Windows: Fix 'isolation'

Signed-off-by: John Howard <jhoward@microsoft.com>
This commit is contained in:
John Howard 2016-02-03 12:07:00 -08:00
parent 2658341b5f
commit d4b0732499
11 changed files with 42 additions and 29 deletions

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@ -66,7 +66,7 @@ func (cli *DockerCli) CmdBuild(args ...string) error {
flCgroupParent := cmd.String([]string{"-cgroup-parent"}, "", "Optional parent cgroup for the container")
flBuildArg := opts.NewListOpts(runconfigopts.ValidateEnv)
cmd.Var(&flBuildArg, []string{"-build-arg"}, "Set build-time variables")
isolation := cmd.String([]string{"-isolation"}, "", "Container isolation level")
isolation := cmd.String([]string{"-isolation"}, "", "Container isolation technology")
ulimits := make(map[string]*units.Ulimit)
flUlimits := runconfigopts.NewUlimitOpt(&ulimits)
@ -224,7 +224,7 @@ func (cli *DockerCli) CmdBuild(args ...string) error {
Remove: *rm,
ForceRemove: *forceRm,
PullParent: *pull,
IsolationLevel: container.IsolationLevel(*isolation),
Isolation: container.Isolation(*isolation),
CPUSetCPUs: *flCPUSetCpus,
CPUSetMems: *flCPUSetMems,
CPUShares: *flCPUShares,

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@ -60,11 +60,11 @@ func newImageBuildOptions(ctx context.Context, r *http.Request) (*types.ImageBui
options.ShmSize = shmSize
}
if i := container.IsolationLevel(r.FormValue("isolation")); i != "" {
if !container.IsolationLevel.IsValid(i) {
if i := container.Isolation(r.FormValue("isolation")); i != "" {
if !container.Isolation.IsValid(i) {
return nil, fmt.Errorf("Unsupported isolation: %q", i)
}
options.IsolationLevel = i
options.Isolation = i
}
var buildUlimits = []*units.Ulimit{}

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@ -506,7 +506,7 @@ func (b *Builder) create() (string, error) {
// TODO: why not embed a hostconfig in builder?
hostConfig := &container.HostConfig{
Isolation: b.options.IsolationLevel,
Isolation: b.options.Isolation,
ShmSize: b.options.ShmSize,
Resources: resources,
}

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@ -53,7 +53,7 @@ type Command struct {
Hostname string `json:"hostname"` // Windows sets the hostname in the execdriver
LayerFolder string `json:"layer_folder"` // Layer folder for a command
LayerPaths []string `json:"layer_paths"` // Layer paths for a command
Isolation string `json:"isolation"` // Isolation level for the container
Isolation string `json:"isolation"` // Isolation technology for the container
ArgsEscaped bool `json:"args_escaped"` // True if args are already escaped
HvPartition bool `json:"hv_partition"` // True if it's an hypervisor partition
}

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@ -28,11 +28,11 @@ var dummyMode bool
// This allows the daemon to force kill (HCS terminate) rather than shutdown
var forceKill bool
// DefaultIsolation allows users to specify a default isolation mode for
// DefaultIsolation allows users to specify a default isolation technology for
// when running a container on Windows. For example docker daemon -D
// --exec-opt isolation=hyperv will cause Windows to always run containers
// as Hyper-V containers unless otherwise specified.
var DefaultIsolation container.IsolationLevel = "process"
var DefaultIsolation container.Isolation = "process"
// Define name and version for windows
var (
@ -83,13 +83,13 @@ func NewDriver(root string, options []string) (*Driver, error) {
}
case "isolation":
if !container.IsolationLevel(val).IsValid() {
if !container.Isolation(val).IsValid() {
return nil, fmt.Errorf("Unrecognised exec driver option 'isolation':'%s'", val)
}
if container.IsolationLevel(val).IsHyperV() {
if container.Isolation(val).IsHyperV() {
DefaultIsolation = "hyperv"
}
logrus.Infof("Windows default isolation level: '%s'", val)
logrus.Infof("Windows default isolation: '%s'", val)
default:
return nil, fmt.Errorf("Unrecognised exec driver option %s\n", key)
}

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@ -246,7 +246,7 @@ func includeContainerInList(container *container.Container, ctx *listContext) it
return excludeContainer
}
// Do not include container if the isolation mode doesn't match
// Do not include container if isolation doesn't match
if excludeContainer == excludeByIsolation(container, ctx) {
return excludeContainer
}

View File

@ -44,8 +44,8 @@ func DecodeContainerConfig(src io.Reader) (*container.Config, *container.HostCon
return nil, nil, nil, err
}
// Validate the isolation level
if err := ValidateIsolationLevel(hc); err != nil {
// Validate isolation
if err := ValidateIsolation(hc); err != nil {
return nil, nil, nil, err
}
return w.Config, hc, w.NetworkingConfig, nil

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@ -65,7 +65,7 @@ func TestDecodeContainerConfig(t *testing.T) {
}
}
// TestDecodeContainerConfigIsolation validates the isolation level passed
// TestDecodeContainerConfigIsolation validates isolation passed
// to the daemon in the hostConfig structure. Note this is platform specific
// as to what level of container isolation is supported.
func TestDecodeContainerConfigIsolation(t *testing.T) {
@ -77,17 +77,30 @@ func TestDecodeContainerConfigIsolation(t *testing.T) {
}
}
// Blank isolation level (== default)
// Blank isolation (== default)
if _, _, _, err := callDecodeContainerConfigIsolation(""); err != nil {
t.Fatal("Blank isolation should have succeeded")
}
// Default isolation level
// Default isolation
if _, _, _, err := callDecodeContainerConfigIsolation("default"); err != nil {
t.Fatal("default isolation should have succeeded")
}
// Hyper-V Containers isolation level (Valid on Windows only)
// Process isolation (Valid on Windows only)
if runtime.GOOS == "windows" {
if _, _, _, err := callDecodeContainerConfigIsolation("process"); err != nil {
t.Fatal("process isolation should have succeeded")
}
} else {
if _, _, _, err := callDecodeContainerConfigIsolation("process"); err != nil {
if !strings.Contains(err.Error(), `invalid --isolation: "process"`) {
t.Fatal(err)
}
}
}
// Hyper-V Containers isolation (Valid on Windows only)
if runtime.GOOS == "windows" {
if _, _, _, err := callDecodeContainerConfigIsolation("hyperv"); err != nil {
t.Fatal("hyperv isolation should have succeeded")
@ -102,7 +115,7 @@ func TestDecodeContainerConfigIsolation(t *testing.T) {
}
// callDecodeContainerConfigIsolation is a utility function to call
// DecodeContainerConfig for validating isolation levels
// DecodeContainerConfig for validating isolation
func callDecodeContainerConfigIsolation(isolation string) (*container.Config, *container.HostConfig, *networktypes.NetworkingConfig, error) {
var (
b []byte
@ -112,7 +125,7 @@ func callDecodeContainerConfigIsolation(isolation string) (*container.Config, *c
Config: &container.Config{},
HostConfig: &container.HostConfig{
NetworkMode: "none",
Isolation: container.IsolationLevel(isolation)},
Isolation: container.Isolation(isolation)},
}
if b, err = json.Marshal(w); err != nil {
return nil, nil, nil, fmt.Errorf("Error on marshal %s", err.Error())

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@ -70,10 +70,10 @@ func ValidateNetMode(c *container.Config, hc *container.HostConfig) error {
return nil
}
// ValidateIsolationLevel performs platform specific validation of the
// isolation level in the hostconfig structure. Linux only supports "default"
// ValidateIsolation performs platform specific validation of
// isolation in the hostconfig structure. Linux only supports "default"
// which is LXC container isolation
func ValidateIsolationLevel(hc *container.HostConfig) error {
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

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@ -34,10 +34,10 @@ func ValidateNetMode(c *container.Config, hc *container.HostConfig) error {
return nil
}
// ValidateIsolationLevel performs platform specific validation of the
// isolation level in the hostconfig structure. Windows supports 'default' (or
// ValidateIsolation performs platform specific validation of the
// isolation in the hostconfig structure. Windows supports 'default' (or
// blank), 'process', or 'hyperv'.
func ValidateIsolationLevel(hc *container.HostConfig) error {
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

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@ -91,7 +91,7 @@ func Parse(cmd *flag.FlagSet, args []string) (*container.Config, *container.Host
flCgroupParent = cmd.String([]string{"-cgroup-parent"}, "", "Optional parent cgroup for the container")
flVolumeDriver = cmd.String([]string{"-volume-driver"}, "", "Optional volume driver for the container")
flStopSignal = cmd.String([]string{"-stop-signal"}, signal.DefaultStopSignal, fmt.Sprintf("Signal to stop a container, %v by default", signal.DefaultStopSignal))
flIsolation = cmd.String([]string{"-isolation"}, "", "Container isolation level")
flIsolation = cmd.String([]string{"-isolation"}, "", "Container isolation technology")
flShmSize = cmd.String([]string{"-shm-size"}, "", "Size of /dev/shm, default value is 64MB")
)
@ -408,7 +408,7 @@ func Parse(cmd *flag.FlagSet, args []string) (*container.Config, *container.Host
ReadonlyRootfs: *flReadonlyRootfs,
LogConfig: container.LogConfig{Type: *flLoggingDriver, Config: loggingOpts},
VolumeDriver: *flVolumeDriver,
Isolation: container.IsolationLevel(*flIsolation),
Isolation: container.Isolation(*flIsolation),
ShmSize: shmSize,
Resources: resources,
Tmpfs: tmpfs,