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Special case for Btrfs root: create subvolumes and mount them.

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Teo Mrnjavac 2016-11-10 15:58:05 +01:00 committed by Philip
parent c0b7b0bc27
commit 84b96b4f18
1 changed files with 53 additions and 0 deletions
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53
src/modules/mount/main.py
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@ -19,6 +19,7 @@
# along with Calamares. If not, see <http://www.gnu.org/licenses/>.
import tempfile
import subprocess
import libcalamares
@ -55,6 +56,58 @@ def mount_partitions(root_mount_point, partitions):
partition.get("options", ""),
)
# If the root partition is btrfs, we create a subvolume "@"
# for the root mount point.
# If a separate /home partition isn't defined, we also create
# a subvolume "@home".
# Finally we remount all of the above on the correct paths.
if fstype == "btrfs" and partition["mountPoint"] == '/':
has_home_mount_point = False
for p in partitions:
if "mountPoint" not in p or not p["mountPoint"]:
continue
if p["mountPoint"] == "/home":
has_home_mount_point = True
break
subprocess.check_call(['btrfs', 'subvolume', 'create',
root_mount_point + '/@'])
if not has_home_mount_point:
subprocess.check_call(['btrfs', 'subvolume', 'create',
root_mount_point + '/@home'])
subprocess.check_call(["umount", "-v", root_mount_point])
if "luksMapperName" in partition:
libcalamares.utils.mount("/dev/mapper/{!s}".format(partition["luksMapperName"]),
mount_point,
fstype,
",".join(["subvol=@",
partition.get("options", "")]),
)
if not has_home_mount_point:
libcalamares.utils.mount("/dev/mapper/{!s}".format(partition["luksMapperName"]),
root_mount_point + "/home",
fstype,
",".join(["subvol=@home",
partition.get("options", "")]),
)
else:
libcalamares.utils.mount(partition["device"],
mount_point,
fstype,
",".join(["subvol=@",
partition.get("options", "")]),
)
if not has_home_mount_point:
libcalamares.utils.mount(partition["device"],
root_mount_point + "/home",
fstype,
",".join(["subvol=@home",
partition.get("options", "")]),
)
def run():
""" Define mountpoints.