make run.sh executable from within e2e (#619)

e2e/Makefile

@@ -0,0 +1,52 @@
+.PHONY: clean copy docker push tools test
+
+BINARY ?= postgres-operator-e2e-tests
+BUILD_FLAGS ?= -v
+CGO_ENABLED ?= 0
+ifeq ($(RACE),1)
+	BUILD_FLAGS += -race -a
+    CGO_ENABLED=1
+endif
+
+LOCAL_BUILD_FLAGS ?= $(BUILD_FLAGS)
+LDFLAGS ?= -X=main.version=$(VERSION)
+
+IMAGE            ?= registry.opensource.zalan.do/acid/$(BINARY)
+VERSION          ?= $(shell git describe --tags --always --dirty)
+TAG              ?= $(VERSION)
+GITHEAD          = $(shell git rev-parse --short HEAD)
+GITURL           = $(shell git config --get remote.origin.url)
+GITSTATU         = $(shell git status --porcelain || echo 'no changes')
+TTYFLAGS         = $(shell test -t 0 && echo '-it')
+
+ifndef GOPATH
+	GOPATH := $(HOME)/go
+endif
+
+KIND_PATH := $(GOPATH)/bin
+PATH := $(GOPATH)/bin:$(PATH)
+
+default: tools
+
+clean:
+	rm -fr manifests
+
+copy: clean
+	mkdir manifests
+	cp ../manifests -r .
+
+docker: copy
+	docker build --build-arg "VERSION=$(VERSION)" -t "$(IMAGE):$(TAG)" .
+
+push: docker
+	docker push "$(IMAGE):$(TAG)"
+
+tools: docker
+	# install pinned version of 'kind'
+	# leave the name as is to avoid overwriting official binary named `kind`
+	wget https://github.com/kubernetes-sigs/kind/releases/download/v0.4.0/kind-linux-amd64
+	chmod +x kind-linux-amd64
+	mv kind-linux-amd64 $(KIND_PATH)
+
+test:
+	./run.sh