#!groovy
// -*- mode: groovy -*-

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

// Jenkins pipeline
// See documents at https://jenkins.io/doc/book/pipeline/jenkinsfile/

// Docker env used for testing
// Different image may have different version tag
// because some of them are more stable than anoter.
//
// Docker images are maintained by PMC, cached in dockerhub
// and remains relatively stable over the time.
// Flow for upgrading docker env(need commiter)
//
// - Send PR to upgrade build script in the repo
// - Build the new docker image
// - Tag the docker image with a new version and push to a binary cache.
// - Update the version in the Jenkinsfile, send a PR
// - Fix any issues wrt to the new image version in the PR
// - Merge the PR and now we are in new version
// - Tag the new version as the lates
// - Periodically cleanup the old versions on local workers
//

// Hashtag in the source to build current CI docker builds
//
//
import org.jenkinsci.plugins.pipeline.modeldefinition.Utils

// NOTE: these lines are scanned by docker/dev_common.sh. Please update the regex as needed. -->
ci_lint = "tlcpack/ci-lint:v0.67"
ci_gpu = "tlcpack/ci-gpu:v0.78"
ci_cpu = "tlcpack/ci-cpu:v0.79"
ci_wasm = "tlcpack/ci-wasm:v0.71"
ci_i386 = "tlcpack/ci-i386:v0.74"
ci_qemu = "tlcpack/ci-qemu:v0.08"
ci_arm = "tlcpack/ci-arm:v0.06"
// <--- End of regex-scanned config.

// Parameters to allow overriding (in Jenkins UI), the images
// to be used by a given build. When provided, they take precedence
// over default values above.
properties([
  parameters([
    string(name: 'ci_lint_param', defaultValue: ""),
    string(name: 'ci_cpu_param',  defaultValue: ""),
    string(name: 'ci_gpu_param',  defaultValue: ""),
    string(name: 'ci_wasm_param', defaultValue: ""),
    string(name: 'ci_i386_param', defaultValue: ""),
    string(name: 'ci_qemu_param', defaultValue: ""),
    string(name: 'ci_arm_param',  defaultValue: "")
  ])
])

// tvm libraries
tvm_runtime = "build/libtvm_runtime.so, build/config.cmake"
tvm_lib = "build/libtvm.so, " + tvm_runtime
// LLVM upstream lib
tvm_multilib = "build/libtvm.so, " +
               "build/libvta_fsim.so, " +
               tvm_runtime

tvm_multilib_tsim = "build/libvta_tsim.so, " +
               tvm_multilib

// command to start a docker container
docker_run = 'docker/bash.sh'
// timeout in minutes
max_time = 240

def per_exec_ws(folder) {
  return "workspace/exec_${env.EXECUTOR_NUMBER}/" + folder
}

// initialize source codes
def init_git() {
  // Add more info about job node
  sh """
     echo "INFO: NODE_NAME=${NODE_NAME} EXECUTOR_NUMBER=${EXECUTOR_NUMBER}"
     """
  checkout scm
  retry(5) {
    timeout(time: 2, unit: 'MINUTES') {
      sh 'git submodule update --init -f'
    }
  }
}

def init_git_win() {
  checkout scm
  retry(5) {
      timeout(time: 2, unit: 'MINUTES') {
        bat 'git submodule update --init -f'
      }
  }
}

def cancel_previous_build() {
  // cancel previous build if it is not on main.
  if (env.BRANCH_NAME != "main") {
    def buildNumber = env.BUILD_NUMBER as int
    // Milestone API allows us to cancel previous build
    // with the same milestone number
    if (buildNumber > 1) milestone(buildNumber - 1)
    milestone(buildNumber)
  }
}

cancel_previous_build()

stage('Prepare') {
  node('CPU') {
    // When something is provided in ci_*_param, use it, otherwise default with ci_*
    ci_lint = params.ci_lint_param ?: ci_lint
    ci_cpu = params.ci_cpu_param ?: ci_cpu
    ci_gpu = params.ci_gpu_param ?: ci_gpu
    ci_wasm = params.ci_wasm_param ?: ci_wasm
    ci_i386 = params.ci_i386_param ?: ci_i386
    ci_qemu = params.ci_qemu_param ?: ci_qemu
    ci_arm = params.ci_arm_param ?: ci_arm

    sh """
      echo "Docker images being used in this build:"
      echo " ci_lint = ${ci_lint}"
      echo " ci_cpu  = ${ci_cpu}"
      echo " ci_gpu  = ${ci_gpu}"
      echo " ci_wasm = ${ci_wasm}"
      echo " ci_i386 = ${ci_i386}"
      echo " ci_qemu = ${ci_qemu}"
      echo " ci_arm  = ${ci_arm}"
    """
  }
}

stage('Sanity Check') {
  timeout(time: max_time, unit: 'MINUTES') {
    node('CPU') {
      ws(per_exec_ws('tvm/sanity')) {
        init_git()
        is_docs_only_build = sh (returnStatus: true, script: '''
        ./tests/scripts/git_change_docs.sh
        '''
        )
        sh "${docker_run} ${ci_lint}  ./tests/scripts/task_lint.sh"
      }
    }
  }
}

// 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, path, make_flag) {
  timeout(time: max_time, unit: 'MINUTES') {
    try {
      sh "${docker_run} ${docker_type} ./tests/scripts/task_build.sh ${path} ${make_flag}"
      // always run cpp test when build
      sh "${docker_run} ${docker_type} ./tests/scripts/task_cpp_unittest.sh"
    } catch (hudson.AbortException ae) {
      // script exited due to user abort, directly throw instead of retry
      if (ae.getMessage().contains('script returned exit code 143')) {
        throw ae
      }
      echo 'Incremental compilation failed. Fall back to build from scratch'
      sh "${docker_run} ${docker_type} ./tests/scripts/task_clean.sh ${path}"
      sh "${docker_run} ${docker_type} ./tests/scripts/task_build.sh ${path} ${make_flag}"
      sh "${docker_run} ${docker_type} ./tests/scripts/task_cpp_unittest.sh"
    }
  }
}

// pack libraries for later use
def pack_lib(name, libs) {
  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) {
  unstash name
  sh """
     echo "Unpacked ${libs} from ${name}"
     echo ${libs} | sed -e 's/,/ /g' | xargs md5sum
     """
}

stage('Build') {
    parallel 'BUILD: GPU': {
      node('GPUBUILD') {
        ws(per_exec_ws('tvm/build-gpu')) {
          init_git()
          sh "${docker_run} ${ci_gpu} ./tests/scripts/task_config_build_gpu.sh"
          make(ci_gpu, 'build', '-j2')
          pack_lib('gpu', tvm_multilib)
          // compiler test
          sh "${docker_run} ${ci_gpu} ./tests/scripts/task_config_build_gpu_other.sh"
          make(ci_gpu, 'build2', '-j2')
      }
    }
  },
  'BUILD: CPU': {
    if (is_docs_only_build != 1) {
      node('CPU') {
        ws(per_exec_ws('tvm/build-cpu')) {
          init_git()
          sh "${docker_run} ${ci_cpu} ./tests/scripts/task_config_build_cpu.sh"
          make(ci_cpu, 'build', '-j2')
          pack_lib('cpu', tvm_multilib_tsim)
          timeout(time: max_time, unit: 'MINUTES') {
            sh "${docker_run} ${ci_cpu} ./tests/scripts/task_ci_setup.sh"
            sh "${docker_run} ${ci_cpu} ./tests/scripts/task_python_unittest.sh"
            sh "${docker_run} ${ci_cpu} ./tests/scripts/task_python_vta_fsim.sh"
            sh "${docker_run} ${ci_cpu} ./tests/scripts/task_python_vta_tsim.sh"
            // sh "${docker_run} ${ci_cpu} ./tests/scripts/task_golang.sh"
            // TODO(@jroesch): need to resolve CI issue will turn back on in follow up patch
            sh "${docker_run} ${ci_cpu} ./tests/scripts/task_rust.sh"
            junit "build/pytest-results/*.xml"
          }
        }
      }
    } else {
      Utils.markStageSkippedForConditional('BUILD: CPU')
    }
  },
  'BUILD: WASM': {
    if (is_docs_only_build != 1) {
      node('CPU') {
        ws(per_exec_ws('tvm/build-wasm')) {
          init_git()
          sh "${docker_run} ${ci_wasm} ./tests/scripts/task_config_build_wasm.sh"
          make(ci_wasm, 'build', '-j2')
          timeout(time: max_time, unit: 'MINUTES') {
            sh "${docker_run} ${ci_wasm} ./tests/scripts/task_ci_setup.sh"
            sh "${docker_run} ${ci_wasm} ./tests/scripts/task_web_wasm.sh"
          }
        }
      }
    } else {
      Utils.markStageSkippedForConditional('BUILD: WASM')
    }
  },
  'BUILD : i386': {
    if ( is_docs_only_build != 1) {
      node('CPU') {
        ws(per_exec_ws('tvm/build-i386')) {
          init_git()
          sh "${docker_run} ${ci_i386} ./tests/scripts/task_config_build_i386.sh"
          make(ci_i386, 'build', '-j2')
          pack_lib('i386', tvm_multilib_tsim)
        }
      }
    } else {
      Utils.markStageSkippedForConditional('BUILD : i386')
    }
  },
  'BUILD : arm': {
    if (is_docs_only_build != 1) {
      node('ARM') {
        ws(per_exec_ws('tvm/build-arm')) {
          init_git()
          sh "${docker_run} ${ci_arm} ./tests/scripts/task_config_build_arm.sh"
          make(ci_arm, 'build', '-j4')
          pack_lib('arm', tvm_multilib)
        }
      }
     } else {
      Utils.markStageSkippedForConditional('BUILD : arm')
    }
  },
  'BUILD: QEMU': {
    if (is_docs_only_build != 1) {
      node('CPU') {
        ws(per_exec_ws('tvm/build-qemu')) {
          init_git()
          sh "${docker_run} ${ci_qemu} ./tests/scripts/task_config_build_qemu.sh"
          make(ci_qemu, 'build', '-j2')
          timeout(time: max_time, unit: 'MINUTES') {
            sh "${docker_run} ${ci_qemu} ./tests/scripts/task_ci_setup.sh"
            sh "${docker_run} ${ci_qemu} ./tests/scripts/task_python_microtvm.sh"
            junit "build/pytest-results/*.xml"
          }
        }
      }
     } else {
      Utils.markStageSkippedForConditional('BUILD: QEMU')
    }
  }
}

stage('Unit Test') {
    parallel 'python3: GPU': {
      if (is_docs_only_build != 1) {
        node('TensorCore') {
          ws(per_exec_ws('tvm/ut-python-gpu')) {
            init_git()
            unpack_lib('gpu', tvm_multilib)
            timeout(time: max_time, unit: 'MINUTES') {
              sh "${docker_run} ${ci_gpu} ./tests/scripts/task_ci_setup.sh"
              sh "${docker_run} ${ci_gpu} ./tests/scripts/task_sphinx_precheck.sh"
              sh "${docker_run} ${ci_gpu} ./tests/scripts/task_python_unittest_gpuonly.sh"
              sh "${docker_run} ${ci_gpu} ./tests/scripts/task_python_integration_gpuonly.sh"
              junit "build/pytest-results/*.xml"
            }
          }
        }
      } else {
        Utils.markStageSkippedForConditional('python3: i386')
      }
    },
    'python3: CPU': {
      if (is_docs_only_build != 1) {
        node('CPU') {
          ws(per_exec_ws("tvm/ut-python-cpu")) {
            init_git()
            unpack_lib('cpu', tvm_multilib_tsim)
            timeout(time: max_time, unit: 'MINUTES') {
              sh "${docker_run} ${ci_cpu} ./tests/scripts/task_ci_setup.sh"
              sh "${docker_run} ${ci_cpu} ./tests/scripts/task_python_integration.sh"
              junit "build/pytest-results/*.xml"
            }
          }
        }
      } else {
        Utils.markStageSkippedForConditional('python3: i386')
      }
    },
    'python3: i386': {
      if (is_docs_only_build != 1) {
        node('CPU') {
          ws(per_exec_ws('tvm/ut-python-i386')) {
            init_git()
            unpack_lib('i386', tvm_multilib)
            timeout(time: max_time, unit: 'MINUTES') {
              sh "${docker_run} ${ci_i386} ./tests/scripts/task_ci_setup.sh"
              sh "${docker_run} ${ci_i386} ./tests/scripts/task_python_unittest.sh"
              sh "${docker_run} ${ci_i386} ./tests/scripts/task_python_integration_i386only.sh"
              sh "${docker_run} ${ci_i386} ./tests/scripts/task_python_vta_fsim.sh"
              junit "build/pytest-results/*.xml"
            }
          }
        }
     } else {
        Utils.markStageSkippedForConditional('python3: i386')
      }
    },
    'python3: arm': {
      if (is_docs_only_build != 1) {
        node('ARM') {
          ws(per_exec_ws('tvm/ut-python-arm')) {
            init_git()
            unpack_lib('arm', tvm_multilib)
            timeout(time: max_time, unit: 'MINUTES') {
              sh "${docker_run} ${ci_arm} ./tests/scripts/task_ci_setup.sh"
              sh "${docker_run} ${ci_arm} ./tests/scripts/task_python_unittest.sh"
              sh "${docker_run} ${ci_arm} ./tests/scripts/task_python_arm_compute_library.sh"
              junit "build/pytest-results/*.xml"
            // sh "${docker_run} ${ci_arm} ./tests/scripts/task_python_integration.sh"
            }
          }
        }
      } else {
         Utils.markStageSkippedForConditional('python3: arm')
      }
    },
    'java: GPU': {
      if (is_docs_only_build != 1 ) {
        node('GPU') {
          ws(per_exec_ws('tvm/ut-java')) {
            init_git()
              unpack_lib('gpu', tvm_multilib)
              timeout(time: max_time, unit: 'MINUTES') {
                sh "${docker_run} ${ci_gpu} ./tests/scripts/task_ci_setup.sh"
                sh "${docker_run} ${ci_gpu} ./tests/scripts/task_java_unittest.sh"
              }
          }
        }
      } else {
         Utils.markStageSkippedForConditional('java: GPU')
      }
    }
}

stage('Integration Test') {
  parallel 'topi: GPU': {
  if (is_docs_only_build != 1) {
    node('GPU') {
      ws(per_exec_ws('tvm/topi-python-gpu')) {
        init_git()
        unpack_lib('gpu', tvm_multilib)
        timeout(time: max_time, unit: 'MINUTES') {
          sh "${docker_run} ${ci_gpu} ./tests/scripts/task_ci_setup.sh"
          sh "${docker_run} ${ci_gpu} ./tests/scripts/task_python_topi.sh"
          junit "build/pytest-results/*.xml"
        }
      }
    }
    } else {
      Utils.markStageSkippedForConditional('topi: GPU')
  }
  },
  'frontend: GPU': {
    if (is_docs_only_build != 1) {
      node('GPU') {
        ws(per_exec_ws('tvm/frontend-python-gpu')) {
          init_git()
          unpack_lib('gpu', tvm_multilib)
          timeout(time: max_time, unit: 'MINUTES') {
            sh "${docker_run} ${ci_gpu} ./tests/scripts/task_ci_setup.sh"
            sh "${docker_run} ${ci_gpu} ./tests/scripts/task_python_frontend.sh"
            junit "build/pytest-results/*.xml"
          }
        }
      }
     } else {
      Utils.markStageSkippedForConditional('frontend: GPU')
    }
  },
  'frontend: CPU': {
    if (is_docs_only_build != 1) {
      node('CPU') {
        ws(per_exec_ws('tvm/frontend-python-cpu')) {
          init_git()
          unpack_lib('cpu', tvm_multilib)
          timeout(time: max_time, unit: 'MINUTES') {
            sh "${docker_run} ${ci_cpu} ./tests/scripts/task_ci_setup.sh"
            sh "${docker_run} ${ci_cpu} ./tests/scripts/task_python_frontend_cpu.sh"
            junit "build/pytest-results/*.xml"
          }
        }
      }
    } else {
      Utils.markStageSkippedForConditional('frontend: CPU')
    }
  },
  'docs: GPU': {
    node('TensorCore') {
      ws(per_exec_ws('tvm/docs-python-gpu')) {
        init_git()
        unpack_lib('gpu', tvm_multilib)
        timeout(time: max_time, unit: 'MINUTES') {
          sh "${docker_run} ${ci_gpu} ./tests/scripts/task_ci_setup.sh"
          sh "${docker_run} ${ci_gpu} ./tests/scripts/task_python_docs.sh"
        }
        pack_lib('mydocs', 'docs.tgz')
      }
    }
  }
}

/*
stage('Build packages') {
  parallel 'conda CPU': {
    node('CPU') {
      sh "${docker_run} tlcpack/conda-cpu ./conda/build_cpu.sh
    }
  },
  'conda cuda': {
    node('CPU') {
      sh "${docker_run} tlcpack/conda-cuda90 ./conda/build_cuda.sh
      sh "${docker_run} tlcpack/conda-cuda100 ./conda/build_cuda.sh
    }
  }
// Here we could upload the packages to anaconda for releases
// and/or the main branch
}
*/

stage('Deploy') {
    node('doc') {
      ws(per_exec_ws('tvm/deploy-docs')) {
        if (env.BRANCH_NAME == 'main') {
        unpack_lib('mydocs', 'docs.tgz')
        sh 'cp docs.tgz /var/docs/docs.tgz'
        sh 'tar xf docs.tgz -C /var/docs'
        }
      }
    }
}
