godep update ocitools/generate

Signed-off-by: Haiyan Meng <hmeng@redhat.com>
This commit is contained in:
Haiyan Meng 2016-07-27 15:13:03 -04:00 committed by Mrunal Patel
parent c0a267bf56
commit f2a2b06e61
4 changed files with 248 additions and 151 deletions

2
Godeps/Godeps.json generated
View file

@ -277,7 +277,7 @@
},
{
"ImportPath": "github.com/opencontainers/ocitools/generate",
"Rev": "3c4fc86f2c260090282737419c83c43c47630df8"
"Rev": "bc8aadb6bbc2ceac25b0f247244c96a1432c2c1a"
},
{
"ImportPath": "github.com/opencontainers/runc/libcontainer/user",

View file

@ -1,21 +0,0 @@
package generate
var (
// DefaultCaps include the default capabilities.
DefaultCaps = []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",
}
)

View file

@ -22,6 +22,7 @@ var (
// Generator represents a generator for a container spec.
type Generator struct {
spec *rspec.Spec
HostSpecific bool
}
// New creates a spec Generator with the default spec.
@ -139,12 +140,16 @@ func New() Generator {
Devices: []rspec.Device{},
},
}
return Generator{&spec}
return Generator{
spec: &spec,
}
}
// NewFromSpec creates a spec Generator from a given spec.
func NewFromSpec(spec *rspec.Spec) Generator {
return Generator{spec}
return Generator{
spec: spec,
}
}
// NewFromFile loads the template specifed in a file into a spec Generator.
@ -166,21 +171,23 @@ func NewFromTemplate(r io.Reader) (Generator, error) {
if err := json.NewDecoder(r).Decode(&spec); err != nil {
return Generator{}, err
}
return Generator{&spec}, nil
return Generator{
spec: &spec,
}, nil
}
// SetSpec sets the spec in the Generator g.
func (g Generator) SetSpec(spec *rspec.Spec) {
func (g *Generator) SetSpec(spec *rspec.Spec) {
g.spec = spec
}
// GetSpec gets the spec in the Generator g.
func (g Generator) GetSpec() *rspec.Spec {
// Spec gets the spec in the Generator g.
func (g *Generator) Spec() *rspec.Spec {
return g.spec
}
// Save writes the spec into w.
func (g Generator) Save(w io.Writer) error {
func (g *Generator) Save(w io.Writer) error {
data, err := json.MarshalIndent(g.spec, "", "\t")
if err != nil {
return err
@ -195,7 +202,7 @@ func (g Generator) Save(w io.Writer) error {
}
// SaveToFile writes the spec into a file.
func (g Generator) SaveToFile(path string) error {
func (g *Generator) SaveToFile(path string) error {
f, err := os.Create(path)
if err != nil {
return err
@ -205,35 +212,38 @@ func (g Generator) SaveToFile(path string) error {
}
// SetVersion sets g.spec.Version.
func (g Generator) SetVersion(version string) {
func (g *Generator) SetVersion(version string) {
g.initSpec()
g.spec.Version = version
}
// SetRootPath sets g.spec.Root.Path.
func (g Generator) SetRootPath(path string) {
func (g *Generator) SetRootPath(path string) {
g.initSpec()
g.spec.Root.Path = path
}
// SetRootReadonly sets g.spec.Root.Readonly.
func (g Generator) SetRootReadonly(b bool) {
func (g *Generator) SetRootReadonly(b bool) {
g.initSpec()
g.spec.Root.Readonly = b
}
// SetHostname sets g.spec.Hostname.
func (g Generator) SetHostname(s string) {
func (g *Generator) SetHostname(s string) {
g.initSpec()
g.spec.Hostname = s
}
// ClearAnnotations clears g.spec.Annotations.
func (g Generator) ClearAnnotations() {
func (g *Generator) ClearAnnotations() {
g.initSpec()
g.spec.Annotations = make(map[string]string)
}
// AddAnnotation adds an annotation into g.spec.Annotations.
func (g Generator) AddAnnotation(s string) error {
if g.spec.Annotations == nil {
g.spec.Annotations = make(map[string]string)
}
func (g *Generator) AddAnnotation(s string) error {
g.initSpecAnnotations()
pair := strings.Split(s, "=")
if len(pair) != 2 {
@ -244,80 +254,93 @@ func (g Generator) AddAnnotation(s string) error {
}
// RemoveAnnotation remove an annotation from g.spec.Annotations.
func (g Generator) RemoveAnnotation(key string) {
if g.spec.Annotations == nil {
func (g *Generator) RemoveAnnotation(key string) {
if g.spec == nil || g.spec.Annotations == nil {
return
}
delete(g.spec.Annotations, key)
}
// SetPlatformOS sets g.spec.Process.OS.
func (g Generator) SetPlatformOS(os string) {
func (g *Generator) SetPlatformOS(os string) {
g.initSpec()
g.spec.Platform.OS = os
}
// SetPlatformArch sets g.spec.Platform.Arch.
func (g Generator) SetPlatformArch(arch string) {
func (g *Generator) SetPlatformArch(arch string) {
g.initSpec()
g.spec.Platform.Arch = arch
}
// SetProcessUID sets g.spec.Process.User.UID.
func (g Generator) SetProcessUID(uid uint32) {
func (g *Generator) SetProcessUID(uid uint32) {
g.initSpec()
g.spec.Process.User.UID = uid
}
// SetProcessGID sets g.spec.Process.User.GID.
func (g Generator) SetProcessGID(gid uint32) {
func (g *Generator) SetProcessGID(gid uint32) {
g.initSpec()
g.spec.Process.User.GID = gid
}
// SetProcessCwd sets g.spec.Process.Cwd.
func (g Generator) SetProcessCwd(cwd string) {
func (g *Generator) SetProcessCwd(cwd string) {
g.initSpec()
g.spec.Process.Cwd = cwd
}
// SetProcessNoNewPrivileges sets g.spec.Process.NoNewPrivileges.
func (g Generator) SetProcessNoNewPrivileges(b bool) {
func (g *Generator) SetProcessNoNewPrivileges(b bool) {
g.initSpec()
g.spec.Process.NoNewPrivileges = b
}
// SetProcessTerminal sets g.spec.Process.Terminal.
func (g Generator) SetProcessTerminal(b bool) {
func (g *Generator) SetProcessTerminal(b bool) {
g.initSpec()
g.spec.Process.Terminal = b
}
// SetProcessApparmorProfile sets g.spec.Process.ApparmorProfile.
func (g Generator) SetProcessApparmorProfile(prof string) {
func (g *Generator) SetProcessApparmorProfile(prof string) {
g.initSpec()
g.spec.Process.ApparmorProfile = prof
}
// SetProcessArgs sets g.spec.Process.Args.
func (g Generator) SetProcessArgs(args []string) {
func (g *Generator) SetProcessArgs(args []string) {
g.initSpec()
g.spec.Process.Args = args
}
// ClearProcessEnv clears g.spec.Process.Env.
func (g Generator) ClearProcessEnv() {
func (g *Generator) ClearProcessEnv() {
g.initSpec()
g.spec.Process.Env = []string{}
}
// AddProcessEnv adds env into g.spec.Process.Env.
func (g Generator) AddProcessEnv(env string) {
func (g *Generator) AddProcessEnv(env string) {
g.initSpec()
g.spec.Process.Env = append(g.spec.Process.Env, env)
}
// ClearProcessAdditionalGids clear g.spec.Process.AdditionalGids.
func (g Generator) ClearProcessAdditionalGids() {
func (g *Generator) ClearProcessAdditionalGids() {
g.initSpec()
g.spec.Process.User.AdditionalGids = []uint32{}
}
// AddProcessAdditionalGid adds an additional gid into g.spec.Process.AdditionalGids.
func (g Generator) AddProcessAdditionalGid(gid string) error {
func (g *Generator) AddProcessAdditionalGid(gid string) error {
groupID, err := strconv.Atoi(gid)
if err != nil {
return err
}
g.initSpec()
for _, group := range g.spec.Process.User.AdditionalGids {
if group == uint32(groupID) {
return nil
@ -328,107 +351,112 @@ func (g Generator) AddProcessAdditionalGid(gid string) error {
}
// SetProcessSelinuxLabel sets g.spec.Process.SelinuxLabel.
func (g Generator) SetProcessSelinuxLabel(label string) {
func (g *Generator) SetProcessSelinuxLabel(label string) {
g.initSpec()
g.spec.Process.SelinuxLabel = label
}
// SetLinuxCgroupsPath sets g.spec.Linux.CgroupsPath.
func (g Generator) SetLinuxCgroupsPath(path string) {
func (g *Generator) SetLinuxCgroupsPath(path string) {
g.initSpecLinux()
g.spec.Linux.CgroupsPath = strPtr(path)
}
// SetLinuxMountLabel sets g.spec.Linux.MountLabel.
func (g Generator) SetLinuxMountLabel(label string) {
func (g *Generator) SetLinuxMountLabel(label string) {
g.initSpecLinux()
g.spec.Linux.MountLabel = label
}
// SetLinuxResourcesCPUShares sets g.spec.Linux.Resources.CPU.Shares.
func (g Generator) SetLinuxResourcesCPUShares(shares uint64) {
func (g *Generator) SetLinuxResourcesCPUShares(shares uint64) {
g.initSpecLinuxResourcesCPU()
g.spec.Linux.Resources.CPU.Shares = &shares
}
// SetLinuxResourcesCPUQuota sets g.spec.Linux.Resources.CPU.Quota.
func (g Generator) SetLinuxResourcesCPUQuota(quota uint64) {
func (g *Generator) SetLinuxResourcesCPUQuota(quota uint64) {
g.initSpecLinuxResourcesCPU()
g.spec.Linux.Resources.CPU.Quota = &quota
}
// SetLinuxResourcesCPUPeriod sets g.spec.Linux.Resources.CPU.Period.
func (g Generator) SetLinuxResourcesCPUPeriod(period uint64) {
func (g *Generator) SetLinuxResourcesCPUPeriod(period uint64) {
g.initSpecLinuxResourcesCPU()
g.spec.Linux.Resources.CPU.Period = &period
}
// SetLinuxResourcesCPURealtimeRuntime sets g.spec.Linux.Resources.CPU.RealtimeRuntime.
func (g Generator) SetLinuxResourcesCPURealtimeRuntime(time uint64) {
func (g *Generator) SetLinuxResourcesCPURealtimeRuntime(time uint64) {
g.initSpecLinuxResourcesCPU()
g.spec.Linux.Resources.CPU.RealtimeRuntime = &time
}
// SetLinuxResourcesCPURealtimePeriod sets g.spec.Linux.Resources.CPU.RealtimePeriod.
func (g Generator) SetLinuxResourcesCPURealtimePeriod(period uint64) {
func (g *Generator) SetLinuxResourcesCPURealtimePeriod(period uint64) {
g.initSpecLinuxResourcesCPU()
g.spec.Linux.Resources.CPU.RealtimePeriod = &period
}
// SetLinuxResourcesCPUCpus sets g.spec.Linux.Resources.CPU.Cpus.
func (g Generator) SetLinuxResourcesCPUCpus(cpus string) {
func (g *Generator) SetLinuxResourcesCPUCpus(cpus string) {
g.initSpecLinuxResourcesCPU()
g.spec.Linux.Resources.CPU.Cpus = &cpus
}
// SetLinuxResourcesCPUMems sets g.spec.Linux.Resources.CPU.Mems.
func (g Generator) SetLinuxResourcesCPUMems(mems string) {
func (g *Generator) SetLinuxResourcesCPUMems(mems string) {
g.initSpecLinuxResourcesCPU()
g.spec.Linux.Resources.CPU.Mems = &mems
}
// SetLinuxResourcesMemoryLimit sets g.spec.Linux.Resources.Memory.Limit.
func (g Generator) SetLinuxResourcesMemoryLimit(limit uint64) {
if g.spec.Linux == nil {
g.spec.Linux = &rspec.Linux{}
}
if g.spec.Linux.Resources == nil {
g.spec.Linux.Resources = &rspec.Resources{}
}
if g.spec.Linux.Resources.Memory == nil {
g.spec.Linux.Resources.Memory = &rspec.Memory{}
}
func (g *Generator) SetLinuxResourcesMemoryLimit(limit uint64) {
g.initSpecLinuxResourcesMemory()
g.spec.Linux.Resources.Memory.Limit = &limit
}
// SetLinuxResourcesMemoryReservation sets g.spec.Linux.Resources.Memory.Reservation.
func (g Generator) SetLinuxResourcesMemoryReservation(reservation uint64) {
func (g *Generator) SetLinuxResourcesMemoryReservation(reservation uint64) {
g.initSpecLinuxResourcesMemory()
g.spec.Linux.Resources.Memory.Reservation = &reservation
}
// SetLinuxResourcesMemorySwap sets g.spec.Linux.Resources.Memory.Swap.
func (g Generator) SetLinuxResourcesMemorySwap(swap uint64) {
func (g *Generator) SetLinuxResourcesMemorySwap(swap uint64) {
g.initSpecLinuxResourcesMemory()
g.spec.Linux.Resources.Memory.Swap = &swap
}
// SetLinuxResourcesMemoryKernel sets g.spec.Linux.Resources.Memory.Kernel.
func (g Generator) SetLinuxResourcesMemoryKernel(kernel uint64) {
func (g *Generator) SetLinuxResourcesMemoryKernel(kernel uint64) {
g.initSpecLinuxResourcesMemory()
g.spec.Linux.Resources.Memory.Kernel = &kernel
}
// SetLinuxResourcesMemoryKernelTCP sets g.spec.Linux.Resources.Memory.KernelTCP.
func (g Generator) SetLinuxResourcesMemoryKernelTCP(kernelTCP uint64) {
func (g *Generator) SetLinuxResourcesMemoryKernelTCP(kernelTCP uint64) {
g.initSpecLinuxResourcesMemory()
g.spec.Linux.Resources.Memory.KernelTCP = &kernelTCP
}
// SetLinuxResourcesMemorySwappiness sets g.spec.Linux.Resources.Memory.Swappiness.
func (g Generator) SetLinuxResourcesMemorySwappiness(swappiness uint64) {
func (g *Generator) SetLinuxResourcesMemorySwappiness(swappiness uint64) {
g.initSpecLinuxResourcesMemory()
g.spec.Linux.Resources.Memory.Swappiness = &swappiness
}
// ClearLinuxSysctl clears g.spec.Linux.Sysctl.
func (g Generator) ClearLinuxSysctl() {
func (g *Generator) ClearLinuxSysctl() {
if g.spec == nil || g.spec.Linux == nil {
return
}
g.spec.Linux.Sysctl = make(map[string]string)
}
// AddLinuxSysctl adds a new sysctl config into g.spec.Linux.Sysctl.
func (g Generator) AddLinuxSysctl(s string) error {
if g.spec.Linux.Sysctl == nil {
g.spec.Linux.Sysctl = make(map[string]string)
}
func (g *Generator) AddLinuxSysctl(s string) error {
g.initSpecLinuxSysctl()
pair := strings.Split(s, "=")
if len(pair) != 2 {
@ -439,15 +467,15 @@ func (g Generator) AddLinuxSysctl(s string) error {
}
// RemoveLinuxSysctl removes a sysctl config from g.spec.Linux.Sysctl.
func (g Generator) RemoveLinuxSysctl(key string) {
if g.spec.Linux.Sysctl == nil {
func (g *Generator) RemoveLinuxSysctl(key string) {
if g.spec == nil || g.spec.Linux == nil || g.spec.Linux.Sysctl == nil {
return
}
delete(g.spec.Linux.Sysctl, key)
}
// SetLinuxSeccompDefault sets g.spec.Linux.Seccomp.DefaultAction.
func (g Generator) SetLinuxSeccompDefault(sdefault string) error {
func (g *Generator) SetLinuxSeccompDefault(sdefault string) error {
switch sdefault {
case "":
case "SCMP_ACT_KILL":
@ -461,10 +489,7 @@ func (g Generator) SetLinuxSeccompDefault(sdefault string) error {
"SCMP_ACT_ALLOW")
}
if g.spec.Linux.Seccomp == nil {
g.spec.Linux.Seccomp = &rspec.Seccomp{}
}
g.initSpecLinuxSeccomp()
g.spec.Linux.Seccomp.DefaultAction = rspec.Action(sdefault)
return nil
}
@ -494,8 +519,8 @@ func checkSeccompArch(arch string) error {
}
// ClearLinuxSeccompArch clears g.spec.Linux.Seccomp.Architectures.
func (g Generator) ClearLinuxSeccompArch() {
if g.spec.Linux.Seccomp == nil {
func (g *Generator) ClearLinuxSeccompArch() {
if g.spec == nil || g.spec.Linux == nil || g.spec.Linux.Seccomp == nil {
return
}
@ -503,27 +528,24 @@ func (g Generator) ClearLinuxSeccompArch() {
}
// AddLinuxSeccompArch adds sArch into g.spec.Linux.Seccomp.Architectures.
func (g Generator) AddLinuxSeccompArch(sArch string) error {
func (g *Generator) AddLinuxSeccompArch(sArch string) error {
if err := checkSeccompArch(sArch); err != nil {
return err
}
if g.spec.Linux.Seccomp == nil {
g.spec.Linux.Seccomp = &rspec.Seccomp{}
}
g.initSpecLinuxSeccomp()
g.spec.Linux.Seccomp.Architectures = append(g.spec.Linux.Seccomp.Architectures, rspec.Arch(sArch))
return nil
}
// RemoveSeccompArch removes sArch from g.spec.Linux.Seccomp.Architectures.
func (g Generator) RemoveSeccompArch(sArch string) error {
func (g *Generator) RemoveSeccompArch(sArch string) error {
if err := checkSeccompArch(sArch); err != nil {
return err
}
if g.spec.Linux.Seccomp == nil {
if g.spec == nil || g.spec.Linux == nil || g.spec.Linux.Seccomp == nil {
return nil
}
@ -622,8 +644,8 @@ func parseSeccompSyscall(s string) (rspec.Syscall, error) {
}
// ClearLinuxSeccompSyscall clears g.spec.Linux.Seccomp.Syscalls.
func (g Generator) ClearLinuxSeccompSyscall() {
if g.spec.Linux.Seccomp == nil {
func (g *Generator) ClearLinuxSeccompSyscall() {
if g.spec == nil || g.spec.Linux == nil || g.spec.Linux.Seccomp == nil {
return
}
@ -631,50 +653,43 @@ func (g Generator) ClearLinuxSeccompSyscall() {
}
// AddLinuxSeccompSyscall adds sSyscall into g.spec.Linux.Seccomp.Syscalls.
func (g Generator) AddLinuxSeccompSyscall(sSyscall string) error {
func (g *Generator) AddLinuxSeccompSyscall(sSyscall string) error {
f, err := parseSeccompSyscall(sSyscall)
if err != nil {
return err
}
if g.spec.Linux.Seccomp == nil {
g.spec.Linux.Seccomp = &rspec.Seccomp{}
}
g.initSpecLinuxSeccomp()
g.spec.Linux.Seccomp.Syscalls = append(g.spec.Linux.Seccomp.Syscalls, f)
return nil
}
// AddLinuxSeccompSyscallAllow adds seccompAllow into g.spec.Linux.Seccomp.Syscalls.
func (g Generator) AddLinuxSeccompSyscallAllow(seccompAllow string) {
if g.spec.Linux.Seccomp == nil {
g.spec.Linux.Seccomp = &rspec.Seccomp{}
}
func (g *Generator) AddLinuxSeccompSyscallAllow(seccompAllow string) {
syscall := rspec.Syscall{
Name: seccompAllow,
Action: "SCMP_ACT_ALLOW",
}
g.initSpecLinuxSeccomp()
g.spec.Linux.Seccomp.Syscalls = append(g.spec.Linux.Seccomp.Syscalls, syscall)
}
// AddLinuxSeccompSyscallErrno adds seccompErrno into g.spec.Linux.Seccomp.Syscalls.
func (g Generator) AddLinuxSeccompSyscallErrno(seccompErrno string) {
if g.spec.Linux.Seccomp == nil {
g.spec.Linux.Seccomp = &rspec.Seccomp{}
}
func (g *Generator) AddLinuxSeccompSyscallErrno(seccompErrno string) {
syscall := rspec.Syscall{
Name: seccompErrno,
Action: "SCMP_ACT_ERRNO",
}
g.initSpecLinuxSeccomp()
g.spec.Linux.Seccomp.Syscalls = append(g.spec.Linux.Seccomp.Syscalls, syscall)
}
// RemoveSeccompSyscallByName removes all the seccomp syscalls with the given
// name from g.spec.Linux.Seccomp.Syscalls.
func (g Generator) RemoveSeccompSyscallByName(name string) error {
if g.spec.Linux.Seccomp == nil {
func (g *Generator) RemoveSeccompSyscallByName(name string) error {
if g.spec == nil || g.spec.Linux == nil || g.spec.Linux.Seccomp == nil {
return nil
}
@ -690,8 +705,8 @@ func (g Generator) RemoveSeccompSyscallByName(name string) error {
// RemoveSeccompSyscallByAction removes all the seccomp syscalls with the given
// action from g.spec.Linux.Seccomp.Syscalls.
func (g Generator) RemoveSeccompSyscallByAction(action string) error {
if g.spec.Linux.Seccomp == nil {
func (g *Generator) RemoveSeccompSyscallByAction(action string) error {
if g.spec == nil || g.spec.Linux == nil || g.spec.Linux.Seccomp == nil {
return nil
}
@ -711,8 +726,8 @@ func (g Generator) RemoveSeccompSyscallByAction(action string) error {
// RemoveSeccompSyscall removes all the seccomp syscalls with the given
// name and action from g.spec.Linux.Seccomp.Syscalls.
func (g Generator) RemoveSeccompSyscall(name string, action string) error {
if g.spec.Linux.Seccomp == nil {
func (g *Generator) RemoveSeccompSyscall(name string, action string) error {
if g.spec == nil || g.spec.Linux == nil || g.spec.Linux.Seccomp == nil {
return nil
}
@ -761,39 +776,47 @@ func parseIDMapping(idms string) (rspec.IDMapping, error) {
}
// ClearLinuxUIDMappings clear g.spec.Linux.UIDMappings.
func (g Generator) ClearLinuxUIDMappings() {
func (g *Generator) ClearLinuxUIDMappings() {
if g.spec == nil || g.spec.Linux == nil {
return
}
g.spec.Linux.UIDMappings = []rspec.IDMapping{}
}
// AddLinuxUIDMapping adds uidMap into g.spec.Linux.UIDMappings.
func (g Generator) AddLinuxUIDMapping(uidMap string) error {
func (g *Generator) AddLinuxUIDMapping(uidMap string) error {
r, err := parseIDMapping(uidMap)
if err != nil {
return err
}
g.initSpecLinux()
g.spec.Linux.UIDMappings = append(g.spec.Linux.UIDMappings, r)
return nil
}
// ClearLinuxGIDMappings clear g.spec.Linux.GIDMappings.
func (g Generator) ClearLinuxGIDMappings() {
func (g *Generator) ClearLinuxGIDMappings() {
if g.spec == nil || g.spec.Linux == nil {
return
}
g.spec.Linux.GIDMappings = []rspec.IDMapping{}
}
// AddLinuxGIDMapping adds gidMap into g.spec.Linux.GIDMappings.
func (g Generator) AddLinuxGIDMapping(gidMap string) error {
func (g *Generator) AddLinuxGIDMapping(gidMap string) error {
r, err := parseIDMapping(gidMap)
if err != nil {
return err
}
g.initSpecLinux()
g.spec.Linux.GIDMappings = append(g.spec.Linux.GIDMappings, r)
return nil
}
// SetLinuxRootPropagation sets g.spec.Linux.RootfsPropagation.
func (g Generator) SetLinuxRootPropagation(rp string) error {
func (g *Generator) SetLinuxRootPropagation(rp string) error {
switch rp {
case "":
case "private":
@ -805,6 +828,7 @@ func (g Generator) SetLinuxRootPropagation(rp string) error {
default:
return fmt.Errorf("rootfs-propagation must be empty or one of private|rprivate|slave|rslave|shared|rshared")
}
g.initSpecLinux()
g.spec.Linux.RootfsPropagation = rp
return nil
}
@ -820,43 +844,55 @@ func parseHook(s string) rspec.Hook {
}
// ClearPreStartHooks clear g.spec.Hooks.Prestart.
func (g Generator) ClearPreStartHooks() {
func (g *Generator) ClearPreStartHooks() {
if g.spec == nil {
return
}
g.spec.Hooks.Prestart = []rspec.Hook{}
}
// AddPreStartHook add a prestart hook into g.spec.Hooks.Prestart.
func (g Generator) AddPreStartHook(s string) error {
func (g *Generator) AddPreStartHook(s string) error {
hook := parseHook(s)
g.initSpec()
g.spec.Hooks.Prestart = append(g.spec.Hooks.Prestart, hook)
return nil
}
// ClearPostStopHooks clear g.spec.Hooks.Poststop.
func (g Generator) ClearPostStopHooks() {
func (g *Generator) ClearPostStopHooks() {
if g.spec == nil {
return
}
g.spec.Hooks.Poststop = []rspec.Hook{}
}
// AddPostStopHook adds a poststop hook into g.spec.Hooks.Poststop.
func (g Generator) AddPostStopHook(s string) error {
func (g *Generator) AddPostStopHook(s string) error {
hook := parseHook(s)
g.initSpec()
g.spec.Hooks.Poststop = append(g.spec.Hooks.Poststop, hook)
return nil
}
// ClearPostStartHooks clear g.spec.Hooks.Poststart.
func (g Generator) ClearPostStartHooks() {
func (g *Generator) ClearPostStartHooks() {
if g.spec == nil {
return
}
g.spec.Hooks.Poststart = []rspec.Hook{}
}
// AddPostStartHook adds a poststart hook into g.spec.Hooks.Poststart.
func (g Generator) AddPostStartHook(s string) error {
func (g *Generator) AddPostStartHook(s string) error {
hook := parseHook(s)
g.initSpec()
g.spec.Hooks.Poststart = append(g.spec.Hooks.Poststart, hook)
return nil
}
// AddTmpfsMount adds a tmpfs mount into g.spec.Mounts.
func (g Generator) AddTmpfsMount(dest string) error {
func (g *Generator) AddTmpfsMount(dest string) error {
mnt := rspec.Mount{
Destination: dest,
Type: "tmpfs",
@ -864,12 +900,13 @@ func (g Generator) AddTmpfsMount(dest string) error {
Options: []string{"nosuid", "nodev", "mode=755"},
}
g.initSpec()
g.spec.Mounts = append(g.spec.Mounts, mnt)
return nil
}
// AddCgroupsMount adds a cgroup mount into g.spec.Mounts.
func (g Generator) AddCgroupsMount(mountCgroupOption string) error {
func (g *Generator) AddCgroupsMount(mountCgroupOption string) error {
switch mountCgroupOption {
case "ro":
case "rw":
@ -885,13 +922,14 @@ func (g Generator) AddCgroupsMount(mountCgroupOption string) error {
Source: "cgroup",
Options: []string{"nosuid", "noexec", "nodev", "relatime", mountCgroupOption},
}
g.initSpec()
g.spec.Mounts = append(g.spec.Mounts, mnt)
return nil
}
// AddBindMount adds a bind mount into g.spec.Mounts.
func (g Generator) AddBindMount(bind string) error {
func (g *Generator) AddBindMount(bind string) error {
var source, dest string
options := "ro"
bparts := strings.SplitN(bind, ":", 3)
@ -911,18 +949,23 @@ func (g Generator) AddBindMount(bind string) error {
Source: source,
Options: append(defaultOptions, options),
}
g.initSpec()
g.spec.Mounts = append(g.spec.Mounts, mnt)
return nil
}
// SetupPrivileged sets up the priviledge-related fields inside g.spec.
func (g Generator) SetupPrivileged(privileged bool) {
func (g *Generator) SetupPrivileged(privileged bool) {
if privileged {
// Add all capabilities in privileged mode.
var finalCapList []string
for _, cap := range capability.List() {
if g.HostSpecific && cap > capability.CAP_LAST_CAP {
continue
}
finalCapList = append(finalCapList, fmt.Sprintf("CAP_%s", strings.ToUpper(cap.String())))
}
g.initSpecLinux()
g.spec.Process.Capabilities = finalCapList
g.spec.Process.SelinuxLabel = ""
g.spec.Process.ApparmorProfile = ""
@ -930,12 +973,15 @@ func (g Generator) SetupPrivileged(privileged bool) {
}
}
func checkCap(c string) error {
func checkCap(c string, hostSpecific bool) error {
isValid := false
cp := strings.ToUpper(c)
for _, cap := range capability.List() {
if cp == strings.ToUpper(cap.String()) {
if hostSpecific && cap > capability.CAP_LAST_CAP {
return fmt.Errorf("CAP_%s is not supported on the current host", cp)
}
isValid = true
break
}
@ -948,18 +994,22 @@ func checkCap(c string) error {
}
// ClearProcessCapabilities clear g.spec.Process.Capabilities.
func (g Generator) ClearProcessCapabilities() {
func (g *Generator) ClearProcessCapabilities() {
if g.spec == nil {
return
}
g.spec.Process.Capabilities = []string{}
}
// AddProcessCapability adds a process capability into g.spec.Process.Capabilities.
func (g Generator) AddProcessCapability(c string) error {
if err := checkCap(c); err != nil {
func (g *Generator) AddProcessCapability(c string) error {
if err := checkCap(c, g.HostSpecific); err != nil {
return err
}
cp := fmt.Sprintf("CAP_%s", strings.ToUpper(c))
g.initSpec()
for _, cap := range g.spec.Process.Capabilities {
if strings.ToUpper(cap) == cp {
return nil
@ -971,13 +1021,14 @@ func (g Generator) AddProcessCapability(c string) error {
}
// DropProcessCapability drops a process capability from g.spec.Process.Capabilities.
func (g Generator) DropProcessCapability(c string) error {
if err := checkCap(c); err != nil {
func (g *Generator) DropProcessCapability(c string) error {
if err := checkCap(c, g.HostSpecific); err != nil {
return err
}
cp := fmt.Sprintf("CAP_%s", strings.ToUpper(c))
g.initSpec()
for i, cap := range g.spec.Process.Capabilities {
if strings.ToUpper(cap) == cp {
g.spec.Process.Capabilities = append(g.spec.Process.Capabilities[:i], g.spec.Process.Capabilities[i+1:]...)
@ -1010,18 +1061,22 @@ func mapStrToNamespace(ns string, path string) (rspec.Namespace, error) {
}
// ClearLinuxNamespaces clear g.spec.Linux.Namespaces.
func (g Generator) ClearLinuxNamespaces() {
func (g *Generator) ClearLinuxNamespaces() {
if g.spec == nil || g.spec.Linux == nil {
return
}
g.spec.Linux.Namespaces = []rspec.Namespace{}
}
// AddOrReplaceLinuxNamespace adds or replaces a namespace inside
// g.spec.Linux.Namespaces.
func (g Generator) AddOrReplaceLinuxNamespace(ns string, path string) error {
func (g *Generator) AddOrReplaceLinuxNamespace(ns string, path string) error {
namespace, err := mapStrToNamespace(ns, path)
if err != nil {
return err
}
g.initSpecLinux()
for i, ns := range g.spec.Linux.Namespaces {
if ns.Type == namespace.Type {
g.spec.Linux.Namespaces[i] = namespace
@ -1033,12 +1088,15 @@ func (g Generator) AddOrReplaceLinuxNamespace(ns string, path string) error {
}
// RemoveLinuxNamespace removes a namespace from g.spec.Linux.Namespaces.
func (g Generator) RemoveLinuxNamespace(ns string) error {
func (g *Generator) RemoveLinuxNamespace(ns string) error {
namespace, err := mapStrToNamespace(ns, "")
if err != nil {
return err
}
if g.spec == nil || g.spec.Linux == nil {
return nil
}
for i, ns := range g.spec.Linux.Namespaces {
if ns.Type == namespace.Type {
g.spec.Linux.Namespaces = append(g.spec.Linux.Namespaces[:i], g.spec.Linux.Namespaces[i+1:]...)

View file

@ -0,0 +1,60 @@
package generate
import (
rspec "github.com/opencontainers/runtime-spec/specs-go"
)
func (g *Generator) initSpec() {
if g.spec == nil {
g.spec = &rspec.Spec{}
}
}
func (g *Generator) initSpecAnnotations() {
g.initSpec()
if g.spec.Annotations == nil {
g.spec.Annotations = make(map[string]string)
}
}
func (g *Generator) initSpecLinux() {
g.initSpec()
if g.spec.Linux == nil {
g.spec.Linux = &rspec.Linux{}
}
}
func (g *Generator) initSpecLinuxSysctl() {
g.initSpecLinux()
if g.spec.Linux.Sysctl == nil {
g.spec.Linux.Sysctl = make(map[string]string)
}
}
func (g *Generator) initSpecLinuxSeccomp() {
g.initSpecLinux()
if g.spec.Linux.Seccomp == nil {
g.spec.Linux.Seccomp = &rspec.Seccomp{}
}
}
func (g *Generator) initSpecLinuxResources() {
g.initSpecLinux()
if g.spec.Linux.Resources == nil {
g.spec.Linux.Resources = &rspec.Resources{}
}
}
func (g *Generator) initSpecLinuxResourcesCPU() {
g.initSpecLinuxResources()
if g.spec.Linux.Resources.CPU == nil {
g.spec.Linux.Resources.CPU = &rspec.CPU{}
}
}
func (g *Generator) initSpecLinuxResourcesMemory() {
g.initSpecLinuxResources()
if g.spec.Linux.Resources.Memory == nil {
g.spec.Linux.Resources.Memory = &rspec.Memory{}
}
}