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remote.go
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remote.go
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// Copyright 2019 Antrea Authors
//
// 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 providers
import (
"flag"
"fmt"
"os"
"path"
"github.com/kevinburke/ssh_config"
"antrea.io/theia/test/e2e/providers/exec"
)
var (
homedir, _ = os.UserHomeDir()
sshConfig = flag.String("remote.sshconfig", path.Join(homedir, ".ssh", "config"), "Path of the sshconfig")
remoteKubeconfig = flag.String("remote.kubeconfig", path.Join(homedir, ".kube", "config"), "Path of the kubeconfig of the cluster")
)
func getSSHConfig() (*ssh_config.Config, error) {
info, err := os.Stat(*sshConfig)
if err != nil {
return nil, err
}
if info.IsDir() {
return nil, fmt.Errorf("%s is not a file", *sshConfig)
}
f, err := os.Open(*sshConfig)
if err != nil {
return nil, err
}
defer f.Close()
return ssh_config.Decode(f)
}
type RemoteProvider struct {
sshConfig *ssh_config.Config
}
func (p *RemoteProvider) RunCommandOnNode(nodeName string, cmd string) (code int, stdout string, stderr string, err error) {
host, clientCfg, err := convertConfig(p.sshConfig, nodeName)
if err != nil {
return 0, "", "", err
}
return exec.RunSSHCommand(host, clientCfg, cmd, nil, "", false)
}
func (p *RemoteProvider) RunCommandOnNodeExt(nodeName, cmd string, envs map[string]string, stdin string, sudo bool) (
code int, stdout, stderr string, err error) {
host, clientCfg, err := convertConfig(p.sshConfig, nodeName)
if err != nil {
return 0, "", "", err
}
return exec.RunSSHCommand(host, clientCfg, cmd, envs, stdin, sudo)
}
func (p *RemoteProvider) GetKubeconfigPath() (string, error) {
return *remoteKubeconfig, nil
}
// NewRemoteProvider returns an implementation of ProviderInterface which enables tests to run on a remote cluster.
// configPath is unused for the remote provider
func NewRemoteProvider(configPath string) (ProviderInterface, error) {
sshConfig, err := getSSHConfig()
if err != nil {
return nil, err
}
return &RemoteProvider{sshConfig: sshConfig}, nil
}