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Merge pull request #48822 from caseydavenport/drive-by-fix-todo

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Automatic merge from submit-queue (batch tested with PRs 47738, 49196, 48907, 48533, 48822)

Fix TODO: rename podInfraContainerID to sandboxID

**What this PR does / why we need it**:

Code-cleanup in kubelet to use consistent naming for sandbox ID. Not super urgent, but thought it would be nice to knock off some TODOs. 

**Which issue this PR fixes**

Fixes a TODO in the code, no associated issue.

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2017-07-28 03:10:37 -07:00 committed by GitHub
commit f2dc80bfe5
4 changed files with 22 additions and 25 deletions
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4
pkg/kubelet/dockershim/docker_streaming.go
View File

@ -159,8 +159,8 @@ func attachContainer(client libdocker.Interface, containerID string, stdin io.Re
return client.AttachToContainer(containerID, opts, sopts)
}
func portForward(client libdocker.Interface, podInfraContainerID string, port int32, stream io.ReadWriteCloser) error {
container, err := client.InspectContainer(podInfraContainerID)
func portForward(client libdocker.Interface, podSandboxID string, port int32, stream io.ReadWriteCloser) error {
container, err := client.InspectContainer(podSandboxID)
if err != nil {
return err
}

14
pkg/kubelet/dockershim/security_context.go
View File

@ -54,7 +54,7 @@ func applySandboxSecurityContext(lc *runtimeapi.LinuxPodSandboxConfig, config *d
}
// applyContainerSecurityContext updates docker container options according to security context.
func applyContainerSecurityContext(lc *runtimeapi.LinuxContainerConfig, sandboxID string, config *dockercontainer.Config, hc *dockercontainer.HostConfig, separator rune) error {
func applyContainerSecurityContext(lc *runtimeapi.LinuxContainerConfig, podSandboxID string, config *dockercontainer.Config, hc *dockercontainer.HostConfig, separator rune) error {
if lc == nil {
return nil
}
@ -63,7 +63,7 @@ func applyContainerSecurityContext(lc *runtimeapi.LinuxContainerConfig, sandboxI
if err := modifyHostConfig(lc.SecurityContext, hc, separator); err != nil {
return err
}
modifyContainerNamespaceOptions(lc.SecurityContext.GetNamespaceOptions(), sandboxID, hc)
modifyContainerNamespaceOptions(lc.SecurityContext.GetNamespaceOptions(), podSandboxID, hc)
return nil
}
@ -127,14 +127,14 @@ func modifySandboxNamespaceOptions(nsOpts *runtimeapi.NamespaceOption, hostConfi
}
// modifyContainerNamespaceOptions apply namespace options for container
func modifyContainerNamespaceOptions(nsOpts *runtimeapi.NamespaceOption, sandboxID string, hostConfig *dockercontainer.HostConfig) {
func modifyContainerNamespaceOptions(nsOpts *runtimeapi.NamespaceOption, podSandboxID string, hostConfig *dockercontainer.HostConfig) {
hostNetwork := false
if nsOpts != nil {
hostNetwork = nsOpts.HostNetwork
}
hostConfig.PidMode = dockercontainer.PidMode(fmt.Sprintf("container:%v", sandboxID))
hostConfig.PidMode = dockercontainer.PidMode(fmt.Sprintf("container:%v", podSandboxID))
modifyCommonNamespaceOptions(nsOpts, hostConfig)
modifyHostNetworkOptionForContainer(hostNetwork, sandboxID, hostConfig)
modifyHostNetworkOptionForContainer(hostNetwork, podSandboxID, hostConfig)
}
// modifyCommonNamespaceOptions apply common namespace options for sandbox and container
@ -172,8 +172,8 @@ func modifyHostNetworkOptionForSandbox(hostNetwork bool, network *knetwork.Plugi
}
// modifyHostNetworkOptionForContainer applies NetworkMode/UTSMode to container's dockercontainer.HostConfig.
func modifyHostNetworkOptionForContainer(hostNetwork bool, sandboxID string, hc *dockercontainer.HostConfig) {
sandboxNSMode := fmt.Sprintf("container:%v", sandboxID)
func modifyHostNetworkOptionForContainer(hostNetwork bool, podSandboxID string, hc *dockercontainer.HostConfig) {
sandboxNSMode := fmt.Sprintf("container:%v", podSandboxID)
hc.NetworkMode = dockercontainer.NetworkMode(sandboxNSMode)
hc.IpcMode = dockercontainer.IpcMode(sandboxNSMode)
hc.UTSMode = ""

16
pkg/kubelet/network/cni/cni.go
View File

@ -280,8 +280,8 @@ func (plugin *cniNetworkPlugin) GetPodNetworkStatus(namespace string, name strin
return &network.PodNetworkStatus{IP: ip}, nil
}
func (plugin *cniNetworkPlugin) addToNetwork(network *cniNetwork, podName string, podNamespace string, podInfraContainerID kubecontainer.ContainerID, podNetnsPath string) (cnitypes.Result, error) {
rt, err := plugin.buildCNIRuntimeConf(podName, podNamespace, podInfraContainerID, podNetnsPath)
func (plugin *cniNetworkPlugin) addToNetwork(network *cniNetwork, podName string, podNamespace string, podSandboxID kubecontainer.ContainerID, podNetnsPath string) (cnitypes.Result, error) {
rt, err := plugin.buildCNIRuntimeConf(podName, podNamespace, podSandboxID, podNetnsPath)
if err != nil {
glog.Errorf("Error adding network when building cni runtime conf: %v", err)
return nil, err
@ -298,8 +298,8 @@ func (plugin *cniNetworkPlugin) addToNetwork(network *cniNetwork, podName string
return res, nil
}
func (plugin *cniNetworkPlugin) deleteFromNetwork(network *cniNetwork, podName string, podNamespace string, podInfraContainerID kubecontainer.ContainerID, podNetnsPath string) error {
rt, err := plugin.buildCNIRuntimeConf(podName, podNamespace, podInfraContainerID, podNetnsPath)
func (plugin *cniNetworkPlugin) deleteFromNetwork(network *cniNetwork, podName string, podNamespace string, podSandboxID kubecontainer.ContainerID, podNetnsPath string) error {
rt, err := plugin.buildCNIRuntimeConf(podName, podNamespace, podSandboxID, podNetnsPath)
if err != nil {
glog.Errorf("Error deleting network when building cni runtime conf: %v", err)
return err
@ -315,25 +315,25 @@ func (plugin *cniNetworkPlugin) deleteFromNetwork(network *cniNetwork, podName s
return nil
}
func (plugin *cniNetworkPlugin) buildCNIRuntimeConf(podName string, podNs string, podInfraContainerID kubecontainer.ContainerID, podNetnsPath string) (*libcni.RuntimeConf, error) {
func (plugin *cniNetworkPlugin) buildCNIRuntimeConf(podName string, podNs string, podSandboxID kubecontainer.ContainerID, podNetnsPath string) (*libcni.RuntimeConf, error) {
glog.V(4).Infof("Got netns path %v", podNetnsPath)
glog.V(4).Infof("Using netns path %v", podNs)
rt := &libcni.RuntimeConf{
ContainerID: podInfraContainerID.ID,
ContainerID: podSandboxID.ID,
NetNS: podNetnsPath,
IfName: network.DefaultInterfaceName,
Args: [][2]string{
{"IgnoreUnknown", "1"},
{"K8S_POD_NAMESPACE", podNs},
{"K8S_POD_NAME", podName},
{"K8S_POD_INFRA_CONTAINER_ID", podInfraContainerID.ID},
{"K8S_POD_INFRA_CONTAINER_ID", podSandboxID.ID},
},
}
// port mappings are a cni capability-based args, rather than parameters
// to a specific plugin
portMappings, err := plugin.host.GetPodPortMappings(podInfraContainerID.ID)
portMappings, err := plugin.host.GetPodPortMappings(podSandboxID.ID)
if err != nil {
return nil, fmt.Errorf("could not retrieve port mappings: %v", err)
}

13
pkg/kubelet/network/plugins.go
View File

@ -63,16 +63,13 @@ type NetworkPlugin interface {
// SetUpPod is the method called after the infra container of
// the pod has been created but before the other containers of the
// pod are launched.
// TODO: rename podInfraContainerID to sandboxID
SetUpPod(namespace string, name string, podInfraContainerID kubecontainer.ContainerID, annotations map[string]string) error
SetUpPod(namespace string, name string, podSandboxID kubecontainer.ContainerID, annotations map[string]string) error
// TearDownPod is the method called before a pod's infra container will be deleted
// TODO: rename podInfraContainerID to sandboxID
TearDownPod(namespace string, name string, podInfraContainerID kubecontainer.ContainerID) error
TearDownPod(namespace string, name string, podSandboxID kubecontainer.ContainerID) error
// GetPodNetworkStatus is the method called to obtain the ipv4 or ipv6 addresses of the container
// TODO: rename podInfraContainerID to sandboxID
GetPodNetworkStatus(namespace string, name string, podInfraContainerID kubecontainer.ContainerID) (*PodNetworkStatus, error)
GetPodNetworkStatus(namespace string, name string, podSandboxID kubecontainer.ContainerID) (*PodNetworkStatus, error)
// Status returns error if the network plugin is in error state
Status() error
@ -136,7 +133,7 @@ type Host interface {
}
// NamespaceGetter is an interface to retrieve namespace information for a given
// sandboxID. Typically implemented by runtime shims that are closely coupled to
// podSandboxID. Typically implemented by runtime shims that are closely coupled to
// CNI plugin wrappers like kubenet.
type NamespaceGetter interface {
// GetNetNS returns network namespace information for the given containerID.
@ -146,7 +143,7 @@ type NamespaceGetter interface {
}
// PortMappingGetter is an interface to retrieve port mapping information for a given
// sandboxID. Typically implemented by runtime shims that are closely coupled to
// podSandboxID. Typically implemented by runtime shims that are closely coupled to
// CNI plugin wrappers like kubenet.
type PortMappingGetter interface {
// GetPodPortMappings returns sandbox port mappings information.