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

3 files changed, 18 insertions, 13 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):