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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
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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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10
nixos/modules/virtualisation/containers.nix
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@ -36,7 +36,7 @@ let
#! ${pkgs.runtimeShell} -e #! ${pkgs.runtimeShell} -e
# Initialise the container side of the veth pair. # Initialise the container side of the veth pair.
if [ "$PRIVATE_NETWORK" = 1 ]; then if [ -n "$HOST_ADDRESS" ] || [ -n "$LOCAL_ADDRESS" ]; then
ip link set host0 name eth0 ip link set host0 name eth0
ip link set dev eth0 up ip link set dev eth0 up
@ -85,6 +85,10 @@ let
cp --remove-destination /etc/resolv.conf "$root/etc/resolv.conf" cp --remove-destination /etc/resolv.conf "$root/etc/resolv.conf"
if [ "$PRIVATE_NETWORK" = 1 ]; then if [ "$PRIVATE_NETWORK" = 1 ]; then
extraFlags+=" --private-network"
fi
if [ -n "$HOST_ADDRESS" ] || [ -n "$LOCAL_ADDRESS" ]; then
extraFlags+=" --network-veth" extraFlags+=" --network-veth"
if [ -n "$HOST_BRIDGE" ]; then if [ -n "$HOST_BRIDGE" ]; then
extraFlags+=" --network-bridge=$HOST_BRIDGE" extraFlags+=" --network-bridge=$HOST_BRIDGE"
@ -153,7 +157,7 @@ let
# Clean up existing machined registration and interfaces. # Clean up existing machined registration and interfaces.
machinectl terminate "$INSTANCE" 2> /dev/null || true machinectl terminate "$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 "ve-$INSTANCE" 2> /dev/null || true
ip link del dev "vb-$INSTANCE" 2> /dev/null || true ip link del dev "vb-$INSTANCE" 2> /dev/null || true
fi fi
@ -200,7 +204,7 @@ let
''; '';
in in
'' ''
if [ "$PRIVATE_NETWORK" = 1 ]; then if [ -n "$HOST_ADDRESS" ] || [ -n "$LOCAL_ADDRESS" ]; then
if [ -z "$HOST_BRIDGE" ]; then if [ -z "$HOST_BRIDGE" ]; then
ifaceHost=ve-$INSTANCE ifaceHost=ve-$INSTANCE
ip link set dev $ifaceHost up ip link set dev $ifaceHost up