Fix regression: previously create test namespace is used across test runs

This fixes regression introduced in PR redhat-developer#848 - we should reuse created test namespace
across multiple runs of acceptance tests

Signed-off-by: Predrag Knezevic <[email protected]>

Author: pedjak

Makefile

@@ -164,24 +164,20 @@ setup-venv:
 	$(Q)$(PYTHON_VENV_DIR)/bin/pip install --upgrade setuptools
 	$(Q)$(PYTHON_VENV_DIR)/bin/pip install --upgrade pip
 
-.PHONY: out/test-namespace
-# Generate namespace name for test
-out/test-namespace:
-	$(Q)mkdir -p $(OUTPUT_DIR)
-	@echo -n "test-namespace-$(shell uuidgen | tr '[:upper:]' '[:lower:]' | head -c 8)" > $(OUTPUT_DIR)/test-namespace
-
 .PHONY: get-test-namespace
-get-test-namespace: out/test-namespace
-	$(eval TEST_NAMESPACE := $(shell cat $(OUTPUT_DIR)/test-namespace))
+get-test-namespace:
+	$(Q)mkdir -p $(OUTPUT_DIR)
+	$(eval TEST_NAMESPACE := $(shell $(HACK_DIR)/get-test-namespace $(OUTPUT_DIR)))
+	echo $(TEST_NAMESPACE)
 
 # Testing setup
 .PHONY: deploy-test-3rd-party-crds
 deploy-test-3rd-party-crds: get-test-namespace
 	$(Q)kubectl --namespace $(TEST_NAMESPACE) apply -f ./test/third-party-crds/
 
 .PHONY: create-test-namespace
-create-test-namespace:
-	$(Q)kubectl create namespace $(TEST_NAMESPACE)
+create-test-namespace: get-test-namespace
+	$(Q)kubectl get namespace $(TEST_NAMESPACE) || kubectl create namespace $(TEST_NAMESPACE)
 
 .PHONY: test-setup
 test-setup: test-cleanup create-test-namespace deploy-test-3rd-party-crds

hack/get-test-namespace

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+OUTPUT_DIR=$1
+NS_FILE=${OUTPUT_DIR}/test-namespace
+
+# https://gist.github.com/markusfisch/6110640
+uuid()
+{
+    local N B C='89ab'
+
+    for (( N=0; N < 16; ++N ))
+    do
+        B=$(( $RANDOM%256 ))
+
+        case $N in
+            6)
+                printf '4%x' $(( B%16 ))
+                ;;
+            8)
+                printf '%c%x' ${C:$RANDOM%${#C}:1} $(( B%16 ))
+                ;;
+            3 | 5 | 7 | 9)
+                printf '%02x-' $B
+                ;;
+            *)
+                printf '%02x' $B
+                ;;
+        esac
+    done
+
+    echo
+}
+
+mkdir -p "$OUTPUT_DIR"
+
+[ -f "$NS_FILE" ] || echo "test-namespace-$(uuid | cut -d '-' -f 5)" > "$NS_FILE"
+
+cat "$NS_FILE"