.gitlab-ci.yml

image: $CI_REGISTRY/knot/knot-resolver/ci/debian-stable:knot-2.7

variables:
  DEBIAN_FRONTEND: noninteractive
  LC_ALL: C.UTF-8
  GIT_SUBMODULE_STRATEGY: recursive
  GIT_STRATEGY: clone # sometimes unclean submodule dirs otherwise
  PREFIX: $CI_PROJECT_DIR/.local
  LD_LIBRARY_PATH: $CI_PROJECT_DIR/.local/lib
  RESPDIFF_PRIORITY: 5
  RESPDIFF_COUNT: 1
  RESPDIFF_FORCE: 0
  RESPERF_FORCE: 0
  RESPERF_TCP_PIPELINE: 4096
  RESPERF_MEMORY_LIMIT: 2G
  RESPERF_ULIMIT_N: 1048576

stages:
  - build
  - test
  - coverage
  - respdiff
  - deploy

build:linux:amd64:
  stage: build
  except:
    - master
  script:
    - rm daemon/lua/kres-gen.lua
    - make -k all CFLAGS="-Werror -ggdb"
    - STATUS="$(git status --untracked-files=normal --porcelain)"
    - test -n "${STATUS}" && echo "${STATUS}" && echo "Build + install made working tree dirty, did you forget to update something?" && exit 2
    - make install CFLAGS="-Werror -ggdb"
  artifacts:
    untracked: true
  tags:
    - docker
    - linux
    - amd64

build:clang:linux:amd64:
  stage: build
  except:
    - master
  image: $CI_REGISTRY/knot/knot-resolver/ci/debian-unstable:knot-2.7  # newer Debian for newer Clang
  script:
    - rm daemon/lua/kres-gen.lua
    - CXX=clang++-5.0 CC=clang-5.0 make -k all "CFLAGS=-Werror -Wno-error=unused-command-line-argument -ggdb"
    - STATUS="$(git status --untracked-files=normal --porcelain)"
    - test -n "${STATUS}" && echo "${STATUS}" && echo "Build + install made working tree dirty, did you forget to update something?" && exit 2
    - CXX=clang++-5.0 CC=clang-5.0 make install "CFLAGS=-Werror -ggdb"
  tags:
    - docker
    - linux
    - amd64

srpm:
  stage: build
  except:
    - master
  allow_failure: true  # don't block testing pipeline in case of failure
  image: $CI_REGISTRY/knot/knot-resolver/ci/fedora
  script:
    - scripts/make-srpm.sh
  artifacts:
    when: always
    expire_in: '1 week'
    paths:
      - "*.src.rpm"
  tags:
    - docker
    - linux
    - amd64

lint:lua:
  stage: test
  except:
    - master
  dependencies: []  # do not download build artifacts
  script:
    - make lint-lua
  tags:
    - docker

lint:c:
  stage: test
  except:
    - master
  image: $CI_REGISTRY/knot/knot-resolver/ci/debian-unstable:knot-2.7  # newer Debian for newer Clang
  dependencies: []  # do not download build artifacts
  script:
    - make lint-c CLANG_TIDY="clang-tidy-5.0 -quiet"
  tags:
    - docker

lint:clang-scan-build:
  allow_failure: true  # for now it is just informative
  stage: test
  except:
    - master
  image: $CI_REGISTRY/knot/knot-resolver/ci/debian-unstable:knot-2.7  # newer Debian for newer Clang
  dependencies: []  # do not download build artifacts
  script:
    - MAKEFLAGS="-k -j$(nproc)" SCAN_BUILD="/usr/lib/llvm-5.0/bin/scan-build -o scan-results --status-bugs -no-failure-reports" ./tests/clang_scan_build.sh make
  artifacts:
    when: on_failure
    expire_in: '1 day'
    paths:
      - scan-results
  tags:
    - docker

test:linux:amd64:
  stage: test
  except:
    - master
  script:
    # recompile everything otherwise lcov will bark because Git files will be "newer" than gcda files
    # this is caused by interaction between Git approach to timestamps and Gitlab artifacts
    - git clean -xdf
    - make CFLAGS=-Werror
    - MAKEFLAGS="--jobs $(nproc)" make -k check
    - MAKEFLAGS="--jobs $(nproc)" test "${COVERAGE:-0}" -eq 1 && make coverage-c COVERAGE_STAGE=gcov-check || echo "code coverage skipped"
  dependencies: []
  artifacts:
    expire_in: 1 hour
    paths:
      - ./*.info
  tags:
    - docker
    - linux
    - amd64

installcheck:linux:amd64:
  stage: test
  except:
    - master
  script:
    # recompile everything otherwise lcov will bark because Git files will be "newer" than gcda files
    # this is caused by interaction between Git approach to timestamps and Gitlab artifacts
    - git clean -xdf
    - make install CFLAGS=-Werror
    - MAKEFLAGS="--jobs $(nproc) --keep-going" make -k installcheck
    - MAKEFLAGS="--jobs $(nproc)" test "${COVERAGE:-0}" -eq 1 && make coverage-c coverage-lua COVERAGE_STAGE=gcov-installcheck || echo "code coverage skipped"
  dependencies: []
  artifacts:
    expire_in: 1 hour
    paths:
      - ./*.info
  tags:
    - docker
    - linux
    - amd64

doc:
  stage: test
  except:
    - master
  script:
    - SPHINXFLAGS="-W" make doc
  dependencies: []
  artifacts:
    expire_in: 1 hour
    paths:
      - ./doc/*
  tags:
    - docker

deckard:linux:amd64:
  stage: test
  except:
    refs:
      - master
    variables:
      # prevent unstable test from cancelling nightly OBS build
      - $SKIP_DECKARD == "1"
  variables:
    TMPDIR: $CI_PROJECT_DIR
  script:
    - DECKARDFLAGS="-n $(nproc)" PATH="$PREFIX/sbin:$PATH" make check-integration
  # these errors are side-effect of Git way of handling file timestamps
    - MAKEFLAGS="--jobs $(nproc)" test "${COVERAGE:-0}" -eq 1 && make coverage-c coverage-lua COVERAGE_STAGE=gcov-deckard 2>&1 | grep -vE '(source file is newer than notes file)|(the message is displayed only once per source file)' || echo "code coverage skipped"
  dependencies:
    - build:linux:amd64
  artifacts:
    when: always
    paths:
      - ./*.info
      - tmpdeckard*
    expire_in: 1 week
  tags:
    - docker
    - linux
    - amd64

installcheck:valgrind:linux:amd64:
  stage: test
  except:
    - master
  script:
    - DEBUGGER="valgrind --leak-check=full --trace-children=yes --quiet --suppressions=/lj.supp" make -k installcheck
  dependencies:
    - build:linux:amd64
  tags:
    - docker
    - linux
    - amd64

# temporarily disabled - we need to fix issues first
#deckard:linux:amd64:valgrind:
#  stage: test
#  script:
#    # TODO: valgrind missing parameter --error-exitcode=1 to fail make on error
#    - cd tests/deckard && DAEMON=valgrind ADDITIONAL="--leak-check=full --trace-children=yes --quiet --suppressions=/lj.supp $PREFIX/sbin/kresd -f 1" MAKEFLAGS="-j $(nproc) --keep-going" make
#  artifacts:
#    when: on_failure
#    expire_in: 1 week
#    paths:
#      - tmpdeckard*
#  dependencies:
#    - build:linux:amd64
#  tags:
#    - docker
#    - linux
#    - amd64


test:linux:amd64:valgrind:
  stage: test
  except:
    - master
  variables:
    TMPDIR: $CI_PROJECT_DIR
  script:
    - DEBUGGER="valgrind --error-exitcode=1 --leak-check=full --trace-children=yes --quiet --suppressions=/lj.supp" make -k check
  dependencies:
    - build:linux:amd64
  tags:
    - docker
    - linux
    - amd64

.respdiff:  &respdiff
  stage: respdiff
  dependencies: []
  only:  # trigger job only in repos under our control
    - branches@knot/knot-resolver
    - branches@knot/knot-resolver-security
  except:
    - master
  script:
    - git diff-index --name-only origin/master | grep -qEv '^(AUTHORS|ci/|config.mk|COPYING|distro/|doc/|etc/|NEWS|README.md|scripts/|tests/|\.gitignore|\.gitlab-ci\.yml|\.travis\.yml)' || test $RESPDIFF_FORCE -gt 0 || exit 0
    - export LABEL=gl$(date +%s)
    - export COMMITDIR="/var/tmp/respdiff-jobs/$(git rev-parse --short HEAD)-$LABEL"
    - export TESTDIR="$COMMITDIR/$RESPDIFF_TEST"
    - ln -s $COMMITDIR respdiff_commitdir
    - >
      sudo -u respdiff /var/opt/respdiff/contrib/job_manager/submit.py -w
      -p $RESPDIFF_PRIORITY
      -c $RESPDIFF_COUNT
      $(sudo -u respdiff /var/opt/respdiff/contrib/job_manager/create.py
      "$(git rev-parse --short HEAD)" -l $LABEL -t $RESPDIFF_TEST)
    - for f in $TESTDIR/*.json; do test -s "$f" || (cat $TESTDIR/*stderr*; exit 1); done
    - sudo -u respdiff /var/opt/respdiff/contrib/job_manager/plot_ref.sh $TESTDIR/.. /var/tmp/respdiff-jobs/ref_current $RESPDIFF_TEST
  after_script:
    - 'cp -t . respdiff_commitdir/$RESPDIFF_TEST/j* ||:'
    - 'cp -t . respdiff_commitdir/*$RESPDIFF_TEST*.png ||:'
  artifacts:
    when: always
    expire_in: 1 week
    paths:
      - ./j*
      - ./*.png
  tags:
    - respdiff

respdiff:fwd-tls6-kresd.udp6:
  <<: *respdiff
  variables:
    RESPDIFF_TEST: shortlist.fwd-tls6-kresd.udp6.j256

respdiff:fwd-udp6-kresd.udp6:
  <<: *respdiff
  variables:
    RESPDIFF_TEST: shortlist.fwd-udp6-kresd.udp6.j384

respdiff:iter.udp6:
  <<: *respdiff
  variables:
    RESPDIFF_TEST: shortlist.iter.udp6.j384

respdiff:iter.tls6:
  <<: *respdiff
  variables:
    RESPDIFF_TEST: shortlist.iter.tls6.j384

respdiff:fwd-udp6-unbound.udp6:
  <<: *respdiff
  variables:
    RESPDIFF_TEST: shortlist.fwd-udp6-unbound.udp6.j256

respdiff:fwd-udp6-unbound.tcp6:
  <<: *respdiff
  variables:
    RESPDIFF_TEST: shortlist.fwd-udp6-unbound.tcp6.j256

respdiff:fwd-udp6-unbound.tls6:
  <<: *respdiff
  variables:
    RESPDIFF_TEST: shortlist.fwd-udp6-unbound.tls6.j256


respdiff:iter:udp:linux:amd64:
  stage: test
  except:
    - master
  script:
    - source <(./scripts/coverage_env.sh "$(pwd)" "$(pwd)/coverage.stats/respdiff" "iter/udp" --export)
    - ulimit -n "$(ulimit -Hn)" # applies only for kresd ATM
    - ./ci/respdiff/start-resolvers.sh
    - ./ci/respdiff/run-respdiff-tests.sh udp
    - cat results/respdiff.txt
    - echo 'test if mismatch rate < 1.0 %'
    - grep -q '^target disagrees.*0\.[0-9][0-9] %' results/respdiff.txt
    - killall --wait kresd
    - MAKEFLAGS="--jobs $(nproc)" test "${COVERAGE:-0}" -eq 1 && make coverage-c coverage-lua COVERAGE_STAGE=gcov-respdiff-iter-udp | grep -vE '(source file is newer than notes file)|(the message is displayed only once per source file)' || echo "code coverage skipped"
  dependencies:
    - build:linux:amd64
  artifacts:
    when: always
    expire_in: '1 week'
    paths:
      - kresd.log.xz
      - results/*.txt
      - results/*.png
      - results/respdiff.db/data.mdb.xz
      - ./*.info
  tags:
    - docker
    - linux
    - amd64


.resperf:  &resperf
  stage: respdiff
  dependencies: []
  only:  # trigger job only in repos under our control
    - branches@knot/knot-resolver
    - branches@knot/knot-resolver-security
  except:
    - master
  script:
    - git diff-index --name-only origin/master | grep -qEv '^(AUTHORS|ci/|config.mk|COPYING|distro/|doc/|etc/|NEWS|README.md|scripts/|tests/|\.gitignore|\.gitlab-ci\.yml|\.travis\.yml)' || test $RESPERF_FORCE -gt 0 || exit 0
    - export LABEL=gl$(date +%s)
    - export COMMITDIR="/var/tmp/respdiff-jobs/$(git rev-parse --short HEAD)-$LABEL"
    - export TESTDIR="$COMMITDIR/$RESPERF_TEST"
    - ln -s $COMMITDIR resperf_commitdir
    - >
      sudo -u respdiff /var/opt/respdiff/contrib/job_manager/submit.py -w
      $(sudo -u respdiff /var/opt/respdiff/contrib/job_manager/create.py
      "$(git rev-parse --short HEAD)" -l $LABEL --asan -t $RESPERF_TEST
      --tcp-pipeline $RESPERF_TCP_PIPELINE --ulimit-n $RESPERF_ULIMIT_N
      --mem-limit $RESPERF_MEMORY_LIMIT)
    - export EXITCODE=$(cat $TESTDIR/j*_exitcode)
    - if [[ "$EXITCODE" == "0" ]]; then cat $TESTDIR/j*_resperf.txt; else cat $TESTDIR/j*_kresd.docker.txt; fi
    - exit $EXITCODE
  after_script:
    - 'cp -t . resperf_commitdir/$RESPERF_TEST/j* ||:'
  artifacts:
    when: always
    expire_in: 1 week
    paths:
      - ./j*
  tags:
    - respdiff

resperf:fwd-tls6.udp-asan:
  <<: *resperf
  variables:
    RESPERF_TEST: resperf.fwd-tls6.udp

resperf:fwd-tls6.udp-asan:lowres:
  <<: *resperf
  variables:
    RESPERF_TEST: resperf.fwd-tls6.udp
    RESPERF_MEMORY_LIMIT: 100M
    RESPERF_ULIMIT_N: 1024

resperf:fwd-udp6.udp-asan:
  <<: *resperf
  variables:
    RESPERF_TEST: resperf.fwd-udp6.udp

resperf:fwd-udp6.udp-asan:lowres:
  <<: *resperf
  variables:
    RESPERF_TEST: resperf.fwd-udp6.udp
    RESPERF_MEMORY_LIMIT: 100M
    RESPERF_ULIMIT_N: 1024

resperf:iter.udp-asan:
  <<: *resperf
  variables:
    RESPERF_TEST: resperf.iter.udp

resperf:iter.udp-asan:lowres:
  <<: *resperf
  variables:
    RESPERF_TEST: resperf.iter.udp
    RESPERF_MEMORY_LIMIT: 100M
    RESPERF_ULIMIT_N: 1024


distro:fedora-29:
  stage: test
  except:
    - master
  image: $CI_REGISTRY/knot/knot-resolver/ci/fedora
  only:  # trigger job only in repos under our control
    - branches@knot/knot-resolver
    - branches@knot/knot-resolver-security
  dependencies:
    - srpm
  script:
    - mock --no-clean --old-chroot -r fedora-29-x86_64 --rebuild *.src.rpm || (cat /var/lib/mock/fedora-29-x86_64/result/build.log; false)
  after_script:
    - mv /var/lib/mock/fedora-29-x86_64/result fedora-29-x86_64
  artifacts:
    when: always
    expire_in: '1 week'
    paths:
      - fedora-29-x86_64/
  tags:
    - privileged  # mock requires additional capabilities (e.g. mount)

distro:epel-7:
  stage: test
  except:
    - master
  image: $CI_REGISTRY/knot/knot-resolver/ci/fedora
  only:  # trigger job only in repos under our control
    - branches@knot/knot-resolver
    - branches@knot/knot-resolver-security
  dependencies:
    - srpm
  script:
    - mock --no-clean --dnf --old-chroot -r epel-7-x86_64 --rebuild *.src.rpm || (cat /var/lib/mock/epel-7-x86_64/result/build.log; false)
  after_script:
    - mv /var/lib/mock/epel-7-x86_64/result epel-7-x86_64
  artifacts:
    when: always
    expire_in: '1 week'
    paths:
      - epel-7-x86_64/
  tags:
    - privileged  # mock require additional capabilities (e.g. mount)

# compute coverage for runs with COVERAGE=1
coverage:
  stage: coverage
  except:
    - master
    - branches@knot/knot-resolver-security
  only:
    variables:
      - $COVERAGE == "1"
  script:
    - make coverage
  artifacts:
    expire_in: '1 week'
    paths:
      - coverage
  coverage: '/lines\.+:\s(\d+.\d+\%)/'
  dependencies:
    - build:linux:amd64
    - test:linux:amd64
    - installcheck:linux:amd64
    - deckard:linux:amd64
    - respdiff:iter:udp:linux:amd64
  tags:
    - docker
    - linux
    - amd64

# publish coverage only for master branch
pages:
  stage: deploy
  only:
    refs:
      - nightly@knot/knot-resolver
    variables:
      - $COVERAGE == "1"
  dependencies:
    - coverage
  script:
    - mv coverage/ public/
  artifacts:
    expire_in: '30 days'
    paths:
      - public

# trigger obs build for master branch
obs:devel:
  stage: deploy
  only:
    variables:
      - $OBS_BUILD == "1"
    refs:
      - nightly@knot/knot-resolver
  dependencies: []
  script:
    - scripts/make-archive.sh
    - scripts/make-distrofiles.sh
    - echo -e "[general]\napiurl = https://api.opensuse.org\n\n[https://api.opensuse.org]\nuser = CZ-NIC-automation\npass = $OBS_PASSWORD" > /root/.oscrc
    - scripts/build-in-obs.sh knot-dns-devel  # build against latest development version of knot
    - scripts/build-in-obs.sh knot-resolver-devel  # build against knot in knot-resolver-latest

pkg:debian:symbols:libkres:
  variables:
    LIB_NAME: libkres
    LIB_ABI: 8
  stage: deploy
  only:
    variables:
      - $OBS_BUILD == "1"
    refs:
      - nightly@knot/knot-resolver
  except:
    - master
  script:
    - ln -s distro/deb debian
    - sed -i "s/__VERSION__/99/g" distro/deb/changelog
    - dpkg-gensymbols -c4 -elib/$LIB_NAME.so.$LIB_ABI -P. -p$LIB_NAME$LIB_ABI
  allow_failure: true
  dependencies:
    - build:linux:amd64


# copy snapshot of current master to nightly branch for further processing
# (this is workaround for missing complex conditions for job limits in Gitlab)
nightly:copy:
  stage: deploy
  only:
    variables:
      - $CREATE_NIGHTLY == "1"
    refs:
      - master@knot/knot-resolver
  dependencies: []
  script:
    # delete nightly branch
    - 'curl --request PUT --header "PRIVATE-TOKEN: $GITLAB_API_TOKEN" "https://gitlab.labs.nic.cz/api/v4/projects/147/repository/branches/nightly/unprotect"'
    - 'curl --request DELETE --header "PRIVATE-TOKEN: $GITLAB_API_TOKEN" "https://gitlab.labs.nic.cz/api/v4/projects/147/repository/branches/nightly"'
    # recreate nightly branch from current master
    - 'curl --request POST --header "PRIVATE-TOKEN: $GITLAB_API_TOKEN" "https://gitlab.labs.nic.cz/api/v4/projects/147/repository/branches?branch=nightly&ref=master"'
    - 'curl --request PUT --header "PRIVATE-TOKEN: $GITLAB_API_TOKEN" "https://gitlab.labs.nic.cz/api/v4/projects/147/repository/branches/nightly/protect"'


#arm_build:
#  image: cznic/armhf-ubuntu:16.04
#  stage: build
#  script:
#    - make -k all
#  tags:
#    - docker
#    - linux
#    - arm

#arm_test:
#  image: armv7/armhf-ubuntu:16.04
#  stage: test
#  script:
#    - make -k check
#  tags:
#    - docker
#    - linux
#    - arm