feat: inject unified data migrations in dual writer (#114138)

* feat: draft changes for on-prem unified migration * feat: further draft changes for on-prem unified migration * fix: remove some tbis * refactor: rename * fix: another approach * fix: background service related issues * fix: address comments * fix: make gen-go * fix: background service related issues * feat: refactor dual writer and legacy migrator * fix: minor issues * feat: working version in oss * fix: wire * fix: revert test data override * fix: enterprise related issues * chore: add todo * fix: revert dual writer method * fix: lint * chore: logger format * fix: reduce log level * fix: log change * fix: disable * fix: address comments * fix: return error on dual writer service * fix: merge conflict --------- Co-authored-by: Rafael Paulovic <rafael.paulovic@grafana.com>
2025-11-20 16:40:20 +01:00
parent cb06bba243
commit 30c04ab3fc
40 changed files with 1779 additions and 1348 deletions
@@ -0,0 +1,69 @@
+package provisioning
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/grafana/grafana/pkg/infra/log"
+	"github.com/grafana/grafana/pkg/services/provisioning/dashboards"
+	"github.com/grafana/grafana/pkg/setting"
+)
+
+type StubProvisioningService interface {
+	GetDashboardProvisionerResolvedPath(name string) string
+	GetAllowUIUpdatesFromConfig(name string) bool
+}
+
+func ProvideStubProvisioningService(cfg *setting.Cfg) (StubProvisioningService, error) {
+	return NewStubProvisioning(cfg.ProvisioningPath)
+}
+
+func NewStubProvisioning(path string) (StubProvisioningService, error) {
+	cfgs, err := dashboards.ReadDashboardConfig(filepath.Join(path, "dashboards"))
+	if err != nil {
+		return nil, err
+	}
+	stub := &stubProvisioning{
+		path:           make(map[string]string),
+		allowUIUpdates: make(map[string]bool),
+		log:            log.New("provisioning.stub"),
+	}
+	for _, cfg := range cfgs {
+		stub.path[cfg.Name] = cfg.Options["path"].(string)
+		stub.allowUIUpdates[cfg.Name] = cfg.AllowUIUpdates
+	}
+	return stub, nil
+}
+
+type stubProvisioning struct {
+	path           map[string]string // name > options.path
+	allowUIUpdates map[string]bool
+	log            log.Logger
+}
+
+func (s *stubProvisioning) GetAllowUIUpdatesFromConfig(name string) bool {
+	return s.allowUIUpdates[name]
+}
+
+func (s *stubProvisioning) GetDashboardProvisionerResolvedPath(name string) string {
+	path := s.path[name]
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		s.log.Warn("Cannot read directory", "error", err)
+	}
+
+	path, err := filepath.Abs(path)
+	if err != nil {
+		s.log.Warn("Could not create absolute path", "path", path, "error", err)
+	}
+
+	path, err = filepath.EvalSymlinks(path)
+	if err != nil {
+		s.log.Warn("Failed to read content of symlinked path", "path", path, "error", err)
+	}
+
+	if path == "" {
+		path = s.path[name]
+		s.log.Info("falling back to original path due to EvalSymlink/Abs failure")
+	}
+	return path
+}