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// Copyright 2013 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package instance
import (
"fmt"
)
type ContainerType string
const (
NONE = ContainerType("none")
LXC = ContainerType("lxc")
KVM = ContainerType("kvm")
)
// SupportedContainerTypes is used to validate add-machine arguments.
var SupportedContainerTypes []ContainerType = []ContainerType{
LXC,
}
// ParseSupportedContainerTypeOrNone converts the specified string into a supported
// ContainerType instance or returns an error if the container type is invalid.
// For this version of the function, 'none' is a valid value.
func ParseSupportedContainerTypeOrNone(ctype string) (ContainerType, error) {
if ContainerType(ctype) == NONE {
return NONE, nil
}
return ParseSupportedContainerType(ctype)
}
// ParseSupportedContainerType converts the specified string into a supported
// ContainerType instance or returns an error if the container type is invalid.
func ParseSupportedContainerType(ctype string) (ContainerType, error) {
for _, supportedType := range SupportedContainerTypes {
if ContainerType(ctype) == supportedType {
return supportedType, nil
}
}
return "", fmt.Errorf("invalid container type %q", ctype)
}
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