Paul Brett created MESOS-2903:
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Summary: Network isolator should not fail when target state
already exists
Key: MESOS-2903
URL: https://issues.apache.org/jira/browse/MESOS-2903
Project: Mesos
Issue Type: Bug
Components: isolation
Reporter: Paul Brett
Network isolator has multiple instances of the following pattern:
{noformat}
Try<bool> something = ....::create();
if (something.isError()) {
++metrics.something_errors;
return Failure("Failed to create something ...")
} else if (!icmpVethToEth0.get()) {
++metrics.adding_veth_icmp_filters_already_exist;
return Failure("Something already exists");
}
{noformat}
These failures have occurred in operation due to the failure to recover or
delete an orphan, causing the slave to remain on line but unable to create new
resources. We should convert the second failure message in this pattern to
an information message since the final state of the system is the state that we
requested.
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