mirror of
https://github.com/grafana/grafana.git
synced 2024-12-01 21:19:28 -06:00
129 lines
3.2 KiB
Go
129 lines
3.2 KiB
Go
package codegen
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import (
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"bytes"
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"fmt"
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"go/format"
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"strings"
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"cuelang.org/go/cue"
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"github.com/dave/dst/dstutil"
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"github.com/grafana/codejen"
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"github.com/grafana/kindsys"
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"github.com/grafana/thema/encoding/gocode"
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"github.com/grafana/thema/encoding/openapi"
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)
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var schPath = cue.MakePath(cue.Hid("_#schema", "github.com/grafana/thema"))
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type ResourceGoTypesJenny struct {
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ApplyFuncs []dstutil.ApplyFunc
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ExpandReferences bool
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}
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func (*ResourceGoTypesJenny) JennyName() string {
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return "GoTypesJenny"
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}
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func (ag *ResourceGoTypesJenny) Generate(kind kindsys.Kind) (*codejen.File, error) {
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comm := kind.Props().Common()
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sfg := SchemaForGen{
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Name: comm.Name,
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Schema: kind.Lineage().Latest(),
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IsGroup: comm.LineageIsGroup,
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}
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sch := sfg.Schema
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iter, err := sch.Underlying().LookupPath(schPath).Fields()
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if err != nil {
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return nil, err
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}
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var subr []string
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for iter.Next() {
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subr = append(subr, typeNameFromKey(iter.Selector().String()))
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}
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buf := new(bytes.Buffer)
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mname := kind.Props().Common().MachineName
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if err := tmpls.Lookup("core_resource.tmpl").Execute(buf, tvars_resource{
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PackageName: mname,
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KindName: kind.Props().Common().Name,
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Version: strings.Replace(sfg.Schema.Version().String(), ".", "-", -1),
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SubresourceNames: subr,
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}); err != nil {
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return nil, fmt.Errorf("failed executing core resource template: %w", err)
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}
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if err != nil {
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return nil, err
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}
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content, err := format.Source(buf.Bytes())
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if err != nil {
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return nil, err
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}
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return codejen.NewFile(fmt.Sprintf("pkg/kinds/%s/%s_gen.go", mname, mname), content, ag), nil
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}
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type SubresourceGoTypesJenny struct {
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ApplyFuncs []dstutil.ApplyFunc
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ExpandReferences bool
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}
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func (*SubresourceGoTypesJenny) JennyName() string {
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return "GoResourceTypes"
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}
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func (g *SubresourceGoTypesJenny) Generate(kind kindsys.Kind) (codejen.Files, error) {
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comm := kind.Props().Common()
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sfg := SchemaForGen{
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Name: comm.Name,
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Schema: kind.Lineage().Latest(),
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IsGroup: comm.LineageIsGroup,
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}
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sch := sfg.Schema
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// Iterate through all top-level fields and make go types for them
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// (this should consist of "spec" and arbitrary subresources)
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i, err := sch.Underlying().LookupPath(schPath).Fields()
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if err != nil {
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return nil, err
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}
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files := make(codejen.Files, 0)
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for i.Next() {
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str := i.Selector().String()
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b, err := gocode.GenerateTypesOpenAPI(sch, &gocode.TypeConfigOpenAPI{
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// TODO will need to account for sanitizing e.g. dashes here at some point
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Config: &openapi.Config{
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Group: false, // TODO: better
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RootName: typeNameFromKey(str),
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Subpath: cue.MakePath(cue.Str(str)),
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},
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PackageName: sfg.Schema.Lineage().Name(),
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ApplyFuncs: append(g.ApplyFuncs, PrefixDropper(sfg.Name)),
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})
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if err != nil {
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return nil, err
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}
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name := sfg.Schema.Lineage().Name()
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files = append(files, codejen.File{
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RelativePath: fmt.Sprintf("pkg/kinds/%s/%s_%s_gen.go", name, name, strings.ToLower(str)),
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Data: b,
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From: []codejen.NamedJenny{g},
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})
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}
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return files, nil
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}
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func typeNameFromKey(key string) string {
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if len(key) > 0 {
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return strings.ToUpper(key[:1]) + key[1:]
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}
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return strings.ToUpper(key)
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}
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