integration test: accept before kretprobe

integration/314_container_accept_before_kretprobe_test.sh

@@ -0,0 +1,39 @@
+#! /bin/bash
+
+# shellcheck disable=SC1091
+. ./config.sh
+
+start_suite "Test accept before kretprobe, see https://github.com/weaveworks/tcptracer-bpf/issues/10"
+
+weave_on "$HOST1" launch
+
+# Launch the server before Scope to make sure it calls accept() before Scope's
+# kretprobe on the accept function is installed. We use busybox' nc instead of
+# Alpine's nc so that it blocks on the accept() syscall.
+weave_on "$HOST1" run -d --name server busybox /bin/sh -c "while true; do \
+		date ;
+		sleep 1 ;
+	done | nc -l -p 8080"
+
+scope_on "$HOST1" launch --probe.ebpf.connections=true
+wait_for_containers "$HOST1" 60 server
+has_container "$HOST1" server
+
+weave_on "$HOST1" run -d --name client busybox /bin/sh -c "ping -c 5 server.weave.local; \
+	while true; do \
+		date ;
+		sleep 1 ;
+	done | nc server.weave.local 8080"
+
+wait_for_containers "$HOST1" 60 server client
+
+has_container "$HOST1" client
+
+list_containers "$HOST1"
+list_connections "$HOST1"
+
+has_connection containers "$HOST1" client server
+
+endpoints_have_ebpf "$HOST1"
+
+scope_end_suite

integration/setup.sh

@@ -26,6 +26,7 @@ setup_host() {
     echo Prefetching Images on "$HOST"
     docker_on "$HOST" pull peterbourgon/tns-db
     docker_on "$HOST" pull alpine
+    docker_on "$HOST" pull busybox
     docker_on "$HOST" pull nginx
 }