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platform.go
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platform.go
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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
// Licensed under the BSD-3-Clause License (the "License").
// You may not use this file except in compliance with the License.
package platform
type Platform string
const (
PlatformUnknown = Platform("unknown")
PlatformFirecracker = Platform("fc")
PlatformQEMU = Platform("qemu")
PlatformKVM = PlatformQEMU
PlatformXen = Platform("xen")
)
// String implements fmt.Stringer
func (ht Platform) String() string {
return string(ht)
}
// PlatformByName returns the platform for a given name.
// If the name is not known, it returns it unchanged.
func PlatformByName(name string) Platform {
platforms := PlatformsByName()
if _, ok := platforms[name]; !ok {
return Platform(name)
}
return platforms[name]
}
// PlatformsByName returns the list of known platforms and their name alises.
func PlatformsByName() map[string]Platform {
return map[string]Platform{
"fc": PlatformFirecracker,
"firecracker": PlatformFirecracker,
"kvm": PlatformQEMU,
"qemu": PlatformQEMU,
"xen": PlatformXen,
}
}
// Platforms returns all the unique platforms.
func Platforms() []Platform {
return []Platform{
PlatformFirecracker,
PlatformQEMU,
PlatformXen,
}
}
// PlatformAliases returns all the name alises for a given platform.
func PlatformAliases() map[Platform][]string {
aliases := map[Platform][]string{}
for alias, plat := range PlatformsByName() {
if aliases[plat] == nil {
aliases[plat] = make([]string, 0)
}
aliases[plat] = append(aliases[plat], alias)
}
return aliases
}