Add more shard iterator types.

moto/kinesis/responses.py

@@ -40,3 +40,44 @@ class KinesisResponse(BaseResponse):
         self.kinesis_backend.delete_stream(stream_name)
 
         return ""
+
+    def get_shard_iterator(self):
+        stream_name = self.parameters.get("StreamName")
+        shard_id = self.parameters.get("ShardId")
+        shard_iterator_type = self.parameters.get("ShardIteratorType")
+        starting_sequence_number = self.parameters.get("StartingSequenceNumber")
+
+        shard_iterator = self.kinesis_backend.get_shard_iterator(
+            stream_name, shard_id, shard_iterator_type, starting_sequence_number,
+        )
+
+        return json.dumps({
+            "ShardIterator": shard_iterator
+        })
+
+    def get_records(self):
+        shard_iterator = self.parameters.get("ShardIterator")
+        limit = self.parameters.get("Limit")
+
+        next_shard_iterator, records = self.kinesis_backend.get_records(shard_iterator, limit)
+
+        return json.dumps({
+            "NextShardIterator": next_shard_iterator,
+            "Records": [record.to_json() for record in records]
+        })
+
+    def put_record(self):
+        stream_name = self.parameters.get("StreamName")
+        partition_key = self.parameters.get("PartitionKey")
+        explicit_hash_key = self.parameters.get("ExplicitHashKey")
+        sequence_number_for_ordering = self.parameters.get("SequenceNumberForOrdering")
+        data = self.parameters.get("Data")
+
+        sequence_number, shard_id = self.kinesis_backend.put_record(
+            stream_name, partition_key, explicit_hash_key, sequence_number_for_ordering, data
+        )
+
+        return json.dumps({
+            "SequenceNumber": sequence_number,
+            "ShardId": shard_id,
+        })