Have ssh command working and unit-test passing. Also changed log->glog in ssh_mock.

pull/134/head
aprindle 2016-05-30 10:51:51 -07:00
parent 90b9abb811
commit a917beaee2
4 changed files with 107 additions and 5 deletions

47
cmd/minikube/cmd/ssh.go Normal file
View File

@ -0,0 +1,47 @@
/*
Copyright 2016 The Kubernetes 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 cmd
import (
"os"
"github.com/docker/machine/libmachine"
"github.com/golang/glog"
"github.com/spf13/cobra"
"k8s.io/minikube/pkg/minikube/cluster"
"k8s.io/minikube/pkg/minikube/constants"
)
// sshCmd represents the docker-ssh command
var sshCmd = &cobra.Command{
Use: "ssh",
Short: "Log into or run a command on a machine with SSH; similar to 'docker-machine ssh'",
Long: "Log into or run a command on a machine with SSH; similar to 'docker-machine ssh'",
Run: func(cmd *cobra.Command, args []string) {
api := libmachine.NewClient(constants.Minipath, constants.MakeMiniPath("certs"))
defer api.Close()
err := cluster.CreateSSHShell(api, args)
if err != nil {
glog.Errorln("Error attempting to ssh into machine: ", err)
os.Exit(1)
}
},
}
func init() {
RootCmd.AddCommand(sshCmd)
}

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@ -293,3 +293,25 @@ func checkIfApiExistsAndLoad(api libmachine.API) (*host.Host, error) {
}
return host, nil
}
func CreateSSHShell(api libmachine.API, args []string) error {
host, err := checkIfApiExistsAndLoad(api)
if err != nil {
return err
}
currentState, err := host.Driver.GetState()
if err != nil {
return err
}
if currentState != state.Running {
return fmt.Errorf("Error: Cannot run ssh command: Host %q is not running", constants.MachineName)
}
client, err := host.CreateSSHClient()
if err != nil {
return err
}
return client.Shell(strings.Join(args, " "))
}

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@ -388,3 +388,32 @@ func TestHostGetLogs(t *testing.T) {
t.Fatalf("Expected command not run: %s", logsCommand)
}
}
func TestCreateSSHShell(t *testing.T) {
api := tests.NewMockAPI()
s, _ := tests.NewSSHServer()
port, err := s.Start()
if err != nil {
t.Fatalf("Error starting ssh server: %s", err)
}
d := &tests.MockDriver{
Port: port,
CurrentState: state.Running,
BaseDriver: drivers.BaseDriver{
IPAddress: "127.0.0.1",
SSHKeyPath: "",
},
}
api.Hosts[constants.MachineName] = &host.Host{Driver: d}
cliArgs := []string{"exit"}
if err := CreateSSHShell(api, cliArgs); err != nil {
t.Fatalf("Error running ssh command: %s", err)
}
if s.HadASessionRequested != true {
t.Fatalf("Expected ssh session to be run")
}
}

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@ -21,10 +21,10 @@ import (
"crypto/rand"
"crypto/rsa"
"io"
"log"
"net"
"strconv"
"github.com/golang/glog"
"golang.org/x/crypto/ssh"
)
@ -32,9 +32,10 @@ import (
type SSHServer struct {
Config *ssh.ServerConfig
// Commands stores the raw commands executed against the server.
Commands map[string]int
Connected bool
Transfers *bytes.Buffer
Commands map[string]int
Connected bool
Transfers *bytes.Buffer
HadASessionRequested bool
}
// NewSSHServer returns a NewSSHServer instance, ready for use.
@ -86,6 +87,9 @@ func (s *SSHServer) Start() (int, error) {
// Service the incoming Channel channel.
for newChannel := range chans {
if newChannel.ChannelType() == "session" {
s.HadASessionRequested = true
}
channel, requests, err := newChannel.Accept()
s.Connected = true
if err != nil {
@ -98,7 +102,7 @@ func (s *SSHServer) Start() (int, error) {
//Note: string(req.Payload) adds additional characters to start of input, execRequest used to solve this issue
var cmd execRequest
if err := ssh.Unmarshal(req.Payload, &cmd); err != nil {
log.Println("Unmarshall encountered error: %s", err)
glog.Errorln("Unmarshall encountered error: %s", err)
return
}
s.Commands[cmd.Command] = 1