launcher.py 23.8 KB
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# Copyright (c) Microsoft Corporation
# All rights reserved.
#
# MIT License
#
# Permission is hereby granted, free of charge,
# to any person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and
# to permit persons to whom the Software is furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
# BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


import json
import os
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import sys
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import shutil
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import string
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from subprocess import Popen, PIPE, call, check_output, check_call
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import tempfile
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from nni.constants import ModuleName
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from nni_annotation import *
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from .launcher_utils import validate_all_content
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from .rest_utils import rest_put, rest_post, check_rest_server, check_rest_server_quick, check_response
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from .url_utils import cluster_metadata_url, experiment_url, get_local_urls
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from .config_utils import Config, Experiments
from .common_utils import get_yml_content, get_json_content, print_error, print_normal, print_warning, detect_process, detect_port
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from .constants import *
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import random
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import site
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import time
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from pathlib import Path

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def get_log_path(config_file_name):
    '''generate stdout and stderr log path'''
    stdout_full_path = os.path.join(NNICTL_HOME_DIR, config_file_name, 'stdout')
    stderr_full_path = os.path.join(NNICTL_HOME_DIR, config_file_name, 'stderr')
    return stdout_full_path, stderr_full_path

def print_log_content(config_file_name):
    '''print log information'''
    stdout_full_path, stderr_full_path = get_log_path(config_file_name)
    print_normal(' Stdout:')
    stdout_cmds = ['cat', stdout_full_path]
    stdout_content = check_output(stdout_cmds)
    print(stdout_content.decode('utf-8'))
    print('\n\n')
    print_normal(' Stderr:')
    stderr_cmds = ['cat', stderr_full_path]
    stderr_content = check_output(stderr_cmds)
    print(stderr_content.decode('utf-8'))

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def get_nni_installation_path():
    ''' Find nni lib from the following locations in order
    Return nni root directory if it exists
    '''
    def try_installation_path_sequentially(*sitepackages):
        '''Try different installation path sequentially util nni is found.
        Return None if nothing is found
        '''
        def _generate_installation_path(sitepackages_path):
            python_dir = str(Path(sitepackages_path).parents[2])
            entry_file = os.path.join(python_dir, 'nni', 'main.js')
            if os.path.isfile(entry_file):
                return python_dir
            return None

        for sitepackage in sitepackages:
            python_dir = _generate_installation_path(sitepackage)
            if python_dir:
                return python_dir
        return None

    if os.getenv('VIRTUAL_ENV'):
        # if 'virtualenv' package is used, `site` has not attr getsitepackages, so we will instead use VIRTUAL_ENV
        # Note that conda venv will not have VIRTUAL_ENV
        python_dir = os.getenv('VIRTUAL_ENV')
    else:
        python_sitepackage = site.getsitepackages()[0]
        # If system-wide python is used, we will give priority to using `local sitepackage`--"usersitepackages()" given that nni exists there
        if python_sitepackage.startswith('/usr') or python_sitepackage.startswith('/Library'):
            python_dir = try_installation_path_sequentially(site.getusersitepackages(), site.getsitepackages()[0])
        else:
            python_dir = try_installation_path_sequentially(site.getsitepackages()[0], site.getusersitepackages())

    if python_dir:
        entry_file = os.path.join(python_dir, 'nni', 'main.js')
        if os.path.isfile(entry_file):
            return os.path.join(python_dir, 'nni')
    print_error('Fail to find nni under python library')
    exit(1)
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def start_rest_server(port, platform, mode, config_file_name, experiment_id=None, log_dir=None, log_level=None):
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    '''Run nni manager process'''
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    nni_config = Config(config_file_name)
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    if detect_port(port):
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        print_error('Port %s is used by another process, please reset the port!\n' \
        'You could use \'nnictl create --help\' to get help information' % port)
        exit(1)
    
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    if (platform != 'local') and detect_port(int(port) + 1):
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        print_error('PAI mode need an additional adjacent port %d, and the port %d is used by another process!\n' \
        'You could set another port to start experiment!\n' \
        'You could use \'nnictl create --help\' to get help information' % ((int(port) + 1), (int(port) + 1)))
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        exit(1)
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    print_normal('Starting restful server...')
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    entry_dir = get_nni_installation_path()
    entry_file = os.path.join(entry_dir, 'main.js')
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    cmds = ['node', entry_file, '--port', str(port), '--mode', platform, '--start_mode', mode]
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    if log_dir is not None:
        cmds += ['--log_dir', log_dir]
    if log_level is not None:
        cmds += ['--log_level', log_level]
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    if mode == 'resume':
        cmds += ['--experiment_id', experiment_id]
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    stdout_full_path, stderr_full_path = get_log_path(config_file_name)
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    stdout_file = open(stdout_full_path, 'a+')
    stderr_file = open(stderr_full_path, 'a+')
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    time_now = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
    #add time information in the header of log files
    log_header = LOG_HEADER % str(time_now)
    stdout_file.write(log_header)
    stderr_file.write(log_header)
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    process = Popen(cmds, cwd=entry_dir, stdout=stdout_file, stderr=stderr_file)
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    return process, str(time_now)
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def set_trial_config(experiment_config, port, config_file_name):
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    '''set trial configuration'''
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    request_data = dict()
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    request_data['trial_config'] = experiment_config['trial']
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    response = rest_put(cluster_metadata_url(port), json.dumps(request_data), 20)
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    if check_response(response):
        return True
    else:
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        print('Error message is {}'.format(response.text))
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        _, stderr_full_path = get_log_path(config_file_name)
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        if response:
            with open(stderr_full_path, 'a+') as fout:
                fout.write(json.dumps(json.loads(response.text), indent=4, sort_keys=True, separators=(',', ':')))
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        return False
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def set_local_config(experiment_config, port, config_file_name):
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    '''set local configuration'''
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    return set_trial_config(experiment_config, port, config_file_name)
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def set_remote_config(experiment_config, port, config_file_name):
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    '''Call setClusterMetadata to pass trial'''
    #set machine_list
    request_data = dict()
    request_data['machine_list'] = experiment_config['machineList']
    response = rest_put(cluster_metadata_url(port), json.dumps(request_data), 20)
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    err_message = ''
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    if not response or not check_response(response):
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        if response is not None:
            err_message = response.text
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            _, stderr_full_path = get_log_path(config_file_name)
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            with open(stderr_full_path, 'a+') as fout:
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                fout.write(json.dumps(json.loads(err_message), indent=4, sort_keys=True, separators=(',', ':')))
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        return False, err_message
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    result, message = setNNIManagerIp(experiment_config, port, config_file_name)
    if not result:
        return result, message
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    #set trial_config
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    return set_trial_config(experiment_config, port, config_file_name), err_message
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def setNNIManagerIp(experiment_config, port, config_file_name):
    '''set nniManagerIp'''
    if experiment_config.get('nniManagerIp') is None:
        return True, None
    ip_config_dict = dict()
    ip_config_dict['nni_manager_ip'] = { 'nniManagerIp' : experiment_config['nniManagerIp'] }
    response = rest_put(cluster_metadata_url(port), json.dumps(ip_config_dict), 20)
    err_message = None
    if not response or not response.status_code == 200:
        if response is not None:
            err_message = response.text
            _, stderr_full_path = get_log_path(config_file_name)
            with open(stderr_full_path, 'a+') as fout:
                fout.write(json.dumps(json.loads(err_message), indent=4, sort_keys=True, separators=(',', ':')))
        return False, err_message
    return True, None

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def set_pai_config(experiment_config, port, config_file_name):
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    '''set pai configuration''' 
    pai_config_data = dict()
    pai_config_data['pai_config'] = experiment_config['paiConfig']
    response = rest_put(cluster_metadata_url(port), json.dumps(pai_config_data), 20)
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    err_message = None
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    if not response or not response.status_code == 200:
        if response is not None:
            err_message = response.text
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            _, stderr_full_path = get_log_path(config_file_name)
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            with open(stderr_full_path, 'a+') as fout:
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                fout.write(json.dumps(json.loads(err_message), indent=4, sort_keys=True, separators=(',', ':')))
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        return False, err_message
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    result, message = setNNIManagerIp(experiment_config, port, config_file_name)
    if not result:
        return result, message
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    #set trial_config
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    return set_trial_config(experiment_config, port, config_file_name), err_message
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def set_kubeflow_config(experiment_config, port, config_file_name):
    '''set kubeflow configuration''' 
    kubeflow_config_data = dict()
    kubeflow_config_data['kubeflow_config'] = experiment_config['kubeflowConfig']
    response = rest_put(cluster_metadata_url(port), json.dumps(kubeflow_config_data), 20)
    err_message = None
    if not response or not response.status_code == 200:
        if response is not None:
            err_message = response.text
            _, stderr_full_path = get_log_path(config_file_name)
            with open(stderr_full_path, 'a+') as fout:
                fout.write(json.dumps(json.loads(err_message), indent=4, sort_keys=True, separators=(',', ':')))
        return False, err_message
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    result, message = setNNIManagerIp(experiment_config, port, config_file_name)
    if not result:
        return result, message
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    #set trial_config
    return set_trial_config(experiment_config, port, config_file_name), err_message

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def set_frameworkcontroller_config(experiment_config, port, config_file_name):
    '''set kubeflow configuration''' 
    frameworkcontroller_config_data = dict()
    frameworkcontroller_config_data['frameworkcontroller_config'] = experiment_config['frameworkcontrollerConfig']
    response = rest_put(cluster_metadata_url(port), json.dumps(frameworkcontroller_config_data), 20)
    err_message = None
    if not response or not response.status_code == 200:
        if response is not None:
            err_message = response.text
            _, stderr_full_path = get_log_path(config_file_name)
            with open(stderr_full_path, 'a+') as fout:
                fout.write(json.dumps(json.loads(err_message), indent=4, sort_keys=True, separators=(',', ':')))
        return False, err_message
    result, message = setNNIManagerIp(experiment_config, port, config_file_name)
    if not result:
        return result, message
    #set trial_config
    return set_trial_config(experiment_config, port, config_file_name), err_message

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def set_experiment(experiment_config, mode, port, config_file_name):
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    '''Call startExperiment (rest POST /experiment) with yaml file content'''
    request_data = dict()
    request_data['authorName'] = experiment_config['authorName']
    request_data['experimentName'] = experiment_config['experimentName']
    request_data['trialConcurrency'] = experiment_config['trialConcurrency']
    request_data['maxExecDuration'] = experiment_config['maxExecDuration']
    request_data['maxTrialNum'] = experiment_config['maxTrialNum']
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    request_data['searchSpace'] = experiment_config.get('searchSpace')
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    request_data['trainingServicePlatform'] = experiment_config.get('trainingServicePlatform')

    if experiment_config.get('description'):
        request_data['description'] = experiment_config['description']
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    if experiment_config.get('multiPhase'):
        request_data['multiPhase'] = experiment_config.get('multiPhase')
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    if experiment_config.get('multiThread'):
        request_data['multiThread'] = experiment_config.get('multiThread')
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    if experiment_config.get('advisor'):
        request_data['advisor'] = experiment_config['advisor']
    else:
        request_data['tuner'] = experiment_config['tuner']
        if 'assessor' in experiment_config:
            request_data['assessor'] = experiment_config['assessor']
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    request_data['clusterMetaData'] = []
    if experiment_config['trainingServicePlatform'] == 'local':
        request_data['clusterMetaData'].append(
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            {'key':'codeDir', 'value':experiment_config['trial']['codeDir']})
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        request_data['clusterMetaData'].append(
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            {'key': 'command', 'value': experiment_config['trial']['command']})
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    elif experiment_config['trainingServicePlatform'] == 'remote':
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        request_data['clusterMetaData'].append(
            {'key': 'machine_list', 'value': experiment_config['machineList']})
        request_data['clusterMetaData'].append(
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            {'key': 'trial_config', 'value': experiment_config['trial']})
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    elif experiment_config['trainingServicePlatform'] == 'pai':
        request_data['clusterMetaData'].append(
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            {'key': 'pai_config', 'value': experiment_config['paiConfig']})        
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        request_data['clusterMetaData'].append(
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            {'key': 'trial_config', 'value': experiment_config['trial']})
    elif experiment_config['trainingServicePlatform'] == 'kubeflow':
        request_data['clusterMetaData'].append(
            {'key': 'kubeflow_config', 'value': experiment_config['kubeflowConfig']})
        request_data['clusterMetaData'].append(
            {'key': 'trial_config', 'value': experiment_config['trial']})
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    elif experiment_config['trainingServicePlatform'] == 'frameworkcontroller':
        request_data['clusterMetaData'].append(
            {'key': 'frameworkcontroller_config', 'value': experiment_config['frameworkcontrollerConfig']})
        request_data['clusterMetaData'].append(
            {'key': 'trial_config', 'value': experiment_config['trial']})
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    response = rest_post(experiment_url(port), json.dumps(request_data), 20)
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    if check_response(response):
        return response
    else:
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        _, stderr_full_path = get_log_path(config_file_name)
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        if response:
            with open(stderr_full_path, 'a+') as fout:
                fout.write(json.dumps(json.loads(response.text), indent=4, sort_keys=True, separators=(',', ':')))
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            print_error('Setting experiment error, error message is {}'.format(response.text))
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        return None
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def launch_experiment(args, experiment_config, mode, config_file_name, experiment_id=None):
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    '''follow steps to start rest server and start experiment'''
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    nni_config = Config(config_file_name)
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    # check packages for tuner
    if experiment_config.get('tuner') and experiment_config['tuner'].get('builtinTunerName'):
        tuner_name = experiment_config['tuner']['builtinTunerName']
        module_name = ModuleName[tuner_name]
        try:
            check_call([sys.executable, '-c', 'import %s'%(module_name)])
        except ModuleNotFoundError as e:
            print_error('The tuner %s should be installed through nnictl'%(tuner_name))
            exit(1)
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    log_dir = experiment_config['logDir'] if experiment_config.get('logDir') else None
    log_level = experiment_config['logLevel'] if experiment_config.get('logLevel') else None
    if log_level not in ['trace', 'debug'] and args.debug:
        log_level = 'debug'
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    # start rest server
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    rest_process, start_time = start_rest_server(args.port, experiment_config['trainingServicePlatform'], mode, config_file_name, experiment_id, log_dir, log_level)
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    nni_config.set_config('restServerPid', rest_process.pid)
    # Deal with annotation
    if experiment_config.get('useAnnotation'):
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        path = os.path.join(tempfile.gettempdir(), os.environ['USER'], 'nni', 'annotation')
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        if not os.path.isdir(path):
            os.makedirs(path)
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        path = tempfile.mkdtemp(dir=path)
        code_dir = expand_annotations(experiment_config['trial']['codeDir'], path)
        experiment_config['trial']['codeDir'] = code_dir
        search_space = generate_search_space(code_dir)
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        experiment_config['searchSpace'] = json.dumps(search_space)
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        assert search_space, ERROR_INFO % 'Generated search space is empty'
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    elif experiment_config.get('searchSpacePath'):
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        search_space = get_json_content(experiment_config.get('searchSpacePath'))
        experiment_config['searchSpace'] = json.dumps(search_space)
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    else:
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        experiment_config['searchSpace'] = json.dumps('')
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    # check rest server
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    running, _ = check_rest_server(args.port)
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    if running:
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        print_normal('Successfully started Restful server!')
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    else:
        print_error('Restful server start failed!')
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        print_log_content(config_file_name)
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        try:
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            cmds = ['kill', str(rest_process.pid)]
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            call(cmds)
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        except Exception:
            raise Exception(ERROR_INFO % 'Rest server stopped!')
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        exit(1)
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    # set remote config
    if experiment_config['trainingServicePlatform'] == 'remote':
        print_normal('Setting remote config...')
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        config_result, err_msg = set_remote_config(experiment_config, args.port, config_file_name)
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        if config_result:
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            print_normal('Successfully set remote config!')
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        else:
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            print_error('Failed! Error is: {}'.format(err_msg))
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            try:
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                cmds = ['kill', str(rest_process.pid)]
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                call(cmds)
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            except Exception:
                raise Exception(ERROR_INFO % 'Rest server stopped!')
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            exit(1)
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    # set local config
    if experiment_config['trainingServicePlatform'] == 'local':
        print_normal('Setting local config...')
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        if set_local_config(experiment_config, args.port, config_file_name):
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            print_normal('Successfully set local config!')
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        else:
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            print_error('Set local config failed!')
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            try:
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                cmds = ['kill', str(rest_process.pid)]
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                call(cmds)
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            except Exception:
                raise Exception(ERROR_INFO % 'Rest server stopped!')
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            exit(1)
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    #set pai config
    if experiment_config['trainingServicePlatform'] == 'pai':
        print_normal('Setting pai config...')
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        config_result, err_msg = set_pai_config(experiment_config, args.port, config_file_name)
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        if config_result:
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            print_normal('Successfully set pai config!')
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        else:
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            if err_msg:
                print_error('Failed! Error is: {}'.format(err_msg))
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            try:
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                cmds = ['kill', str(rest_process.pid)]
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                call(cmds)
            except Exception:
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                raise Exception(ERROR_INFO % 'Restful server stopped!')
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            exit(1)
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    #set kubeflow config
    if experiment_config['trainingServicePlatform'] == 'kubeflow':
        print_normal('Setting kubeflow config...')
        config_result, err_msg = set_kubeflow_config(experiment_config, args.port, config_file_name)
        if config_result:
            print_normal('Successfully set kubeflow config!')
        else:
            if err_msg:
                print_error('Failed! Error is: {}'.format(err_msg))
            try:
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                cmds = ['pkill', str(rest_process.pid)]
                call(cmds)
            except Exception:
                raise Exception(ERROR_INFO % 'Restful server stopped!')
            exit(1)
    
        #set kubeflow config
    if experiment_config['trainingServicePlatform'] == 'frameworkcontroller':
        print_normal('Setting frameworkcontroller config...')
        config_result, err_msg = set_frameworkcontroller_config(experiment_config, args.port, config_file_name)
        if config_result:
            print_normal('Successfully set frameworkcontroller config!')
        else:
            if err_msg:
                print_error('Failed! Error is: {}'.format(err_msg))
            try:
                cmds = ['pkill', str(rest_process.pid)]
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                call(cmds)
            except Exception:
                raise Exception(ERROR_INFO % 'Restful server stopped!')
            exit(1)
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    # start a new experiment
    print_normal('Starting experiment...')
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    response = set_experiment(experiment_config, mode, args.port, config_file_name)
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    if response:
        if experiment_id is None:
            experiment_id = json.loads(response.text).get('experiment_id')
        nni_config.set_config('experimentId', experiment_id)
    else:
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        print_error('Start experiment failed!')
        print_log_content(config_file_name)
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        try:
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            cmds = ['kill', str(rest_process.pid)]
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            call(cmds)
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        except Exception:
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            raise Exception(ERROR_INFO % 'Restful server stopped!')
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        exit(1)
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    if experiment_config.get('nniManagerIp'):
        web_ui_url_list = ['{0}:{1}'.format(experiment_config['nniManagerIp'], str(args.port))]
    else:
        web_ui_url_list = get_local_urls(args.port)
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    nni_config.set_config('webuiUrl', web_ui_url_list)
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    #save experiment information
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    nnictl_experiment_config = Experiments()
    nnictl_experiment_config.add_experiment(experiment_id, args.port, start_time, config_file_name, experiment_config['trainingServicePlatform'])
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    print_normal(EXPERIMENT_SUCCESS_INFO % (experiment_id, '   '.join(web_ui_url_list)))
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def resume_experiment(args):
    '''resume an experiment'''
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    experiment_config = Experiments()
    experiment_dict = experiment_config.get_all_experiments()
    experiment_id = None
    experiment_endTime = None
    #find the latest stopped experiment
    if not args.id:
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        print_error('Please set experiment id! \nYou could use \'nnictl resume {id}\' to resume a stopped experiment!\n' \
        'You could use \'nnictl experiment list all\' to show all of stopped experiments!')
        exit(1)
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    else:
        if experiment_dict.get(args.id) is None:
            print_error('Id %s not exist!' % args.id)
            exit(1)
        if experiment_dict[args.id]['status'] == 'running':
            print_error('Experiment %s is running!' % args.id)
            exit(1)
        experiment_id = args.id
    print_normal('Resuming experiment %s...' % experiment_id)
    nni_config = Config(experiment_dict[experiment_id]['fileName'])
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    experiment_config = nni_config.get_config('experimentConfig')
    experiment_id = nni_config.get_config('experimentId')
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    new_config_file_name = ''.join(random.sample(string.ascii_letters + string.digits, 8))
    new_nni_config = Config(new_config_file_name)
    new_nni_config.set_config('experimentConfig', experiment_config)
    launch_experiment(args, experiment_config, 'resume', new_config_file_name, experiment_id)
    new_nni_config.set_config('restServerPort', args.port)
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def create_experiment(args):
    '''start a new experiment'''
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    config_file_name = ''.join(random.sample(string.ascii_letters + string.digits, 8))
    nni_config = Config(config_file_name)
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    config_path = os.path.abspath(args.config)
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    if not os.path.exists(config_path):
        print_error('Please set correct config path!')
        exit(1)
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    experiment_config = get_yml_content(config_path)
    validate_all_content(experiment_config, config_path)
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    nni_config.set_config('experimentConfig', experiment_config)
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    launch_experiment(args, experiment_config, 'new', config_file_name)
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    nni_config.set_config('restServerPort', args.port)