forked from rook/rook
68 lines
2.2 KiB
Go
68 lines
2.2 KiB
Go
/*
|
|
Copyright 2016 The Rook Authors. 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.
|
|
*/
|
|
|
|
// Package k8sutil for Kubernetes helpers.
|
|
package k8sutil
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/coreos/pkg/capnslog"
|
|
"k8s.io/client-go/kubernetes"
|
|
"k8s.io/kubernetes/pkg/util/version"
|
|
)
|
|
|
|
var logger = capnslog.NewPackageLogger("github.com/rook/rook", "op-k8sutil")
|
|
|
|
const (
|
|
// Namespace for rook
|
|
Namespace = "rook"
|
|
// DefaultNamespace for the cluster
|
|
DefaultNamespace = "default"
|
|
// DataDirVolume data dir volume
|
|
DataDirVolume = "rook-data"
|
|
// DataDir folder
|
|
DataDir = "/var/lib/rook"
|
|
// RookType for the CRD
|
|
RookType = "kubernetes.io/rook"
|
|
// PodNameEnvVar is the env variable for getting the pod name via downward api
|
|
PodNameEnvVar = "POD_NAME"
|
|
// PodNamespaceEnvVar is the env variable for getting the pod namespace via downward api
|
|
PodNamespaceEnvVar = "POD_NAMESPACE"
|
|
// NodeNameEnvVar is the env variable for getting the node via downward api
|
|
NodeNameEnvVar = "NODE_NAME"
|
|
// FirstCRDVersion is the first K8s version with CRDs to replace TPRs
|
|
FirstCRDVersion = "v1.7.0"
|
|
)
|
|
|
|
// GetK8SVersion gets the version of the running K8S cluster
|
|
func GetK8SVersion(clientset kubernetes.Interface) (*version.Version, error) {
|
|
serverVersion, err := clientset.Discovery().ServerVersion()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("Error getting server version: %v", err)
|
|
}
|
|
|
|
// make sure the kubernetes version is parseable
|
|
index := strings.Index(serverVersion.GitVersion, "+")
|
|
if index != -1 {
|
|
newVersion := serverVersion.GitVersion[:index]
|
|
logger.Infof("returning version %s instead of %s", newVersion, serverVersion.GitVersion)
|
|
serverVersion.GitVersion = newVersion
|
|
}
|
|
return version.MustParseSemantic(serverVersion.GitVersion), nil
|
|
}
|