// namespacePodList lists all pods for which we have metrics in a particular namespace
func (a *HistoricalApi) namespacePodList(request *restful.Request, response *restful.Response) {
if resp, err := a.historicalSource.GetPodsFromNamespace(request.PathParameter("namespace-name")); err != nil {
response.WriteError(http.StatusInternalServerError, err)
} else {
response.WriteEntity(resp)
}
}
func (a *Api) nodeMetricsList(request *restful.Request, response *restful.Response) {
selector := request.QueryParameter("labelSelector")
labelSelector, err := labels.Parse(selector)
if err != nil {
errMsg := fmt.Errorf("Error while parsing selector %v: %v", selector, err)
glog.Error(errMsg)
response.WriteError(http.StatusBadRequest, errMsg)
return
}
nodes, err := a.nodeLister.NodeCondition(func(node *kube_api.Node) bool {
if labelSelector.Empty() {
return true
}
return labelSelector.Matches(labels.Set(node.Labels))
}).List()
if err != nil {
errMsg := fmt.Errorf("Error while listing nodes: %v", err)
glog.Error(errMsg)
response.WriteError(http.StatusInternalServerError, errMsg)
return
}
res := v1alpha1.NodeMetricsList{}
for _, node := range nodes {
if m := a.getNodeMetrics(node.Name); m != nil {
res.Items = append(res.Items, *m)
}
}
response.WriteEntity(&res)
}
func (s *server) serveAttach(req *restful.Request, resp *restful.Response) {
containerID := req.PathParameter("containerID")
if containerID == "" {
resp.WriteError(http.StatusBadRequest, errors.New("missing required containerID path parameter"))
return
}
streamOpts, err := remotecommand.NewOptions(req.Request)
if err != nil {
resp.WriteError(http.StatusBadRequest, err)
return
}
remotecommand.ServeAttach(
resp.ResponseWriter,
req.Request,
s.runtime,
"", // unused: podName
"", // unusued: podUID
containerID,
streamOpts,
s.config.StreamIdleTimeout,
s.config.StreamCreationTimeout,
s.config.SupportedProtocols)
}
// availableNamespaceMetrics returns a list of available namespace metric names.
func (a *HistoricalApi) availableNamespaceMetrics(request *restful.Request, response *restful.Response) {
key := core.HistoricalKey{
ObjectType: core.MetricSetTypeNamespace,
NamespaceName: request.PathParameter("namespace-name"),
}
a.processMetricNamesRequest(key, response)
}
func (s *server) serveAttach(req *restful.Request, resp *restful.Response) {
token := req.PathParameter("token")
cachedRequest, ok := s.cache.Consume(token)
if !ok {
http.NotFound(resp.ResponseWriter, req.Request)
return
}
attach, ok := cachedRequest.(*runtimeapi.AttachRequest)
if !ok {
http.NotFound(resp.ResponseWriter, req.Request)
return
}
streamOpts := &remotecommand.Options{
Stdin: attach.GetStdin(),
Stdout: true,
Stderr: !attach.GetTty(),
TTY: attach.GetTty(),
}
remotecommand.ServeAttach(
resp.ResponseWriter,
req.Request,
s.runtime,
"", // unused: podName
"", // unusued: podUID
attach.GetContainerId(),
streamOpts,
s.config.StreamIdleTimeout,
s.config.StreamCreationTimeout,
s.config.SupportedProtocols)
}
func podMetricsInNamespaceList(a *Api, request *restful.Request, response *restful.Response, namespace string) {
selector := request.QueryParameter("labelSelector")
labelSelector, err := labels.Parse(selector)
if err != nil {
errMsg := fmt.Errorf("Error while parsing selector %v: %v", selector, err)
glog.Error(errMsg)
response.WriteError(http.StatusBadRequest, errMsg)
return
}
pods, err := a.podLister.Pods(namespace).List(labelSelector)
if err != nil {
errMsg := fmt.Errorf("Error while listing pods for selector %v: %v", selector, err)
glog.Error(errMsg)
response.WriteError(http.StatusInternalServerError, errMsg)
return
}
res := v1alpha1.PodMetricsList{}
for _, pod := range pods.Items {
if m := a.getPodMetrics(&pod); m != nil {
res.Items = append(res.Items, *m)
} else {
glog.Infof("No metrics for pod %s/%s", pod.Namespace, pod.Name)
}
}
response.WriteEntity(&res)
}
// namespaceAggregations returns a metric timeseries for a metric of the Namespace entity.
func (a *HistoricalApi) namespaceAggregations(request *restful.Request, response *restful.Response) {
key := core.HistoricalKey{
ObjectType: core.MetricSetTypeNamespace,
NamespaceName: request.PathParameter("namespace-name"),
}
a.processAggregationRequest(key, request, response)
}
// nodeMetrics returns a metric timeseries for a metric of the Node entity.
func (a *HistoricalApi) nodeMetrics(request *restful.Request, response *restful.Response) {
key := core.HistoricalKey{
ObjectType: core.MetricSetTypeNode,
NodeName: request.PathParameter("node-name"),
}
a.processMetricRequest(key, request, response)
}
// Handles deploy from file API call.
func (apiHandler *ApiHandler) handleDeployFromFile(request *restful.Request, response *restful.Response) {
deploymentSpec := new(AppDeploymentFromFileSpec)
if err := request.ReadEntity(deploymentSpec); err != nil {
handleInternalError(response, err)
return
}
isDeployed, err := DeployAppFromFile(
deploymentSpec, CreateObjectFromInfoFn, apiHandler.clientConfig)
if !isDeployed {
handleInternalError(response, err)
return
}
errorMessage := ""
if err != nil {
errorMessage = err.Error()
}
response.WriteHeaderAndEntity(http.StatusCreated, AppDeploymentFromFileResponse{
Name: deploymentSpec.Name,
Content: deploymentSpec.Content,
Error: errorMessage,
})
}
// processMetricRequest retrieves a metric for the object at the requested key.
func (a *HistoricalApi) processMetricRequest(key core.HistoricalKey, request *restful.Request, response *restful.Response) {
start, end, err := getStartEndTimeHistorical(request)
if err != nil {
response.WriteError(http.StatusBadRequest, err)
return
}
labels, err := getLabels(request)
if err != nil {
response.WriteError(http.StatusBadRequest, err)
return
}
metricName := request.PathParameter("metric-name")
convertedMetricName := convertMetricName(metricName)
var metrics map[core.HistoricalKey][]core.TimestampedMetricValue
if labels != nil {
metrics, err = a.historicalSource.GetLabeledMetric(convertedMetricName, labels, []core.HistoricalKey{key}, start, end)
} else {
metrics, err = a.historicalSource.GetMetric(convertedMetricName, []core.HistoricalKey{key}, start, end)
}
if err != nil {
response.WriteError(http.StatusInternalServerError, err)
return
}
converted := exportTimestampedMetricValue(metrics[key])
response.WriteEntity(converted)
}
// parseMetricRequest returns a MetricRequest from the metric-related query and path parameters of the request.
func parseMetricRequest(request *restful.Request, response *restful.Response) model_api.MetricRequest {
return model_api.MetricRequest{
MetricName: request.PathParameter("metric-name"),
Start: parseRequestParam("start", request, response),
End: parseRequestParam("end", request, response),
}
}
// freeContainerMetrics returns a metric timeseries for a metric of the Container entity.
// freeContainerMetrics addresses only free containers, by using the node-name/container-name path.
func (a *Api) freeContainerMetrics(request *restful.Request, response *restful.Response) {
a.processMetricRequest(
core.NodeContainerKey(request.PathParameter("node-name"),
request.PathParameter("container-name"),
),
request, response)
}
// nodeSystemContainerList lists all system containers on a node for which we have metrics
func (a *HistoricalApi) nodeSystemContainerList(request *restful.Request, response *restful.Response) {
if resp, err := a.historicalSource.GetSystemContainersFromNode(request.PathParameter("node-name")); err != nil {
response.WriteError(http.StatusInternalServerError, err)
} else {
response.WriteEntity(resp)
}
}
// nodePods returns a list of all the available API paths that are available for a node.
func (a *Api) nodePods(request *restful.Request, response *restful.Response) {
model := a.manager.GetModel()
if model == nil {
response.WriteError(400, errModelNotActivated)
}
node := request.PathParameter("node-name")
response.WriteEntity(makeExternalEntityList(model.GetNodePods(node)))
}
// allPods returns a list of all the available pods in the cluster.
func (a *Api) allPods(request *restful.Request, response *restful.Response) {
cluster := a.manager.GetCluster()
if cluster == nil {
response.WriteError(400, errModelNotActivated)
}
namespace := request.PathParameter("namespace-name")
response.WriteEntity(cluster.GetPods(namespace))
}
// allFreeContainers returns a list of all the available free containers in the cluster.
func (a *Api) allFreeContainers(request *restful.Request, response *restful.Response) {
cluster := a.manager.GetCluster()
if cluster == nil {
response.WriteError(400, errModelNotActivated)
}
node := request.PathParameter("node-name")
response.WriteEntity(cluster.GetFreeContainers(node))
}
// freeContainerAggregations returns a metric timeseries for a metric of the Container entity.
// freeContainerAggregations addresses only free containers.
func (a *HistoricalApi) freeContainerAggregations(request *restful.Request, response *restful.Response) {
key := core.HistoricalKey{
ObjectType: core.MetricSetTypeSystemContainer,
NodeName: request.PathParameter("node-name"),
ContainerName: request.PathParameter("container-name"),
}
a.processAggregationRequest(key, request, response)
}
// Handle node stats API call.
func (apiHandler *ApiHandler) handleGetNodeStats(request *restful.Request, response *restful.Response) {
name := request.PathParameter("name")
result, err := GetNodeStats(name)
if err != nil {
handleInternalError(response, err)
return
}
response.WriteHeaderAndEntity(http.StatusCreated, result)
}
// Handles get secrets list API call.
func (apiHandler *ApiHandler) handleGetSecrets(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
result, err := GetSecrets(apiHandler.client, namespace)
if err != nil {
handleInternalError(response, err)
return
}
response.WriteHeaderAndEntity(http.StatusOK, result)
}
// Handles protocol validation API call.
func (apiHandler *ApiHandler) handleProtocolValidity(request *restful.Request, response *restful.Response) {
spec := new(ProtocolValiditySpec)
if err := request.ReadEntity(spec); err != nil {
handleInternalError(response, err)
return
}
response.WriteHeaderAndEntity(http.StatusCreated, ValidateProtocol(spec))
}
// Handles get node detail API call.
func (apiHandler *ApiHandler) handleGetNodeDetail(request *restful.Request, response *restful.Response) {
name := request.PathParameter("name")
result, err := node.GetNodeDetail(apiHandler.client, apiHandler.heapsterClient, name)
if err != nil {
handleInternalError(response, err)
return
}
response.WriteHeaderAndEntity(http.StatusCreated, result)
}
// podListMetrics returns a list of metric timeseries for each for the listed nodes
func (a *HistoricalApi) podListMetrics(request *restful.Request, response *restful.Response) {
start, end, err := getStartEndTimeHistorical(request)
if err != nil {
response.WriteError(http.StatusBadRequest, err)
return
}
keys := []core.HistoricalKey{}
if request.PathParameter("pod-id-list") != "" {
for _, podId := range strings.Split(request.PathParameter("pod-id-list"), ",") {
key := core.HistoricalKey{
ObjectType: core.MetricSetTypePod,
PodId: podId,
}
keys = append(keys, key)
}
} else {
for _, podName := range strings.Split(request.PathParameter("pod-list"), ",") {
key := core.HistoricalKey{
ObjectType: core.MetricSetTypePod,
NamespaceName: request.PathParameter("namespace-name"),
PodName: podName,
}
keys = append(keys, key)
}
}
labels, err := getLabels(request)
if err != nil {
response.WriteError(http.StatusBadRequest, err)
return
}
metricName := request.PathParameter("metric-name")
convertedMetricName := convertMetricName(metricName)
var metrics map[core.HistoricalKey][]core.TimestampedMetricValue
if labels != nil {
metrics, err = a.historicalSource.GetLabeledMetric(convertedMetricName, labels, keys, start, end)
} else {
metrics, err = a.historicalSource.GetMetric(convertedMetricName, keys, start, end)
}
if err != nil {
response.WriteError(http.StatusInternalServerError, err)
return
}
result := types.MetricResultList{
Items: make([]types.MetricResult, 0, len(keys)),
}
for _, key := range keys {
result.Items = append(result.Items, exportTimestampedMetricValue(metrics[key]))
}
response.PrettyPrint(false)
response.WriteEntity(result)
}
func (a *Api) nodeMetrics(request *restful.Request, response *restful.Response) {
node := request.PathParameter("node-name")
m := a.getNodeMetrics(node)
if m == nil {
response.WriteError(http.StatusNotFound, fmt.Errorf("No metrics for ode %v", node))
return
}
response.WriteEntity(m)
}
// allPodContainers returns a list of all the available pod containers in the model.
func (a *Api) allPodContainers(request *restful.Request, response *restful.Response) {
model := a.manager.GetModel()
if model == nil {
response.WriteError(400, errModelNotActivated)
return
}
namespace := request.PathParameter("namespace-name")
pod := request.PathParameter("pod-name")
response.WriteEntity(makeExternalEntityList(model.GetPodContainers(namespace, pod)))
}
// Handles event API call.
func (apiHandler *ApiHandler) handleEvents(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
replicationController := request.PathParameter("replicationController")
result, err := GetEvents(apiHandler.client, namespace, replicationController)
if err != nil {
handleInternalError(response, err)
return
}
response.WriteHeaderAndEntity(http.StatusCreated, result)
}
func getStartEndTime(request *restful.Request) (time.Time, time.Time, error) {
start, err := parseTimeParam(request.QueryParameter("start"), time.Time{})
if err != nil {
return time.Time{}, time.Time{}, err
}
end, err := parseTimeParam(request.QueryParameter("end"), nowFunc())
if err != nil {
return time.Time{}, time.Time{}, err
}
return start, end, nil
}
func (a *Api) derivedNodeMetrics(request *restful.Request, response *restful.Response) {
model := a.manager.GetModel()
if model == nil {
response.WriteError(400, errModelNotActivated)
}
metrics, err := getNodeMetrics(model, request.PathParameter("node-name"))
if err != nil {
response.WriteError(400, err)
}
response.WriteEntity(metrics)
}
func (apiHandler *ApiHandler) handleGetPodContainers(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
podId := request.PathParameter("pod")
result, err := GetPodContainers(apiHandler.client, namespace, podId)
if err != nil {
handleInternalError(response, err)
return
}
response.WriteHeaderAndEntity(http.StatusCreated, result)
}
// parseNamespacePathParameter parses namespace selector for list pages in path paramater.
// The namespace selector is a comma separated list of namespaces that are trimmed.
// No namespaces means "view all user namespaces", i.e., everything except kube-system.
func parseNamespacePathParameter(request *restful.Request) *common.NamespaceQuery {
namespace := request.PathParameter("namespace")
namespaces := strings.Split(namespace, ",")
var nonEmptyNamespaces []string
for _, n := range namespaces {
n = strings.Trim(n, " ")
if len(n) > 0 {
nonEmptyNamespaces = append(nonEmptyNamespaces, n)
}
}
return common.NewNamespaceQuery(nonEmptyNamespaces)
}
func (a *Api) processMetricRequest(key string, request *restful.Request, response *restful.Response) {
start, end, err := getStartEndTime(request)
if err != nil {
response.WriteError(http.StatusBadRequest, err)
return
}
metricName := request.PathParameter("metric-name")
convertedMetricName := convertMetricName(metricName)
metrics := a.metricSink.GetMetric(convertedMetricName, []string{key}, start, end)
converted := exportTimestampedMetricValue(metrics[key])
response.WriteEntity(converted)
}
