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cluster.go
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cluster.go
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// Copyright (c) 2023 Cisco Systems, Inc. and its affiliates
// All rights reserved.
//
// 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.
//
// SPDX-License-Identifier: Apache-2.0
package cluster
import (
"context"
"time"
"github.com/app-net-interface/kubernetes-discovery/cluster/token"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
)
type Status int32
const (
Creating Status = iota
Active
Stopping
Inactive
Updating
Deleted
Other
)
type Platform int32
const (
UNSPECIFIED Platform = iota
GKE
EKS
AKS
)
type Cluster struct {
Name string
ID string
EndpointAddress string
CaCertificateData string
Platform Platform
Location string
CreatedAt time.Time
Status Status
StatusOther *string
OriginalObject interface{}
}
// DiscoveredCluster contains data and functions to either retrieve the data
// of a cluster or to authenticate and interact with that cluster.
type DiscoveredCluster interface {
// GetData returns the data of the cluster formatted as a `Cluster` struct.
// The original object can also be retrieved from it. Check `Cluster`
// documentation for more.
GetData() (*Cluster, error)
// GetToken will ask the cloud provider to generate a token that can be
// used to authenticate to the cluster.
GetToken(context.Context) (*token.Token, error)
// GetConfig will make use of `GetToken` alongside with the cluster data
// to generate a config that can be used to generate a client for the
// cluster or a manager for controller-runtime package.
//
// Please bear in mind that this config is tied to the token generated by
// the cloud provider an may not live for long.
GetConfig(context.Context) (*rest.Config, error)
// GetClientset will return a Kubernetes client set that you can use to
// perform operations on the cluster.
//
// Please bear in mind that this config is tied to the token generated by
// the cloud provider an may not live for long.
GetClientset(context.Context) (*kubernetes.Clientset, error)
}