1 files changed, 58 insertions, 0 deletions
diff --git a/tests/integration_tests/bugs/test_lp1901011.py b/tests/integration_tests/bugs/test_lp1901011.py
new file mode 100644
index 00000000..2b47f0a8
--- /dev/null
+++ b/tests/integration_tests/bugs/test_lp1901011.py
@@ -0,0 +1,58 @@
+"""Integration test for LP: #1901011
+
+Ensure an ephemeral disk exists after boot.
+
+See https://github.com/canonical/cloud-init/pull/800
+"""
+import pytest
+
+from tests.integration_tests.clouds import IntegrationCloud
+
+
+@pytest.mark.azure
+@pytest.mark.parametrize('instance_type,is_ephemeral', [
+    ('Standard_DS1_v2', True),
+    ('Standard_D2s_v4', False),
+])
+def test_ephemeral(instance_type, is_ephemeral,
+                   session_cloud: IntegrationCloud, setup_image):
+    if is_ephemeral:
+        expected_log = (
+            "Ephemeral resource disk '/dev/disk/cloud/azure_resource' exists. "
+            "Merging default Azure cloud ephemeral disk configs."
+        )
+    else:
+        expected_log = (
+            "Ephemeral resource disk '/dev/disk/cloud/azure_resource' does "
+            "not exist. Not merging default Azure cloud ephemeral disk "
+            "configs."
+        )
+
+    with session_cloud.launch(
+        launch_kwargs={'instance_type': instance_type}
+    ) as client:
+        # Verify log file
+        log = client.read_from_file('/var/log/cloud-init.log')
+        assert expected_log in log
+
+        # Verify devices
+        dev_links = client.execute('ls /dev/disk/cloud')
+        assert 'azure_root' in dev_links
+        assert 'azure_root-part1' in dev_links
+        if is_ephemeral:
+            assert 'azure_resource' in dev_links
+            assert 'azure_resource-part1' in dev_links
+
+        # Verify mounts
+        blks = client.execute('lsblk -pPo NAME,TYPE,MOUNTPOINT')
+        root_device = client.execute(
+            'realpath /dev/disk/cloud/azure_root-part1'
+        )
+        assert 'NAME="{}" TYPE="part" MOUNTPOINT="/"'.format(
+            root_device) in blks
+        if is_ephemeral:
+            ephemeral_device = client.execute(
+                'realpath /dev/disk/cloud/azure_resource-part1'
+            )
+            assert 'NAME="{}" TYPE="part" MOUNTPOINT="/mnt"'.format(
+                ephemeral_device) in blks