include IPv6 address of linked containers in /etc/hosts

Signed-off-by: Kamil Domański <kamil@domanski.co>
suwang48404 · Aug 31, 2019 · 186e22d · 186e22d
1 parent 339dd0a
commit 186e22d
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/daemon/container_operations.go b/daemon/container_operations.go
@@ -200,7 +200,14 @@ func (daemon *Daemon) buildSandboxOptions(container *container.Container) ([]lib
 		if alias != child.Name[1:] {
 			aliasList = aliasList + " " + child.Name[1:]
 		}
-		sboxOptions = append(sboxOptions, libnetwork.OptionExtraHost(aliasList, child.NetworkSettings.Networks[defaultNetName].IPAddress))
+		ipv4 := child.NetworkSettings.Networks[defaultNetName].IPAddress
+		ipv6 := child.NetworkSettings.Networks[defaultNetName].GlobalIPv6Address
+		if ipv4 != "" {
+			sboxOptions = append(sboxOptions, libnetwork.OptionExtraHost(aliasList, ipv4))
+		}
+		if ipv6 != "" {
+			sboxOptions = append(sboxOptions, libnetwork.OptionExtraHost(aliasList, ipv6))
+		}
 		cEndpointID = child.NetworkSettings.Networks[defaultNetName].EndpointID
 		if cEndpointID != "" {
 			childEndpoints = append(childEndpoints, cEndpointID)