niedbalski · June 22, 2021 03:57
diff --git a/gistfile1.txt b/gistfile1.txt
 $ source netns-lxc.sh && sudo veth_interface_for_lxc container_name
 veth132
diff --git a/netns-lxc.sh b/netns-lxc.sh
 function veth_interface_for_lxc() {

  local pid=$(lxc-info -n ${1} -p | awk '{print $2}')

  mkdir -p /var/run/netns
  ln -sf /proc/$pid/ns/net "/var/run/netns/${1}"

  local index=$(ip netns exec "${1}" ip link show eth0 | head -n1 | sed s/:.*//)
  let index=index+1

  ip link show | grep "^${index}:" | sed "s/${index}: \(.*\):.*/\1/"

  rm -f "/var/run/netns/${1}"
 }
	$ source netns-lxc.sh && sudo veth_interface_for_lxc container_name
	veth132
	function veth_interface_for_lxc() {

	local pid=$(lxc-info -n ${1} -p \| awk '{print $2}')

	mkdir -p /var/run/netns
	ln -sf /proc/$pid/ns/net "/var/run/netns/${1}"

	local index=$(ip netns exec "${1}" ip link show eth0 \| head -n1 \| sed s/:.*//)
	let index=index+1

	ip link show \| grep "^${index}:" \| sed "s/${index}: \(.\):./\1/"

	rm -f "/var/run/netns/${1}"
	}