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ymmt2005 revised this gist
May 15, 2018 . 1 changed file with 37 additions and 25 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -20,6 +20,7 @@ clean() { done if ip netns list | grep -q $NS; then #ip netns exec $NS ip link del node0 ip netns del $NS fi } @@ -37,6 +38,11 @@ cidr2ip() { echo $1 | cut -d / -f 1 } GW1=$(make_address $NET1 1) GW2=$(make_address $NET2 1) ADDR1=$(make_address $NET1 2) ADDR2=$(make_address $NET2 2) setup_veth() { local br veth dest br=$1 @@ -58,31 +64,37 @@ setup() { setup_veth $BR2 $VETH2 eth1 local gw1 gw2 ip addr add $GW1 dev $BR1 ip addr add $GW2 dev $BR2 $IPNS addr add $ADDR1 dev eth0 $IPNS addr add $ADDR2 dev eth1 $IPNS route add 0.0.0.0/0 nexthop via $(cidr2ip $GW1) nexthop via $(cidr2ip $GW2) } setup_node0() { $IPNS link add node0 type dummy $IPNS link set node0 up $IPNS addr add 192.168.10.2/32 dev node0 } test_route_from() { local dest dev from r rdev dest=$1 dev=$2 from=$3 r=$($IPNS -o route get $dest from $from) rdev=$(echo $r | sed -nr 's/^.*dev (eth[[:digit:]]+).*/\1/p') if [ "$dev" != "$rdev" ]; then echo "WRONG dev/from pair: ip -o route get $dest from $from:" printf "%s\n" "$r" return fi } test_route() { test_route_from "$1" eth0 $(cidr2ip $ADDR1) test_route_from "$1" eth1 $(cidr2ip $ADDR2) } run_tests() { @@ -92,15 +104,15 @@ run_tests() { test_route 216.58.200.162 test_route 216.58.200.163 test_route 216.58.200.164 test_route 52.85.149.10 test_route 52.85.149.11 test_route 52.85.149.12 test_route 52.85.149.13 test_route 52.85.149.14 } # main setup #setup_node0 run_tests read -p "Press enter to finish" ret -
May 14, 2018 . 1 changed file with 32 additions and 8 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -23,12 +23,20 @@ clean() { ip netns del $NS fi } trap clean INT QUIT TERM HUP PIPE 0 make_address() { local net addr net=$1 addr=$2 echo $net | sed "s/xx/$addr/" } cidr2ip() { echo $1 | cut -d / -f 1 } setup_veth() { local br veth dest br=$1 @@ -57,26 +65,42 @@ setup() { $IPNS addr add $(make_address $NET1 2) dev eth0 $IPNS netns exec $NS ip addr add $(make_address $NET2 2) dev eth1 $IPNS route add 0.0.0.0/0 nexthop via $(cidr2ip $gw1) nexthop via $(cidr2ip $gw2) } test_route() { local dest r dev src dest=$1 r=$($IPNS -o route get $dest) dev=$(echo $r | sed -nr 's/^.*dev (eth[[:digit:]]+).*/\1/p') src=$(echo $r | sed -nr 's/^.*src ([.[:digit:]]+).*/\1/p') if [ "$dev" = eth0 ] && [ "$src" != 192.168.11.2 ]; then echo "WRONG dev/src pair: dest=$dest dev=$dev src=$src" return fi if [ "$dev" = eth1 ] && [ "$src" != 192.168.12.2 ]; then echo "WRONG dev/src pair: dest=$dest dev=$dev src=$src" return fi echo "correct dev/src pair for $dest" } run_tests() { test_route 12.34.56.78 test_route 216.58.200.160 test_route 216.58.200.161 test_route 216.58.200.162 test_route 216.58.200.163 test_route 216.58.200.164 test_route 216.58.200.165 test_route 216.58.200.166 test_route 216.58.200.167 test_route 216.58.200.168 test_route 216.58.200.169 test_route 52.85.149.11 } # main setup run_tests read -p "Press enter to finish" ret -
May 11, 2018 .There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,82 @@ #!/bin/sh -e NS=testns BR1=testbr1 VETH1=testveth1 BR2=testbr2 VETH2=testveth2 LINKS="$VETH1 $VETH2 $BR1 $BR2" NET1=192.168.11.xx/24 NET2=192.168.12.xx/24 IPNS="ip netns exec $NS ip" clean() { for l in $LINKS; do if ip -o link show $l >/dev/null 2>&1; then ip link del $l fi done if ip netns list | grep -q $NS; then ip netns del $NS fi } make_address() { local net addr echo $net | sed "s/xx/$addr/" } setup_veth() { local br veth dest br=$1 veth=$2 dest=$3 ip link add $br type bridge ip link add $veth type veth peer name ${veth}_ ip link set $br up ip link set $veth master $br up ip link set ${veth}_ netns $NS name $dest up } setup() { ip netns add $NS $IPNS link set lo up setup_veth $BR1 $VETH1 eth0 setup_veth $BR2 $VETH2 eth1 local gw1 gw2 gw1=$(make_address $NET1 1) gw2=$(make_address $NET2 1) ip addr add $gw1 dev $BR1 ip addr add $gw2 dev $BR2 $IPNS addr add $(make_address $NET1 2) dev eth0 $IPNS netns exec $NS ip addr add $(make_address $NET2 2) dev eth1 $IPNS route add 0.0.0.0/0 nexthop via $gw1 nexthop via $gw2 } test_route() { local dest dest=$1 echo "ip route get $dest" $IPNS route get $dest } run_tests() { test_route 12.34.56.78 test_route 216.58.200.164 test_route 52.85.149.11 } # main clean setup run_tests read -p "Press enter to finish" ret clean