travis: use docker to build criu (v2)

v2: create a separate job for each arch
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

.travis.yml

 language: c
-env:
-  - ARCH=arm
-  - ARCH=x86
-compiler:
-  - gcc
-before_install:
-  - sudo apt-get update -qq
-  - sudo apt-get install -qq protobuf-c-compiler libprotobuf-c0-dev libaio-dev libprotobuf-dev protobuf-compiler python-ipaddr libcap-dev libnl-3-dev
-script:
-  - "bash -ex scripts/travis-ci.sh"
 sudo: required
 dist: trusty
+services:
+  - docker
+env:
+  - TR_ARCH=x86_64
+  - TR_ARCH=armv7hf
+  - TR_ARCH=aarch64
+before_install:
+  - sudo make -C scripts/build $TR_ARCH

scripts/travis-ci.sh

-#!/bin/bash
-# Based on a test script from avsm/ocaml repo https://github.com/avsm/ocaml
-
-CHROOT_DIR=/tmp/arm-chroot
-MIRROR=http://ports.ubuntu.com/ubuntu-ports/
-VERSION=trusty
-CHROOT_ARCH=armhf
-
-# Debian package dependencies for the host
-HOST_DEPENDENCIES="debootstrap qemu-user-static binfmt-support sbuild"
-
-# Debian package dependencies for the chrooted environment
-GUEST_DEPENDENCIES="build-essential git m4 sudo python protobuf-c-compiler libprotobuf-c0-dev gcc make bsdmainutils bash libaio-dev libprotobuf-dev protobuf-compiler python-ipaddr libcap-dev libnl-3-dev"
-
-# Command used to run the tests
-TEST_COMMAND="make -j 4 && make -j 4 -C test/zdtm"
-
-function setup_arm_chroot {
-    # Host dependencies
-    sudo apt-get install -qq -y ${HOST_DEPENDENCIES}
-
-    # Create chrooted environment
-    sudo mkdir ${CHROOT_DIR}
-    sudo debootstrap --foreign --no-check-gpg --include=fakeroot,build-essential \
-        --arch=${CHROOT_ARCH} ${VERSION} ${CHROOT_DIR} ${MIRROR}
-    sudo cp /usr/bin/qemu-arm-static ${CHROOT_DIR}/usr/bin/
-    sudo chroot ${CHROOT_DIR} ./debootstrap/debootstrap --second-stage
-    sudo sbuild-createchroot --arch=${CHROOT_ARCH} --foreign --setup-only --components=main,universe,multiverse \
-        ${VERSION} ${CHROOT_DIR} ${MIRROR}
-
-    # Create file with environment variables which will be used inside chrooted
-    # environment
-    echo "export ARCH=${ARCH}" > envvars.sh
-    echo "export TRAVIS_BUILD_DIR=${TRAVIS_BUILD_DIR}" >> envvars.sh
-    chmod a+x envvars.sh
-
-    # Install dependencies inside chroot
-    sudo chroot ${CHROOT_DIR} apt-get update
-    sudo chroot ${CHROOT_DIR} apt-get --allow-unauthenticated install \
-        -qq -y ${GUEST_DEPENDENCIES}
-
-    # Create build dir and copy travis build files to our chroot environment
-    sudo mkdir -p ${CHROOT_DIR}/${TRAVIS_BUILD_DIR}
-    sudo rsync -av ${TRAVIS_BUILD_DIR}/ ${CHROOT_DIR}/${TRAVIS_BUILD_DIR}/
-
-    # Indicate chroot environment has been set up
-    sudo touch ${CHROOT_DIR}/.chroot_is_done
-
-    # Call ourselves again which will cause tests to run
-    sudo chroot ${CHROOT_DIR} bash -c "cd ${TRAVIS_BUILD_DIR} && ./scripts/travis-ci.sh"
-}
-
-if [ -e "/.chroot_is_done" ]; then
-  # We are inside ARM chroot
-  echo "Running inside chrooted environment"
-
-  . ./envvars.sh
-else
-  if [ "${ARCH}" = "arm" ]; then
-    # ARM test run, need to set up chrooted environment first
-    echo "Setting up chrooted ARM environment"
-    setup_arm_chroot
-    exit
-  fi
-fi
-
-export LIBRARY_PATH=/usr/lib/${ARCH}-linux-gnu/
-echo "Running tests"
-echo "Environment: $(uname -a)"
-
-eval ${TEST_COMMAND}