Retry connections to WConfD
Retry connections to WConfD

With jobs as processes, it is by design that WConfD might
be restarted while jobs are running. Therefore, retry any
attempt to connect to WConfD several times.

Signed-off-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>
Reviewed-by: Petr Pudlak <9d19625f8ee825a2c398462ed335cbcf98f79c32@google.com>

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