Adding describe table end point

moto/dynamodb/models.py

@@ -1,4 +1,47 @@
+import datetime
+
 from moto.core import BaseBackend
+from .utils import unix_time
+
+
+class Table(object):
+
+    def __init__(self, name, hash_key_attr=None, hash_key_type=None,
+        range_key_attr=None, range_key_type=None, read_capacity=None,
+            write_capacity=None):
+        self.name = name
+        self.hash_key_attr = hash_key_attr
+        self.hash_key_type = hash_key_type
+        self.range_key_attr = range_key_attr
+        self.range_key_type = range_key_type
+        self.read_capacity = read_capacity
+        self.write_capacity = write_capacity
+        self.created_at = datetime.datetime.now()
+
+    @property
+    def describe(self):
+        return {"Table": {
+            "CreationDateTime": unix_time(self.created_at),
+            "KeySchema": {
+                "HashKeyElement": {
+                    "AttributeName": self.hash_key_attr,
+                    "AttributeType": self.hash_key_type
+                },
+                "RangeKeyElement": {
+                    "AttributeName": self.range_key_attr,
+                    "AttributeType": self.range_key_type
+                }
+            },
+            "ProvisionedThroughput": {
+                "ReadCapacityUnits": self.read_capacity,
+                "WriteCapacityUnits": self.write_capacity
+            },
+            "TableName": self.name,
+            "TableStatus": "ACTIVE",
+            "ItemCount": 0,
+            "TableSizeBytes": 0,
+        }
+    }
 
 
 class DynamoDBBackend(BaseBackend):
@@ -6,7 +49,7 @@ class DynamoDBBackend(BaseBackend):
     def __init__(self):
         self.tables = {}
 
-    def create_table(self, name):
-        self.tables[name] = None
+    def create_table(self, name, **params):
+        self.tables[name] = Table(name, **params)
 
 dynamodb_backend = DynamoDBBackend()

moto/dynamodb/responses.py

@@ -1,5 +1,6 @@
 import re
 import json
+
 from .models import dynamodb_backend
 
 
@@ -28,6 +29,11 @@ class DynamoHandler(object):
         response = {"TableNames": tables}
         return json.dumps(response)
 
+    def DescribeTable(self, uri, body, headers):
+        name = json.loads(body)['TableName']
+        table = dynamodb_backend.tables[name]
+        return json.dumps(table.describe)
+
 
 def handler(uri, body, headers):
     return DynamoHandler(uri, body, headers).dispatch()

moto/dynamodb/utils.py

@@ -0,0 +1,6 @@
+import datetime
+
+def unix_time(dt):
+    epoch = datetime.datetime.utcfromtimestamp(0)
+    delta = dt - epoch
+    return delta.total_seconds()