mirror of
https://github.com/alibaba/higress.git
synced 2026-02-23 12:10:53 +08:00
67 lines
2.2 KiB
Go
67 lines
2.2 KiB
Go
// Copyright (c) 2022 Alibaba Group Holding Ltd.
|
|
//
|
|
// 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 installer
|
|
|
|
import (
|
|
"github.com/alibaba/higress/hgctl/pkg/kubernetes"
|
|
"github.com/pkg/errors"
|
|
"helm.sh/helm/v3/pkg/action"
|
|
"helm.sh/helm/v3/pkg/chartutil"
|
|
"k8s.io/client-go/discovery"
|
|
)
|
|
|
|
type ServerInfo struct {
|
|
kubeCli kubernetes.CLIClient
|
|
}
|
|
|
|
func (c *ServerInfo) GetCapabilities() (*chartutil.Capabilities, error) {
|
|
// force a discovery cache invalidation to always fetch the latest server version/capabilities.
|
|
dc := c.kubeCli.KubernetesInterface().Discovery()
|
|
|
|
kubeVersion, err := dc.ServerVersion()
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "could not get server version from Kubernetes")
|
|
}
|
|
// Issue #6361:
|
|
// Client-Go emits an error when an API service is registered but unimplemented.
|
|
// We trap that error here and print a warning. But since the discovery client continues
|
|
// building the API object, it is correctly populated with all valid APIs.
|
|
// See https://github.com/kubernetes/kubernetes/issues/72051#issuecomment-521157642
|
|
apiVersions, err := action.GetVersionSet(dc)
|
|
if err != nil {
|
|
if discovery.IsGroupDiscoveryFailedError(err) {
|
|
} else {
|
|
return nil, errors.Wrap(err, "could not get apiVersions from Kubernetes")
|
|
}
|
|
}
|
|
capabilities := &chartutil.Capabilities{
|
|
APIVersions: apiVersions,
|
|
KubeVersion: chartutil.KubeVersion{
|
|
Version: kubeVersion.GitVersion,
|
|
Major: kubeVersion.Major,
|
|
Minor: kubeVersion.Minor,
|
|
},
|
|
HelmVersion: chartutil.DefaultCapabilities.HelmVersion,
|
|
}
|
|
return capabilities, nil
|
|
}
|
|
|
|
func NewServerInfo(kubCli kubernetes.CLIClient) (*ServerInfo, error) {
|
|
serverInfo := &ServerInfo{
|
|
kubeCli: kubCli,
|
|
}
|
|
return serverInfo, nil
|
|
}
|