cluster_kubes.go

/*
Copyright 2021 Gravitational, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package clusters

import (
	"context"

	"github.com/gravitational/teleport/api/types"
	"github.com/gravitational/teleport/lib/teleterm/api/uri"

	"github.com/gravitational/trace"
)

// Kube describes kubernetes service
type Kube struct {
	// URI is the kube URI
	URI uri.ResourceURI

	types.KubernetesCluster
}

// GetKubes returns kube services
func (c *Cluster) GetKubes(ctx context.Context) ([]Kube, error) {
	proxyClient, err := c.clusterClient.ConnectToProxy(ctx)
	if err != nil {
		return nil, trace.Wrap(err)
	}
	defer proxyClient.Close()

	authClient, err := proxyClient.ConnectToCluster(ctx, c.clusterClient.SiteName, true)
	if err != nil {
		return nil, trace.Wrap(err)
	}
	defer authClient.Close()

	services, err := authClient.GetKubeServices(ctx)
	if err != nil {
		return nil, trace.Wrap(err)
	}

	kubeMap := map[string]Kube{}
	for _, service := range services {
		for _, kube := range service.GetKubernetesClusters() {
			kubeMap[kube.Name] = Kube{
				URI:               c.URI.AppendKube(kube.Name),
				KubernetesCluster: *kube,
			}
		}
	}

	kubes := make([]Kube, 0, len(kubeMap))
	for _, value := range kubeMap {
		kubes = append(kubes, value)
	}

	return kubes, nil
}