mirror of
https://github.com/tencentmusic/cube-studio.git
synced 2024-12-15 06:09:57 +08:00
300 lines
11 KiB
Python
300 lines
11 KiB
Python
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import os,sys
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base_dir = os.path.split(os.path.realpath(__file__))[0]
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sys.path.append(base_dir)
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import argparse
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import datetime
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import json
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import time
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import uuid
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import os
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import pysnooper
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import os,sys
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import re
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import threading
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import psutil
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import copy
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from kubernetes import client
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# print(os.environ)
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from job.pkgs.k8s.py_k8s import K8s
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k8s_client = K8s()
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KFJ_NAMESPACE = os.getenv('KFJ_NAMESPACE', '')
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KFJ_TASK_ID = os.getenv('KFJ_TASK_ID', '')
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KFJ_TASK_NAME = os.getenv('KFJ_TASK_NAME', '')
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task_node_selectors = re.split(',|;|\n|\t', os.getenv('KFJ_TASK_NODE_SELECTOR', 'cpu=true,train=true'))
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KFJ_TASK_NODE_SELECTOR = {}
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for task_node_selector in task_node_selectors:
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KFJ_TASK_NODE_SELECTOR[task_node_selector.split('=')[0]] = task_node_selector.split('=')[1]
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KFJ_PIPELINE_ID = os.getenv('KFJ_PIPELINE_ID', '')
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KFJ_RUN_ID = os.getenv('KFJ_RUN_ID', '')
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KFJ_CREATOR = os.getenv('KFJ_CREATOR', '')
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KFJ_RUNNER = os.getenv('KFJ_RUNNER','')
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KFJ_PIPELINE_NAME = os.getenv('KFJ_PIPELINE_NAME', '')
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KFJ_TASK_IMAGES = os.getenv('KFJ_TASK_IMAGES', '')
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KFJ_TASK_VOLUME_MOUNT = os.getenv('KFJ_TASK_VOLUME_MOUNT', '')
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KFJ_TASK_RESOURCE_CPU = os.getenv('KFJ_TASK_RESOURCE_CPU', '')
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KFJ_TASK_RESOURCE_MEMORY = os.getenv('KFJ_TASK_RESOURCE_MEMORY', '')
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NUM_WORKER = 3
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INIT_FILE=''
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crd_info = {
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"group": "kubeflow.org",
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"version": "v1",
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"plural": "tfjobs",
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'kind':'TFJob',
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"timeout": 60*60*24*2
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}
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k8s_volumes, k8s_volume_mounts = k8s_client.get_volume_mounts(KFJ_TASK_VOLUME_MOUNT,KFJ_CREATOR)
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print(k8s_volumes)
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print(k8s_volume_mounts)
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GPU_TYPE= os.getenv('KFJ_GPU_TYPE', 'NVIDIA')
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GPU_RESOURCE= os.getenv('KFJ_TASK_RESOURCE_GPU', '0')
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print(GPU_TYPE,GPU_RESOURCE)
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def default_job_name():
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name = "tfjob-" + KFJ_PIPELINE_NAME.replace('_','-')+"-"+uuid.uuid4().hex[:4]
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return name[0:54]
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import subprocess
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# @pysnooper.snoop()
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def run_shell(shell):
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print('begin run shell: %s'%shell,flush=True)
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cmd = subprocess.Popen(shell, stdin=subprocess.PIPE, stderr=subprocess.PIPE,
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stdout=subprocess.PIPE, universal_newlines=True, shell=True, bufsize=1)
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# 实时输出
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while True:
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line = cmd.stdout.readline()
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status = subprocess.Popen.poll(cmd)
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if status:
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print(status,line,end='', flush=True)
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else:
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print(line, end='', flush=True)
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if status == 0: # 判断子进程是否结束
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print('shell finish %s'%status,flush=True)
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break
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if status==-9 or status==-15 or status==143: # 外界触发kill
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print('shell finish %s'%status,flush=True)
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break
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return cmd.returncode
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# 监控指定名称的tfjob
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def monitoring(crd_k8s,name,namespace):
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time.sleep(10)
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# 杀掉stern 进程
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def get_pid(name):
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'''
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作用：根据进程名获取进程pid
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'''
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pids = psutil.process_iter()
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print("[" + name + "]'s pid is:", flush=True)
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back=[]
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for pid in pids:
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if name in pid.name():
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print(pid.pid, flush=True)
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back.append(pid.pid)
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return back
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check_time = datetime.datetime.now()
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while(True):
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tfjob = crd_k8s.get_one_crd(group=crd_info['group'],version=crd_info['version'],plural=crd_info['plural'],namespace=namespace,name=name)
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if tfjob:
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print('tfjob status %s'%tfjob['status'], flush=True)
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else:
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print('tfjob not exist', flush=True)
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if tfjob and (tfjob['status']=="Succeeded" or tfjob['status']=="Failed"): # Created, Running, Restarting, Succeeded, or Failed
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pids = get_pid("stern")
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if pids:
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for pid in pids:
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pro = psutil.Process(int(pid))
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pro.terminate()
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print('kill process %s'%pid, flush=True)
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break
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if (datetime.datetime.now()-check_time).seconds>3600:
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pids = get_pid("stern")
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if pids:
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for pid in pids:
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pro = psutil.Process(int(pid))
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pro.terminate()
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print('kill process %s'%pid, flush=True)
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check_time=datetime.datetime.now()
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time.sleep(60)
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# @pysnooper.snoop()
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def make_tfjob(name,num_workers,image,working_dir,command):
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# if type(command)==str:
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# command=command.split(" ")
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# command = [c for c in command if c]
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pod_spec={
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"replicas": 1,
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"restartPolicy": "Never",
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"template": {
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"metadata": {
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"labels": {
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"pipeline-id": KFJ_PIPELINE_ID,
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"pipeline-name": KFJ_PIPELINE_NAME,
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"task-id": KFJ_TASK_ID,
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"task-name": KFJ_TASK_NAME,
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'rtx-user': KFJ_RUNNER,
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"component": name,
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"type": "tfjob",
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"run-id": KFJ_RUN_ID,
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}
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},
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"spec": {
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"schedulerName": "kube-batch",
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"restartPolicy": "Never",
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"volumes": k8s_volumes,
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"nodeSelector":KFJ_TASK_NODE_SELECTOR,
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"affinity": {
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"podAntiAffinity": {
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"preferredDuringSchedulingIgnoredDuringExecution": [
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{
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"weight": 5,
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"podAffinityTerm": {
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"topologyKey": "kubernetes.io/hostname",
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"labelSelector": {
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"matchLabels": {
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"component": name,
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"type": "tfjob"
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}
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}
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}
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}
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]
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}
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},
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"containers": [
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{
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"name": "tensorflow", # 容器的名称必须是tensorflow
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"image": image if image else KFJ_TASK_IMAGES,
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"imagePullPolicy": "Always",
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"workingDir":working_dir,
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"env":[],
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"command": ['bash','-c',command],
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"volumeMounts": k8s_volume_mounts,
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"resources": {
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"requests": {
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"cpu": KFJ_TASK_RESOURCE_CPU,
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"memory": KFJ_TASK_RESOURCE_MEMORY,
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},
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"limits": {
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"cpu": KFJ_TASK_RESOURCE_CPU,
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"memory": KFJ_TASK_RESOURCE_MEMORY
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}
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}
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}
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]
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}
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}
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}
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if GPU_RESOURCE:
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pod_spec['template']['spec']['containers'][0]['resources']['requests']['nvidia.com/gpu'] = GPU_RESOURCE.split(',')[0]
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pod_spec['template']['spec']['containers'][0]['resources']['limits']['nvidia.com/gpu'] = GPU_RESOURCE.split(',')[0]
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worker_pod_spec = copy.deepcopy(pod_spec)
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worker_pod_spec['replicas']=int(num_workers)
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tfjob_deploy = {
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"apiVersion": "kubeflow.org/v1",
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"kind": "TFJob",
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"metadata": {
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"namespace": KFJ_NAMESPACE,
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"name": name,
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"labels":{
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"run-id":KFJ_RUN_ID,
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"run-rtx":KFJ_RUNNER,
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"pipeline-rtx": KFJ_CREATOR,
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"pipeline-id": KFJ_PIPELINE_ID,
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"pipeline-name": KFJ_PIPELINE_NAME,
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"task-id": KFJ_TASK_ID,
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"task-name": KFJ_TASK_NAME,
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}
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},
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"spec": {
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"backoffLimit":num_workers,
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"cleanPodPolicy": "None",
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"tfReplicaSpecs": {
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"Worker":worker_pod_spec
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}
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}
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}
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return tfjob_deploy
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# @pysnooper.snoop()
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def launch_tfjob(name, num_workers, image,working_dir, worker_command):
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if KFJ_RUN_ID:
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print('delete old tfjob, run-id %s'%KFJ_RUN_ID, flush=True)
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k8s_client.delete_crd(group=crd_info['group'],version=crd_info['version'],plural=crd_info['plural'],namespace=KFJ_NAMESPACE,labels={"run-id":KFJ_RUN_ID})
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time.sleep(10)
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# 删除旧的tfjob
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k8s_client.delete_crd(group=crd_info['group'], version=crd_info['version'], plural=crd_info['plural'],namespace=KFJ_NAMESPACE, name=name)
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time.sleep(10)
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# 创建新的tfjob
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tfjob_json = make_tfjob(name=name,num_workers= num_workers,image = image,working_dir=working_dir,command=worker_command)
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print('create new tfjob %s' % name, flush=True)
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k8s_client.create_crd(group=crd_info['group'],version=crd_info['version'],plural=crd_info['plural'],namespace=KFJ_NAMESPACE,body=tfjob_json)
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time.sleep(10)
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print('begin start monitoring thred', flush=True)
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# # 后台启动监控脚本
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monitoring_thred = threading.Thread(target=monitoring,args=(k8s_client,name,KFJ_NAMESPACE))
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monitoring_thred.start()
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while True:
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# 实时打印日志
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line='>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>'
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print('begin follow log\n%s'%line, flush=True)
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command = '''stern %s --namespace %s --since 10s --template '{{.PodName}} {{.Message}} {{"\\n"}}' ''' % (name, KFJ_NAMESPACE)
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print(command, flush=True)
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run_shell(command)
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print('%s\nend follow log'%line, flush=True)
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time.sleep(10)
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tfjob = k8s_client.get_one_crd(group=crd_info['group'], version=crd_info['version'],plural=crd_info['plural'], namespace=KFJ_NAMESPACE, name=name)
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if tfjob and (tfjob['status'] == "Succeeded" or tfjob['status'] == "Failed"):
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break
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tfjob = k8s_client.get_one_crd(group=crd_info['group'],version=crd_info['version'],plural=crd_info['plural'],namespace=KFJ_NAMESPACE,name=name)
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print("tfjob %s finished, status %s"%(name, tfjob['status']))
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if tfjob['status']!='Succeeded':
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exit(1)
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if __name__ == "__main__":
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arg_parser = argparse.ArgumentParser("TFjob launcher")
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arg_parser.add_argument('--working_dir', type=str, help="运行job的工作目录", default='/mnt/')
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arg_parser.add_argument('--command', type=str, help="运行job的命令", default='python3 mnist.py')
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arg_parser.add_argument('--num_worker', type=int, help="运行job所在的机器", default=3)
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arg_parser.add_argument('--image', type=str, help="运行job的镜像", default='')
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args = arg_parser.parse_args()
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print("{} args: {}".format(__file__, args))
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launch_tfjob(name=default_job_name(),num_workers=args.num_worker,image=args.image,working_dir=args.working_dir,worker_command=args.command)
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