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arch.go
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arch.go
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package rhel8
import (
"errors"
"fmt"
"sort"
"github.com/osbuild/images/pkg/distro"
"github.com/osbuild/images/pkg/platform"
)
type architecture struct {
distro *distribution
name string
imageTypes map[string]distro.ImageType
imageTypeAliases map[string]string
}
func (a *architecture) Name() string {
return a.name
}
func (a *architecture) ListImageTypes() []string {
itNames := make([]string, 0, len(a.imageTypes))
for name := range a.imageTypes {
itNames = append(itNames, name)
}
sort.Strings(itNames)
return itNames
}
func (a *architecture) GetImageType(name string) (distro.ImageType, error) {
t, exists := a.imageTypes[name]
if !exists {
aliasForName, exists := a.imageTypeAliases[name]
if !exists {
return nil, errors.New("invalid image type: " + name)
}
t, exists = a.imageTypes[aliasForName]
if !exists {
panic(fmt.Sprintf("image type '%s' is an alias to a non-existing image type '%s'", name, aliasForName))
}
}
return t, nil
}
func (a *architecture) addImageTypes(platform platform.Platform, imageTypes ...imageType) {
if a.imageTypes == nil {
a.imageTypes = map[string]distro.ImageType{}
}
for idx := range imageTypes {
it := imageTypes[idx]
if _, e := a.imageTypes[it.name]; e {
panic("already added: " + it.name)
}
it.arch = a
it.platform = platform
a.imageTypes[it.name] = &it
for _, alias := range it.nameAliases {
if a.imageTypeAliases == nil {
a.imageTypeAliases = map[string]string{}
}
if existingAliasFor, exists := a.imageTypeAliases[alias]; exists {
panic(fmt.Sprintf("image type alias '%s' for '%s' is already defined for another image type '%s'", alias, it.name, existingAliasFor))
}
a.imageTypeAliases[alias] = it.name
}
}
}
func (a *architecture) Distro() distro.Distro {
return a.distro
}