71 lines
1.3 KiB
Go
71 lines
1.3 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package main
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import (
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"embed"
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"flag"
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"log"
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"os"
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"path/filepath"
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"strings"
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"text/template"
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)
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var (
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out = flag.String("output", "./", "output directory")
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tag = flag.String("tag", "", "OpenTelemetry tagged version")
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//go:embed templates/*.tmpl
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rootFS embed.FS
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)
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// SemanticConventions are information about the semantic conventions being
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// generated.
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type SemanticConventions struct {
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// TagVer is the tagged version (i.e. v1.7.0 and not 1.7.0).
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TagVer string
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}
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func (sc SemanticConventions) SemVer() string {
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return strings.TrimPrefix(*tag, "v")
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}
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// render renders all templates to the dest directory using the data.
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func render(src, dest string, data *SemanticConventions) error {
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tmpls, err := template.ParseFS(rootFS, src)
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if err != nil {
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return err
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}
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for _, tmpl := range tmpls.Templates() {
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target := filepath.Join(dest, strings.TrimSuffix(tmpl.Name(), ".tmpl"))
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// nolint: gosec
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wr, err := os.Create(target)
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if err != nil {
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return err
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}
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err = tmpl.Execute(wr, data)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func main() {
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flag.Parse()
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if *tag == "" {
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log.Fatalf("invalid tag: %q", *tag)
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}
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sc := &SemanticConventions{TagVer: *tag}
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if err := render("templates/*.tmpl", *out, sc); err != nil {
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log.Fatal(err)
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}
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}
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