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184 lines
8.8 KiB
184 lines
8.8 KiB
package kubernetes
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import (
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"net/http"
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"github.com/portainer/portainer/api/http/middlewares"
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httperror "github.com/portainer/portainer/pkg/libhttp/error"
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"github.com/portainer/portainer/pkg/libhttp/request"
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"github.com/portainer/portainer/pkg/libhttp/response"
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"github.com/rs/zerolog/log"
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v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// @id GetKubernetesMetricsForAllNodes
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// @summary Get a list of nodes with their live metrics
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// @description Get a list of metrics associated with all nodes of a cluster.
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// @description **Access policy**: Authenticated user.
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// @tags kubernetes
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// @security ApiKeyAuth || jwt
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// @produce json
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// @param id path int true "Environment identifier"
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// @success 200 {object} v1beta1.NodeMetricsList "Success"
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// @failure 401 "Unauthorized access - the user is not authenticated or does not have the necessary permissions. Ensure that you have provided a valid API key or JWT token, and that you have the required permissions."
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// @failure 500 "Server error occurred while attempting to retrieve the list of nodes with their live metrics."
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// @router /kubernetes/{id}/metrics/nodes [get]
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func (handler *Handler) getKubernetesMetricsForAllNodes(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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endpoint, err := middlewares.FetchEndpoint(r)
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if err != nil {
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return httperror.InternalServerError(err.Error(), err)
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}
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cli, err := handler.KubernetesClientFactory.CreateRemoteMetricsClient(endpoint)
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForAllNodes").Msg("Failed to create metrics KubeClient")
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return httperror.InternalServerError("failed to create metrics KubeClient", nil)
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}
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metrics, err := cli.MetricsV1beta1().NodeMetricses().List(r.Context(), v1.ListOptions{})
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForAllNodes").Msg("Failed to fetch metrics")
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return httperror.InternalServerError("Failed to fetch metrics", err)
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}
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return response.JSON(w, metrics)
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}
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// @id GetKubernetesMetricsForNode
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// @summary Get live metrics for a node
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// @description Get live metrics for the specified node.
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// @description **Access policy**: Authenticated user.
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// @tags kubernetes
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// @security ApiKeyAuth || jwt
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// @produce json
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// @param id path int true "Environment identifier"
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// @param name path string true "Node identifier"
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// @success 200 {object} v1beta1.NodeMetrics "Success"
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// @failure 400 "Invalid request payload, such as missing required fields or fields not meeting validation criteria."
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// @failure 401 "Unauthorized access - the user is not authenticated or does not have the necessary permissions. Ensure that you have provided a valid API key or JWT token, and that you have the required permissions."
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// @failure 500 "Server error occurred while attempting to retrieve the live metrics for the specified node."
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// @router /kubernetes/{id}/metrics/nodes/{name} [get]
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func (handler *Handler) getKubernetesMetricsForNode(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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endpoint, err := middlewares.FetchEndpoint(r)
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForNode").Msg("Failed to fetch endpoint")
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return httperror.InternalServerError(err.Error(), err)
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}
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cli, err := handler.KubernetesClientFactory.CreateRemoteMetricsClient(endpoint)
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForNode").Msg("Failed to create metrics KubeClient")
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return httperror.InternalServerError("failed to create metrics KubeClient", nil)
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}
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nodeName, err := request.RetrieveRouteVariableValue(r, "name")
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForNode").Msg("Invalid node identifier route variable")
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return httperror.BadRequest("Invalid node identifier route variable", err)
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}
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metrics, err := cli.MetricsV1beta1().NodeMetricses().Get(
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r.Context(),
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nodeName,
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v1.GetOptions{},
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)
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForNode").Msg("Failed to fetch metrics")
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return httperror.InternalServerError("Failed to fetch metrics", err)
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}
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return response.JSON(w, metrics)
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}
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// @id GetKubernetesMetricsForAllPods
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// @summary Get a list of pods with their live metrics
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// @description Get a list of pods with their live metrics for the specified namespace.
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// @description **Access policy**: Authenticated user.
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// @tags kubernetes
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// @security ApiKeyAuth || jwt
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// @produce json
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// @param id path int true "Environment identifier"
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// @param namespace path string true "Namespace"
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// @success 200 {object} v1beta1.PodMetricsList "Success"
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// @failure 400 "Invalid request payload, such as missing required fields or fields not meeting validation criteria."
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// @failure 401 "Unauthorized access - the user is not authenticated or does not have the necessary permissions. Ensure that you have provided a valid API key or JWT token, and that you have the required permissions."
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// @failure 500 "Server error occurred while attempting to retrieve the list of pods with their live metrics."
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// @router /kubernetes/{id}/metrics/pods/{namespace} [get]
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func (handler *Handler) getKubernetesMetricsForAllPods(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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endpoint, err := middlewares.FetchEndpoint(r)
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForAllPods").Msg("Failed to fetch endpoint")
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return httperror.InternalServerError(err.Error(), err)
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}
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cli, err := handler.KubernetesClientFactory.CreateRemoteMetricsClient(endpoint)
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForAllPods").Msg("Failed to create metrics KubeClient")
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return httperror.InternalServerError("failed to create metrics KubeClient", nil)
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}
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namespace, err := request.RetrieveRouteVariableValue(r, "namespace")
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForAllPods").Msg("Invalid namespace identifier route variable")
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return httperror.BadRequest("Invalid namespace identifier route variable", err)
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}
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metrics, err := cli.MetricsV1beta1().PodMetricses(namespace).List(r.Context(), v1.ListOptions{})
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForAllPods").Msg("Failed to fetch metrics")
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return httperror.InternalServerError("Failed to fetch metrics", err)
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}
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return response.JSON(w, metrics)
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}
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// @id GetKubernetesMetricsForPod
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// @summary Get live metrics for a pod
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// @description Get live metrics for the specified pod.
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// @description **Access policy**: Authenticated user.
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// @tags kubernetes
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// @security ApiKeyAuth || jwt
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// @produce json
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// @param id path int true "Environment identifier"
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// @param namespace path string true "Namespace"
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// @param name path string true "Pod identifier"
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// @success 200 {object} v1beta1.PodMetrics "Success"
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// @failure 400 "Invalid request payload, such as missing required fields or fields not meeting validation criteria."
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// @failure 401 "Unauthorized access - the user is not authenticated or does not have the necessary permissions. Ensure that you have provided a valid API key or JWT token, and that you have the required permissions."
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// @failure 500 "Server error occurred while attempting to retrieve the live metrics for the specified pod."
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// @router /kubernetes/{id}/metrics/pods/{namespace}/{name} [get]
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func (handler *Handler) getKubernetesMetricsForPod(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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endpoint, err := middlewares.FetchEndpoint(r)
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForPod").Msg("Failed to fetch endpoint")
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return httperror.InternalServerError(err.Error(), err)
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}
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cli, err := handler.KubernetesClientFactory.CreateRemoteMetricsClient(endpoint)
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForPod").Msg("Failed to create metrics KubeClient")
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return httperror.InternalServerError("failed to create metrics KubeClient", nil)
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}
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namespace, err := request.RetrieveRouteVariableValue(r, "namespace")
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForPod").Msg("Invalid namespace identifier route variable")
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return httperror.BadRequest("Invalid namespace identifier route variable", err)
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}
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podName, err := request.RetrieveRouteVariableValue(r, "name")
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForPod").Msg("Invalid pod identifier route variable")
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return httperror.BadRequest("Invalid pod identifier route variable", err)
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}
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metrics, err := cli.MetricsV1beta1().PodMetricses(namespace).Get(r.Context(), podName, v1.GetOptions{})
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if err != nil {
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log.Error().Err(err).Str("context", "getKubernetesMetricsForPod").Str("namespace", namespace).Str("pod", podName).Msg("Failed to fetch metrics")
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return httperror.InternalServerError("Failed to fetch metrics", err)
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}
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return response.JSON(w, metrics)
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}
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