mirror of
https://github.com/foomo/squadron.git
synced 2025-10-16 12:35:42 +00:00
91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
package config
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import (
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"context"
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"fmt"
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"os"
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"path"
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"path/filepath"
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"github.com/foomo/squadron/internal/template"
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"github.com/pkg/errors"
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"gopkg.in/yaml.v3"
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)
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type Chart struct {
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// Chart name
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Name string `json:"name,omitempty" yaml:"name,omitempty"`
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// Chart repository
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Repository string `json:"repository,omitempty" yaml:"repository,omitempty"`
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// Values schema json
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Schema string `json:"schema,omitempty" yaml:"schema,omitempty"`
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// Chart version
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Version string `json:"version,omitempty" yaml:"version,omitempty"`
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// Chart alias
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Alias string `json:"alias,omitempty" yaml:"alias,omitempty"`
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}
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func (d *Chart) UnmarshalYAML(value *yaml.Node) error {
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switch value.Tag {
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case "!!map":
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type wrapper Chart
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return value.Decode((*wrapper)(d))
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case "!!str":
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var vString string
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if err := value.Decode(&vString); err != nil {
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return err
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}
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vBytes, err := template.ExecuteFileTemplate(context.Background(), vString, nil, true)
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if err != nil {
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return errors.Wrap(err, "failed to render chart string")
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}
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localChart, err := loadChart(path.Join(string(vBytes), "Chart.yaml"))
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if err != nil {
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return errors.New("failed to load local chart: " + vString)
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}
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d.Name = localChart.Name
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d.Repository = fmt.Sprintf("file://%v", vString)
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d.Version = localChart.Version
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wd, err := os.Getwd()
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if err != nil {
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return errors.Wrap(err, "failed to get working directory")
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}
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schemaPath := string(vBytes)
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if value, err := filepath.Rel(wd, string(vBytes)); err == nil {
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schemaPath = value
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}
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if _, err := os.Stat(path.Join(schemaPath, "values.schema.json")); err == nil {
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d.Schema = path.Join(schemaPath, "values.schema.json")
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}
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return nil
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default:
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return fmt.Errorf("unsupported node tag type for %T: %q", d, value.Tag)
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}
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}
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func (d *Chart) String() string {
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return fmt.Sprintf("%s/%s:%s", d.Repository, d.Name, d.Version)
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}
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func loadChart(name string) (*Chart, error) {
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c := Chart{}
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file, err := os.ReadFile(name)
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if err != nil {
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return nil, errors.Wrap(err, "error while opening file")
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}
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if err := yaml.Unmarshal(file, &c); err != nil {
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return nil, errors.Wrap(err, "error while unmarshalling template file")
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}
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return &c, nil
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}
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