add DragonFlyBSD support (#904)

- Mostly based on FreeBSD, the main exception is that
  `find_devs_with_on_freebsd` does not work.
- Since we cannot get the CDROM or the partition labels,
  `find_devs_with_on_dragonflybsd()` has a more naive approach and
  returns all the block devices.

1 files changed, 25 insertions, 0 deletions

diff --git a/tests/unittests/test_distros/test_dragonflybsd.py b/tests/unittests/test_distros/test_dragonflybsd.py
new file mode 100644
index 00000000..df2c00f4
--- /dev/null
+++ b/tests/unittests/test_distros/test_dragonflybsd.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+
+import cloudinit.util
+from cloudinit.tests.helpers import mock
+
+
+def test_find_dragonflybsd_part():
+    assert cloudinit.util.find_dragonflybsd_part("/dev/vbd0s3") == "vbd0s3"
+
+
+@mock.patch("cloudinit.util.is_DragonFlyBSD")
+@mock.patch("cloudinit.subp.subp")
+def test_parse_mount(mock_subp, m_is_DragonFlyBSD):
+    mount_out = """
+vbd0s3 on / (hammer2, local)
+devfs on /dev (devfs, nosymfollow, local)
+/dev/vbd0s0a on /boot (ufs, local)
+procfs on /proc (procfs, local)
+tmpfs on /var/run/shm (tmpfs, local)
+"""
+
+    mock_subp.return_value = (mount_out, "")
+    m_is_DragonFlyBSD.return_value = True
+    assert cloudinit.util.parse_mount("/") == ("vbd0s3", "hammer2", "/")