mirror of https://github.com/BOINC/boinc.git
317 lines
10 KiB
Python
317 lines
10 KiB
Python
# This file is part of BOINC.
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# http://boinc.berkeley.edu
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# Copyright (C) 2020 University of California
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#
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# BOINC is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License
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# as published by the Free Software Foundation,
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# either version 3 of the License, or (at your option) any later version.
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#
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# BOINC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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# Python bindings of the remote job submission and file management APIs
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# See https://boinc.berkeley.edu/trac/wiki/RemoteJobs#Pythonbinding
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import urllib
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import urllib2
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import copy
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import xml.etree.ElementTree as ET
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import requests
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# you'll need to "pip install requests"
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import hashlib
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# describes an input file
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#
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class FILE_DESC:
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def __init__(self):
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return
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def to_xml(self):
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xml = ('<input_file>\n'
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'<mode>%s</mode>\n'
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) %(self.mode)
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if self.mode == 'remote':
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xml += ('<url>%s</url>\n'
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'<nbytes>%f</nbytes>\n'
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'<md5>%s</md5>\n'
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) %(self.url, self.nbytes, self.md5)
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else:
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xml += '<source>%s</source>\n' %(self.source)
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xml += '</input_file>\n'
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return xml
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# describes a job
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#
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class JOB_DESC:
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def __init__(self):
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return
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def to_xml(self):
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xml = '<job>\n'
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if hasattr(self, 'name'):
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xml += '<name>%s</name>\n'%self.name
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if hasattr(self, 'rsc_fpops_est'):
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xml += '<rsc_fpops_est>%f</rsc_fpops_est>\n'%self.rsc_fpops_est
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if hasattr(self, 'command_line'):
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xml += '<command_line>%s</command_line>\n'%self.command_line
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if hasattr(self, 'input_template'):
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xml += '%s\n'%self.input_template
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if hasattr(self, 'output_template'):
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xml += '%s\n'%self.output_template
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if hasattr(self, 'priority'):
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xml += '<priority>%d</priority>\n'%(self.priority)
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if hasattr(self, 'files'):
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for file in self.files:
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xml += file.to_xml()
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xml += '</job>\n'
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return xml
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# describes a batch for submit() or estimate()
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#
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class BATCH_DESC:
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def __init__(self):
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return
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def to_xml(self, op):
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xml = ('<%s>\n'
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'<authenticator>%s</authenticator>\n'
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'<batch>\n'
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'<app_name>%s</app_name>\n'
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) %(op, self.authenticator, self.app_name)
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if hasattr(self, 'batch_id'):
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xml += '<batch_id>%s</batch_id>\n'%(self.batch_id)
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elif hasattr(self, 'batch_name'):
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xml += '<batch_name>%s</batch_name>\n'%(self.batch_name)
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if hasattr(self, 'app_version_num'):
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xml += '<app_version_num>%d</app_version_num>\n'%(self.app_version_num)
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if hasattr(self, 'allocation_priority'):
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if self.allocation_priority:
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xml += '<allocation_priority/>\n'
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if hasattr(self, 'priority'):
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xml += '<priority>%d</priority>\n'%(self.priority)
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for job in self.jobs:
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xml += job.to_xml()
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xml += '</batch>\n</%s>\n' %(op)
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return xml
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class CREATE_BATCH_REQ:
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def __init__(self):
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return
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def to_xml(self):
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xml = ('<create_batch>\n'
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'<authenticator>%s</authenticator>\n'
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'<app_name>%s</app_name>\n'
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'<batch_name>%s</batch_name>\n'
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'<expire_time>%f</expire_time>\n'
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'</create_batch>\n') %(self.authenticator, self.app_name, self.batch_name, self.expire_time)
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return xml
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# a generic request
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#
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class REQUEST:
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def __init__(self):
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return
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rpc_timeout = 0
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def do_http_post(req, project_url, handler='submit_rpc_handler.php'):
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#print(req)
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url = project_url + handler
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params = urllib.urlencode({'request': req})
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if rpc_timeout>0:
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f = urllib2.urlopen(url, params, rpc_timeout)
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else:
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f = urllib2.urlopen(url, params)
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reply = f.read()
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#print("REPLY:", reply)
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return ET.fromstring(reply)
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########### API FUNCTIONS START HERE ###############
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def set_timeout(x):
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global rpc_timeout
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rpc_timeout = x
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def abort_batch(req):
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req_xml = ('<abort_batch>\n'
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'<authenticator>%s</authenticator>\n'
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'<batch_id>%s</batch_id>\n'
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'</abort_batch>\n'
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) %(req.authenticator, req.batch_id)
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return do_http_post(req_xml, req.project)
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def abort_jobs(req):
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req_xml = ('<abort_jobs>\n'
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'<authenticator>%s</authenticator>\n'
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) %(req.authenticator)
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for job in req.jobs:
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req_xml += '<job_name>%s</job_name>\n'%(job)
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req_xml += '</abort_jobs>\n'
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return do_http_post(req_xml, req.project)
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# req is a CREATE_BATCH_REQ
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#
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def create_batch(req):
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return do_http_post(req.to_xml(), req.project)
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def estimate_batch(req):
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return do_http_post(req.to_xml('estimate_batch'), req.project)
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def query_batch(req):
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req_xml = ('<query_batch>\n'
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'<authenticator>%s</authenticator>\n'
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'<batch_id>%s</batch_id>\n'
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'<get_cpu_time>%d</get_cpu_time>\n'
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'<get_job_details>%d</get_job_details>\n'
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'</query_batch>\n'
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) %(req.authenticator, req.batch_id, 1 if req.get_cpu_time else 0, 1 if req.get_job_details else 0)
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return do_http_post(req_xml, req.project)
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def query_batches(req):
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req_xml = ('<query_batches>\n'
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'<authenticator>%s</authenticator>\n'
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'<get_cpu_time>%d</get_cpu_time>\n'
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'</query_batches>\n'
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) %(req.authenticator, 1 if req.get_cpu_time else 0)
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return do_http_post(req_xml, req.project)
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def query_completed_job(req):
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req_xml = ('<query_completed_job>\n'
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'<authenticator>%s</authenticator>\n'
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'<job_name>%s</job_name>\n'
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'</query_completed_job>\n'
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) %(req.authenticator, req.job_name)
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return do_http_post(req_xml, req.project)
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def query_job(req):
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req_xml = ('<query_job>\n'
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'<authenticator>%s</authenticator>\n'
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'<job_id>%s</job_id>\n'
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'</query_job>\n'
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) %(req.authenticator, req.job_id)
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return do_http_post(req_xml, req.project)
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def get_output_file(req):
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auth_str = hashlib.md5(req.authenticator+req.instance_name).hexdigest()
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name = req.instance_name
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file_num = req.file_num
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return req.project+"/get_output.php?cmd=result_file&result_name=%s&file_num=%s&auth_str=%s"%(name, file_num, auth_str)
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def get_output_files(req):
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auth_str = hashlib.md5(req.authenticator+str(req.batch_id)).hexdigest()
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return req.project+"/get_output.php?cmd=batch_files&batch_id=%s&auth_str=%s"%(req.batch_id, auth_str)
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def retire_batch(req):
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req_xml = ('<retire_batch>\n'
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'<authenticator>%s</authenticator>\n'
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'<batch_id>%s</batch_id>\n'
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'</retire_batch>\n'
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) %(req.authenticator, req.batch_id)
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return do_http_post(req_xml, req.project)
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def submit_batch(req):
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return do_http_post(req.to_xml('submit_batch'), req.project)
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# see if reply is error.
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# if so print the message and return True
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#
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def check_error(response):
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if response.find('error') is not None:
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print('BOINC server error: ', response.find('error').find('error_msg').text)
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return True
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############ FILE MANAGEMENT API ##############
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class QUERY_FILES_REQ:
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def __init__(self):
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return
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def to_xml(self):
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xml = ('<query_files>\n'
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'<authenticator>%s</authenticator>\n'
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'<batch_id>%d</batch_id>\n') %(self.authenticator, self.batch_id)
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for name in self.boinc_names:
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xml += '<phys_name>%s</phys_name>\n' %(name)
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xml += '</query_files>\n'
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return xml
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class UPLOAD_FILES_REQ:
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def __init__(self):
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return
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def to_xml(self):
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xml = ('<upload_files>\n'
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'<authenticator>%s</authenticator>\n'
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'<batch_id>%d</batch_id>\n') %(self.authenticator, self.batch_id)
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for name in self.boinc_names:
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xml += '<phys_name>%s</phys_name>\n' %(name)
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xml += '</upload_files>\n'
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return xml
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def query_files(query_req):
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reply = do_http_post(query_req.to_xml(), query_req.project, 'job_file.php')
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return reply
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# This actually does two RPCs:
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# query_files() to find what files aren't already on server
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# upload_files() to upload them
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#
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def upload_files(upload_files_req):
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query_req = QUERY_FILES_REQ()
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query_req.authenticator = upload_files_req.authenticator
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query_req.batch_id = upload_files_req.batch_id
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query_req.boinc_names = upload_files_req.boinc_names
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query_req_xml = query_req.to_xml()
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reply = do_http_post(query_req_xml, upload_files_req.project, 'job_file.php')
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if reply[0].tag == 'error':
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return reply
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absent = reply.find('absent_files').findall('file')
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#print('query files succeeded; ',len(absent), ' files need upload')
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boinc_names = []
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local_names = []
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for n in absent:
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ind = int(n.text)
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boinc_names.append(upload_files_req.boinc_names[ind])
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local_names.append(upload_files_req.local_names[ind])
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upload_files_req.boinc_names = boinc_names
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upload_files_req.local_names = local_names
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# make a description of upoad files for "requests"
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#
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files = []
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for i in range(len(boinc_names)):
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bn = boinc_names[i]
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ln = local_names[i]
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upload_name = 'file_%d'%(i)
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files.append((upload_name, (bn, open(ln, 'rb'), 'application/octet-stream')))
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url = upload_files_req.project + '/job_file.php'
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req_xml = upload_files_req.to_xml()
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#print(req_xml)
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req = {'request': req_xml}
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reply = requests.post(url, data=req, files=files)
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#print("reply text: ", reply.text)
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return ET.fromstring(reply.text)
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# returns an XML object with various job counts
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# results_ready_to_send
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# results_in_progress
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# results_need_file_delete
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# wus_need_validate
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# wus_need_assimilate
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# wus_need_file_delete
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# see tools/submit_api_test.py
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#
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def get_job_counts(req):
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return do_http_post('', req.project, 'server_status.php?counts=1')
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