// setDefaultIsolation determine the default isolation mode for the
// daemon to run in. This is only applicable on Windows
func (daemon *Daemon) setDefaultIsolation() error {
daemon.defaultIsolation = containertypes.Isolation("process")
// On client SKUs, default to Hyper-V
if system.IsWindowsClient() {
daemon.defaultIsolation = containertypes.Isolation("hyperv")
}
for _, option := range daemon.configStore.ExecOptions {
key, val, err := parsers.ParseKeyValueOpt(option)
if err != nil {
return err
}
key = strings.ToLower(key)
switch key {
case "isolation":
if !containertypes.Isolation(val).IsValid() {
return fmt.Errorf("Invalid exec-opt value for 'isolation':'%s'", val)
}
if containertypes.Isolation(val).IsHyperV() {
daemon.defaultIsolation = containertypes.Isolation("hyperv")
}
if containertypes.Isolation(val).IsProcess() {
if system.IsWindowsClient() {
return fmt.Errorf("Windows client operating systems only support Hyper-V containers")
}
daemon.defaultIsolation = containertypes.Isolation("process")
}
default:
return fmt.Errorf("Unrecognised exec-opt '%s'\n", key)
}
}
logrus.Infof("Windows default isolation mode: %s", daemon.defaultIsolation)
return nil
}
// verifyPlatformContainerSettings performs platform-specific validation of the
// hostconfig and config structures.
func verifyPlatformContainerSettings(daemon *Daemon, hostConfig *containertypes.HostConfig, config *containertypes.Config, update bool) ([]string, error) {
warnings := []string{}
hyperv := daemon.runAsHyperVContainer(hostConfig)
if !hyperv && system.IsWindowsClient() {
// @engine maintainers. This block should not be removed. It partially enforces licensing
// restrictions on Windows. Ping @jhowardmsft if there are concerns or PRs to change this.
return warnings, fmt.Errorf("Windows client operating systems only support Hyper-V containers")
}
w, err := verifyContainerResources(&hostConfig.Resources, hyperv)
warnings = append(warnings, w...)
return warnings, err
}
// setDefaultIsolation determine the default isolation mode for the
// daemon to run in. This is only applicable on Windows
func (daemon *Daemon) setDefaultIsolation() error {
daemon.defaultIsolation = containertypes.Isolation("process")
// On client SKUs, default to Hyper-V
if system.IsWindowsClient() {
daemon.defaultIsolation = containertypes.Isolation("hyperv")
}
for _, option := range daemon.configStore.ExecOptions {
key, val, err := parsers.ParseKeyValueOpt(option)
if err != nil {
return err
}
key = strings.ToLower(key)
switch key {
case "isolation":
if !containertypes.Isolation(val).IsValid() {
return fmt.Errorf("Invalid exec-opt value for 'isolation':'%s'", val)
}
if containertypes.Isolation(val).IsHyperV() {
daemon.defaultIsolation = containertypes.Isolation("hyperv")
}
if containertypes.Isolation(val).IsProcess() {
if system.IsWindowsClient() {
// @engine maintainers. This block should not be removed. It partially enforces licensing
// restrictions on Windows. Ping @jhowardmsft if there are concerns or PRs to change this.
return fmt.Errorf("Windows client operating systems only support Hyper-V containers")
}
daemon.defaultIsolation = containertypes.Isolation("process")
}
default:
return fmt.Errorf("Unrecognised exec-opt '%s'\n", key)
}
}
logrus.Infof("Windows default isolation mode: %s", daemon.defaultIsolation)
return nil
}