func (daemon *Daemon) initializeNetworking(container *container.Container) error {
	var err error

	if container.HostConfig.NetworkMode.IsContainer() {
		// we need to get the hosts files from the container to join
		nc, err := daemon.getNetworkedContainer(container.ID, container.HostConfig.NetworkMode.ConnectedContainer())
		if err != nil {
			return err
		}
		container.HostnamePath = nc.HostnamePath
		container.HostsPath = nc.HostsPath
		container.ResolvConfPath = nc.ResolvConfPath
		container.Config.Hostname = nc.Config.Hostname
		container.Config.Domainname = nc.Config.Domainname
		return nil
	}

	if container.HostConfig.NetworkMode.IsHost() {
		container.Config.Hostname, err = os.Hostname()
		if err != nil {
			return err
		}
	}

	if err := daemon.allocateNetwork(container); err != nil {
		return err
	}

	return container.BuildHostnameFile()
}
func (daemon *Daemon) initializeNetworking(container *container.Container) error {
	var err error

	// TODO Windows: Remove this once TP4 builds are not supported
	// Windows TP4 build don't support libnetwork and in that case
	// daemon.netController will be nil
	if daemon.netController == nil {
		return nil
	}

	if container.HostConfig.NetworkMode.IsContainer() {
		// we need to get the hosts files from the container to join
		nc, err := daemon.getNetworkedContainer(container.ID, container.HostConfig.NetworkMode.ConnectedContainer())
		if err != nil {
			return err
		}
		container.HostnamePath = nc.HostnamePath
		container.HostsPath = nc.HostsPath
		container.ResolvConfPath = nc.ResolvConfPath
		container.Config.Hostname = nc.Config.Hostname
		container.Config.Domainname = nc.Config.Domainname
		return nil
	}

	if container.HostConfig.NetworkMode.IsHost() {
		container.Config.Hostname, err = os.Hostname()
		if err != nil {
			return err
		}

		parts := strings.SplitN(container.Config.Hostname, ".", 2)
		if len(parts) > 1 {
			container.Config.Hostname = parts[0]
			container.Config.Domainname = parts[1]
		}

	}

	if err := daemon.allocateNetwork(container); err != nil {
		return err
	}

	return container.BuildHostnameFile()
}
Beispiel #3
0
//网络初始化的相关操作。
func (daemon *Daemon) initializeNetworking(container *container.Container) error {
	var err error

	// TODO Windows: Remove this once TP4 builds are not supported
	// Windows TP4 build don't support libnetwork and in that case
	// daemon.netController will be nil
	if daemon.netController == nil {
		return nil
	}

	//网络模式是非主机模式下的设置,需要设置hostname文件,resove文件等。
	if container.HostConfig.NetworkMode.IsContainer() {
		// we need to get the hosts files from the container to join
		nc, err := daemon.getNetworkedContainer(container.ID, container.HostConfig.NetworkMode.ConnectedContainer())
		if err != nil {
			return err
		}
		container.HostnamePath = nc.HostnamePath
		container.HostsPath = nc.HostsPath
		container.ResolvConfPath = nc.ResolvConfPath
		container.Config.Hostname = nc.Config.Hostname
		container.Config.Domainname = nc.Config.Domainname
		return nil
	}

	//如果是主机模式,就是共享主机,不需要很多处理。
	if container.HostConfig.NetworkMode.IsHost() {
		container.Config.Hostname, err = os.Hostname()
		if err != nil {
			return err
		}
	}

	//分配网络的核心代码。就在本页。
	if err := daemon.allocateNetwork(container); err != nil {
		return err
	}

	//将主机名写入文件。主机名是随机生成的。
	return container.BuildHostnameFile()
}