68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
package binfmt_misc
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import (
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"strings"
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"sync"
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"github.com/containerd/containerd/platforms"
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"github.com/sirupsen/logrus"
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)
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var once sync.Once
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var arr []string
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func SupportedPlatforms() []string {
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once.Do(func() {
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def := platforms.DefaultString()
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arr = append(arr, def)
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if p := "linux/amd64"; def != p && amd64Supported() == nil {
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arr = append(arr, p)
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}
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if p := "linux/arm64"; def != p && arm64Supported() == nil {
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arr = append(arr, p)
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}
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if !strings.HasPrefix(def, "linux/arm/") && armSupported() == nil {
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arr = append(arr, "linux/arm/v7", "linux/arm/v6")
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} else if def == "linux/arm/v7" {
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arr = append(arr, "linux/arm/v6")
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}
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})
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return arr
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}
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//WarnIfUnsupported validates the platforms and show warning message if there is,
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//the end user could fix the issue based on those warning, and thus no need to drop
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//the platform from the candidates.
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func WarnIfUnsupported(pfs []string) {
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def := platforms.DefaultString()
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for _, p := range pfs {
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if p != def {
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if p == "linux/amd64" {
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if err := amd64Supported(); err != nil {
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printPlatfromWarning(p, err)
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}
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}
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if p == "linux/arm64" {
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if err := arm64Supported(); err != nil {
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printPlatfromWarning(p, err)
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}
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}
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if strings.HasPrefix(p, "linux/arm/v6") || strings.HasPrefix(p, "linux/arm/v7") {
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if err := armSupported(); err != nil {
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printPlatfromWarning(p, err)
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}
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}
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}
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}
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}
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func printPlatfromWarning(p string, err error) {
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if strings.Contains(err.Error(), "exec format error") {
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logrus.Warnf("platform %s cannot pass the validation, kernel support for miscellaneous binary may have not enabled.", p)
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} else if strings.Contains(err.Error(), "no such file or directory") {
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logrus.Warnf("platforms %s cannot pass the validation, '-F' flag might have not set for 'binfmt_misc'.", p)
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} else {
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logrus.Warnf("platforms %s cannot pass the validation: %s", p, err.Error())
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}
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}
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