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Merge pull request #73 from foomo/schema
feat: use custom chart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| package config | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "path" | ||
|
|
||
| "github.com/foomo/squadron/internal/template" | ||
| "github.com/pkg/errors" | ||
| "gopkg.in/yaml.v3" | ||
| ) | ||
|
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| type Chart struct { | ||
| Name string `json:"name,omitempty" yaml:"name,omitempty"` | ||
| Repository string `json:"repository,omitempty" yaml:"repository,omitempty"` | ||
| Version string `json:"version,omitempty" yaml:"version,omitempty"` | ||
| Alias string `json:"alias,omitempty" yaml:"alias,omitempty"` | ||
| } | ||
|
|
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| func (d *Chart) UnmarshalYAML(value *yaml.Node) error { | ||
| switch value.Tag { | ||
| case "!!map": | ||
| type wrapper Chart | ||
| return value.Decode((*wrapper)(d)) | ||
| case "!!str": | ||
| var vString string | ||
| if err := value.Decode(&vString); err != nil { | ||
| return err | ||
| } | ||
| vBytes, err := template.ExecuteFileTemplate(context.Background(), vString, nil, true) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to render chart string") | ||
| } | ||
| localChart, err := loadChart(path.Join(string(vBytes), "Chart.yaml")) | ||
| if err != nil { | ||
| return errors.New("failed to load local chart: " + vString) | ||
| } | ||
| d.Name = localChart.Name | ||
| d.Repository = fmt.Sprintf("file://%v", vString) | ||
| d.Version = localChart.Version | ||
| return nil | ||
| default: | ||
| return fmt.Errorf("unsupported node tag type for %T: %q", d, value.Tag) | ||
| } | ||
| } | ||
|
|
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| func (d *Chart) String() string { | ||
| return fmt.Sprintf("%s/%s:%s", d.Repository, d.Name, d.Version) | ||
| } | ||
|
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| func loadChart(name string) (*Chart, error) { | ||
| c := Chart{} | ||
| file, err := os.ReadFile(name) | ||
| if err != nil { | ||
| return nil, errors.Wrap(err, "error while opening file") | ||
| } | ||
| if err := yaml.Unmarshal(file, &c); err != nil { | ||
| return nil, errors.Wrap(err, "error while unmarshalling template file") | ||
| } | ||
| return &c, nil | ||
| } |
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