vstart: set fsid in [global]

If not set, commands that rely on --show-config-value fsid or something
equivalent will fail. ceph-disk does, for instance and setting the fsid
in CEPH_ARGS won't help because it will be appended after
--show-config-value :

    CEPH_ARGS="--fsid 96a3abe6-7552-4635-a79b-f3c096ff8b95" ./ceph-mon --cluster=ceph --name=osd. --show_args --show-config-value fsid
    args: --cluster=ceph --name=osd. --show_args --show-config-value fsid --fsid 96a3abe6-7552-4635-a79b-f3c096ff8b95
    00000000-0000-0000-0000-000000000000

Signed-off-by: Loic Dachary <loic@dachary.org>

diff --git a/src/vstart.sh b/src/vstart.sh
index b79d7c1ad0f41ed5bb796f67ddd5e8a0bc00e650..fe1c255d73333dd068d409c8b85ecdff71672ef7 100755 (executable)
--- a/src/vstart.sh
+++ b/src/vstart.sh
@@ -322,6 +322,7 @@ if [ "$start_mon" -eq 1 ]; then
                        cat <<EOF > $conf
 ; generated by vstart.sh on `date`
 [global]
+        fsid = $(uuidgen)
         osd pg bits = 3
         osd pgp bits = 5  ; (invalid, but ceph should cope!)
         osd crush chooseleaf type = 0