Allowing rebalance to run silently
Allowing rebalance to run silently

Part of hcheck's simulation required us to silently run hbal. For that
purpose we expose iterateDepth and allow it to run silently.

Signed-off-by: Agata Murawska <4c8886dbe342c6966e25105100cfee09458faa93@google.com>
Reviewed-by: René Nussbaumer <bc755ac45a0e799d1d490cba76febc56d80cc5fc@google.com>

mbakke/ganeti,yiannist/ganeti,andir/ganeti,apyrgio/snf-ganeti,dimara/ganeti,andir/ganeti,apyrgio/snf-ganeti,ganeti/ganeti,leshchevds/ganeti,mbakke/ganeti,bitemyapp/ganeti,onponomarev/ganeti,leshchevds/ganeti,ganeti-github-testing/ganeti-test-1,ganeti-github-testing/ganeti-test-1,yiannist/ganeti,ganeti/ganeti,apyrgio/ganeti,dimara/ganeti,andir/ganeti,grnet/snf-ganeti,yiannist/ganeti,grnet/snf-ganeti,onponomarev/ganeti,apyrgio/ganeti,leshchevds/ganeti,ganeti/ganeti,mbakke/ganeti,bitemyapp/ganeti