update vendor

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>
This commit is contained in:
Jess Frazelle 2018-09-25 12:27:46 -04:00
parent 19a32db84d
commit 94d1cfbfbf
No known key found for this signature in database
GPG key ID: 18F3685C0022BFF3
10501 changed files with 2307943 additions and 29279 deletions

View file

@ -0,0 +1,212 @@
package oci // import "github.com/docker/docker/oci"
import (
"os"
"runtime"
"github.com/opencontainers/runtime-spec/specs-go"
)
func iPtr(i int64) *int64 { return &i }
func u32Ptr(i int64) *uint32 { u := uint32(i); return &u }
func fmPtr(i int64) *os.FileMode { fm := os.FileMode(i); return &fm }
func defaultCapabilities() []string {
return []string{
"CAP_CHOWN",
"CAP_DAC_OVERRIDE",
"CAP_FSETID",
"CAP_FOWNER",
"CAP_MKNOD",
"CAP_NET_RAW",
"CAP_SETGID",
"CAP_SETUID",
"CAP_SETFCAP",
"CAP_SETPCAP",
"CAP_NET_BIND_SERVICE",
"CAP_SYS_CHROOT",
"CAP_KILL",
"CAP_AUDIT_WRITE",
}
}
// DefaultSpec returns the default spec used by docker for the current Platform
func DefaultSpec() specs.Spec {
return DefaultOSSpec(runtime.GOOS)
}
// DefaultOSSpec returns the spec for a given OS
func DefaultOSSpec(osName string) specs.Spec {
if osName == "windows" {
return DefaultWindowsSpec()
}
return DefaultLinuxSpec()
}
// DefaultWindowsSpec create a default spec for running Windows containers
func DefaultWindowsSpec() specs.Spec {
return specs.Spec{
Version: specs.Version,
Windows: &specs.Windows{},
Process: &specs.Process{},
Root: &specs.Root{},
}
}
// DefaultLinuxSpec create a default spec for running Linux containers
func DefaultLinuxSpec() specs.Spec {
s := specs.Spec{
Version: specs.Version,
Process: &specs.Process{
Capabilities: &specs.LinuxCapabilities{
Bounding: defaultCapabilities(),
Permitted: defaultCapabilities(),
Inheritable: defaultCapabilities(),
Effective: defaultCapabilities(),
},
},
Root: &specs.Root{},
}
s.Mounts = []specs.Mount{
{
Destination: "/proc",
Type: "proc",
Source: "proc",
Options: []string{"nosuid", "noexec", "nodev"},
},
{
Destination: "/dev",
Type: "tmpfs",
Source: "tmpfs",
Options: []string{"nosuid", "strictatime", "mode=755", "size=65536k"},
},
{
Destination: "/dev/pts",
Type: "devpts",
Source: "devpts",
Options: []string{"nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620", "gid=5"},
},
{
Destination: "/sys",
Type: "sysfs",
Source: "sysfs",
Options: []string{"nosuid", "noexec", "nodev", "ro"},
},
{
Destination: "/sys/fs/cgroup",
Type: "cgroup",
Source: "cgroup",
Options: []string{"ro", "nosuid", "noexec", "nodev"},
},
{
Destination: "/dev/mqueue",
Type: "mqueue",
Source: "mqueue",
Options: []string{"nosuid", "noexec", "nodev"},
},
{
Destination: "/dev/shm",
Type: "tmpfs",
Source: "shm",
Options: []string{"nosuid", "noexec", "nodev", "mode=1777"},
},
}
s.Linux = &specs.Linux{
MaskedPaths: []string{
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware",
},
ReadonlyPaths: []string{
"/proc/asound",
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger",
},
Namespaces: []specs.LinuxNamespace{
{Type: "mount"},
{Type: "network"},
{Type: "uts"},
{Type: "pid"},
{Type: "ipc"},
},
// Devices implicitly contains the following devices:
// null, zero, full, random, urandom, tty, console, and ptmx.
// ptmx is a bind mount or symlink of the container's ptmx.
// See also: https://github.com/opencontainers/runtime-spec/blob/master/config-linux.md#default-devices
Devices: []specs.LinuxDevice{},
Resources: &specs.LinuxResources{
Devices: []specs.LinuxDeviceCgroup{
{
Allow: false,
Access: "rwm",
},
{
Allow: true,
Type: "c",
Major: iPtr(1),
Minor: iPtr(5),
Access: "rwm",
},
{
Allow: true,
Type: "c",
Major: iPtr(1),
Minor: iPtr(3),
Access: "rwm",
},
{
Allow: true,
Type: "c",
Major: iPtr(1),
Minor: iPtr(9),
Access: "rwm",
},
{
Allow: true,
Type: "c",
Major: iPtr(1),
Minor: iPtr(8),
Access: "rwm",
},
{
Allow: true,
Type: "c",
Major: iPtr(5),
Minor: iPtr(0),
Access: "rwm",
},
{
Allow: true,
Type: "c",
Major: iPtr(5),
Minor: iPtr(1),
Access: "rwm",
},
{
Allow: false,
Type: "c",
Major: iPtr(10),
Minor: iPtr(229),
Access: "rwm",
},
},
},
}
// For LCOW support, populate a blank Windows spec
if runtime.GOOS == "windows" {
s.Windows = &specs.Windows{}
}
return s
}

View file

@ -0,0 +1,86 @@
package oci // import "github.com/docker/docker/oci"
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/opencontainers/runc/libcontainer/configs"
"github.com/opencontainers/runc/libcontainer/devices"
"github.com/opencontainers/runtime-spec/specs-go"
)
// Device transforms a libcontainer configs.Device to a specs.LinuxDevice object.
func Device(d *configs.Device) specs.LinuxDevice {
return specs.LinuxDevice{
Type: string(d.Type),
Path: d.Path,
Major: d.Major,
Minor: d.Minor,
FileMode: fmPtr(int64(d.FileMode)),
UID: u32Ptr(int64(d.Uid)),
GID: u32Ptr(int64(d.Gid)),
}
}
func deviceCgroup(d *configs.Device) specs.LinuxDeviceCgroup {
t := string(d.Type)
return specs.LinuxDeviceCgroup{
Allow: true,
Type: t,
Major: &d.Major,
Minor: &d.Minor,
Access: d.Permissions,
}
}
// DevicesFromPath computes a list of devices and device permissions from paths (pathOnHost and pathInContainer) and cgroup permissions.
func DevicesFromPath(pathOnHost, pathInContainer, cgroupPermissions string) (devs []specs.LinuxDevice, devPermissions []specs.LinuxDeviceCgroup, err error) {
resolvedPathOnHost := pathOnHost
// check if it is a symbolic link
if src, e := os.Lstat(pathOnHost); e == nil && src.Mode()&os.ModeSymlink == os.ModeSymlink {
if linkedPathOnHost, e := filepath.EvalSymlinks(pathOnHost); e == nil {
resolvedPathOnHost = linkedPathOnHost
}
}
device, err := devices.DeviceFromPath(resolvedPathOnHost, cgroupPermissions)
// if there was no error, return the device
if err == nil {
device.Path = pathInContainer
return append(devs, Device(device)), append(devPermissions, deviceCgroup(device)), nil
}
// if the device is not a device node
// try to see if it's a directory holding many devices
if err == devices.ErrNotADevice {
// check if it is a directory
if src, e := os.Stat(resolvedPathOnHost); e == nil && src.IsDir() {
// mount the internal devices recursively
filepath.Walk(resolvedPathOnHost, func(dpath string, f os.FileInfo, e error) error {
childDevice, e := devices.DeviceFromPath(dpath, cgroupPermissions)
if e != nil {
// ignore the device
return nil
}
// add the device to userSpecified devices
childDevice.Path = strings.Replace(dpath, resolvedPathOnHost, pathInContainer, 1)
devs = append(devs, Device(childDevice))
devPermissions = append(devPermissions, deviceCgroup(childDevice))
return nil
})
}
}
if len(devs) > 0 {
return devs, devPermissions, nil
}
return devs, devPermissions, fmt.Errorf("error gathering device information while adding custom device %q: %s", pathOnHost, err)
}

View file

@ -0,0 +1,20 @@
// +build !linux
package oci // import "github.com/docker/docker/oci"
import (
"errors"
"github.com/opencontainers/runc/libcontainer/configs"
specs "github.com/opencontainers/runtime-spec/specs-go"
)
// Device transforms a libcontainer configs.Device to a specs.Device object.
// Not implemented
func Device(d *configs.Device) specs.LinuxDevice { return specs.LinuxDevice{} }
// DevicesFromPath computes a list of devices and device permissions from paths (pathOnHost and pathInContainer) and cgroup permissions.
// Not implemented
func DevicesFromPath(pathOnHost, pathInContainer, cgroupPermissions string) (devs []specs.LinuxDevice, devPermissions []specs.LinuxDeviceCgroup, err error) {
return nil, nil, errors.New("oci/devices: unsupported platform")
}

View file

@ -0,0 +1,13 @@
package oci // import "github.com/docker/docker/oci"
import "github.com/opencontainers/runtime-spec/specs-go"
// RemoveNamespace removes the `nsType` namespace from OCI spec `s`
func RemoveNamespace(s *specs.Spec, nsType specs.LinuxNamespaceType) {
for i, n := range s.Linux.Namespaces {
if n.Type == nsType {
s.Linux.Namespaces = append(s.Linux.Namespaces[:i], s.Linux.Namespaces[i+1:]...)
return
}
}
}