39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
package image
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import (
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"fmt"
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"runtime"
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"strings"
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)
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func archMatches(arch string) bool {
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// Special case x86_64 as an alias for amd64
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return arch == runtime.GOARCH || (arch == "x86_64" && runtime.GOARCH == "amd64")
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}
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// ValidateOSCompatibility validates that an image with the given properties can run on this machine.
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func ValidateOSCompatibility(os string, arch string, osVersion string, osFeatures []string) error {
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if os != "" && os != runtime.GOOS {
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return fmt.Errorf("image is for OS %s, expected %s", os, runtime.GOOS)
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}
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if arch != "" && !archMatches(arch) {
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return fmt.Errorf("image is for architecture %s, expected %s", arch, runtime.GOARCH)
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}
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if osVersion != "" {
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thisOSVersion := getOSVersion()
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if thisOSVersion != osVersion {
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return fmt.Errorf("image is for OS version '%s', expected '%s'", osVersion, thisOSVersion)
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}
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}
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var missing []string
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for _, f := range osFeatures {
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if !hasOSFeature(f) {
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missing = append(missing, f)
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}
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}
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if len(missing) > 0 {
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return fmt.Errorf("image requires missing OS features: %s", strings.Join(missing, ", "))
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}
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return nil
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}
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