MDEV-9185 - Integrate with Travis-CI for easier and more automatic QA

Based on contributions by Daniel Black and Otto Kekäläinen.

.travis.yml

+# vim ft=yaml
+# travis-ci.org definition
+
+# non-container builds don't have enough RAM to reliably compile
+sudo: required
+dist: trusty
+
+language: cpp
+compiler:
+  - gcc
+#  - clang # See commit f38808 if you want to re-enable clang builds
+cache:
+  apt:
+  ccache:
+
+# Timing on build an test needs to be < 50 minutes. The compile is ~4-5minutes
+# so here we group the tests such that this happens.
+
+addons:
+  apt:
+    packages: # make sure these match debian/control contents
+      - bison
+      - chrpath
+      - cmake
+      - debhelper
+      - dh-apparmor
+      - dpatch
+      - libaio-dev
+      - libboost-dev
+      - libjudy-dev
+      - libncurses5-dev
+      - libpam0g-dev
+      - libreadline-gplv2-dev
+      - libssl-dev
+      - lsb-release
+      - perl
+      - po-debconf
+      - psmisc
+      - zlib1g-dev
+      - libcrack2-dev # no effect as the package is disallowed on Travis-CI
+      - libjemalloc-dev
+      - devscripts # implicit for any build on Ubuntu
+
+script:
+  - ${CC} --version ; ${CXX} --version
+  - cd "${TRAVIS_BUILD_DIR}"
+  - env DEB_BUILD_OPTIONS="parallel=4" debian/autobake-deb.sh;
+
+notifications:
+  irc:
+    channels:
+      - "chat.freenode.net#maria"
+    on_success: never # [always|never|change]
+    on_failure: never
+    template:
+      - "%{repository}/%{branch} (%{commit} - %{author}): %{build_url}: %{message}"

debian/autobake-deb.sh

@@ -10,10 +10,16 @@ set -e
 # Debug script and command lines
 #set -x
 
-# Don't run the mysql-test-run test suite as part of build.
+# On Buildbot, don't run the mysql-test-run test suite as part of build.
 # It takes a lot of time, and we will do a better test anyway in
 # Buildbot, running the test suite from installed .debs on a clean VM.
-export DEB_BUILD_OPTIONS="nocheck"
+# On Travis-CI we want to simulate the full build, including tests.
+# Also on Travis-CI it is useful not to override the DEB_BUILD_OPTIONS
+# at this stage at all.
+if [[ ! $TRAVIS ]]
+then
+  export DEB_BUILD_OPTIONS="nocheck"
+fi
 
 export MARIADB_OPTIONAL_DEBS=""
 
@@ -32,8 +38,8 @@ LOGSTRING="MariaDB build"
 CODENAME="$(lsb_release -sc)"
 
 # add libcrack2 (>= 2.9.0) as a build dependency
-# but only where the distribution can possibly satisfy it
-if apt-cache madison cracklib2|grep 'cracklib2 *| *2\.[0-8]\.' >/dev/null 2>&1
+# but only where the distribution can possibly satisfy it and if not on Travis-CI
+if $TRAVIS || apt-cache madison cracklib2|grep 'cracklib2 *| *2\.[0-8]\.' >/dev/null 2>&1
 then
   # Anything in MARIADB_OPTIONAL_DEBS is omitted from the resulting
   # packages by snipped in rules file

debian/rules

@@ -29,20 +29,15 @@ ifeq (${MAKE_J}, -j0)
   MAKE_J = -j1
 endif
 
-MAKE_TEST_TARGET=test-force
-ifneq ($(findstring fulltest,$(DEB_BUILD_OPTIONS)),)
-# make test-bt is the testsuite run by the MySQL build team 
-# before a release, but it is long
-    MAKE_TEST_TARGET=test-bt
+# Parallel build support as advised
+# at https://www.debian.org/doc/debian-policy/ch-source.html#s-debianrules-options
+ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
+    NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
+    MAKEFLAGS += -j $(NUMJOBS)
 endif
 
-USE_ASSEMBLER=--enable-assembler 
 
-ifneq (,$(filter $(ARCH), amd64 i386 ia64 s390))
-    TESTSUITE_FAIL_CMD=exit 1
-else
-    TESTSUITE_FAIL_CMD=true
-endif
+USE_ASSEMBLER=--enable-assembler
 
 BUILDDIR = builddir
 builddir = $(BUILDDIR)
@@ -88,7 +83,7 @@ build-stamp: configure
 
 ifeq ($(findstring nocheck,$(DEB_BUILD_OPTIONS)),)
 	if [ ! -f testsuite-stamp ] ; then \
-	  cd $(builddir) && $(MAKE) $(MAKE_TEST_TARGET) || $(TESTSUITE_FAIL_CMD) ; \
+	  cd $(builddir)/mysql-test && ./mtr --force --parallel=$(NUMJOBS) --skip-rpl --suite=main; \
 	fi
 endif