59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Polyform License
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// that can be found in the LICENSE file.
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package resource
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import (
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"errors"
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"github.com/drone/runner-go/manifest"
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"github.com/buildkite/yaml"
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)
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func init() {
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manifest.Register(parse)
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}
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// parse parses the raw resource and returns an Exec pipeline.
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func parse(r *manifest.RawResource) (manifest.Resource, bool, error) {
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if !match(r) {
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return nil, false, nil
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}
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out := new(Pipeline)
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err := yaml.Unmarshal(r.Data, out)
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if err != nil {
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return out, true, err
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}
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err = lint(out)
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return out, true, err
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}
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// match returns true if the resource matches the kind and type.
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func match(r *manifest.RawResource) bool {
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return (r.Kind == Kind && r.Type == Type) ||
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(r.Kind == Kind && r.Type == "")
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}
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func lint(pipeline *Pipeline) error {
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// ensure pipeline steps are not unique.
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names := map[string]struct{}{}
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for _, step := range pipeline.Steps {
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if step == nil {
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return errors.New("Linter: detected nil step")
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}
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if step.Name == "" {
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return errors.New("Linter: invalid or missing step name")
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}
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if len(step.Name) > 100 {
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return errors.New("Linter: step name cannot exceed 100 characters")
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}
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if _, ok := names[step.Name]; ok {
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return errors.New("Linter: duplicate step name")
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}
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names[step.Name] = struct{}{}
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}
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return nil
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}
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