Example #1
0
File: pod.go Project: ZJU-SEL/hyper
func (p *Pod) parseContainerJsons(daemon *Daemon, jsons []*dockertypes.ContainerJSON) (err error) {
	err = nil
	p.ctnStartInfo = []*hypervisor.ContainerInfo{}

	for i, c := range p.spec.Containers {
		if jsons[i] == nil {
			estr := fmt.Sprintf("container %s of pod %s does not have inspect json", c.Name, p.id)
			glog.Error(estr)
			return errors.New(estr)
		}

		var (
			info *dockertypes.ContainerJSON = jsons[i]
			ci   *hypervisor.ContainerInfo  = &hypervisor.ContainerInfo{}
		)

		if c.Name == "" {
			c.Name = strings.TrimLeft(info.Name, "/")
		}
		if c.Image == "" {
			c.Image = info.Config.Image
		}
		glog.Infof("container name %s, image %s", c.Name, c.Image)

		mountId, err := GetMountIdByContainer(daemon.Storage.Type(), info.ID)
		if err != nil {
			estr := fmt.Sprintf("Cannot find mountID for container %s : %s", info.ID, err)
			glog.Error(estr)
			return errors.New(estr)
		}

		ci.Id = mountId
		ci.Workdir = info.Config.WorkingDir
		ci.Cmd = append([]string{info.Path}, info.Args...)

		// We should ignore these two in runv, instead of clear them, but here is a work around
		p.spec.Containers[i].Entrypoint = []string{}
		p.spec.Containers[i].Command = []string{}
		glog.Infof("container info config %v, Cmd %v, Args %v", info.Config, info.Config.Cmd.Slice(), info.Args)

		env := make(map[string]string)
		for _, v := range info.Config.Env {
			env[v[:strings.Index(v, "=")]] = v[strings.Index(v, "=")+1:]
		}
		for _, e := range p.spec.Containers[i].Envs {
			env[e.Env] = e.Value
		}
		ci.Envs = env

		processImageVolumes(info, info.ID, p.spec, &p.spec.Containers[i])

		p.ctnStartInfo = append(p.ctnStartInfo, ci)
		glog.V(1).Infof("Container Info is \n%v", ci)
	}

	return nil
}
Example #2
0
func (p *Pod) PrepareContainers(sd Storage, dclient DockerInterface) (err error) {
	err = nil
	p.containers = []*hypervisor.ContainerInfo{}

	var (
		sharedDir = path.Join(hypervisor.BaseDir, p.vm.Id, hypervisor.ShareDirTag)
	)

	files := make(map[string](pod.UserFile))
	for _, f := range p.spec.Files {
		files[f.Name] = f
	}

	for i, c := range p.status.Containers {
		var (
			info *dockertypes.ContainerJSONRaw
			ci   *hypervisor.ContainerInfo
		)
		info, err = getContinerInfo(dclient, c)

		ci, err = sd.PrepareContainer(c.Id, sharedDir)
		if err != nil {
			return err
		}
		ci.Workdir = info.Config.WorkingDir
		ci.Entrypoint = info.Config.Entrypoint.Slice()
		ci.Cmd = info.Config.Cmd.Slice()

		env := make(map[string]string)
		for _, v := range info.Config.Env {
			env[v[:strings.Index(v, "=")]] = v[strings.Index(v, "=")+1:]
		}
		for _, e := range p.spec.Containers[i].Envs {
			env[e.Env] = e.Value
		}
		ci.Envs = env

		processImageVolumes(info, c.Id, p.spec, &p.spec.Containers[i])

		err = processInjectFiles(&p.spec.Containers[i], files, sd, c.Id, sd.RootPath(), sharedDir)
		if err != nil {
			return err
		}

		p.containers = append(p.containers, ci)
		glog.V(1).Infof("Container Info is \n%v", ci)
	}

	return nil
}
Example #3
0
File: pod.go Project: ZJU-SEL/hyper
func (p *Pod) setupMountsAndFiles(sd Storage) (err error) {
	if len(p.ctnStartInfo) != len(p.spec.Containers) {
		estr := fmt.Sprintf("Prepare error, pod %s does not get container infos well", p.id)
		glog.Error(estr)
		err = errors.New(estr)
		return err
	}

	var (
		sharedDir = path.Join(hypervisor.BaseDir, p.vm.Id, hypervisor.ShareDirTag)
		files     = make(map[string](pod.UserFile))
	)

	for _, f := range p.spec.Files {
		files[f.Name] = f
	}

	for i, c := range p.status.Containers {
		var (
			ci *hypervisor.ContainerInfo
		)

		mountId := p.ctnStartInfo[i].Id
		glog.Infof("container ID: %s, mountId %s\n", c.Id, mountId)
		ci, err = sd.PrepareContainer(mountId, sharedDir)
		if err != nil {
			return err
		}

		err = processInjectFiles(&p.spec.Containers[i], files, sd, mountId, sd.RootPath(), sharedDir)
		if err != nil {
			return err
		}

		ci.Id = c.Id
		ci.Cmd = p.ctnStartInfo[i].Cmd
		ci.Envs = p.ctnStartInfo[i].Envs
		ci.Entrypoint = p.ctnStartInfo[i].Entrypoint
		ci.Workdir = p.ctnStartInfo[i].Workdir

		p.ctnStartInfo[i] = ci
	}

	return nil
}