mirror of
https://github.com/containers/podman.git
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ee5153c545
Adds provider detection for LibKrun in `pkg/provider/platform_darwin.go`. Changes the macOS version check to 13 instead of 11, and now uses the `semver` package to verify current version. Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
122 lines
3.2 KiB
Go
122 lines
3.2 KiB
Go
package provider
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import (
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"bytes"
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"fmt"
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"os"
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"os/exec"
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"runtime"
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"strings"
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"github.com/blang/semver/v4"
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"github.com/containers/common/pkg/config"
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"github.com/containers/podman/v5/pkg/machine/applehv"
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"github.com/containers/podman/v5/pkg/machine/define"
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"github.com/containers/podman/v5/pkg/machine/libkrun"
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"github.com/containers/podman/v5/pkg/machine/vmconfigs"
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"github.com/sirupsen/logrus"
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)
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func Get() (vmconfigs.VMProvider, error) {
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cfg, err := config.Default()
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if err != nil {
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return nil, err
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}
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provider := cfg.Machine.Provider
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if providerOverride, found := os.LookupEnv("CONTAINERS_MACHINE_PROVIDER"); found {
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provider = providerOverride
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}
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resolvedVMType, err := define.ParseVMType(provider, define.AppleHvVirt)
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if err != nil {
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return nil, err
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}
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logrus.Debugf("Using Podman machine with `%s` virtualization provider", resolvedVMType.String())
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switch resolvedVMType {
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case define.AppleHvVirt:
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return new(applehv.AppleHVStubber), nil
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case define.LibKrun:
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return new(libkrun.LibKrunStubber), nil
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default:
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return nil, fmt.Errorf("unsupported virtualization provider: `%s`", resolvedVMType.String())
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}
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}
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// SupportedProviders returns the providers that are supported on the host operating system
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func SupportedProviders() []define.VMType {
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supported := []define.VMType{define.AppleHvVirt}
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if runtime.GOARCH == "arm64" {
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return append(supported, define.LibKrun)
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}
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return supported
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}
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// InstalledProviders returns the supported providers that are installed on the host
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func InstalledProviders() ([]define.VMType, error) {
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installed := []define.VMType{}
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appleHvInstalled, err := appleHvInstalled()
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if err != nil {
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return nil, err
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}
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if appleHvInstalled {
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installed = append(installed, define.AppleHvVirt)
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}
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libKrunInstalled, err := libKrunInstalled()
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if err != nil {
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return nil, err
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}
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if libKrunInstalled {
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installed = append(installed, define.LibKrun)
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}
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return installed, nil
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}
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func appleHvInstalled() (bool, error) {
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var outBuf bytes.Buffer
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// Apple's Virtualization.Framework is only supported on MacOS 11.0+,
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// but to use EFI MacOS 13.0+ is required
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expectedVer, err := semver.Make("13.0.0")
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if err != nil {
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return false, err
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}
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cmd := exec.Command("sw_vers", "--productVersion")
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cmd.Stdout = &outBuf
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if err := cmd.Run(); err != nil {
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return false, fmt.Errorf("unable to check current macOS version using `sw_vers --productVersion`: %s", err)
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}
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// the output will be in the format of MAJOR.MINOR.PATCH
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output := strings.TrimSuffix(outBuf.String(), "\n")
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currentVer, err := semver.Make(output)
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if err != nil {
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return false, err
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}
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return currentVer.GTE(expectedVer), nil
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}
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func libKrunInstalled() (bool, error) {
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if runtime.GOARCH != "arm64" {
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return false, nil
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}
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// need to verify that krunkit, virglrenderer, and libkrun-efi are installed
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cfg, err := config.Default()
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if err != nil {
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return false, err
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}
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_, err = cfg.FindHelperBinary("krunkit", false)
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return err == nil, nil
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}
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// HasPermsForProvider returns whether the host operating system has the proper permissions to use the given provider
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func HasPermsForProvider(provider define.VMType) bool {
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// there are no permissions required for AppleHV or LibKrun
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return provider == define.AppleHvVirt || provider == define.LibKrun
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}
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