Merge pull request #207 from runcom/refactor-actions

split files under server/
This commit is contained in:
Mrunal Patel 2016-11-22 14:53:06 -08:00 committed by GitHub
commit 2e3ad167bb
23 changed files with 1341 additions and 1179 deletions

View file

@ -1,39 +1,11 @@
package server
import (
"encoding/json"
"errors"
"fmt"
"os"
"path/filepath"
"syscall"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/pkg/stringid"
"github.com/kubernetes-incubator/cri-o/oci"
"github.com/kubernetes-incubator/cri-o/utils"
"github.com/opencontainers/runc/libcontainer/label"
"github.com/opencontainers/runtime-tools/generate"
"golang.org/x/net/context"
"k8s.io/kubernetes/pkg/fields"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
func (s *Server) generateContainerIDandName(podName string, name string, attempt uint32) (string, string, error) {
var (
err error
id = stringid.GenerateNonCryptoID()
)
nameStr := fmt.Sprintf("%s-%s-%v", podName, name, attempt)
if name == "infra" {
nameStr = fmt.Sprintf("%s-%s", podName, name)
}
if name, err = s.reserveContainerName(id, nameStr); err != nil {
return "", "", err
}
return id, name, err
}
type containerRequest interface {
GetContainerId() string
}
@ -55,605 +27,3 @@ func (s *Server) getContainerFromRequest(req containerRequest) (*oci.Container,
}
return c, nil
}
// CreateContainer creates a new container in specified PodSandbox
func (s *Server) CreateContainer(ctx context.Context, req *pb.CreateContainerRequest) (res *pb.CreateContainerResponse, err error) {
logrus.Debugf("CreateContainerRequest %+v", req)
sbID := req.GetPodSandboxId()
if sbID == "" {
return nil, fmt.Errorf("PodSandboxId should not be empty")
}
sandboxID, err := s.podIDIndex.Get(sbID)
if err != nil {
return nil, fmt.Errorf("PodSandbox with ID starting with %s not found: %v", sbID, err)
}
sb := s.getSandbox(sandboxID)
if sb == nil {
return nil, fmt.Errorf("specified sandbox not found: %s", sandboxID)
}
// The config of the container
containerConfig := req.GetConfig()
if containerConfig == nil {
return nil, fmt.Errorf("CreateContainerRequest.ContainerConfig is nil")
}
name := containerConfig.GetMetadata().GetName()
if name == "" {
return nil, fmt.Errorf("CreateContainerRequest.ContainerConfig.Name is empty")
}
attempt := containerConfig.GetMetadata().GetAttempt()
containerID, containerName, err := s.generateContainerIDandName(sb.name, name, attempt)
if err != nil {
return nil, err
}
// containerDir is the dir for the container bundle.
containerDir := filepath.Join(s.runtime.ContainerDir(), containerID)
defer func() {
if err != nil {
s.releaseContainerName(containerName)
err1 := os.RemoveAll(containerDir)
if err1 != nil {
logrus.Warnf("Failed to cleanup container directory: %v")
}
}
}()
if _, err = os.Stat(containerDir); err == nil {
return nil, fmt.Errorf("container (%s) already exists", containerDir)
}
if err = os.MkdirAll(containerDir, 0755); err != nil {
return nil, err
}
container, err := s.createSandboxContainer(containerID, containerName, sb, req.GetSandboxConfig(), containerDir, containerConfig)
if err != nil {
return nil, err
}
if err = s.runtime.CreateContainer(container); err != nil {
return nil, err
}
if err = s.runtime.UpdateStatus(container); err != nil {
return nil, err
}
s.addContainer(container)
if err = s.ctrIDIndex.Add(containerID); err != nil {
s.removeContainer(container)
return nil, err
}
resp := &pb.CreateContainerResponse{
ContainerId: &containerID,
}
logrus.Debugf("CreateContainerResponse: %+v", resp)
return resp, nil
}
func (s *Server) createSandboxContainer(containerID string, containerName string, sb *sandbox, SandboxConfig *pb.PodSandboxConfig, containerDir string, containerConfig *pb.ContainerConfig) (*oci.Container, error) {
if sb == nil {
return nil, errors.New("createSandboxContainer needs a sandbox")
}
// creates a spec Generator with the default spec.
specgen := generate.New()
// by default, the root path is an empty string.
// here set it to be "rootfs".
specgen.SetRootPath("rootfs")
args := containerConfig.GetArgs()
if args == nil {
args = []string{"/bin/sh"}
}
specgen.SetProcessArgs(args)
cwd := containerConfig.GetWorkingDir()
if cwd == "" {
cwd = "/"
}
specgen.SetProcessCwd(cwd)
envs := containerConfig.GetEnvs()
if envs != nil {
for _, item := range envs {
key := item.GetKey()
value := item.GetValue()
if key == "" {
continue
}
env := fmt.Sprintf("%s=%s", key, value)
specgen.AddProcessEnv(env)
}
}
mounts := containerConfig.GetMounts()
for _, mount := range mounts {
dest := mount.GetContainerPath()
if dest == "" {
return nil, fmt.Errorf("Mount.ContainerPath is empty")
}
src := mount.GetHostPath()
if src == "" {
return nil, fmt.Errorf("Mount.HostPath is empty")
}
options := "rw"
if mount.GetReadonly() {
options = "ro"
}
if mount.GetSelinuxRelabel() {
// Need a way in kubernetes to determine if the volume is shared or private
if err := label.Relabel(src, sb.mountLabel, true); err != nil && err != syscall.ENOTSUP {
return nil, fmt.Errorf("relabel failed %s: %v", src, err)
}
}
specgen.AddBindMount(src, dest, options)
}
labels := containerConfig.GetLabels()
metadata := containerConfig.GetMetadata()
annotations := containerConfig.GetAnnotations()
if annotations != nil {
for k, v := range annotations {
specgen.AddAnnotation(k, v)
}
}
if containerConfig.GetLinux().GetSecurityContext().GetPrivileged() {
specgen.SetupPrivileged(true)
}
if containerConfig.GetLinux().GetSecurityContext().GetReadonlyRootfs() {
specgen.SetRootReadonly(true)
}
logPath := containerConfig.GetLogPath()
if containerConfig.GetTty() {
specgen.SetProcessTerminal(true)
}
linux := containerConfig.GetLinux()
if linux != nil {
resources := linux.GetResources()
if resources != nil {
cpuPeriod := resources.GetCpuPeriod()
if cpuPeriod != 0 {
specgen.SetLinuxResourcesCPUPeriod(uint64(cpuPeriod))
}
cpuQuota := resources.GetCpuQuota()
if cpuQuota != 0 {
specgen.SetLinuxResourcesCPUQuota(uint64(cpuQuota))
}
cpuShares := resources.GetCpuShares()
if cpuShares != 0 {
specgen.SetLinuxResourcesCPUShares(uint64(cpuShares))
}
memoryLimit := resources.GetMemoryLimitInBytes()
if memoryLimit != 0 {
specgen.SetLinuxResourcesMemoryLimit(uint64(memoryLimit))
}
oomScoreAdj := resources.GetOomScoreAdj()
specgen.SetLinuxResourcesOOMScoreAdj(int(oomScoreAdj))
}
capabilities := linux.GetSecurityContext().GetCapabilities()
if capabilities != nil {
addCaps := capabilities.GetAddCapabilities()
if addCaps != nil {
for _, cap := range addCaps {
if err := specgen.AddProcessCapability(cap); err != nil {
return nil, err
}
}
}
dropCaps := capabilities.GetDropCapabilities()
if dropCaps != nil {
for _, cap := range dropCaps {
if err := specgen.DropProcessCapability(cap); err != nil {
return nil, err
}
}
}
}
specgen.SetProcessSelinuxLabel(sb.processLabel)
specgen.SetLinuxMountLabel(sb.mountLabel)
user := linux.GetSecurityContext().GetRunAsUser()
specgen.SetProcessUID(uint32(user))
specgen.SetProcessGID(uint32(user))
groups := linux.GetSecurityContext().GetSupplementalGroups()
for _, group := range groups {
specgen.AddProcessAdditionalGid(uint32(group))
}
}
// Join the namespace paths for the pod sandbox container.
podInfraState := s.runtime.ContainerStatus(sb.infraContainer)
logrus.Debugf("pod container state %+v", podInfraState)
for nsType, nsFile := range map[string]string{
"ipc": "ipc",
"network": "net",
} {
nsPath := fmt.Sprintf("/proc/%d/ns/%s", podInfraState.Pid, nsFile)
if err := specgen.AddOrReplaceLinuxNamespace(nsType, nsPath); err != nil {
return nil, err
}
}
specgen.AddAnnotation("ocid/name", containerName)
specgen.AddAnnotation("ocid/sandbox_id", sb.id)
specgen.AddAnnotation("ocid/log_path", logPath)
specgen.AddAnnotation("ocid/tty", fmt.Sprintf("%v", containerConfig.GetTty()))
metadataJSON, err := json.Marshal(metadata)
if err != nil {
return nil, err
}
specgen.AddAnnotation("ocid/metadata", string(metadataJSON))
labelsJSON, err := json.Marshal(labels)
if err != nil {
return nil, err
}
specgen.AddAnnotation("ocid/labels", string(labelsJSON))
if err = specgen.SaveToFile(filepath.Join(containerDir, "config.json")); err != nil {
return nil, err
}
imageSpec := containerConfig.GetImage()
if imageSpec == nil {
return nil, fmt.Errorf("CreateContainerRequest.ContainerConfig.Image is nil")
}
image := imageSpec.GetImage()
if image == "" {
return nil, fmt.Errorf("CreateContainerRequest.ContainerConfig.Image.Image is empty")
}
// TODO: copy the rootfs into the bundle.
// Currently, utils.CreateFakeRootfs is used to populate the rootfs.
if err = utils.CreateFakeRootfs(containerDir, image); err != nil {
return nil, err
}
container, err := oci.NewContainer(containerID, containerName, containerDir, logPath, labels, metadata, sb.id, containerConfig.GetTty())
if err != nil {
return nil, err
}
return container, nil
}
// StartContainer starts the container.
func (s *Server) StartContainer(ctx context.Context, req *pb.StartContainerRequest) (*pb.StartContainerResponse, error) {
logrus.Debugf("StartContainerRequest %+v", req)
c, err := s.getContainerFromRequest(req)
if err != nil {
return nil, err
}
if err := s.runtime.StartContainer(c); err != nil {
return nil, fmt.Errorf("failed to start container %s: %v", c.ID(), err)
}
resp := &pb.StartContainerResponse{}
logrus.Debugf("StartContainerResponse %+v", resp)
return resp, nil
}
// StopContainer stops a running container with a grace period (i.e., timeout).
func (s *Server) StopContainer(ctx context.Context, req *pb.StopContainerRequest) (*pb.StopContainerResponse, error) {
logrus.Debugf("StopContainerRequest %+v", req)
c, err := s.getContainerFromRequest(req)
if err != nil {
return nil, err
}
if err := s.runtime.StopContainer(c); err != nil {
return nil, fmt.Errorf("failed to stop container %s: %v", c.ID(), err)
}
resp := &pb.StopContainerResponse{}
logrus.Debugf("StopContainerResponse: %+v", resp)
return resp, nil
}
// RemoveContainer removes the container. If the container is running, the container
// should be force removed.
func (s *Server) RemoveContainer(ctx context.Context, req *pb.RemoveContainerRequest) (*pb.RemoveContainerResponse, error) {
logrus.Debugf("RemoveContainerRequest %+v", req)
c, err := s.getContainerFromRequest(req)
if err != nil {
return nil, err
}
if err := s.runtime.UpdateStatus(c); err != nil {
return nil, fmt.Errorf("failed to update container state: %v", err)
}
cState := s.runtime.ContainerStatus(c)
if cState.Status == oci.ContainerStateCreated || cState.Status == oci.ContainerStateRunning {
if err := s.runtime.StopContainer(c); err != nil {
return nil, fmt.Errorf("failed to stop container %s: %v", c.ID(), err)
}
}
if err := s.runtime.DeleteContainer(c); err != nil {
return nil, fmt.Errorf("failed to delete container %s: %v", c.ID(), err)
}
containerDir := filepath.Join(s.runtime.ContainerDir(), c.ID())
if err := os.RemoveAll(containerDir); err != nil {
return nil, fmt.Errorf("failed to remove container %s directory: %v", c.ID(), err)
}
s.releaseContainerName(c.Name())
s.removeContainer(c)
if err := s.ctrIDIndex.Delete(c.ID()); err != nil {
return nil, err
}
resp := &pb.RemoveContainerResponse{}
logrus.Debugf("RemoveContainerResponse: %+v", resp)
return resp, nil
}
// filterContainer returns whether passed container matches filtering criteria
func filterContainer(c *pb.Container, filter *pb.ContainerFilter) bool {
if filter != nil {
if filter.State != nil {
if *c.State != *filter.State {
return false
}
}
if filter.LabelSelector != nil {
sel := fields.SelectorFromSet(filter.LabelSelector)
if !sel.Matches(fields.Set(c.Labels)) {
return false
}
}
}
return true
}
// ListContainers lists all containers by filters.
func (s *Server) ListContainers(ctx context.Context, req *pb.ListContainersRequest) (*pb.ListContainersResponse, error) {
logrus.Debugf("ListContainersRequest %+v", req)
var ctrs []*pb.Container
filter := req.Filter
ctrList := s.state.containers.List()
// Filter using container id and pod id first.
if filter != nil {
if filter.Id != nil {
c := s.state.containers.Get(*filter.Id)
if c != nil {
if filter.PodSandboxId != nil {
if c.Sandbox() == *filter.PodSandboxId {
ctrList = []*oci.Container{c}
} else {
ctrList = []*oci.Container{}
}
} else {
ctrList = []*oci.Container{c}
}
}
} else {
if filter.PodSandboxId != nil {
pod := s.state.sandboxes[*filter.PodSandboxId]
if pod == nil {
ctrList = []*oci.Container{}
} else {
ctrList = pod.containers.List()
}
}
}
}
for _, ctr := range ctrList {
if err := s.runtime.UpdateStatus(ctr); err != nil {
return nil, err
}
podSandboxID := ctr.Sandbox()
cState := s.runtime.ContainerStatus(ctr)
created := cState.Created.UnixNano()
rState := pb.ContainerState_CONTAINER_UNKNOWN
cID := ctr.ID()
c := &pb.Container{
Id: &cID,
PodSandboxId: &podSandboxID,
CreatedAt: int64Ptr(created),
Labels: ctr.Labels(),
Metadata: ctr.Metadata(),
}
switch cState.Status {
case oci.ContainerStateCreated:
rState = pb.ContainerState_CONTAINER_CREATED
case oci.ContainerStateRunning:
rState = pb.ContainerState_CONTAINER_RUNNING
case oci.ContainerStateStopped:
rState = pb.ContainerState_CONTAINER_EXITED
}
c.State = &rState
// Filter by other criteria such as state and labels.
if filterContainer(c, req.Filter) {
ctrs = append(ctrs, c)
}
}
resp := &pb.ListContainersResponse{
Containers: ctrs,
}
logrus.Debugf("ListContainersResponse: %+v", resp)
return resp, nil
}
// ContainerStatus returns status of the container.
func (s *Server) ContainerStatus(ctx context.Context, req *pb.ContainerStatusRequest) (*pb.ContainerStatusResponse, error) {
logrus.Debugf("ContainerStatusRequest %+v", req)
c, err := s.getContainerFromRequest(req)
if err != nil {
return nil, err
}
if err := s.runtime.UpdateStatus(c); err != nil {
return nil, err
}
containerID := c.ID()
resp := &pb.ContainerStatusResponse{
Status: &pb.ContainerStatus{
Id: &containerID,
Metadata: c.Metadata(),
},
}
cState := s.runtime.ContainerStatus(c)
rStatus := pb.ContainerState_CONTAINER_UNKNOWN
switch cState.Status {
case oci.ContainerStateCreated:
rStatus = pb.ContainerState_CONTAINER_CREATED
created := cState.Created.UnixNano()
resp.Status.CreatedAt = int64Ptr(created)
case oci.ContainerStateRunning:
rStatus = pb.ContainerState_CONTAINER_RUNNING
created := cState.Created.UnixNano()
resp.Status.CreatedAt = int64Ptr(created)
started := cState.Started.UnixNano()
resp.Status.StartedAt = int64Ptr(started)
case oci.ContainerStateStopped:
rStatus = pb.ContainerState_CONTAINER_EXITED
created := cState.Created.UnixNano()
resp.Status.CreatedAt = int64Ptr(created)
started := cState.Started.UnixNano()
resp.Status.StartedAt = int64Ptr(started)
finished := cState.Finished.UnixNano()
resp.Status.FinishedAt = int64Ptr(finished)
resp.Status.ExitCode = int32Ptr(cState.ExitCode)
}
resp.Status.State = &rStatus
logrus.Debugf("ContainerStatusResponse: %+v", resp)
return resp, nil
}
// UpdateRuntimeConfig updates the configuration of a running container.
func (s *Server) UpdateRuntimeConfig(ctx context.Context, req *pb.UpdateRuntimeConfigRequest) (*pb.UpdateRuntimeConfigResponse, error) {
return nil, nil
}
// ExecSync runs a command in a container synchronously.
func (s *Server) ExecSync(ctx context.Context, req *pb.ExecSyncRequest) (*pb.ExecSyncResponse, error) {
logrus.Debugf("ExecSyncRequest %+v", req)
c, err := s.getContainerFromRequest(req)
if err != nil {
return nil, err
}
if err := s.runtime.UpdateStatus(c); err != nil {
return nil, err
}
cState := s.runtime.ContainerStatus(c)
if !(cState.Status == oci.ContainerStateRunning || cState.Status == oci.ContainerStateCreated) {
return nil, fmt.Errorf("container is not created or running")
}
cmd := req.GetCmd()
if cmd == nil {
return nil, fmt.Errorf("exec command cannot be empty")
}
execResp, err := s.runtime.ExecSync(c, cmd, req.GetTimeout())
resp := &pb.ExecSyncResponse{
Stdout: execResp.Stdout,
Stderr: execResp.Stderr,
ExitCode: &execResp.ExitCode,
}
logrus.Debugf("ExecSyncResponse: %+v", resp)
return resp, err
}
// Exec prepares a streaming endpoint to execute a command in the container.
func (s *Server) Exec(ctx context.Context, req *pb.ExecRequest) (*pb.ExecResponse, error) {
return nil, nil
}
// Attach prepares a streaming endpoint to attach to a running container.
func (s *Server) Attach(ctx context.Context, req *pb.AttachRequest) (*pb.AttachResponse, error) {
return nil, nil
}
// PortForward prepares a streaming endpoint to forward ports from a PodSandbox.
func (s *Server) PortForward(ctx context.Context, req *pb.PortForwardRequest) (*pb.PortForwardResponse, error) {
return nil, nil
}
// Status returns the status of the runtime
func (s *Server) Status(ctx context.Context, req *pb.StatusRequest) (*pb.StatusResponse, error) {
// Deal with Runtime conditions
runtimeReady, err := s.runtime.RuntimeReady()
if err != nil {
return nil, err
}
networkReady, err := s.runtime.NetworkReady()
if err != nil {
return nil, err
}
// Use vendored strings
runtimeReadyConditionString := pb.RuntimeReady
networkReadyConditionString := pb.NetworkReady
resp := &pb.StatusResponse{
Status: &pb.RuntimeStatus{
Conditions: []*pb.RuntimeCondition{
&pb.RuntimeCondition{
Type: &runtimeReadyConditionString,
Status: &runtimeReady,
},
&pb.RuntimeCondition{
Type: &networkReadyConditionString,
Status: &networkReady,
},
},
},
}
return resp, nil
}

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@ -0,0 +1,11 @@
package server
import (
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// Attach prepares a streaming endpoint to attach to a running container.
func (s *Server) Attach(ctx context.Context, req *pb.AttachRequest) (*pb.AttachResponse, error) {
return nil, nil
}

327
server/container_create.go Normal file
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@ -0,0 +1,327 @@
package server
import (
"encoding/json"
"errors"
"fmt"
"os"
"path/filepath"
"syscall"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/pkg/stringid"
"github.com/kubernetes-incubator/cri-o/oci"
"github.com/kubernetes-incubator/cri-o/utils"
"github.com/opencontainers/runc/libcontainer/label"
"github.com/opencontainers/runtime-tools/generate"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// CreateContainer creates a new container in specified PodSandbox
func (s *Server) CreateContainer(ctx context.Context, req *pb.CreateContainerRequest) (res *pb.CreateContainerResponse, err error) {
logrus.Debugf("CreateContainerRequest %+v", req)
sbID := req.GetPodSandboxId()
if sbID == "" {
return nil, fmt.Errorf("PodSandboxId should not be empty")
}
sandboxID, err := s.podIDIndex.Get(sbID)
if err != nil {
return nil, fmt.Errorf("PodSandbox with ID starting with %s not found: %v", sbID, err)
}
sb := s.getSandbox(sandboxID)
if sb == nil {
return nil, fmt.Errorf("specified sandbox not found: %s", sandboxID)
}
// The config of the container
containerConfig := req.GetConfig()
if containerConfig == nil {
return nil, fmt.Errorf("CreateContainerRequest.ContainerConfig is nil")
}
name := containerConfig.GetMetadata().GetName()
if name == "" {
return nil, fmt.Errorf("CreateContainerRequest.ContainerConfig.Name is empty")
}
attempt := containerConfig.GetMetadata().GetAttempt()
containerID, containerName, err := s.generateContainerIDandName(sb.name, name, attempt)
if err != nil {
return nil, err
}
// containerDir is the dir for the container bundle.
containerDir := filepath.Join(s.runtime.ContainerDir(), containerID)
defer func() {
if err != nil {
s.releaseContainerName(containerName)
err1 := os.RemoveAll(containerDir)
if err1 != nil {
logrus.Warnf("Failed to cleanup container directory: %v")
}
}
}()
if _, err = os.Stat(containerDir); err == nil {
return nil, fmt.Errorf("container (%s) already exists", containerDir)
}
if err = os.MkdirAll(containerDir, 0755); err != nil {
return nil, err
}
container, err := s.createSandboxContainer(containerID, containerName, sb, req.GetSandboxConfig(), containerDir, containerConfig)
if err != nil {
return nil, err
}
if err = s.runtime.CreateContainer(container); err != nil {
return nil, err
}
if err = s.runtime.UpdateStatus(container); err != nil {
return nil, err
}
s.addContainer(container)
if err = s.ctrIDIndex.Add(containerID); err != nil {
s.removeContainer(container)
return nil, err
}
resp := &pb.CreateContainerResponse{
ContainerId: &containerID,
}
logrus.Debugf("CreateContainerResponse: %+v", resp)
return resp, nil
}
func (s *Server) createSandboxContainer(containerID string, containerName string, sb *sandbox, SandboxConfig *pb.PodSandboxConfig, containerDir string, containerConfig *pb.ContainerConfig) (*oci.Container, error) {
if sb == nil {
return nil, errors.New("createSandboxContainer needs a sandbox")
}
// creates a spec Generator with the default spec.
specgen := generate.New()
// by default, the root path is an empty string.
// here set it to be "rootfs".
specgen.SetRootPath("rootfs")
args := containerConfig.GetArgs()
if args == nil {
args = []string{"/bin/sh"}
}
specgen.SetProcessArgs(args)
cwd := containerConfig.GetWorkingDir()
if cwd == "" {
cwd = "/"
}
specgen.SetProcessCwd(cwd)
envs := containerConfig.GetEnvs()
if envs != nil {
for _, item := range envs {
key := item.GetKey()
value := item.GetValue()
if key == "" {
continue
}
env := fmt.Sprintf("%s=%s", key, value)
specgen.AddProcessEnv(env)
}
}
mounts := containerConfig.GetMounts()
for _, mount := range mounts {
dest := mount.GetContainerPath()
if dest == "" {
return nil, fmt.Errorf("Mount.ContainerPath is empty")
}
src := mount.GetHostPath()
if src == "" {
return nil, fmt.Errorf("Mount.HostPath is empty")
}
options := "rw"
if mount.GetReadonly() {
options = "ro"
}
if mount.GetSelinuxRelabel() {
// Need a way in kubernetes to determine if the volume is shared or private
if err := label.Relabel(src, sb.mountLabel, true); err != nil && err != syscall.ENOTSUP {
return nil, fmt.Errorf("relabel failed %s: %v", src, err)
}
}
specgen.AddBindMount(src, dest, options)
}
labels := containerConfig.GetLabels()
metadata := containerConfig.GetMetadata()
annotations := containerConfig.GetAnnotations()
if annotations != nil {
for k, v := range annotations {
specgen.AddAnnotation(k, v)
}
}
if containerConfig.GetLinux().GetSecurityContext().GetPrivileged() {
specgen.SetupPrivileged(true)
}
if containerConfig.GetLinux().GetSecurityContext().GetReadonlyRootfs() {
specgen.SetRootReadonly(true)
}
logPath := containerConfig.GetLogPath()
if containerConfig.GetTty() {
specgen.SetProcessTerminal(true)
}
linux := containerConfig.GetLinux()
if linux != nil {
resources := linux.GetResources()
if resources != nil {
cpuPeriod := resources.GetCpuPeriod()
if cpuPeriod != 0 {
specgen.SetLinuxResourcesCPUPeriod(uint64(cpuPeriod))
}
cpuQuota := resources.GetCpuQuota()
if cpuQuota != 0 {
specgen.SetLinuxResourcesCPUQuota(uint64(cpuQuota))
}
cpuShares := resources.GetCpuShares()
if cpuShares != 0 {
specgen.SetLinuxResourcesCPUShares(uint64(cpuShares))
}
memoryLimit := resources.GetMemoryLimitInBytes()
if memoryLimit != 0 {
specgen.SetLinuxResourcesMemoryLimit(uint64(memoryLimit))
}
oomScoreAdj := resources.GetOomScoreAdj()
specgen.SetLinuxResourcesOOMScoreAdj(int(oomScoreAdj))
}
capabilities := linux.GetSecurityContext().GetCapabilities()
if capabilities != nil {
addCaps := capabilities.GetAddCapabilities()
if addCaps != nil {
for _, cap := range addCaps {
if err := specgen.AddProcessCapability(cap); err != nil {
return nil, err
}
}
}
dropCaps := capabilities.GetDropCapabilities()
if dropCaps != nil {
for _, cap := range dropCaps {
if err := specgen.DropProcessCapability(cap); err != nil {
return nil, err
}
}
}
}
specgen.SetProcessSelinuxLabel(sb.processLabel)
specgen.SetLinuxMountLabel(sb.mountLabel)
user := linux.GetSecurityContext().GetRunAsUser()
specgen.SetProcessUID(uint32(user))
specgen.SetProcessGID(uint32(user))
groups := linux.GetSecurityContext().GetSupplementalGroups()
for _, group := range groups {
specgen.AddProcessAdditionalGid(uint32(group))
}
}
// Join the namespace paths for the pod sandbox container.
podInfraState := s.runtime.ContainerStatus(sb.infraContainer)
logrus.Debugf("pod container state %+v", podInfraState)
for nsType, nsFile := range map[string]string{
"ipc": "ipc",
"network": "net",
} {
nsPath := fmt.Sprintf("/proc/%d/ns/%s", podInfraState.Pid, nsFile)
if err := specgen.AddOrReplaceLinuxNamespace(nsType, nsPath); err != nil {
return nil, err
}
}
specgen.AddAnnotation("ocid/name", containerName)
specgen.AddAnnotation("ocid/sandbox_id", sb.id)
specgen.AddAnnotation("ocid/log_path", logPath)
specgen.AddAnnotation("ocid/tty", fmt.Sprintf("%v", containerConfig.GetTty()))
metadataJSON, err := json.Marshal(metadata)
if err != nil {
return nil, err
}
specgen.AddAnnotation("ocid/metadata", string(metadataJSON))
labelsJSON, err := json.Marshal(labels)
if err != nil {
return nil, err
}
specgen.AddAnnotation("ocid/labels", string(labelsJSON))
if err = specgen.SaveToFile(filepath.Join(containerDir, "config.json")); err != nil {
return nil, err
}
imageSpec := containerConfig.GetImage()
if imageSpec == nil {
return nil, fmt.Errorf("CreateContainerRequest.ContainerConfig.Image is nil")
}
image := imageSpec.GetImage()
if image == "" {
return nil, fmt.Errorf("CreateContainerRequest.ContainerConfig.Image.Image is empty")
}
// TODO: copy the rootfs into the bundle.
// Currently, utils.CreateFakeRootfs is used to populate the rootfs.
if err = utils.CreateFakeRootfs(containerDir, image); err != nil {
return nil, err
}
container, err := oci.NewContainer(containerID, containerName, containerDir, logPath, labels, metadata, sb.id, containerConfig.GetTty())
if err != nil {
return nil, err
}
return container, nil
}
func (s *Server) generateContainerIDandName(podName string, name string, attempt uint32) (string, string, error) {
var (
err error
id = stringid.GenerateNonCryptoID()
)
nameStr := fmt.Sprintf("%s-%s-%v", podName, name, attempt)
if name == "infra" {
nameStr = fmt.Sprintf("%s-%s", podName, name)
}
if name, err = s.reserveContainerName(id, nameStr); err != nil {
return "", "", err
}
return id, name, err
}

11
server/container_exec.go Normal file
View file

@ -0,0 +1,11 @@
package server
import (
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// Exec prepares a streaming endpoint to execute a command in the container.
func (s *Server) Exec(ctx context.Context, req *pb.ExecRequest) (*pb.ExecResponse, error) {
return nil, nil
}

View file

@ -0,0 +1,43 @@
package server
import (
"fmt"
"github.com/Sirupsen/logrus"
"github.com/kubernetes-incubator/cri-o/oci"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// ExecSync runs a command in a container synchronously.
func (s *Server) ExecSync(ctx context.Context, req *pb.ExecSyncRequest) (*pb.ExecSyncResponse, error) {
logrus.Debugf("ExecSyncRequest %+v", req)
c, err := s.getContainerFromRequest(req)
if err != nil {
return nil, err
}
if err := s.runtime.UpdateStatus(c); err != nil {
return nil, err
}
cState := s.runtime.ContainerStatus(c)
if !(cState.Status == oci.ContainerStateRunning || cState.Status == oci.ContainerStateCreated) {
return nil, fmt.Errorf("container is not created or running")
}
cmd := req.GetCmd()
if cmd == nil {
return nil, fmt.Errorf("exec command cannot be empty")
}
execResp, err := s.runtime.ExecSync(c, cmd, req.GetTimeout())
resp := &pb.ExecSyncResponse{
Stdout: execResp.Stdout,
Stderr: execResp.Stderr,
ExitCode: &execResp.ExitCode,
}
logrus.Debugf("ExecSyncResponse: %+v", resp)
return resp, err
}

104
server/container_list.go Normal file
View file

@ -0,0 +1,104 @@
package server
import (
"github.com/Sirupsen/logrus"
"github.com/kubernetes-incubator/cri-o/oci"
"golang.org/x/net/context"
"k8s.io/kubernetes/pkg/fields"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// filterContainer returns whether passed container matches filtering criteria
func filterContainer(c *pb.Container, filter *pb.ContainerFilter) bool {
if filter != nil {
if filter.State != nil {
if *c.State != *filter.State {
return false
}
}
if filter.LabelSelector != nil {
sel := fields.SelectorFromSet(filter.LabelSelector)
if !sel.Matches(fields.Set(c.Labels)) {
return false
}
}
}
return true
}
// ListContainers lists all containers by filters.
func (s *Server) ListContainers(ctx context.Context, req *pb.ListContainersRequest) (*pb.ListContainersResponse, error) {
logrus.Debugf("ListContainersRequest %+v", req)
var ctrs []*pb.Container
filter := req.Filter
ctrList := s.state.containers.List()
// Filter using container id and pod id first.
if filter != nil {
if filter.Id != nil {
c := s.state.containers.Get(*filter.Id)
if c != nil {
if filter.PodSandboxId != nil {
if c.Sandbox() == *filter.PodSandboxId {
ctrList = []*oci.Container{c}
} else {
ctrList = []*oci.Container{}
}
} else {
ctrList = []*oci.Container{c}
}
}
} else {
if filter.PodSandboxId != nil {
pod := s.state.sandboxes[*filter.PodSandboxId]
if pod == nil {
ctrList = []*oci.Container{}
} else {
ctrList = pod.containers.List()
}
}
}
}
for _, ctr := range ctrList {
if err := s.runtime.UpdateStatus(ctr); err != nil {
return nil, err
}
podSandboxID := ctr.Sandbox()
cState := s.runtime.ContainerStatus(ctr)
created := cState.Created.UnixNano()
rState := pb.ContainerState_CONTAINER_UNKNOWN
cID := ctr.ID()
c := &pb.Container{
Id: &cID,
PodSandboxId: &podSandboxID,
CreatedAt: int64Ptr(created),
Labels: ctr.Labels(),
Metadata: ctr.Metadata(),
}
switch cState.Status {
case oci.ContainerStateCreated:
rState = pb.ContainerState_CONTAINER_CREATED
case oci.ContainerStateRunning:
rState = pb.ContainerState_CONTAINER_RUNNING
case oci.ContainerStateStopped:
rState = pb.ContainerState_CONTAINER_EXITED
}
c.State = &rState
// Filter by other criteria such as state and labels.
if filterContainer(c, req.Filter) {
ctrs = append(ctrs, c)
}
}
resp := &pb.ListContainersResponse{
Containers: ctrs,
}
logrus.Debugf("ListContainersResponse: %+v", resp)
return resp, nil
}

View file

@ -0,0 +1,11 @@
package server
import (
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// PortForward prepares a streaming endpoint to forward ports from a PodSandbox.
func (s *Server) PortForward(ctx context.Context, req *pb.PortForwardRequest) (*pb.PortForwardResponse, error) {
return nil, nil
}

View file

@ -0,0 +1,53 @@
package server
import (
"fmt"
"os"
"path/filepath"
"github.com/Sirupsen/logrus"
"github.com/kubernetes-incubator/cri-o/oci"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// RemoveContainer removes the container. If the container is running, the container
// should be force removed.
func (s *Server) RemoveContainer(ctx context.Context, req *pb.RemoveContainerRequest) (*pb.RemoveContainerResponse, error) {
logrus.Debugf("RemoveContainerRequest %+v", req)
c, err := s.getContainerFromRequest(req)
if err != nil {
return nil, err
}
if err := s.runtime.UpdateStatus(c); err != nil {
return nil, fmt.Errorf("failed to update container state: %v", err)
}
cState := s.runtime.ContainerStatus(c)
if cState.Status == oci.ContainerStateCreated || cState.Status == oci.ContainerStateRunning {
if err := s.runtime.StopContainer(c); err != nil {
return nil, fmt.Errorf("failed to stop container %s: %v", c.ID(), err)
}
}
if err := s.runtime.DeleteContainer(c); err != nil {
return nil, fmt.Errorf("failed to delete container %s: %v", c.ID(), err)
}
containerDir := filepath.Join(s.runtime.ContainerDir(), c.ID())
if err := os.RemoveAll(containerDir); err != nil {
return nil, fmt.Errorf("failed to remove container %s directory: %v", c.ID(), err)
}
s.releaseContainerName(c.Name())
s.removeContainer(c)
if err := s.ctrIDIndex.Delete(c.ID()); err != nil {
return nil, err
}
resp := &pb.RemoveContainerResponse{}
logrus.Debugf("RemoveContainerResponse: %+v", resp)
return resp, nil
}

26
server/container_start.go Normal file
View file

@ -0,0 +1,26 @@
package server
import (
"fmt"
"github.com/Sirupsen/logrus"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// StartContainer starts the container.
func (s *Server) StartContainer(ctx context.Context, req *pb.StartContainerRequest) (*pb.StartContainerResponse, error) {
logrus.Debugf("StartContainerRequest %+v", req)
c, err := s.getContainerFromRequest(req)
if err != nil {
return nil, err
}
if err := s.runtime.StartContainer(c); err != nil {
return nil, fmt.Errorf("failed to start container %s: %v", c.ID(), err)
}
resp := &pb.StartContainerResponse{}
logrus.Debugf("StartContainerResponse %+v", resp)
return resp, nil
}

View file

@ -0,0 +1,59 @@
package server
import (
"github.com/Sirupsen/logrus"
"github.com/kubernetes-incubator/cri-o/oci"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// ContainerStatus returns status of the container.
func (s *Server) ContainerStatus(ctx context.Context, req *pb.ContainerStatusRequest) (*pb.ContainerStatusResponse, error) {
logrus.Debugf("ContainerStatusRequest %+v", req)
c, err := s.getContainerFromRequest(req)
if err != nil {
return nil, err
}
if err := s.runtime.UpdateStatus(c); err != nil {
return nil, err
}
containerID := c.ID()
resp := &pb.ContainerStatusResponse{
Status: &pb.ContainerStatus{
Id: &containerID,
Metadata: c.Metadata(),
},
}
cState := s.runtime.ContainerStatus(c)
rStatus := pb.ContainerState_CONTAINER_UNKNOWN
switch cState.Status {
case oci.ContainerStateCreated:
rStatus = pb.ContainerState_CONTAINER_CREATED
created := cState.Created.UnixNano()
resp.Status.CreatedAt = int64Ptr(created)
case oci.ContainerStateRunning:
rStatus = pb.ContainerState_CONTAINER_RUNNING
created := cState.Created.UnixNano()
resp.Status.CreatedAt = int64Ptr(created)
started := cState.Started.UnixNano()
resp.Status.StartedAt = int64Ptr(started)
case oci.ContainerStateStopped:
rStatus = pb.ContainerState_CONTAINER_EXITED
created := cState.Created.UnixNano()
resp.Status.CreatedAt = int64Ptr(created)
started := cState.Started.UnixNano()
resp.Status.StartedAt = int64Ptr(started)
finished := cState.Finished.UnixNano()
resp.Status.FinishedAt = int64Ptr(finished)
resp.Status.ExitCode = int32Ptr(cState.ExitCode)
}
resp.Status.State = &rStatus
logrus.Debugf("ContainerStatusResponse: %+v", resp)
return resp, nil
}

26
server/container_stop.go Normal file
View file

@ -0,0 +1,26 @@
package server
import (
"fmt"
"github.com/Sirupsen/logrus"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// StopContainer stops a running container with a grace period (i.e., timeout).
func (s *Server) StopContainer(ctx context.Context, req *pb.StopContainerRequest) (*pb.StopContainerResponse, error) {
logrus.Debugf("StopContainerRequest %+v", req)
c, err := s.getContainerFromRequest(req)
if err != nil {
return nil, err
}
if err := s.runtime.StopContainer(c); err != nil {
return nil, fmt.Errorf("failed to stop container %s: %v", c.ID(), err)
}
resp := &pb.StopContainerResponse{}
logrus.Debugf("StopContainerResponse: %+v", resp)
return resp, nil
}

View file

@ -0,0 +1,11 @@
package server
import (
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// UpdateRuntimeConfig updates the configuration of a running container.
func (s *Server) UpdateRuntimeConfig(ctx context.Context, req *pb.UpdateRuntimeConfigRequest) (*pb.UpdateRuntimeConfigResponse, error) {
return nil, nil
}

16
server/image_list.go Normal file
View file

@ -0,0 +1,16 @@
package server
import (
"github.com/Sirupsen/logrus"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// ListImages lists existing images.
func (s *Server) ListImages(ctx context.Context, req *pb.ListImagesRequest) (*pb.ListImagesResponse, error) {
logrus.Debugf("ListImages: %+v", req)
// TODO
// containers/storage will take care of this by looking inside /var/lib/ocid/images
// and listing images.
return &pb.ListImagesResponse{}, nil
}

View file

@ -14,24 +14,6 @@ import (
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// ListImages lists existing images.
func (s *Server) ListImages(ctx context.Context, req *pb.ListImagesRequest) (*pb.ListImagesResponse, error) {
logrus.Debugf("ListImages: %+v", req)
// TODO
// containers/storage will take care of this by looking inside /var/lib/ocid/images
// and listing images.
return &pb.ListImagesResponse{}, nil
}
// ImageStatus returns the status of the image.
func (s *Server) ImageStatus(ctx context.Context, req *pb.ImageStatusRequest) (*pb.ImageStatusResponse, error) {
logrus.Debugf("ImageStatus: %+v", req)
// TODO
// containers/storage will take care of this by looking inside /var/lib/ocid/images
// and getting the image status
return &pb.ImageStatusResponse{}, nil
}
// PullImage pulls a image with authentication config.
func (s *Server) PullImage(ctx context.Context, req *pb.PullImageRequest) (*pb.PullImageResponse, error) {
logrus.Debugf("PullImage: %+v", req)
@ -98,9 +80,3 @@ func (s *Server) PullImage(ctx context.Context, req *pb.PullImageRequest) (*pb.P
return &pb.PullImageResponse{}, nil
}
// RemoveImage removes the image.
func (s *Server) RemoveImage(ctx context.Context, req *pb.RemoveImageRequest) (*pb.RemoveImageResponse, error) {
logrus.Debugf("RemoveImage: %+v", req)
return &pb.RemoveImageResponse{}, nil
}

13
server/image_remove.go Normal file
View file

@ -0,0 +1,13 @@
package server
import (
"github.com/Sirupsen/logrus"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// RemoveImage removes the image.
func (s *Server) RemoveImage(ctx context.Context, req *pb.RemoveImageRequest) (*pb.RemoveImageResponse, error) {
logrus.Debugf("RemoveImage: %+v", req)
return &pb.RemoveImageResponse{}, nil
}

16
server/image_status.go Normal file
View file

@ -0,0 +1,16 @@
package server
import (
"github.com/Sirupsen/logrus"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// ImageStatus returns the status of the image.
func (s *Server) ImageStatus(ctx context.Context, req *pb.ImageStatusRequest) (*pb.ImageStatusResponse, error) {
logrus.Debugf("ImageStatus: %+v", req)
// TODO
// containers/storage will take care of this by looking inside /var/lib/ocid/images
// and getting the image status
return &pb.ImageStatusResponse{}, nil
}

41
server/runtime_status.go Normal file
View file

@ -0,0 +1,41 @@
package server
import (
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// Status returns the status of the runtime
func (s *Server) Status(ctx context.Context, req *pb.StatusRequest) (*pb.StatusResponse, error) {
// Deal with Runtime conditions
runtimeReady, err := s.runtime.RuntimeReady()
if err != nil {
return nil, err
}
networkReady, err := s.runtime.NetworkReady()
if err != nil {
return nil, err
}
// Use vendored strings
runtimeReadyConditionString := pb.RuntimeReady
networkReadyConditionString := pb.NetworkReady
resp := &pb.StatusResponse{
Status: &pb.RuntimeStatus{
Conditions: []*pb.RuntimeCondition{
&pb.RuntimeCondition{
Type: &runtimeReadyConditionString,
Status: &runtimeReady,
},
&pb.RuntimeCondition{
Type: &networkReadyConditionString,
Status: &networkReady,
},
},
},
}
return resp, nil
}

View file

@ -1,18 +1,10 @@
package server
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/pkg/stringid"
"github.com/kubernetes-incubator/cri-o/oci"
"github.com/kubernetes-incubator/cri-o/utils"
"github.com/opencontainers/runc/libcontainer/label"
"github.com/opencontainers/runtime-tools/generate"
"golang.org/x/net/context"
"k8s.io/kubernetes/pkg/fields"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
@ -82,520 +74,3 @@ func (s *Server) getPodSandboxFromRequest(req podSandboxRequest) (*sandbox, erro
}
return sb, nil
}
// RunPodSandbox creates and runs a pod-level sandbox.
func (s *Server) RunPodSandbox(ctx context.Context, req *pb.RunPodSandboxRequest) (*pb.RunPodSandboxResponse, error) {
logrus.Debugf("RunPodSandboxRequest %+v", req)
var processLabel, mountLabel string
// process req.Name
name := req.GetConfig().GetMetadata().GetName()
if name == "" {
return nil, fmt.Errorf("PodSandboxConfig.Name should not be empty")
}
namespace := req.GetConfig().GetMetadata().GetNamespace()
attempt := req.GetConfig().GetMetadata().GetAttempt()
var err error
id, name, err := s.generatePodIDandName(name, namespace, attempt)
if err != nil {
return nil, err
}
defer func() {
if err != nil {
s.releasePodName(name)
}
}()
if err = s.podIDIndex.Add(id); err != nil {
return nil, err
}
defer func() {
if err != nil {
if err = s.podIDIndex.Delete(id); err != nil {
logrus.Warnf("couldn't delete pod id %s from idIndex", id)
}
}
}()
podSandboxDir := filepath.Join(s.config.SandboxDir, id)
if _, err = os.Stat(podSandboxDir); err == nil {
return nil, fmt.Errorf("pod sandbox (%s) already exists", podSandboxDir)
}
defer func() {
if err != nil {
if err2 := os.RemoveAll(podSandboxDir); err2 != nil {
logrus.Warnf("couldn't cleanup podSandboxDir %s: %v", podSandboxDir, err2)
}
}
}()
if err = os.MkdirAll(podSandboxDir, 0755); err != nil {
return nil, err
}
// creates a spec Generator with the default spec.
g := generate.New()
// TODO: Make the `graph/vfs` part of this configurable once the storage
// integration has been merged.
podInfraRootfs := filepath.Join(s.config.Root, "graph/vfs/pause")
// setup defaults for the pod sandbox
g.SetRootPath(filepath.Join(podInfraRootfs, "rootfs"))
g.SetRootReadonly(true)
g.SetProcessArgs([]string{"/pause"})
// set hostname
hostname := req.GetConfig().GetHostname()
if hostname != "" {
g.SetHostname(hostname)
}
// set log directory
logDir := req.GetConfig().GetLogDirectory()
if logDir == "" {
logDir = filepath.Join(s.config.LogDir, id)
}
// set DNS options
dnsServers := req.GetConfig().GetDnsConfig().GetServers()
dnsSearches := req.GetConfig().GetDnsConfig().GetSearches()
dnsOptions := req.GetConfig().GetDnsConfig().GetOptions()
resolvPath := fmt.Sprintf("%s/resolv.conf", podSandboxDir)
err = parseDNSOptions(dnsServers, dnsSearches, dnsOptions, resolvPath)
if err != nil {
err1 := removeFile(resolvPath)
if err1 != nil {
err = err1
return nil, fmt.Errorf("%v; failed to remove %s: %v", err, resolvPath, err1)
}
return nil, err
}
g.AddBindMount(resolvPath, "/etc/resolv.conf", "ro")
// add metadata
metadata := req.GetConfig().GetMetadata()
metadataJSON, err := json.Marshal(metadata)
if err != nil {
return nil, err
}
// add labels
labels := req.GetConfig().GetLabels()
labelsJSON, err := json.Marshal(labels)
if err != nil {
return nil, err
}
// add annotations
annotations := req.GetConfig().GetAnnotations()
annotationsJSON, err := json.Marshal(annotations)
if err != nil {
return nil, err
}
// Don't use SELinux separation with Host Pid or IPC Namespace,
if !req.GetConfig().GetLinux().GetSecurityContext().GetNamespaceOptions().GetHostPid() && !req.GetConfig().GetLinux().GetSecurityContext().GetNamespaceOptions().GetHostIpc() {
processLabel, mountLabel, err = getSELinuxLabels(nil)
if err != nil {
return nil, err
}
g.SetProcessSelinuxLabel(processLabel)
}
containerID, containerName, err := s.generateContainerIDandName(name, "infra", 0)
if err != nil {
return nil, err
}
defer func() {
if err != nil {
s.releaseContainerName(containerName)
}
}()
if err = s.ctrIDIndex.Add(containerID); err != nil {
return nil, err
}
defer func() {
if err != nil {
if err = s.ctrIDIndex.Delete(containerID); err != nil {
logrus.Warnf("couldn't delete ctr id %s from idIndex", containerID)
}
}
}()
g.AddAnnotation("ocid/metadata", string(metadataJSON))
g.AddAnnotation("ocid/labels", string(labelsJSON))
g.AddAnnotation("ocid/annotations", string(annotationsJSON))
g.AddAnnotation("ocid/log_path", logDir)
g.AddAnnotation("ocid/name", name)
g.AddAnnotation("ocid/container_name", containerName)
g.AddAnnotation("ocid/container_id", containerID)
sb := &sandbox{
id: id,
name: name,
logDir: logDir,
labels: labels,
annotations: annotations,
containers: oci.NewMemoryStore(),
processLabel: processLabel,
mountLabel: mountLabel,
metadata: metadata,
}
s.addSandbox(sb)
for k, v := range annotations {
g.AddAnnotation(k, v)
}
// setup cgroup settings
cgroupParent := req.GetConfig().GetLinux().GetCgroupParent()
if cgroupParent != "" {
g.SetLinuxCgroupsPath(cgroupParent)
}
// set up namespaces
if req.GetConfig().GetLinux().GetSecurityContext().GetNamespaceOptions().GetHostNetwork() {
err = g.RemoveLinuxNamespace("network")
if err != nil {
return nil, err
}
}
if req.GetConfig().GetLinux().GetSecurityContext().GetNamespaceOptions().GetHostPid() {
err = g.RemoveLinuxNamespace("pid")
if err != nil {
return nil, err
}
}
if req.GetConfig().GetLinux().GetSecurityContext().GetNamespaceOptions().GetHostIpc() {
err = g.RemoveLinuxNamespace("ipc")
if err != nil {
return nil, err
}
}
err = g.SaveToFile(filepath.Join(podSandboxDir, "config.json"))
if err != nil {
return nil, err
}
if _, err = os.Stat(podInfraRootfs); err != nil {
if os.IsNotExist(err) {
// TODO: Replace by rootfs creation API when it is ready
if err = utils.CreateInfraRootfs(podInfraRootfs, s.config.Pause); err != nil {
return nil, err
}
} else {
return nil, err
}
}
container, err := oci.NewContainer(containerID, containerName, podSandboxDir, podSandboxDir, labels, nil, id, false)
if err != nil {
return nil, err
}
sb.infraContainer = container
if err = s.runtime.CreateContainer(container); err != nil {
return nil, err
}
if err = s.runtime.UpdateStatus(container); err != nil {
return nil, err
}
// setup the network
podNamespace := ""
netnsPath, err := container.NetNsPath()
if err != nil {
return nil, err
}
if err = s.netPlugin.SetUpPod(netnsPath, podNamespace, id, containerName); err != nil {
return nil, fmt.Errorf("failed to create network for container %s in sandbox %s: %v", containerName, id, err)
}
if err = s.runtime.StartContainer(container); err != nil {
return nil, err
}
if err = s.runtime.UpdateStatus(container); err != nil {
return nil, err
}
resp := &pb.RunPodSandboxResponse{PodSandboxId: &id}
logrus.Debugf("RunPodSandboxResponse: %+v", resp)
return resp, nil
}
// StopPodSandbox stops the sandbox. If there are any running containers in the
// sandbox, they should be force terminated.
func (s *Server) StopPodSandbox(ctx context.Context, req *pb.StopPodSandboxRequest) (*pb.StopPodSandboxResponse, error) {
logrus.Debugf("StopPodSandboxRequest %+v", req)
sb, err := s.getPodSandboxFromRequest(req)
if err != nil {
return nil, err
}
podNamespace := ""
podInfraContainer := sb.infraContainer
netnsPath, err := podInfraContainer.NetNsPath()
if err != nil {
return nil, err
}
if err := s.netPlugin.TearDownPod(netnsPath, podNamespace, sb.id, podInfraContainer.Name()); err != nil {
return nil, fmt.Errorf("failed to destroy network for container %s in sandbox %s: %v",
podInfraContainer.Name(), sb.id, err)
}
containers := sb.containers.List()
containers = append(containers, podInfraContainer)
for _, c := range containers {
cStatus := s.runtime.ContainerStatus(c)
if cStatus.Status != oci.ContainerStateStopped {
if err := s.runtime.StopContainer(c); err != nil {
return nil, fmt.Errorf("failed to stop container %s in sandbox %s: %v", c.Name(), sb.id, err)
}
}
}
resp := &pb.StopPodSandboxResponse{}
logrus.Debugf("StopPodSandboxResponse: %+v", resp)
return resp, nil
}
// RemovePodSandbox deletes the sandbox. If there are any running containers in the
// sandbox, they should be force deleted.
func (s *Server) RemovePodSandbox(ctx context.Context, req *pb.RemovePodSandboxRequest) (*pb.RemovePodSandboxResponse, error) {
logrus.Debugf("RemovePodSandboxRequest %+v", req)
sb, err := s.getPodSandboxFromRequest(req)
if err != nil {
return nil, err
}
podInfraContainer := sb.infraContainer
containers := sb.containers.List()
containers = append(containers, podInfraContainer)
// Delete all the containers in the sandbox
for _, c := range containers {
if err := s.runtime.UpdateStatus(c); err != nil {
return nil, fmt.Errorf("failed to update container state: %v", err)
}
cState := s.runtime.ContainerStatus(c)
if cState.Status == oci.ContainerStateCreated || cState.Status == oci.ContainerStateRunning {
if err := s.runtime.StopContainer(c); err != nil {
return nil, fmt.Errorf("failed to stop container %s: %v", c.Name(), err)
}
}
if err := s.runtime.DeleteContainer(c); err != nil {
return nil, fmt.Errorf("failed to delete container %s in sandbox %s: %v", c.Name(), sb.id, err)
}
if c == podInfraContainer {
continue
}
containerDir := filepath.Join(s.runtime.ContainerDir(), c.ID())
if err := os.RemoveAll(containerDir); err != nil {
return nil, fmt.Errorf("failed to remove container %s directory: %v", c.Name(), err)
}
s.releaseContainerName(c.Name())
s.removeContainer(c)
}
if err := label.UnreserveLabel(sb.processLabel); err != nil {
return nil, err
}
// Remove the files related to the sandbox
podSandboxDir := filepath.Join(s.config.SandboxDir, sb.id)
if err := os.RemoveAll(podSandboxDir); err != nil {
return nil, fmt.Errorf("failed to remove sandbox %s directory: %v", sb.id, err)
}
s.releaseContainerName(podInfraContainer.Name())
s.removeContainer(podInfraContainer)
sb.infraContainer = nil
s.releasePodName(sb.name)
s.removeSandbox(sb.id)
resp := &pb.RemovePodSandboxResponse{}
logrus.Debugf("RemovePodSandboxResponse %+v", resp)
return resp, nil
}
// PodSandboxStatus returns the Status of the PodSandbox.
func (s *Server) PodSandboxStatus(ctx context.Context, req *pb.PodSandboxStatusRequest) (*pb.PodSandboxStatusResponse, error) {
logrus.Debugf("PodSandboxStatusRequest %+v", req)
sb, err := s.getPodSandboxFromRequest(req)
if err != nil {
return nil, err
}
podInfraContainer := sb.infraContainer
if err = s.runtime.UpdateStatus(podInfraContainer); err != nil {
return nil, err
}
cState := s.runtime.ContainerStatus(podInfraContainer)
created := cState.Created.UnixNano()
netNsPath, err := podInfraContainer.NetNsPath()
if err != nil {
return nil, err
}
podNamespace := ""
ip, err := s.netPlugin.GetContainerNetworkStatus(netNsPath, podNamespace, sb.id, podInfraContainer.Name())
if err != nil {
// ignore the error on network status
ip = ""
}
rStatus := pb.PodSandboxState_SANDBOX_NOTREADY
if cState.Status == oci.ContainerStateRunning {
rStatus = pb.PodSandboxState_SANDBOX_READY
}
sandboxID := sb.id
resp := &pb.PodSandboxStatusResponse{
Status: &pb.PodSandboxStatus{
Id: &sandboxID,
CreatedAt: int64Ptr(created),
Linux: &pb.LinuxPodSandboxStatus{
Namespaces: &pb.Namespace{
Network: sPtr(netNsPath),
},
},
Network: &pb.PodSandboxNetworkStatus{Ip: &ip},
State: &rStatus,
Labels: sb.labels,
Annotations: sb.annotations,
Metadata: sb.metadata,
},
}
logrus.Infof("PodSandboxStatusResponse: %+v", resp)
return resp, nil
}
// filterSandbox returns whether passed container matches filtering criteria
func filterSandbox(p *pb.PodSandbox, filter *pb.PodSandboxFilter) bool {
if filter != nil {
if filter.State != nil {
if *p.State != *filter.State {
return false
}
}
if filter.LabelSelector != nil {
sel := fields.SelectorFromSet(filter.LabelSelector)
if !sel.Matches(fields.Set(p.Labels)) {
return false
}
}
}
return true
}
// ListPodSandbox returns a list of SandBoxes.
func (s *Server) ListPodSandbox(ctx context.Context, req *pb.ListPodSandboxRequest) (*pb.ListPodSandboxResponse, error) {
logrus.Debugf("ListPodSandboxRequest %+v", req)
var pods []*pb.PodSandbox
var podList []*sandbox
for _, sb := range s.state.sandboxes {
podList = append(podList, sb)
}
filter := req.Filter
// Filter by pod id first.
if filter != nil {
if filter.Id != nil {
sb := s.getSandbox(*filter.Id)
if sb == nil {
podList = []*sandbox{}
} else {
podList = []*sandbox{sb}
}
}
}
for _, sb := range podList {
podInfraContainer := sb.infraContainer
if podInfraContainer == nil {
// this can't really happen, but if it does because of a bug
// it's better not to panic
continue
}
if err := s.runtime.UpdateStatus(podInfraContainer); err != nil {
return nil, err
}
cState := s.runtime.ContainerStatus(podInfraContainer)
created := cState.Created.UnixNano()
rStatus := pb.PodSandboxState_SANDBOX_NOTREADY
if cState.Status == oci.ContainerStateRunning {
rStatus = pb.PodSandboxState_SANDBOX_READY
}
pod := &pb.PodSandbox{
Id: &sb.id,
CreatedAt: int64Ptr(created),
State: &rStatus,
Labels: sb.labels,
Annotations: sb.annotations,
Metadata: sb.metadata,
}
// Filter by other criteria such as state and labels.
if filterSandbox(pod, req.Filter) {
pods = append(pods, pod)
}
}
resp := &pb.ListPodSandboxResponse{
Items: pods,
}
logrus.Debugf("ListPodSandboxResponse %+v", resp)
return resp, nil
}
func getSELinuxLabels(selinuxOptions *pb.SELinuxOption) (processLabel string, mountLabel string, err error) {
processLabel = ""
if selinuxOptions != nil {
user := selinuxOptions.GetUser()
if user == "" {
return "", "", fmt.Errorf("SELinuxOption.User is empty")
}
role := selinuxOptions.GetRole()
if role == "" {
return "", "", fmt.Errorf("SELinuxOption.Role is empty")
}
t := selinuxOptions.GetType()
if t == "" {
return "", "", fmt.Errorf("SELinuxOption.Type is empty")
}
level := selinuxOptions.GetLevel()
if level == "" {
return "", "", fmt.Errorf("SELinuxOption.Level is empty")
}
processLabel = fmt.Sprintf("%s:%s:%s:%s", user, role, t, level)
}
return label.InitLabels(label.DupSecOpt(processLabel))
}

88
server/sandbox_list.go Normal file
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package server
import (
"github.com/Sirupsen/logrus"
"github.com/kubernetes-incubator/cri-o/oci"
"golang.org/x/net/context"
"k8s.io/kubernetes/pkg/fields"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// filterSandbox returns whether passed container matches filtering criteria
func filterSandbox(p *pb.PodSandbox, filter *pb.PodSandboxFilter) bool {
if filter != nil {
if filter.State != nil {
if *p.State != *filter.State {
return false
}
}
if filter.LabelSelector != nil {
sel := fields.SelectorFromSet(filter.LabelSelector)
if !sel.Matches(fields.Set(p.Labels)) {
return false
}
}
}
return true
}
// ListPodSandbox returns a list of SandBoxes.
func (s *Server) ListPodSandbox(ctx context.Context, req *pb.ListPodSandboxRequest) (*pb.ListPodSandboxResponse, error) {
logrus.Debugf("ListPodSandboxRequest %+v", req)
var pods []*pb.PodSandbox
var podList []*sandbox
for _, sb := range s.state.sandboxes {
podList = append(podList, sb)
}
filter := req.Filter
// Filter by pod id first.
if filter != nil {
if filter.Id != nil {
sb := s.getSandbox(*filter.Id)
if sb == nil {
podList = []*sandbox{}
} else {
podList = []*sandbox{sb}
}
}
}
for _, sb := range podList {
podInfraContainer := sb.infraContainer
if podInfraContainer == nil {
// this can't really happen, but if it does because of a bug
// it's better not to panic
continue
}
if err := s.runtime.UpdateStatus(podInfraContainer); err != nil {
return nil, err
}
cState := s.runtime.ContainerStatus(podInfraContainer)
created := cState.Created.UnixNano()
rStatus := pb.PodSandboxState_SANDBOX_NOTREADY
if cState.Status == oci.ContainerStateRunning {
rStatus = pb.PodSandboxState_SANDBOX_READY
}
pod := &pb.PodSandbox{
Id: &sb.id,
CreatedAt: int64Ptr(created),
State: &rStatus,
Labels: sb.labels,
Annotations: sb.annotations,
Metadata: sb.metadata,
}
// Filter by other criteria such as state and labels.
if filterSandbox(pod, req.Filter) {
pods = append(pods, pod)
}
}
resp := &pb.ListPodSandboxResponse{
Items: pods,
}
logrus.Debugf("ListPodSandboxResponse %+v", resp)
return resp, nil
}

77
server/sandbox_remove.go Normal file
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package server
import (
"fmt"
"os"
"path/filepath"
"github.com/Sirupsen/logrus"
"github.com/kubernetes-incubator/cri-o/oci"
"github.com/opencontainers/runc/libcontainer/label"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// RemovePodSandbox deletes the sandbox. If there are any running containers in the
// sandbox, they should be force deleted.
func (s *Server) RemovePodSandbox(ctx context.Context, req *pb.RemovePodSandboxRequest) (*pb.RemovePodSandboxResponse, error) {
logrus.Debugf("RemovePodSandboxRequest %+v", req)
sb, err := s.getPodSandboxFromRequest(req)
if err != nil {
return nil, err
}
podInfraContainer := sb.infraContainer
containers := sb.containers.List()
containers = append(containers, podInfraContainer)
// Delete all the containers in the sandbox
for _, c := range containers {
if err := s.runtime.UpdateStatus(c); err != nil {
return nil, fmt.Errorf("failed to update container state: %v", err)
}
cState := s.runtime.ContainerStatus(c)
if cState.Status == oci.ContainerStateCreated || cState.Status == oci.ContainerStateRunning {
if err := s.runtime.StopContainer(c); err != nil {
return nil, fmt.Errorf("failed to stop container %s: %v", c.Name(), err)
}
}
if err := s.runtime.DeleteContainer(c); err != nil {
return nil, fmt.Errorf("failed to delete container %s in sandbox %s: %v", c.Name(), sb.id, err)
}
if c == podInfraContainer {
continue
}
containerDir := filepath.Join(s.runtime.ContainerDir(), c.ID())
if err := os.RemoveAll(containerDir); err != nil {
return nil, fmt.Errorf("failed to remove container %s directory: %v", c.Name(), err)
}
s.releaseContainerName(c.Name())
s.removeContainer(c)
}
if err := label.UnreserveLabel(sb.processLabel); err != nil {
return nil, err
}
// Remove the files related to the sandbox
podSandboxDir := filepath.Join(s.config.SandboxDir, sb.id)
if err := os.RemoveAll(podSandboxDir); err != nil {
return nil, fmt.Errorf("failed to remove sandbox %s directory: %v", sb.id, err)
}
s.releaseContainerName(podInfraContainer.Name())
s.removeContainer(podInfraContainer)
sb.infraContainer = nil
s.releasePodName(sb.name)
s.removeSandbox(sb.id)
resp := &pb.RemovePodSandboxResponse{}
logrus.Debugf("RemovePodSandboxResponse %+v", resp)
return resp, nil
}

298
server/sandbox_run.go Normal file
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package server
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
"github.com/Sirupsen/logrus"
"github.com/kubernetes-incubator/cri-o/oci"
"github.com/kubernetes-incubator/cri-o/utils"
"github.com/opencontainers/runc/libcontainer/label"
"github.com/opencontainers/runtime-tools/generate"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// RunPodSandbox creates and runs a pod-level sandbox.
func (s *Server) RunPodSandbox(ctx context.Context, req *pb.RunPodSandboxRequest) (*pb.RunPodSandboxResponse, error) {
logrus.Debugf("RunPodSandboxRequest %+v", req)
var processLabel, mountLabel string
// process req.Name
name := req.GetConfig().GetMetadata().GetName()
if name == "" {
return nil, fmt.Errorf("PodSandboxConfig.Name should not be empty")
}
namespace := req.GetConfig().GetMetadata().GetNamespace()
attempt := req.GetConfig().GetMetadata().GetAttempt()
var err error
id, name, err := s.generatePodIDandName(name, namespace, attempt)
if err != nil {
return nil, err
}
defer func() {
if err != nil {
s.releasePodName(name)
}
}()
if err = s.podIDIndex.Add(id); err != nil {
return nil, err
}
defer func() {
if err != nil {
if err = s.podIDIndex.Delete(id); err != nil {
logrus.Warnf("couldn't delete pod id %s from idIndex", id)
}
}
}()
podSandboxDir := filepath.Join(s.config.SandboxDir, id)
if _, err = os.Stat(podSandboxDir); err == nil {
return nil, fmt.Errorf("pod sandbox (%s) already exists", podSandboxDir)
}
defer func() {
if err != nil {
if err2 := os.RemoveAll(podSandboxDir); err2 != nil {
logrus.Warnf("couldn't cleanup podSandboxDir %s: %v", podSandboxDir, err2)
}
}
}()
if err = os.MkdirAll(podSandboxDir, 0755); err != nil {
return nil, err
}
// creates a spec Generator with the default spec.
g := generate.New()
// TODO: Make the `graph/vfs` part of this configurable once the storage
// integration has been merged.
podInfraRootfs := filepath.Join(s.config.Root, "graph/vfs/pause")
// setup defaults for the pod sandbox
g.SetRootPath(filepath.Join(podInfraRootfs, "rootfs"))
g.SetRootReadonly(true)
g.SetProcessArgs([]string{"/pause"})
// set hostname
hostname := req.GetConfig().GetHostname()
if hostname != "" {
g.SetHostname(hostname)
}
// set log directory
logDir := req.GetConfig().GetLogDirectory()
if logDir == "" {
logDir = filepath.Join(s.config.LogDir, id)
}
// set DNS options
dnsServers := req.GetConfig().GetDnsConfig().GetServers()
dnsSearches := req.GetConfig().GetDnsConfig().GetSearches()
dnsOptions := req.GetConfig().GetDnsConfig().GetOptions()
resolvPath := fmt.Sprintf("%s/resolv.conf", podSandboxDir)
err = parseDNSOptions(dnsServers, dnsSearches, dnsOptions, resolvPath)
if err != nil {
err1 := removeFile(resolvPath)
if err1 != nil {
err = err1
return nil, fmt.Errorf("%v; failed to remove %s: %v", err, resolvPath, err1)
}
return nil, err
}
g.AddBindMount(resolvPath, "/etc/resolv.conf", "ro")
// add metadata
metadata := req.GetConfig().GetMetadata()
metadataJSON, err := json.Marshal(metadata)
if err != nil {
return nil, err
}
// add labels
labels := req.GetConfig().GetLabels()
labelsJSON, err := json.Marshal(labels)
if err != nil {
return nil, err
}
// add annotations
annotations := req.GetConfig().GetAnnotations()
annotationsJSON, err := json.Marshal(annotations)
if err != nil {
return nil, err
}
// Don't use SELinux separation with Host Pid or IPC Namespace,
if !req.GetConfig().GetLinux().GetSecurityContext().GetNamespaceOptions().GetHostPid() && !req.GetConfig().GetLinux().GetSecurityContext().GetNamespaceOptions().GetHostIpc() {
processLabel, mountLabel, err = getSELinuxLabels(nil)
if err != nil {
return nil, err
}
g.SetProcessSelinuxLabel(processLabel)
}
containerID, containerName, err := s.generateContainerIDandName(name, "infra", 0)
if err != nil {
return nil, err
}
defer func() {
if err != nil {
s.releaseContainerName(containerName)
}
}()
if err = s.ctrIDIndex.Add(containerID); err != nil {
return nil, err
}
defer func() {
if err != nil {
if err = s.ctrIDIndex.Delete(containerID); err != nil {
logrus.Warnf("couldn't delete ctr id %s from idIndex", containerID)
}
}
}()
g.AddAnnotation("ocid/metadata", string(metadataJSON))
g.AddAnnotation("ocid/labels", string(labelsJSON))
g.AddAnnotation("ocid/annotations", string(annotationsJSON))
g.AddAnnotation("ocid/log_path", logDir)
g.AddAnnotation("ocid/name", name)
g.AddAnnotation("ocid/container_name", containerName)
g.AddAnnotation("ocid/container_id", containerID)
sb := &sandbox{
id: id,
name: name,
logDir: logDir,
labels: labels,
annotations: annotations,
containers: oci.NewMemoryStore(),
processLabel: processLabel,
mountLabel: mountLabel,
metadata: metadata,
}
s.addSandbox(sb)
for k, v := range annotations {
g.AddAnnotation(k, v)
}
// setup cgroup settings
cgroupParent := req.GetConfig().GetLinux().GetCgroupParent()
if cgroupParent != "" {
g.SetLinuxCgroupsPath(cgroupParent)
}
// set up namespaces
if req.GetConfig().GetLinux().GetSecurityContext().GetNamespaceOptions().GetHostNetwork() {
err = g.RemoveLinuxNamespace("network")
if err != nil {
return nil, err
}
}
if req.GetConfig().GetLinux().GetSecurityContext().GetNamespaceOptions().GetHostPid() {
err = g.RemoveLinuxNamespace("pid")
if err != nil {
return nil, err
}
}
if req.GetConfig().GetLinux().GetSecurityContext().GetNamespaceOptions().GetHostIpc() {
err = g.RemoveLinuxNamespace("ipc")
if err != nil {
return nil, err
}
}
err = g.SaveToFile(filepath.Join(podSandboxDir, "config.json"))
if err != nil {
return nil, err
}
if _, err = os.Stat(podInfraRootfs); err != nil {
if os.IsNotExist(err) {
// TODO: Replace by rootfs creation API when it is ready
if err = utils.CreateInfraRootfs(podInfraRootfs, s.config.Pause); err != nil {
return nil, err
}
} else {
return nil, err
}
}
container, err := oci.NewContainer(containerID, containerName, podSandboxDir, podSandboxDir, labels, nil, id, false)
if err != nil {
return nil, err
}
sb.infraContainer = container
if err = s.runtime.CreateContainer(container); err != nil {
return nil, err
}
if err = s.runtime.UpdateStatus(container); err != nil {
return nil, err
}
// setup the network
podNamespace := ""
netnsPath, err := container.NetNsPath()
if err != nil {
return nil, err
}
if err = s.netPlugin.SetUpPod(netnsPath, podNamespace, id, containerName); err != nil {
return nil, fmt.Errorf("failed to create network for container %s in sandbox %s: %v", containerName, id, err)
}
if err = s.runtime.StartContainer(container); err != nil {
return nil, err
}
if err = s.runtime.UpdateStatus(container); err != nil {
return nil, err
}
resp := &pb.RunPodSandboxResponse{PodSandboxId: &id}
logrus.Debugf("RunPodSandboxResponse: %+v", resp)
return resp, nil
}
func getSELinuxLabels(selinuxOptions *pb.SELinuxOption) (processLabel string, mountLabel string, err error) {
processLabel = ""
if selinuxOptions != nil {
user := selinuxOptions.GetUser()
if user == "" {
return "", "", fmt.Errorf("SELinuxOption.User is empty")
}
role := selinuxOptions.GetRole()
if role == "" {
return "", "", fmt.Errorf("SELinuxOption.Role is empty")
}
t := selinuxOptions.GetType()
if t == "" {
return "", "", fmt.Errorf("SELinuxOption.Type is empty")
}
level := selinuxOptions.GetLevel()
if level == "" {
return "", "", fmt.Errorf("SELinuxOption.Level is empty")
}
processLabel = fmt.Sprintf("%s:%s:%s:%s", user, role, t, level)
}
return label.InitLabels(label.DupSecOpt(processLabel))
}

62
server/sandbox_status.go Normal file
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package server
import (
"github.com/Sirupsen/logrus"
"github.com/kubernetes-incubator/cri-o/oci"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// PodSandboxStatus returns the Status of the PodSandbox.
func (s *Server) PodSandboxStatus(ctx context.Context, req *pb.PodSandboxStatusRequest) (*pb.PodSandboxStatusResponse, error) {
logrus.Debugf("PodSandboxStatusRequest %+v", req)
sb, err := s.getPodSandboxFromRequest(req)
if err != nil {
return nil, err
}
podInfraContainer := sb.infraContainer
if err = s.runtime.UpdateStatus(podInfraContainer); err != nil {
return nil, err
}
cState := s.runtime.ContainerStatus(podInfraContainer)
created := cState.Created.UnixNano()
netNsPath, err := podInfraContainer.NetNsPath()
if err != nil {
return nil, err
}
podNamespace := ""
ip, err := s.netPlugin.GetContainerNetworkStatus(netNsPath, podNamespace, sb.id, podInfraContainer.Name())
if err != nil {
// ignore the error on network status
ip = ""
}
rStatus := pb.PodSandboxState_SANDBOX_NOTREADY
if cState.Status == oci.ContainerStateRunning {
rStatus = pb.PodSandboxState_SANDBOX_READY
}
sandboxID := sb.id
resp := &pb.PodSandboxStatusResponse{
Status: &pb.PodSandboxStatus{
Id: &sandboxID,
CreatedAt: int64Ptr(created),
Linux: &pb.LinuxPodSandboxStatus{
Namespaces: &pb.Namespace{
Network: sPtr(netNsPath),
},
},
Network: &pb.PodSandboxNetworkStatus{Ip: &ip},
State: &rStatus,
Labels: sb.labels,
Annotations: sb.annotations,
Metadata: sb.metadata,
},
}
logrus.Infof("PodSandboxStatusResponse: %+v", resp)
return resp, nil
}

48
server/sandbox_stop.go Normal file
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package server
import (
"fmt"
"github.com/Sirupsen/logrus"
"github.com/kubernetes-incubator/cri-o/oci"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// StopPodSandbox stops the sandbox. If there are any running containers in the
// sandbox, they should be force terminated.
func (s *Server) StopPodSandbox(ctx context.Context, req *pb.StopPodSandboxRequest) (*pb.StopPodSandboxResponse, error) {
logrus.Debugf("StopPodSandboxRequest %+v", req)
sb, err := s.getPodSandboxFromRequest(req)
if err != nil {
return nil, err
}
podNamespace := ""
podInfraContainer := sb.infraContainer
netnsPath, err := podInfraContainer.NetNsPath()
if err != nil {
return nil, err
}
if err := s.netPlugin.TearDownPod(netnsPath, podNamespace, sb.id, podInfraContainer.Name()); err != nil {
return nil, fmt.Errorf("failed to destroy network for container %s in sandbox %s: %v",
podInfraContainer.Name(), sb.id, err)
}
containers := sb.containers.List()
containers = append(containers, podInfraContainer)
for _, c := range containers {
cStatus := s.runtime.ContainerStatus(c)
if cStatus.Status != oci.ContainerStateStopped {
if err := s.runtime.StopContainer(c); err != nil {
return nil, fmt.Errorf("failed to stop container %s in sandbox %s: %v", c.Name(), sb.id, err)
}
}
}
resp := &pb.StopPodSandboxResponse{}
logrus.Debugf("StopPodSandboxResponse: %+v", resp)
return resp, nil
}