new: Added FreeBSD support to ConfigDrive

cloudinit/sources/DataSourceConfigDrive.py

@@ -37,7 +37,9 @@ DEFAULT_METADATA = {
 VALID_DSMODES = ("local", "net", "pass", "disabled")
 FS_TYPES = ('vfat', 'iso9660')
 LABEL_TYPES = ('config-2',)
-OPTICAL_DEVICES = tuple(('/dev/sr%s' % i for i in range(0, 2)))
+POSSIBLE_MOUNTS = ('sr', 'cd')
+OPTICAL_DEVICES = tuple(('/dev/%s%s' % (z,i) for z in POSSIBLE_MOUNTS
+                  for i in range(0, 2)))
 
 
 class DataSourceConfigDrive(openstack.SourceMixin, sources.DataSource):
@@ -70,7 +72,15 @@ class DataSourceConfigDrive(openstack.SourceMixin, sources.DataSource):
         if not found:
             for dev in find_candidate_devs():
                 try:
-                    results = util.mount_cb(dev, read_config_drive)
+                    # Set mtype if freebsd and turn off sync
+                    if dev.startswith("/dev/cd"):
+                        mtype = "cd9660"
+                        sync  = False
+                    else:
+                        mtype = None
+                        sync  = True
+                    results = util.mount_cb(dev, read_config_drive, mtype=mtype,
+                                            sync=sync)
                     found = dev
                 except openstack.NonReadable:
                     pass

cloudinit/util.py

@@ -1294,12 +1294,16 @@ def ensure_dir(path, mode=None):
 
 
 @contextlib.contextmanager
-def unmounter(umount):
+def unmounter(umount, lazy_support=True):
     try:
         yield umount
     finally:
         if umount:
-            umount_cmd = ["umount", '-l', umount]
+            # Do not use Lazy Mode on some systems (freebsd)
+            if lazy_support:
+                umount_cmd = ["umount", '-l', umount]
+            else:
+                umount_cmd = ["umount", umount]
             subp(umount_cmd)
 
 
@@ -1382,7 +1386,12 @@ def mount_cb(device, callback, data=None, rw=False, mtype=None, sync=True):
         # Be nice and ensure it ends with a slash
         if not mountpoint.endswith("/"):
             mountpoint += "/"
-        with unmounter(umount):
+        # Set lazy_support to false if FreeBSD
+        if device.startswith("/dev/cd"):
+            lazy_support = False
+        else:
+            lazy_support = True
+        with unmounter(umount,lazy_support):
             if data is None:
                 ret = callback(mountpoint)
             else: