summaryrefslogtreecommitdiff
path: root/pkg/spec
diff options
context:
space:
mode:
Diffstat (limited to 'pkg/spec')
-rw-r--r--pkg/spec/config_linux.go18
-rw-r--r--pkg/spec/config_unsupported.go4
-rw-r--r--pkg/spec/createconfig.go5
-rw-r--r--pkg/spec/parse.go14
-rw-r--r--pkg/spec/spec.go50
-rw-r--r--pkg/spec/storage.go9
6 files changed, 57 insertions, 43 deletions
diff --git a/pkg/spec/config_linux.go b/pkg/spec/config_linux.go
index 5f39b6d0d..544c0020d 100644
--- a/pkg/spec/config_linux.go
+++ b/pkg/spec/config_linux.go
@@ -32,8 +32,8 @@ func Device(d *configs.Device) spec.LinuxDevice {
}
}
-// devicesFromPath computes a list of devices
-func devicesFromPath(g *generate.Generator, devicePath string) error {
+// DevicesFromPath computes a list of devices
+func DevicesFromPath(g *generate.Generator, devicePath string) error {
devs := strings.Split(devicePath, ":")
resolvedDevicePath := devs[0]
// check if it is a symbolic link
@@ -216,7 +216,7 @@ func getDevices(path string) ([]*configs.Device, error) {
return out, nil
}
-func (c *CreateConfig) addPrivilegedDevices(g *generate.Generator) error {
+func addPrivilegedDevices(g *generate.Generator) error {
hostDevices, err := getDevices("/dev")
if err != nil {
return err
@@ -280,16 +280,16 @@ func (c *CreateConfig) createBlockIO() (*spec.LinuxBlockIO, error) {
var lwds []spec.LinuxWeightDevice
ret = bio
for _, i := range c.Resources.BlkioWeightDevice {
- wd, err := validateweightDevice(i)
+ wd, err := ValidateweightDevice(i)
if err != nil {
return ret, errors.Wrapf(err, "invalid values for blkio-weight-device")
}
- wdStat, err := getStatFromPath(wd.path)
+ wdStat, err := GetStatFromPath(wd.Path)
if err != nil {
- return ret, errors.Wrapf(err, "error getting stat from path %q", wd.path)
+ return ret, errors.Wrapf(err, "error getting stat from path %q", wd.Path)
}
lwd := spec.LinuxWeightDevice{
- Weight: &wd.weight,
+ Weight: &wd.Weight,
}
lwd.Major = int64(unix.Major(wdStat.Rdev))
lwd.Minor = int64(unix.Minor(wdStat.Rdev))
@@ -347,7 +347,7 @@ func makeThrottleArray(throttleInput []string, rateType int) ([]spec.LinuxThrott
if err != nil {
return []spec.LinuxThrottleDevice{}, err
}
- ltdStat, err := getStatFromPath(t.path)
+ ltdStat, err := GetStatFromPath(t.path)
if err != nil {
return ltds, errors.Wrapf(err, "error getting stat from path %q", t.path)
}
@@ -361,7 +361,7 @@ func makeThrottleArray(throttleInput []string, rateType int) ([]spec.LinuxThrott
return ltds, nil
}
-func getStatFromPath(path string) (unix.Stat_t, error) {
+func GetStatFromPath(path string) (unix.Stat_t, error) {
s := unix.Stat_t{}
err := unix.Stat(path, &s)
return s, err
diff --git a/pkg/spec/config_unsupported.go b/pkg/spec/config_unsupported.go
index be3e7046d..568afde55 100644
--- a/pkg/spec/config_unsupported.go
+++ b/pkg/spec/config_unsupported.go
@@ -15,7 +15,7 @@ func addDevice(g *generate.Generator, device string) error {
return errors.New("function not implemented")
}
-func (c *CreateConfig) addPrivilegedDevices(g *generate.Generator) error {
+func addPrivilegedDevices(g *generate.Generator) error {
return errors.New("function not implemented")
}
@@ -27,7 +27,7 @@ func makeThrottleArray(throttleInput []string, rateType int) ([]spec.LinuxThrott
return nil, errors.New("function not implemented")
}
-func devicesFromPath(g *generate.Generator, devicePath string) error {
+func DevicesFromPath(g *generate.Generator, devicePath string) error {
return errors.New("function not implemented")
}
diff --git a/pkg/spec/createconfig.go b/pkg/spec/createconfig.go
index 8010be0d4..5011df496 100644
--- a/pkg/spec/createconfig.go
+++ b/pkg/spec/createconfig.go
@@ -126,6 +126,7 @@ type SecurityConfig struct {
}
// CreateConfig is a pre OCI spec structure. It represents user input from varlink or the CLI
+// swagger:model CreateConfig
type CreateConfig struct {
Annotations map[string]string
Args []string
@@ -386,6 +387,6 @@ func (c *CreateConfig) getContainerCreateOptions(runtime *libpod.Runtime, pod *l
// AddPrivilegedDevices iterates through host devices and adds all
// host devices to the spec
-func (c *CreateConfig) AddPrivilegedDevices(g *generate.Generator) error {
- return c.addPrivilegedDevices(g)
+func AddPrivilegedDevices(g *generate.Generator) error {
+ return addPrivilegedDevices(g)
}
diff --git a/pkg/spec/parse.go b/pkg/spec/parse.go
index a5dfccdb9..38d93b87f 100644
--- a/pkg/spec/parse.go
+++ b/pkg/spec/parse.go
@@ -19,12 +19,12 @@ const Pod = "pod"
// weightDevice is a structure that holds device:weight pair
type weightDevice struct {
- path string
- weight uint16
+ Path string
+ Weight uint16
}
func (w *weightDevice) String() string {
- return fmt.Sprintf("%s:%d", w.path, w.weight)
+ return fmt.Sprintf("%s:%d", w.Path, w.Weight)
}
// LinuxNS is a struct that contains namespace information
@@ -59,9 +59,9 @@ func NS(s string) string {
return ""
}
-// validateweightDevice validates that the specified string has a valid device-weight format
+// ValidateweightDevice validates that the specified string has a valid device-weight format
// for blkio-weight-device flag
-func validateweightDevice(val string) (*weightDevice, error) {
+func ValidateweightDevice(val string) (*weightDevice, error) {
split := strings.SplitN(val, ":", 2)
if len(split) != 2 {
return nil, fmt.Errorf("bad format: %s", val)
@@ -78,8 +78,8 @@ func validateweightDevice(val string) (*weightDevice, error) {
}
return &weightDevice{
- path: split[0],
- weight: uint16(weight),
+ Path: split[0],
+ Weight: uint16(weight),
}, nil
}
diff --git a/pkg/spec/spec.go b/pkg/spec/spec.go
index b2a152a2d..a4ae22efd 100644
--- a/pkg/spec/spec.go
+++ b/pkg/spec/spec.go
@@ -16,9 +16,9 @@ import (
"github.com/pkg/errors"
)
-const cpuPeriod = 100000
+const CpuPeriod = 100000
-func getAvailableGids() (int64, error) {
+func GetAvailableGids() (int64, error) {
idMap, err := user.ParseIDMapFile("/proc/self/gid_map")
if err != nil {
return 0, err
@@ -80,7 +80,7 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM
}
gid5Available := true
if isRootless {
- nGids, err := getAvailableGids()
+ nGids, err := GetAvailableGids()
if err != nil {
return nil, err
}
@@ -197,8 +197,8 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM
addedResources = true
}
if config.Resources.CPUs != 0 {
- g.SetLinuxResourcesCPUPeriod(cpuPeriod)
- g.SetLinuxResourcesCPUQuota(int64(config.Resources.CPUs * cpuPeriod))
+ g.SetLinuxResourcesCPUPeriod(CpuPeriod)
+ g.SetLinuxResourcesCPUQuota(int64(config.Resources.CPUs * CpuPeriod))
addedResources = true
}
if config.Resources.CPURtRuntime != 0 {
@@ -223,12 +223,12 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM
// If privileged, we need to add all the host devices to the
// spec. We do not add the user provided ones because we are
// already adding them all.
- if err := config.AddPrivilegedDevices(&g); err != nil {
+ if err := AddPrivilegedDevices(&g); err != nil {
return nil, err
}
} else {
for _, devicePath := range config.Devices {
- if err := devicesFromPath(&g, devicePath); err != nil {
+ if err := DevicesFromPath(&g, devicePath); err != nil {
return nil, err
}
}
@@ -241,23 +241,35 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM
}
// SECURITY OPTS
+ var runtimeConfig *libpodconfig.Config
+
+ if runtime != nil {
+ runtimeConfig, err = runtime.GetConfig()
+ if err != nil {
+ return nil, err
+ }
+ }
+
g.SetProcessNoNewPrivileges(config.Security.NoNewPrivs)
if !config.Security.Privileged {
g.SetProcessApparmorProfile(config.Security.ApparmorProfile)
}
- blockAccessToKernelFilesystems(config, &g)
-
- var runtimeConfig *libpodconfig.Config
-
- if runtime != nil {
- runtimeConfig, err = runtime.GetConfig()
- if err != nil {
+ // Unless already set via the CLI, check if we need to disable process
+ // labels or set the defaults.
+ if len(config.Security.LabelOpts) == 0 && runtimeConfig != nil {
+ if !runtimeConfig.EnableLabeling {
+ // Disabled in the config.
+ config.Security.LabelOpts = append(config.Security.LabelOpts, "disable")
+ } else if err := config.Security.SetLabelOpts(runtime, &config.Pid, &config.Ipc); err != nil {
+ // Defaults!
return nil, err
}
}
+ BlockAccessToKernelFilesystems(config.Security.Privileged, config.Pid.PidMode.IsHost(), &g)
+
// RESOURCES - PIDS
if config.Resources.PidsLimit > 0 {
// if running on rootless on a cgroupv1 machine or using the cgroupfs manager, pids
@@ -320,9 +332,9 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM
}
// BIND MOUNTS
- configSpec.Mounts = supercedeUserMounts(userMounts, configSpec.Mounts)
+ configSpec.Mounts = SupercedeUserMounts(userMounts, configSpec.Mounts)
// Process mounts to ensure correct options
- finalMounts, err := initFSMounts(configSpec.Mounts)
+ finalMounts, err := InitFSMounts(configSpec.Mounts)
if err != nil {
return nil, err
}
@@ -404,8 +416,8 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM
return configSpec, nil
}
-func blockAccessToKernelFilesystems(config *CreateConfig, g *generate.Generator) {
- if !config.Security.Privileged {
+func BlockAccessToKernelFilesystems(privileged, pidModeIsHost bool, g *generate.Generator) {
+ if !privileged {
for _, mp := range []string{
"/proc/acpi",
"/proc/kcore",
@@ -421,7 +433,7 @@ func blockAccessToKernelFilesystems(config *CreateConfig, g *generate.Generator)
g.AddLinuxMaskedPaths(mp)
}
- if config.Pid.PidMode.IsHost() && rootless.IsRootless() {
+ if pidModeIsHost && rootless.IsRootless() {
return
}
diff --git a/pkg/spec/storage.go b/pkg/spec/storage.go
index 0e2098c1d..c365701de 100644
--- a/pkg/spec/storage.go
+++ b/pkg/spec/storage.go
@@ -739,6 +739,7 @@ func (config *CreateConfig) getImageVolumes() (map[string]spec.Mount, map[string
for vol := range config.BuiltinImgVolumes {
cleanDest := filepath.Clean(vol)
+ logrus.Debugf("Adding image volume at %s", cleanDest)
if config.ImageVolumeType == "tmpfs" {
// Tmpfs image volumes are handled as mounts
mount := spec.Mount{
@@ -747,13 +748,13 @@ func (config *CreateConfig) getImageVolumes() (map[string]spec.Mount, map[string
Type: TypeTmpfs,
Options: []string{"rprivate", "rw", "nodev", "exec"},
}
- mounts[vol] = mount
+ mounts[cleanDest] = mount
} else {
// Anonymous volumes have no name.
namedVolume := new(libpod.ContainerNamedVolume)
namedVolume.Options = []string{"rprivate", "rw", "nodev", "exec"}
namedVolume.Dest = cleanDest
- volumes[vol] = namedVolume
+ volumes[cleanDest] = namedVolume
}
}
@@ -825,7 +826,7 @@ func (config *CreateConfig) addContainerInitBinary(path string) (spec.Mount, err
// TODO: Should we unmount subtree mounts? E.g., if /tmp/ is mounted by
// one mount, and we already have /tmp/a and /tmp/b, should we remove
// the /tmp/a and /tmp/b mounts in favor of the more general /tmp?
-func supercedeUserMounts(mounts []spec.Mount, configMount []spec.Mount) []spec.Mount {
+func SupercedeUserMounts(mounts []spec.Mount, configMount []spec.Mount) []spec.Mount {
if len(mounts) > 0 {
// If we have overlappings mounts, remove them from the spec in favor of
// the user-added volume mounts
@@ -854,7 +855,7 @@ func supercedeUserMounts(mounts []spec.Mount, configMount []spec.Mount) []spec.M
}
// Ensure mount options on all mounts are correct
-func initFSMounts(inputMounts []spec.Mount) ([]spec.Mount, error) {
+func InitFSMounts(inputMounts []spec.Mount) ([]spec.Mount, error) {
// We need to look up mounts so we can figure out the proper mount flags
// to apply.
systemMounts, err := pmount.GetMounts()