From a6606cbf42319320f9e67296fd9e65466027d016 Mon Sep 17 00:00:00 2001
From: Bert Blommers <bblommers@users.noreply.github.com>
Date: Sat, 28 Aug 2021 07:25:06 +0100
Subject: [PATCH] DynamoDB - Describe Endpoints (#3716)

---
 moto/dynamodb2/models/__init__.py     |  8 ++++++++
 moto/dynamodb2/responses.py           |  4 ++++
 tests/test_dynamodb2/test_dynamodb.py | 15 +++++++++++++++
 3 files changed, 27 insertions(+)

diff --git a/moto/dynamodb2/models/__init__.py b/moto/dynamodb2/models/__init__.py
index e9968e5c1..86f2f932d 100644
--- a/moto/dynamodb2/models/__init__.py
+++ b/moto/dynamodb2/models/__init__.py
@@ -1085,6 +1085,14 @@ class DynamoDBBackend(BaseBackend):
     def delete_table(self, name):
         return self.tables.pop(name, None)
 
+    def describe_endpoints(self):
+        return [
+            {
+                "Address": "dynamodb.{}.amazonaws.com".format(self.region_name),
+                "CachePeriodInMinutes": 1440,
+            }
+        ]
+
     def tag_resource(self, table_arn, tags):
         for table in self.tables:
             if self.tables[table].table_arn == table_arn:
diff --git a/moto/dynamodb2/responses.py b/moto/dynamodb2/responses.py
index 07c51da3c..66fba999c 100644
--- a/moto/dynamodb2/responses.py
+++ b/moto/dynamodb2/responses.py
@@ -190,6 +190,10 @@ class DynamoHandler(BaseResponse):
             er = "com.amazonaws.dynamodb.v20111205#ResourceNotFoundException"
             return self.error(er, "Requested resource not found")
 
+    def describe_endpoints(self):
+        response = {"Endpoints": self.dynamodb_backend.describe_endpoints()}
+        return dynamo_json_dump(response)
+
     def tag_resource(self):
         table_arn = self.body["ResourceArn"]
         tags = self.body["Tags"]
diff --git a/tests/test_dynamodb2/test_dynamodb.py b/tests/test_dynamodb2/test_dynamodb.py
index 2efcf6e26..97331e98b 100644
--- a/tests/test_dynamodb2/test_dynamodb.py
+++ b/tests/test_dynamodb2/test_dynamodb.py
@@ -6202,3 +6202,18 @@ def test_source_and_restored_table_items_are_not_linked():
     set(restored_table_guids).should.equal(
         set(guids_original) | set(guids_added_after_restore)
     )
+
+
+@mock_dynamodb2
+@pytest.mark.parametrize("region", ["eu-central-1", "ap-south-1"])
+def test_describe_endpoints(region):
+    client = boto3.client("dynamodb", region)
+    res = client.describe_endpoints()["Endpoints"]
+    res.should.equal(
+        [
+            {
+                "Address": "dynamodb.{}.amazonaws.com".format(region),
+                "CachePeriodInMinutes": 1440,
+            },
+        ]
+    )