diff options
Diffstat (limited to 'libpod')
| -rw-r--r-- | libpod/container_internal_linux.go | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go index 1b2f5a496..74a3fec32 100644 --- a/libpod/container_internal_linux.go +++ b/libpod/container_internal_linux.go @@ -1668,17 +1668,16 @@ func (c *Container) generateResolvConf() (string, error) { return "", err } - // Ensure that the container's /etc/resolv.conf is compatible with its - // network configuration. - // TODO: set ipv6 enable bool more sanely - resolv, err := resolvconf.FilterResolvDNS(contents, true, c.config.CreateNetNS) - if err != nil { - return "", errors.Wrapf(err, "error parsing host resolv.conf") - } - + ipv6 := false // Check if CNI gave back and DNS servers for us to add in cniResponse := c.state.NetworkStatus for _, i := range cniResponse { + for _, ip := range i.IPs { + // Note: only using To16() does not work since it also returns a vaild ip for ipv4 + if ip.Address.IP.To4() == nil && ip.Address.IP.To16() != nil { + ipv6 = true + } + } if i.DNS.Nameservers != nil { cniNameServers = append(cniNameServers, i.DNS.Nameservers...) logrus.Debugf("adding nameserver(s) from cni response of '%q'", i.DNS.Nameservers) @@ -1689,6 +1688,25 @@ func (c *Container) generateResolvConf() (string, error) { } } + if c.config.NetMode.IsSlirp4netns() { + ctrNetworkSlipOpts := []string{} + if c.config.NetworkOptions != nil { + ctrNetworkSlipOpts = append(ctrNetworkSlipOpts, c.config.NetworkOptions["slirp4netns"]...) + } + slirpOpts, err := parseSlirp4netnsNetworkOptions(c.runtime, ctrNetworkSlipOpts) + if err != nil { + return "", err + } + ipv6 = slirpOpts.enableIPv6 + } + + // Ensure that the container's /etc/resolv.conf is compatible with its + // network configuration. + resolv, err := resolvconf.FilterResolvDNS(contents, ipv6, c.config.CreateNetNS) + if err != nil { + return "", errors.Wrapf(err, "error parsing host resolv.conf") + } + dns := make([]net.IP, 0, len(c.runtime.config.Containers.DNSServers)) for _, i := range c.runtime.config.Containers.DNSServers { result := net.ParseIP(i) |