :type args: any
+        """
+        super(EnvironmentConfig, self).__init__(args)
+
+        self.command = command
+
+        self.local = args.local is True
+
+        if args.tox is True or args.tox is False or args.tox is None:
+            self.tox = args.tox is True
+            self.tox_args = 0
+            self.python = args.python if 'python' in args else None  # type: str
+        else:
+            self.tox = True
+            self.tox_args = 1
+            self.python = args.tox  # type: str
+
+        self.docker = docker_qualify_image(args.docker)  # type: str
+        self.remote = args.remote  # type: str
+
+        self.docker_privileged = args.docker_privileged if 'docker_privileged' in args else False  # type: bool
+        self.docker_util = docker_qualify_image(args.docker_util if 'docker_util' in args else '')  # type: str
+        self.docker_pull = args.docker_pull if 'docker_pull' in args else False  # type: bool
+
+        self.tox_sitepackages = args.tox_sitepackages  # type: bool
+
+        self.remote_stage = args.remote_stage  # type: str
+        self.remote_aws_region = args.remote_aws_region  # type: str
+
+        self.requirements = args.requirements  # type: bool
+
+        self.python_version = self.python or '.'.join(str(i) for i in sys.version_info[:2])
+
+        self.delegate = self.tox or self.docker or self.remote
+
+        if self.delegate:
+            self.requirements = True
+
+
+def docker_qualify_image(name):
+    """
+    :type name: str
+    :rtype: str
+    """
+    if not name or any((c in name) for c in ('/', ':')):
+        return name
+
+    return 'ansible/ansible:%s' % name
+
+
 display = Display()  # pylint: disable=locally-disabled, invalid-name