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cvo-overrides.go
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cvo-overrides.go
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package bootkube
import (
"os"
"path/filepath"
"github.com/openshift/installer/pkg/asset"
"github.com/openshift/installer/pkg/asset/templates/content"
)
const (
cVOOverridesFileName = "cvo-overrides.yaml.template"
)
var _ asset.WritableAsset = (*CVOOverrides)(nil)
// CVOOverrides is an asset that generates the cvo-override.yaml.template file.
// This is a gate to prevent CVO from installing these operators which conflict
// with resources already owned by other operators.
// This files can be dropped when the overrides list becomes empty.
type CVOOverrides struct {
FileList []*asset.File
}
// Dependencies returns all of the dependencies directly needed by the asset
func (t *CVOOverrides) Dependencies() []asset.Asset {
return []asset.Asset{}
}
// Name returns the human-friendly name of the asset.
func (t *CVOOverrides) Name() string {
return "CVOOverrides"
}
// Generate generates the actual files by this asset
func (t *CVOOverrides) Generate(parents asset.Parents) error {
fileName := cVOOverridesFileName
data, err := content.GetBootkubeTemplate(fileName)
if err != nil {
return err
}
t.FileList = []*asset.File{
{
Filename: filepath.Join(content.TemplateDir, fileName),
Data: []byte(data),
},
}
return nil
}
// Files returns the files generated by the asset.
func (t *CVOOverrides) Files() []*asset.File {
return t.FileList
}
// Load returns the asset from disk.
func (t *CVOOverrides) Load(f asset.FileFetcher) (bool, error) {
file, err := f.FetchByName(filepath.Join(content.TemplateDir, cVOOverridesFileName))
if err != nil {
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
t.FileList = []*asset.File{file}
return true, nil
}