func (daemon *Daemon) setupLinkedContainers(container *container.Container) ([]string, error) {
	var env []string
	children := daemon.children(container)

	bridgeSettings := container.NetworkSettings.Networks["bridge"]
	if bridgeSettings == nil {
		return nil, nil
	}

	for linkAlias, child := range children {
		if !child.IsRunning() {
			return nil, derr.ErrorCodeLinkNotRunning.WithArgs(child.Name, linkAlias)
		}

		childBridgeSettings := child.NetworkSettings.Networks["bridge"]
		if childBridgeSettings == nil {
			return nil, fmt.Errorf("container %s not attached to default bridge network", child.ID)
		}

		link := links.NewLink(
			bridgeSettings.IPAddress,
			childBridgeSettings.IPAddress,
			linkAlias,
			child.Config.Env,
			child.Config.ExposedPorts,
		)

		for _, envVar := range link.ToEnv() {
			env = append(env, envVar)
		}
	}

	return env, nil
}
Example #2
0
func (container *Container) setupLinkedContainers() ([]string, error) {
	var (
		env    []string
		daemon = container.daemon
	)
	children, err := daemon.children(container.Name)
	if err != nil {
		return nil, err
	}

	if len(children) > 0 {
		for linkAlias, child := range children {
			if !child.IsRunning() {
				return nil, derr.ErrorCodeLinkNotRunning.WithArgs(child.Name, linkAlias)
			}

			link := links.NewLink(
				container.NetworkSettings.IPAddress,
				child.NetworkSettings.IPAddress,
				linkAlias,
				child.Config.Env,
				child.Config.ExposedPorts,
			)

			for _, envVar := range link.ToEnv() {
				env = append(env, envVar)
			}
		}
	}
	return env, nil
}
func (daemon *Daemon) setupLinkedContainers(container *container.Container) ([]string, error) {
	var env []string
	children := daemon.children(container)

	bridgeSettings := container.NetworkSettings.Networks[runconfig.DefaultDaemonNetworkMode().NetworkName()]
	if bridgeSettings == nil || bridgeSettings.EndpointSettings == nil {
		return nil, nil
	}

	for linkAlias, child := range children {
		if !child.IsRunning() {
			return nil, fmt.Errorf("Cannot link to a non running container: %s AS %s", child.Name, linkAlias)
		}

		childBridgeSettings := child.NetworkSettings.Networks[runconfig.DefaultDaemonNetworkMode().NetworkName()]
		if childBridgeSettings == nil || childBridgeSettings.EndpointSettings == nil {
			return nil, fmt.Errorf("container %s not attached to default bridge network", child.ID)
		}

		link := links.NewLink(
			bridgeSettings.IPAddress,
			childBridgeSettings.IPAddress,
			linkAlias,
			child.Config.Env,
			child.Config.ExposedPorts,
		)

		env = append(env, link.ToEnv()...)
	}

	return env, nil
}