test, build: support failpoints

build

@@ -6,17 +6,39 @@ REPO_PATH="${ORG_PATH}/etcd"
 export GO15VENDOREXPERIMENT="1"
 eval $(go env)
 GIT_SHA=`git rev-parse --short HEAD || echo "GitNotFound"`
+if [ ! -z "$FAILPOINTS" ]; then
+	GIT_SHA="$GIT_SHA"-FAILPOINTS
+fi
+
+# enable/disable failpoints
+toggle_failpoints() {
+	FAILPKGS="etcdserver/"
+
+	mode="disable"
+	if [ ! -z "$FAILPOINTS" ]; then mode="enable"; fi
+	if [ ! -z "$1" ]; then mode="$1"; fi
+
+	if which gofail >/dev/null 2>&1; then
+		gofail "$mode" $FAILPKGS
+	elif [ "$mode" != "disable" ]; then
+		echo "FAILPOINTS set but gofail not found"
+		exit 1
+	fi
+}
 
 etcd_build() {
 	if [ -z "${GOARCH}" ] || [ "${GOARCH}" = "$(go env GOHOSTARCH)" ]; then
 		out="bin"
 	else
 		out="bin/${GOARCH}"
 	fi
+	toggle_failpoints
 	# Static compilation is useful when etcd is run in a container
 	CGO_ENABLED=0 go build $GO_BUILD_FLAGS -installsuffix cgo -ldflags "-s -X ${REPO_PATH}/cmd/vendor/${REPO_PATH}/version.GitSHA=${GIT_SHA}" -o ${out}/etcd ${REPO_PATH}/cmd
 	CGO_ENABLED=0 go build $GO_BUILD_FLAGS -installsuffix cgo -ldflags "-s" -o ${out}/etcdctl ${REPO_PATH}/cmd/etcdctl
 }
 
+toggle_failpoints
+
 # don't build when sourced
 (echo "$0" | grep "/build$") && etcd_build || true

test

@@ -168,10 +168,13 @@ mkdir -p $GOPATH
 ln -s ${PWD}/cmd/vendor $GOPATH/src
 
 # fail fast on static tests
-GO_BUILD_FLAGS="-a -v" etcd_build
+toggle_failpoints disable
 fmt_tests
 dep_tests
 
+# fail fast on static tests
+GO_BUILD_FLAGS="-a -v" etcd_build
+
 unit_tests
 if [ -n "$INTEGRATION" ]; then
 	integration_tests