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sync.go
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sync.go
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package cmd
import (
"fmt"
"io"
"os"
"os/exec"
"os/user"
"time"
"github.com/spf13/cobra"
"github.com/jenkins-x/jx/pkg/jx/cmd/templates"
cmdutil "github.com/jenkins-x/jx/pkg/jx/cmd/util"
"github.com/jenkins-x/jx/pkg/kube"
"github.com/jenkins-x/jx/pkg/util"
)
type SyncOptions struct {
CommonOptions
Container string
Namespace string
Pod string
Executable string
Dir string
RemoteDir string
Reload bool
stopCh chan struct{}
}
var (
sync_long = templates.LongDesc(`
Synchronises your local files to a devpod so you an build and test your code easily on the cloud
`)
sync_example = templates.Examples(`
# Open a terminal in the first container of the foo deployment's latest pod
jx sync foo
`)
)
func NewCmdSync(f cmdutil.Factory, out io.Writer, errOut io.Writer) *cobra.Command {
options := &SyncOptions{
CommonOptions: CommonOptions{
Factory: f,
Out: out,
Err: errOut,
},
}
cmd := &cobra.Command{
Use: "sync",
Short: "Synchronises your local files to a devpod",
Long: sync_long,
Example: sync_example,
Aliases: []string{"log"},
Run: func(cmd *cobra.Command, args []string) {
options.Cmd = cmd
options.Args = args
err := options.Run()
cmdutil.CheckErr(err)
},
}
cmd.Flags().StringVarP(&options.Container, "container", "c", "", "The name of the container to log")
cmd.Flags().StringVarP(&options.Namespace, "namespace", "n", "", "the namespace to look for the Deployment. Defaults to the current namespace")
cmd.Flags().StringVarP(&options.Namespace, "pod", "p", "", "the pod name to use")
cmd.Flags().StringVarP(&options.Executable, "shell", "s", DefaultShell, "Path to the shell command")
cmd.Flags().StringVarP(&options.Dir, "dir", "d", "", "The directory to watch. Defaults to the current directory")
cmd.Flags().StringVarP(&options.RemoteDir, "remote-dir", "r", "/code", "The remote directory in the DevPod to sync")
cmd.Flags().BoolVarP(&options.Reload, "reload", "", false, "Should we reload the remote container on file changes?")
return cmd
}
func (o *SyncOptions) Run() error {
client, curNs, err := o.KubeClient()
if err != nil {
return err
}
ns, _, err := kube.GetDevNamespace(client, curNs)
if err != nil {
return err
}
u, err := user.Current()
if err != nil {
return err
}
justInstalled, err := o.installKSync()
if err != nil {
return err
}
if justInstalled {
o.Printf("Initialising ksync\n")
err = o.runCommandInteractive(true, "ksync", "init")
if err != nil {
return err
}
}
name := o.Pod
username := u.Username
names, err := kube.GetPodNames(client, ns, username)
if err != nil {
return err
}
info := util.ColorInfo
if len(names) == 0 {
return fmt.Errorf("There are no DevPods for user %s in namespace %s. You can create one via: %s\n", info(username), info(ns), info("jx create devpod"))
}
if name == "" {
n, err := util.PickName(names, "Pick Pod:")
if err != nil {
return err
}
name = n
} else if util.StringArrayIndex(names, name) < 0 {
return util.InvalidOption(optionLabel, name, names)
}
if name == "" {
return fmt.Errorf("No pod found for namespace %s with name %s", ns, name)
}
// TODO do we need to sleep?
dir := o.Dir
if dir == "" {
dir, err = os.Getwd()
if err != nil {
return err
}
}
o.Printf("synchronizing directory %s to DevPod %s\n", info(dir), info(name))
cmd := exec.Command("ksync", "watch")
cmd.Stdout = o.Out
err = cmd.Start()
if err != nil {
return err
}
time.Sleep(time.Second)
reload := "--reload=false"
if o.Reload {
reload = "--reload=true"
}
err = o.runCommand("ksync", "create", "--force", "--name", name, "-l", "jenkins.io/devpod="+name, reload, "-n", ns, dir, o.RemoteDir)
if err != nil {
// TODO kill the command??
return err
}
return cmd.Wait()
}