48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
// +build windows,!no_lcow
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package system // import "github.com/docker/docker/pkg/system"
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import (
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"strings"
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"github.com/Microsoft/hcsshim/osversion"
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specs "github.com/opencontainers/image-spec/specs-go/v1"
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"github.com/pkg/errors"
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)
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var (
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// lcowSupported determines if Linux Containers on Windows are supported.
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lcowSupported = false
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)
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// InitLCOW sets whether LCOW is supported or not. Requires RS5+
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func InitLCOW(experimental bool) {
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if experimental && osversion.Build() >= osversion.RS5 {
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lcowSupported = true
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}
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}
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func LCOWSupported() bool {
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return lcowSupported
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}
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// ValidatePlatform determines if a platform structure is valid.
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// TODO This is a temporary windows-only function, should be replaced by
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// comparison of worker capabilities
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func ValidatePlatform(platform specs.Platform) error {
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if !IsOSSupported(platform.OS) {
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return errors.Errorf("unsupported os %s", platform.OS)
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}
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return nil
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}
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// IsOSSupported determines if an operating system is supported by the host
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func IsOSSupported(os string) bool {
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if strings.EqualFold("windows", os) {
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return true
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}
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if LCOWSupported() && strings.EqualFold(os, "linux") {
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return true
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}
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return false
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}
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