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Introduce PodStatusResult, and deprecate PodContainerInfo.

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This commit is contained in:
Dawn Chen
2015-01-13 18:11:24 -08:00
parent 53bef57b34
commit 15e9fa8a9d
19 changed files with 189 additions and 98 deletions
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28
pkg/client/kubelet.go
View File

@@ -46,9 +46,9 @@ type KubeletHealthChecker interface {
// PodInfoGetter is an interface for things that can get information about a pod's containers.
// Injectable for easy testing.
type PodInfoGetter interface {
// GetPodInfo returns information about all containers which are part
// Returns an api.PodInfo, or an error if one occurs.
GetPodInfo(host, podNamespace, podID string) (api.PodContainerInfo, error)
// GetPodStatus returns information about all containers which are part
// Returns an api.PodStatus, or an error if one occurs.
GetPodStatus(host, podNamespace, podID string) (api.PodStatusResult, error)
}
// HTTPKubeletClient is the default implementation of PodInfoGetter and KubeletHealthchecker, accesses the kubelet over HTTP.
@@ -95,7 +95,7 @@ func (c *HTTPKubeletClient) url(host string) string {
}
// GetPodInfo gets information about the specified pod.
func (c *HTTPKubeletClient) GetPodInfo(host, podNamespace, podID string) (api.PodContainerInfo, error) {
func (c *HTTPKubeletClient) GetPodStatus(host, podNamespace, podID string) (api.PodStatusResult, error) {
request, err := http.NewRequest(
"GET",
fmt.Sprintf(
@@ -104,28 +104,28 @@ func (c *HTTPKubeletClient) GetPodInfo(host, podNamespace, podID string) (api.Po
podID,
podNamespace),
nil)
info := api.PodContainerInfo{}
status := api.PodStatusResult{}
if err != nil {
return info, err
return status, err
}
response, err := c.Client.Do(request)
if err != nil {
return info, err
return status, err
}
defer response.Body.Close()
if response.StatusCode == http.StatusNotFound {
return info, ErrPodInfoNotAvailable
return status, ErrPodInfoNotAvailable
}
body, err := ioutil.ReadAll(response.Body)
if err != nil {
return info, err
return status, err
}
// Check that this data can be unmarshalled
err = latest.Codec.DecodeInto(body, &info)
err = latest.Codec.DecodeInto(body, &status)
if err != nil {
return info, err
return status, err
}
return info, nil
return status, nil
}
func (c *HTTPKubeletClient) HealthCheck(host string) (health.Status, error) {
@@ -138,8 +138,8 @@ func (c *HTTPKubeletClient) HealthCheck(host string) (health.Status, error) {
type FakeKubeletClient struct{}
// GetPodInfo is a fake implementation of PodInfoGetter.GetPodInfo.
func (c FakeKubeletClient) GetPodInfo(host, podNamespace string, podID string) (api.PodContainerInfo, error) {
return api.PodContainerInfo{}, errors.New("Not Implemented")
func (c FakeKubeletClient) GetPodStatus(host, podNamespace string, podID string) (api.PodStatusResult, error) {
return api.PodStatusResult{}, errors.New("Not Implemented")
}
func (c FakeKubeletClient) HealthCheck(host string) (health.Status, error) {

15
pkg/client/kubelet_test.go
View File

@@ -31,9 +31,12 @@ import (
)
func TestHTTPKubeletClient(t *testing.T) {
expectObj := api.PodContainerInfo{
ContainerInfo: map[string]api.ContainerStatus{
"myID": {},
expectObj := api.PodStatusResult{
Status: api.PodStatus{
Info: map[string]api.ContainerStatus{
"myID1": {},
"myID2": {},
},
},
}
body, err := json.Marshal(expectObj)
@@ -64,13 +67,13 @@ func TestHTTPKubeletClient(t *testing.T) {
Client: http.DefaultClient,
Port: uint(port),
}
gotObj, err := podInfoGetter.GetPodInfo(parts[0], api.NamespaceDefault, "foo")
gotObj, err := podInfoGetter.GetPodStatus(parts[0], api.NamespaceDefault, "foo")
if err != nil {
t.Errorf("unexpected error: %v", err)
}
// reflect.DeepEqual(expectObj, gotObj) doesn't handle blank times well
if len(gotObj.ContainerInfo) != len(expectObj.ContainerInfo) {
if len(gotObj.Status.Info) != len(expectObj.Status.Info) {
t.Errorf("Unexpected response. Expected: %#v, received %#v", expectObj, gotObj)
}
}
@@ -109,7 +112,7 @@ func TestHTTPKubeletClientNotFound(t *testing.T) {
Client: http.DefaultClient,
Port: uint(port),
}
_, err = podInfoGetter.GetPodInfo(parts[0], api.NamespaceDefault, "foo")
_, err = podInfoGetter.GetPodStatus(parts[0], api.NamespaceDefault, "foo")
if err != ErrPodInfoNotAvailable {
t.Errorf("Expected %#v, Got %#v", ErrPodInfoNotAvailable, err)
}