Beispiel #1
0
func proxyCommand(host *config.Host, command string, dryRun bool) error {
	command = host.ExpandString(command)
	Logger.Debugf("ProxyCommand: %s", command)
	args, err := shlex.Split(command)
	if err != nil {
		return err
	}

	if dryRun {
		return fmt.Errorf("dry-run: Execute %s", args)
	}

	spawn := exec.Command(args[0], args[1:]...)
	spawn.Stdout = os.Stdout
	spawn.Stdin = os.Stdin
	spawn.Stderr = os.Stderr
	return spawn.Run()
}
Beispiel #2
0
func hostPrepare(host *config.Host) error {
	if host.HostName == "" {
		host.HostName = host.Name()
	}

	if len(host.ResolveNameservers) > 0 {
		Logger.Debugf("Resolving host: '%s' using nameservers %s", host.HostName, host.ResolveNameservers)
		// FIXME: resolve using custom dns server
		results, err := net.LookupAddr(host.HostName)
		if err != nil {
			return err
		}
		if len(results) > 0 {
			host.HostName = results[0]
		}
		Logger.Debugf("Resolved host is: %s", host.HostName)
	}

	if host.ResolveCommand != "" {
		command := host.ExpandString(host.ResolveCommand)
		Logger.Debugf("Resolving host: %q using command: %q", host.HostName, command)

		args, err := shlex.Split(command)
		if err != nil {
			return err
		}

		cmd := exec.Command(args[0], args[1:]...)
		var stdout bytes.Buffer
		var stderr bytes.Buffer
		cmd.Stdout = &stdout
		cmd.Stderr = &stderr
		if err := cmd.Run(); err != nil {
			Logger.Errorf("ResolveCommand failed: %s", stderr.String())
			return err
		}

		host.HostName = strings.TrimSpace(fmt.Sprintf("%s", stdout.String()))
		Logger.Debugf("Resolved host is: %s", host.HostName)
	}
	return nil
}
Beispiel #3
0
func (c *Container) parseCmd() {
	flags := flag.NewFlagSet("run", flag.ExitOnError)

	flRemove := flags.Bool([]string{"#rm", "-rm"}, false, "")
	flDetach := flags.Bool([]string{"d", "-detach"}, false, "")
	flName := flags.String([]string{"#name", "-name"}, "", "")

	args, err := shlex.Split(c.ContainerCfg.Cmd)
	if err != nil {
		c.Err = err
		return
	}

	log.Debugf("Parsing [%s]", strings.Join(args, ","))
	c.Config, c.HostConfig, _, c.Err = runconfig.Parse(flags, args)

	c.Name = *flName
	c.detach = *flDetach
	c.remove = *flRemove
}
Beispiel #4
0
func hostPrepare(host *config.Host) error {
	if host.HostName == "" {
		host.HostName = host.Name()
	}

	if len(host.ResolveNameservers) > 0 {
		Logger.Debugf("Resolving host: '%s' using nameservers %s", host.HostName, host.ResolveNameservers)
		// FIXME: resolve using custom dns server
		results, err := net.LookupAddr(host.HostName)
		if err != nil {
			return err
		}
		if len(results) > 0 {
			host.HostName = results[0]
		}
		Logger.Debugf("Resolved host is: %s", host.HostName)
	}

	if host.ResolveCommand != "" {
		command := host.ExpandString(host.ResolveCommand)
		Logger.Debugf("Resolving host: %q using command: %q", host.HostName, command)

		args, err := shlex.Split(command)
		if err != nil {
			return err
		}

		out, err := exec.Command(args[0], args[1:]...).Output()
		if err != nil {
			return err
		}

		host.HostName = strings.TrimSpace(fmt.Sprintf("%s", out))
		Logger.Debugf("Resolved host is: %s", host.HostName)
	}
	return nil
}
func TestParseCommand(t *testing.T) {
	exp := []string{"sh", "-c", "exec /opt/bin/flanneld -logtostderr=true -iface=${NODE_IP}"}
	cmd, err := shlex.Split("sh -c 'exec /opt/bin/flanneld -logtostderr=true -iface=${NODE_IP}'")
	assert.Nil(t, err)
	assert.Equal(t, exp, cmd)
}
Beispiel #6
0
func Convert(c *project.ServiceConfig) (*runconfig.Config, *runconfig.HostConfig, error) {
	vs := Filter(c.Volumes, isVolume)

	volumes := make(map[string]struct{}, len(vs))
	for _, v := range vs {
		volumes[v] = struct{}{}
	}

	cmd, _ := shlex.Split(c.Command)
	entrypoint, _ := shlex.Split(c.Entrypoint)
	ports, binding, err := nat.ParsePortSpecs(c.Ports)
	if err != nil {
		return nil, nil, err
	}
	restart, err := runconfig.ParseRestartPolicy(c.Restart)
	if err != nil {
		return nil, nil, err
	}
	dns := c.Dns.Slice()
	dnssearch := c.DnsSearch.Slice()
	labels := c.Labels.MapParts()

	if len(c.Expose) > 0 {
		exposedPorts, _, err := nat.ParsePortSpecs(c.Expose)
		ports = exposedPorts
		if err != nil {
			return nil, nil, err
		}
	}

	config := &runconfig.Config{
		Entrypoint:   runconfig.NewEntrypoint(entrypoint...),
		Hostname:     c.Hostname,
		Domainname:   c.DomainName,
		User:         c.User,
		Env:          c.Environment.Slice(),
		Cmd:          runconfig.NewCommand(cmd...),
		Image:        c.Image,
		Labels:       labels,
		ExposedPorts: ports,
		Tty:          c.Tty,
		OpenStdin:    c.StdinOpen,
		WorkingDir:   c.WorkingDir,
		Volumes:      volumes,
	}
	host_config := &runconfig.HostConfig{
		VolumesFrom: c.VolumesFrom,
		CapAdd:      c.CapAdd,
		CapDrop:     c.CapDrop,
		CpuShares:   c.CpuShares,
		Privileged:  c.Privileged,
		Binds:       Filter(c.Volumes, isBind),
		Dns:         dns,
		DnsSearch:   dnssearch,
		LogConfig: runconfig.LogConfig{
			Type: c.LogDriver,
		},
		Memory:         c.MemLimit,
		NetworkMode:    runconfig.NetworkMode(c.Net),
		ReadonlyRootfs: c.ReadOnly,
		PidMode:        runconfig.PidMode(c.Pid),
		IpcMode:        runconfig.IpcMode(c.Ipc),
		PortBindings:   binding,
		RestartPolicy:  restart,
	}

	return config, host_config, nil
}