Jenkinsfile

// -*- mode: groovy -*-
// Jenkins pipeline
// See documents at https://jenkins.io/doc/book/pipeline/jenkinsfile/

// mxnet libraries
mx_lib = 'lib/libmxnet.so, lib/libmxnet.a, dmlc-core/libdmlc.a, nnvm/lib/libnnvm.a'
// command to start a docker container
docker_run = 'tests/ci_build/ci_build.sh'
// timeout in minutes
max_time = 60
// assign any caught errors here
err = null
// set build status to success by default
currentBuild.result = "SUCCESS"

// initialize source codes
def init_git() {
  retry(5) {
    try {
      timeout(time: 2, unit: 'MINUTES') {
        checkout scm
        sh 'git submodule update --init'
      }
    } catch (exc) {
      deleteDir()
      error "Failed to fetch source codes"
    }
  }
}

def init_git_win() {
  retry(5) {
    try {
      timeout(time: 2, unit: 'MINUTES') {
        checkout scm
        bat 'git submodule update --init'
      }
    } catch (exc) {
      deleteDir()
      error "Failed to fetch source codes"
    }
  }
}

// Run make. First try to do an incremental make from a previous workspace in hope to
// accelerate the compilation. If something wrong, clean the workspace and then
// build from scratch.
def make(docker_type, make_flag) {
  timeout(time: max_time, unit: 'MINUTES') {
    try {
      sh "${docker_run} ${docker_type} make ${make_flag}"
    } catch (exc) {
      echo 'Incremental compilation failed. Fall back to build from scratch'
      sh "${docker_run} ${docker_type} sudo make clean"
      sh "${docker_run} ${docker_type} sudo make -C amalgamation/ clean"
      sh "${docker_run} ${docker_type} make ${make_flag}"
    }
  }
}

// pack libraries for later use
def pack_lib(name, libs=mx_lib) {
  sh """
echo "Packing ${libs} into ${name}"
echo ${libs} | sed -e 's/,/ /g' | xargs md5sum
"""
  stash includes: libs, name: name
}


// unpack libraries saved before
def unpack_lib(name, libs=mx_lib) {
  unstash name
  sh """
echo "Unpacked ${libs} from ${name}"
echo ${libs} | sed -e 's/,/ /g' | xargs md5sum
"""
}

// Python unittest for CPU
def python_ut(docker_type) {
  timeout(time: max_time, unit: 'MINUTES') {
    sh "${docker_run} ${docker_type} find . -name '*.pyc' -type f -delete"
    sh "${docker_run} ${docker_type} PYTHONPATH=./python/ nosetests --with-timer --verbose tests/python/unittest"
    sh "${docker_run} ${docker_type} PYTHONPATH=./python/ nosetests --with-timer --verbose tests/python/train"
    sh "${docker_run} ${docker_type} find . -name '*.pyc' -type f -delete"
    sh "${docker_run} ${docker_type} PYTHONPATH=./python/ nosetests-3.4 --with-timer --verbose tests/python/unittest"
  }
}

// GPU test has two parts. 1) run unittest on GPU, 2) compare the results on
// both CPU and GPU
def python_gpu_ut(docker_type) {
  timeout(time: max_time, unit: 'MINUTES') {
    sh "${docker_run} ${docker_type} find . -name '*.pyc' -type f -delete"
    sh "${docker_run} ${docker_type} PYTHONPATH=./python/ nosetests --with-timer --verbose tests/python/gpu"
    sh "${docker_run} ${docker_type} find . -name '*.pyc' -type f -delete"
    sh "${docker_run} ${docker_type} PYTHONPATH=./python/ nosetests-3.4 --with-timer --verbose tests/python/gpu"
  }
}

try {
    stage("Sanity Check") {
      timeout(time: max_time, unit: 'MINUTES') {
        node('mxnetlinux') {
          ws('workspace/sanity') {
            init_git()
            sh "python tools/license_header.py check"
            make('lint', 'cpplint rcpplint jnilint')
            make('lint', 'pylint')
          }
        }
      }
    }

    stage('Build') {
      parallel 'CPU: Openblas': {
        node('mxnetlinux') {
          ws('workspace/build-cpu') {
            init_git()
            def flag = """ \
    DEV=1                         \
    USE_PROFILER=1                \
    USE_CPP_PACKAGE=1             \
    USE_BLAS=openblas             \
    -j\$(nproc)
    """
            make("cpu", flag)
            pack_lib('cpu')
          }
        }
      },
      'GPU: CUDA7.5+cuDNN5': {
        node('mxnetlinux') {
          ws('workspace/build-gpu') {
            init_git()
            def flag = """ \
    DEV=1                         \
    USE_PROFILER=1                \
    USE_BLAS=openblas             \
    USE_CUDA=1                    \
    USE_CUDA_PATH=/usr/local/cuda \
    USE_CUDNN=1                   \
    USE_CPP_PACKAGE=1             \
    -j\$(nproc)
    """
            make('gpu', flag)
            pack_lib('gpu')
            stash includes: 'build/cpp-package/example/test_score', name: 'cpp_test_score'
          }
        }
      },
      'Amalgamation MIN': {
        node('mxnetlinux') {
          ws('workspace/amalgamation') {
            init_git()
            make('cpu', '-C amalgamation/ clean')
            make('cpu', '-C amalgamation/ USE_BLAS=openblas MIN=1')
          }
        }
      },
      'Amalgamation': {
        node('mxnetlinux') {
          ws('workspace/amalgamation') {
            init_git()
            make('cpu', '-C amalgamation/ clean')
            make('cpu', '-C amalgamation/ USE_BLAS=openblas')
          }
        }
      },
      'GPU: MKLML': {
        node('mxnetlinux') {
          ws('workspace/build-mklml') {
            init_git()
            def flag = """ \
    DEV=1                         \
    USE_PROFILER=1                \
    USE_BLAS=openblas             \
    USE_MKL2017=1                 \
    USE_MKL2017_EXPERIMENTAL=1    \
    USE_CUDA=1                    \
    USE_CUDA_PATH=/usr/local/cuda \
    USE_CUDNN=1                   \
    USE_CPP_PACKAGE=1             \
    -j\$(nproc)
    """
            make('mklml_gpu', flag)
            pack_lib('mklml')
          }
        }
      },
      'CPU windows':{
        node('mxnetwindows') {
          ws('workspace/build-cpu') {
            withEnv(['OpenBLAS_HOME=C:\\mxnet\\openblas', 'OpenCV_DIR=C:\\mxnet\\opencv_vc14', 'CUDA_PATH=C:\\CUDA\\v8.0']) {
              init_git_win()
              bat """mkdir build_vc14_cpu
    cd build_vc14_cpu
    cmake -G \"Visual Studio 14 2015 Win64\" -DUSE_CUDA=0 -DUSE_CUDNN=0 -DUSE_NVRTC=0 -DUSE_OPENCV=1 -DUSE_OPENMP=1 -DUSE_PROFILER=1 -DUSE_BLAS=open -DUSE_LAPACK=1 -DUSE_DIST_KVSTORE=0 ${env.WORKSPACE}"""
              bat 'C:\\mxnet\\build_vc14_cpu.bat'

              bat '''rmdir /s/q pkg_vc14_cpu
    mkdir pkg_vc14_cpu\\lib
    mkdir pkg_vc14_cpu\\python
    mkdir pkg_vc14_cpu\\include
    mkdir pkg_vc14_cpu\\build
    copy build_vc14_cpu\\Release\\libmxnet.lib pkg_vc14_cpu\\lib
    copy build_vc14_cpu\\Release\\libmxnet.dll pkg_vc14_cpu\\build
    xcopy python pkg_vc14_cpu\\python /E /I /Y
    xcopy include pkg_vc14_cpu\\include /E /I /Y
    xcopy dmlc-core\\include pkg_vc14_cpu\\include /E /I /Y
    xcopy mshadow\\mshadow pkg_vc14_cpu\\include\\mshadow /E /I /Y
    xcopy nnvm\\include pkg_vc14_cpu\\nnvm\\include /E /I /Y
    del /Q *.7z
    7z.exe a vc14_cpu.7z pkg_vc14_cpu\\
    '''
              stash includes: 'vc14_cpu.7z', name: 'vc14_cpu'
             }
            }
           }
         },
         'GPU windows':{
           node('mxnetwindows') {
             ws('workspace/build-gpu') {
               withEnv(['OpenBLAS_HOME=C:\\mxnet\\openblas', 'OpenCV_DIR=C:\\mxnet\\opencv_vc14', 'CUDA_PATH=C:\\CUDA\\v8.0']) {
                 init_git_win()
                 bat """mkdir build_vc14_gpu
    call "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\bin\\x86_amd64\\vcvarsx86_amd64.bat"
    cd build_vc14_gpu
    cmake -G \"NMake Makefiles JOM\" -DUSE_CUDA=1 -DUSE_CUDNN=1 -DUSE_NVRTC=1 -DUSE_OPENCV=1 -DUSE_OPENMP=1 -DUSE_PROFILER=1 -DUSE_BLAS=open -DUSE_LAPACK=1 -DUSE_DIST_KVSTORE=0 -DCUDA_ARCH_NAME=All -DCMAKE_CXX_FLAGS_RELEASE="/FS /MD /O2 /Ob2 /DNDEBUG" -DCMAKE_BUILD_TYPE=Release ${env.WORKSPACE}"""
                 bat 'C:\\mxnet\\build_vc14_gpu.bat'
                 bat '''rmdir /s/q pkg_vc14_gpu
    mkdir pkg_vc14_gpu\\lib
    mkdir pkg_vc14_gpu\\python
    mkdir pkg_vc14_gpu\\include
    mkdir pkg_vc14_gpu\\build
    copy build_vc14_gpu\\libmxnet.lib pkg_vc14_gpu\\lib
    copy build_vc14_gpu\\libmxnet.dll pkg_vc14_gpu\\build
    xcopy python pkg_vc14_gpu\\python /E /I /Y
    xcopy include pkg_vc14_gpu\\include /E /I /Y
    xcopy dmlc-core\\include pkg_vc14_gpu\\include /E /I /Y
    xcopy mshadow\\mshadow pkg_vc14_gpu\\include\\mshadow /E /I /Y
    xcopy nnvm\\include pkg_vc14_gpu\\nnvm\\include /E /I /Y
    del /Q *.7z
    7z.exe a vc14_gpu.7z pkg_vc14_gpu\\
    '''
                 stash includes: 'vc14_gpu.7z', name: 'vc14_gpu'
               }
             }
           }
      }
    }

    stage('Unit Test') {
      parallel 'Python2/3: CPU': {
        node('mxnetlinux') {
          ws('workspace/ut-python-cpu') {
            init_git()
            unpack_lib('cpu')
            python_ut('cpu')
          }
        }
      },
      'Python2/3: GPU': {
        node('mxnetlinux') {
          ws('workspace/ut-python-gpu') {
            init_git()
            unpack_lib('gpu', mx_lib)
            python_gpu_ut('gpu')
          }
        }
      },
      'Python2/3: MKLML': {
        node('mxnetlinux') {
          ws('workspace/ut-python-mklml') {
            init_git()
            unpack_lib('mklml')
            python_ut('mklml_gpu')
            python_gpu_ut('mklml_gpu')
          }
        }
      },
      'Scala: CPU': {
        node('mxnetlinux') {
          ws('workspace/ut-scala-cpu') {
            init_git()
            unpack_lib('cpu')
            timeout(time: max_time, unit: 'MINUTES') {
              sh "${docker_run} cpu make scalapkg USE_BLAS=openblas"
              sh "${docker_run} cpu make scalatest USE_BLAS=openblas"
            }
          }
        }
      },
      'Perl: CPU': {
            node('mxnetlinux') {
                ws('workspace/ut-perl-cpu') {
                    init_git()
                    unpack_lib('cpu')
                    timeout(time: max_time, unit: 'MINUTES') {
                        sh "${docker_run} cpu ./perl-package/test.sh"
                    }
                }
            }
      },
      'Perl: GPU': {
            node('mxnetlinux') {
                ws('workspace/ut-perl-gpu') {
                    init_git()
                    unpack_lib('gpu')
                    timeout(time: max_time, unit: 'MINUTES') {
                        sh "${docker_run} gpu ./perl-package/test.sh"
                    }
                }
            }
      },
      'R: CPU': {
        node('mxnetlinux') {
          ws('workspace/ut-r-cpu') {
            init_git()
            unpack_lib('cpu')
            timeout(time: max_time, unit: 'MINUTES') {
              sh "${docker_run} cpu rm -rf .Renviron"
              sh "${docker_run} cpu mkdir -p /workspace/ut-r-cpu/site-library"
              sh "${docker_run} cpu make rpkg USE_BLAS=openblas R_LIBS=/workspace/ut-r-cpu/site-library"
              sh "${docker_run} cpu R CMD INSTALL --library=/workspace/ut-r-cpu/site-library mxnet_current_r.tar.gz"
              sh "${docker_run} cpu make rpkgtest R_LIBS=/workspace/ut-r-cpu/site-library"
            }
          }
        }
      },
      'R: GPU': {
        node('mxnetlinux') {
          ws('workspace/ut-r-gpu') {
            init_git()
            unpack_lib('gpu')
            timeout(time: max_time, unit: 'MINUTES') {
              sh "${docker_run} gpu rm -rf .Renviron"
              sh "${docker_run} gpu mkdir -p /workspace/ut-r-gpu/site-library"
              sh "${docker_run} gpu make rpkg USE_BLAS=openblas R_LIBS=/workspace/ut-r-gpu/site-library"
              sh "${docker_run} gpu R CMD INSTALL --library=/workspace/ut-r-gpu/site-library mxnet_current_r.tar.gz"
              sh "${docker_run} gpu make rpkgtest R_LIBS=/workspace/ut-r-gpu/site-library R_GPU_ENABLE=1"
            }
          }
        }
      },
      'Python2/3: CPU Win':{
        node('mxnetwindows') {
          ws('workspace/ut-python-cpu') {
            init_git_win()
            unstash 'vc14_cpu'
            bat '''rmdir /s/q pkg_vc14_cpu
    7z x -y vc14_cpu.7z'''
            bat """xcopy C:\\mxnet\\data data /E /I /Y
    xcopy C:\\mxnet\\model model /E /I /Y
    call activate py3
    set PYTHONPATH=${env.WORKSPACE}\\pkg_vc14_cpu\\python
    del /S /Q ${env.WORKSPACE}\\pkg_vc14_cpu\\python\\*.pyc
    C:\\mxnet\\test_cpu.bat"""
                            bat """xcopy C:\\mxnet\\data data /E /I /Y
    xcopy C:\\mxnet\\model model /E /I /Y
    call activate py2
    set PYTHONPATH=${env.WORKSPACE}\\pkg_vc14_cpu\\python
    del /S /Q ${env.WORKSPACE}\\pkg_vc14_cpu\\python\\*.pyc
    C:\\mxnet\\test_cpu.bat"""
          }
         }
       },
       'Python2/3: GPU Win':{
         node('mxnetwindows') {
           ws('workspace/ut-python-gpu') {
             init_git_win()
             unstash 'vc14_gpu'
             bat '''rmdir /s/q pkg_vc14_gpu
    7z x -y vc14_gpu.7z'''
             bat """xcopy C:\\mxnet\\data data /E /I /Y
    xcopy C:\\mxnet\\model model /E /I /Y
    call activate py3
    set PYTHONPATH=${env.WORKSPACE}\\pkg_vc14_gpu\\python
    del /S /Q ${env.WORKSPACE}\\pkg_vc14_gpu\\python\\*.pyc
    C:\\mxnet\\test_gpu.bat"""
             bat """xcopy C:\\mxnet\\data data /E /I /Y
    xcopy C:\\mxnet\\model model /E /I /Y
    call activate py2
    set PYTHONPATH=${env.WORKSPACE}\\pkg_vc14_gpu\\python
    del /S /Q ${env.WORKSPACE}\\pkg_vc14_gpu\\python\\*.pyc
    C:\\mxnet\\test_gpu.bat"""
           }
         }
       }
    }

    stage('Integration Test') {
      parallel 'Python': {
        node('mxnetlinux') {
          ws('workspace/it-python-gpu') {
            init_git()
            unpack_lib('gpu')
            timeout(time: max_time, unit: 'MINUTES') {
              sh "${docker_run} gpu PYTHONPATH=./python/ python example/image-classification/test_score.py"
            }
          }
        }
      },
      'Caffe': {
        node('mxnetlinux') {
          ws('workspace/it-caffe') {
            init_git()
            unpack_lib('gpu')
            timeout(time: max_time, unit: 'MINUTES') {
              sh "${docker_run} caffe_gpu PYTHONPATH=/caffe/python:./python python tools/caffe_converter/test_converter.py"
            }
          }
        }
      },
      'cpp-package': {
        node('mxnetlinux') {
          ws('workspace/it-cpp-package') {
            init_git()
            unpack_lib('gpu')
            unstash 'cpp_test_score'
            timeout(time: max_time, unit: 'MINUTES') {
              sh "${docker_run} gpu cpp-package/tests/ci_test.sh"
            }
          }
        }
      }
    }

    stage('Deploy') {
      node('mxnetlinux') {
        ws('workspace/docs') {
          if (env.BRANCH_NAME == "master") {
            init_git()
            sh "make clean"
            sh "make docs"
          }
        }
      }
    }
} catch (caughtError) {
    node("mxnetlinux") {
        sh "echo caught error"
        err = caughtError
        currentBuild.result = "FAILURE"
    }
} finally {
    node("mxnetlinux") {
        // Only send email if master failed
        if (currentBuild.result == "FAILURE" && env.BRANCH_NAME == "master") {
            emailext body: 'Build for MXNet branch ${BRANCH_NAME} has broken. Please view the build at ${BUILD_URL}', replyTo: '${EMAIL}', subject: '[BUILD FAILED] Branch ${BRANCH_NAME} build ${BUILD_NUMBER}', to: '${EMAIL}'
        }
        // Remember to rethrow so the build is marked as failing
        if (err) {
            throw err
        }
    }
}