libpod: Move networkDisable to container_linux.go

This moves platform-specific details of the network implementation out
of the generic file so that we can add the FreeBSD equivalent.

[NO NEW TESTS NEEDED]

Signed-off-by: Doug Rabson <dfr@rabson.org>

libpod/container.go

@@ -1133,20 +1133,6 @@ func (c *Container) NetworkDisabled() (bool, error) {
 	return networkDisabled(c)
 }
 
-func networkDisabled(c *Container) (bool, error) {
-	if c.config.CreateNetNS {
-		return false, nil
-	}
-	if !c.config.PostConfigureNetNS {
-		for _, ns := range c.config.Spec.Linux.Namespaces {
-			if ns.Type == spec.NetworkNamespace {
-				return ns.Path == "", nil
-			}
-		}
-	}
-	return false, nil
-}
-
 func (c *Container) HostNetwork() bool {
 	if c.config.CreateNetNS || c.config.NetNsCtr != "" {
 		return false

libpod/container_freebsd.go

@@ -10,3 +10,13 @@ type containerPlatformState struct {
 	// namespace.
 	NetworkJail string `json:"-"`
 }
+
+func networkDisabled(c *Container) (bool, error) {
+	if c.config.CreateNetNS {
+		return false, nil
+	}
+	if !c.config.PostConfigureNetNS {
+		return c.state.NetworkJail == "", nil
+	}
+	return false, nil
+}

libpod/container_linux.go

@@ -5,6 +5,7 @@ package libpod
 
 import (
 	"github.com/containernetworking/plugins/pkg/ns"
+	spec "github.com/opencontainers/runtime-spec/specs-go"
 )
 
 type containerPlatformState struct {
@@ -13,3 +14,17 @@ type containerPlatformState struct {
 	// told to join another container's network namespace
 	NetNS ns.NetNS `json:"-"`
 }
+
+func networkDisabled(c *Container) (bool, error) {
+	if c.config.CreateNetNS {
+		return false, nil
+	}
+	if !c.config.PostConfigureNetNS {
+		for _, ns := range c.config.Spec.Linux.Namespaces {
+			if ns.Type == spec.NetworkNamespace {
+				return ns.Path == "", nil
+			}
+		}
+	}
+	return false, nil
+}