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-rw-r--r--pkg/specgen/config_linux.go93
-rw-r--r--pkg/specgen/container_validate.go4
-rw-r--r--pkg/specgen/generate/container.go2
-rw-r--r--pkg/specgen/generate/container_create.go42
-rw-r--r--pkg/specgen/generate/namespaces.go8
-rw-r--r--pkg/specgen/generate/oci.go4
-rw-r--r--pkg/specgen/pod_validate.go2
7 files changed, 50 insertions, 105 deletions
diff --git a/pkg/specgen/config_linux.go b/pkg/specgen/config_linux.go
deleted file mode 100644
index 82a371492..000000000
--- a/pkg/specgen/config_linux.go
+++ /dev/null
@@ -1,93 +0,0 @@
-package specgen
-
-//func createBlockIO() (*spec.LinuxBlockIO, error) {
-// var ret *spec.LinuxBlockIO
-// bio := &spec.LinuxBlockIO{}
-// if c.Resources.BlkioWeight > 0 {
-// ret = bio
-// bio.Weight = &c.Resources.BlkioWeight
-// }
-// if len(c.Resources.BlkioWeightDevice) > 0 {
-// var lwds []spec.LinuxWeightDevice
-// ret = bio
-// for _, i := range c.Resources.BlkioWeightDevice {
-// wd, err := ValidateweightDevice(i)
-// if err != nil {
-// return ret, errors.Wrapf(err, "invalid values for blkio-weight-device")
-// }
-// wdStat, err := GetStatFromPath(wd.Path)
-// if err != nil {
-// return ret, errors.Wrapf(err, "error getting stat from path %q", wd.Path)
-// }
-// lwd := spec.LinuxWeightDevice{
-// Weight: &wd.Weight,
-// }
-// lwd.Major = int64(unix.Major(wdStat.Rdev))
-// lwd.Minor = int64(unix.Minor(wdStat.Rdev))
-// lwds = append(lwds, lwd)
-// }
-// bio.WeightDevice = lwds
-// }
-// if len(c.Resources.DeviceReadBps) > 0 {
-// ret = bio
-// readBps, err := makeThrottleArray(c.Resources.DeviceReadBps, bps)
-// if err != nil {
-// return ret, err
-// }
-// bio.ThrottleReadBpsDevice = readBps
-// }
-// if len(c.Resources.DeviceWriteBps) > 0 {
-// ret = bio
-// writeBpds, err := makeThrottleArray(c.Resources.DeviceWriteBps, bps)
-// if err != nil {
-// return ret, err
-// }
-// bio.ThrottleWriteBpsDevice = writeBpds
-// }
-// if len(c.Resources.DeviceReadIOps) > 0 {
-// ret = bio
-// readIOps, err := makeThrottleArray(c.Resources.DeviceReadIOps, iops)
-// if err != nil {
-// return ret, err
-// }
-// bio.ThrottleReadIOPSDevice = readIOps
-// }
-// if len(c.Resources.DeviceWriteIOps) > 0 {
-// ret = bio
-// writeIOps, err := makeThrottleArray(c.Resources.DeviceWriteIOps, iops)
-// if err != nil {
-// return ret, err
-// }
-// bio.ThrottleWriteIOPSDevice = writeIOps
-// }
-// return ret, nil
-//}
-
-//func makeThrottleArray(throttleInput []string, rateType int) ([]spec.LinuxThrottleDevice, error) {
-// var (
-// ltds []spec.LinuxThrottleDevice
-// t *throttleDevice
-// err error
-// )
-// for _, i := range throttleInput {
-// if rateType == bps {
-// t, err = validateBpsDevice(i)
-// } else {
-// t, err = validateIOpsDevice(i)
-// }
-// if err != nil {
-// return []spec.LinuxThrottleDevice{}, err
-// }
-// ltdStat, err := GetStatFromPath(t.path)
-// if err != nil {
-// return ltds, errors.Wrapf(err, "error getting stat from path %q", t.path)
-// }
-// ltd := spec.LinuxThrottleDevice{
-// Rate: t.rate,
-// }
-// ltd.Major = int64(unix.Major(ltdStat.Rdev))
-// ltd.Minor = int64(unix.Minor(ltdStat.Rdev))
-// ltds = append(ltds, ltd)
-// }
-// return ltds, nil
-//}
diff --git a/pkg/specgen/container_validate.go b/pkg/specgen/container_validate.go
index 75da38c0e..45179343b 100644
--- a/pkg/specgen/container_validate.go
+++ b/pkg/specgen/container_validate.go
@@ -10,7 +10,7 @@ import (
var (
// ErrInvalidSpecConfig describes an error that the given SpecGenerator is invalid
- ErrInvalidSpecConfig error = errors.New("invalid configuration")
+ ErrInvalidSpecConfig = errors.New("invalid configuration")
// SystemDValues describes the only values that SystemD can be
SystemDValues = []string{"true", "false", "always"}
// ImageVolumeModeValues describes the only values that ImageVolumeMode can be
@@ -38,7 +38,7 @@ func (s *SpecGenerator) Validate() error {
}
// systemd values must be true, false, or always
if len(s.ContainerBasicConfig.Systemd) > 0 && !util.StringInSlice(strings.ToLower(s.ContainerBasicConfig.Systemd), SystemDValues) {
- return errors.Wrapf(ErrInvalidSpecConfig, "SystemD values must be one of %s", strings.Join(SystemDValues, ","))
+ return errors.Wrapf(ErrInvalidSpecConfig, "--systemd values must be one of %q", strings.Join(SystemDValues, ", "))
}
//
diff --git a/pkg/specgen/generate/container.go b/pkg/specgen/generate/container.go
index a217125f4..3d70571d5 100644
--- a/pkg/specgen/generate/container.go
+++ b/pkg/specgen/generate/container.go
@@ -194,7 +194,7 @@ func finishThrottleDevices(s *specgen.SpecGenerator) error {
s.ResourceLimits.BlockIO.ThrottleReadIOPSDevice = append(s.ResourceLimits.BlockIO.ThrottleReadIOPSDevice, v)
}
}
- if iops := s.ThrottleWriteBpsDevice; len(iops) > 0 {
+ if iops := s.ThrottleWriteIOPSDevice; len(iops) > 0 {
for k, v := range iops {
statT := unix.Stat_t{}
if err := unix.Stat(k, &statT); err != nil {
diff --git a/pkg/specgen/generate/container_create.go b/pkg/specgen/generate/container_create.go
index 7ddfed339..33075b543 100644
--- a/pkg/specgen/generate/container_create.go
+++ b/pkg/specgen/generate/container_create.go
@@ -3,12 +3,14 @@ package generate
import (
"context"
"os"
+ "path/filepath"
"github.com/containers/common/pkg/config"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/define"
"github.com/containers/libpod/libpod/image"
"github.com/containers/libpod/pkg/specgen"
+ "github.com/containers/libpod/pkg/util"
"github.com/containers/storage"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
@@ -114,7 +116,7 @@ func MakeContainer(ctx context.Context, rt *libpod.Runtime, s *specgen.SpecGener
}
options = append(options, libpod.WithExitCommand(exitCommandArgs))
- runtimeSpec, err := SpecGenToOCI(ctx, s, rt, rtc, newImage, finalMounts)
+ runtimeSpec, err := SpecGenToOCI(ctx, s, rt, rtc, newImage, finalMounts, pod)
if err != nil {
return nil, err
}
@@ -128,7 +130,41 @@ func createContainerOptions(ctx context.Context, rt *libpod.Runtime, s *specgen.
if s.Stdin {
options = append(options, libpod.WithStdin())
}
- if len(s.Systemd) > 0 {
+
+ useSystemd := false
+ switch s.Systemd {
+ case "always":
+ useSystemd = true
+ case "false":
+ break
+ case "", "true":
+ command := s.Command
+ if len(command) == 0 {
+ command, err = img.Cmd(ctx)
+ if err != nil {
+ return nil, err
+ }
+ }
+
+ if len(command) > 0 {
+ if command[0] == "/usr/sbin/init" || command[0] == "/sbin/init" || (filepath.Base(command[0]) == "systemd") {
+ useSystemd = true
+ }
+ }
+ default:
+ return nil, errors.Wrapf(err, "invalid value %q systemd option requires 'true, false, always'", s.Systemd)
+ }
+ if useSystemd {
+ // is StopSignal was not set by the user then set it to systemd
+ // expected StopSigal
+ if s.StopSignal == nil {
+ stopSignal, err := util.ParseSignal("RTMIN+3")
+ if err != nil {
+ return nil, errors.Wrapf(err, "error parsing systemd signal")
+ }
+ s.StopSignal = &stopSignal
+ }
+
options = append(options, libpod.WithSystemd())
}
if len(s.Name) > 0 {
@@ -194,7 +230,7 @@ func createContainerOptions(ctx context.Context, rt *libpod.Runtime, s *specgen.
options = append(options, libpod.WithPrivileged(s.Privileged))
// Get namespace related options
- namespaceOptions, err := GenerateNamespaceOptions(ctx, s, rt, pod, img)
+ namespaceOptions, err := namespaceOptions(ctx, s, rt, pod, img)
if err != nil {
return nil, err
}
diff --git a/pkg/specgen/generate/namespaces.go b/pkg/specgen/generate/namespaces.go
index 138d9e0cd..e67afe1bf 100644
--- a/pkg/specgen/generate/namespaces.go
+++ b/pkg/specgen/generate/namespaces.go
@@ -72,13 +72,13 @@ func GetDefaultNamespaceMode(nsType string, cfg *config.Config, pod *libpod.Pod)
return toReturn, errors.Wrapf(define.ErrInvalidArg, "invalid namespace type %q passed", nsType)
}
-// GenerateNamespaceOptions generates container creation options for all
+// namespaceOptions generates container creation options for all
// namespaces in a SpecGenerator.
// Pod is the pod the container will join. May be nil is the container is not
// joining a pod.
// TODO: Consider grouping options that are not directly attached to a namespace
// elsewhere.
-func GenerateNamespaceOptions(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.Runtime, pod *libpod.Pod, img *image.Image) ([]libpod.CtrCreateOption, error) {
+func namespaceOptions(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.Runtime, pod *libpod.Pod, img *image.Image) ([]libpod.CtrCreateOption, error) {
toReturn := []libpod.CtrCreateOption{}
// If pod is not nil, get infra container.
@@ -265,7 +265,7 @@ func GenerateNamespaceOptions(ctx context.Context, s *specgen.SpecGenerator, rt
return toReturn, nil
}
-func specConfigureNamespaces(s *specgen.SpecGenerator, g *generate.Generator, rt *libpod.Runtime) error {
+func specConfigureNamespaces(s *specgen.SpecGenerator, g *generate.Generator, rt *libpod.Runtime, pod *libpod.Pod) error {
// PID
switch s.PidNS.NSMode {
case specgen.Path:
@@ -326,6 +326,8 @@ func specConfigureNamespaces(s *specgen.SpecGenerator, g *generate.Generator, rt
hostname := s.Hostname
if hostname == "" {
switch {
+ case s.UtsNS.NSMode == specgen.FromPod:
+ hostname = pod.Hostname()
case s.UtsNS.NSMode == specgen.FromContainer:
utsCtr, err := rt.LookupContainer(s.UtsNS.Value)
if err != nil {
diff --git a/pkg/specgen/generate/oci.go b/pkg/specgen/generate/oci.go
index 11b18e2d0..266abd28d 100644
--- a/pkg/specgen/generate/oci.go
+++ b/pkg/specgen/generate/oci.go
@@ -118,7 +118,7 @@ func makeCommand(ctx context.Context, s *specgen.SpecGenerator, img *image.Image
return finalCommand, nil
}
-func SpecGenToOCI(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.Runtime, rtc *config.Config, newImage *image.Image, mounts []spec.Mount) (*spec.Spec, error) {
+func SpecGenToOCI(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.Runtime, rtc *config.Config, newImage *image.Image, mounts []spec.Mount, pod *libpod.Pod) (*spec.Spec, error) {
var (
inUserNS bool
)
@@ -300,7 +300,7 @@ func SpecGenToOCI(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.Runt
}
// NAMESPACES
- if err := specConfigureNamespaces(s, &g, rt); err != nil {
+ if err := specConfigureNamespaces(s, &g, rt, pod); err != nil {
return nil, err
}
configSpec := g.Config
diff --git a/pkg/specgen/pod_validate.go b/pkg/specgen/pod_validate.go
index 640447e71..2d57cdb91 100644
--- a/pkg/specgen/pod_validate.go
+++ b/pkg/specgen/pod_validate.go
@@ -7,7 +7,7 @@ import (
var (
// ErrInvalidPodSpecConfig describes an error given when the podspecgenerator is invalid
- ErrInvalidPodSpecConfig error = errors.New("invalid pod spec")
+ ErrInvalidPodSpecConfig = errors.New("invalid pod spec")
// containerConfig has the default configurations defined in containers.conf
containerConfig = util.DefaultContainerConfig()
)