mirror of https://github.com/portainer/portainer
119 lines
3.8 KiB
Go
119 lines
3.8 KiB
Go
package websocket
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import (
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"net/http"
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httperror "github.com/portainer/libhttp/error"
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"github.com/portainer/libhttp/request"
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portainer "github.com/portainer/portainer/api"
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"github.com/portainer/portainer/api/http/security"
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)
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// @summary Execute a websocket on kubectl shell pod
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// @description The request will be upgraded to the websocket protocol. The request will proxy input from the client to the pod via long-lived websocket connection.
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// @description **Access policy**: authenticated
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// @security ApiKeyAuth
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// @security jwt
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// @tags websocket
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// @accept json
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// @produce json
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// @param endpointId query int true "environment(endpoint) ID of the environment(endpoint) where the resource is located"
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// @param token query string true "JWT token used for authentication against this environment(endpoint)"
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// @success 200 "Success"
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// @failure 400 "Invalid request"
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// @failure 403 "Permission denied"
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// @failure 500 "Server error"
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// @router /websocket/kubernetes-shell [get]
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func (handler *Handler) websocketShellPodExec(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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endpointID, err := request.RetrieveNumericQueryParameter(r, "endpointId", false)
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if err != nil {
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return httperror.BadRequest("Invalid query parameter: endpointId", err)
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}
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endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
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if handler.DataStore.IsErrObjectNotFound(err) {
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return httperror.NotFound("Unable to find the environment associated to the stack inside the database", err)
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} else if err != nil {
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return httperror.InternalServerError("Unable to find the environment associated to the stack inside the database", err)
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}
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tokenData, err := security.RetrieveTokenData(r)
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if err != nil {
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return httperror.Forbidden("Permission denied to access environment", err)
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}
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cli, err := handler.KubernetesClientFactory.GetKubeClient(endpoint)
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if err != nil {
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return httperror.InternalServerError("Unable to create Kubernetes client", err)
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}
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serviceAccount, err := cli.GetServiceAccount(tokenData)
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if err != nil {
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return httperror.InternalServerError("Unable to find serviceaccount associated with user", err)
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}
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settings, err := handler.DataStore.Settings().Settings()
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if err != nil {
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return httperror.InternalServerError("Unable read settings", err)
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}
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shellPod, err := cli.CreateUserShellPod(r.Context(), serviceAccount.Name, settings.KubectlShellImage)
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if err != nil {
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return httperror.InternalServerError("Unable to create user shell", err)
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}
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// Modifying request params mid-flight before forewarding to K8s API server (websocket)
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q := r.URL.Query()
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q.Add("namespace", shellPod.Namespace)
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q.Add("podName", shellPod.PodName)
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q.Add("containerName", shellPod.ContainerName)
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q.Add("command", shellPod.ShellExecCommand)
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r.URL.RawQuery = q.Encode()
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// Modify url path mid-flight before forewarding to k8s API server (websocket)
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r.URL.Path = "/websocket/pod"
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/*
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Note: The following websocket proxying logic is duplicated from `api/http/handler/websocket/pod.go`
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*/
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params := &webSocketRequestParams{
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endpoint: endpoint,
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}
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r.Header.Del("Origin")
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if endpoint.Type == portainer.AgentOnKubernetesEnvironment {
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err := handler.proxyAgentWebsocketRequest(w, r, params)
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if err != nil {
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return httperror.InternalServerError("Unable to proxy websocket request to agent", err)
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}
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return nil
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} else if endpoint.Type == portainer.EdgeAgentOnKubernetesEnvironment {
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err := handler.proxyEdgeAgentWebsocketRequest(w, r, params)
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if err != nil {
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return httperror.InternalServerError("Unable to proxy websocket request to Edge agent", err)
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}
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return nil
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}
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handlerErr := handler.hijackPodExecStartOperation(
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w,
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r,
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cli,
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"",
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true,
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endpoint,
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shellPod.Namespace,
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shellPod.PodName,
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shellPod.ContainerName,
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shellPod.ShellExecCommand,
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)
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if handlerErr != nil {
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return handlerErr
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}
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return nil
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}
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