fix failing tests

client/allocrunner/network_manager_linux.go

@@ -123,6 +123,12 @@ func netModeToIsolationMode(netMode string) drivers.NetIsolationMode {
 
 func newNetworkConfigurator(alloc *structs.Allocation, config *clientconfig.Config) NetworkConfigurator {
 	tg := alloc.Job.LookupTaskGroup(alloc.TaskGroup)
+
+	// Check if network stanza is given
+	if len(tg.Networks) == 0 {
+		return &hostNetworkConfigurator{}
+	}
+
 	switch strings.ToLower(tg.Networks[0].Mode) {
 	case "bridge":
 		return newBridgeNetworkConfigurator(context.Background(), config.BridgeNetworkName, config.BridgeNetworkAllocSubnet, config.CNIPath)

scheduler/generic_sched.go

@@ -484,8 +484,10 @@ func (s *GenericScheduler) computePlacements(destructive, place []placementResul
 			// Set fields based on if we found an allocation option
 			if option != nil {
 				resources := &structs.AllocatedResources{
-					Tasks:  option.TaskResources,
-					Shared: *option.GroupResources,
+					Tasks: option.TaskResources,
+				}
+				if option.AllocResources != nil {
+					resources.Shared = *option.AllocResources
 				}
 
 				// Create an allocation for this

scheduler/rank.go

@@ -21,7 +21,7 @@ type RankedNode struct {
 	FinalScore     float64
 	Scores         []float64
 	TaskResources  map[string]*structs.AllocatedTaskResources
-	GroupResources *structs.AllocatedSharedResources
+	AllocResources *structs.AllocatedSharedResources
 
 	// Allocs is used to cache the proposed allocations on the
 	// node. This can be shared between iterators that require it.
@@ -271,7 +271,7 @@ OUTER:
 
 			// Update the network ask to the offer
 			total.Shared.Networks = []*structs.NetworkResource{offer}
-			option.GroupResources = &structs.AllocatedSharedResources{
+			option.AllocResources = &structs.AllocatedSharedResources{
 				Networks: []*structs.NetworkResource{offer},
 				DiskMB:   int64(iter.taskGroup.EphemeralDisk.SizeMB),
 			}

scheduler/util.go

@@ -835,9 +835,12 @@ func genericAllocUpdateFn(ctx Context, stack Stack, evalID string) allocUpdateTy
 		newAlloc.Job = nil       // Use the Job in the Plan
 		newAlloc.Resources = nil // Computed in Plan Apply
 		newAlloc.AllocatedResources = &structs.AllocatedResources{
-			Tasks:  option.TaskResources,
-			Shared: *option.GroupResources,
+			Tasks: option.TaskResources,
 		}
+		if option.AllocResources != nil {
+			newAlloc.AllocatedResources.Shared = *option.AllocResources
+		}
+
 		// Use metrics from existing alloc for in place upgrade
 		// This is because if the inplace upgrade succeeded, any scoring metadata from
 		// when it first went through the scheduler should still be preserved. Using scoring