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Convert existing kubernetes system to use ContainerStatus, instead of

Browse Source 
docker.Container directly.

Conflicts:
	pkg/kubelet/dockertools/docker.go
	pkg/registry/pod/rest.go
This commit is contained in:
Dawn Chen
2014-09-16 13:21:04 -07:00
parent 9564dacf6c
commit 0e6ec3cbfc
11 changed files with 92 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
hack/e2e-suite/basic.sh
View File

@@ -18,7 +18,7 @@
# we're being called by hack/e2e-test.sh (we use some env vars it sets up).
# Exit on error
set -e
set -x
source "${KUBE_REPO_ROOT}/cluster/kube-env.sh"
source "${KUBE_REPO_ROOT}/cluster/$KUBERNETES_PROVIDER/util.sh"
@@ -49,6 +49,8 @@ while [ $ALL_RUNNING -ne 1 ]; do
sleep 5
ALL_RUNNING=1
for id in $POD_ID_LIST; do
echo "=========================================="
echo $KUBECFG
CURRENT_STATUS=$($KUBECFG -template '{{and .CurrentState.Info.mynginx.State.Running .CurrentState.Info.net.State.Running}}' get pods/$id)
if [ "$CURRENT_STATUS" != "true" ]; then
ALL_RUNNING=0

3
pkg/api/types.go
View File

@@ -288,8 +288,7 @@ type ContainerStatus struct {
}
// PodInfo contains one entry for every container with available info.
// TODO(dchen1107): Replace docker.Container below with ContainerStatus defined above.
type PodInfo map[string]docker.Container
type PodInfo map[string]ContainerStatus
type RestartPolicyAlways struct{}

2
pkg/api/v1beta1/types.go
View File

@@ -301,7 +301,7 @@ type ContainerStatus struct {
}
// PodInfo contains one entry for every container with available info.
type PodInfo map[string]docker.Container
type PodInfo map[string]ContainerStatus
type RestartPolicyAlways struct{}

11
pkg/client/podinfo_test.go
View File

@@ -32,7 +32,9 @@ import (
func TestHTTPPodInfoGetter(t *testing.T) {
expectObj := api.PodInfo{
"myID": docker.Container{ID: "myID"},
"myID": api.ContainerStatus{
DetailInfo: docker.Container{ID: "myID"},
},
}
body, err := json.Marshal(expectObj)
if err != nil {
@@ -67,14 +69,17 @@ func TestHTTPPodInfoGetter(t *testing.T) {
}
// reflect.DeepEqual(expectObj, gotObj) doesn't handle blank times well
if len(gotObj) != len(expectObj) || expectObj["myID"].ID != gotObj["myID"].ID {
if len(gotObj) != len(expectObj) ||
expectObj["myID"].DetailInfo.ID != gotObj["myID"].DetailInfo.ID {
t.Errorf("Unexpected response. Expected: %#v, received %#v", expectObj, gotObj)
}
}
func TestHTTPPodInfoGetterNotFound(t *testing.T) {
expectObj := api.PodInfo{
"myID": docker.Container{ID: "myID"},
"myID": api.ContainerStatus{
DetailInfo: docker.Container{ID: "myID"},
},
}
_, err := json.Marshal(expectObj)
if err != nil {

30
pkg/kubelet/dockertools/docker.go
View File

@@ -228,6 +228,25 @@ func GetKubeletDockerContainerLogs(client DockerInterface, containerID, tail str
return
}
func generateContainerStatus(inspectResult *docker.Container) api.ContainerStatus {
if inspectResult == nil {
// Why did we not get an error?
return api.ContainerStatus{}
}
var containerStatus api.ContainerStatus
if inspectResult.State.Running {
containerStatus.State.Running = &api.ContainerStateRunning{}
} else {
containerStatus.State.Termination = &api.ContainerStateTerminated{
ExitCode: inspectResult.State.ExitCode,
}
}
containerStatus.DetailInfo = *inspectResult
return containerStatus
}
// ErrNoContainersInPod is returned when there are no containers for a given pod
var ErrNoContainersInPod = errors.New("no containers exist for this pod")
@@ -249,7 +268,9 @@ func GetDockerPodInfo(client DockerInterface, podFullName, uuid string) (api.Pod
continue
}
// We assume docker return us a list of containers in time order
if _, ok := info[dockerContainerName]; ok {
if containerStatus, found := info[dockerContainerName]; found {
containerStatus.RestartCount += 1
info[dockerContainerName] = containerStatus
continue
}
@@ -257,12 +278,7 @@ func GetDockerPodInfo(client DockerInterface, podFullName, uuid string) (api.Pod
if err != nil {
return nil, err
}
if inspectResult == nil {
// Why did we not get an error?
info[dockerContainerName] = docker.Container{}
} else {
info[dockerContainerName] = *inspectResult
}
info[dockerContainerName] = generateContainerStatus(inspectResult)
}
if len(info) == 0 {
return nil, ErrNoContainersInPod

4
pkg/kubelet/handlers.go
View File

@@ -77,8 +77,8 @@ func (h *httpActionHandler) Run(podFullName, uuid string, container *api.Contain
return err
}
netInfo, found := info[networkContainerName]
if found && netInfo.NetworkSettings != nil {
host = netInfo.NetworkSettings.IPAddress
if found && netInfo.DetailInfo.NetworkSettings != nil {
host = netInfo.DetailInfo.NetworkSettings.IPAddress
} else {
return fmt.Errorf("failed to find networking container: %v", info)
}

4
pkg/kubelet/kubelet.go
View File

@@ -488,8 +488,8 @@ func (kl *Kubelet) syncPod(pod *Pod, dockerContainers dockertools.DockerContaine
podFullName, uuid)
}
netInfo, found := info[networkContainerName]
if found && netInfo.NetworkSettings != nil {
podState.PodIP = netInfo.NetworkSettings.IPAddress
if found && netInfo.DetailInfo.NetworkSettings != nil {
podState.PodIP = netInfo.DetailInfo.NetworkSettings.IPAddress
}
for _, container := range pod.Manifest.Containers {

6
pkg/kubelet/server_test.go
View File

@@ -146,7 +146,11 @@ func TestContainers(t *testing.T) {
func TestPodInfo(t *testing.T) {
fw := newServerTest()
expected := api.PodInfo{"goodpod": docker.Container{ID: "myContainerID"}}
expected := api.PodInfo{
"goodpod": api.ContainerStatus{
DetailInfo: docker.Container{ID: "myContainerID"},
},
}
fw.fakeKubelet.infoFunc = func(name string) (api.PodInfo, error) {
if name == "goodpod.etcd" {
return expected, nil

18
pkg/master/pod_cache_test.go
View File

@@ -41,7 +41,11 @@ func (f *FakePodInfoGetter) GetPodInfo(host, id string) (api.PodInfo, error) {
func TestPodCacheGet(t *testing.T) {
cache := NewPodCache(nil, nil)
expected := api.PodInfo{"foo": docker.Container{ID: "foo"}}
expected := api.PodInfo{
"foo": api.ContainerStatus{
DetailInfo: docker.Container{ID: "foo"},
},
}
cache.podInfo["foo"] = expected
info, err := cache.GetPodInfo("host", "foo")
@@ -66,7 +70,11 @@ func TestPodCacheGetMissing(t *testing.T) {
}
func TestPodGetPodInfoGetter(t *testing.T) {
expected := api.PodInfo{"foo": docker.Container{ID: "foo"}}
expected := api.PodInfo{
"foo": api.ContainerStatus{
DetailInfo: docker.Container{ID: "foo"},
},
}
fake := FakePodInfoGetter{
data: expected,
}
@@ -98,7 +106,11 @@ func TestPodUpdateAllContainers(t *testing.T) {
pods := []api.Pod{pod}
mockRegistry := registrytest.NewPodRegistry(&api.PodList{Items: pods})
expected := api.PodInfo{"foo": docker.Container{ID: "foo"}}
expected := api.PodInfo{
"foo": api.ContainerStatus{
DetailInfo: docker.Container{ID: "foo"},
},
}
fake := FakePodInfoGetter{
data: expected,
}

12
pkg/registry/pod/rest.go
View File

@@ -196,8 +196,8 @@ func (rs *REST) fillPodInfo(pod *api.Pod) {
pod.CurrentState.Info = info
netContainerInfo, ok := info["net"]
if ok {
if netContainerInfo.NetworkSettings != nil {
pod.CurrentState.PodIP = netContainerInfo.NetworkSettings.IPAddress
if netContainerInfo.DetailInfo.NetworkSettings != nil {
pod.CurrentState.PodIP = netContainerInfo.DetailInfo.NetworkSettings.IPAddress
} else {
glog.Warningf("No network settings: %#v", netContainerInfo)
}
@@ -253,11 +253,13 @@ func getPodStatus(pod *api.Pod, minions client.MinionInterface) (api.PodStatus,
stopped := 0
unknown := 0
for _, container := range pod.DesiredState.Manifest.Containers {
if info, ok := pod.CurrentState.Info[container.Name]; ok {
if info.State.Running {
if containerStatus, ok := pod.CurrentState.Info[container.Name]; ok {
if containerStatus.State.Running != nil {
running++
} else {
} else if containerStatus.State.Termination != nil {
stopped++
} else {
unknown++
}
} else {
unknown++

53
pkg/registry/pod/rest_test.go
View File

@@ -360,14 +360,14 @@ func TestMakePodStatus(t *testing.T) {
currentState := api.PodState{
Host: "machine",
}
runningState := docker.Container{
State: docker.State{
Running: true,
runningState := api.ContainerStatus{
State: api.ContainerState{
Running: &api.ContainerStateRunning{},
},
}
stoppedState := docker.Container{
State: docker.State{
Running: false,
stoppedState := api.ContainerStatus{
State: api.ContainerState{
Termination: &api.ContainerStateTerminated{},
},
}
@@ -376,14 +376,7 @@ func TestMakePodStatus(t *testing.T) {
status api.PodStatus
test string
}{
{
&api.Pod{
DesiredState: desiredState,
CurrentState: currentState,
},
api.PodWaiting,
"waiting",
},
{&api.Pod{DesiredState: desiredState, CurrentState: currentState}, api.PodWaiting, "waiting"},
{
&api.Pod{
DesiredState: desiredState,
@@ -398,7 +391,7 @@ func TestMakePodStatus(t *testing.T) {
&api.Pod{
DesiredState: desiredState,
CurrentState: api.PodState{
Info: map[string]docker.Container{
Info: map[string]api.ContainerStatus{
"containerA": runningState,
"containerB": runningState,
},
@@ -412,7 +405,7 @@ func TestMakePodStatus(t *testing.T) {
&api.Pod{
DesiredState: desiredState,
CurrentState: api.PodState{
Info: map[string]docker.Container{
Info: map[string]api.ContainerStatus{
"containerA": runningState,
"containerB": runningState,
},
@@ -426,7 +419,7 @@ func TestMakePodStatus(t *testing.T) {
&api.Pod{
DesiredState: desiredState,
CurrentState: api.PodState{
Info: map[string]docker.Container{
Info: map[string]api.ContainerStatus{
"containerA": stoppedState,
"containerB": stoppedState,
},
@@ -440,7 +433,7 @@ func TestMakePodStatus(t *testing.T) {
&api.Pod{
DesiredState: desiredState,
CurrentState: api.PodState{
Info: map[string]docker.Container{
Info: map[string]api.ContainerStatus{
"containerA": stoppedState,
"containerB": stoppedState,
},
@@ -454,7 +447,7 @@ func TestMakePodStatus(t *testing.T) {
&api.Pod{
DesiredState: desiredState,
CurrentState: api.PodState{
Info: map[string]docker.Container{
Info: map[string]api.ContainerStatus{
"containerA": runningState,
"containerB": stoppedState,
},
@@ -468,7 +461,7 @@ func TestMakePodStatus(t *testing.T) {
&api.Pod{
DesiredState: desiredState,
CurrentState: api.PodState{
Info: map[string]docker.Container{
Info: map[string]api.ContainerStatus{
"containerA": runningState,
},
Host: "machine",
@@ -566,12 +559,14 @@ func (f *FakePodInfoGetter) GetPodInfo(host, podID string) (api.PodInfo, error)
func TestFillPodInfo(t *testing.T) {
expectedIP := "1.2.3.4"
fakeGetter := FakePodInfoGetter{
info: map[string]docker.Container{
info: map[string]api.ContainerStatus{
"net": {
ID: "foobar",
Path: "bin/run.sh",
NetworkSettings: &docker.NetworkSettings{
IPAddress: expectedIP,
DetailInfo: docker.Container{
ID: "foobar",
Path: "bin/run.sh",
NetworkSettings: &docker.NetworkSettings{
IPAddress: expectedIP,
},
},
},
},
@@ -592,10 +587,12 @@ func TestFillPodInfo(t *testing.T) {
func TestFillPodInfoNoData(t *testing.T) {
expectedIP := ""
fakeGetter := FakePodInfoGetter{
info: map[string]docker.Container{
info: map[string]api.ContainerStatus{
"net": {
ID: "foobar",
Path: "bin/run.sh",
DetailInfo: docker.Container{
ID: "foobar",
Path: "bin/run.sh",
},
},
},
}