feat(regions): Filter Audited Regions (-f) (#1202)

* feat(filter-regions): Added -f and ebs encryption check.

* feat(filter-regions): Added -f and ebs encryption check.

* feat(regional_clients): add regional_clients.

* fix(global variables): created global variables

* chore(role option): Mixed -A/-R option including error handling

* fix(arn): import errors from error.py file

* fix(review_comments): Review PR comments.

Co-authored-by: sergargar <sergio@verica.io>
Co-authored-by: n4ch04 <nachor1992@gmail.com>

lib/arn/error.py

@@ -0,0 +1,43 @@
+class RoleArnParsingFailedMissingFields(Exception):
+    # The arn contains a numberof fields different than six separated by :"
+    def __init__(self):
+        self.message = "The assumed role arn contains a number of fields different than six separated by :, please input a valid arn"
+        super().__init__(self.message)
+
+
+class RoleArnParsingIAMRegionNotEmpty(Exception):
+    # The arn contains a non-empty value for region, since it is an IAM arn is not valid
+    def __init__(self):
+        self.message = "The assumed role arn contains a non-empty value for region, since it is an IAM arn is not valid, please input a valid arn"
+        super().__init__(self.message)
+
+
+class RoleArnParsingPartitionEmpty(Exception):
+    # The arn contains an empty value for partition
+    def __init__(self):
+        self.message = "The assumed role arn does not contain a value for partition, please input a valid arn"
+        super().__init__(self.message)
+
+
+class RoleArnParsingServiceNotIAM(Exception):
+    def __init__(self):
+        self.message = "The assumed role arn contains a value for service distinct than iam, please input a valid arn"
+        super().__init__(self.message)
+
+
+class RoleArnParsingInvalidAccountID(Exception):
+    def __init__(self):
+        self.message = "The assumed role arn contains a value for account id empty or invalid, a valid account id must be composed of 12 numbers, please input a valid arn"
+        super().__init__(self.message)
+
+
+class RoleArnParsingInvalidResourceType(Exception):
+    def __init__(self):
+        self.message = "The assumed role arn contains a value for resource type different than role, please input a valid arn"
+        super().__init__(self.message)
+
+
+class RoleArnParsingEmptyResource(Exception):
+    def __init__(self):
+        self.message = "The assumed role arn does not contain a value for resource, please input a valid arn"
+        super().__init__(self.message)