mirror of https://github.com/grafana/grafana.git
96 lines
2.7 KiB
Cheetah
96 lines
2.7 KiB
Cheetah
package {{ .Meta.MachineName }}
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import (
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"github.com/grafana/grafana/pkg/kindsys"
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"github.com/grafana/thema"
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"github.com/grafana/thema/vmux"
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)
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// rootrel is the relative path from the grafana repository root to the
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// directory containing the .cue files in which this kind is declared. Necessary
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// for runtime errors related to the declaration and/or lineage to provide
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// a real path to the correct .cue file.
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const rootrel string = "kinds/structured/{{ .Meta.MachineName }}"
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// TODO standard generated docs
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type Kind struct {
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lin thema.ConvergentLineage[*{{ .Meta.Name }}]
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jcodec vmux.Codec
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valmux vmux.ValueMux[*{{ .Meta.Name }}]
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decl kindsys.Decl[kindsys.CoreStructuredMeta]
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}
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// type guard
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var _ kindsys.Structured = &Kind{}
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// TODO standard generated docs
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func NewKind(rt *thema.Runtime, opts ...thema.BindOption) (*Kind, error) {
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decl, err := kindsys.LoadCoreKind[kindsys.CoreStructuredMeta](rootrel, rt.Context(), nil)
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if err != nil {
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return nil, err
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}
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k := &Kind{
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decl: *decl,
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}
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lin, err := decl.Some().BindKindLineage(rt, opts...)
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if err != nil {
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return nil, err
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}
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// Get the thema.Schema that the meta says is in the current version (which
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// codegen ensures is always the latest)
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cursch := thema.SchemaP(lin, k.decl.Meta.CurrentVersion)
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tsch, err := thema.BindType[*{{ .Meta.Name }}](cursch, &{{ .Meta.Name }}{})
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if err != nil {
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// Should be unreachable, modulo bugs in the Thema->Go code generator
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return nil, err
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}
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k.jcodec = vmux.NewJSONCodec("{{ .Meta.MachineName }}.json")
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k.lin = tsch.ConvergentLineage()
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k.valmux = vmux.NewValueMux(k.lin.TypedSchema(), k.jcodec)
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return k, nil
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}
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// TODO standard generated docs
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func (k *Kind) Name() string {
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return "{{ .Meta.MachineName }}"
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}
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// TODO standard generated docs
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func (k *Kind) MachineName() string {
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return "{{ .Meta.MachineName }}"
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}
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// TODO standard generated docs
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func (k *Kind) Lineage() thema.Lineage {
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return k.lin
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}
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// TODO standard generated docs
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func (k *Kind) ConvergentLineage() thema.ConvergentLineage[*{{ .Meta.Name }}] {
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return k.lin
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}
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// JSONValueMux is a version multiplexer that maps a []byte containing JSON data
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// at any schematized dashboard version to an instance of {{ .Meta.Name }}.
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//
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// Validation and translation errors emitted from this func will identify the
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// input bytes as "dashboard.json".
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//
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// This is a thin wrapper around Thema's [vmux.ValueMux].
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func (k *Kind) JSONValueMux(b []byte) (*{{ .Meta.Name }}, thema.TranslationLacunas, error) {
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return k.valmux(b)
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}
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// TODO standard generated docs
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func (k *Kind) Maturity() kindsys.Maturity {
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return k.decl.Meta.Maturity
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}
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// TODO standard generated docs
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func (k *Kind) Meta() kindsys.CoreStructuredMeta {
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return k.decl.Meta
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}
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