func (e *DeployContainerExecutor) Execute(t *Task) error {
if e.arg.ContainerID == "" {
return errors.New("Container ID is empty")
}
if e.arg.Instances <= 0 {
return errors.New("Instances should be > 0")
}
instance, err := datamodel.GetInstance(e.arg.ContainerID)
if err != nil {
return err
}
ihReply, err := supervisor.Get(instance.Host, instance.ID)
if err != nil {
return err
}
e.reply.Containers, err = deployContainer(&e.arg.ManagerAuthArg, ihReply.Container, e.arg.Instances, t)
return err
}
func copyContainer(auth *ManagerAuthArg, cid, toHost string, t *Task) (*Container, error) {
// get old instance
inst, err := datamodel.GetInstance(cid)
if err != nil {
return nil, err
}
// get manifest
manifest := inst.Manifest
if manifest == nil {
// if we don't have the manifest in zk, try to get it from the supervisor
ihReply, err := supervisor.Get(inst.Host, inst.ID)
if err != nil {
return nil, err
}
manifest = ihReply.Container.Manifest
}
manifest.Instances = 1
// validate and get deps
deps, err := validateDeploy(auth, manifest, inst.Sha, inst.Env, t)
if err != nil {
return nil, err
}
// get zone of toHost
zone, err := supervisor.GetZone(toHost)
if err != nil {
return nil, err
}
deployed, err := deployToHostsInZones(deps, manifest, inst.Sha, inst.Env,
map[string][]string{zone: []string{toHost}}, []string{zone}, t)
if err != nil {
return nil, err
}
// should only deploy 1 since we're only moving 1
if len(deployed) != 1 {
cleanup(true, deployed, t)
return nil, errors.New(fmt.Sprintf("Didn't deploy 1 container. Deployed %d", len(deployed)))
}
return deployed[0], nil
}
func (e *GetContainerExecutor) Execute(t *Task) (err error) {
if e.arg.ContainerID == "" {
return errors.New("Container ID is empty")
}
instance, err := datamodel.GetInstance(e.arg.ContainerID)
if err != nil {
e.reply.Status = StatusError
return err
}
var ihReply *SupervisorGetReply
ihReply, err = supervisor.Get(instance.Host, e.arg.ContainerID)
if err != nil {
e.reply.Status = StatusError
return err
}
e.reply.Status = ihReply.Status
ihReply.Container.Host = instance.Host
e.reply.Container = ihReply.Container
e.reply.Status = StatusOk
return err
}