diff --git a/vendor/github.com/coreos/etcd/Makefile b/vendor/github.com/coreos/etcd/Makefile
new file mode 100644
index 0000000..a8eceef
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/Makefile
@@ -0,0 +1,517 @@
+# run from repository root
+
+
+
+# Example:
+#   make build
+#   make clean
+#   make docker-clean
+#   make docker-start
+#   make docker-kill
+#   make docker-remove
+
+.PHONY: build
+build:
+	GO_BUILD_FLAGS="-v" ./build
+	./bin/etcd --version
+	ETCDCTL_API=3 ./bin/etcdctl version
+
+clean:
+	rm -f ./codecov
+	rm -rf ./agent-*
+	rm -rf ./covdir
+	rm -f ./*.coverprofile
+	rm -f ./*.log
+	rm -f ./bin/Dockerfile-release
+	rm -rf ./bin/*.etcd
+	rm -rf ./default.etcd
+	rm -rf ./tests/e2e/default.etcd
+	rm -rf ./gopath
+	rm -rf ./gopath.proto
+	rm -rf ./release
+	rm -f ./snapshot/localhost:*
+	rm -f ./integration/127.0.0.1:* ./integration/localhost:*
+	rm -f ./clientv3/integration/127.0.0.1:* ./clientv3/integration/localhost:*
+	rm -f ./clientv3/ordering/127.0.0.1:* ./clientv3/ordering/localhost:*
+
+docker-clean:
+	docker images
+	docker image prune --force
+
+docker-start:
+	service docker restart
+
+docker-kill:
+	docker kill `docker ps -q` || true
+
+docker-remove:
+	docker rm --force `docker ps -a -q` || true
+	docker rmi --force `docker images -q` || true
+
+
+
+GO_VERSION ?= 1.10.3
+ETCD_VERSION ?= $(shell git rev-parse --short HEAD || echo "GitNotFound")
+
+TEST_SUFFIX = $(shell date +%s | base64 | head -c 15)
+TEST_OPTS ?= PASSES='unit'
+
+TMP_DIR_MOUNT_FLAG = --mount type=tmpfs,destination=/tmp
+ifdef HOST_TMP_DIR
+	TMP_DIR_MOUNT_FLAG = --mount type=bind,source=$(HOST_TMP_DIR),destination=/tmp
+endif
+
+
+
+# Example:
+#   GO_VERSION=1.8.7 make build-docker-test
+#   make build-docker-test
+#
+#   gcloud docker -- login -u _json_key -p "$(cat /etc/gcp-key-etcd-development.json)" https://gcr.io
+#   GO_VERSION=1.8.7 make push-docker-test
+#   make push-docker-test
+#
+#   gsutil -m acl ch -u allUsers:R -r gs://artifacts.etcd-development.appspot.com
+#   make pull-docker-test
+
+build-docker-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	@sed -i.bak 's|REPLACE_ME_GO_VERSION|$(GO_VERSION)|g' ./tests/Dockerfile
+	docker build \
+	  --tag gcr.io/etcd-development/etcd-test:go$(GO_VERSION) \
+	  --file ./tests/Dockerfile .
+	@mv ./tests/Dockerfile.bak ./tests/Dockerfile
+
+push-docker-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	gcloud docker -- push gcr.io/etcd-development/etcd-test:go$(GO_VERSION)
+
+pull-docker-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	docker pull gcr.io/etcd-development/etcd-test:go$(GO_VERSION)
+
+
+
+# Example:
+#   make build-docker-test
+#   make compile-with-docker-test
+#   make compile-setup-gopath-with-docker-test
+
+compile-with-docker-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	docker run \
+	  --rm \
+	  --mount type=bind,source=`pwd`,destination=/go/src/github.com/coreos/etcd \
+	  gcr.io/etcd-development/etcd-test:go$(GO_VERSION) \
+	  /bin/bash -c "GO_BUILD_FLAGS=-v ./build && ./bin/etcd --version"
+
+compile-setup-gopath-with-docker-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	docker run \
+	  --rm \
+	  --mount type=bind,source=`pwd`,destination=/etcd \
+	  gcr.io/etcd-development/etcd-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && ETCD_SETUP_GOPATH=1 GO_BUILD_FLAGS=-v ./build && ./bin/etcd --version && rm -rf ./gopath"
+
+
+
+# Example:
+#
+# Local machine:
+#   TEST_OPTS="PASSES='fmt'" make test
+#   TEST_OPTS="PASSES='fmt bom dep build unit'" make test
+#   TEST_OPTS="PASSES='build unit release integration_e2e functional'" make test
+#   TEST_OPTS="PASSES='build grpcproxy'" make test
+#
+# Example (test with docker):
+#   make pull-docker-test
+#   TEST_OPTS="PASSES='fmt'" make docker-test
+#   TEST_OPTS="VERBOSE=2 PASSES='unit'" make docker-test
+#
+# Travis CI (test with docker):
+#   TEST_OPTS="PASSES='fmt bom dep build unit'" make docker-test
+#
+# Semaphore CI (test with docker):
+#   TEST_OPTS="PASSES='build unit release integration_e2e functional'" make docker-test
+#   HOST_TMP_DIR=/tmp TEST_OPTS="PASSES='build unit release integration_e2e functional'" make docker-test
+#   TEST_OPTS="GOARCH=386 PASSES='build unit integration_e2e'" make docker-test
+#
+# grpc-proxy tests (test with docker):
+#   TEST_OPTS="PASSES='build grpcproxy'" make docker-test
+#   HOST_TMP_DIR=/tmp TEST_OPTS="PASSES='build grpcproxy'" make docker-test
+
+.PHONY: test
+test:
+	$(info TEST_OPTS: $(TEST_OPTS))
+	$(info log-file: test-$(TEST_SUFFIX).log)
+	$(TEST_OPTS) ./test 2>&1 | tee test-$(TEST_SUFFIX).log
+	! egrep "(--- FAIL:|panic: test timed out|appears to have leaked)" -B50 -A10 test-$(TEST_SUFFIX).log
+
+docker-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info ETCD_VERSION: $(ETCD_VERSION))
+	$(info TEST_OPTS: $(TEST_OPTS))
+	$(info log-file: test-$(TEST_SUFFIX).log)
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`,destination=/go/src/github.com/coreos/etcd \
+	  gcr.io/etcd-development/etcd-test:go$(GO_VERSION) \
+	  /bin/bash -c "$(TEST_OPTS) ./test 2>&1 | tee test-$(TEST_SUFFIX).log"
+	! egrep "(--- FAIL:|panic: test timed out|appears to have leaked)" -B50 -A10 test-$(TEST_SUFFIX).log
+
+docker-test-coverage:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info ETCD_VERSION: $(ETCD_VERSION))
+	$(info log-file: docker-test-coverage-$(TEST_SUFFIX).log)
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`,destination=/go/src/github.com/coreos/etcd \
+	  gcr.io/etcd-development/etcd-test:go$(GO_VERSION) \
+	  /bin/bash -c "COVERDIR=covdir PASSES='build build_cov cov' ./test 2>&1 | tee docker-test-coverage-$(TEST_SUFFIX).log && /codecov -t 6040de41-c073-4d6f-bbf8-d89256ef31e1"
+	! egrep "(--- FAIL:|panic: test timed out|appears to have leaked)" -B50 -A10 docker-test-coverage-$(TEST_SUFFIX).log
+
+
+
+# Example:
+#   make compile-with-docker-test
+#   ETCD_VERSION=v3-test make build-docker-release-master
+#   ETCD_VERSION=v3-test make push-docker-release-master
+#   gsutil -m acl ch -u allUsers:R -r gs://artifacts.etcd-development.appspot.com
+
+build-docker-release-master:
+	$(info ETCD_VERSION: $(ETCD_VERSION))
+	cp ./Dockerfile-release ./bin/Dockerfile-release
+	docker build \
+	  --tag gcr.io/etcd-development/etcd:$(ETCD_VERSION) \
+	  --file ./bin/Dockerfile-release \
+	  ./bin
+	rm -f ./bin/Dockerfile-release
+
+	docker run \
+	  --rm \
+	  gcr.io/etcd-development/etcd:$(ETCD_VERSION) \
+	  /bin/sh -c "/usr/local/bin/etcd --version && ETCDCTL_API=3 /usr/local/bin/etcdctl version"
+
+push-docker-release-master:
+	$(info ETCD_VERSION: $(ETCD_VERSION))
+	gcloud docker -- push gcr.io/etcd-development/etcd:$(ETCD_VERSION)
+
+
+
+# Example:
+#   make build-docker-test
+#   make compile-with-docker-test
+#   make build-docker-static-ip-test
+#
+#   gcloud docker -- login -u _json_key -p "$(cat /etc/gcp-key-etcd-development.json)" https://gcr.io
+#   make push-docker-static-ip-test
+#
+#   gsutil -m acl ch -u allUsers:R -r gs://artifacts.etcd-development.appspot.com
+#   make pull-docker-static-ip-test
+#
+#   make docker-static-ip-test-certs-run
+#   make docker-static-ip-test-certs-metrics-proxy-run
+
+build-docker-static-ip-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	@sed -i.bak 's|REPLACE_ME_GO_VERSION|$(GO_VERSION)|g' ./tests/docker-static-ip/Dockerfile
+	docker build \
+	  --tag gcr.io/etcd-development/etcd-static-ip-test:go$(GO_VERSION) \
+	  --file ./tests/docker-static-ip/Dockerfile \
+	  ./tests/docker-static-ip
+	@mv ./tests/docker-static-ip/Dockerfile.bak ./tests/docker-static-ip/Dockerfile
+
+push-docker-static-ip-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	gcloud docker -- push gcr.io/etcd-development/etcd-static-ip-test:go$(GO_VERSION)
+
+pull-docker-static-ip-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	docker pull gcr.io/etcd-development/etcd-static-ip-test:go$(GO_VERSION)
+
+docker-static-ip-test-certs-run:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  --tty \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`/bin,destination=/etcd \
+	  --mount type=bind,source=`pwd`/tests/docker-static-ip/certs,destination=/certs \
+	  gcr.io/etcd-development/etcd-static-ip-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && /certs/run.sh && rm -rf m*.etcd"
+
+docker-static-ip-test-certs-metrics-proxy-run:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  --tty \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`/bin,destination=/etcd \
+	  --mount type=bind,source=`pwd`/tests/docker-static-ip/certs-metrics-proxy,destination=/certs-metrics-proxy \
+	  gcr.io/etcd-development/etcd-static-ip-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && /certs-metrics-proxy/run.sh && rm -rf m*.etcd"
+
+
+
+# Example:
+#   make build-docker-test
+#   make compile-with-docker-test
+#   make build-docker-dns-test
+#
+#   gcloud docker -- login -u _json_key -p "$(cat /etc/gcp-key-etcd-development.json)" https://gcr.io
+#   make push-docker-dns-test
+#
+#   gsutil -m acl ch -u allUsers:R -r gs://artifacts.etcd-development.appspot.com
+#   make pull-docker-dns-test
+#
+#   make docker-dns-test-insecure-run
+#   make docker-dns-test-certs-run
+#   make docker-dns-test-certs-gateway-run
+#   make docker-dns-test-certs-wildcard-run
+#   make docker-dns-test-certs-common-name-auth-run
+#   make docker-dns-test-certs-common-name-multi-run
+
+build-docker-dns-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	@sed -i.bak 's|REPLACE_ME_GO_VERSION|$(GO_VERSION)|g' ./tests/docker-dns/Dockerfile
+	docker build \
+	  --tag gcr.io/etcd-development/etcd-dns-test:go$(GO_VERSION) \
+	  --file ./tests/docker-dns/Dockerfile \
+	  ./tests/docker-dns
+	@mv ./tests/docker-dns/Dockerfile.bak ./tests/docker-dns/Dockerfile
+
+	docker run \
+	  --rm \
+	  --dns 127.0.0.1 \
+	  gcr.io/etcd-development/etcd-dns-test:go$(GO_VERSION) \
+	  /bin/bash -c "/etc/init.d/bind9 start && cat /dev/null >/etc/hosts && dig etcd.local"
+
+push-docker-dns-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	gcloud docker -- push gcr.io/etcd-development/etcd-dns-test:go$(GO_VERSION)
+
+pull-docker-dns-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	docker pull gcr.io/etcd-development/etcd-dns-test:go$(GO_VERSION)
+
+docker-dns-test-insecure-run:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  --tty \
+	  --dns 127.0.0.1 \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`/bin,destination=/etcd \
+	  --mount type=bind,source=`pwd`/tests/docker-dns/insecure,destination=/insecure \
+	  gcr.io/etcd-development/etcd-dns-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && /insecure/run.sh && rm -rf m*.etcd"
+
+docker-dns-test-certs-run:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  --tty \
+	  --dns 127.0.0.1 \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`/bin,destination=/etcd \
+	  --mount type=bind,source=`pwd`/tests/docker-dns/certs,destination=/certs \
+	  gcr.io/etcd-development/etcd-dns-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && /certs/run.sh && rm -rf m*.etcd"
+
+docker-dns-test-certs-gateway-run:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  --tty \
+	  --dns 127.0.0.1 \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`/bin,destination=/etcd \
+	  --mount type=bind,source=`pwd`/tests/docker-dns/certs-gateway,destination=/certs-gateway \
+	  gcr.io/etcd-development/etcd-dns-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && /certs-gateway/run.sh && rm -rf m*.etcd"
+
+docker-dns-test-certs-wildcard-run:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  --tty \
+	  --dns 127.0.0.1 \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`/bin,destination=/etcd \
+	  --mount type=bind,source=`pwd`/tests/docker-dns/certs-wildcard,destination=/certs-wildcard \
+	  gcr.io/etcd-development/etcd-dns-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && /certs-wildcard/run.sh && rm -rf m*.etcd"
+
+docker-dns-test-certs-common-name-auth-run:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  --tty \
+	  --dns 127.0.0.1 \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`/bin,destination=/etcd \
+	  --mount type=bind,source=`pwd`/tests/docker-dns/certs-common-name-auth,destination=/certs-common-name-auth \
+	  gcr.io/etcd-development/etcd-dns-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && /certs-common-name-auth/run.sh && rm -rf m*.etcd"
+
+docker-dns-test-certs-common-name-multi-run:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  --tty \
+	  --dns 127.0.0.1 \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`/bin,destination=/etcd \
+	  --mount type=bind,source=`pwd`/tests/docker-dns/certs-common-name-multi,destination=/certs-common-name-multi \
+	  gcr.io/etcd-development/etcd-dns-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && /certs-common-name-multi/run.sh && rm -rf m*.etcd"
+
+
+
+# Example:
+#   make build-docker-test
+#   make compile-with-docker-test
+#   make build-docker-dns-srv-test
+#   gcloud docker -- login -u _json_key -p "$(cat /etc/gcp-key-etcd-development.json)" https://gcr.io
+#   make push-docker-dns-srv-test
+#   gsutil -m acl ch -u allUsers:R -r gs://artifacts.etcd-development.appspot.com
+#   make pull-docker-dns-srv-test
+#   make docker-dns-srv-test-certs-run
+#   make docker-dns-srv-test-certs-gateway-run
+#   make docker-dns-srv-test-certs-wildcard-run
+
+build-docker-dns-srv-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	@sed -i.bak 's|REPLACE_ME_GO_VERSION|$(GO_VERSION)|g' ./tests/docker-dns-srv/Dockerfile
+	docker build \
+	  --tag gcr.io/etcd-development/etcd-dns-srv-test:go$(GO_VERSION) \
+	  --file ./tests/docker-dns-srv/Dockerfile \
+	  ./tests/docker-dns-srv
+	@mv ./tests/docker-dns-srv/Dockerfile.bak ./tests/docker-dns-srv/Dockerfile
+
+	docker run \
+	  --rm \
+	  --dns 127.0.0.1 \
+	  gcr.io/etcd-development/etcd-dns-srv-test:go$(GO_VERSION) \
+	  /bin/bash -c "/etc/init.d/bind9 start && cat /dev/null >/etc/hosts && dig +noall +answer SRV _etcd-client-ssl._tcp.etcd.local && dig +noall +answer SRV _etcd-server-ssl._tcp.etcd.local && dig +noall +answer m1.etcd.local m2.etcd.local m3.etcd.local"
+
+push-docker-dns-srv-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	gcloud docker -- push gcr.io/etcd-development/etcd-dns-srv-test:go$(GO_VERSION)
+
+pull-docker-dns-srv-test:
+	$(info GO_VERSION: $(GO_VERSION))
+	docker pull gcr.io/etcd-development/etcd-dns-srv-test:go$(GO_VERSION)
+
+docker-dns-srv-test-certs-run:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  --tty \
+	  --dns 127.0.0.1 \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`/bin,destination=/etcd \
+	  --mount type=bind,source=`pwd`/tests/docker-dns-srv/certs,destination=/certs \
+	  gcr.io/etcd-development/etcd-dns-srv-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && /certs/run.sh && rm -rf m*.etcd"
+
+docker-dns-srv-test-certs-gateway-run:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  --tty \
+	  --dns 127.0.0.1 \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`/bin,destination=/etcd \
+	  --mount type=bind,source=`pwd`/tests/docker-dns-srv/certs-gateway,destination=/certs-gateway \
+	  gcr.io/etcd-development/etcd-dns-srv-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && /certs-gateway/run.sh && rm -rf m*.etcd"
+
+docker-dns-srv-test-certs-wildcard-run:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info HOST_TMP_DIR: $(HOST_TMP_DIR))
+	$(info TMP_DIR_MOUNT_FLAG: $(TMP_DIR_MOUNT_FLAG))
+	docker run \
+	  --rm \
+	  --tty \
+	  --dns 127.0.0.1 \
+	  $(TMP_DIR_MOUNT_FLAG) \
+	  --mount type=bind,source=`pwd`/bin,destination=/etcd \
+	  --mount type=bind,source=`pwd`/tests/docker-dns-srv/certs-wildcard,destination=/certs-wildcard \
+	  gcr.io/etcd-development/etcd-dns-srv-test:go$(GO_VERSION) \
+	  /bin/bash -c "cd /etcd && /certs-wildcard/run.sh && rm -rf m*.etcd"
+
+
+
+# Example:
+#   make build-functional
+#   make build-docker-functional
+#   make push-docker-functional
+#   make pull-docker-functional
+
+build-functional:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info ETCD_VERSION: $(ETCD_VERSION))
+	./functional/build
+	./bin/etcd-agent -help || true && \
+	  ./bin/etcd-proxy -help || true && \
+	  ./bin/etcd-runner --help || true && \
+	  ./bin/etcd-tester -help || true
+
+build-docker-functional:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info ETCD_VERSION: $(ETCD_VERSION))
+	@sed -i.bak 's|REPLACE_ME_GO_VERSION|$(GO_VERSION)|g' ./functional/Dockerfile
+	docker build \
+	  --tag gcr.io/etcd-development/etcd-functional:go$(GO_VERSION) \
+	  --file ./functional/Dockerfile \
+	  .
+	@mv ./functional/Dockerfile.bak ./functional/Dockerfile
+
+	docker run \
+	  --rm \
+	  gcr.io/etcd-development/etcd-functional:go$(GO_VERSION) \
+	  /bin/bash -c "./bin/etcd --version && \
+	   ./bin/etcd-failpoints --version && \
+	   ETCDCTL_API=3 ./bin/etcdctl version && \
+	   ./bin/etcd-agent -help || true && \
+	   ./bin/etcd-proxy -help || true && \
+	   ./bin/etcd-runner --help || true && \
+	   ./bin/etcd-tester -help || true && \
+	   ./bin/benchmark --help || true"
+
+push-docker-functional:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info ETCD_VERSION: $(ETCD_VERSION))
+	gcloud docker -- push gcr.io/etcd-development/etcd-functional:go$(GO_VERSION)
+
+pull-docker-functional:
+	$(info GO_VERSION: $(GO_VERSION))
+	$(info ETCD_VERSION: $(ETCD_VERSION))
+	docker pull gcr.io/etcd-development/etcd-functional:go$(GO_VERSION)