Synnefo » snf-ganeti » ganeti-local

echo Checking rebalancing

# we generate a cluster with two node groups, one with unallocable

# policy, then we change all nodes from this group to the allocable

# one, and we check for rebalancing

FROOT="$T/simu-rebal-orig"

hspace --simu p,4,8T,64g,16 --simu u,4,8T,64g,16 \

  -S $FROOT --disk-template drbd -l 8 >/dev/null 2>&1

for suffix in standard tiered; do

  RELOC="$T/simu-rebal-merged.$suffix"

  # this relocates the nodes

  sed -re 's/^(node-.*|fake-uuid-)-02(|.*)/\1-01\2/' \

    < $FROOT.$suffix > $RELOC

  BACKEND="-t$RELOC"

  hinfo -v -v -p --print-instances $BACKEND >/dev/null 2>&1

  hbal -v -v -v -p --print-instances $BACKEND -G group-01 2>/dev/null | \

    grep -qE -v "(Nothing to do, exiting|No solution found)"

  hbal $BACKEND -G group-01 -C$T/rebal-cmds.$suffix \

    -S $T/simu-rebal.$suffix >/dev/null 2>&1

  grep -qE "gnt-instance (failover|migrate|replace-disks)" \

    $T/rebal-cmds.$suffix

  hbal $BACKEND -G group-01 -C \

    -S $T/simu-rebal.$suffix 2>/dev/null | \

    grep -qE "gnt-instance (failover|migrate|replace-disks)"

  # state saved by hbal should be original

  cmp $RELOC $T/simu-rebal.$suffix.original

  # and we can't double rebalance

  hbal -t $T/simu-rebal.$suffix.balanced \

    -G group-01 | \

    grep -qE "(Nothing to do, exiting|No solution found)"

done

echo OK