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udev: trigger on dmcrypted osd partitions

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Automatically map encrypted journal partitions.

For encrypted OSD partitions, map them, wait for the mapped device to
appear, and then ceph-disk-activate.

This is much simpler than doing the work in ceph-disk-activate.

Signed-off-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Sage Weil 2013-02-13 18:22:45 -08:00
parent c6ac0ddf91
commit e090a92a20
1 changed files with 16 additions and 0 deletions
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16
udev/95-ceph-osd.rules
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@ -3,3 +3,19 @@ ACTION=="add", SUBSYSTEM=="block", \
ENV{DEVTYPE}=="partition", \
ENV{ID_PART_ENTRY_TYPE}=="4fbd7e29-9d25-41b8-afd0-062c0ceff05d", \
RUN+="/usr/sbin/ceph-disk-activate --mount /dev/$name"
# Map journal if using dm-crypt
ACTION=="add" SUBSYSTEM=="block", \
ENV{DEVTYPE}=="partition", \
ENV{ID_PART_ENTRY_TYPE}=="45b0969e-9b03-4f30-b4c6-5ec00ceff106", \
RUN+="/sbin/cryptsetup --key-file /etc/ceph/dmcrypt-keys/$env{ID_PART_ENTRY_UUID} --key-size 256 create $env{ID_PART_ENTRY_UUID} /dev/$name"
# Map data device and
# activate ceph-tagged partitions
# for dm-crypted data devices
ACTION=="add" SUBSYSTEM=="block", \
ENV{DEVTYPE}=="partition", \
ENV{ID_PART_ENTRY_TYPE}=="4fbd7e29-9d25-41b8-afd0-5ec00ceff05d", \
RUN+="/sbin/cryptsetup --key-file /etc/ceph/dmcrypt-keys/$env{ID_PART_ENTRY_UUID} --key-size 256 create $env{ID_PART_ENTRY_UUID} /dev/$name", \
RUN+="bash -c 'while [ ! -e /dev/mapper/$env{ID_PART_ENTRY_UUID} ];do sleep 1; done'", \
RUN+="/usr/sbin/ceph-disk-activate --mount /dev/mapper/$env{ID_PART_ENTRY_UUID}"