buildkit/util/binfmt_misc/detect.go

104 lines
2.8 KiB
Go

package binfmt_misc
import (
"strings"
"sync"
"github.com/containerd/containerd/platforms"
"github.com/sirupsen/logrus"
)
var once sync.Once
var arr []string
func SupportedPlatforms() []string {
once.Do(func() {
def := defaultPlatform()
arr = append(arr, def)
if p := "linux/amd64"; def != p && amd64Supported() == nil {
arr = append(arr, p)
}
if p := "linux/arm64"; def != p && arm64Supported() == nil {
arr = append(arr, p)
}
if p := "linux/riscv64"; def != p && riscv64Supported() == nil {
arr = append(arr, p)
}
if p := "linux/ppc64le"; def != p && ppc64leSupported() == nil {
arr = append(arr, p)
}
if p := "linux/s390x"; def != p && s390xSupported() == nil {
arr = append(arr, p)
}
if p := "linux/386"; def != p && i386Supported() == nil {
arr = append(arr, p)
}
if !strings.HasPrefix(def, "linux/arm/") && armSupported() == nil {
arr = append(arr, "linux/arm/v7", "linux/arm/v6")
} else if def == "linux/arm/v7" {
arr = append(arr, "linux/arm/v6")
}
})
return arr
}
//WarnIfUnsupported validates the platforms and show warning message if there is,
//the end user could fix the issue based on those warning, and thus no need to drop
//the platform from the candidates.
func WarnIfUnsupported(pfs []string) {
def := defaultPlatform()
for _, p := range pfs {
if p != def {
if p == "linux/amd64" {
if err := amd64Supported(); err != nil {
printPlatfromWarning(p, err)
}
}
if p == "linux/arm64" {
if err := arm64Supported(); err != nil {
printPlatfromWarning(p, err)
}
}
if p == "linux/riscv64" {
if err := riscv64Supported(); err != nil {
printPlatfromWarning(p, err)
}
}
if p == "linux/ppc64le" {
if err := ppc64leSupported(); err != nil {
printPlatfromWarning(p, err)
}
}
if p == "linux/s390x" {
if err := s390xSupported(); err != nil {
printPlatfromWarning(p, err)
}
}
if p == "linux/386" {
if err := i386Supported(); err != nil {
printPlatfromWarning(p, err)
}
}
if strings.HasPrefix(p, "linux/arm/v6") || strings.HasPrefix(p, "linux/arm/v7") {
if err := armSupported(); err != nil {
printPlatfromWarning(p, err)
}
}
}
}
}
func defaultPlatform() string {
return platforms.Format(platforms.Normalize(platforms.DefaultSpec()))
}
func printPlatfromWarning(p string, err error) {
if strings.Contains(err.Error(), "exec format error") {
logrus.Warnf("platform %s cannot pass the validation, kernel support for miscellaneous binary may have not enabled.", p)
} else if strings.Contains(err.Error(), "no such file or directory") {
logrus.Warnf("platforms %s cannot pass the validation, '-F' flag might have not set for 'binfmt_misc'.", p)
} else {
logrus.Warnf("platforms %s cannot pass the validation: %s", p, err.Error())
}
}