Remove poolUtils as all job runs and nodes have a pool that can be ac…

…cessed by Pool() and GetPool() respectively. (#223) (#3912)

Co-authored-by: Eleanor Pratt <Eleanor.Pratt@gresearch.co.uk>

internal/scheduler/metrics.go

@@ -279,7 +279,7 @@ func (c *MetricsCollector) updateClusterMetrics(ctx *armadacontext.Context) ([]p
 	txn := c.jobDb.ReadTxn()
 	for _, executor := range executors {
 		for _, node := range executor.Nodes {
-			pool := GetNodePool(node, executor)
+			pool := node.GetPool()
 			clusterKey := clusterMetricKey{
 				cluster:  executor.Id,
 				pool:     pool,

internal/scheduler/pool_assigner.go

@@ -51,7 +51,7 @@ func (p *DefaultPoolAssigner) Refresh(ctx *armadacontext.Context) error {
 func (p *DefaultPoolAssigner) AssignPools(j *jobdb.Job) ([]string, error) {
 	// If Job has an active run then use the pool associated with the executor it was assigned to
 	if !j.Queued() && j.HasRuns() {
-		pool := GetRunPool(j.LatestRun(), p.nodeById[j.LatestRun().NodeId()], p.executorById[j.LatestRun().Executor()])
+		pool := j.LatestRun().Pool()
 		return []string{pool}, nil
 	}
 	// otherwise use the pools associated with the job

internal/scheduler/pool_assigner_test.go

@@ -26,10 +26,6 @@ func TestPoolAssigner_AssignPools(t *testing.T) {
 		WithQueued(false).
 		WithNewRun(cpuExecutor.Id, testfixtures.TestCluster()[0].Id, testfixtures.TestCluster()[0].Name, "", 0)
 
-	runningJobWithoutPoolSetOnLatestRunOrExistingAssociatedNode := queuedJob.
-		WithQueued(false).
-		WithNewRun(cpuExecutor.Id, "unknownNode", "unknownNode", "", 0)
-
 	tests := map[string]struct {
 		executorTimout time.Duration
 		executors      []*schedulerobjects.Executor
@@ -49,15 +45,10 @@ func TestPoolAssigner_AssignPools(t *testing.T) {
 			job:           runningJob,
 			expectedPools: []string{"cpu"},
 		},
-		"running job without pool set returns pool of associated node": {
+		"running job without pool set returns empty string pool": {
 			executors:     []*schedulerobjects.Executor{cpuExecutor},
 			job:           runningJobWithoutPoolSetOnLatestRun,
-			expectedPools: []string{testfixtures.TestPool},
-		},
-		"running job without pool set returns pool of associated cluster if associated node does not exist": {
-			executors:     []*schedulerobjects.Executor{cpuExecutor},
-			job:           runningJobWithoutPoolSetOnLatestRunOrExistingAssociatedNode,
-			expectedPools: []string{cpuExecutor.Pool},
+			expectedPools: []string{""},
 		},
 	}
 	for name, tc := range tests {

internal/scheduler/scheduling_algo.go

@@ -239,7 +239,7 @@ func (l *FairSchedulingAlgo) newFairSchedulingAlgoContext(ctx *armadacontext.Con
 		executorById[executor.Id] = executor
 		for _, node := range executor.Nodes {
 			nodeById[node.GetId()] = node
-			pool := GetNodePool(node, executor)
+			pool := node.GetPool()
 			allKnownPools[pool] = true
 
 			if _, present := nodesByPoolAndExecutor[pool]; !present {
@@ -273,7 +273,7 @@ func (l *FairSchedulingAlgo) newFairSchedulingAlgoContext(ctx *armadacontext.Con
 	totalCapacityByPool := make(schedulerobjects.QuantityByTAndResourceType[string])
 	for _, executor := range executors {
 		for _, node := range executor.Nodes {
-			totalCapacityByPool.AddResourceList(GetNodePool(node, executor), node.TotalResources)
+			totalCapacityByPool.AddResourceList(node.GetPool(), node.TotalResources)
 		}
 	}
 
@@ -300,7 +300,7 @@ func (l *FairSchedulingAlgo) newFairSchedulingAlgoContext(ctx *armadacontext.Con
 		pools := job.Pools()
 
 		if !job.Queued() && job.LatestRun() != nil {
-			pool := GetRunPool(job.LatestRun(), nodeById[job.LatestRun().NodeId()], executorById[job.LatestRun().Executor()])
+			pool := job.LatestRun().Pool()
 			pools = []string{pool}
 		} else if len(pools) < 1 {
 			// This occurs if we haven't assigned a job to a pool.  Right now this can occur if a user
@@ -349,7 +349,7 @@ func (l *FairSchedulingAlgo) newFairSchedulingAlgoContext(ctx *armadacontext.Con
 		if nodeName := run.NodeName(); nodeName == "" {
 			return nil, errors.Errorf("run %s of job %s is not queued but has no nodeName associated with it", run.Id(), job.Id())
 		}
-		pool := GetRunPool(job.LatestRun(), nodeById[job.LatestRun().NodeId()], executorById[job.LatestRun().Executor()])
+		pool := job.LatestRun().Pool()
 		if _, present := jobsByPoolAndExecutor[pool]; !present {
 			jobsByPoolAndExecutor[pool] = map[string][]*jobdb.Job{}
 		}

internal/scheduler/submitcheck.go

@@ -95,7 +95,7 @@ func (srv *SubmitChecker) updateExecutors(ctx *armadacontext.Context) {
 	for _, ex := range executors {
 		nodes := ex.GetNodes()
 		nodesByPool := armadaslices.GroupByFunc(nodes, func(n *schedulerobjects.Node) string {
-			return GetNodePool(n, ex)
+			return n.GetPool()
 		})
 		for pool, nodes := range nodesByPool {
 			nodeDb, err := srv.constructNodeDb(nodes)