Introduce e2e test between vpnkit and tap-vsockd

Signed-off-by: Simon Ferquel <[email protected]>

Author: simonferquel

.travis.yml

@@ -12,4 +12,5 @@ before_install: # update to 17.05 to get multistage builds
   - sudo apt-get -y install docker-ce
 
 script:
+  - make e2e-vpnkit-tap-vsockd
   - cd go && make build-in-container

Makefile

@@ -82,7 +82,7 @@ COMMIT:
 	@mv $@.tmp $@
 
 .PHONY: clean
-clean:	
+clean:
 	rm -rf _build
 	rm -f vpnkit.exe
 	rm -f vpnkit.tgz
@@ -99,3 +99,16 @@ pkg-%:
 PKGS=$(basename $(wildcard *.opam))
 opam-pkg:
 	$(MAKE) $(PKGS:%=pkg-%)
+
+e2e-vpnkit-tap-vsockd:
+	docker build -t vpnkit-host .
+	docker build -t vpnkit-guest c/vpnkit-tap-vsockd
+	docker rm -f vpnkit-test-host vpnkit-test-guest || echo "no garbage container"
+	docker volume rm -f vpnkit-test
+	docker volume create vpnkit-test
+	docker run -d --name vpnkit-test-host -v vpnkit-test:/shared vpnkit-host /vpnkit --ethernet /shared/vpnkit.sock
+	docker run -d --name vpnkit-test-guest --network=none --cap-add NET_ADMIN -v vpnkit-test:/shared vpnkit-guest \
+		sh -c "mkdir -p /dev/net && mknod /dev/net/tun c 10 200 && /sbin/vpnkit-tap-vsockd --tap eth0 --path /shared/vpnkit.sock"
+	docker exec vpnkit-test-guest sh -c "dhclient eth0 && wget http://www.google.com"
+	docker rm -f vpnkit-test-host vpnkit-test-guest
+	docker volume rm -f vpnkit-test

c/vpnkit-tap-vsockd/Dockerfile

@@ -6,6 +6,6 @@ RUN make -C /build sbin/vpnkit-tap-vsockd
 
 # Using alpine rather than scratch allows us to support post-up scripts
 FROM alpine:3.8
-
+RUN apk add dhclient
 COPY --from=build /build/sbin/vpnkit-tap-vsockd /sbin/vpnkit-tap-vsockd
 CMD [ "/sbin/vpnkit-tap-vsockd", "--tap", "eth0", "--message-size", "8192", "--buffer-size", "262144", "--path", "/run/host-services/vpnkit.sock" ]