add smoke tests

tests/test_smoke.py

@@ -551,6 +551,44 @@ def test_gcp_image_id_dict_zone():
     run_one_test(test)
 
 
+@pytest.mark.aws
+def test_clone_disk_aws():
+    name = _get_cluster_name()
+    test = Test(
+        'clone_disk_aws',
+        [
+            f'sky launch -y -c {name} --cloud aws --region us-east-2 --retry-until-up "echo hello > ~/user_file.txt"',
+            f'sky launch --clone-disk-from {name} -y -c {name}-clone && exit 1 || true',
+            f'sky stop {name} -y',
+            f'sky launch --clone-disk-from {name} -y -c {name}-clone --region us-west-2 "cat ~/user_file.txt | grep hello"',
+            f'sky launch --clone-disk-from {name} -y -c {name}-clone-2 --region us-east-2 "cat ~/user_file.txt | grep hello"',
+            f'sky logs {name}-clone 1 --status',
+            f'sky logs {name}-clone-2 1 --status',
+        ],
+        f'sky down -y {name} {name}-clone {name}-clone-2',
+    )
+    run_one_test(test)
+
+
+@pytest.mark.gcp
+def test_clone_disk_gcp():
+    name = _get_cluster_name()
+    test = Test(
+        'clone_disk_gcp',
+        [
+            f'sky launch -y -c {name} --cloud gcp --zone us-east1-b --retry-until-up "echo hello > ~/user_file.txt"',
+            f'sky launch --clone-disk-from {name} -y -c {name}-clone && exit 1 || true',
+            f'sky stop {name} -y',
+            f'sky launch --clone-disk-from {name} -y -c {name}-clone --zone us-central1-a "cat ~/user_file.txt | grep hello"',
+            f'sky launch --clone-disk-from {name} -y -c {name}-clone-2 --zone us-east1-b "cat ~/user_file.txt | grep hello"',
+            f'sky logs {name}-clone 1 --status',
+            f'sky logs {name}-clone-2 1 --status',
+        ],
+        f'sky down -y {name} {name}-clone {name}-clone-2',
+    )
+    run_one_test(test)
+
+
 @pytest.mark.aws
 def test_image_no_conda():
     name = _get_cluster_name()