This series patch include test cases for ipvs.
The test topology is who as below:
+--------------------------------------------------------------+
| | |
| ns0 | ns1 |
| ----------- | ----------- ----------- |
| | veth01 | --------- | veth10 | | veth12 | |
| ----------- peer ----------- ----------- |
| | | | |
| ----------- | | |
| | br0 | |----------------- peer |--------------|
| ----------- | | |
| | | | |
| ---------- peer ---------- ----------- |
| | veth02 | --------- | veth20 | | veth12 | |
| ---------- | ---------- ----------- |
| | ns2 |
| | |
+--------------------------------------------------------------+
Test results:
# selftests: netfilter: ipvs.sh
# Testing DR mode...
# Testing NAT mode...
# Testing Tunnel mode...
# ipvs.sh: PASS
ok 6 selftests: netfilter: ipvs.sh
Signed-off-by: Haishuang Yan <[email protected]>
Haishuang Yan (3):
selftests: netfilter: add ipvs test script
selftests: netfilter: add ipvs nat test case
selftests: netfilter: add ipvs tunnel test case
tools/testing/selftests/netfilter/Makefile | 2 +-
tools/testing/selftests/netfilter/ipvs.sh | 228 +++++++++++++++++++++++++++++
2 files changed, 229 insertions(+), 1 deletion(-)
create mode 100755 tools/testing/selftests/netfilter/ipvs.sh
--
1.8.3.1
Test virtual server via NAT.
Tested:
# selftests: netfilter: ipvs.sh
# Testing DR mode...
# Testing NAT mode...
# ipvs.sh: PASS
Signed-off-by: Haishuang Yan <[email protected]>
---
tools/testing/selftests/netfilter/ipvs.sh | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/netfilter/ipvs.sh b/tools/testing/selftests/netfilter/ipvs.sh
index f844c0a..60250f7 100755
--- a/tools/testing/selftests/netfilter/ipvs.sh
+++ b/tools/testing/selftests/netfilter/ipvs.sh
@@ -154,20 +154,40 @@ test_dr() {
test_service
}
+test_nat() {
+ ip netns exec ns0 ip route add ${vip_v4} via ${gip_v4} dev br0
+
+ ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1
+ ip netns exec ns1 ipvsadm -A -t ${vip_v4}:${port} -s rr
+ ip netns exec ns1 ipvsadm -a -m -t ${vip_v4}:${port} -r ${rip_v4}:${port}
+ ip netns exec ns1 ip addr add ${vip_v4}/32 dev lo:1
+
+ ip netns exec ns2 ip link del veth20
+ ip netns exec ns2 ip route add default via ${dip_v4} dev veth21
+
+ test_service
+}
+
run_tests() {
local errors=
echo "Testing DR mode..."
+ cleanup
setup
test_dr
errors=$(( $errors + $? ))
+ echo "Testing NAT mode..."
+ cleanup
+ setup
+ test_nat
+ errors=$(( $errors + $? ))
+
return $errors
}
trap cleanup EXIT
-cleanup
run_tests
if [ $? -ne 0 ]; then
--
1.8.3.1
Test virtual server via ipip tunnel.
Tested:
# selftests: netfilter: ipvs.sh
# Testing DR mode...
# Testing NAT mode...
# Testing Tunnel mode...
# ipvs.sh: PASS
ok 6 selftests: netfilter: ipvs.sh
Signed-off-by: Haishuang Yan <[email protected]>
---
v2: optimize test script
---
tools/testing/selftests/netfilter/ipvs.sh | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/tools/testing/selftests/netfilter/ipvs.sh b/tools/testing/selftests/netfilter/ipvs.sh
index 60250f7..edea729 100755
--- a/tools/testing/selftests/netfilter/ipvs.sh
+++ b/tools/testing/selftests/netfilter/ipvs.sh
@@ -168,6 +168,30 @@ test_nat() {
test_service
}
+test_tun() {
+ ip netns exec ns0 ip route add ${vip_v4} via ${gip_v4} dev br0
+
+ ip netns exec ns1 modprobe ipip
+ ip netns exec ns1 ip link set tunl0 up
+ ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=0
+ ip netns exec ns1 sysctl -qw net.ipv4.conf.all.send_redirects=0
+ ip netns exec ns1 sysctl -qw net.ipv4.conf.default.send_redirects=0
+ ip netns exec ns1 ipvsadm -A -t ${vip_v4}:${port} -s rr
+ ip netns exec ns1 ipvsadm -a -i -t ${vip_v4}:${port} -r ${rip_v4}:${port}
+ ip netns exec ns1 ip addr add ${vip_v4}/32 dev lo:1
+
+ ip netns exec ns2 modprobe ipip
+ ip netns exec ns2 ip link set tunl0 up
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_ignore=1
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_announce=2
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=0
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.tunl0.rp_filter=0
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.veth21.rp_filter=0
+ ip netns exec ns2 ip addr add ${vip_v4}/32 dev lo:1
+
+ test_service
+}
+
run_tests() {
local errors=
@@ -183,6 +207,12 @@ run_tests() {
test_nat
errors=$(( $errors + $? ))
+ echo "Testing Tunnel mode..."
+ cleanup
+ setup
+ test_tun
+ errors=$(( $errors + $? ))
+
return $errors
}
--
1.8.3.1
Test virutal server via directing routing for IPv4.
Tested:
# selftests: netfilter: ipvs.sh
# Testing DR mode...
# ipvs.sh: PASS
ok 6 selftests: netfilter: ipvs.sh
Signed-off-by: Haishuang Yan <[email protected]>
---
v5: use cmp to compare two file contents suggested by Simon Horman
v4: use #!/bin/bash -p suggested by Duncan Roe
v3: use bash style
v2: optimize test script
---
tools/testing/selftests/netfilter/Makefile | 2 +-
tools/testing/selftests/netfilter/ipvs.sh | 178 +++++++++++++++++++++++++++++
2 files changed, 179 insertions(+), 1 deletion(-)
create mode 100755 tools/testing/selftests/netfilter/ipvs.sh
diff --git a/tools/testing/selftests/netfilter/Makefile b/tools/testing/selftests/netfilter/Makefile
index 4144984..de1032b 100644
--- a/tools/testing/selftests/netfilter/Makefile
+++ b/tools/testing/selftests/netfilter/Makefile
@@ -2,6 +2,6 @@
# Makefile for netfilter selftests
TEST_PROGS := nft_trans_stress.sh nft_nat.sh bridge_brouter.sh \
- conntrack_icmp_related.sh nft_flowtable.sh
+ conntrack_icmp_related.sh nft_flowtable.sh ipvs.sh
include ../lib.mk
diff --git a/tools/testing/selftests/netfilter/ipvs.sh b/tools/testing/selftests/netfilter/ipvs.sh
new file mode 100755
index 0000000..f844c0a
--- /dev/null
+++ b/tools/testing/selftests/netfilter/ipvs.sh
@@ -0,0 +1,178 @@
+#!/bin/bash -p
+# SPDX-License-Identifier: GPL-2.0
+#
+# End-to-end ipvs test suite
+# Topology:
+#--------------------------------------------------------------+
+# | |
+# ns0 | ns1 |
+# ----------- | ----------- ----------- |
+# | veth01 | --------- | veth10 | | veth12 | |
+# ----------- peer ----------- ----------- |
+# | | | |
+# ----------- | | |
+# | br0 | |----------------- peer |--------------|
+# ----------- | | |
+# | | | |
+# ---------- peer ---------- ----------- |
+# | veth02 | --------- | veth20 | | veth21 | |
+# ---------- | ---------- ----------- |
+# | ns2 |
+# | |
+#--------------------------------------------------------------+
+#
+# We assume that all network driver are loaded
+#
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+ret=0
+GREEN='\033[0;92m'
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+
+readonly port=8080
+
+readonly vip_v4=207.175.44.110
+readonly cip_v4=10.0.0.2
+readonly gip_v4=10.0.0.1
+readonly dip_v4=172.16.0.1
+readonly rip_v4=172.16.0.2
+readonly sip_v4=10.0.0.3
+
+readonly infile="$(mktemp)"
+readonly outfile="$(mktemp)"
+readonly datalen=32
+
+sysipvsnet="/proc/sys/net/ipv4/vs/"
+if [ ! -d $sysipvsnet ]; then
+ modprobe -q ip_vs
+ if [ $? -ne 0 ]; then
+ echo "skip: could not run test without ipvs module"
+ exit $ksft_skip
+ fi
+fi
+
+ip -Version > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+ echo "SKIP: Could not run test without ip tool"
+ exit $ksft_skip
+fi
+
+ipvsadm -v > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+ echo "SKIP: Could not run test without ipvsadm"
+ exit $ksft_skip
+fi
+
+setup() {
+ ip netns add ns0
+ ip netns add ns1
+ ip netns add ns2
+
+ ip link add veth01 netns ns0 type veth peer name veth10 netns ns1
+ ip link add veth02 netns ns0 type veth peer name veth20 netns ns2
+ ip link add veth12 netns ns1 type veth peer name veth21 netns ns2
+
+ ip netns exec ns0 ip link set veth01 up
+ ip netns exec ns0 ip link set veth02 up
+ ip netns exec ns0 ip link add br0 type bridge
+ ip netns exec ns0 ip link set veth01 master br0
+ ip netns exec ns0 ip link set veth02 master br0
+ ip netns exec ns0 ip link set br0 up
+ ip netns exec ns0 ip addr add ${cip_v4}/24 dev br0
+
+ ip netns exec ns1 ip link set lo up
+ ip netns exec ns1 ip link set veth10 up
+ ip netns exec ns1 ip addr add ${gip_v4}/24 dev veth10
+ ip netns exec ns1 ip link set veth12 up
+ ip netns exec ns1 ip addr add ${dip_v4}/24 dev veth12
+
+ ip netns exec ns2 ip link set lo up
+ ip netns exec ns2 ip link set veth21 up
+ ip netns exec ns2 ip addr add ${rip_v4}/24 dev veth21
+ ip netns exec ns2 ip link set veth20 up
+ ip netns exec ns2 ip addr add ${sip_v4}/24 dev veth20
+
+ sleep 1
+
+ dd if=/dev/urandom of="${infile}" bs="${datalen}" count=1 status=none
+}
+
+cleanup() {
+ for i in 0 1 2
+ do
+ ip netns del ns$i > /dev/null 2>&1
+ done
+
+ if [ -f "${outfile}" ]; then
+ rm "${outfile}"
+ fi
+ if [ -f "${infile}" ]; then
+ rm "${infile}"
+ fi
+}
+
+server_listen() {
+ ip netns exec ns2 nc -l -p 8080 > "${outfile}" &
+ server_pid=$!
+ sleep 0.2
+}
+
+client_connect() {
+ ip netns exec ns0 timeout 2 nc -w 1 ${vip_v4} ${port} < "${infile}"
+}
+
+verify_data() {
+ wait "${server_pid}"
+ cmp "$infile" "$outfile" 2>/dev/null
+}
+
+test_service() {
+ server_listen
+ client_connect
+ verify_data
+}
+
+
+test_dr() {
+ ip netns exec ns0 ip route add ${vip_v4} via ${gip_v4} dev br0
+
+ ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1
+ ip netns exec ns1 ipvsadm -A -t ${vip_v4}:${port} -s rr
+ ip netns exec ns1 ipvsadm -a -t ${vip_v4}:${port} -r ${rip_v4}:${port}
+ ip netns exec ns1 ip addr add ${vip_v4}/32 dev lo:1
+
+ # avoid incorrect arp response
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_ignore=1
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_announce=2
+ # avoid reverse route lookup
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=0
+ ip netns exec ns2 sysctl -qw net.ipv4.conf.veth21.rp_filter=0
+ ip netns exec ns2 ip addr add ${vip_v4}/32 dev lo:1
+
+ test_service
+}
+
+run_tests() {
+ local errors=
+
+ echo "Testing DR mode..."
+ setup
+ test_dr
+ errors=$(( $errors + $? ))
+
+ return $errors
+}
+
+trap cleanup EXIT
+
+cleanup
+run_tests
+
+if [ $? -ne 0 ]; then
+ echo -e "$(basename $0): ${RED}FAIL${NC}"
+ exit 1
+fi
+echo -e "$(basename $0): ${GREEN}PASS${NC}"
+exit 0
--
1.8.3.1
On Wed, Oct 09, 2019 at 07:16:28PM +0800, Haishuang Yan wrote:
> Test virutal server via directing routing for IPv4.
>
> Tested:
>
> # selftests: netfilter: ipvs.sh
> # Testing DR mode...
> # ipvs.sh: PASS
> ok 6 selftests: netfilter: ipvs.sh
>
> Signed-off-by: Haishuang Yan <[email protected]>
> ---
> v5: use cmp to compare two file contents suggested by Simon Horman
> v4: use #!/bin/bash -p suggested by Duncan Roe
> v3: use bash style
> v2: optimize test script
> ---
> tools/testing/selftests/netfilter/Makefile | 2 +-
> tools/testing/selftests/netfilter/ipvs.sh | 178 +++++++++++++++++++++++++++++
> 2 files changed, 179 insertions(+), 1 deletion(-)
> create mode 100755 tools/testing/selftests/netfilter/ipvs.sh
>
> diff --git a/tools/testing/selftests/netfilter/Makefile b/tools/testing/selftests/netfilter/Makefile
> index 4144984..de1032b 100644
> --- a/tools/testing/selftests/netfilter/Makefile
> +++ b/tools/testing/selftests/netfilter/Makefile
> @@ -2,6 +2,6 @@
> # Makefile for netfilter selftests
>
> TEST_PROGS := nft_trans_stress.sh nft_nat.sh bridge_brouter.sh \
> - conntrack_icmp_related.sh nft_flowtable.sh
> + conntrack_icmp_related.sh nft_flowtable.sh ipvs.sh
>
> include ../lib.mk
> diff --git a/tools/testing/selftests/netfilter/ipvs.sh b/tools/testing/selftests/netfilter/ipvs.sh
> new file mode 100755
> index 0000000..f844c0a
> --- /dev/null
> +++ b/tools/testing/selftests/netfilter/ipvs.sh
> @@ -0,0 +1,178 @@
> +#!/bin/bash -p
Please change this to /bin/sh