Move metricstore from internal to pkg

CLAUDE.md

@@ -96,7 +96,7 @@ The backend follows a layered architecture with clear separation of concerns:
 - **internal/auth**: Authentication layer
   - Supports local accounts, LDAP, OIDC, and JWT tokens
   - Implements rate limiting for login attempts
-- **internal/metricstore**: Metric store with data loading API
+- **pkg/metricstore**: Metric store with data loading API
   - In-memory metric storage with checkpointing
   - Query API for loading job metric data
 - **internal/archiver**: Job archiving to file-based archive
@@ -209,7 +209,7 @@ applied automatically on startup. Version tracking in `version` table.
 
 ### Adding a new metric data backend
 
-1. Implement metric loading functions in `internal/metricstore/query.go`
+1. Implement metric loading functions in `pkg/metricstore/query.go`
 2. Add cluster configuration to metric store initialization
 3. Update config.json schema documentation
 

README.md

@@ -163,8 +163,6 @@ ln -s <your-existing-job-archive> ./var/job-archive
     GraphQL schema and resolvers
   - [`importer`](https://github.com/ClusterCockpit/cc-backend/tree/master/internal/importer)
     Job data import and database initialization
-  - [`metricstore`](https://github.com/ClusterCockpit/cc-backend/tree/master/internal/metricstore)
-    In-memory metric data store with checkpointing and metric loading
   - [`metricdispatch`](https://github.com/ClusterCockpit/cc-backend/tree/master/internal/metricdispatch)
     Dispatches metric data loading to appropriate backends
   - [`repository`](https://github.com/ClusterCockpit/cc-backend/tree/master/internal/repository)
@@ -179,6 +177,8 @@ ln -s <your-existing-job-archive> ./var/job-archive
   contains Go packages that can be used by other projects.
   - [`archive`](https://github.com/ClusterCockpit/cc-backend/tree/master/pkg/archive)
     Job archive backend implementations (filesystem, S3)
+  - [`metricstore`](https://github.com/ClusterCockpit/cc-backend/tree/master/pkg/metricstore)
+    In-memory metric data store with checkpointing and metric loading
   - [`nats`](https://github.com/ClusterCockpit/cc-backend/tree/master/pkg/nats)
     NATS client and message handling
 - [`tools/`](https://github.com/ClusterCockpit/cc-backend/tree/master/tools)

cmd/cc-backend/main.go

@@ -24,11 +24,11 @@ import (
 	"github.com/ClusterCockpit/cc-backend/internal/auth"
 	"github.com/ClusterCockpit/cc-backend/internal/config"
 	"github.com/ClusterCockpit/cc-backend/internal/importer"
-	"github.com/ClusterCockpit/cc-backend/internal/metricstore"
 	"github.com/ClusterCockpit/cc-backend/internal/repository"
 	"github.com/ClusterCockpit/cc-backend/internal/tagger"
 	"github.com/ClusterCockpit/cc-backend/internal/taskmanager"
 	"github.com/ClusterCockpit/cc-backend/pkg/archive"
+	"github.com/ClusterCockpit/cc-backend/pkg/metricstore"
 	"github.com/ClusterCockpit/cc-backend/pkg/nats"
 	"github.com/ClusterCockpit/cc-backend/web"
 	ccconf "github.com/ClusterCockpit/cc-lib/v2/ccConfig"

cmd/cc-backend/server.go

@@ -29,8 +29,8 @@ import (
 	"github.com/ClusterCockpit/cc-backend/internal/config"
 	"github.com/ClusterCockpit/cc-backend/internal/graph"
 	"github.com/ClusterCockpit/cc-backend/internal/graph/generated"
-	"github.com/ClusterCockpit/cc-backend/internal/metricstore"
 	"github.com/ClusterCockpit/cc-backend/internal/routerConfig"
+	"github.com/ClusterCockpit/cc-backend/pkg/metricstore"
 	"github.com/ClusterCockpit/cc-backend/pkg/nats"
 	"github.com/ClusterCockpit/cc-backend/web"
 	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"

internal/api/api_test.go

@@ -24,9 +24,9 @@ import (
 	"github.com/ClusterCockpit/cc-backend/internal/config"
 	"github.com/ClusterCockpit/cc-backend/internal/graph"
 	"github.com/ClusterCockpit/cc-backend/internal/metricdispatch"
-	"github.com/ClusterCockpit/cc-backend/internal/metricstore"
 	"github.com/ClusterCockpit/cc-backend/internal/repository"
 	"github.com/ClusterCockpit/cc-backend/pkg/archive"
+	"github.com/ClusterCockpit/cc-backend/pkg/metricstore"
 	ccconf "github.com/ClusterCockpit/cc-lib/v2/ccConfig"
 	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
 	"github.com/ClusterCockpit/cc-lib/v2/schema"

internal/api/metricstore.go

@@ -15,7 +15,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/ClusterCockpit/cc-backend/internal/metricstore"
+	"github.com/ClusterCockpit/cc-backend/pkg/metricstore"
 	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
 
 	"github.com/influxdata/line-protocol/v2/lineprotocol"

internal/api/nats_test.go

@@ -18,9 +18,9 @@ import (
 	"github.com/ClusterCockpit/cc-backend/internal/auth"
 	"github.com/ClusterCockpit/cc-backend/internal/config"
 	"github.com/ClusterCockpit/cc-backend/internal/graph"
-	"github.com/ClusterCockpit/cc-backend/internal/metricstore"
 	"github.com/ClusterCockpit/cc-backend/internal/repository"
 	"github.com/ClusterCockpit/cc-backend/pkg/archive"
+	"github.com/ClusterCockpit/cc-backend/pkg/metricstore"
 	ccconf "github.com/ClusterCockpit/cc-lib/v2/ccConfig"
 	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
 	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"

internal/metricdispatch/dataLoader.go

@@ -43,8 +43,8 @@ import (
 	"math"
 	"time"
 
-	"github.com/ClusterCockpit/cc-backend/internal/metricstore"
 	"github.com/ClusterCockpit/cc-backend/pkg/archive"
+	"github.com/ClusterCockpit/cc-backend/pkg/metricstore"
 	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
 	"github.com/ClusterCockpit/cc-lib/v2/lrucache"
 	"github.com/ClusterCockpit/cc-lib/v2/resampler"

internal/taskmanager/updateFootprintService.go

@@ -10,8 +10,8 @@ import (
 	"math"
 	"time"
 
-	"github.com/ClusterCockpit/cc-backend/internal/metricstore"
 	"github.com/ClusterCockpit/cc-backend/pkg/archive"
+	"github.com/ClusterCockpit/cc-backend/pkg/metricstore"
 	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
 	"github.com/ClusterCockpit/cc-lib/v2/schema"
 	sq "github.com/Masterminds/squirrel"