freebsd: ability to grow root file system

- UFS file system support
- GPT partition table support
- add support for newfs's -L parameter (label)
- move freebsd specific test from Azure to freebsd

6 files changed, 64 insertions, 38 deletions

diff --git a/cloudinit/config/cc_growpart.py b/cloudinit/config/cc_growpart.py
index bafca9d8..564f376f 100644
--- a/cloudinit/config/cc_growpart.py
+++ b/cloudinit/config/cc_growpart.py
@@ -215,7 +215,8 @@ def device_part_info(devpath):
     # FreeBSD doesn't know of sysfs so just get everything we need from
     # the device, like /dev/vtbd0p2.
     if util.is_FreeBSD():
-        m = re.search('^(/dev/.+)p([0-9])$', devpath)
+        freebsd_part = "/dev/" + util.find_freebsd_part(devpath)
+        m = re.search('^(/dev/.+)p([0-9])$', freebsd_part)
         return (m.group(1), m.group(2))
 
     if not os.path.exists(syspath):
diff --git a/cloudinit/config/cc_resizefs.py b/cloudinit/config/cc_resizefs.py
index 076b9d5a..afd2e060 100644
--- a/cloudinit/config/cc_resizefs.py
+++ b/cloudinit/config/cc_resizefs.py
@@ -81,7 +81,7 @@ def _resize_xfs(mount_point, devpth):
 
 
 def _resize_ufs(mount_point, devpth):
-    return ('growfs', '-y', devpth)
+    return ('growfs', '-y', mount_point)
 
 
 def _resize_zfs(mount_point, devpth):
@@ -101,7 +101,7 @@ def _can_skip_resize_ufs(mount_point, devpth):
     """
     # dumpfs -m /
     # newfs command for / (/dev/label/rootfs)
-      newfs -O 2 -U -a 4 -b 32768 -d 32768 -e 4096 -f 4096 -g 16384
+      newfs -L rootf -O 2 -U -a 4 -b 32768 -d 32768 -e 4096 -f 4096 -g 16384
             -h 64 -i 8192 -j -k 6408 -m 8 -o time -s 58719232 /dev/label/rootf
     """
     cur_fs_sz = None
@@ -110,7 +110,7 @@ def _can_skip_resize_ufs(mount_point, devpth):
     for line in dumpfs_res.splitlines():
         if not line.startswith('#'):
             newfs_cmd = shlex.split(line)
-            opt_value = 'O:Ua:s:b:d:e:f:g:h:i:jk:m:o:'
+            opt_value = 'O:Ua:s:b:d:e:f:g:h:i:jk:m:o:L:'
             optlist, _args = getopt.getopt(newfs_cmd[1:], opt_value)
             for o, a in optlist:
                 if o == "-s":
diff --git a/cloudinit/util.py b/cloudinit/util.py
index ea4199cd..aa23b3f3 100644
--- a/cloudinit/util.py
+++ b/cloudinit/util.py
@@ -2337,17 +2337,21 @@ def parse_mtab(path):
     return None
 
 
-def find_freebsd_part(label_part):
-    if label_part.startswith("/dev/label/"):
-        target_label = label_part[5:]
-        (label_part, _err) = subp(['glabel', 'status', '-s'])
-        for labels in label_part.split("\n"):
+def find_freebsd_part(fs):
+    splitted = fs.split('/')
+    if len(splitted) == 3:
+        return splitted[2]
+    elif splitted[2] in ['label', 'gpt', 'ufs']:
+        target_label = fs[5:]
+        (part, _err) = subp(['glabel', 'status', '-s'])
+        for labels in part.split("\n"):
             items = labels.split()
-            if len(items) > 0 and items[0].startswith(target_label):
-                label_part = items[2]
+            if len(items) > 0 and items[0] == target_label:
+                part = items[2]
                 break
-        label_part = str(label_part)
-    return label_part
+        return str(part)
+    else:
+        LOG.warning("Unexpected input in find_freebsd_part: %s", fs)
 
 
 def get_path_dev_freebsd(path, mnt_list):
diff --git a/tests/unittests/test_datasource/test_azure.py b/tests/unittests/test_datasource/test_azure.py
index 427ab7e7..afb614e4 100644
--- a/tests/unittests/test_datasource/test_azure.py
+++ b/tests/unittests/test_datasource/test_azure.py
@@ -6,7 +6,6 @@ from cloudinit import url_helper
 from cloudinit.sources import (
     UNSET, DataSourceAzure as dsaz, InvalidMetaDataException)
 from cloudinit.util import (b64e, decode_binary, load_file, write_file,
-                            find_freebsd_part, get_path_dev_freebsd,
                             MountFailedError, json_dumps, load_json)
 from cloudinit.version import version_string as vs
 from cloudinit.tests.helpers import (
@@ -391,29 +390,6 @@ scbus-1 on xpt0 bus 0
         dev = ds.get_resource_disk_on_freebsd(1)
         self.assertEqual("da1", dev)
 
-    @mock.patch('cloudinit.util.subp')
-    def test_find_freebsd_part_on_Azure(self, mock_subp):
-        glabel_out = '''
-gptid/fa52d426-c337-11e6-8911-00155d4c5e47  N/A  da0p1
-                              label/rootfs  N/A  da0p2
-                                label/swap  N/A  da0p3
-'''
-        mock_subp.return_value = (glabel_out, "")
-        res = find_freebsd_part("/dev/label/rootfs")
-        self.assertEqual("da0p2", res)
-
-    def test_get_path_dev_freebsd_on_Azure(self):
-        mnt_list = '''
-/dev/label/rootfs  /                ufs     rw              1 1
-devfs              /dev             devfs   rw,multilabel   0 0
-fdescfs            /dev/fd          fdescfs rw              0 0
-/dev/da1s1         /mnt/resource    ufs     rw              2 2
-'''
-        with mock.patch.object(os.path, 'exists',
-                               return_value=True):
-            res = get_path_dev_freebsd('/etc', mnt_list)
-            self.assertIsNotNone(res)
-
     @mock.patch(MOCKPATH + '_is_platform_viable')
     def test_call_is_platform_viable_seed(self, m_is_platform_viable):
         """Check seed_dir using _is_platform_viable and return False."""
diff --git a/tests/unittests/test_distros/test_freebsd.py b/tests/unittests/test_distros/test_freebsd.py
new file mode 100644
index 00000000..8af253a2
--- /dev/null
+++ b/tests/unittests/test_distros/test_freebsd.py
@@ -0,0 +1,45 @@
+# This file is part of cloud-init. See LICENSE file for license information.
+
+from cloudinit.util import (find_freebsd_part, get_path_dev_freebsd)
+from cloudinit.tests.helpers import (CiTestCase, mock)
+
+import os
+
+
+class TestDeviceLookUp(CiTestCase):
+
+    @mock.patch('cloudinit.util.subp')
+    def test_find_freebsd_part_label(self, mock_subp):
+        glabel_out = '''
+gptid/fa52d426-c337-11e6-8911-00155d4c5e47  N/A  da0p1
+                              label/rootfs  N/A  da0p2
+                                label/swap  N/A  da0p3
+'''
+        mock_subp.return_value = (glabel_out, "")
+        res = find_freebsd_part("/dev/label/rootfs")
+        self.assertEqual("da0p2", res)
+
+    @mock.patch('cloudinit.util.subp')
+    def test_find_freebsd_part_gpt(self, mock_subp):
+        glabel_out = '''
+                                gpt/bootfs  N/A  vtbd0p1
+gptid/3f4cbe26-75da-11e8-a8f2-002590ec6166  N/A  vtbd0p1
+                                gpt/swapfs  N/A  vtbd0p2
+                                gpt/rootfs  N/A  vtbd0p3
+                            iso9660/cidata  N/A  vtbd2
+'''
+        mock_subp.return_value = (glabel_out, "")
+        res = find_freebsd_part("/dev/gpt/rootfs")
+        self.assertEqual("vtbd0p3", res)
+
+    def test_get_path_dev_freebsd_label(self):
+        mnt_list = '''
+/dev/label/rootfs  /                ufs     rw              1 1
+devfs              /dev             devfs   rw,multilabel   0 0
+fdescfs            /dev/fd          fdescfs rw              0 0
+/dev/da1s1         /mnt/resource    ufs     rw              2 2
+'''
+        with mock.patch.object(os.path, 'exists',
+                               return_value=True):
+            res = get_path_dev_freebsd('/etc', mnt_list)
+            self.assertIsNotNone(res)
diff --git a/tests/unittests/test_handler/test_handler_resizefs.py b/tests/unittests/test_handler/test_handler_resizefs.py
index 35187847..db9a0414 100644
--- a/tests/unittests/test_handler/test_handler_resizefs.py
+++ b/tests/unittests/test_handler/test_handler_resizefs.py
@@ -147,7 +147,7 @@ class TestResizefs(CiTestCase):
     def test_resize_ufs_cmd_return(self):
         mount_point = '/'
         devpth = '/dev/sda2'
-        self.assertEqual(('growfs', '-y', devpth),
+        self.assertEqual(('growfs', '-y', mount_point),
                          _resize_ufs(mount_point, devpth))
 
     @mock.patch('cloudinit.util.is_container', return_value=False)