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-rw-r--r--libpod/networking_linux.go11
1 files changed, 10 insertions, 1 deletions
diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go
index 6f56d2f8f..09fdea496 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
@@ -547,7 +556,7 @@ func (r *Runtime) setupRootlessPortMappingViaRLK(ctr *Container, netnsPath strin
ExitFD: 3,
ReadyFD: 4,
TmpDir: ctr.runtime.config.Engine.TmpDir,
- ChildIP: "10.0.2.100",
+ ChildIP: slirp4netnsIP,
}
cfgJSON, err := json.Marshal(cfg)
if err != nil {