system-traffic: Standardize by replacing all wget instances with curl.

This patch replaces all remaining uses of wget with curl to ensure a consistent tool across all tests. It also removes the wget dependency from the documentation, and CI. Signed-off-by: Eelco Chaudron <echaudro@redhat.com> Acked-by: Simon Horman <horms@ovn.org>
openvswitch · Nov 29, 2024 · 54ba1e2 · 54ba1e2
1 parent 6bafaeb
commit 54ba1e2
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diff --git a/.cirrus.yml b/.cirrus.yml
@@ -8,7 +8,7 @@ freebsd_build_task:
     memory: 4G
 
   env:
-    DEPENDENCIES: automake libtool gmake gcc wget openssl python3
+    DEPENDENCIES: automake libtool gmake gcc openssl python3
     PY_DEPS:      sphinx|netaddr|pyparsing
     matrix:
       COMPILER: gcc

diff --git a/Documentation/intro/install/general.rst b/Documentation/intro/install/general.rst
@@ -150,9 +150,6 @@ The datapath tests for userspace and Linux datapaths also rely upon:
 - pyftpdlib. Version 1.2.0 is known to work. Earlier versions should
   also work.
 
-- GNU wget. Version 1.16 is known to work. Earlier versions should also
-  work.
-
 - netcat. Several common implementations are known to work.
 
 - curl. Version 7.47.0 is known to work. Earlier versions should also work.

diff --git a/tests/system-tap.at b/tests/system-tap.at
@@ -27,7 +27,7 @@ NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -W 2 10.1.1.2 | FORMAT_PING], [0],
 ])
 
 OVS_START_L7([at_ns1], [http])
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 OVS_TRAFFIC_VSWITCHD_STOP(["/.*ethtool command ETHTOOL_G.*/d"])
 

diff --git a/tests/system-traffic.at b/tests/system-traffic.at
@@ -38,7 +38,7 @@ NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -W 2 10.1.1.2 | FORMAT_PING], [0],
 ])
 
 OVS_START_L7([at_ns1], [http])
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 OVS_TRAFFIC_VSWITCHD_STOP
 AT_CLEANUP
@@ -3508,10 +3508,10 @@ OVS_START_L7([at_ns1], [http])
 OVS_START_L7([at_ns3], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 dnl HTTP requests from p2->p3 should work fine.
-NS_CHECK_EXEC([at_ns2], [wget 10.1.1.4 -t 3 -T 1 --retry-connrefused -v -o wget1.log])
+NS_CHECK_EXEC([at_ns2], OVS_GET_HTTP([10.1.1.4]), [0], [ignore], [ignore])
 
 OVS_TRAFFIC_VSWITCHD_STOP
 AT_CLEANUP
@@ -3554,7 +3554,7 @@ OVS_START_L7([at_ns3], [http])
 NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [28], [ignore], [ignore])
 
 dnl For the second pair, we allow packets from invalid connections, so it works.
-NS_CHECK_EXEC([at_ns2], [wget 10.1.1.4 -t 3 -T 1 --retry-connrefused -v -o wget1.log])
+NS_CHECK_EXEC([at_ns2], OVS_GET_HTTP([10.1.1.4]), [0], [ignore], [ignore])
 
 OVS_TRAFFIC_VSWITCHD_STOP
 AT_CLEANUP
@@ -3590,7 +3590,7 @@ OVS_START_L7([at_ns1], [http])
 OVS_START_L7([at_ns3], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
@@ -3637,7 +3637,7 @@ OVS_START_L7([at_ns1], [http])
 OVS_START_L7([at_ns3], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=4097,protoinfo=(state=<cleared>)
@@ -3679,7 +3679,7 @@ AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 OVS_START_L7([at_ns1], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,dnl
@@ -3705,7 +3705,7 @@ AT_CHECK([ovs-ofctl mod-flows br0 dnl
 dnl Wait for a flow flush as some datapaths (read TC) might take time to clear.
 AT_CHECK([ovs-appctl revalidator/wait], [0])
 
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-flows --names filter=in_port=ovs-p0 dnl
               | grep "+trk" | grep -q "ct_zone(0xf)" ], [0], [])
@@ -3739,7 +3739,7 @@ AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 OVS_START_L7([at_ns1], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,dnl
@@ -3757,7 +3757,7 @@ AT_CHECK([ovs-ofctl mod-flows br0 'priority=100,ct_state=-trk,tcp,in_port="ovs-p
 dnl Wait for a flow flush as some datapaths (read TC) might take time to clear.
 AT_CHECK([ovs-appctl revalidator/wait], [0])
 
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-flows --names filter=in_port=ovs-p0 dnl
               | grep "+trk" | sed 's/0xffff000f\/0xffff/0xf\/0xffff/' dnl
@@ -3805,7 +3805,7 @@ AT_CHECK([ovs-ofctl --bundle add-flows br1 flows-br1.txt])
 
 dnl HTTP requests from p0->p1 should work fine.
 OVS_START_L7([at_ns1], [http])
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 OVS_TRAFFIC_VSWITCHD_STOP
 AT_CLEANUP
@@ -3834,10 +3834,10 @@ AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 OVS_START_L7([at_ns1], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 dnl (again) HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
@@ -3876,10 +3876,10 @@ AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
 OVS_START_L7([at_ns1], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 dnl (again) HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
@@ -3921,7 +3921,7 @@ OVS_START_L7([at_ns1], [http])
 OVS_START_L7([at_ns3], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),mark=1,protoinfo=(state=<cleared>)
 ])
@@ -3963,7 +3963,7 @@ AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 OVS_START_L7([at_ns1], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),mark=3,protoinfo=(state=<cleared>)
@@ -4002,7 +4002,7 @@ OVS_START_L7([at_ns1], [http])
 OVS_START_L7([at_ns3], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),mark=1,protoinfo=(state=<cleared>)
 ])
@@ -4048,7 +4048,7 @@ OVS_START_L7([at_ns1], [http])
 OVS_START_L7([at_ns3], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 dnl HTTP requests from p2->p3 should fail due to network failure.
 dnl Try 3 times, in 1 second intervals.
@@ -4084,7 +4084,7 @@ AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 OVS_START_L7([at_ns1], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),labels=0x200000001,protoinfo=(state=<cleared>)
@@ -4122,7 +4122,7 @@ AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 OVS_START_L7([at_ns1], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,mark=3,labels=0x200000001,protoinfo=(state=<cleared>)
@@ -5458,7 +5458,7 @@ OVS_START_L7([at_ns0], [http])
 OVS_START_L7([at_ns1], [http])
 
 dnl HTTP requests from ns0->ns1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
 ])
@@ -5499,7 +5499,7 @@ OVS_START_L7([at_ns0], [http6])
 OVS_START_L7([at_ns1], [http6])
 
 dnl HTTP requests from ns0->ns1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget http://[[fc00::2]] -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([http://[[fc00::2]]]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
 tcp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
@@ -5545,10 +5545,10 @@ OVS_START_L7([at_ns1], [http])
 OVS_START_L7([at_ns3], [http])
 
 dnl HTTP requests from p0->p1 should work fine.
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 dnl HTTP requests from p2->p3 should work fine.
-NS_CHECK_EXEC([at_ns2], [wget 10.1.1.4 -t 3 -T 1 --retry-connrefused -v -o wget1.log])
+NS_CHECK_EXEC([at_ns2], OVS_GET_HTTP([10.1.1.4]), [0], [ignore], [ignore])
 
 OVS_TRAFFIC_VSWITCHD_STOP
 AT_CLEANUP
@@ -5589,10 +5589,10 @@ AT_CHECK([ping -q -c 3 -i 0.3 -W 2 10.1.1.2 | FORMAT_PING], [0], [dnl
 OVS_START_L7([at_ns0], [http])
 
 dnl HTTP requests from root namespace to p0 should work fine.
-AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+AT_CHECK(OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
-dnl (again) HTTP requests from root namespace to  p0 should work fine.
-AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+dnl (again) HTTP requests from root namespace to p0 should work fine.
+AT_CHECK(OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | grep "zone"], [0], [dnl
 icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0),zone=1
@@ -5662,10 +5662,10 @@ AT_CHECK([ping -q -c 3 -i 0.3 -W 2 10.1.1.2 | FORMAT_PING], [0], [dnl
 OVS_START_L7([at_ns0], [http])
 
 dnl HTTP requests from root namespace to p0 should work fine.
-AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+AT_CHECK(OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 dnl (again) HTTP requests from root namespace to p0 should work fine.
-AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+AT_CHECK(OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | grep "zone"], [0], [dnl
 icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0),zone=1
@@ -6542,7 +6542,7 @@ AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 
 dnl HTTP requests from p0->p1 should work fine.
 OVS_START_L7([at_ns1], [http])
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 5 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sed -e 's/dst=10.1.1.2[[45]][[0-9]]/dst=10.1.1.2XX/' | uniq], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.2XX,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
@@ -6632,7 +6632,7 @@ AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 
 dnl HTTP requests from p0->p1 should work fine.
 OVS_START_L7([at_ns1], [http])
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 5 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sed -e 's/dst=10.1.1.2[[45]][[0-9]]/dst=10.1.1.2XX/' | uniq], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.2XX,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
@@ -6794,7 +6794,7 @@ AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 
 dnl HTTP requests from p0->p1 should work fine.
 OVS_START_L7([at_ns1], [http])
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 5 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sed -e 's/dst=10.1.1.2[[45]][[0-9]]/dst=10.1.1.2XX/' | uniq], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.2XX,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
@@ -6888,14 +6888,14 @@ AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 
 dnl Should work with the virtual IP address through NAT
 OVS_START_L7([at_ns1], [http])
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.64 -t 5 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.64]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.64)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.64,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
 ])
 
 dnl Should work with the assigned IP address as well
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
@@ -6926,7 +6926,7 @@ table=2,in_port=1,ip,ct_mark=0xac,ct_label=0xac,actions=2
 ])
 AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 
-NS_CHECK_EXEC([at_ns0], [wget http://172.1.1.2:8080 -t 5 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([http://172.1.1.2:8080]), [0], [ignore], [ignore])
 
 dnl - make sure only dst nat has been performed
 AT_CHECK([ovs-appctl dpctl/dump-conntrack |  FORMAT_CT(10.1.1.240)], [0], [dnl
@@ -6984,14 +6984,14 @@ AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])
 
 dnl Should work with the virtual IP address through NAT
 OVS_START_L7([at_ns1], [http])
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.64 -t 5 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.64]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.64)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.64,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
 ])
 
 dnl Should work with the assigned IP address as well
-NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([10.1.1.2]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
@@ -7804,7 +7804,7 @@ OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2])
 dnl HTTP requests from ns0->ns1 should work fine.
 OVS_START_L7([at_ns1], [http6])
 
-NS_CHECK_EXEC([at_ns0], [wget http://[[fc00::2]] -t 3 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([http://[[fc00::2]]]), [0], [ignore], [ignore])
 
 dnl HTTP requests from ns1->ns0 should fail due to network failure.
 dnl Try 3 times, in 1 second intervals.
@@ -7848,7 +7848,7 @@ NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -W 2 fc00::240 | FORMAT_PING], [0]
 
 dnl Should work with the virtual IP address through NAT
 OVS_START_L7([at_ns1], [http6])
-NS_CHECK_EXEC([at_ns0], [wget http://[[fc00::240]] -t 5 -T 1 --retry-connrefused -v -o wget0.log])
+NS_CHECK_EXEC([at_ns0], OVS_GET_HTTP([http://[[fc00::240]]]), [0], [ignore], [ignore])
 
 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::1)], [0], [dnl
 icmpv6,orig=(src=fc00::1,dst=fc00::240,id=<cleared>,type=128,code=0),reply=(src=fc00::2,dst=fc00::1,id=<cleared>,type=129,code=0),zone=1
@@ -8262,7 +8262,7 @@ on_exit 'ovs-appctl dpif/dump-flows br0'
 dnl Should work with the virtual IP address through NAT
 for i in $(seq 1 50); do
     echo Request $i
-    NS_CHECK_EXEC([at_ns1], [wget 10.1.1.64 -t 5 -T 1 --retry-connrefused -v -o wget$i.log])
+    NS_CHECK_EXEC([at_ns1], OVS_GET_HTTP([10.1.1.64]), [0], [ignore], [ignore])
 done
 
 dnl Each server should have at least one connection.