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-rw-r--r--pkg/adapter/pods.go2
-rw-r--r--pkg/apparmor/apparmor_linux.go13
-rw-r--r--pkg/apparmor/apparmor_linux_test.go17
-rw-r--r--pkg/apparmor/apparmor_unsupported.go5
-rw-r--r--pkg/cgroups/cgroups.go8
-rw-r--r--pkg/spec/spec.go106
-rw-r--r--pkg/spec/spec_linux.go42
-rw-r--r--pkg/spec/spec_unsupported.go7
-rw-r--r--pkg/spec/storage.go7
-rw-r--r--pkg/util/utils_linux.go43
-rw-r--r--pkg/util/utils_unsupported.go12
-rw-r--r--pkg/varlinkapi/containers.go24
-rw-r--r--pkg/varlinkapi/transfers.go5
13 files changed, 186 insertions, 105 deletions
diff --git a/pkg/adapter/pods.go b/pkg/adapter/pods.go
index b45b02d09..2ca4f228f 100644
--- a/pkg/adapter/pods.go
+++ b/pkg/adapter/pods.go
@@ -676,7 +676,7 @@ func kubeContainerToCreateConfig(ctx context.Context, containerYAML v1.Container
if imageData != nil && imageData.Config != nil {
containerConfig.Command = append(containerConfig.Command, imageData.Config.Entrypoint...)
}
- if len(containerConfig.Command) != 0 {
+ if len(containerYAML.Command) != 0 {
containerConfig.Command = append(containerConfig.Command, containerYAML.Command...)
} else if imageData != nil && imageData.Config != nil {
containerConfig.Command = append(containerConfig.Command, imageData.Config.Cmd...)
diff --git a/pkg/apparmor/apparmor_linux.go b/pkg/apparmor/apparmor_linux.go
index 0d01f41e9..479600408 100644
--- a/pkg/apparmor/apparmor_linux.go
+++ b/pkg/apparmor/apparmor_linux.go
@@ -4,6 +4,7 @@ package apparmor
import (
"bufio"
+ "bytes"
"fmt"
"io"
"os"
@@ -104,6 +105,18 @@ func InstallDefault(name string) error {
return cmd.Wait()
}
+// DefaultContent returns the default profile content as byte slice. The
+// profile is named as the provided `name`. The function errors if the profile
+// generation fails.
+func DefaultContent(name string) ([]byte, error) {
+ p := profileData{Name: name}
+ var bytes bytes.Buffer
+ if err := p.generateDefault(&bytes); err != nil {
+ return nil, err
+ }
+ return bytes.Bytes(), nil
+}
+
// IsLoaded checks if a profile with the given name has been loaded into the
// kernel.
func IsLoaded(name string) (bool, error) {
diff --git a/pkg/apparmor/apparmor_linux_test.go b/pkg/apparmor/apparmor_linux_test.go
index ac3260723..e94293d87 100644
--- a/pkg/apparmor/apparmor_linux_test.go
+++ b/pkg/apparmor/apparmor_linux_test.go
@@ -78,10 +78,12 @@ Copyright 2009-2012 Canonical Ltd.
}
}
-func TestInstallDefault(t *testing.T) {
- profile := "libpod-default-testing"
- aapath := "/sys/kernel/security/apparmor/"
+const (
+ aapath = "/sys/kernel/security/apparmor/"
+ profile = "libpod-default-testing"
+)
+func TestInstallDefault(t *testing.T) {
if _, err := os.Stat(aapath); err != nil {
t.Skip("AppArmor isn't available in this environment")
}
@@ -127,3 +129,12 @@ func TestInstallDefault(t *testing.T) {
}
checkLoaded(false)
}
+
+func TestDefaultContent(t *testing.T) {
+ if _, err := os.Stat(aapath); err != nil {
+ t.Skip("AppArmor isn't available in this environment")
+ }
+ if err := DefaultContent(profile); err != nil {
+ t.Fatalf("Couldn't retrieve default AppArmor profile content '%s': %v", profile, err)
+ }
+}
diff --git a/pkg/apparmor/apparmor_unsupported.go b/pkg/apparmor/apparmor_unsupported.go
index b2b4de5f5..13469f1b6 100644
--- a/pkg/apparmor/apparmor_unsupported.go
+++ b/pkg/apparmor/apparmor_unsupported.go
@@ -24,3 +24,8 @@ func CheckProfileAndLoadDefault(name string) (string, error) {
}
return "", ErrApparmorUnsupported
}
+
+// DefaultContent dummy.
+func DefaultContent(name string) ([]byte, error) {
+ return nil, nil
+}
diff --git a/pkg/cgroups/cgroups.go b/pkg/cgroups/cgroups.go
index 081db772f..fda19bff8 100644
--- a/pkg/cgroups/cgroups.go
+++ b/pkg/cgroups/cgroups.go
@@ -187,8 +187,12 @@ func createCgroupv2Path(path string) (Err error) {
}()
}
}
- if err := ioutil.WriteFile(filepath.Join(current, "cgroup.subtree_control"), resByte, 0755); err != nil {
- return errors.Wrapf(err, "write %s", filepath.Join(current, "cgroup.subtree_control"))
+ // We enable the controllers for all the path components except the last one. It is not allowed to add
+ // PIDs if there are already enabled controllers.
+ if i < len(elements[3:])-1 {
+ if err := ioutil.WriteFile(filepath.Join(current, "cgroup.subtree_control"), resByte, 0755); err != nil {
+ return errors.Wrapf(err, "write %s", filepath.Join(current, "cgroup.subtree_control"))
+ }
}
}
return nil
diff --git a/pkg/spec/spec.go b/pkg/spec/spec.go
index d44beb3e4..41054633f 100644
--- a/pkg/spec/spec.go
+++ b/pkg/spec/spec.go
@@ -20,12 +20,6 @@ import (
const cpuPeriod = 100000
-type systemUlimit struct {
- name string
- max uint64
- cur uint64
-}
-
func getAvailableGids() (int64, error) {
idMap, err := user.ParseIDMapFile("/proc/self/gid_map")
if err != nil {
@@ -86,23 +80,41 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM
g.AddLinuxMaskedPaths("/sys/kernel")
}
}
+ gid5Available := true
if isRootless {
nGids, err := getAvailableGids()
if err != nil {
return nil, err
}
- if nGids < 5 {
- // If we have no GID mappings, the gid=5 default option would fail, so drop it.
- g.RemoveMount("/dev/pts")
- devPts := spec.Mount{
- Destination: "/dev/pts",
- Type: "devpts",
- Source: "devpts",
- Options: []string{"rprivate", "nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620"},
+ gid5Available = nGids >= 5
+ }
+ // When using a different user namespace, check that the GID 5 is mapped inside
+ // the container.
+ if gid5Available && len(config.IDMappings.GIDMap) > 0 {
+ mappingFound := false
+ for _, r := range config.IDMappings.GIDMap {
+ if r.ContainerID <= 5 && 5 < r.ContainerID+r.Size {
+ mappingFound = true
+ break
}
- g.AddMount(devPts)
}
+ if !mappingFound {
+ gid5Available = false
+ }
+
+ }
+ if !gid5Available {
+ // If we have no GID mappings, the gid=5 default option would fail, so drop it.
+ g.RemoveMount("/dev/pts")
+ devPts := spec.Mount{
+ Destination: "/dev/pts",
+ Type: "devpts",
+ Source: "devpts",
+ Options: []string{"rprivate", "nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620"},
+ }
+ g.AddMount(devPts)
}
+
if inUserNS && config.IpcMode.IsHost() {
g.RemoveMount("/dev/mqueue")
devMqueue := spec.Mount{
@@ -406,6 +418,62 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM
}
}
+ // Add annotations
+ if configSpec.Annotations == nil {
+ configSpec.Annotations = make(map[string]string)
+ }
+
+ if config.CidFile != "" {
+ configSpec.Annotations[libpod.InspectAnnotationCIDFile] = config.CidFile
+ }
+
+ if config.Rm {
+ configSpec.Annotations[libpod.InspectAnnotationAutoremove] = libpod.InspectResponseTrue
+ } else {
+ configSpec.Annotations[libpod.InspectAnnotationAutoremove] = libpod.InspectResponseFalse
+ }
+
+ if len(config.VolumesFrom) > 0 {
+ configSpec.Annotations[libpod.InspectAnnotationVolumesFrom] = strings.Join(config.VolumesFrom, ",")
+ }
+
+ if config.Privileged {
+ configSpec.Annotations[libpod.InspectAnnotationPrivileged] = libpod.InspectResponseTrue
+ } else {
+ configSpec.Annotations[libpod.InspectAnnotationPrivileged] = libpod.InspectResponseFalse
+ }
+
+ if config.PublishAll {
+ configSpec.Annotations[libpod.InspectAnnotationPublishAll] = libpod.InspectResponseTrue
+ } else {
+ configSpec.Annotations[libpod.InspectAnnotationPublishAll] = libpod.InspectResponseFalse
+ }
+
+ if config.Init {
+ configSpec.Annotations[libpod.InspectAnnotationInit] = libpod.InspectResponseTrue
+ } else {
+ configSpec.Annotations[libpod.InspectAnnotationInit] = libpod.InspectResponseFalse
+ }
+
+ for _, opt := range config.SecurityOpts {
+ // Split on both : and =
+ splitOpt := strings.Split(opt, "=")
+ if len(splitOpt) == 1 {
+ splitOpt = strings.Split(opt, ":")
+ }
+ if len(splitOpt) < 2 {
+ continue
+ }
+ switch splitOpt[0] {
+ case "label":
+ configSpec.Annotations[libpod.InspectAnnotationLabel] = splitOpt[1]
+ case "seccomp":
+ configSpec.Annotations[libpod.InspectAnnotationSeccomp] = splitOpt[1]
+ case "apparmor":
+ configSpec.Annotations[libpod.InspectAnnotationApparmor] = splitOpt[1]
+ }
+ }
+
return configSpec, nil
}
@@ -567,13 +635,7 @@ func addRlimits(config *CreateConfig, g *generate.Generator) error {
if len(config.Resources.Ulimit) != 1 {
return errors.New("ulimit can use host only once")
}
- hostLimits, err := getHostRlimits()
- if err != nil {
- return err
- }
- for _, i := range hostLimits {
- g.AddProcessRlimits(i.name, i.max, i.cur)
- }
+ g.Config.Process.Rlimits = nil
break
}
diff --git a/pkg/spec/spec_linux.go b/pkg/spec/spec_linux.go
deleted file mode 100644
index fcdfc5c4e..000000000
--- a/pkg/spec/spec_linux.go
+++ /dev/null
@@ -1,42 +0,0 @@
-//+build linux
-
-package createconfig
-
-import (
- "syscall"
-
- "github.com/pkg/errors"
-)
-
-type systemRlimit struct {
- name string
- value int
-}
-
-var systemLimits = []systemRlimit{
- {"RLIMIT_AS", syscall.RLIMIT_AS},
- {"RLIMIT_CORE", syscall.RLIMIT_CORE},
- {"RLIMIT_CPU", syscall.RLIMIT_CPU},
- {"RLIMIT_DATA", syscall.RLIMIT_DATA},
- {"RLIMIT_FSIZE", syscall.RLIMIT_FSIZE},
- {"RLIMIT_NOFILE", syscall.RLIMIT_NOFILE},
- {"RLIMIT_STACK", syscall.RLIMIT_STACK},
-}
-
-func getHostRlimits() ([]systemUlimit, error) {
- ret := []systemUlimit{}
- for _, i := range systemLimits {
- var l syscall.Rlimit
- if err := syscall.Getrlimit(i.value, &l); err != nil {
- return nil, errors.Wrapf(err, "cannot read limits for %s", i.name)
- }
- s := systemUlimit{
- name: i.name,
- max: l.Max,
- cur: l.Cur,
- }
- ret = append(ret, s)
- }
- return ret, nil
-
-}
diff --git a/pkg/spec/spec_unsupported.go b/pkg/spec/spec_unsupported.go
deleted file mode 100644
index 0f6a9acdc..000000000
--- a/pkg/spec/spec_unsupported.go
+++ /dev/null
@@ -1,7 +0,0 @@
-//+build !linux
-
-package createconfig
-
-func getHostRlimits() ([]systemUlimit, error) {
- return nil, nil
-}
diff --git a/pkg/spec/storage.go b/pkg/spec/storage.go
index ed767f5ba..88f1f6dc1 100644
--- a/pkg/spec/storage.go
+++ b/pkg/spec/storage.go
@@ -211,6 +211,13 @@ func (config *CreateConfig) parseVolumes(runtime *libpod.Runtime) ([]spec.Mount,
}
mount.Options = opts
}
+ if mount.Type == TypeBind {
+ absSrc, err := filepath.Abs(mount.Source)
+ if err != nil {
+ return nil, nil, errors.Wrapf(err, "error getting absolute path of %s", mount.Source)
+ }
+ mount.Source = absSrc
+ }
finalMounts = append(finalMounts, mount)
}
finalVolumes := make([]*libpod.ContainerNamedVolume, 0, len(baseVolumes))
diff --git a/pkg/util/utils_linux.go b/pkg/util/utils_linux.go
index 47fa1031f..318bd2b1b 100644
--- a/pkg/util/utils_linux.go
+++ b/pkg/util/utils_linux.go
@@ -1,7 +1,14 @@
package util
import (
+ "fmt"
+ "os"
+ "path/filepath"
+ "syscall"
+
"github.com/containers/psgo"
+ "github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
)
// GetContainerPidInformationDescriptors returns a string slice of all supported
@@ -9,3 +16,39 @@ import (
func GetContainerPidInformationDescriptors() ([]string, error) {
return psgo.ListDescriptors(), nil
}
+
+// FindDeviceNodes parses /dev/ into a set of major:minor -> path, where
+// [major:minor] is the device's major and minor numbers formatted as, for
+// example, 2:0 and path is the path to the device node.
+// Symlinks to nodes are ignored.
+func FindDeviceNodes() (map[string]string, error) {
+ nodes := make(map[string]string)
+ err := filepath.Walk("/dev", func(path string, info os.FileInfo, err error) error {
+ if err != nil {
+ logrus.Warnf("Error descending into path %s: %v", path, err)
+ return filepath.SkipDir
+ }
+
+ // If we aren't a device node, do nothing.
+ if info.Mode()&(os.ModeDevice|os.ModeCharDevice) == 0 {
+ return nil
+ }
+
+ // We are a device node. Get major/minor.
+ sysstat, ok := info.Sys().(*syscall.Stat_t)
+ if !ok {
+ return errors.Errorf("Could not convert stat output for use")
+ }
+ major := uint64(sysstat.Rdev / 256)
+ minor := uint64(sysstat.Rdev % 256)
+
+ nodes[fmt.Sprintf("%d:%d", major, minor)] = path
+
+ return nil
+ })
+ if err != nil {
+ return nil, err
+ }
+
+ return nodes, nil
+}
diff --git a/pkg/util/utils_unsupported.go b/pkg/util/utils_unsupported.go
new file mode 100644
index 000000000..62805d7c8
--- /dev/null
+++ b/pkg/util/utils_unsupported.go
@@ -0,0 +1,12 @@
+// +build darwin windows
+
+package util
+
+import (
+ "github.com/pkg/errors"
+)
+
+// FindDeviceNodes is not implemented anywhere except Linux.
+func FindDeviceNodes() (map[string]string, error) {
+ return nil, errors.Errorf("not supported on non-Linux OSes")
+}
diff --git a/pkg/varlinkapi/containers.go b/pkg/varlinkapi/containers.go
index 6855a7231..700e02b0c 100644
--- a/pkg/varlinkapi/containers.go
+++ b/pkg/varlinkapi/containers.go
@@ -19,7 +19,6 @@ import (
"github.com/containers/libpod/libpod/define"
"github.com/containers/libpod/libpod/logs"
"github.com/containers/libpod/pkg/adapter/shortcuts"
- cc "github.com/containers/libpod/pkg/spec"
"github.com/containers/storage/pkg/archive"
"github.com/pkg/errors"
)
@@ -170,16 +169,7 @@ func (i *LibpodAPI) InspectContainer(call iopodman.VarlinkCall, name string) err
if err != nil {
return call.ReplyContainerNotFound(name, err.Error())
}
- inspectInfo, err := ctr.Inspect(true)
- if err != nil {
- return call.ReplyErrorOccurred(err.Error())
- }
- artifact, err := getArtifact(ctr)
- if err != nil {
- return call.ReplyErrorOccurred(err.Error())
- }
-
- data, err := shared.GetCtrInspectInfo(ctr.Config(), inspectInfo, artifact)
+ data, err := ctr.Inspect(true)
if err != nil {
return call.ReplyErrorOccurred(err.Error())
}
@@ -587,18 +577,6 @@ func (i *LibpodAPI) ContainerRestore(call iopodman.VarlinkCall, name string, kee
return call.ReplyContainerRestore(ctr.ID())
}
-func getArtifact(ctr *libpod.Container) (*cc.CreateConfig, error) {
- var createArtifact cc.CreateConfig
- artifact, err := ctr.GetArtifact("create-config")
- if err != nil {
- return nil, err
- }
- if err := json.Unmarshal(artifact, &createArtifact); err != nil {
- return nil, err
- }
- return &createArtifact, nil
-}
-
// ContainerConfig returns just the container.config struct
func (i *LibpodAPI) ContainerConfig(call iopodman.VarlinkCall, name string) error {
ctr, err := i.Runtime.LookupContainer(name)
diff --git a/pkg/varlinkapi/transfers.go b/pkg/varlinkapi/transfers.go
index 24a91a86f..31d26c3aa 100644
--- a/pkg/varlinkapi/transfers.go
+++ b/pkg/varlinkapi/transfers.go
@@ -26,11 +26,6 @@ func (i *LibpodAPI) SendFile(call iopodman.VarlinkCall, ftype string, length int
defer outputFile.Close()
if err = call.ReplySendFile(outputFile.Name()); err != nil {
- return call.ReplyErrorOccurred(err.Error())
- }
-
- // FIXME return parameter
- if err = call.ReplySendFile("FIXME_file_handle"); err != nil {
// If an error occurs while sending the reply, return the error
return err
}