diff options
Diffstat (limited to 'libpod/networking_linux.go')
| -rw-r--r-- | libpod/networking_linux.go | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go index addf1814c..ef2f034ab 100644 --- a/libpod/networking_linux.go +++ b/libpod/networking_linux.go @@ -35,6 +35,15 @@ import ( "golang.org/x/sys/unix" ) +const ( + // slirp4netnsIP is the IP used by slirp4netns to configure the tap device + // inside the network namespace. + slirp4netnsIP = "10.0.2.100" + + // slirp4netnsDNS is the IP for the built-in DNS server in the slirp network + slirp4netnsDNS = "10.0.2.3" +) + // Get an OCICNI network config func (r *Runtime) getPodNetwork(id, name, nsPath string, networks []string, ports []ocicni.PortMapping, staticIP net.IP, staticMAC net.HardwareAddr, netDescriptions ContainerNetworkDescriptions) ocicni.PodNetwork { var networkKey string @@ -541,12 +550,25 @@ func (r *Runtime) setupRootlessPortMappingViaRLK(ctr *Container, netnsPath strin } } + childIP := slirp4netnsIP +outer: + for _, r := range ctr.state.NetworkStatus { + for _, i := range r.IPs { + ipv4 := i.Address.IP.To4() + if ipv4 != nil { + childIP = ipv4.String() + break outer + } + } + } + cfg := rootlessport.Config{ Mappings: ctr.config.PortMappings, NetNSPath: netnsPath, ExitFD: 3, ReadyFD: 4, TmpDir: ctr.runtime.config.Engine.TmpDir, + ChildIP: childIP, } cfgJSON, err := json.Marshal(cfg) if err != nil { |