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moby--moby/runconfig/hostconfig_unix.go
John Howard (VM) 4af3389d43 Windows: Balk on --privileged
Signed-off-by: John Howard (VM) <jhoward@ntdev.microsoft.com>
2017-03-13 08:56:17 -07:00

105 lines
3.2 KiB
Go

// +build !windows,!solaris
package runconfig
import (
"fmt"
"runtime"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/pkg/sysinfo"
)
// DefaultDaemonNetworkMode returns the default network stack the daemon should
// use.
func DefaultDaemonNetworkMode() container.NetworkMode {
return container.NetworkMode("bridge")
}
// IsPreDefinedNetwork indicates if a network is predefined by the daemon
func IsPreDefinedNetwork(network string) bool {
n := container.NetworkMode(network)
return n.IsBridge() || n.IsHost() || n.IsNone() || n.IsDefault() || network == "ingress"
}
// validateNetMode ensures that the various combinations of requested
// network settings are valid.
func validateNetMode(c *container.Config, hc *container.HostConfig) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
err := validateNetContainerMode(c, hc)
if err != nil {
return err
}
if hc.UTSMode.IsHost() && c.Hostname != "" {
return ErrConflictUTSHostname
}
if hc.NetworkMode.IsHost() && len(hc.Links) > 0 {
return ErrConflictHostNetworkAndLinks
}
return nil
}
// validateIsolation performs platform specific validation of
// isolation in the hostconfig structure. Linux only supports "default"
// which is LXC container isolation
func validateIsolation(hc *container.HostConfig) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
if !hc.Isolation.IsValid() {
return fmt.Errorf("invalid --isolation: %q - %s only supports 'default'", hc.Isolation, runtime.GOOS)
}
return nil
}
// validateQoS performs platform specific validation of the QoS settings
func validateQoS(hc *container.HostConfig) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
if hc.IOMaximumBandwidth != 0 {
return fmt.Errorf("invalid QoS settings: %s does not support --io-maxbandwidth", runtime.GOOS)
}
if hc.IOMaximumIOps != 0 {
return fmt.Errorf("invalid QoS settings: %s does not support --io-maxiops", runtime.GOOS)
}
return nil
}
// validateResources performs platform specific validation of the resource settings
// cpu-rt-runtime and cpu-rt-period can not be greater than their parent, cpu-rt-runtime requires sys_nice
func validateResources(hc *container.HostConfig, si *sysinfo.SysInfo) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
if hc.Resources.CPURealtimePeriod > 0 && !si.CPURealtimePeriod {
return fmt.Errorf("invalid --cpu-rt-period: Your kernel does not support cgroup rt period")
}
if hc.Resources.CPURealtimeRuntime > 0 && !si.CPURealtimeRuntime {
return fmt.Errorf("invalid --cpu-rt-runtime: Your kernel does not support cgroup rt runtime")
}
if hc.Resources.CPURealtimePeriod != 0 && hc.Resources.CPURealtimeRuntime != 0 && hc.Resources.CPURealtimeRuntime > hc.Resources.CPURealtimePeriod {
return fmt.Errorf("invalid --cpu-rt-runtime: rt runtime cannot be higher than rt period")
}
return nil
}
// validatePrivileged performs platform specific validation of the Privileged setting
func validatePrivileged(hc *container.HostConfig) error {
return nil
}