Reimplement terminal connections

This commit is contained in:
Jonathan Leibiusky @xetorthio
2017-09-07 15:27:25 -03:00
parent f3307d964c
commit 150b089602
6 changed files with 309 additions and 154 deletions

View File

@@ -6,14 +6,16 @@ import (
"io"
"log"
"net"
"net/http"
"net/url"
"sort"
"strings"
"golang.org/x/net/websocket"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/autoscaling"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/play-with-docker/play-with-docker/config"
"github.com/play-with-docker/play-with-docker/docker"
"github.com/play-with-docker/play-with-docker/pwd/types"
"github.com/play-with-docker/play-with-docker/router"
@@ -48,60 +50,31 @@ func NewWindowsASG(f docker.FactoryApi, st storage.StorageApi) *windows {
}
func (d *windows) InstanceNew(session *types.Session, conf types.InstanceConfig) (*types.Instance, error) {
conf.ImageName = config.GetSSHImage()
winfo, err := d.getWindowsInstanceInfo(session.Id)
if err != nil {
return nil, err
}
if conf.Hostname == "" {
instances, err := d.storage.InstanceFindBySessionId(session.Id)
if err != nil {
return nil, err
}
var nodeName string
for i := 1; ; i++ {
nodeName = fmt.Sprintf("node%d", i)
exists := checkHostnameExists(session.Id, nodeName, instances)
if !exists {
break
}
}
conf.Hostname = nodeName
}
containerName := fmt.Sprintf("%s_%s", session.Id[:8], conf.Hostname)
opts := docker.CreateContainerOpts{
Image: conf.ImageName,
WindowsEndpoint: winfo.privateIP,
SessionId: session.Id,
PwdIpAddress: session.PwdIpAddress,
ContainerName: containerName,
Hostname: conf.Hostname,
ServerCert: conf.ServerCert,
ServerKey: conf.ServerKey,
CACert: conf.CACert,
Privileged: false,
HostFQDN: conf.Host,
Networks: []string{session.Id},
labels := map[string]string{
"io.tutorius.networkid": session.Id,
"io.tutorius.networking.remote.ip": winfo.privateIP,
}
instanceName := fmt.Sprintf("%s_%s", session.Id[:8], winfo.id)
dockerClient, err := d.factory.GetForSession(session.Id)
if err != nil {
d.releaseInstance(winfo.id)
return nil, err
}
if err = dockerClient.CreateContainer(opts); err != nil {
if err = dockerClient.ConfigCreate(instanceName, labels, []byte(instanceName)); err != nil {
d.releaseInstance(winfo.id)
return nil, err
}
instance := &types.Instance{}
instance.Name = containerName
instance.Image = opts.Image
instance.Name = instanceName
instance.Image = ""
instance.IP = winfo.privateIP
instance.RoutableIP = instance.IP
instance.SessionId = session.Id
@@ -115,31 +88,6 @@ func (d *windows) InstanceNew(session *types.Session, conf types.InstanceConfig)
instance.ProxyHost = router.EncodeHost(session.Id, instance.RoutableIP, router.HostOpts{})
instance.SessionHost = session.Host
if cli, err := d.factory.GetForInstance(instance); err != nil {
if derr := d.InstanceDelete(session, instance); derr != nil {
log.Println("Error deleting instance: ", derr)
}
return nil, err
} else {
info, err := cli.GetDaemonInfo()
if err != nil {
if derr := d.InstanceDelete(session, instance); derr != nil {
log.Println("Error deleting instance: ", derr)
}
return nil, err
}
instance.Hostname = info.Name
instance.Name = fmt.Sprintf("%s_%s", session.Id[:8], info.Name)
if err = dockerClient.ContainerRename(containerName, instance.Name); err != nil {
// revert instance name to remove ssh container
instance.Name = containerName
if derr := d.InstanceDelete(session, instance); derr != nil {
log.Println("Error deleting instance: ", derr)
}
return nil, err
}
}
return instance, nil
}
@@ -160,13 +108,13 @@ func (d *windows) InstanceDelete(session *types.Session, instance *types.Instanc
return err
}
// return error and don't do anything else
//return error and don't do anything else
if _, err := ec2Service.TerminateInstances(&ec2.TerminateInstancesInput{InstanceIds: []*string{aws.String(instance.WindowsId)}}); err != nil {
return err
}
err = dockerClient.DeleteContainer(instance.Name)
if err != nil && !strings.Contains(err.Error(), "No such container") {
err = dockerClient.ConfigDelete(instance.Name)
if err != nil {
return err
}
@@ -178,27 +126,68 @@ func (d *windows) releaseInstance(instanceId string) error {
}
func (d *windows) InstanceResizeTerminal(instance *types.Instance, rows, cols uint) error {
dockerClient, err := d.factory.GetForSession(instance.SessionId)
resp, err := http.Post(fmt.Sprintf("http://%s:222/terminals/1/size?cols=%d&rows=%d", instance.IP, cols, rows), "application/json", nil)
if err != nil {
log.Println(err)
return err
}
return dockerClient.ContainerResize(instance.Name, rows, cols)
if resp.StatusCode != 200 {
log.Printf("Error resizing terminal of instance %s. Got %d\n", instance.Name, resp.StatusCode)
return fmt.Errorf("Error resizing terminal got %d\n", resp.StatusCode)
}
return nil
}
func (d *windows) InstanceGetTerminal(instance *types.Instance) (net.Conn, error) {
dockerClient, err := d.factory.GetForSession(instance.SessionId)
resp, err := http.Post(fmt.Sprintf("http://%s:222/terminals/1", instance.IP), "application/json", nil)
if err != nil {
log.Printf("Error creating terminal for instance %s. Got %v\n", instance.Name, err)
return nil, err
}
return dockerClient.CreateAttachConnection(instance.Name)
if resp.StatusCode != 200 {
log.Printf("Error creating terminal for instance %s. Got %d\n", instance.Name, resp.StatusCode)
return nil, fmt.Errorf("Creating terminal got %d\n", resp.StatusCode)
}
url := fmt.Sprintf("ws://%s:222/terminals/1", instance.IP)
ws, err := websocket.Dial(url, "", url)
if err != nil {
log.Println(err)
return nil, err
}
return ws, nil
}
func (d *windows) InstanceUploadFromUrl(instance *types.Instance, fileName, dest, url string) error {
return fmt.Errorf("Not implemented")
func (d *windows) InstanceUploadFromUrl(instance *types.Instance, fileName, dest, u string) error {
log.Printf("Downloading file [%s]\n", u)
resp, err := http.Get(u)
if err != nil {
return fmt.Errorf("Could not download file [%s]. Error: %s\n", u, err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return fmt.Errorf("Could not download file [%s]. Status code: %d\n", u, resp.StatusCode)
}
uploadResp, err := http.Post(fmt.Sprintf("http://%s:222/terminals/1/uploads?dest=%s&file_name=%s", instance.IP, url.QueryEscape(dest), url.QueryEscape(fileName)), "", resp.Body)
if err != nil {
return err
}
if uploadResp.StatusCode != 200 {
return fmt.Errorf("Could not upload file [%s]. Status code: %d\n", fileName, uploadResp.StatusCode)
}
return nil
}
func (d *windows) InstanceUploadFromReader(instance *types.Instance, fileName, dest string, reader io.Reader) error {
return fmt.Errorf("Not implemented")
uploadResp, err := http.Post(fmt.Sprintf("http://%s:222/terminals/1/uploads?dest=%s&file_name=%s", instance.IP, url.QueryEscape(dest), url.QueryEscape(fileName)), "", reader)
if err != nil {
return err
}
if uploadResp.StatusCode != 200 {
return fmt.Errorf("Could not upload file [%s]. Status code: %d\n", fileName, uploadResp.StatusCode)
}
return nil
}
func (d *windows) getWindowsInstanceInfo(sessionId string) (*instanceInfo, error) {