Fix memoryStore Init and move MetricConfig init

cmd/cc-backend/main.go

@@ -248,12 +248,10 @@ func main() {
 	// Metric Store starts after all flags have been processes
 	if memorystore.InternalCCMSFlag {
 		if mscfg := ccconf.GetPackageConfig("metric-store"); mscfg != nil {
-			memorystore.InitMetricStore(mscfg)
+			memorystore.Init(mscfg, &wg)
 		} else {
 			cclog.Abort("Metric Store configuration must be present")
 		}
-
-		memorystore.Init(&wg)
 	}
 	archiver.Start(repository.GetJobRepository())
 

internal/api/cluster.go

@@ -2,6 +2,7 @@
 // All rights reserved. This file is part of cc-backend.
 // Use of this source code is governed by a MIT-style
 // license that can be found in the LICENSE file.
+
 package api
 
 import (
@@ -15,8 +16,8 @@ import (
 	"github.com/ClusterCockpit/cc-lib/schema"
 )
 
-// GetClustersApiResponse model
-type GetClustersApiResponse struct {
+// GetClustersAPIResponse model
+type GetClustersAPIResponse struct {
 	Clusters []*schema.Cluster `json:"clusters"` // Array of clusters
 }
 
@@ -59,7 +60,7 @@ func (api *RestApi) getClusters(rw http.ResponseWriter, r *http.Request) {
 		clusters = archive.Clusters
 	}
 
-	payload := GetClustersApiResponse{
+	payload := GetClustersAPIResponse{
 		Clusters: clusters,
 	}
 

internal/api/rest.go

@@ -97,11 +97,15 @@ func (api *RestApi) MountUserApiRoutes(r *mux.Router) {
 
 func (api *RestApi) MountMetricStoreApiRoutes(r *mux.Router) {
 	// REST API Uses TokenAuth
-	// Refactor ??
 	r.HandleFunc("/api/free", freeMetrics).Methods(http.MethodPost)
 	r.HandleFunc("/api/write", writeMetrics).Methods(http.MethodPost)
 	r.HandleFunc("/api/debug", debugMetrics).Methods(http.MethodGet)
 	r.HandleFunc("/api/healthcheck", metricsHealth).Methods(http.MethodGet)
+	// Same endpoints but with trailing slash
+	r.HandleFunc("/api/free/", freeMetrics).Methods(http.MethodPost)
+	r.HandleFunc("/api/write/", writeMetrics).Methods(http.MethodPost)
+	r.HandleFunc("/api/debug/", debugMetrics).Methods(http.MethodGet)
+	r.HandleFunc("/api/healthcheck/", metricsHealth).Methods(http.MethodGet)
 }
 
 func (api *RestApi) MountConfigApiRoutes(r *mux.Router) {

internal/memorystore/memorystore.go

@@ -18,6 +18,7 @@ import (
 	"time"
 
 	"github.com/ClusterCockpit/cc-backend/internal/config"
+	"github.com/ClusterCockpit/cc-backend/pkg/archive"
 	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
 	"github.com/ClusterCockpit/cc-lib/resampler"
 	"github.com/ClusterCockpit/cc-lib/runtimeEnv"
@@ -30,8 +31,6 @@ var (
 	msInstance *MemoryStore
 )
 
-var Clusters = make([]string, 0)
-
 var NumWorkers int = 4
 
 func init() {
@@ -62,6 +61,34 @@ func Init(rawConfig json.RawMessage, wg *sync.WaitGroup) {
 		}
 	}
 
+	for _, c := range archive.Clusters {
+		for _, mc := range c.MetricConfig {
+			agg, err := AssignAggregationStratergy(mc.Aggregation)
+			if err != nil {
+				cclog.Warnf("Could not find aggregation stratergy for metric config '%s': %s", mc.Name, err.Error())
+			}
+
+			AddMetric(mc.Name, MetricConfig{
+				Frequency:   int64(mc.Timestep),
+				Aggregation: agg,
+			})
+		}
+
+		for _, sc := range c.SubClusters {
+			for _, mc := range sc.MetricConfig {
+				agg, err := AssignAggregationStratergy(mc.Aggregation)
+				if err != nil {
+					cclog.Warnf("Could not find aggregation stratergy for metric config '%s': %s", mc.Name, err.Error())
+				}
+
+				AddMetric(mc.Name, MetricConfig{
+					Frequency:   int64(mc.Timestep),
+					Aggregation: agg,
+				})
+			}
+		}
+	}
+
 	// Pass the config.MetricStoreKeys
 	InitMetrics(Metrics)
 
@@ -312,7 +339,7 @@ func (m *MemoryStore) GetLevel(selector []string) *Level {
 	return m.root.findLevelOrCreate(selector, len(m.Metrics))
 }
 
-// Assumes that `minfo` in `metrics` is filled in!
+// WriteToLevel assumes that `minfo` in `metrics` is filled in
 func (m *MemoryStore) WriteToLevel(l *Level, selector []string, ts int64, metrics []Metric) error {
 	l = l.findLevelOrCreate(selector, len(m.Metrics))
 	l.lock.Lock()
@@ -343,7 +370,7 @@ func (m *MemoryStore) WriteToLevel(l *Level, selector []string, ts int64, metric
 	return nil
 }
 
-// Returns all values for metric `metric` from `from` to `to` for the selected level(s).
+// Read returns all values for metric `metric` from `from` to `to` for the selected level(s).
 // If the level does not hold the metric itself, the data will be aggregated recursively from the children.
 // The second and third return value are the actual from/to for the data. Those can be different from
 // the range asked for if no data was available.
@@ -413,8 +440,8 @@ func (m *MemoryStore) Read(selector util.Selector, metric string, from, to, reso
 	return data, from, to, resolution, nil
 }
 
-// Release all buffers for the selected level and all its children that contain only
-// values older than `t`.
+// Free releases all buffers for the selected level and all its children that
+// contain only values older than `t`.
 func (m *MemoryStore) Free(selector []string, t int64) (int, error) {
 	return m.GetLevel(selector).free(t)
 }
@@ -431,7 +458,8 @@ func (m *MemoryStore) SizeInBytes() int64 {
 	return m.root.sizeInBytes()
 }
 
-// Given a selector, return a list of all children of the level selected.
+// ListChildren , given a selector, returns a list of all children of the level
+// selected.
 func (m *MemoryStore) ListChildren(selector []string) []string {
 	lvl := &m.root
 	for lvl != nil && len(selector) != 0 {

pkg/archive/clusterConfig.go

@@ -9,8 +9,6 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/ClusterCockpit/cc-backend/internal/config"
-	"github.com/ClusterCockpit/cc-backend/internal/memorystore"
 	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
 	"github.com/ClusterCockpit/cc-lib/schema"
 )
@@ -34,8 +32,6 @@ func initClusterConfig() error {
 			return err
 		}
 
-		memorystore.Clusters = append(memorystore.Clusters, cluster.Name)
-
 		if len(cluster.Name) == 0 ||
 			len(cluster.MetricConfig) == 0 ||
 			len(cluster.SubClusters) == 0 {
@@ -127,16 +123,6 @@ func initClusterConfig() error {
 			}
 			ml.Availability = append(metricLookup[mc.Name].Availability, availability)
 			metricLookup[mc.Name] = ml
-
-			agg, err := config.AssignAggregationStratergy(mc.Aggregation)
-			if err != nil {
-				return fmt.Errorf("ARCHIVE/CLUSTERCONFIG > in %s/cluster.json: %w", cluster.Name, err)
-			}
-
-			config.AddMetric(mc.Name, config.MetricConfig{
-				Frequency:   int64(mc.Timestep),
-				Aggregation: agg,
-			})
 		}
 
 		Clusters = append(Clusters, cluster)