grafana/apps/dashboard/pkg/migration/conversion/v0.go

120 lines
3.6 KiB
Go

package conversion
import (
"errors"
"fmt"
"k8s.io/apimachinery/pkg/conversion"
"k8s.io/utils/ptr"
dashv0 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v0alpha1"
dashv1 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v1beta1"
dashv2alpha1 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v2alpha1"
dashv2beta1 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v2beta1"
"github.com/grafana/grafana/apps/dashboard/pkg/migration"
"github.com/grafana/grafana/apps/dashboard/pkg/migration/schemaversion"
)
func Convert_V0_to_V1(in *dashv0.Dashboard, out *dashv1.Dashboard, scope conversion.Scope) error {
out.ObjectMeta = in.ObjectMeta
out.Spec.Object = in.Spec.Object
out.Status = dashv1.DashboardStatus{
Conversion: &dashv1.DashboardConversionStatus{
StoredVersion: ptr.To(dashv0.VERSION),
},
}
if err := migration.Migrate(out.Spec.Object, schemaversion.LATEST_VERSION); err != nil {
out.Status.Conversion.Failed = true
out.Status.Conversion.Error = ptr.To(err.Error())
// Classify error type for metrics
errorType := "conversion_error"
var migrationErr *schemaversion.MigrationError
var minVersionErr *schemaversion.MinimumVersionError
if errors.As(err, &migrationErr) {
errorType = "schema_version_migration_error"
} else if errors.As(err, &minVersionErr) {
errorType = "schema_minimum_version_error"
}
// Record failure metrics
migration.MDashboardConversionFailureTotal.WithLabelValues(
dashv0.APIVERSION,
dashv1.APIVERSION,
fmt.Sprintf("%v", in.Spec.Object["schemaVersion"]),
fmt.Sprintf("%d", schemaversion.LATEST_VERSION),
errorType,
).Inc()
logger.Error("Dashboard conversion failed",
"sourceVersionAPI", dashv0.APIVERSION,
"targetVersionAPI", dashv1.APIVERSION,
"dashboardUID", in.UID,
"sourceSchemaVersion", in.Spec.Object["schemaVersion"],
"targetSchemaVersion", schemaversion.LATEST_VERSION,
"errorType", errorType,
"error", err)
return nil
}
migration.MDashboardConversionSuccessTotal.WithLabelValues(
dashv0.APIVERSION,
dashv1.APIVERSION,
fmt.Sprintf("%v", in.Spec.Object["schemaVersion"]),
fmt.Sprintf("%d", schemaversion.LATEST_VERSION),
).Inc()
return nil
}
func Convert_V0_to_V2alpha1(in *dashv0.Dashboard, out *dashv2alpha1.Dashboard, scope conversion.Scope) error {
out.ObjectMeta = in.ObjectMeta
// TODO (@radiohead): implement V0 to V2 conversion
// This is the bare minimum conversion that is needed to make the dashboard servable.
if v, ok := in.Spec.Object["title"]; ok {
if title, ok := v.(string); ok {
out.Spec.Title = title
}
}
// We need to make sure the layout is set to some value, otherwise the JSON marshaling will fail.
out.Spec.Layout = dashv2alpha1.DashboardGridLayoutKindOrRowsLayoutKindOrAutoGridLayoutKindOrTabsLayoutKind{
GridLayoutKind: &dashv2alpha1.DashboardGridLayoutKind{
Kind: "GridLayout",
Spec: dashv2alpha1.DashboardGridLayoutSpec{},
},
}
out.Status = dashv2alpha1.DashboardStatus{
Conversion: &dashv2alpha1.DashboardConversionStatus{
StoredVersion: ptr.To(dashv0.VERSION),
Failed: true,
Error: ptr.To("backend conversion not yet implemented"),
},
}
return nil
}
func Convert_V0_to_V2beta1(in *dashv0.Dashboard, out *dashv2beta1.Dashboard, scope conversion.Scope) error {
out.ObjectMeta = in.ObjectMeta
// TODO: implement V0 to v2beta1 conversion
out.Status = dashv2beta1.DashboardStatus{
Conversion: &dashv2beta1.DashboardConversionStatus{
StoredVersion: ptr.To(dashv0.VERSION),
Failed: true,
Error: ptr.To("backend conversion not yet implemented"),
},
}
return nil
}