Merge branch 'ci-valgrind' into 'master'

Run unittests in CI under Valgrind memcheck

See merge request !353

.gitlab-ci.yml

@@ -28,6 +28,7 @@ test:linux:amd64:
     - linux
     - amd64
 
+
 deckard:linux:amd64:
   stage: test
   script:
@@ -44,6 +45,18 @@ deckard:linux:amd64:
     - linux
     - amd64
 
+test:linux:amd64:valgrind:
+  image: cznic/ubuntu-valgrind:16.04
+  stage: test
+  script:
+    - PREFIX=$(pwd)/.local DEBUGGER="valgrind --error-exitcode=1 --leak-check=full --trace-children=yes --quiet" make -k check
+  dependencies:
+    - build:linux:amd64
+  tags:
+    - docker
+    - linux
+    - amd64
+
 respdiff:linux:amd64:
   image: cznic/ubuntu-respdif:16.04
   stage: test

ci/valgrind/Dockerfile

+FROM cznic/ubuntu:16.04
+MAINTAINER Knot DNS <knot-dns@labs.nic.cz>
+
+WORKDIR /root
+CMD ["/bin/bash"]
+
+# name: cznic/ubuntu-valgrind:16.04
+# run ci tests with valgrind memory checks
+RUN apt-get update
+RUN apt-get upgrade -y
+RUN apt-get install -y valgrind

tests/unit.mk

@@ -37,7 +37,7 @@ $(1)_LIBS := $(tests_LIBS)
 $(1)_DEPEND := $(tests_DEPEND)
 $(call make_bin,$(1),tests)
 $(1): $$($(1))
-	@$(preload_syms) $$<
+	@$(preload_syms) $(DEBUGGER) $$<
 .PHONY: $(1)
 endef