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provider.go
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provider.go
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/*
Copyright (C) 2022-2023 ApeCloud Co., Ltd
This file is part of KubeBlocks project
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package util
import (
"context"
"regexp"
"strings"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
type K8sProvider string
const (
EKSProvider K8sProvider = "EKS"
GKEProvider K8sProvider = "GKE"
AKSProvider K8sProvider = "AKS"
ACKProvider K8sProvider = "ACK"
TKEProvider K8sProvider = "TKE"
UnknownProvider K8sProvider = "unknown"
)
func (p K8sProvider) IsCloud() bool {
return p != UnknownProvider
}
var (
/*
EKS version info:
WARNING: This version information is deprecated and will be replaced with the output from kubectl version --short. Use --output=yaml|json to get the full version.
Client Version: version.Info{Major:"1", Minor:"26", GitVersion:"v1.26.1", GitCommit:"8f94681cd294aa8cfd3407b8191f6c70214973a4", GitTreeState:"clean", BuildDate:"2023-01-18T15:51:24Z", GoVersion:"go1.19.5", Compiler:"gc", Platform:"darwin/arm64"}
Kustomize Version: v4.5.7
Server Version: version.Info{Major:"1", Minor:"24+", GitVersion:"v1.24.10-eks-48e63af", GitCommit:"9176fb99b52f8d5ff73d67fea27f3a638f679f8a", GitTreeState:"clean", BuildDate:"2023-01-24T19:17:48Z", GoVersion:"go1.19.5", Compiler:"gc", Platform:"linux/amd64"}
WARNING: version difference between client (1.26) and server (1.24) exceeds the supported minor version skew of +/-1
GKE version info:
WARNING: This version information is deprecated and will be replaced with the output from kubectl version --short. Use --output=yaml|json to get the full version.
Client Version: version.Info{Major:"1", Minor:"26", GitVersion:"v1.26.1", GitCommit:"8f94681cd294aa8cfd3407b8191f6c70214973a4", GitTreeState:"clean", BuildDate:"2023-01-18T15:51:24Z", GoVersion:"go1.19.5", Compiler:"gc", Platform:"darwin/arm64"}
Kustomize Version: v4.5.7
Server Version: version.Info{Major:"1", Minor:"24", GitVersion:"v1.24.9-gke.3200", GitCommit:"92ea556d4e7418d0e7b5db1ee576a73f8fc47e91", GitTreeState:"clean", BuildDate:"2023-01-20T09:29:29Z", GoVersion:"go1.18.9b7", Compiler:"gc", Platform:"linux/amd64"}
WARNING: version difference between client (1.26) and server (1.24) exceeds the supported minor version skew of +/-1
ACK version info:
WARNING: This version information is deprecated and will be replaced with the output from kubectl version --short. Use --output=yaml|json to get the full version.
Client Version: version.Info{Major:"1", Minor:"26", GitVersion:"v1.26.1", GitCommit:"8f94681cd294aa8cfd3407b8191f6c70214973a4", GitTreeState:"clean", BuildDate:"2023-01-18T15:51:24Z", GoVersion:"go1.19.5", Compiler:"gc", Platform:"darwin/arm64"}
Kustomize Version: v4.5.7
Server Version: version.Info{Major:"1", Minor:"24+", GitVersion:"v1.24.6-aliyun.1", GitCommit:"e0e067a81f9fa91d46792937d79ec41ec79762eb", GitTreeState:"clean", BuildDate:"2023-02-28T12:15:08Z", GoVersion:"go1.18.6", Compiler:"gc", Platform:"linux/amd64"}
WARNING: version difference between client (1.26) and server (1.24) exceeds the supported minor version skew of +/-1
TKE version info:
WARNING: This version information is deprecated and will be replaced with the output from kubectl version --short. Use --output=yaml|json to get the full version.
Client Version: version.Info{Major:"1", Minor:"26", GitVersion:"v1.26.1", GitCommit:"8f94681cd294aa8cfd3407b8191f6c70214973a4", GitTreeState:"clean", BuildDate:"2023-01-18T15:51:24Z", GoVersion:"go1.19.5", Compiler:"gc", Platform:"darwin/arm64"}
Kustomize Version: v4.5.7
Server Version: version.Info{Major:"1", Minor:"24+", GitVersion:"v1.24.4-tke.5", GitCommit:"c52d4f7343b73cbdf73e5bf0ca82ccdc2d54a07a", GitTreeState:"clean", BuildDate:"2023-02-07T01:40:47Z", GoVersion:"go1.18.8", Compiler:"gc", Platform:"linux/amd64"}
WARNING: version difference between client (1.26) and server (1.24) exceeds the supported minor version skew of +/-1
*/
k8sVersionRegex = map[K8sProvider]string{
EKSProvider: "v.*-eks-.*",
GKEProvider: "v.*-gke.*",
ACKProvider: "v.*-aliyun.*",
TKEProvider: "v.*-tke.*",
}
)
// GetK8sProvider returns the k8s provider
func GetK8sProvider(version string, client kubernetes.Interface) (K8sProvider, error) {
// get provider from version first
provider := GetK8sProviderFromVersion(version)
if provider != UnknownProvider {
return provider, nil
}
// if provider is unknown, get provider from node
nodes, err := client.CoreV1().Nodes().List(context.Background(), metav1.ListOptions{})
if err != nil {
return UnknownProvider, err
}
return GetK8sProviderFromNodes(nodes), nil
}
// GetK8sProviderFromNodes get k8s provider from node.spec.providerID
func GetK8sProviderFromNodes(nodes *corev1.NodeList) K8sProvider {
for _, node := range nodes.Items {
parts := strings.SplitN(node.Spec.ProviderID, ":", 2)
if len(parts) != 2 {
continue
}
switch parts[0] {
case "aws":
return EKSProvider
case "azure":
return AKSProvider
case "gce":
return GKEProvider
case "qcloud":
return TKEProvider
}
}
return UnknownProvider
}
// GetK8sProviderFromVersion gets k8s provider from field GitVersion in cluster server version
func GetK8sProviderFromVersion(version string) K8sProvider {
for provider, reg := range k8sVersionRegex {
match, err := regexp.Match(reg, []byte(version))
if err != nil {
continue
}
if match {
return provider
}
}
return UnknownProvider
}
func GetK8sSemVer(version string) string {
removeFirstChart := func(v string) string {
if len(v) == 0 {
return v
}
if v[0] == 'v' {
return v[1:]
}
return v
}
if len(version) == 0 {
return version
}
strArr := strings.Split(version, "-")
if len(strArr) == 0 {
return ""
}
return removeFirstChart(strArr[0])
}