func DeleteUser(userId bson.ObjectId) error {
user, err := modelhelper.GetUserById(userId.Hex())
if err != nil {
return err
}
userQuery := func(c *mgo.Collection) error {
return c.Remove(bson.M{"_id": userId})
}
err = modelhelper.Mongo.Run(modelhelper.UserColl, userQuery)
if err != nil {
return err
}
accQuery := func(c *mgo.Collection) error {
return c.Remove(bson.M{"profile.nickname": user.Name})
}
return modelhelper.Mongo.Run(modelhelper.AccountsColl, accQuery)
}
// BuildMachine ensures the user and group of the spec are
// inserted into db.
func (spec *MachineSpec) BuildMachine(createUser bool) error {
// If MachineID is not nil, ensure it exists and reuse it if it does.
if spec.HasMachine() {
m, err := modelhelper.GetMachine(spec.Machine.ObjectId.Hex())
if err != nil {
return err
}
spec.Machine = *m
return nil
}
// If no existing group is provided, create or use 'hackathon' one,
// which will make VMs invisible to users until they're assigned
// to proper group before the hackathon.
if !spec.HasGroup() {
group, err := modelhelper.GetGroup("koding")
if err != nil {
return err
}
spec.Machine.Groups = []models.MachineGroup{{Id: group.Id}}
}
// If no existing user is provided, create one.
if !spec.HasUser() {
// Try to lookup user by username first.
user, err := modelhelper.GetUser(spec.Username())
if err != nil {
if !createUser {
return fmt.Errorf("user %q does not exist", spec.Username())
}
spec.User.ObjectId = bson.NewObjectId()
if spec.User.RegisteredAt.IsZero() {
spec.User.RegisteredAt = time.Now()
}
if spec.User.LastLoginDate.IsZero() {
spec.User.LastLoginDate = spec.User.RegisteredAt
}
if err = modelhelper.CreateUser(&spec.User); err != nil {
return err
}
user = &spec.User
}
spec.User.ObjectId = user.ObjectId
spec.User.Name = spec.Username()
}
// Ensure the user is assigned to the machine.
if len(spec.Machine.Users) == 0 {
spec.Machine.Users = []models.MachineUser{{
Sudo: true,
Owner: true,
}}
}
if spec.Machine.Users[0].Id == "" {
spec.Machine.Users[0].Id = spec.User.ObjectId
}
if spec.Machine.Users[0].Username == "" {
spec.Machine.Users[0].Username = spec.User.Name
}
// Lookup username for existing user.
if spec.Machine.Users[0].Username == "" {
user, err := modelhelper.GetUserById(spec.Machine.Users[0].Id.Hex())
if err != nil {
return err
}
spec.Machine.Users[0].Username = user.Name
}
// Lookup group and init Uid.
group, err := modelhelper.GetGroupById(spec.Machine.Groups[0].Id.Hex())
if err != nil {
return err
}
spec.Machine.Uid = fmt.Sprintf("u%c%c%c",
spec.Machine.Users[0].Username[0],
group.Slug[0],
spec.Machine.Provider[0],
)
m, err := modelhelper.GetMachineBySlug(spec.Machine.Users[0].Id, spec.Machine.Slug)
if err == mgo.ErrNotFound {
return nil
}
if err != nil {
return err
}
switch m.State() {
case machinestate.Building, machinestate.Starting:
return ErrAlreadyBuilding
case machinestate.Running:
return ErrAlreadyRunning
case machinestate.NotInitialized:
spec.Machine.ObjectId = m.ObjectId
return ErrRebuild
default:
return fmt.Errorf("machine state is %q; needs to be deleted and build "+
"again (jMachine.ObjectId = %q)", m.State(), m.ObjectId.Hex())
}
}
// RemoveUsersFromMachine removes the collaboraters from the host machine
func (c *Controller) RemoveUsersFromMachine(ping *models.Ping, toBeRemovedUsers []bson.ObjectId) error {
// if channel id is nil, there is nothing to do
if ping.ChannelId == 0 {
return nil
}
ws, err := modelhelper.GetWorkspaceByChannelId(strconv.FormatInt(ping.ChannelId, 10))
if err != nil {
return filterErr(err)
}
m, err := modelhelper.GetMachineByUid(ws.MachineUID)
if err != nil {
return filterErr(err)
}
// Get the klient.
klientRef, err := klient.ConnectTimeout(c.kite, m.QueryString, time.Second*10)
if err != nil {
if err == klient.ErrDialingFailed || err == kite.ErrNoKitesAvailable {
c.log.Error(
"[%s] Klient is not registered to Kontrol. Err: %s",
m.QueryString,
err,
)
return nil // if the machine is not open, we cant do anything
}
return err
}
defer klientRef.Close()
type args struct {
Username string
// we are not gonna use this propery here, just for reference
// Permanent bool
}
var iterErr error
for _, toBeDeletedUser := range toBeRemovedUsers {
// fetch user for its username
u, err := modelhelper.GetUserById(toBeDeletedUser.Hex())
if err != nil {
c.log.Error("couldnt get user", err.Error())
// if we cant find the regarding user, do not do anything
if err == mgo.ErrNotFound {
continue
}
iterErr = err
continue // do not stop iterating, unshare from others
}
param := args{
Username: u.Name,
}
_, err = klientRef.Client.Tell("klient.unshare", param)
if err != nil {
c.log.Error("couldnt unshare %+v", err.Error())
// those are so error prone, force klient side not to change the API
// or make them exported to some other package?
if strings.Contains(err.Error(), "user is permanent") {
continue
}
if strings.Contains(err.Error(), "user is not in the shared list") {
continue
}
if strings.Contains(err.Error(), "User not found") {
continue
}
iterErr = err
continue // do not stop iterating, unshare from others
}
}
res, err := klientRef.Client.Tell("klient.shared", nil)
if err == nil {
c.log.Info("other users in the machine: %+v", res.MustString())
}
// iterErr will be nil if we dont encounter to any error in iter
return iterErr
}
