subclusters instead of slurm partitions

api_test.go

@@ -30,9 +30,14 @@ func setup(t *testing.T) *api.RestApi {
 
 	const testclusterJson = `{
 		"name": "testcluster",
-		"partitions": [
+		"subClusters": [
 			{
-				"name": "default",
+				"name": "sc0",
+				"nodes": "host120,host121,host122"
+			},
+			{
+				"name": "sc1",
+				"nodes": "host123,host124,host125",
 				"processorType": "Intel Core i7-4770",
 				"socketsPerNode": 1,
 				"coresPerSocket": 4,
@@ -141,7 +146,7 @@ func TestRestApi(t *testing.T) {
 				Timestep: 60,
 				Series: []schema.Series{
 					{
-						Hostname:   "testhost",
+						Hostname:   "host123",
 						Statistics: &schema.MetricStatistics{Min: 0.1, Avg: 0.2, Max: 0.3},
 						Data:       []schema.Float{0.1, 0.1, 0.1, 0.2, 0.2, 0.2, 0.3, 0.3, 0.3},
 					},
@@ -173,7 +178,7 @@ func TestRestApi(t *testing.T) {
     	"tags":             [{ "type": "testTagType", "name": "testTagName" }],
     	"resources": [
         	{
-            	"hostname": "testhost",
+            	"hostname": "host123",
             	"hwthreads": [0, 1, 2, 3, 4, 5, 6, 7]
         	}
     	],
@@ -211,6 +216,7 @@ func TestRestApi(t *testing.T) {
 			job.User != "testuser" ||
 			job.Project != "testproj" ||
 			job.Cluster != "testcluster" ||
+			job.SubCluster != "sc1" ||
 			job.Partition != "default" ||
 			job.ArrayJobId != 0 ||
 			job.NumNodes != 1 ||
@@ -219,7 +225,7 @@ func TestRestApi(t *testing.T) {
 			job.Exclusive != 1 ||
 			job.MonitoringStatus != 1 ||
 			job.SMT != 1 ||
-			!reflect.DeepEqual(job.Resources, []*schema.Resource{{Hostname: "testhost", HWThreads: []int{0, 1, 2, 3, 4, 5, 6, 7}}}) ||
+			!reflect.DeepEqual(job.Resources, []*schema.Resource{{Hostname: "host123", HWThreads: []int{0, 1, 2, 3, 4, 5, 6, 7}}}) ||
 			job.StartTime.Unix() != 123456789 {
 			t.Fatalf("unexpected job properties: %#v", job)
 		}

config/config.go

@@ -20,10 +20,14 @@ import (
 
 var db *sqlx.DB
 var lookupConfigStmt *sqlx.Stmt
+
 var lock sync.RWMutex
 var uiDefaults map[string]interface{}
+
 var cache *lrucache.Cache = lrucache.New(1024)
+
 var Clusters []*model.Cluster
+var nodeLists map[string]map[string]NodeList
 
 func Init(usersdb *sqlx.DB, authEnabled bool, uiConfig map[string]interface{}, jobArchive string) error {
 	db = usersdb
@@ -34,6 +38,7 @@ func Init(usersdb *sqlx.DB, authEnabled bool, uiConfig map[string]interface{}, j
 	}
 
 	Clusters = []*model.Cluster{}
+	nodeLists = map[string]map[string]NodeList{}
 	for _, de := range entries {
 		raw, err := os.ReadFile(filepath.Join(jobArchive, de.Name(), "cluster.json"))
 		if err != nil {
@@ -53,8 +58,8 @@ func Init(usersdb *sqlx.DB, authEnabled bool, uiConfig map[string]interface{}, j
 			return err
 		}
 
-		if len(cluster.Name) == 0 || len(cluster.MetricConfig) == 0 || len(cluster.Partitions) == 0 {
-			return errors.New("cluster.name, cluster.metricConfig and cluster.Partitions should not be empty")
+		if len(cluster.Name) == 0 || len(cluster.MetricConfig) == 0 || len(cluster.SubClusters) == 0 {
+			return errors.New("cluster.name, cluster.metricConfig and cluster.SubClusters should not be empty")
 		}
 
 		for _, mc := range cluster.MetricConfig {
@@ -83,6 +88,19 @@ func Init(usersdb *sqlx.DB, authEnabled bool, uiConfig map[string]interface{}, j
 		}
 
 		Clusters = append(Clusters, &cluster)
+
+		nodeLists[cluster.Name] = make(map[string]NodeList)
+		for _, sc := range cluster.SubClusters {
+			if sc.Nodes == "" {
+				continue
+			}
+
+			nl, err := ParseNodeList(sc.Nodes)
+			if err != nil {
+				return fmt.Errorf("in %s/cluster.json: %w", cluster.Name, err)
+			}
+			nodeLists[cluster.Name][sc.Name] = nl
+		}
 	}
 
 	if authEnabled {
@@ -188,7 +206,7 @@ func UpdateConfig(key, value string, ctx context.Context) error {
 	return nil
 }
 
-func GetClusterConfig(cluster string) *model.Cluster {
+func GetCluster(cluster string) *model.Cluster {
 	for _, c := range Clusters {
 		if c.Name == cluster {
 			return c
@@ -197,11 +215,11 @@ func GetClusterConfig(cluster string) *model.Cluster {
 	return nil
 }
 
-func GetPartition(cluster, partition string) *model.Partition {
+func GetSubCluster(cluster, subcluster string) *model.SubCluster {
 	for _, c := range Clusters {
 		if c.Name == cluster {
-			for _, p := range c.Partitions {
-				if p.Name == partition {
+			for _, p := range c.SubClusters {
+				if p.Name == subcluster {
 					return p
 				}
 			}
@@ -222,3 +240,40 @@ func GetMetricConfig(cluster, metric string) *model.MetricConfig {
 	}
 	return nil
 }
+
+// AssignSubCluster sets the `job.subcluster` property of the job based
+// on its cluster and resources.
+func AssignSubCluster(job *schema.BaseJob) error {
+	cluster := GetCluster(job.Cluster)
+	if cluster == nil {
+		return fmt.Errorf("unkown cluster: %#v", job.Cluster)
+	}
+
+	if job.SubCluster != "" {
+		for _, sc := range cluster.SubClusters {
+			if sc.Name == job.SubCluster {
+				return nil
+			}
+		}
+		return fmt.Errorf("already assigned subcluster %#v unkown (cluster: %#v)", job.SubCluster, job.Cluster)
+	}
+
+	if len(job.Resources) == 0 {
+		return fmt.Errorf("job without any resources/hosts")
+	}
+
+	host0 := job.Resources[0].Hostname
+	for sc, nl := range nodeLists[job.Cluster] {
+		if nl != nil && nl.Contains(host0) {
+			job.SubCluster = sc
+			return nil
+		}
+	}
+
+	if cluster.SubClusters[0].Nodes == "" {
+		job.SubCluster = cluster.SubClusters[0].Name
+		return nil
+	}
+
+	return fmt.Errorf("no subcluster found for cluster %#v and host %#v", job.Cluster, host0)
+}

config/nodelist.go

@@ -0,0 +1,136 @@
+package config
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/ClusterCockpit/cc-backend/log"
+)
+
+type NLExprString string
+
+func (nle NLExprString) consume(input string) (next string, ok bool) {
+	str := string(nle)
+	if strings.HasPrefix(input, str) {
+		return strings.TrimPrefix(input, str), true
+	}
+	return "", false
+}
+
+type NLExprIntRange struct {
+	start, end int64
+	zeroPadded bool
+	digits     int
+}
+
+func (nle NLExprIntRange) consume(input string) (next string, ok bool) {
+	if !nle.zeroPadded || nle.digits < 1 {
+		log.Error("node list: only zero-padded ranges are allowed")
+		return "", false
+	}
+
+	if len(input) < nle.digits {
+		return "", false
+	}
+
+	numerals, rest := input[:nle.digits], input[nle.digits:]
+	for len(numerals) > 1 && numerals[0] == '0' {
+		numerals = numerals[1:]
+	}
+
+	x, err := strconv.ParseInt(numerals, 10, 32)
+	if err != nil {
+		return "", false
+	}
+
+	if nle.start <= x && x <= nle.end {
+		return rest, true
+	}
+
+	return "", false
+}
+
+type NodeList [][]interface {
+	consume(input string) (next string, ok bool)
+}
+
+func (nl *NodeList) Contains(name string) bool {
+	var ok bool
+	for _, term := range *nl {
+		str := name
+		for _, expr := range term {
+			str, ok = expr.consume(str)
+			if !ok {
+				break
+			}
+		}
+
+		if ok && str == "" {
+			return true
+		}
+	}
+
+	return false
+}
+
+func ParseNodeList(raw string) (NodeList, error) {
+	nl := NodeList{}
+
+	isLetter := func(r byte) bool { return ('a' <= r && r <= 'z') || ('A' <= r && r <= 'Z') }
+	isDigit := func(r byte) bool { return '0' <= r && r <= '9' }
+
+	for _, rawterm := range strings.Split(raw, ",") {
+		exprs := []interface {
+			consume(input string) (next string, ok bool)
+		}{}
+		for i := 0; i < len(rawterm); i++ {
+			c := rawterm[i]
+			if isLetter(c) || isDigit(c) {
+				j := i
+				for j < len(rawterm) && (isLetter(rawterm[j]) || isDigit(rawterm[j])) {
+					j++
+				}
+				exprs = append(exprs, NLExprString(rawterm[i:j]))
+				i = j - 1
+			} else if c == '[' {
+				end := strings.Index(rawterm[i:], "]")
+				if end == -1 {
+					return nil, fmt.Errorf("node list: unclosed '['")
+				}
+
+				minus := strings.Index(rawterm[i:i+end], "-")
+				if minus == -1 {
+					return nil, fmt.Errorf("node list: no '-' found inside '[...]'")
+				}
+
+				s1, s2 := rawterm[i+1:i+minus], rawterm[i+minus+1:i+end]
+				if len(s1) != len(s2) || len(s1) == 0 {
+					return nil, fmt.Errorf("node list: %#v and %#v are not of equal length or of length zero", s1, s2)
+				}
+
+				x1, err := strconv.ParseInt(s1, 10, 32)
+				if err != nil {
+					return nil, fmt.Errorf("node list: %w", err)
+				}
+				x2, err := strconv.ParseInt(s2, 10, 32)
+				if err != nil {
+					return nil, fmt.Errorf("node list: %w", err)
+				}
+
+				exprs = append(exprs, NLExprIntRange{
+					start:      x1,
+					end:        x2,
+					digits:     len(s1),
+					zeroPadded: true,
+				})
+				i += end
+			} else {
+				return nil, fmt.Errorf("node list: invalid character: %#v", rune(c))
+			}
+		}
+		nl = append(nl, exprs)
+	}
+
+	return nl, nil
+}

config/nodelist_test.go

@@ -0,0 +1,37 @@
+package config
+
+import (
+	"testing"
+)
+
+func TestNodeList(t *testing.T) {
+	nl, err := ParseNodeList("hallo,wel123t,emmy[01-99],fritz[005-500],woody[100-200]")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// fmt.Printf("terms\n")
+	// for i, term := range nl.terms {
+	// 	fmt.Printf("term %d: %#v\n", i, term)
+	// }
+
+	if nl.Contains("hello") || nl.Contains("woody") {
+		t.Fail()
+	}
+
+	if nl.Contains("fritz1") || nl.Contains("fritz9") || nl.Contains("fritz004") || nl.Contains("woody201") {
+		t.Fail()
+	}
+
+	if !nl.Contains("hallo") || !nl.Contains("wel123t") {
+		t.Fail()
+	}
+
+	if !nl.Contains("emmy01") || !nl.Contains("emmy42") || !nl.Contains("emmy99") {
+		t.Fail()
+	}
+
+	if !nl.Contains("woody100") || !nl.Contains("woody199") {
+		t.Fail()
+	}
+}

graph/model/models.go

@@ -6,7 +6,7 @@ type Cluster struct {
 	Name         string          `json:"name"`
 	MetricConfig []*MetricConfig `json:"metricConfig"`
 	FilterRanges *FilterRanges   `json:"filterRanges"`
-	Partitions   []*Partition    `json:"partitions"`
+	SubClusters  []*SubCluster   `json:"subClusters"`
 
 	// NOT part of the API:
 	MetricDataRepository *MetricDataRepository `json:"metricDataRepository"`

graph/model/models_gen.go

@@ -122,8 +122,16 @@ type PageRequest struct {
 	Page         int `json:"page"`
 }
 
-type Partition struct {
+type StringInput struct {
+	Eq         *string `json:"eq"`
+	Contains   *string `json:"contains"`
+	StartsWith *string `json:"startsWith"`
+	EndsWith   *string `json:"endsWith"`
+}
+
+type SubCluster struct {
 	Name            string    `json:"name"`
+	Nodes           string    `json:"nodes"`
 	ProcessorType   string    `json:"processorType"`
 	SocketsPerNode  int       `json:"socketsPerNode"`
 	CoresPerSocket  int       `json:"coresPerSocket"`
@@ -134,13 +142,6 @@ type Partition struct {
 	Topology        *Topology `json:"topology"`
 }
 
-type StringInput struct {
-	Eq         *string `json:"eq"`
-	Contains   *string `json:"contains"`
-	StartsWith *string `json:"startsWith"`
-	EndsWith   *string `json:"endsWith"`
-}
-
 type TimeRange struct {
 	From *time.Time `json:"from"`
 	To   *time.Time `json:"to"`

graph/schema.graphqls

@@ -33,11 +33,12 @@ type Cluster {
   name:         String!
   metricConfig: [MetricConfig!]!
   filterRanges: FilterRanges!
-  partitions:   [Partition!]!
+  subClusters:  [SubCluster!]!
 }
 
-type Partition {
+type SubCluster {
   name:            String!
+  nodes:           String!
   processorType:   String!
   socketsPerNode:  Int!
   coresPerSocket:  Int!

graph/schema.resolvers.go

@@ -18,6 +18,10 @@ import (
 	"github.com/ClusterCockpit/cc-backend/schema"
 )
 
+func (r *clusterResolver) SubClusters(ctx context.Context, obj *model.Cluster) ([]*model.SubCluster, error) {
+	panic(fmt.Errorf("not implemented"))
+}
+
 func (r *jobResolver) MetaData(ctx context.Context, obj *schema.Job) (interface{}, error) {
 	return r.Repo.FetchMetadata(obj)
 }
@@ -204,7 +208,7 @@ func (r *queryResolver) NodeMetrics(ctx context.Context, cluster string, partiti
 	}
 
 	if metrics == nil {
-		for _, mc := range config.GetClusterConfig(cluster).MetricConfig {
+		for _, mc := range config.GetCluster(cluster).MetricConfig {
 			metrics = append(metrics, mc.Name)
 		}
 	}
@@ -236,6 +240,9 @@ func (r *queryResolver) NodeMetrics(ctx context.Context, cluster string, partiti
 	return nodeMetrics, nil
 }
 
+// Cluster returns generated.ClusterResolver implementation.
+func (r *Resolver) Cluster() generated.ClusterResolver { return &clusterResolver{r} }
+
 // Job returns generated.JobResolver implementation.
 func (r *Resolver) Job() generated.JobResolver { return &jobResolver{r} }
 
@@ -245,6 +252,7 @@ func (r *Resolver) Mutation() generated.MutationResolver { return &mutationResol
 // Query returns generated.QueryResolver implementation.
 func (r *Resolver) Query() generated.QueryResolver { return &queryResolver{r} }
 
+type clusterResolver struct{ *Resolver }
 type jobResolver struct{ *Resolver }
 type mutationResolver struct{ *Resolver }
 type queryResolver struct{ *Resolver }

graph/stats.go

@@ -32,8 +32,8 @@ func (r *queryResolver) jobsStatistics(ctx context.Context, filter []*model.JobF
 
 	// `socketsPerNode` and `coresPerSocket` can differ from cluster to cluster, so we need to explicitly loop over those.
 	for _, cluster := range config.Clusters {
-		for _, partition := range cluster.Partitions {
-			corehoursCol := fmt.Sprintf("CAST(ROUND(SUM(job.duration * job.num_nodes * %d * %d) / 3600) as int)", partition.SocketsPerNode, partition.CoresPerSocket)
+		for _, subcluster := range cluster.SubClusters {
+			corehoursCol := fmt.Sprintf("CAST(ROUND(SUM(job.duration * job.num_nodes * %d * %d) / 3600) as int)", subcluster.SocketsPerNode, subcluster.CoresPerSocket)
 			var query sq.SelectBuilder
 			if groupBy == nil {
 				query = sq.Select(
@@ -54,7 +54,7 @@ func (r *queryResolver) jobsStatistics(ctx context.Context, filter []*model.JobF
 
 			query = query.
 				Where("job.cluster = ?", cluster.Name).
-				Where("job.partition = ?", partition.Name)
+				Where("job.subcluster = ?", subcluster.Name)
 
 			query = repository.SecurityCheck(ctx, query)
 			for _, f := range filter {

metricdata/archive.go

@@ -157,7 +157,7 @@ func GetStatistics(job *schema.Job) (map[string]schema.JobStatistics, error) {
 // Writes a running job to the job-archive
 func ArchiveJob(job *schema.Job, ctx context.Context) (*schema.JobMeta, error) {
 	allMetrics := make([]string, 0)
-	metricConfigs := config.GetClusterConfig(job.Cluster).MetricConfig
+	metricConfigs := config.GetCluster(job.Cluster).MetricConfig
 	for _, mc := range metricConfigs {
 		allMetrics = append(allMetrics, mc.Name)
 	}

metricdata/cc-metric-store.go

@@ -227,7 +227,7 @@ var (
 
 func (ccms *CCMetricStore) buildQueries(job *schema.Job, metrics []string, scopes []schema.MetricScope) ([]ApiQuery, []schema.MetricScope, error) {
 	queries := make([]ApiQuery, 0, len(metrics)*len(scopes)*len(job.Resources))
-	topology := config.GetPartition(job.Cluster, job.Partition).Topology
+	topology := config.GetSubCluster(job.Cluster, job.SubCluster).Topology
 	assignedScope := []schema.MetricScope{}
 
 	for _, metric := range metrics {

metricdata/metricdata.go

@@ -79,7 +79,7 @@ func LoadData(job *schema.Job, metrics []string, scopes []schema.MetricScope, ct
 			}
 
 			if metrics == nil {
-				cluster := config.GetClusterConfig(job.Cluster)
+				cluster := config.GetCluster(job.Cluster)
 				for _, mc := range cluster.MetricConfig {
 					metrics = append(metrics, mc.Name)
 				}
@@ -167,7 +167,7 @@ func LoadNodeData(cluster, partition string, metrics, nodes []string, scopes []s
 	}
 
 	if metrics == nil {
-		for _, m := range config.GetClusterConfig(cluster).MetricConfig {
+		for _, m := range config.GetCluster(cluster).MetricConfig {
 			metrics = append(metrics, m.Name)
 		}
 	}

repository/import.go

@@ -122,12 +122,13 @@ func (r *JobRepository) ImportJob(jobMeta *schema.JobMeta, jobData *schema.JobDa
 	return nil
 }
 
+// This function also sets the subcluster if necessary!
 func SanityChecks(job *schema.BaseJob) error {
-	if c := config.GetClusterConfig(job.Cluster); c == nil {
+	if c := config.GetCluster(job.Cluster); c == nil {
 		return fmt.Errorf("no such cluster: %#v", job.Cluster)
 	}
-	if p := config.GetPartition(job.Cluster, job.Partition); p == nil {
-		return fmt.Errorf("no such partition: %#v (on cluster %#v)", job.Partition, job.Cluster)
+	if err := config.AssignSubCluster(job); err != nil {
+		return err
 	}
 	if !job.State.Valid() {
 		return fmt.Errorf("not a valid job state: %#v", job.State)

repository/job.go

@@ -31,17 +31,17 @@ func (r *JobRepository) Init() error {
 }
 
 var jobColumns []string = []string{
-	"job.id", "job.job_id", "job.user", "job.project", "job.cluster", "job.start_time", "job.partition", "job.array_job_id",
+	"job.id", "job.job_id", "job.user", "job.project", "job.cluster", "job.subcluster", "job.start_time", "job.partition", "job.array_job_id",
 	"job.num_nodes", "job.num_hwthreads", "job.num_acc", "job.exclusive", "job.monitoring_status", "job.smt", "job.job_state",
-	"job.duration", "job.resources", // "job.meta_data",
+	"job.duration", "job.walltime", "job.resources", // "job.meta_data",
 }
 
 func scanJob(row interface{ Scan(...interface{}) error }) (*schema.Job, error) {
 	job := &schema.Job{}
 	if err := row.Scan(
-		&job.ID, &job.JobID, &job.User, &job.Project, &job.Cluster, &job.StartTimeUnix, &job.Partition, &job.ArrayJobId,
+		&job.ID, &job.JobID, &job.User, &job.Project, &job.Cluster, &job.SubCluster, &job.StartTimeUnix, &job.Partition, &job.ArrayJobId,
 		&job.NumNodes, &job.NumHWThreads, &job.NumAcc, &job.Exclusive, &job.MonitoringStatus, &job.SMT, &job.State,
-		&job.Duration, &job.RawResources /*&job.MetaData*/); err != nil {
+		&job.Duration, &job.Walltime, &job.RawResources /*&job.MetaData*/); err != nil {
 		return nil, err
 	}