Golang libnetwork.JoinOptionDNS函数代码示例

func (ej *endpointJoin) parseOptions() []libnetwork.EndpointOption {
	var setFctList []libnetwork.EndpointOption
	if ej.HostName != "" {
		setFctList = append(setFctList, libnetwork.JoinOptionHostname(ej.HostName))
	}
	if ej.DomainName != "" {
		setFctList = append(setFctList, libnetwork.JoinOptionDomainname(ej.DomainName))
	}
	if ej.HostsPath != "" {
		setFctList = append(setFctList, libnetwork.JoinOptionHostsPath(ej.HostsPath))
	}
	if ej.ResolvConfPath != "" {
		setFctList = append(setFctList, libnetwork.JoinOptionResolvConfPath(ej.ResolvConfPath))
	}
	if ej.UseDefaultSandbox {
		setFctList = append(setFctList, libnetwork.JoinOptionUseDefaultSandbox())
	}
	if ej.DNS != nil {
		for _, d := range ej.DNS {
			setFctList = append(setFctList, libnetwork.JoinOptionDNS(d))
		}
	}
	if ej.ExtraHosts != nil {
		for _, e := range ej.ExtraHosts {
			setFctList = append(setFctList, libnetwork.JoinOptionExtraHost(e.Name, e.Address))
		}
	}
	if ej.ParentUpdates != nil {
		for _, p := range ej.ParentUpdates {
			setFctList = append(setFctList, libnetwork.JoinOptionParentUpdate(p.EndpointID, p.Name, p.Address))
		}
	}
	return setFctList
}

func (container *Container) buildJoinOptions() ([]libnetwork.EndpointOption, error) {
	var (
		joinOptions []libnetwork.EndpointOption
		err         error
		dns         []string
		dnsSearch   []string
	)

	joinOptions = append(joinOptions, libnetwork.JoinOptionHostname(container.Config.Hostname),
		libnetwork.JoinOptionDomainname(container.Config.Domainname))

	if container.hostConfig.NetworkMode.IsHost() {
		joinOptions = append(joinOptions, libnetwork.JoinOptionUseDefaultSandbox())
	}

	container.HostsPath, err = container.GetRootResourcePath("hosts")
	if err != nil {
		return nil, err
	}
	joinOptions = append(joinOptions, libnetwork.JoinOptionHostsPath(container.HostsPath))

	container.ResolvConfPath, err = container.GetRootResourcePath("resolv.conf")
	if err != nil {
		return nil, err
	}
	joinOptions = append(joinOptions, libnetwork.JoinOptionResolvConfPath(container.ResolvConfPath))

	if len(container.hostConfig.DNS) > 0 {
		dns = container.hostConfig.DNS
	} else if len(container.daemon.config.Dns) > 0 {
		dns = container.daemon.config.Dns
	}

	for _, d := range dns {
		joinOptions = append(joinOptions, libnetwork.JoinOptionDNS(d))
	}

	if len(container.hostConfig.DNSSearch) > 0 {
		dnsSearch = container.hostConfig.DNSSearch
	} else if len(container.daemon.config.DnsSearch) > 0 {
		dnsSearch = container.daemon.config.DnsSearch
	}

	for _, ds := range dnsSearch {
		joinOptions = append(joinOptions, libnetwork.JoinOptionDNSSearch(ds))
	}

	if container.NetworkSettings.SecondaryIPAddresses != nil {
		name := container.Config.Hostname
		if container.Config.Domainname != "" {
			name = name + "." + container.Config.Domainname
		}

		for _, a := range container.NetworkSettings.SecondaryIPAddresses {
			joinOptions = append(joinOptions, libnetwork.JoinOptionExtraHost(name, a.Addr))
		}
	}

	var childEndpoints, parentEndpoints []string

	children, err := container.daemon.Children(container.Name)
	if err != nil {
		return nil, err
	}

	for linkAlias, child := range children {
		_, alias := path.Split(linkAlias)
		// allow access to the linked container via the alias, real name, and container hostname
		aliasList := alias + " " + child.Config.Hostname
		// only add the name if alias isn't equal to the name
		if alias != child.Name[1:] {
			aliasList = aliasList + " " + child.Name[1:]
		}
		joinOptions = append(joinOptions, libnetwork.JoinOptionExtraHost(aliasList, child.NetworkSettings.IPAddress))
		if child.NetworkSettings.EndpointID != "" {
			childEndpoints = append(childEndpoints, child.NetworkSettings.EndpointID)
		}
	}

	for _, extraHost := range container.hostConfig.ExtraHosts {
		// allow IPv6 addresses in extra hosts; only split on first ":"
		parts := strings.SplitN(extraHost, ":", 2)
		joinOptions = append(joinOptions, libnetwork.JoinOptionExtraHost(parts[0], parts[1]))
	}

	refs := container.daemon.ContainerGraph().RefPaths(container.ID)
	for _, ref := range refs {
		if ref.ParentID == "0" {
			continue
		}

		c, err := container.daemon.Get(ref.ParentID)
		if err != nil {
			logrus.Error(err)
		}

		if c != nil && !container.daemon.config.DisableBridge && container.hostConfig.NetworkMode.IsPrivate() {
			logrus.Debugf("Update /etc/hosts of %s for alias %s with ip %s", c.ID, ref.Name, container.NetworkSettings.IPAddress)
			joinOptions = append(joinOptions, libnetwork.JoinOptionParentUpdate(c.NetworkSettings.EndpointID, ref.Name, container.NetworkSettings.IPAddress))
			if c.NetworkSettings.EndpointID != "" {
//.........这里部分代码省略.........