// createContainer populates and configures the container type with the
// data provided by the execdriver.Command
func (d *driver) createContainer(c *execdriver.Command) (*configs.Config, error) {
container := execdriver.InitContainer(c)
if err := execdriver.SetupCgroups(container, c); err != nil {
return nil, err
}
return container, nil
}
// createContainer populates and configures the container type with the
// data provided by the execdriver.Command
func (d *driver) createContainer(c *execdriver.Command) (*configs.Config, error) {
container := execdriver.InitContainer(c)
if err := d.createIpc(container, c); err != nil {
return nil, err
}
if err := d.createPid(container, c); err != nil {
return nil, err
}
if err := d.createUTS(container, c); err != nil {
return nil, err
}
if err := d.createNetwork(container, c); err != nil {
return nil, err
}
if c.ProcessConfig.Privileged {
// clear readonly for /sys
for i := range container.Mounts {
if container.Mounts[i].Destination == "/sys" {
container.Mounts[i].Flags &= ^syscall.MS_RDONLY
}
}
container.ReadonlyPaths = nil
container.MaskPaths = nil
if err := d.setPrivileged(container); err != nil {
return nil, err
}
} else {
if err := d.setCapabilities(container, c); err != nil {
return nil, err
}
}
if c.AppArmorProfile != "" {
container.AppArmorProfile = c.AppArmorProfile
}
if err := execdriver.SetupCgroups(container, c); err != nil {
return nil, err
}
if err := d.setupMounts(container, c); err != nil {
return nil, err
}
d.setupLabels(container, c)
d.setupRlimits(container, c)
return container, nil
}
// createContainer populates and configures the container type with the
// data provided by the execdriver.Command
func (d *driver) createContainer(c *execdriver.Command) (*libcontainer.Config, error) {
container := execdriver.InitContainer(c)
if err := d.createIpc(container, c); err != nil {
return nil, err
}
if err := d.createPid(container, c); err != nil {
return nil, err
}
if err := d.createNetwork(container, c); err != nil {
return nil, err
}
if c.ProcessConfig.Privileged {
if err := d.setPrivileged(container); err != nil {
return nil, err
}
} else {
if err := d.setCapabilities(container, c); err != nil {
return nil, err
}
}
if c.AppArmorProfile != "" {
container.AppArmorProfile = c.AppArmorProfile
}
if err := execdriver.SetupCgroups(container, c); err != nil {
return nil, err
}
if err := d.setupMounts(container, c); err != nil {
return nil, err
}
if err := d.setupLabels(container, c); err != nil {
return nil, err
}
d.setupRlimits(container, c)
cmds := make(map[string]*exec.Cmd)
d.Lock()
for k, v := range d.activeContainers {
cmds[k] = v.cmd
}
d.Unlock()
return container, nil
}
// Update updates configs for a container
func (d *Driver) Update(c *execdriver.Command) error {
d.Lock()
cont := d.activeContainers[c.ID]
d.Unlock()
if cont == nil {
return execdriver.ErrNotRunning
}
config := cont.Config()
if err := execdriver.SetupCgroups(&config, c); err != nil {
return err
}
if err := cont.Set(config); err != nil {
return err
}
return nil
}
// createContainer populates and configures the container type with the
// data provided by the execdriver.Command
func (d *Driver) createContainer(c *execdriver.Command, hooks execdriver.Hooks) (*configs.Config, error) {
container := execdriver.InitContainer(c)
if err := d.createIpc(container, c); err != nil {
return nil, err
}
if err := d.createPid(container, c); err != nil {
return nil, err
}
if err := d.createUTS(container, c); err != nil {
return nil, err
}
if err := d.createNetwork(container, c, hooks); err != nil {
return nil, err
}
if c.ProcessConfig.Privileged {
if !container.Readonlyfs {
// clear readonly for /sys
for i := range container.Mounts {
if container.Mounts[i].Destination == "/sys" {
container.Mounts[i].Flags &= ^syscall.MS_RDONLY
}
}
container.ReadonlyPaths = nil
}
// clear readonly for cgroup
for i := range container.Mounts {
if container.Mounts[i].Device == "cgroup" {
container.Mounts[i].Flags &= ^syscall.MS_RDONLY
}
}
container.MaskPaths = nil
if err := d.setPrivileged(container); err != nil {
return nil, err
}
} else {
if err := d.setCapabilities(container, c); err != nil {
return nil, err
}
}
container.AdditionalGroups = c.GroupAdd
if c.AppArmorProfile != "" {
container.AppArmorProfile = c.AppArmorProfile
}
if err := execdriver.SetupCgroups(container, c); err != nil {
return nil, err
}
if container.Readonlyfs {
for i := range container.Mounts {
switch container.Mounts[i].Destination {
case "/proc", "/dev", "/dev/pts":
continue
}
container.Mounts[i].Flags |= syscall.MS_RDONLY
}
/* These paths must be remounted as r/o */
container.ReadonlyPaths = append(container.ReadonlyPaths, "/dev")
}
if err := d.setupMounts(container, c); err != nil {
return nil, err
}
d.setupLabels(container, c)
d.setupRlimits(container, c)
return container, nil
}
// createContainer populates and configures the container type with the
// data provided by the execdriver.Command
func (d *Driver) createContainer(c *execdriver.Command, hooks execdriver.Hooks) (container *configs.Config, err error) {
container = execdriver.InitContainer(c)
if err := d.createIpc(container, c); err != nil {
return nil, err
}
if err := d.createPid(container, c); err != nil {
return nil, err
}
if err := d.createUTS(container, c); err != nil {
return nil, err
}
if err := d.setupRemappedRoot(container, c); err != nil {
return nil, err
}
if err := d.createNetwork(container, c, hooks); err != nil {
return nil, err
}
if c.ProcessConfig.Privileged {
if !container.Readonlyfs {
// clear readonly for /sys
for i := range container.Mounts {
if container.Mounts[i].Destination == "/sys" {
container.Mounts[i].Flags &= ^syscall.MS_RDONLY
}
}
container.ReadonlyPaths = nil
}
// clear readonly for cgroup
for i := range container.Mounts {
if container.Mounts[i].Device == "cgroup" {
container.Mounts[i].Flags &= ^syscall.MS_RDONLY
}
}
container.MaskPaths = nil
if err := d.setPrivileged(container); err != nil {
return nil, err
}
} else {
if err := d.setCapabilities(container, c); err != nil {
return nil, err
}
if c.SeccompProfile == "" {
container.Seccomp = seccomp.GetDefaultProfile()
}
}
// add CAP_ prefix to all caps for new libcontainer update to match
// the spec format.
for i, s := range container.Capabilities {
if !strings.HasPrefix(s, "CAP_") {
container.Capabilities[i] = fmt.Sprintf("CAP_%s", s)
}
}
container.AdditionalGroups = c.GroupAdd
if c.AppArmorProfile != "" {
container.AppArmorProfile = c.AppArmorProfile
}
if c.SeccompProfile != "" && c.SeccompProfile != "unconfined" {
container.Seccomp, err = seccomp.LoadProfile(c.SeccompProfile)
if err != nil {
return nil, err
}
}
if err := execdriver.SetupCgroups(container, c); err != nil {
return nil, err
}
container.OomScoreAdj = c.OomScoreAdj
if container.Readonlyfs {
for i := range container.Mounts {
switch container.Mounts[i].Destination {
case "/proc", "/dev", "/dev/pts":
continue
}
container.Mounts[i].Flags |= syscall.MS_RDONLY
}
/* These paths must be remounted as r/o */
container.ReadonlyPaths = append(container.ReadonlyPaths, "/dev")
}
if err := d.setupMounts(container, c); err != nil {
return nil, err
}
d.setupLabels(container, c)
d.setupRlimits(container, c)
return container, nil
}