diff options
Diffstat (limited to 'src/Network.hs')
-rw-r--r-- | src/Network.hs | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/src/Network.hs b/src/Network.hs index 4cc74cb..6e3568d 100644 --- a/src/Network.hs +++ b/src/Network.hs @@ -5,9 +5,6 @@ module Network ( NodeName(..), textNodeName, unpackNodeName, nextNodeName, - HasNetns(..), - callOn, - newInternet, delInternet, newSubnet, newNode, @@ -92,13 +89,12 @@ nextNodeName (VarName tname) = go 0 | otherwise = go n ns -class HasNetns a where netnsName :: a -> Text -instance HasNetns Network where netnsName n = "s" <> textNetworkName n -instance HasNetns Node where netnsName n = netnsName (nodeNetwork n) <> ":" <> textNodeName (nodeName n) - -callOn :: HasNetns a => a -> Text -> IO () -callOn n cmd = callCommand $ T.unpack $ "ip netns exec \"" <> netnsName n <> "\" " <> cmd +instance HasNetns Network where + netnsName n = NetworkNamespace $ "s" <> textNetworkName n +instance HasNetns Node where + netnsName n = NetworkNamespace $ + textNetnsName (netnsName (nodeNetwork n)) <> ":" <> textNodeName (nodeName n) instance ExprType Network where textExprType _ = T.pack "network" @@ -137,7 +133,7 @@ newSubnet net vname = do idx <- nextPrefix (netPrefix net) . map fst <$> readTVar (netSubnets net) sub <- newNetwork (ipSubnet idx (netPrefix net)) - (netDir net </> maybe (T.unpack $ netnsName net) (("sub_"++) . unpackVarName) vname) + (netDir net </> maybe (T.unpack $ textNetnsName $ netnsName net) (("sub_"++) . unpackVarName) vname) modifyTVar (netSubnets net) ((idx, sub) :) return (sub, idx) initNetwork sub @@ -149,7 +145,7 @@ newSubnet net vname = do liftIO $ do let veth = T.pack $ "veth_s" <> show idx - callOn net $ "ip link add " <> veth <> " type veth peer name veth0 netns \"" <> netnsName sub <> "\"" + callOn net $ "ip link add " <> veth <> " type veth peer name veth0 netns \"" <> textNetnsName (netnsName sub) <> "\"" callOn net $ "ip addr add dev " <> veth <> " " <> textIpAddressCidr router callOn net $ "ip link set dev " <> veth <> " up" @@ -177,7 +173,7 @@ initNetwork net = liftIO $ do let lan = lanSubnet $ netPrefix net lanIp = IpAddress lan createDirectoryIfMissing True $ netDir net - callCommand $ T.unpack $ "ip netns add \"" <> netnsName net <> "\"" + callCommand $ T.unpack $ "ip netns add \"" <> textNetnsName (netnsName net) <> "\"" callOn net $ "ip link add name br0 type bridge" callOn net $ "ip addr add " <> textIpAddressCidr (lanIp 1) <> " broadcast " <> textIpAddress (lanIp 255) <> " dev br0" callOn net $ "ip link set dev br0 up" @@ -206,8 +202,8 @@ newNode net vname = liftIO $ do createDirectoryIfMissing True dir let veth = T.pack $ "veth" <> show idx - callCommand $ T.unpack $ "ip netns add \"" <> netnsName node <> "\"" - callOn net $ "ip link add " <> veth <> " type veth peer name veth0 netns \"" <> netnsName node <> "\"" + callCommand $ T.unpack $ "ip netns add \"" <> textNetnsName (netnsName node) <> "\"" + callOn net $ "ip link add " <> veth <> " type veth peer name veth0 netns \"" <> textNetnsName (netnsName node) <> "\"" callOn net $ "ip link set dev " <> veth <> " master br0 up" callOn node $ "ip addr add " <> textIpAddressCidr (nodeIp node) <> " broadcast " <> textIpAddress (lanIp 255) <> " dev veth0" callOn node $ "ip link set dev veth0 up" |