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Merge pull request #8293 from crosbymichael/update-libcontainer-sep8 

Update libcontainer to c744f6470e37be5ce1f1ae09b842c15c1bee120d
This commit is contained in:
Tianon Gravi 2014-09-29 18:09:25 -06:00
parent 595b5bf06e 532c29ef7d
commit 07179a7eb1
16 changed files with 961 additions and 507 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
daemon/execdriver/native/create.go
View File

@ -30,6 +30,7 @@ func (d *driver) createContainer(c *execdriver.Command) (*libcontainer.Config, e
container.Cgroups.Name = c.ID
container.Cgroups.AllowedDevices = c.AllowedDevices
container.MountConfig.DeviceNodes = c.AutoCreatedDevices
container.RootFs = c.Rootfs
// check to see if we are running in ramdisk to disable pivot root
container.MountConfig.NoPivotRoot = os.Getenv("DOCKER_RAMDISK") != ""

4
daemon/execdriver/native/driver.go
View File

@ -100,7 +100,7 @@ func (d *driver) Run(c *execdriver.Command, pipes *execdriver.Pipes, startCallba
return -1, err
}
return namespaces.Exec(container, c.ProcessConfig.Stdin, c.ProcessConfig.Stdout, c.ProcessConfig.Stderr, c.ProcessConfig.Console, c.Rootfs, dataPath, args, func(container *libcontainer.Config, console, rootfs, dataPath, init string, child *os.File, args []string) *exec.Cmd {
return namespaces.Exec(container, c.ProcessConfig.Stdin, c.ProcessConfig.Stdout, c.ProcessConfig.Stderr, c.ProcessConfig.Console, dataPath, args, func(container *libcontainer.Config, console, dataPath, init string, child *os.File, args []string) *exec.Cmd {
c.ProcessConfig.Path = d.initPath
c.ProcessConfig.Args = append([]string{
DriverName,
@ -117,7 +117,7 @@ func (d *driver) Run(c *execdriver.Command, pipes *execdriver.Pipes, startCallba
c.ProcessConfig.ExtraFiles = []*os.File{child}
c.ProcessConfig.Env = container.Env
c.ProcessConfig.Dir = c.Rootfs
c.ProcessConfig.Dir = container.RootFs
return &c.ProcessConfig.Cmd
}, func() {

2
hack/vendor.sh
View File

@ -64,7 +64,7 @@ if [ "$1" = '--go' ]; then
mv tmp-tar src/code.google.com/p/go/src/pkg/archive/tar
fi
clone git github.com/docker/libcontainer 185328a42654f6dc9a41814e57882f69d65f6ab7
clone git github.com/docker/libcontainer c744f6470e37be5ce1f1ae09b842c15c1bee120d
# see src/github.com/docker/libcontainer/update-vendor.sh which is the "source of truth" for libcontainer deps (just like this file)
rm -rf src/github.com/docker/libcontainer/vendor
eval "$(grep '^clone ' src/github.com/docker/libcontainer/update-vendor.sh | grep -v 'github.com/codegangsta/cli')"

2
vendor/src/github.com/docker/libcontainer/cgroups/fs/cpuacct.go vendored
View File

@ -40,7 +40,7 @@ func (s *CpuacctGroup) GetStats(path string, stats *cgroups.Stats) error {
return err
}
totalUsage, err := getCgroupParamInt(path, "cpuacct.usage")
totalUsage, err := getCgroupParamUint(path, "cpuacct.usage")
if err != nil {
return err
}

15
vendor/src/github.com/docker/libcontainer/cgroups/fs/memory.go vendored
View File

@ -2,6 +2,7 @@ package fs
import (
"bufio"
"fmt"
"os"
"path/filepath"
"strconv"
@ -66,25 +67,25 @@ func (s *MemoryGroup) GetStats(path string, stats *cgroups.Stats) error {
for sc.Scan() {
t, v, err := getCgroupParamKeyValue(sc.Text())
if err != nil {
return err
return fmt.Errorf("failed to parse memory.stat (%q) - %v", sc.Text(), err)
}
stats.MemoryStats.Stats[t] = v
}
// Set memory usage and max historical usage.
value, err := getCgroupParamInt(path, "memory.usage_in_bytes")
value, err := getCgroupParamUint(path, "memory.usage_in_bytes")
if err != nil {
return err
return fmt.Errorf("failed to parse memory.usage_in_bytes - %v", err)
}
stats.MemoryStats.Usage = value
value, err = getCgroupParamInt(path, "memory.max_usage_in_bytes")
value, err = getCgroupParamUint(path, "memory.max_usage_in_bytes")
if err != nil {
return err
return fmt.Errorf("failed to parse memory.max_usage_in_bytes - %v", err)
}
stats.MemoryStats.MaxUsage = value
value, err = getCgroupParamInt(path, "memory.failcnt")
value, err = getCgroupParamUint(path, "memory.failcnt")
if err != nil {
return err
return fmt.Errorf("failed to parse memory.failcnt - %v", err)
}
stats.MemoryStats.Failcnt = value

32
vendor/src/github.com/docker/libcontainer/cgroups/fs/utils.go vendored
View File

@ -14,27 +14,49 @@ var (
ErrNotValidFormat = errors.New("line is not a valid key value format")
)
// Saturates negative values at zero and returns a uint64.
// Due to kernel bugs, some of the memory cgroup stats can be negative.
func parseUint(s string, base, bitSize int) (uint64, error) {
value, err := strconv.ParseUint(s, base, bitSize)
if err != nil {
intValue, intErr := strconv.ParseInt(s, base, bitSize)
// 1. Handle negative values greater than MinInt64 (and)
// 2. Handle negative values lesser than MinInt64
if intErr == nil && intValue < 0 {
return 0, nil
} else if intErr != nil && intErr.(*strconv.NumError).Err == strconv.ErrRange && intValue < 0 {
return 0, nil
}
return value, err
}
return value, nil
}
// Parses a cgroup param and returns as name, value
// i.e. "io_service_bytes 1234" will return as io_service_bytes, 1234
func getCgroupParamKeyValue(t string) (string, uint64, error) {
parts := strings.Fields(t)
switch len(parts) {
case 2:
value, err := strconv.ParseUint(parts[1], 10, 64)
value, err := parseUint(parts[1], 10, 64)
if err != nil {
return "", 0, fmt.Errorf("Unable to convert param value to uint64: %s", err)
return "", 0, fmt.Errorf("Unable to convert param value (%q) to uint64: %v", parts[1], err)
}
return parts[0], value, nil
default:
return "", 0, ErrNotValidFormat
}
}
// Gets a single int64 value from the specified cgroup file.
func getCgroupParamInt(cgroupPath, cgroupFile string) (uint64, error) {
// Gets a single uint64 value from the specified cgroup file.
func getCgroupParamUint(cgroupPath, cgroupFile string) (uint64, error) {
contents, err := ioutil.ReadFile(filepath.Join(cgroupPath, cgroupFile))
if err != nil {
return 0, err
}
return strconv.ParseUint(strings.TrimSpace(string(contents)), 10, 64)
return parseUint(strings.TrimSpace(string(contents)), 10, 64)
}

35
vendor/src/github.com/docker/libcontainer/cgroups/fs/utils_test.go vendored
View File

@ -2,8 +2,10 @@ package fs
import (
"io/ioutil"
"math"
"os"
"path/filepath"
"strconv"
"testing"
)
@ -27,7 +29,7 @@ func TestGetCgroupParamsInt(t *testing.T) {
if err != nil {
t.Fatal(err)
}
value, err := getCgroupParamInt(tempDir, cgroupFile)
value, err := getCgroupParamUint(tempDir, cgroupFile)
if err != nil {
t.Fatal(err)
} else if value != floatValue {
@ -39,19 +41,44 @@ func TestGetCgroupParamsInt(t *testing.T) {
if err != nil {
t.Fatal(err)
}
value, err = getCgroupParamInt(tempDir, cgroupFile)
value, err = getCgroupParamUint(tempDir, cgroupFile)
if err != nil {
t.Fatal(err)
} else if value != floatValue {
t.Fatalf("Expected %d to equal %f", value, floatValue)
}
// Success with negative values
err = ioutil.WriteFile(tempFile, []byte("-12345"), 0755)
if err != nil {
t.Fatal(err)
}
value, err = getCgroupParamUint(tempDir, cgroupFile)
if err != nil {
t.Fatal(err)
} else if value != 0 {
t.Fatalf("Expected %d to equal %f", value, 0)
}
// Success with negative values lesser than min int64
s := strconv.FormatFloat(math.MinInt64, 'f', -1, 64)
err = ioutil.WriteFile(tempFile, []byte(s), 0755)
if err != nil {
t.Fatal(err)
}
value, err = getCgroupParamUint(tempDir, cgroupFile)
if err != nil {
t.Fatal(err)
} else if value != 0 {
t.Fatalf("Expected %d to equal %f", value, 0)
}
// Not a float.
err = ioutil.WriteFile(tempFile, []byte("not-a-float"), 0755)
if err != nil {
t.Fatal(err)
}
_, err = getCgroupParamInt(tempDir, cgroupFile)
_, err = getCgroupParamUint(tempDir, cgroupFile)
if err == nil {
t.Fatal("Expecting error, got none")
}
@ -61,7 +88,7 @@ func TestGetCgroupParamsInt(t *testing.T) {
if err != nil {
t.Fatal(err)
}
_, err = getCgroupParamInt(tempDir, cgroupFile)
_, err = getCgroupParamUint(tempDir, cgroupFile)
if err == nil {
t.Fatal("Expecting error, got none")
}

3
vendor/src/github.com/docker/libcontainer/config.go vendored
View File

@ -15,6 +15,9 @@ type Config struct {
// Mount specific options.
MountConfig *MountConfig `json:"mount_config,omitempty"`
// Pathname to container's root filesystem
RootFs string `json:"root_fs,omitempty"`
// Hostname optionally sets the container's hostname if provided
Hostname string `json:"hostname,omitempty"`

2
vendor/src/github.com/docker/libcontainer/namespaces/create.go vendored
View File

@ -7,4 +7,4 @@ import (
"github.com/docker/libcontainer"
)
type CreateCommand func(container *libcontainer.Config, console, rootfs, dataPath, init string, childPipe *os.File, args []string) *exec.Cmd
type CreateCommand func(container *libcontainer.Config, console, dataPath, init string, childPipe *os.File, args []string) *exec.Cmd

8
vendor/src/github.com/docker/libcontainer/namespaces/exec.go vendored
View File

@ -21,7 +21,7 @@ import (
// Move this to libcontainer package.
// Exec performs setup outside of a namespace so that a container can be
// executed. Exec is a high level function for working with container namespaces.
func Exec(container *libcontainer.Config, stdin io.Reader, stdout, stderr io.Writer, console string, rootfs, dataPath string, args []string, createCommand CreateCommand, startCallback func()) (int, error) {
func Exec(container *libcontainer.Config, stdin io.Reader, stdout, stderr io.Writer, console, dataPath string, args []string, createCommand CreateCommand, startCallback func()) (int, error) {
var (
err error
)
@ -34,7 +34,7 @@ func Exec(container *libcontainer.Config, stdin io.Reader, stdout, stderr io.Wri
}
defer syncPipe.Close()
command := createCommand(container, console, rootfs, dataPath, os.Args[0], syncPipe.Child(), args)
command := createCommand(container, console, dataPath, os.Args[0], syncPipe.Child(), args)
// Note: these are only used in non-tty mode
// if there is a tty for the container it will be opened within the namespace and the
// fds will be duped to stdin, stdiout, and stderr
@ -121,7 +121,7 @@ func Exec(container *libcontainer.Config, stdin io.Reader, stdout, stderr io.Wri
// root: the path to the container json file and information
// pipe: sync pipe to synchronize the parent and child processes
// args: the arguments to pass to the container to run as the user's program
func DefaultCreateCommand(container *libcontainer.Config, console, rootfs, dataPath, init string, pipe *os.File, args []string) *exec.Cmd {
func DefaultCreateCommand(container *libcontainer.Config, console, dataPath, init string, pipe *os.File, args []string) *exec.Cmd {
// get our binary name from arg0 so we can always reexec ourself
env := []string{
"console=" + console,
@ -141,7 +141,7 @@ func DefaultCreateCommand(container *libcontainer.Config, console, rootfs, dataP
command := exec.Command(init, append([]string{"init", "--"}, args...)...)
// make sure the process is executed inside the context of the rootfs
command.Dir = rootfs
command.Dir = container.RootFs
command.Env = append(os.Environ(), env...)
if command.SysProcAttr == nil {

1031
vendor/src/github.com/docker/libcontainer/netlink/netlink_linux.go vendored
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File diff suppressed because it is too large Load Diff

306
vendor/src/github.com/docker/libcontainer/netlink/netlink_linux_test.go vendored
View File

@ -3,9 +3,50 @@ package netlink
import (
"net"
"strings"
"syscall"
"testing"
)
type testLink struct {
name string
linkType string
}
func addLink(t *testing.T, name string, linkType string) {
if err := NetworkLinkAdd(name, linkType); err != nil {
t.Fatalf("Unable to create %s link: %s", name, err)
}
}
func readLink(t *testing.T, name string) *net.Interface {
iface, err := net.InterfaceByName(name)
if err != nil {
t.Fatalf("Could not find %s interface: %s", name, err)
}
return iface
}
func deleteLink(t *testing.T, name string) {
if err := NetworkLinkDel(name); err != nil {
t.Fatalf("Unable to delete %s link: %s", name, err)
}
}
func upLink(t *testing.T, name string) {
iface := readLink(t, name)
if err := NetworkLinkUp(iface); err != nil {
t.Fatalf("Could not bring UP %#v interface: %s", iface, err)
}
}
func downLink(t *testing.T, name string) {
iface := readLink(t, name)
if err := NetworkLinkDown(iface); err != nil {
t.Fatalf("Could not bring DOWN %#v interface: %s", iface, err)
}
}
func ipAssigned(iface *net.Interface, ip net.IP) bool {
addrs, _ := iface.Addrs()
@ -19,6 +60,194 @@ func ipAssigned(iface *net.Interface, ip net.IP) bool {
return false
}
func TestNetworkLinkAddDel(t *testing.T) {
if testing.Short() {
return
}
testLinks := []testLink{
{"tstEth", "dummy"},
{"tstBr", "bridge"},
}
for _, tl := range testLinks {
addLink(t, tl.name, tl.linkType)
defer deleteLink(t, tl.name)
readLink(t, tl.name)
}
}
func TestNetworkLinkUpDown(t *testing.T) {
if testing.Short() {
return
}
tl := testLink{name: "tstEth", linkType: "dummy"}
addLink(t, tl.name, tl.linkType)
defer deleteLink(t, tl.name)
upLink(t, tl.name)
ifcAfterUp := readLink(t, tl.name)
if (ifcAfterUp.Flags & syscall.IFF_UP) != syscall.IFF_UP {
t.Fatalf("Could not bring UP %#v initerface", tl)
}
downLink(t, tl.name)
ifcAfterDown := readLink(t, tl.name)
if (ifcAfterDown.Flags & syscall.IFF_UP) == syscall.IFF_UP {
t.Fatalf("Could not bring DOWN %#v initerface", tl)
}
}
func TestNetworkSetMacAddress(t *testing.T) {
if testing.Short() {
return
}
tl := testLink{name: "tstEth", linkType: "dummy"}
macaddr := "22:ce:e0:99:63:6f"
addLink(t, tl.name, tl.linkType)
defer deleteLink(t, tl.name)
ifcBeforeSet := readLink(t, tl.name)
if err := NetworkSetMacAddress(ifcBeforeSet, macaddr); err != nil {
t.Fatalf("Could not set %s MAC address on %#v interface: err", macaddr, tl, err)
}
ifcAfterSet := readLink(t, tl.name)
if ifcAfterSet.HardwareAddr.String() != macaddr {
t.Fatalf("Could not set %s MAC address on %#v interface", macaddr, tl)
}
}
func TestNetworkSetMTU(t *testing.T) {
if testing.Short() {
return
}
tl := testLink{name: "tstEth", linkType: "dummy"}
mtu := 1400
addLink(t, tl.name, tl.linkType)
defer deleteLink(t, tl.name)
ifcBeforeSet := readLink(t, tl.name)
if err := NetworkSetMTU(ifcBeforeSet, mtu); err != nil {
t.Fatalf("Could not set %d MTU on %#v interface: err", mtu, tl, err)
}
ifcAfterSet := readLink(t, tl.name)
if ifcAfterSet.MTU != mtu {
t.Fatalf("Could not set %d MTU on %#v interface", mtu, tl)
}
}
func TestNetworkSetMasterNoMaster(t *testing.T) {
if testing.Short() {
return
}
master := testLink{"tstBr", "bridge"}
slave := testLink{"tstEth", "dummy"}
testLinks := []testLink{master, slave}
for _, tl := range testLinks {
addLink(t, tl.name, tl.linkType)
defer deleteLink(t, tl.name)
upLink(t, tl.name)
}
masterIfc := readLink(t, master.name)
slaveIfc := readLink(t, slave.name)
if err := NetworkSetMaster(slaveIfc, masterIfc); err != nil {
t.Fatalf("Could not set %#v to be the master of %#v: %s", master, slave, err)
}
// Trying to figure out a way to test which will not break on RHEL6.
// We could check for existence of /sys/class/net/tstEth/upper_tstBr
// which should point to the ../tstBr which is the UPPER device i.e. network bridge
if err := NetworkSetNoMaster(slaveIfc); err != nil {
t.Fatalf("Could not UNset %#v master of %#v: %s", master, slave, err)
}
}
func TestNetworkChangeName(t *testing.T) {
if testing.Short() {
return
}
tl := testLink{"tstEth", "dummy"}
newName := "newTst"
addLink(t, tl.name, tl.linkType)
linkIfc := readLink(t, tl.name)
if err := NetworkChangeName(linkIfc, newName); err != nil {
deleteLink(t, tl.name)
t.Fatalf("Could not change %#v interface name to %s: %s", tl, newName, err)
}
readLink(t, newName)
deleteLink(t, newName)
}
func TestNetworkLinkAddVlan(t *testing.T) {
if testing.Short() {
return
}
tl := struct {
name string
id uint16
}{
name: "tstVlan",
id: 32,
}
masterLink := testLink{"tstEth", "dummy"}
addLink(t, masterLink.name, masterLink.linkType)
defer deleteLink(t, masterLink.name)
if err := NetworkLinkAddVlan(masterLink.name, tl.name, tl.id); err != nil {
t.Fatalf("Unable to create %#v VLAN interface: %s", tl, err)
}
readLink(t, tl.name)
}
func TestNetworkLinkAddMacVlan(t *testing.T) {
if testing.Short() {
return
}
tl := struct {
name string
mode string
}{
name: "tstVlan",
mode: "private",
}
masterLink := testLink{"tstEth", "dummy"}
addLink(t, masterLink.name, masterLink.linkType)
defer deleteLink(t, masterLink.name)
if err := NetworkLinkAddMacVlan(masterLink.name, tl.name, tl.mode); err != nil {
t.Fatalf("Unable to create %#v MAC VLAN interface: %s", tl, err)
}
readLink(t, tl.name)
}
func TestAddDelNetworkIp(t *testing.T) {
if testing.Short() {
return
@ -35,7 +264,7 @@ func TestAddDelNetworkIp(t *testing.T) {
}
if err := NetworkLinkAddIp(iface, ip, ipNet); err != nil {
t.Fatal(err)
t.Fatalf("Could not add IP address %s to interface %#v: %s", ip.String(), iface, err)
}
if !ipAssigned(iface, ip) {
@ -43,7 +272,7 @@ func TestAddDelNetworkIp(t *testing.T) {
}
if err := NetworkLinkDelIp(iface, ip, ipNet); err != nil {
t.Fatal(err)
t.Fatalf("Could not delete IP address %s from interface %#v: %s", ip.String(), iface, err)
}
if ipAssigned(iface, ip) {
@ -51,6 +280,28 @@ func TestAddDelNetworkIp(t *testing.T) {
}
}
func TestCreateVethPair(t *testing.T) {
if testing.Short() {
return
}
var (
name1 = "veth1"
name2 = "veth2"
)
if err := NetworkCreateVethPair(name1, name2); err != nil {
t.Fatalf("Could not create veth pair %s %s: %s", name1, name2, err)
}
defer NetworkLinkDel(name1)
readLink(t, name1)
readLink(t, name2)
}
//
// netlink package tests which do not use RTNETLINK
//
func TestCreateBridgeWithMac(t *testing.T) {
if testing.Short() {
return
@ -77,55 +328,6 @@ func TestCreateBridgeWithMac(t *testing.T) {
}
}
func TestCreateBridgeLink(t *testing.T) {
if testing.Short() {
return
}
name := "mybrlink"
if err := NetworkLinkAdd(name, "bridge"); err != nil {
t.Fatal(err)
}
if _, err := net.InterfaceByName(name); err != nil {
t.Fatal(err)
}
if err := NetworkLinkDel(name); err != nil {
t.Fatal(err)
}
if _, err := net.InterfaceByName(name); err == nil {
t.Fatalf("expected error getting interface because %s bridge was deleted", name)
}
}
func TestCreateVethPair(t *testing.T) {
if testing.Short() {
return
}
var (
name1 = "veth1"
name2 = "veth2"
)
if err := NetworkCreateVethPair(name1, name2); err != nil {
t.Fatal(err)
}
defer NetworkLinkDel(name1)
if _, err := net.InterfaceByName(name1); err != nil {
t.Fatal(err)
}
if _, err := net.InterfaceByName(name2); err != nil {
t.Fatal(err)
}
}
func TestSetMACAddress(t *testing.T) {
if testing.Short() {
return
@ -139,7 +341,7 @@ func TestSetMACAddress(t *testing.T) {
}
defer NetworkLinkDel(name)
if err := NetworkSetMacAddress(name, mac); err != nil {
if err := SetMacAddress(name, mac); err != nil {
t.Fatal(err)
}

2
vendor/src/github.com/docker/libcontainer/network/netns.go vendored
View File

@ -30,8 +30,10 @@ func (v *NetNS) Initialize(config *Network, networkState *NetworkState) error {
}
if err := system.Setns(f.Fd(), syscall.CLONE_NEWNET); err != nil {
f.Close()
return fmt.Errorf("failed to setns current network namespace: %v", err)
}
f.Close()
return nil
}

8
vendor/src/github.com/docker/libcontainer/network/types.go vendored
View File

@ -17,12 +17,18 @@ type Network struct {
// Prefix for the veth interfaces.
VethPrefix string `json:"veth_prefix,omitempty"`
// Address contains the IP and mask to set on the network interface
// Address contains the IPv4 and mask to set on the network interface
Address string `json:"address,omitempty"`
// IPv6Address contains the IPv6 and mask to set on the network interface
IPv6Address string `json:"ipv6_address,omitempty"`
// Gateway sets the gateway address that is used as the default for the interface
Gateway string `json:"gateway,omitempty"`
// IPv6Gateway sets the ipv6 gateway address that is used as the default for the interface
IPv6Gateway string `json:"ipv6_gateway,omitempty"`
// Mtu sets the mtu value for the interface and will be mirrored on both the host and
// container's interfaces if a pair is created, specifically in the case of type veth
// Note: This does not apply to loopback interfaces.

11
vendor/src/github.com/docker/libcontainer/network/veth.go vendored
View File

@ -63,6 +63,12 @@ func (v *Veth) Initialize(config *Network, networkState *NetworkState) error {
if err := SetInterfaceIp(defaultDevice, config.Address); err != nil {
return fmt.Errorf("set %s ip %s", defaultDevice, err)
}
if config.IPv6Address != "" {
if err := SetInterfaceIp(defaultDevice, config.IPv6Address); err != nil {
return fmt.Errorf("set %s ipv6 %s", defaultDevice, err)
}
}
if err := SetMtu(defaultDevice, config.Mtu); err != nil {
return fmt.Errorf("set %s mtu to %d %s", defaultDevice, config.Mtu, err)
}
@ -74,6 +80,11 @@ func (v *Veth) Initialize(config *Network, networkState *NetworkState) error {
return fmt.Errorf("set gateway to %s on device %s failed with %s", config.Gateway, defaultDevice, err)
}
}
if config.IPv6Gateway != "" {
if err := SetDefaultGateway(config.IPv6Gateway, defaultDevice); err != nil {
return fmt.Errorf("set gateway for ipv6 to %s on device %s failed with %s", config.IPv6Gateway, defaultDevice, err)
}
}
return nil
}

6
vendor/src/github.com/docker/libcontainer/nsinit/exec.go vendored
View File

@ -135,8 +135,8 @@ func startContainer(container *libcontainer.Config, dataPath string, args []stri
signal.Notify(sigc)
createCommand := func(container *libcontainer.Config, console, rootfs, dataPath, init string, pipe *os.File, args []string) *exec.Cmd {
cmd = namespaces.DefaultCreateCommand(container, console, rootfs, dataPath, init, pipe, args)
createCommand := func(container *libcontainer.Config, console, dataPath, init string, pipe *os.File, args []string) *exec.Cmd {
cmd = namespaces.DefaultCreateCommand(container, console, dataPath, init, pipe, args)
if logPath != "" {
cmd.Env = append(cmd.Env, fmt.Sprintf("log=%s", logPath))
}
@ -189,7 +189,7 @@ func startContainer(container *libcontainer.Config, dataPath string, args []stri
}()
}
return namespaces.Exec(container, stdin, stdout, stderr, console, "", dataPath, args, createCommand, startCallback)
return namespaces.Exec(container, stdin, stdout, stderr, console, dataPath, args, createCommand, startCallback)
}
func resizeTty(master *os.File) {