Method removeSlave

src/master/allocator/mesos/hierarchical.cpp:1068–1109

void HierarchicalAllocatorProcess::removeSlave(
    const SlaveID& slaveId)
{
  CHECK(initialized);

  {
    const Slave& slave = *CHECK_NOTNONE(getSlave(slaveId));

    // untrackAllocatedResources() potentially removes allocation roles, thus
    // we need to untrack actually allocated resources in the roles tree first.
    roleTree.untrackAllocated(slaveId, slave.totalAllocated);

    // Untrack resources in roleTree and sorter.
    foreachpair (
        const FrameworkID& frameworkId,
        const Resources& resources,
        slave.getOfferedOrAllocated()) {
      untrackAllocatedResources(slaveId, frameworkId, resources);
    }

    roleSorter->removeSlave(slaveId);

    foreachvalue (const Owned<Sorter>& sorter, frameworkSorters) {
      sorter->removeSlave(slaveId);
    }

    roleTree.untrackReservations(slave.getTotal().reserved());

    const ResourceQuantities agentScalarQuantities =
        ResourceQuantities::fromScalarResources(slave.getTotal().scalars());

    CHECK_CONTAINS(totalScalarQuantities, agentScalarQuantities);
    totalScalarQuantities -= agentScalarQuantities;
  }

  slaves.erase(slaveId);
  allocationCandidates.erase(slaveId);

  removeFilters(slaveId);

  LOG(INFO) << "Removed agent " << slaveId;
}


void HierarchicalAllocatorProcess::updateSlave(