Rainbond/grctl/cmd/exec.go
2019-11-25 16:14:32 +08:00

88 lines
2.2 KiB
Go

// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"os"
"os/exec"
"github.com/Sirupsen/logrus"
"github.com/goodrain/rainbond/grctl/clients"
"github.com/urfave/cli"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
//NewCmdExec exec cmd
func NewCmdExec() cli.Command {
c := cli.Command{
Name: "exec",
Usage: "open pod ttl console。grctl exec POD_NAME COMMAND ",
Action: func(c *cli.Context) error {
Common(c)
return execContainer(c)
},
}
return c
}
// grctl exec POD_ID COMMAND
func execContainer(c *cli.Context) error {
//podID := c.Args().Get(1)
args := c.Args().Tail()
tenantID := ""
podName := c.Args().First()
kubeCtrl, err := exec.LookPath("kubectl")
if err != nil {
logrus.Error("Don't fnd the kubectl")
return err
}
if len(args) == 0 {
args = []string{"bash"}
}
pl, err := clients.K8SClient.CoreV1().Pods("").List(metav1.ListOptions{})
if err != nil {
logrus.Errorf("error get pods by nil namespace")
return err
}
for _, v := range pl.Items {
if v.Name == podName {
tenantID = v.Namespace
break
}
}
defaultArgs := []string{kubeCtrl, "exec", "-it", "--namespace=" + tenantID, podName}
args = append(defaultArgs, args...)
//logrus.Info(args)
cmd := exec.Cmd{
Env: os.Environ(),
Path: kubeCtrl,
Args: args,
Stdin: os.Stdin,
Stdout: os.Stdout,
Stderr: os.Stderr,
}
if err := cmd.Run(); err != nil {
logrus.Error("Exec error.", err.Error())
return err
}
return nil
}