Files
kt-connect/pkg/kt/command/run.go
T
2020-03-12 17:01:58 +08:00

99 lines
2.7 KiB
Go

package command
import (
"errors"
"strconv"
"strings"
"github.com/alibaba/kt-connect/pkg/kt"
"github.com/alibaba/kt-connect/pkg/kt/cluster"
"github.com/alibaba/kt-connect/pkg/kt/connect"
"github.com/alibaba/kt-connect/pkg/kt/options"
"github.com/alibaba/kt-connect/pkg/kt/util"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/urfave/cli"
)
// newRunCommand return new run command
func newRunCommand(kt kt.CliInterface, options *options.DaemonOptions, action ActionInterface) cli.Command {
return cli.Command{
Name: "run",
Usage: "create a shadow deployment to redirect request to user local",
Flags: []cli.Flag{
cli.IntFlag{
Name: "port",
Usage: "The port that exposes",
Destination: &options.RunOptions.Port,
},
cli.BoolFlag{
Name: "expose",
Usage: " If true, a public, external service is created",
Destination: &options.RunOptions.Expose,
},
},
Action: func(c *cli.Context) error {
if options.Debug {
zerolog.SetGlobalLevel(zerolog.DebugLevel)
}
port := options.RunOptions.Port
if port == 0 {
return errors.New("--port is required")
}
return action.Run(c.Args().First(), options)
},
}
}
// Run create a new service in cluster
func (action *Action) Run(service string, options *options.DaemonOptions) error {
ch := SetUpCloseHandler(options)
kubernetes, err := cluster.Create(options.KubeConfig)
if err != nil {
return err
}
labels := map[string]string{
"control-by": "kt",
"kt-component": "run",
"kt": service,
"version": strings.ToLower(util.RandomString(5)),
}
// extra labels must be applied after origin labels
for k, v := range util.String2Map(options.Labels) {
labels[k] = v
}
podIP, podName, sshcm, credential, err := kubernetes.CreateShadow(service, options.Namespace, options.Image, labels, options.Debug)
if err != nil {
return err
}
log.Info().Msgf("create shadow pod %s ip %s", podName, podIP)
if options.RunOptions.Expose {
log.Info().Msgf("expose deployment %s to %s:%v", service, service, options.RunOptions.Port)
if _, err = kubernetes.CreateService(service, options.Namespace, options.RunOptions.Port, labels); err != nil {
return err
}
options.RuntimeOptions.Service = service
}
options.RuntimeOptions.Shadow = service
options.RuntimeOptions.SSHCM = sshcm
shadow := connect.Create(options)
err = shadow.Inbound(strconv.Itoa(options.RunOptions.Port), podName, podIP, credential)
if err != nil {
return err
}
log.Info().Msgf("forward remote %s:%v -> 127.0.0.1:%v", podIP, options.RunOptions.Port, options.RunOptions.Port)
s := <-ch
log.Info().Msgf("Terminal Signal is %s", s)
return nil
}