func (s *Server) register(r *kite.Request) (interface{}, error) {
var req RegisterRequest
if r.Args != nil {
err := r.Args.One().Unmarshal(&req)
if err != nil {
return nil, errors.New("invalid request: " + err.Error())
}
}
// register requests issued by managed kites always have Username
// empty
if req.Username == "" {
req.Username = r.Username
}
// try to always have distinct name for the tunnel, a single user
// can have more than one tunnel; for tunnels created by kloud
// the TunnelName is always distinct (= jMachine.Uid), for
// managed kites we need to generate the name here
if req.TunnelName == "" {
req.TunnelName = utils.RandString(12)
}
vhost := s.vhost(&req)
s.opts.Log.Debug("received register request: %s", TunnelsByName(toList(req.Services, vhost)))
// By default all addresses are routed by default with wildcard
// CNAME. If it is disabled explicitly, we're inserting A records
// for each tunnel instead.
if s.opts.NoCNAME {
if err := s.upsert(vhost); err != nil {
return nil, err
}
}
res := &RegisterResult{
VirtualHost: vhost,
ServerAddr: s.opts.ServerAddr,
Ident: utils.RandString(32),
}
s.addClient(res.Ident, req.TunnelName, res.VirtualHost, req.Services)
s.Server.OnDisconnect(res.Ident, func() error {
s.delClient(res.Ident, res.VirtualHost)
return nil
})
return res, nil
}
func (cmd *TeamInit) Valid() error {
if cmd.KlientID == "" {
return errors.New("empty value for -klient flag")
}
if cmd.Provider == "" {
cmd.Provider = "vagrant"
}
if cmd.Provider != "vagrant" {
return errors.New("currently only vagrant is supported")
}
if cmd.Team == "" {
cmd.Team = utils.RandString(12)
}
if cmd.StackTemplate == "-" {
p, err := ioutil.ReadAll(os.Stdin)
if err != nil {
return err
}
cmd.StackTemplate = string(p)
} else {
p, err := ioutil.ReadFile(cmd.StackTemplate)
if err != nil {
return err
}
cmd.StackTemplate = string(p)
}
if cmd.StackTemplate == "" {
return errors.New("empty value for -stack flag")
}
return nil
}
func (s *Stack) injectMetadata(app map[string]interface{}, name string) error {
envs := getObject(app["env"])
s.Builder.InterpolateField(app, name, "cmd")
cmd, ok := app["cmd"]
if ok {
delete(app, "cmd")
envs["KODING_CMD"] = cmd
}
if val, ok := envs["KODING_KLIENT_URL"].(string); !ok || val == "" {
envs["KODING_KLIENT_URL"] = s.KlientURL
}
for i, label := range s.Labels {
kiteKey, err := s.BuildKiteKey(label.Label, s.Req.Username)
if err != nil {
return err
}
tunnelID := utils.RandString(8)
if m, ok := s.Builder.Machines[label.Label]; ok && m.Uid != "" {
tunnelID = m.Uid
}
konfig := &config.Konfig{
Endpoints: stack.Konfig.Endpoints,
TunnelID: tunnelID,
KiteKey: kiteKey,
Debug: s.Debug,
}
metadata := map[string]interface{}{
"konfig.konfig.konfigs": map[string]interface{}{
konfig.ID(): konfig,
},
"konfig.konfig.konfigs.used": map[string]interface{}{
"id": konfig.ID(),
},
}
p, err := json.Marshal(metadata)
if err != nil {
return err
}
envs[fmt.Sprintf("KODING_METADATA_%d", i+1)] = base64.StdEncoding.EncodeToString(p)
}
app["env"] = envs
return nil
}
func (s *Stack) newTunnel(resourceName string) *Tunnel {
t := &Tunnel{
Name: utils.RandString(12),
KiteURL: s.TunnelURL.String(),
}
if m, ok := s.Builder.Machines[resourceName]; ok {
t.Name = m.Uid
}
return t
}
// Auth provides the api.AuthFunc function for use with clients' transports.
//
// It never fails and always returns a valid session.
func (fa *FakeAuth) Auth(opts *api.AuthOptions) (*api.Session, error) {
fa.mu.Lock()
defer fa.mu.Unlock()
session, ok := fa.Sessions[opts.User.String()]
if !ok || opts.Refresh {
session = &api.Session{
ClientID: utils.RandString(12),
User: &api.User{
Username: opts.User.Username,
Team: opts.User.Team,
},
}
fa.Sessions[opts.User.String()] = session
}
return session, nil
}
func (n *Ngrok) Start(subdomain, localAddr string) (string, error) {
if n.process != nil {
return "", errors.New("ngrok tunnel is already running")
}
if subdomain == "" {
subdomain = utils.RandString(12)
}
p := n.cmd("-log", "stdout", "-authtoken", Test.NgrokToken, "-subdomain", subdomain, localAddr)
if err := p.Start(); err != nil {
return "", err
}
// wait for tunnel to get up
tunnelHost := subdomain + ".ngrok.com"
tunnelURL := "http://" + tunnelHost
ctx, cancel := context.WithTimeout(context.Background(), n.StartTimeout)
defer cancel()
for {
resp, err := ctxhttp.Get(ctx, nil, tunnelURL)
if err == context.DeadlineExceeded {
return "", fmt.Errorf("timed out after %s waiting for %s to be ready", n.StartTimeout, tunnelURL)
}
if err == nil {
resp.Body.Close()
// 404 means tunnel not found
if resp.StatusCode != http.StatusNotFound {
n.process = p
return tunnelHost, nil
}
}
time.Sleep(1 * time.Second)
}
}
func testTunnelserverHTTP(t *testing.T, serverURL *url.URL) {
// Create and start local server. All requests to this server are tunneled.
received := make(chan *http.Request, 32)
localServer := Test.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
received <- r
w.WriteHeader(204)
}))
// Create and start Tunnel Client. It takes care of forwarding requests
// from the internet to the loceal server.
var virtualHost string
var wg sync.WaitGroup
wg.Add(1)
clientCfg, _ := Test.GenKiteConfig()
k := kite.New("tunnelclient", "0.0.1")
k.Config = clientCfg
clientOpts := &tunnelproxy.ClientOptions{
LastVirtualHost: serverURL.Host,
LocalAddr: host(localServer.URL),
Kite: k,
OnRegister: func(req *tunnelproxy.RegisterResult) {
virtualHost = req.VirtualHost
wg.Done()
},
Log: Test.Log.New("tunnelclient"),
Debug: true,
Timeout: 1 * time.Minute,
}
client, err := tunnelproxy.NewClient(clientOpts)
if err != nil {
t.Fatalf("error creating tunnelproxy client: %s", err)
}
client.Start()
defer client.Close()
wg.Wait()
if virtualHost == "" {
t.Fatal("expected virtualHost to be non-empty")
}
cases := []struct {
Method string
URL *url.URL
}{{ // i=0
Method: "GET",
URL: &url.URL{
Scheme: "http",
Host: serverURL.Host,
Path: "/",
},
}, { // i=1
Method: "GET",
URL: &url.URL{
Scheme: "http",
Host: serverURL.Host,
Path: "/foo",
},
}, { // i=2
Method: "DELETE",
URL: &url.URL{
Scheme: "http",
Host: serverURL.Host,
Path: "/foo/bar",
},
}, { // i=3
Method: "POST",
URL: &url.URL{
Scheme: "http",
Host: serverURL.Host,
Path: "/" + utils.RandString(32),
},
}, { // i=4
Method: "PUT",
URL: &url.URL{
Scheme: "http",
Host: serverURL.Host,
Path: "/" + utils.RandString(32),
},
}}
// Send requests to public end of the tunnel.
for i, cas := range cases {
req, err := http.NewRequest(cas.Method, cas.URL.String(), nil)
if err != nil {
t.Fatalf("%d: error creating request to %s: %s", i, cas.URL, err)
}
req.Host = virtualHost
_, err = http.DefaultClient.Do(req)
if err != nil {
t.Fatalf("%d: error sending request to %s: %s", i, cas.URL, err)
}
}
timeout := time.After(1 * time.Minute)
// Ensure all the requests were forwarded.
for i, cas := range cases {
select {
case req := <-received:
if req.Method != cas.Method {
t.Errorf("%d: want Method=%q; got %q", i, cas.Method, req.Method)
}
if req.URL.Path != cas.URL.Path {
t.Errorf("%d: want Path=%q; got %q", i, cas.URL.Path, req.URL.Path)
}
case <-timeout:
t.Fatalf("receiving requests from %s timed out", localServer.URL)
}
}
}
// InjectVagrantData sets default properties for vagrant_instance Terraform template.
func (s *Stack) ApplyTemplate(c *stack.Credential) (*stack.Template, error) {
t := s.Builder.Template
cred := c.Credential.(*Cred)
var res VagrantResource
if err := t.DecodeResource(&res); err != nil {
return nil, err
}
if len(res.Build) == 0 {
return nil, errors.New("no vagrant instances specified")
}
uids := s.Builder.MachineUIDs()
s.Log.Debug("machine uids (%d): %v", len(uids), uids)
klientURL, err := s.Session.Userdata.LookupKlientURL()
if err != nil {
return nil, err
}
// queryString is taken from jCredentialData.meta.queryString,
// for debugging purposes it can be overwritten in the template,
// however if template has multiple machines, all of them
// are required to overwrite the queryString to the same value
// to match current implementation of terraformplugins/vagrant
// provider.
//
// Otherwise we fail early to show problem with the template.
var queryString string
for resourceName, box := range res.Build {
kiteKey, err := s.BuildKiteKey(resourceName, s.Req.Username)
if err != nil {
return nil, err
}
// set kontrolURL if not provided via template
kontrolURL := s.Session.Userdata.Keycreator.KontrolURL
if k, ok := box["kontrolURL"].(string); ok {
kontrolURL = k
} else {
box["kontrolURL"] = kontrolURL
}
if q, ok := box["queryString"].(string); ok {
q, err := utils.QueryString(q)
if err != nil {
return nil, fmt.Errorf("%s: error reading queryString: %s", resourceName, err)
}
if queryString != "" && queryString != q {
return nil, fmt.Errorf("mismatched queryString provided for multiple instances; want %q, got %q", queryString, q)
}
queryString = q
} else {
box["queryString"] = "${var.vagrant_queryString}"
queryString = cred.QueryString
}
// set default filePath to relative <stackdir>/<boxname>; for
// default configured klient it resolves to ~/.vagrant.d/<stackdir>/<boxname>
if _, ok := box["filePath"]; !ok {
uid, ok := uids[resourceName]
if !ok {
// For Plan call we return random uid as it won't be returned
// as a part of meta; the filePath is inserted into meta by
// the apply method.
uid = resourceName + "-" + utils.RandString(6)
}
box["filePath"] = "koding/${var.koding_group_slug}/" + uid
}
// set default CPU number
if _, ok := box["cpus"]; !ok {
box["cpus"] = "${var.vagrant_cpus}"
}
// set default RAM in MiB
if _, ok := box["memory"]; !ok {
box["memory"] = "${var.vagrant_memory}"
}
// set default box type
if _, ok := box["box"]; !ok {
box["box"] = "${var.vagrant_box}"
}
var ports []interface{}
switch p := box["forwarded_ports"].(type) {
case []interface{}:
ports = p
case []map[string]interface{}:
ports = make([]interface{}, len(p))
for i := range p {
ports[i] = p[i]
}
}
// klient kite port
kitePort := &vagrantapi.ForwardedPort{
HostPort: 2200,
GuestPort: 56789,
}
// tlsproxy port
kitesPort := &vagrantapi.ForwardedPort{
HostPort: 2201,
GuestPort: 56790,
}
ports = append(ports, kitePort, kitesPort)
box["forwarded_ports"] = ports
box["username"] = s.Req.Username
tunnel := s.newTunnel(resourceName)
s.Builder.InterpolateField(box, resourceName, "user_data")
if b, ok := box["debug"].(bool); ok && b {
s.Debug = true
}
data := puser.Value{
Username: s.Req.Username,
Groups: []string{"sudo"},
Hostname: s.Req.Username, // no typo here. hostname = username
KiteKey: kiteKey,
LatestKlientURL: klientURL,
TunnelName: tunnel.Name,
TunnelKiteURL: tunnel.KiteURL,
KontrolURL: kontrolURL,
}
// pass the values as a JSON encoded as base64. Our script will decode
// and unmarshall and use it inside the Vagrant box
val, err := json.Marshal(&data)
if err != nil {
return nil, err
}
// Compressing the provision data isn't doing any serious optimizations,
// it's just here so the debug output does not take half a screen.
//
// The provisionclient handles both compressed and uncompressed JSONs.
var buf bytes.Buffer
if cw, err := gzip.NewWriterLevel(&buf, 9); err == nil {
if _, err = io.Copy(cw, bytes.NewReader(val)); err == nil && cw.Close() == nil {
s.Log.Debug("using compressed provision data: %d vs %d", len(val), len(buf.Bytes()))
val = buf.Bytes()
}
}
box["provisionData"] = base64.StdEncoding.EncodeToString(val)
res.Build[resourceName] = box
}
t.Resource["vagrant_instance"] = res.Build
if err := t.Flush(); err != nil {
return nil, err
}
content, err := t.JsonOutput()
if err != nil {
return nil, err
}
return &stack.Template{
Content: content,
}, nil
}
