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Merge pull request #49392 from uvNikita/nixos/containers/veths

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nixos/containers: don't create veths if not configured
This commit is contained in:
Jörg Thalheim 2018-12-03 23:44:50 +00:00 committed by GitHub
commit 958d8e625e
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1 changed files with 9 additions and 5 deletions
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14
nixos/modules/virtualisation/containers.nix
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@ -36,7 +36,7 @@ let
#! ${pkgs.runtimeShell} -e
# Initialise the container side of the veth pair.
if [ "$PRIVATE_NETWORK" = 1 ]; then
if [ -n "$HOST_ADDRESS" ] || [ -n "$LOCAL_ADDRESS" ]; then
ip link set host0 name eth0
ip link set dev eth0 up
@ -85,6 +85,10 @@ let
cp --remove-destination /etc/resolv.conf "$root/etc/resolv.conf"
if [ "$PRIVATE_NETWORK" = 1 ]; then
extraFlags+=" --private-network"
fi
if [ -n "$HOST_ADDRESS" ] || [ -n "$LOCAL_ADDRESS" ]; then
extraFlags+=" --network-veth"
if [ -n "$HOST_BRIDGE" ]; then
extraFlags+=" --network-bridge=$HOST_BRIDGE"
@ -153,7 +157,7 @@ let
# Clean up existing machined registration and interfaces.
machinectl terminate "$INSTANCE" 2> /dev/null || true
if [ "$PRIVATE_NETWORK" = 1 ]; then
if [ -n "$HOST_ADDRESS" ] || [ -n "$LOCAL_ADDRESS" ]; then
ip link del dev "ve-$INSTANCE" 2> /dev/null || true
ip link del dev "vb-$INSTANCE" 2> /dev/null || true
fi
@ -200,7 +204,7 @@ let
'';
in
''
if [ "$PRIVATE_NETWORK" = 1 ]; then
if [ -n "$HOST_ADDRESS" ] || [ -n "$LOCAL_ADDRESS" ]; then
if [ -z "$HOST_BRIDGE" ]; then
ifaceHost=ve-$INSTANCE
ip link set dev $ifaceHost up
@ -352,7 +356,7 @@ let
List of forwarded ports from host to container. Each forwarded port
is specified by protocol, hostPort and containerPort. By default,
protocol is tcp and hostPort and containerPort are assumed to be
the same if containerPort is not explicitly given.
the same if containerPort is not explicitly given.
'';
};
@ -699,7 +703,7 @@ in
# container so that container@.target can get the container
# configuration.
environment.etc =
let mkPortStr = p: p.protocol + ":" + (toString p.hostPort) + ":" + (if p.containerPort == null then toString p.hostPort else toString p.containerPort);
let mkPortStr = p: p.protocol + ":" + (toString p.hostPort) + ":" + (if p.containerPort == null then toString p.hostPort else toString p.containerPort);
in mapAttrs' (name: cfg: nameValuePair "containers/${name}.conf"
{ text =
''