feat(helm): update helm view [r8s-256] (#582)

Co-authored-by: Cara Ryan <cara.ryan@portainer.io>
Co-authored-by: James Player <james.player@portainer.io>
Co-authored-by: stevensbkang <skan070@gmail.com>

api/http/handler/kubernetes/describe.go

@@ -0,0 +1,73 @@
+package kubernetes
+
+import (
+	"net/http"
+
+	httperror "github.com/portainer/portainer/pkg/libhttp/error"
+	"github.com/portainer/portainer/pkg/libhttp/request"
+	"github.com/portainer/portainer/pkg/libhttp/response"
+	"github.com/portainer/portainer/pkg/libkubectl"
+	"github.com/rs/zerolog/log"
+)
+
+type describeResourceResponse struct {
+	Describe string `json:"describe"`
+}
+
+// @id DescribeResource
+// @summary Get a description of a kubernetes resource
+// @description Get a description of a kubernetes resource.
+// @description **Access policy**: Authenticated user.
+// @tags kubernetes
+// @security ApiKeyAuth || jwt
+// @produce json
+// @param id path int true "Environment identifier"
+// @param name query string true "Resource name"
+// @param kind query string true "Resource kind"
+// @param namespace query string false "Namespace"
+// @success 200 {object} describeResourceResponse "Success"
+// @failure 400 "Invalid request payload, such as missing required fields or fields not meeting validation criteria."
+// @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."
+// @failure 403 "Permission denied - the user is authenticated but does not have the necessary permissions to access the requested resource or perform the specified operation. Check your user roles and permissions."
+// @failure 404 "Unable to find an environment with the specified identifier."
+// @failure 500 "Server error occurred while attempting to retrieve resource description"
+// @router /kubernetes/{id}/describe [get]
+func (handler *Handler) describeResource(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
+	name, err := request.RetrieveQueryParameter(r, "name", false)
+	if err != nil {
+		log.Error().Err(err).Str("context", "describeResource").Msg("Invalid query parameter name")
+		return httperror.BadRequest("an error occurred during the describeResource operation, invalid query parameter name. Error: ", err)
+	}
+
+	kind, err := request.RetrieveQueryParameter(r, "kind", false)
+	if err != nil {
+		log.Error().Err(err).Str("context", "describeResource").Msg("Invalid query parameter kind")
+		return httperror.BadRequest("an error occurred during the describeResource operation, invalid query parameter kind. Error: ", err)
+	}
+
+	namespace, err := request.RetrieveQueryParameter(r, "namespace", true)
+	if err != nil {
+		log.Error().Err(err).Str("context", "describeResource").Msg("Invalid query parameter namespace")
+		return httperror.BadRequest("an error occurred during the describeResource operation, invalid query parameter namespace. Error: ", err)
+	}
+
+	// fetches the token and the correct server URL for the endpoint, similar to getHelmClusterAccess
+	libKubectlAccess, err := handler.getLibKubectlAccess(r)
+	if err != nil {
+		return httperror.InternalServerError("an error occurred during the describeResource operation, failed to get libKubectlAccess. Error: ", err)
+	}
+
+	client, err := libkubectl.NewClient(libKubectlAccess, namespace, "", true)
+	if err != nil {
+		log.Error().Err(err).Str("context", "describeResource").Msg("Failed to create kubernetes client")
+		return httperror.InternalServerError("an error occurred during the describeResource operation, failed to create kubernetes client. Error: ", err)
+	}
+
+	out, err := client.Describe(namespace, name, kind)
+	if err != nil {
+		log.Error().Err(err).Str("context", "describeResource").Msg("Failed to describe kubernetes resource")
+		return httperror.InternalServerError("an error occurred during the describeResource operation, failed to describe kubernetes resource. Error: ", err)
+	}
+
+	return response.JSON(w, describeResourceResponse{Describe: out})
+}

api/http/handler/kubernetes/handler.go

@@ -15,6 +15,7 @@ import (
 	"github.com/portainer/portainer/api/kubernetes/cli"
 	httperror "github.com/portainer/portainer/pkg/libhttp/error"
 	"github.com/portainer/portainer/pkg/libhttp/request"
+	"github.com/portainer/portainer/pkg/libkubectl"
 	"github.com/rs/zerolog/log"
 
 	"github.com/gorilla/mux"
@@ -102,6 +103,7 @@ func NewHandler(bouncer security.BouncerService, authorizationService *authoriza
 	endpointRouter.Handle("/cluster_roles/delete", httperror.LoggerHandler(h.deleteClusterRoles)).Methods(http.MethodPost)
 	endpointRouter.Handle("/cluster_role_bindings", httperror.LoggerHandler(h.getAllKubernetesClusterRoleBindings)).Methods(http.MethodGet)
 	endpointRouter.Handle("/cluster_role_bindings/delete", httperror.LoggerHandler(h.deleteClusterRoleBindings)).Methods(http.MethodPost)
+	endpointRouter.Handle("/describe", httperror.LoggerHandler(h.describeResource)).Methods(http.MethodGet)
 
 	// namespaces
 	// in the future this piece of code might be in another package (or a few different packages - namespaces/namespace?)
@@ -269,3 +271,36 @@ func (handler *Handler) kubeClientMiddleware(next http.Handler) http.Handler {
 		next.ServeHTTP(w, r)
 	})
 }
+
+func (handler *Handler) getLibKubectlAccess(r *http.Request) (*libkubectl.ClientAccess, error) {
+	tokenData, err := security.RetrieveTokenData(r)
+	if err != nil {
+		return nil, httperror.InternalServerError("Unable to retrieve user authentication token", err)
+	}
+
+	bearerToken, _, err := handler.JwtService.GenerateToken(tokenData)
+	if err != nil {
+		return nil, httperror.Unauthorized("Unauthorized", err)
+	}
+
+	endpoint, err := middlewares.FetchEndpoint(r)
+	if err != nil {
+		return nil, httperror.InternalServerError("Unable to find the Kubernetes endpoint associated to the request.", err)
+	}
+
+	sslSettings, err := handler.DataStore.SSLSettings().Settings()
+	if err != nil {
+		return nil, httperror.InternalServerError("Unable to retrieve settings from the database", err)
+	}
+
+	hostURL := "localhost"
+	if !sslSettings.SelfSigned {
+		hostURL = r.Host
+	}
+
+	kubeConfigInternal := handler.kubeClusterAccessService.GetClusterDetails(hostURL, endpoint.ID, true)
+	return &libkubectl.ClientAccess{
+		Token:     bearerToken,
+		ServerUrl: kubeConfigInternal.ClusterServerURL,
+	}, nil
+}