Golang WebService.QueryParameter方法代碼示例

func (a *Api) Register(container *restful.Container) {
	ws := new(restful.WebService)
	ws.Path("/apis/metrics/v1alpha1").
		Doc("Root endpoint of metrics API").
		Produces(restful.MIME_JSON)

	ws.Route(ws.GET("/nodes/").
		To(a.nodeMetricsList).
		Doc("Get a list of metrics for all available nodes.").
		Operation("nodeMetricsList"))

	ws.Route(ws.GET("/nodes/{node-name}/").
		To(a.nodeMetrics).
		Doc("Get a list of all available metrics for the specified node.").
		Operation("nodeMetrics").
		Param(ws.PathParameter("node-name", "The name of the node to lookup").DataType("string")))

	ws.Route(ws.GET("/namespaces/{namespace-name}/pods/").
		To(a.podMetricsList).
		Doc("Get a list of metrics for all available pods in the specified namespace.").
		Operation("podMetricsList").
		Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string"))).
		Param(ws.QueryParameter("labelSelector", "A selector to restrict the list of returned objects by their labels. Defaults to everything.").DataType("string"))

	ws.Route(ws.GET("/namespaces/{namespace-name}/pods/{pod-name}/").
		To(a.podMetrics).
		Doc("Get metrics for the specified pod in the specified namespace.").
		Operation("podMetrics").
		Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")).
		Param(ws.PathParameter("pod-name", "The name of the pod to lookup").DataType("string")))

	container.Add(ws)
}

func main() {
	ws := new(restful.WebService)
	ws.Path("/itrain").Consumes(restful.MIME_JSON).Produces(restful.MIME_JSON)
	ws.Route(ws.GET("/version").
		To(report_version).
		Doc("get itrain version number").
		Operation("version"))

	ws.Route(ws.GET("/report_inverter").
		To(report_inverter).
		Doc("get inverter report data").
		Operation("report_inverter").
		Param(ws.QueryParameter("sd", "startdate")))

	restful.Add(ws)

	config := swagger.Config{
		WebServices:    restful.DefaultContainer.RegisteredWebServices(), // you control what services are visible
		WebServicesUrl: "/",
		ApiPath:        "/apidocs.json",
		// specifiy where the UI is located
		SwaggerPath:     "/apidocs/",
		SwaggerFilePath: "./swaggerui"}
	swagger.RegisterSwaggerService(config, restful.DefaultContainer)

	var (
		hostname string = "127.0.0.1"
		port     int    = 8080
	)
	// Listen on hostname:port
	fmt.Printf("Listening on %s:%d...\n", hostname, port)
	err := http.ListenAndServe(fmt.Sprintf("%s:%d", hostname, port), nil)
	if err != nil {
		log.Fatal("Error: ", err)
	}

}

// addClusterMetricsRoutes adds all the standard model routes to a WebService.
// It should already have a base path registered.
func addClusterMetricsRoutes(a clusterMetricsFetcher, ws *restful.WebService) {
	// The /metrics/ endpoint returns a list of all available metrics for the Cluster entity of the model.
	ws.Route(ws.GET("/metrics/").
		To(metrics.InstrumentRouteFunc("availableClusterMetrics", a.availableClusterMetrics)).
		Doc("Get a list of all available metrics for the Cluster entity").
		Operation("availableClusterMetrics"))

	// The /metrics/{metric-name} endpoint exposes an aggregated metric for the Cluster entity of the model.
	ws.Route(ws.GET("/metrics/{metric-name:*}").
		To(metrics.InstrumentRouteFunc("clusterMetrics", a.clusterMetrics)).
		Doc("Export an aggregated cluster-level metric").
		Operation("clusterMetrics").
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metric").DataType("string")).
		Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
		Param(ws.QueryParameter("labels", "A comma-separated list of key:values pairs to use to search for a labeled metric").DataType("string")).
		Writes(types.MetricResult{}))

	// The /nodes/{node-name}/metrics endpoint returns a list of all nodes with some metrics.
	ws.Route(ws.GET("/nodes/").
		To(metrics.InstrumentRouteFunc("nodeList", a.nodeList)).
		Doc("Get a list of all nodes that have some current metrics").
		Operation("nodeList"))

	// The /nodes/{node-name}/metrics endpoint returns a list of all available metrics for a Node entity.
	ws.Route(ws.GET("/nodes/{node-name}/metrics/").
		To(metrics.InstrumentRouteFunc("availableNodeMetrics", a.availableNodeMetrics)).
		Doc("Get a list of all available metrics for a Node entity").
		Operation("availableNodeMetrics").
		Param(ws.PathParameter("node-name", "The name of the node to lookup").DataType("string")))

	// The /nodes/{node-name}/metrics/{metric-name} endpoint exposes a metric for a Node entity of the model.
	// The {node-name} parameter is the hostname of a specific node.
	ws.Route(ws.GET("/nodes/{node-name}/metrics/{metric-name:*}").
		To(metrics.InstrumentRouteFunc("nodeMetrics", a.nodeMetrics)).
		Doc("Export a node-level metric").
		Operation("nodeMetrics").
		Param(ws.PathParameter("node-name", "The name of the node to lookup").DataType("string")).
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metric").DataType("string")).
		Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
		Param(ws.QueryParameter("labels", "A comma-separated list of key:values pairs to use to search for a labeled metric").DataType("string")).
		Writes(types.MetricResult{}))

	if a.isRunningInKubernetes() {

		ws.Route(ws.GET("/namespaces/").
			To(metrics.InstrumentRouteFunc("namespaceList", a.namespaceList)).
			Doc("Get a list of all namespaces that have some current metrics").
			Operation("namespaceList"))

		// The /namespaces/{namespace-name}/metrics endpoint returns a list of all available metrics for a Namespace entity.
		ws.Route(ws.GET("/namespaces/{namespace-name}/metrics").
			To(metrics.InstrumentRouteFunc("availableNamespaceMetrics", a.availableNamespaceMetrics)).
			Doc("Get a list of all available metrics for a Namespace entity").
			Operation("availableNamespaceMetrics").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")))

		// The /namespaces/{namespace-name}/metrics/{metric-name} endpoint exposes an aggregated metrics
		// for a Namespace entity of the model.
		ws.Route(ws.GET("/namespaces/{namespace-name}/metrics/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("namespaceMetrics", a.namespaceMetrics)).
			Doc("Export an aggregated namespace-level metric").
			Operation("namespaceMetrics").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
			Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
			Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
			Param(ws.QueryParameter("labels", "A comma-separated list of key:values pairs to use to search for a labeled metric").DataType("string")).
			Writes(types.MetricResult{}))

		ws.Route(ws.GET("/namespaces/{namespace-name}/pods/").
			To(metrics.InstrumentRouteFunc("namespacePodList", a.namespacePodList)).
			Doc("Get a list of pods from the given namespace that have some metrics").
			Operation("namespacePodList").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")))

		// The /namespaces/{namespace-name}/pods/{pod-name}/metrics endpoint returns a list of all available metrics for a Pod entity.
		ws.Route(ws.GET("/namespaces/{namespace-name}/pods/{pod-name}/metrics").
			To(metrics.InstrumentRouteFunc("availablePodMetrics", a.availablePodMetrics)).
			Doc("Get a list of all available metrics for a Pod entity").
			Operation("availablePodMetrics").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")).
			Param(ws.PathParameter("pod-name", "The name of the pod to lookup").DataType("string")))

		// The /namespaces/{namespace-name}/pods/{pod-name}/metrics/{metric-name} endpoint exposes
		// an aggregated metric for a Pod entity of the model.
		ws.Route(ws.GET("/namespaces/{namespace-name}/pods/{pod-name}/metrics/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("podMetrics", a.podMetrics)).
			Doc("Export an aggregated pod-level metric").
			Operation("podMetrics").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")).
			Param(ws.PathParameter("pod-name", "The name of the pod to lookup").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
			Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
			Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
			Param(ws.QueryParameter("labels", "A comma-separated list of key:values pairs to use to search for a labeled metric").DataType("string")).
			Writes(types.MetricResult{}))
//.........這裏部分代碼省略.........

// addAggregationRoutes adds routes to a webservice which point to a metricsAggregationFetcher's methods
func addAggregationRoutes(a metricsAggregationFetcher, ws *restful.WebService) {
	// The /metrics-aggregated/{aggregations}/{metric-name} endpoint exposes some aggregations for the Cluster entity of the historical API.
	ws.Route(ws.GET("/metrics-aggregated/{aggregations}/{metric-name:*}").
		To(metrics.InstrumentRouteFunc("clusterMetrics", a.clusterAggregations)).
		Doc("Export some cluster-level metric aggregations").
		Operation("clusterAggregations").
		Param(ws.PathParameter("aggregations", "A comma-separated list of requested aggregations").DataType("string")).
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metric").DataType("string")).
		Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
		Param(ws.QueryParameter("labels", "A comma-separated list of key:values pairs to use to search for a labeled metric").DataType("string")).
		Writes(types.MetricAggregationResult{}))

	// The /nodes/{node-name}/metrics-aggregated/{aggregations}/{metric-name} endpoint exposes some aggregations for a Node entity of the historical API.
	// The {node-name} parameter is the hostname of a specific node.
	ws.Route(ws.GET("/nodes/{node-name}/metrics-aggregated/{aggregations}/{metric-name:*}").
		To(metrics.InstrumentRouteFunc("nodeMetrics", a.nodeAggregations)).
		Doc("Export a node-level metric").
		Operation("nodeAggregations").
		Param(ws.PathParameter("node-name", "The name of the node to lookup").DataType("string")).
		Param(ws.PathParameter("aggregations", "A comma-separated list of requested aggregations").DataType("string")).
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metric").DataType("string")).
		Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
		Param(ws.QueryParameter("labels", "A comma-separated list of key:values pairs to use to search for a labeled metric").DataType("string")).
		Writes(types.MetricAggregationResult{}))

	if a.isRunningInKubernetes() {
		// The /namespaces/{namespace-name}/metrics-aggregated/{aggregations}/{metric-name} endpoint exposes some aggregations
		// for a Namespace entity of the historical API.
		ws.Route(ws.GET("/namespaces/{namespace-name}/metrics-aggregated/{aggregations}/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("namespaceMetrics", a.namespaceAggregations)).
			Doc("Export some namespace-level metric aggregations").
			Operation("namespaceAggregations").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")).
			Param(ws.PathParameter("aggregations", "A comma-separated list of requested aggregations").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
			Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
			Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
			Param(ws.QueryParameter("labels", "A comma-separated list of key:values pairs to use to search for a labeled metric").DataType("string")).
			Writes(types.MetricAggregationResult{}))

		// The /namespaces/{namespace-name}/pods/{pod-name}/metrics-aggregated/{aggregations}/{metric-name} endpoint exposes
		// some aggregations for a Pod entity of the historical API.
		ws.Route(ws.GET("/namespaces/{namespace-name}/pods/{pod-name}/metrics-aggregated/{aggregations}/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("podMetrics", a.podAggregations)).
			Doc("Export some pod-level metric aggregations").
			Operation("podAggregations").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")).
			Param(ws.PathParameter("pod-name", "The name of the pod to lookup").DataType("string")).
			Param(ws.PathParameter("aggregations", "A comma-separated list of requested aggregations").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
			Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
			Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
			Param(ws.QueryParameter("labels", "A comma-separated list of key:values pairs to use to search for a labeled metric").DataType("string")).
			Writes(types.MetricAggregationResult{}))

		// The /namespaces/{namespace-name}/pods/{pod-name}/containers/{container-name}/metrics-aggregated/{aggregations}/{metric-name} endpoint exposes
		// some aggregations for a Container entity of the historical API.
		ws.Route(ws.GET("/namespaces/{namespace-name}/pods/{pod-name}/containers/{container-name}/metrics-aggregated/{aggregations}/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("podContainerMetrics", a.podContainerAggregations)).
			Doc("Export some aggregations for a Pod Container").
			Operation("podContainerAggregations").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to use").DataType("string")).
			Param(ws.PathParameter("pod-name", "The name of the pod to use").DataType("string")).
			Param(ws.PathParameter("container-name", "The name of the namespace to use").DataType("string")).
			Param(ws.PathParameter("aggregations", "A comma-separated list of requested aggregations").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
			Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
			Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
			Param(ws.QueryParameter("labels", "A comma-separated list of key:values pairs to use to search for a labeled metric").DataType("string")).
			Writes(types.MetricAggregationResult{}))

		// The /pod-id/{pod-id}/metrics-aggregated/{aggregations}/{metric-name} endpoint exposes
		// some aggregations for a Pod entity of the historical API.
		ws.Route(ws.GET("/pod-id/{pod-id}/metrics-aggregated/{aggregations}/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("podMetrics", a.podAggregations)).
			Doc("Export some pod-level metric aggregations").
			Operation("podAggregations").
			Param(ws.PathParameter("pod-id", "The UID of the pod to lookup").DataType("string")).
			Param(ws.PathParameter("aggregations", "A comma-separated list of requested aggregations").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
			Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
			Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
			Param(ws.QueryParameter("labels", "A comma-separated list of key:values pairs to use to search for a labeled metric").DataType("string")).
			Writes(types.MetricAggregationResult{}))

		// The /pod-id/{pod-id}/containers/{container-name}/metrics-aggregated/{aggregations}/{metric-name} endpoint exposes
		// some aggregations for a Container entity of the historical API.
		ws.Route(ws.GET("/pod-id/{pod-id}/containers/{container-name}/metrics-aggregated/{aggregations}/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("podContainerMetrics", a.podContainerAggregations)).
			Doc("Export some aggregations for a Pod Container").
			Operation("podContainerAggregations").
			Param(ws.PathParameter("pod-id", "The name of the pod to use").DataType("string")).
			Param(ws.PathParameter("container-name", "The name of the namespace to use").DataType("string")).
			Param(ws.PathParameter("aggregations", "A comma-separated list of requested aggregations").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
			Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
			Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
//.........這裏部分代碼省略.........

// RegisterHistorical registers the Historical API endpoints.  It will register the same endpoints
// as those in the model API, plus endpoints for aggregation retrieval, and endpoints to retrieve pod
// metrics by using the pod id.
func (normalApi *Api) RegisterHistorical(container *restful.Container) {
	ws := new(restful.WebService)
	ws.Path("/api/v1/historical").
		Doc("Root endpoint of the historical access API").
		Consumes("*/*").
		Produces(restful.MIME_JSON)

	a := &HistoricalApi{normalApi}
	addClusterMetricsRoutes(a, ws)
	addAggregationRoutes(a, ws)

	// register the endpoint for fetching raw metrics based on pod id
	if a.isRunningInKubernetes() {
		// The /pod-id/{pod-id}/metrics-aggregated/{aggregations}/{metric-name} endpoint exposes
		// some aggregations for a Pod entity of the historical API.
		ws.Route(ws.GET("/pod-id/{pod-id}/metrics/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("podMetrics", a.podMetrics)).
			Doc("Export some pod-level metric aggregations").
			Operation("podAggregations").
			Param(ws.PathParameter("pod-id", "The UID of the pod to lookup").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
			Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
			Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
			Writes(types.MetricResult{}))

		// The /pod-id/{pod-id}/containers/{container-name}/metrics-aggregated/{aggregations}/{metric-name} endpoint exposes
		// some aggregations for a Container entity of the historical API.
		ws.Route(ws.GET("/pod-id/{pod-id}/containers/{container-name}/metrics/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("podContainerMetrics", a.podContainerMetrics)).
			Doc("Export some aggregations for a Pod Container").
			Operation("podContainerAggregations").
			Param(ws.PathParameter("pod-id", "The uid of the pod to use").DataType("string")).
			Param(ws.PathParameter("container-name", "The name of the namespace to use").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
			Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
			Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
			Writes(types.MetricResult{}))

		// The /pod-id-list/{pod-id-list}/metrics-aggregated/{aggregations}/{metric-name} endpoint exposes
		// metrics for a list of pod ids of the historical API.
		ws.Route(ws.GET("/pod-id-list/{pod-id-list}/metrics/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("podListAggregations", a.podListMetrics)).
			Doc("Export an aggregation for all pods from the given list").
			Operation("podListAggregations").
			Param(ws.PathParameter("pod-id-list", "Comma separated list of pod UIDs to lookup").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
			Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
			Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
			Writes(types.MetricResultList{}))
	}

	container.Add(ws)
}

// RegisterModel registers the Model API endpoints.
// All endpoints that end with a {metric-name} also receive a start time query parameter.
// The start and end times should be specified as a string, formatted according to RFC 3339.
func (a *Api) RegisterModel(container *restful.Container) {
	ws := new(restful.WebService)
	ws.Path("/api/v1/model").
		Doc("Root endpoint of the stats model").
		Consumes("*/*").
		Produces(restful.MIME_JSON)

	// The /metrics/ endpoint returns a list of all available metrics for the Cluster entity of the model.
	ws.Route(ws.GET("/metrics/").
		To(metrics.InstrumentRouteFunc("availableClusterMetrics", a.availableClusterMetrics)).
		Doc("Get a list of all available metrics for the Cluster entity").
		Operation("availableClusterMetrics"))

	// The /metrics/{metric-name} endpoint exposes an aggregated metric for the Cluster entity of the model.
	ws.Route(ws.GET("/metrics/{metric-name:*}").
		To(metrics.InstrumentRouteFunc("clusterMetrics", a.clusterMetrics)).
		Doc("Export an aggregated cluster-level metric").
		Operation("clusterMetrics").
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metric").DataType("string")).
		Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
		Writes(types.MetricResult{}))

	// The /nodes/{node-name}/metrics endpoint returns a list of all nodes with some metrics.
	ws.Route(ws.GET("/nodes/").
		To(metrics.InstrumentRouteFunc("nodeList", a.nodeList)).
		Doc("Get a list of all nodes that have some current metrics").
		Operation("nodeList"))

	// The /nodes/{node-name}/metrics endpoint returns a list of all available metrics for a Node entity.
	ws.Route(ws.GET("/nodes/{node-name}/metrics/").
		To(metrics.InstrumentRouteFunc("availableNodeMetrics", a.availableNodeMetrics)).
		Doc("Get a list of all available metrics for a Node entity").
		Operation("availableNodeMetrics").
		Param(ws.PathParameter("node-name", "The name of the node to lookup").DataType("string")))

	// The /nodes/{node-name}/metrics/{metric-name} endpoint exposes a metric for a Node entity of the model.
	// The {node-name} parameter is the hostname of a specific node.
	ws.Route(ws.GET("/nodes/{node-name}/metrics/{metric-name:*}").
		To(metrics.InstrumentRouteFunc("nodeMetrics", a.nodeMetrics)).
		Doc("Export a node-level metric").
		Operation("nodeMetrics").
		Param(ws.PathParameter("node-name", "The name of the node to lookup").DataType("string")).
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metric").DataType("string")).
		Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
		Writes(types.MetricResult{}))

	if a.runningInKubernetes {

		ws.Route(ws.GET("/namespaces/").
			To(metrics.InstrumentRouteFunc("namespaceList", a.namespaceList)).
			Doc("Get a list of all namespaces that have some current metrics").
			Operation("namespaceList"))

		// The /namespaces/{namespace-name}/metrics endpoint returns a list of all available metrics for a Namespace entity.
		ws.Route(ws.GET("/namespaces/{namespace-name}/metrics").
			To(metrics.InstrumentRouteFunc("availableNamespaceMetrics", a.availableNamespaceMetrics)).
			Doc("Get a list of all available metrics for a Namespace entity").
			Operation("availableNamespaceMetrics").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")))

		// The /namespaces/{namespace-name}/metrics/{metric-name} endpoint exposes an aggregated metrics
		// for a Namespace entity of the model.
		ws.Route(ws.GET("/namespaces/{namespace-name}/metrics/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("namespaceMetrics", a.namespaceMetrics)).
			Doc("Export an aggregated namespace-level metric").
			Operation("namespaceMetrics").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
			Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
			Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
			Writes(types.MetricResult{}))

		ws.Route(ws.GET("/namespaces/{namespace-name}/pods/").
			To(metrics.InstrumentRouteFunc("namespacePodList", a.namespacePodList)).
			Doc("Get a list of pods from the given namespace that have some metrics").
			Operation("namespacePodList").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")))

		// The /namespaces/{namespace-name}/pods/{pod-name}/metrics endpoint returns a list of all available metrics for a Pod entity.
		ws.Route(ws.GET("/namespaces/{namespace-name}/pods/{pod-name}/metrics").
			To(metrics.InstrumentRouteFunc("availablePodMetrics", a.availablePodMetrics)).
			Doc("Get a list of all available metrics for a Pod entity").
			Operation("availablePodMetrics").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")).
			Param(ws.PathParameter("pod-name", "The name of the pod to lookup").DataType("string")))

		// The /namespaces/{namespace-name}/pods/{pod-name}/metrics/{metric-name} endpoint exposes
		// an aggregated metric for a Pod entity of the model.
		ws.Route(ws.GET("/namespaces/{namespace-name}/pods/{pod-name}/metrics/{metric-name:*}").
			To(metrics.InstrumentRouteFunc("podMetrics", a.podMetrics)).
			Doc("Export an aggregated pod-level metric").
			Operation("podMetrics").
			Param(ws.PathParameter("namespace-name", "The name of the namespace to lookup").DataType("string")).
			Param(ws.PathParameter("pod-name", "The name of the pod to lookup").DataType("string")).
			Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
//.........這裏部分代碼省略.........

// RegisterModel registers the Model API endpoints.
// All endpoints that end with a {metric-name} also receive a start time query parameter.
// The start and end times should be specified as a string, formatted according to RFC 3339.
func (a *Api) RegisterModel(container *restful.Container) {
	ws := new(restful.WebService)
	ws.
		Path("/api/v1/model").
		Doc("Root endpoint of the stats model").
		Consumes("*/*").
		Produces(restful.MIME_JSON)

	// The / endpoint returns a list of all the entities that are available in the model
	ws.Route(ws.GET("/").
		To(a.allEntities).
		Filter(compressionFilter).
		Doc("Get a list of all entities available in the model").
		Operation("allEntities"))

	// The /metrics/ endpoint returns a list of all available metrics for the Cluster entity of the model.
	ws.Route(ws.GET("/metrics/").
		To(a.availableMetrics).
		Filter(compressionFilter).
		Doc("Get a list of all available metrics for the Cluster entity").
		Operation("availableMetrics"))

	// The /stats/ endpoint returns a list of all available stats for the Cluster entity of the model.
	ws.Route(ws.GET("/stats/").
		To(a.clusterStats).
		Filter(compressionFilter).
		Doc("Get all available stats for the Cluster entity").
		Operation("clusterStats"))

	// The /metrics/{metric-name} endpoint exposes an aggregated metric for the Cluster entity of the model.
	ws.Route(ws.GET("/metrics/{metric-name}").
		To(a.clusterMetrics).
		Filter(compressionFilter).
		Doc("Export an aggregated cluster-level metric").
		Operation("clusterMetrics").
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metric").DataType("string")).
		Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
		Writes(types.MetricResult{}))

	// The /nodes/ endpoint returns a list of all Node entities in the cluster.
	ws.Route(ws.GET("/nodes/").
		To(a.allNodes).
		Filter(compressionFilter).
		Doc("Get a list of all Nodes in the model").
		Operation("allNodes").
		Writes(types.MetricResult{}))

	// The /nodes/{node-name} endpoint returns a list of all available API paths for a Node entity.
	ws.Route(ws.GET("/nodes/{node-name}").
		To(a.nodePaths).
		Filter(compressionFilter).
		Doc("Get a list of all available API paths for a Node entity").
		Operation("nodePaths").
		Param(ws.PathParameter("node-name", "The name of the node to lookup").DataType("string")))

	// The /nodes/{node-name}/stats endpoint returns all available derived stats for a Node entity.
	ws.Route(ws.GET("/nodes/{node-name}/stats/").
		To(a.nodeStats).
		Filter(compressionFilter).
		Doc("Get all available stats for a Node entity.").
		Operation("nodeStats").
		Param(ws.PathParameter("node-name", "The name of the node to lookup").DataType("string")))

	// The /nodes/{node-name}/metrics endpoint returns a list of all available metrics for a Node entity.
	ws.Route(ws.GET("/nodes/{node-name}/metrics/").
		To(a.availableMetrics).
		Filter(compressionFilter).
		Doc("Get a list of all available metrics for a Node entity").
		Operation("availableMetrics").
		Param(ws.PathParameter("node-name", "The name of the node to lookup").DataType("string")))

	// The /nodes/{node-name}/metrics/{metric-name} endpoint exposes a metric for a Node entity of the model.
	// The {node-name} parameter is the hostname of a specific node.
	ws.Route(ws.GET("/nodes/{node-name}/metrics/{metric-name}").
		To(a.nodeMetrics).
		Filter(compressionFilter).
		Doc("Export a node-level metric").
		Operation("nodeMetrics").
		Param(ws.PathParameter("node-name", "The name of the node to lookup").DataType("string")).
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metric").DataType("string")).
		Param(ws.QueryParameter("end", "End time for requested metric").DataType("string")).
		Writes(types.MetricResult{}))

	if a.runningInKubernetes {
		// The /namespaces/ endpoint returns a list of all Namespace entities in the model.
		ws.Route(ws.GET("/namespaces/").
			To(a.allNamespaces).
			Filter(compressionFilter).
			Doc("Get a list of all Namespaces in the model").
			Operation("allNamespaces"))

		// The /namespaces/{namespace-name} endpoint returns a list of all available API Paths for a Namespace entity.
		ws.Route(ws.GET("/namespaces/{namespace-name}").
			To(a.namespacePaths).
			Filter(compressionFilter).
//.........這裏部分代碼省略.........

// RegisterModel registers the Model API endpoints.
// All endpoints that end with a {metric-name} also receive a start time query parameter.
// The start time should be specified as a string, formatted according to RFC 3339.
func (a *Api) RegisterModel(container *restful.Container) {
	ws := new(restful.WebService)
	ws.
		Path("/api/v1/model").
		Doc("Root endpoint of the stats model").
		Consumes("*/*").
		Produces(restful.MIME_JSON)

	// The / endpoint returns a list of all the metrics that are available in the model
	ws.Route(ws.GET("/").
		To(a.availableMetrics).
		Filter(compressionFilter).
		Doc("Show which metrics are available").
		Operation("clusterMetrics"))

	// The /cluster/{metric-name} endpoint exposes an aggregated metric for the Cluster entity of the model.
	ws.Route(ws.GET("/cluster/{metric-name}").
		To(a.clusterMetrics).
		Filter(compressionFilter).
		Doc("Export an aggregated cluster-level metric").
		Operation("clusterMetrics").
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metric").DataType("string")).
		Writes(MetricResult{}))

	// The /nodes/{node-name}/{metric-name} endpoint exposes a metric for a Node entity of the model.
	// The {node-name} parameter is the hostname of a specific node.
	ws.Route(ws.GET("/nodes/{node-name}/{metric-name}").
		To(a.nodeMetrics).
		Filter(compressionFilter).
		Doc("Export a node-level metric").
		Operation("nodeMetrics").
		Param(ws.PathParameter("node-name", "The name of the node to lookup").DataType("string")).
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metric").DataType("string")).
		Writes(MetricResult{}))

	// The /namespaces/{namespace-name}/{metric-name} endpoint exposes an aggregated metrics
	// for a Namespace entity of the model.
	ws.Route(ws.GET("/namespaces/{namespace-name}/{metric-name}").
		To(a.namespaceMetrics).
		Filter(compressionFilter).
		Doc("Export an aggregated namespace-level metric").
		Operation("namespaceMetrics").
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
		Writes(MetricResult{}))

	// The /namespaces/{namespace-name}/pods/{pod-name}/{metric-name} endpoint exposes
	// an aggregated metric for a Pod entity of the model.
	ws.Route(ws.GET("/namespaces/{namespace-name}/pods/{pod-name}/{metric-name}").
		To(a.podMetrics).
		Filter(compressionFilter).
		Doc("Export an aggregated pod-level metric").
		Operation("podMetrics").
		Param(ws.PathParameter("namespace-name", "The name of the namespace to use").DataType("string")).
		Param(ws.PathParameter("pod-name", "The name of the pod to use").DataType("string")).
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
		Writes(MetricResult{}))

	// The /namespaces/{namespace-name}/pods/{pod-name}/containers/{container-name}/{metric-name} endpoint exposes
	// a metric for a Container entity of the model.
	ws.Route(ws.GET("/namespaces/{namespace-name}/pods/{pod-name}/containers/{container-name}/{metric-name}").
		To(a.podContainerMetrics).
		Filter(compressionFilter).
		Doc("Export an aggregated metric for a pod container").
		Operation("podContainerMetrics").
		Param(ws.PathParameter("namespace-name", "The name of the namespace to use").DataType("string")).
		Param(ws.PathParameter("pod-name", "The name of the pod to use").DataType("string")).
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
		Writes(MetricResult{}))

	// The /nodes/{node-name}/freecontainers/{container-name}/{metric-name} endpoint exposes
	// a metric for a free Container entity of the model.
	ws.Route(ws.GET("/nodes/{node-name}/freecontainers/{container-name}/{metric-name}").
		To(a.freeContainerMetrics).
		Filter(compressionFilter).
		Doc("Export a container-level metric for a free container").
		Operation("freeContainerMetrics").
		Param(ws.PathParameter("node-name", "The name of the node to use").DataType("string")).
		Param(ws.PathParameter("container-name", "The name of the container to use").DataType("string")).
		Param(ws.PathParameter("metric-name", "The name of the requested metric").DataType("string")).
		Param(ws.QueryParameter("start", "Start time for requested metrics").DataType("string")).
		Writes(MetricResult{}))

	container.Add(ws)
}