From 8a0a10b0d1ea459763206b80dbff56cf30674d97 Mon Sep 17 00:00:00 2001
From: Hugo Lopes Tavares <hltbra@gmail.com>
Date: Tue, 4 Nov 2014 16:56:56 -0500
Subject: [PATCH] Add support to filtering instances by source-dest-check

---
 moto/ec2/utils.py                |  1 +
 tests/test_ec2/test_instances.py | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/moto/ec2/utils.py b/moto/ec2/utils.py
index 7251ff0ba..9a91299b8 100644
--- a/moto/ec2/utils.py
+++ b/moto/ec2/utils.py
@@ -273,6 +273,7 @@ filter_dict_attribute_mapping = {
     'instance-state-name': 'state',
     'instance-id': 'id',
     'state-reason-code': '_state_reason.code',
+    'source-dest-check': 'source_dest_check',
 }
 
 def get_instance_value(instance, instance_attr):
diff --git a/tests/test_ec2/test_instances.py b/tests/test_ec2/test_instances.py
index 150544b49..f7b0ceaca 100644
--- a/tests/test_ec2/test_instances.py
+++ b/tests/test_ec2/test_instances.py
@@ -153,6 +153,24 @@ def test_get_instances_filtering_by_reason_code():
     reservations[0].instances.should.have.length_of(1)
     reservations[0].instances[0].id.should.equal(instance3.id)
 
+
+@mock_ec2
+def test_get_instances_filtering_by_source_dest_check():
+    conn = boto.connect_ec2()
+    reservation = conn.run_instances('ami-1234abcd', min_count=2)
+    instance1, instance2 = reservation.instances
+    conn.modify_instance_attribute(instance1.id, attribute='sourceDestCheck', value=False)
+
+    source_dest_check_false = conn.get_all_instances(filters={'source-dest-check': 'false'})
+    source_dest_check_true = conn.get_all_instances(filters={'source-dest-check': 'true'})
+
+    source_dest_check_false[0].instances.should.have.length_of(1)
+    source_dest_check_false[0].instances[0].id.should.equal(instance1.id)
+
+    source_dest_check_true[0].instances.should.have.length_of(1)
+    source_dest_check_true[0].instances[0].id.should.equal(instance2.id)
+
+
 @mock_ec2
 def test_get_instances_filtering_by_tag():
     conn = boto.connect_ec2()