102 lines
3.5 KiB
Go
102 lines
3.5 KiB
Go
package conversion
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import (
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"context"
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"github.com/grafana/authlib/types"
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"github.com/grafana/grafana/pkg/apimachinery/identity"
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"k8s.io/apimachinery/pkg/conversion"
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"k8s.io/utils/ptr"
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dashv0 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v0alpha1"
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dashv1 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v1beta1"
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dashv2alpha1 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v2alpha1"
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dashv2beta1 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v2beta1"
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"github.com/grafana/grafana/apps/dashboard/pkg/migration"
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"github.com/grafana/grafana/apps/dashboard/pkg/migration/schemaversion"
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"k8s.io/apiserver/pkg/endpoints/request"
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)
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func Convert_V0_to_V1(in *dashv0.Dashboard, out *dashv1.Dashboard, scope conversion.Scope) error {
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out.ObjectMeta = in.ObjectMeta
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out.Spec.Object = in.Spec.Object
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out.Status = dashv1.DashboardStatus{
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Conversion: &dashv1.DashboardConversionStatus{
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StoredVersion: ptr.To(dashv0.VERSION),
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},
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}
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// the scope passed into this function is used in k8s apimachinery for migrations, but we also need the context
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// to have what grafana expects in the request context, so that we can retrieve datasources for migrating
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// some of the old dashboard schemas (these migrations used to be run in the frontend)
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ctx := request.WithNamespace(context.Background(), in.GetNamespace())
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nsInfo, err := types.ParseNamespace(in.GetNamespace())
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if err != nil {
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out.Status.Conversion.Failed = true
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out.Status.Conversion.Error = ptr.To(err.Error())
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return nil
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}
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// a background service identity is used here because the user who is reading the specific dashboard
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// may not have access to all the datasources in the dashboard, but the migration still needs to take place
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// in order to be able to convert between k8s versions (so that we have a guaranteed structure to convert between)
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ctx, _ = identity.WithServiceIdentity(ctx, nsInfo.OrgID)
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if err := migration.Migrate(ctx, out.Spec.Object, schemaversion.LATEST_VERSION); err != nil {
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out.Status.Conversion.Failed = true
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out.Status.Conversion.Error = ptr.To(err.Error())
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return nil
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}
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return nil
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}
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func Convert_V0_to_V2alpha1(in *dashv0.Dashboard, out *dashv2alpha1.Dashboard, scope conversion.Scope) error {
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out.ObjectMeta = in.ObjectMeta
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// TODO (@radiohead): implement V0 to V2 conversion
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// This is the bare minimum conversion that is needed to make the dashboard servable.
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if v, ok := in.Spec.Object["title"]; ok {
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if title, ok := v.(string); ok {
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out.Spec.Title = title
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}
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}
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// We need to make sure the layout is set to some value, otherwise the JSON marshaling will fail.
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out.Spec.Layout = dashv2alpha1.DashboardGridLayoutKindOrRowsLayoutKindOrAutoGridLayoutKindOrTabsLayoutKind{
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GridLayoutKind: &dashv2alpha1.DashboardGridLayoutKind{
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Kind: "GridLayout",
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Spec: dashv2alpha1.DashboardGridLayoutSpec{},
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},
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}
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out.Status = dashv2alpha1.DashboardStatus{
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Conversion: &dashv2alpha1.DashboardConversionStatus{
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StoredVersion: ptr.To(dashv0.VERSION),
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Failed: true,
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Error: ptr.To("backend conversion not yet implemented"),
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},
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}
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return nil
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}
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func Convert_V0_to_V2beta1(in *dashv0.Dashboard, out *dashv2beta1.Dashboard, scope conversion.Scope) error {
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out.ObjectMeta = in.ObjectMeta
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// TODO: implement V0 to v2beta1 conversion
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out.Status = dashv2beta1.DashboardStatus{
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Conversion: &dashv2beta1.DashboardConversionStatus{
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StoredVersion: ptr.To(dashv0.VERSION),
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Failed: true,
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Error: ptr.To("backend conversion not yet implemented"),
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},
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}
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return nil
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}
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