# -*- coding: utf-8 -*- ############################################################################## # # Copyright (c) 2010, 2011, 2012 Vifib SARL and Contributors. # All Rights Reserved. # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsibility of assessing all potential # consequences resulting from its eventual inadequacies and bugs # End users who are looking for a ready-to-use solution with commercial # guarantees and support are strongly advised to contract a Free Software # Service Company # # This program is Free Software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 3 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ############################################################################## import logging import os import sys import pkg_resources import warnings if sys.version_info < (2, 6): warnings.warn('Used python version (%s) is old and have problems with' ' IPv6 connections' % sys.version.split('\n')[0]) import socket import subprocess import traceback import time #from time import strftime from SlapObject import Software, Partition, WrongPermissionError, \ PathDoesNotExistError import argparse import ConfigParser from utils import updateFile from utils import createPrivateDirectory from utils import setRunning from utils import setFinished from utils import getSoftwareUrlHash from slapos import slap from slapos.slap.slap import ServerError from utils import dropPrivileges from utils import SlapPopen from svcbackend import launchSupervisord import tempfile from time import strftime import StringIO from lxml import etree from random import random from slapos.slap.slap import NotFoundError from hashlib import md5 MANDATORY_PARAMETER_LIST = [ 'computer_id', 'instance_root', 'master_url', 'software_root', ] def parseArgumentTupleAndReturnSlapgridObject(*argument_tuple): """Parses arguments either from command line, from method parameters or from config file. Then returns a new instance of slapgrid.Slapgrid with those parameters. Also returns the options dict and unused variable list, and configures logger. """ parser = argparse.ArgumentParser() parser.add_argument("--instance-root", help="The instance root directory location.") parser.add_argument("--software-root", help="The software_root directory location.") parser.add_argument("--master-url", help="The master server URL. Mandatory.") parser.add_argument("--computer-id", help="The computer id defined in the server.") parser.add_argument("--supervisord-socket", help="The socket supervisor will use.") parser.add_argument("--supervisord-configuration-path", help="The location where supervisord configuration " \ "will be stored.") parser.add_argument("--usage-report-periodicity", type=int, default="24", help="The periodicity of usage report sends, in hours.") parser.add_argument("--buildout", help="Location of buildout binary.", default=None) parser.add_argument("--pidfile", help="The location where pidfile will be created.") parser.add_argument("--logfile", help="The location where slapgrid logfile will be " \ "created.") parser.add_argument("--key_file", help="SSL Authorisation key file.") parser.add_argument("--cert_file", help="SSL Authorisation certificate file.") parser.add_argument("--signature_private_key_file", help="Signature private key file.") parser.add_argument("--master_ca_file", help="Root certificate of SlapOS " "master key.") parser.add_argument("--certificate_repository_path", help="Path to directory where downloaded certificates would be stored.") parser.add_argument("-c", "--console", action="store_true", default=False, help="Enables console output and live output from subcommands.") parser.add_argument("-v", "--verbose", action="store_true", default=False, help="Be verbose.") parser.add_argument("--promise-timeout", type=int, default=3, help="Promise timeout in seconds.") parser.add_argument("configuration_file", nargs=1, type=argparse.FileType(), help="SlapOS configuration file.") parser.add_argument("--now", action="store_true", default=False, help="Launch slapgrid without delay.") parser.add_argument("--develop", action="store_true", default=False, help="Launch slapgrid in develop mode. In develop mode, slapgrid-sr ignores .completed file") parser.add_argument("--only_sr", help="Force the update of a single software release (use url hash)," + \ "event if is already installed. This option will make all others " + \ "sofware releases be ignored") parser.add_argument("--only_cp", help="Update a single or a list of computer partition (ie.:slappartX, slappartY)," + \ "this option will make all others sofware releases be ignored") parser.add_argument("--only_sr", help="Force the update of a single software release (use url hash)," + \ "event if is already installed. This option will make all others " + \ "sofware releases be ignored") parser.add_argument("--only_cp", help="Update a single or a list of computer partitions (ie.:slappartX, slappartY)," + \ "this option will make all others computer partitions be ignored") # Parses arguments if argument_tuple == (): # No arguments given to entry point : we parse sys.argv. argument_option_instance = parser.parse_args() else: argument_option_instance = \ parser.parse_args(list(argument_tuple)) # Parses arguments from config file, if needed, then merge previous arguments option_dict = {} configuration_file = argument_option_instance.configuration_file[0] # Loads config (if config specified) slapgrid_configuration = ConfigParser.SafeConfigParser() slapgrid_configuration.readfp(configuration_file) # Merges the two dictionnaries option_dict = dict(slapgrid_configuration.items("slapos")) if slapgrid_configuration.has_section("networkcache"): option_dict.update(dict(slapgrid_configuration.items("networkcache"))) for argument_key, argument_value in vars(argument_option_instance ).iteritems(): if argument_value is not None: option_dict.update({argument_key: argument_value}) # Configures logger. #XXX: We need to configure it as soon as possible, so I do it here. logger_format = '%(asctime)s %(name)-18s: %(levelname)-8s %(message)s' if option_dict['verbose']: level = logging.DEBUG else: level = logging.INFO if option_dict.get('logfile'): logging.basicConfig(filename=option_dict['logfile'], format=logger_format, level=level) if option_dict['console']: logging.basicConfig(level=level) missing_mandatory_parameter_list = [] for mandatory_parameter in MANDATORY_PARAMETER_LIST: if not mandatory_parameter in option_dict: missing_mandatory_parameter_list.append(mandatory_parameter) repository_required = False if 'key_file' in option_dict: repository_required = True if not 'cert_file' in option_dict: missing_mandatory_parameter_list.append('cert_file') if 'cert_file' in option_dict: repository_required = True if not 'key_file' in option_dict: missing_mandatory_parameter_list.append('key_file') if repository_required: if 'certificate_repository_path' not in option_dict: missing_mandatory_parameter_list.append('certificate_repository_path') if len(missing_mandatory_parameter_list) > 0: parser.error('Missing mandatory parameters:\n%s' % '\n'.join( missing_mandatory_parameter_list)) key_file = option_dict.get('key_file') cert_file = option_dict.get('cert_file') master_ca_file = option_dict.get('master_ca_file') signature_private_key_file = option_dict.get('signature_private_key_file') mandatory_file_list = [key_file, cert_file, master_ca_file] # signature_private_key_file is not mandatory, we must be able to run # slapgrid scripts without this parameter. if signature_private_key_file: mandatory_file_list.append(signature_private_key_file) for k in ['shacache-cert-file', 'shacache-key-file', 'shadir-cert-file', 'shadir-key-file']: mandatory_file_list.append(option_dict.get(k, None)) for f in mandatory_file_list: if f is not None: if not os.path.exists(f): parser.error('File %r does not exist.' % f) certificate_repository_path = option_dict.get('certificate_repository_path') if certificate_repository_path is not None: if not os.path.isdir(certificate_repository_path): parser.error('Directory %r does not exist' % certificate_repository_path) # Supervisord configuration location if not option_dict.get('supervisord_configuration_path'): option_dict['supervisord_configuration_path'] = \ os.path.join(option_dict['instance_root'], 'etc', 'supervisord.conf') # Supervisord socket if not option_dict.get('supervisord_socket'): option_dict['supervisord_socket'] = \ os.path.join(option_dict['instance_root'], 'supervisord.socket') signature_certificate_list_string = \ option_dict.get('signature-certificate-list', None) if signature_certificate_list_string is not None: cert_marker = "-----BEGIN CERTIFICATE-----" signature_certificate_list = [cert_marker + '\n' + q.strip() \ for q in signature_certificate_list_string.split(cert_marker) \ if q.strip()] else: signature_certificate_list = None if option_dict["now"]: maximal_delay = 0 else: maximal_delay = float(option_dict.get("maximal_delay", "300")) if maximal_delay > 0: duration = int(maximal_delay * random()) logging.info("Sleeping for %s seconds. To disable this feature, " \ "check maximal_delay parameter in manual." % duration) time.sleep(duration) # Returning new Slapgrid instance and options return ([Slapgrid(software_root=option_dict['software_root'], instance_root=option_dict['instance_root'], master_url=option_dict['master_url'], computer_id=option_dict['computer_id'], supervisord_socket=option_dict['supervisord_socket'], supervisord_configuration_path=option_dict[ 'supervisord_configuration_path'], usage_report_periodicity=option_dict['usage_report_periodicity'], key_file=key_file, cert_file=cert_file, master_ca_file=master_ca_file, certificate_repository_path=certificate_repository_path, signature_private_key_file=signature_private_key_file, signature_certificate_list=signature_certificate_list, download_binary_cache_url=\ option_dict.get('download-binary-cache-url', None), upload_binary_cache_url=\ option_dict.get('upload-binary-cache-url', None), upload_cache_url=option_dict.get('upload-cache-url', None), download_binary_dir_url=\ option_dict.get('download-binary-dir-url', None), upload_binary_dir_url=\ option_dict.get('upload-binary-dir-url', None), upload_dir_url=option_dict.get('upload-dir-url', None), console=option_dict['console'], buildout=option_dict.get('buildout'), promise_timeout=option_dict['promise_timeout'], shacache_cert_file=option_dict.get('shacache-cert-file', None), shacache_key_file=option_dict.get('shacache-key-file', None), shadir_cert_file=option_dict.get('shadir-cert-file', None), shadir_key_file=option_dict.get('shadir-key-file', None), develop=option_dict.get('develop', False) ), option_dict]) def realRun(argument_tuple, method_list): clean_run = True slapgrid_object, option_dict = \ parseArgumentTupleAndReturnSlapgridObject(*argument_tuple) pidfile = option_dict.get('pidfile') if pidfile: setRunning(pidfile) try: for method in method_list: if not getattr(slapgrid_object, method)(): clean_run = False finally: if pidfile: setFinished(pidfile) if clean_run: sys.exit(0) else: sys.exit(1) def run(*argument_tuple): """Hooks for generic entry point to proces Software Releases (sr), Computer Partitions (cp) and Usage Reports (ur) Will run one by one each task (sr, cp, ur). If specified, will run in the user wanted order. """ realRun(argument_tuple, ['processSoftwareReleaseList', 'processComputerPartitionList', 'agregateAndSendUsage']) def runSoftwareRelease(*argument_tuple): """Hook for entry point to process Software Releases only """ realRun(argument_tuple, ['processSoftwareReleaseList']) def runComputerPartition(*argument_tuple): """Hook for entry point to process Computer Partitions only """ realRun(argument_tuple, ['processComputerPartitionList']) def runUsageReport(*argument_tuple): """Hook for entry point to process Usage Reports only """ realRun(argument_tuple, ['agregateAndSendUsage']) class Slapgrid(object): """ Main class for SlapGrid. Fetches and processes informations from master server and pushes usage information to master server. """ class PromiseError(Exception): pass def __init__(self, software_root, instance_root, master_url, computer_id, supervisord_socket, supervisord_configuration_path, usage_report_periodicity, buildout, key_file=None, cert_file=None, signature_private_key_file=None, signature_certificate_list=None, download_binary_cache_url=None, upload_binary_cache_url=None, upload_cache_url=None, download_binary_dir_url=None, upload_binary_dir_url=None, upload_dir_url=None, master_ca_file=None, certificate_repository_path=None, console=False, promise_timeout=3, shacache_cert_file=None, shacache_key_file=None, shadir_cert_file=None, shadir_key_file=None, develop=False): """Makes easy initialisation of class parameters""" # Parses arguments self.software_root = os.path.abspath(software_root) self.instance_root = os.path.abspath(instance_root) self.master_url = master_url self.computer_id = computer_id self.supervisord_socket = supervisord_socket self.supervisord_configuration_path = supervisord_configuration_path self.usage_report_periodicity = usage_report_periodicity self.key_file = key_file self.cert_file = cert_file self.master_ca_file = master_ca_file self.certificate_repository_path = certificate_repository_path self.signature_private_key_file = signature_private_key_file self.signature_certificate_list = signature_certificate_list self.download_binary_cache_url = download_binary_cache_url self.upload_binary_cache_url = upload_binary_cache_url self.upload_cache_url = upload_cache_url self.download_binary_dir_url = download_binary_dir_url self.upload_binary_dir_url = upload_binary_dir_url self.upload_dir_url = upload_dir_url self.shacache_cert_file = shacache_cert_file self.shacache_key_file = shacache_key_file self.shadir_cert_file = shadir_cert_file self.shadir_key_file = shadir_key_file # Configures logger self.logger = logging.getLogger('Slapgrid') # Creates objects from slap module self.slap = slap.slap() self.slap.initializeConnection(self.master_url, key_file=self.key_file, cert_file=self.cert_file, master_ca_file=self.master_ca_file) self.computer = self.slap.registerComputer(self.computer_id) # Defines all needed paths self.instance_etc_directory = os.path.join(self.instance_root, 'etc') self.supervisord_configuration_directory = \ os.path.join(self.instance_etc_directory, 'supervisord.conf.d') self.console = console self.buildout = buildout self.promise_timeout = promise_timeout self.develop = develop def checkEnvironmentAndCreateStructure(self): """Checks for software_root and instance_root existence, then creates needed files and directories. """ # Checks for software_root and instance_root existence if not os.path.isdir(self.software_root): error = "%s does not exist." % self.software_root raise OSError(error) if not os.path.isdir(self.instance_root): error = "%s does not exist." % self.instance_root raise OSError(error) # Creates everything needed try: # Creates instance_root structure createPrivateDirectory(self.instance_etc_directory) createPrivateDirectory(os.path.join(self.instance_root, 'var')) createPrivateDirectory(os.path.join(self.instance_root, 'var', 'log')) createPrivateDirectory(os.path.join(self.instance_root, 'var', 'run')) createPrivateDirectory(self.supervisord_configuration_directory) # Creates supervisord configuration updateFile(self.supervisord_configuration_path, pkg_resources.resource_stream(__name__, 'templates/supervisord.conf.in').read() % dict( supervisord_configuration_directory=self.supervisord_configuration_directory, supervisord_socket=os.path.abspath(self.supervisord_socket), supervisord_loglevel='info', supervisord_logfile=os.path.abspath(os.path.join( self.instance_root, 'var', 'log', 'supervisord.log')), supervisord_logfile_maxbytes='50MB', supervisord_nodaemon='false', supervisord_pidfile=os.path.abspath(os.path.join( self.instance_root, 'var', 'run', 'supervisord.pid')), supervisord_logfile_backups='10', )) except (WrongPermissionError, PathDoesNotExistError) as error: raise error def getComputerPartitionList(self): try: computer_partition_list = self.computer.getComputerPartitionList() except socket.error as error: self.logger.fatal(error) raise return computer_partition_list def processSoftwareReleaseList(self): """Will process each Software Release. """ self.checkEnvironmentAndCreateStructure() logger = logging.getLogger('SoftwareReleases') logger.info("Processing software releases...") clean_run = True for software_release in self.computer.getSoftwareReleaseList(): state = software_release.getState() try: software_release_uri = software_release.getURI() url_hash = md5(software_release_uri).hexdigest() software_path = os.path.join(self.software_root, url_hash) software = Software(url=software_release_uri, software_root=self.software_root, console=self.console, buildout=self.buildout, signature_private_key_file=self.signature_private_key_file, signature_certificate_list=self.signature_certificate_list, download_binary_cache_url=self.download_binary_cache_url, upload_binary_cache_url=self.upload_binary_cache_url, upload_cache_url=self.upload_cache_url, download_binary_dir_url=self.download_binary_dir_url, upload_binary_dir_url=self.upload_binary_dir_url, upload_dir_url=self.upload_dir_url, shacache_cert_file=self.shacache_cert_file, shacache_key_file=self.shacache_key_file, shadir_cert_file=self.shadir_cert_file, shadir_key_file=self.shadir_key_file) if state == 'available': completed_tag = os.path.join(software_path, '.completed') if self.develop or (not os.path.exists(completed_tag)): try: software_release.building() except NotFoundError: pass software.install() file_descriptor = open(completed_tag, 'w') file_descriptor.write(time.asctime()) file_descriptor.close() elif state == 'destroyed': if os.path.exists(software_path): logger.info('Destroying %r...' % software_release_uri) software.destroy() logger.info('Destroyed %r.' % software_release_uri) except (SystemExit, KeyboardInterrupt): exception = traceback.format_exc() software_release.error(exception) raise except Exception: exception = traceback.format_exc() logger.error(exception) software_release.error(exception) clean_run = False else: if state == 'available': try: software_release.available() except NotFoundError: pass elif state == 'destroyed': try: software_release.destroyed() except NotFoundError: pass logger.info("Finished software releases...") return clean_run def _launchSupervisord(self): launchSupervisord(self.supervisord_socket, self.supervisord_configuration_path) def _checkPromises(self, computer_partition): self.logger.info("Checking promises...") instance_path = os.path.join(self.instance_root, computer_partition.getId()) uid, gid = None, None stat_info = os.stat(instance_path) #stat sys call to get statistics informations uid = stat_info.st_uid gid = stat_info.st_gid promise_present = False # Get the list of promises promise_dir = os.path.join(instance_path, 'etc', 'promise') if os.path.exists(promise_dir) and os.path.isdir(promise_dir): cwd = instance_path promises_list = os.listdir(promise_dir) # Check whether every promise is kept for promise in promises_list: promise_present = True command = [os.path.join(promise_dir, promise)] promise = os.path.basename(command[0]) self.logger.info("Checking promise %r.", promise) kw = dict(stdout=subprocess.PIPE, stderr=subprocess.PIPE) process_handler = SlapPopen(command, preexec_fn=lambda: dropPrivileges(uid, gid), cwd=cwd, env={}, **kw) time.sleep(self.promise_timeout) if process_handler.poll() is None: process_handler.terminate() raise Slapgrid.PromiseError("The promise %r timed out" % promise) elif process_handler.poll() != 0: stderr = process_handler.communicate()[1] if stderr is None: stderr = 'No error output from %r.' % promise else: stderr = 'Promise %r:' % promise + stderr raise Slapgrid.PromiseError(stderr) if not promise_present: self.logger.info("No promise.") def processComputerPartitionList(self): """Will start supervisord and process each Computer Partition. """ logger = logging.getLogger('ComputerPartitionProcessing') logger.info("Processing computer partitions...") # Prepares environment self.checkEnvironmentAndCreateStructure() self._launchSupervisord() # Process Computer Partitions clean_run = True for computer_partition in self.getComputerPartitionList(): computer_partition_id = computer_partition.getId() instance_path = os.path.join( self.instance_root, computer_partition_id) timestamp_path = os.path.join(instance_path, '.timestamp') if os.path.exists(timestamp_path): old_timestamp = open(timestamp_path).read() parameter_dict = computer_partition.getInstanceParameterDict() if 'timestamp' in parameter_dict: timestamp = parameter_dict['timestamp'] try: if int(timestamp) <= int(old_timestamp): continue except ValueError: os.remove(timestamp_path) exception = traceback.format_exc() logger.error(exception) try: software_url = computer_partition.getSoftwareRelease().getURI() except NotFoundError: software_url = None software_path = os.path.join(self.software_root, getSoftwareUrlHash(software_url)) local_partition = Partition( software_path=software_path, instance_path=instance_path, supervisord_partition_configuration_path=os.path.join( self.supervisord_configuration_directory, '%s.conf' % computer_partition_id), supervisord_socket=self.supervisord_socket, computer_partition=computer_partition, computer_id=self.computer_id, partition_id=computer_partition_id, server_url=self.master_url, software_release_url=software_url, certificate_repository_path=self.certificate_repository_path, console=self.console, buildout=self.buildout) # There are no conditions to try to instanciate partition try: computer_partition_state = computer_partition.getState() if computer_partition_state == "started": local_partition.install() computer_partition.available() local_partition.start() self._checkPromises(computer_partition) computer_partition.started() elif computer_partition_state == "stopped": local_partition.install() computer_partition.available() local_partition.stop() computer_partition.stopped() elif computer_partition_state == "destroyed": local_partition.stop() try: computer_partition.stopped() except (SystemExit, KeyboardInterrupt): exception = traceback.format_exc() computer_partition.error(exception) raise except Exception: pass else: error_string = "Computer Partition %r has unsupported state: %s" % \ (computer_partition_id, computer_partition_state) computer_partition.error(error_string) raise NotImplementedError(error_string) except (SystemExit, KeyboardInterrupt): exception = traceback.format_exc() computer_partition.error(exception) raise except Exception as exception: clean_run = False logger.error(traceback.format_exc()) try: computer_partition.error(exception) except (SystemExit, KeyboardInterrupt): raise except Exception: exception = traceback.format_exc() logger.error('Problem during reporting error, continuing:\n' + exception) logger.info("Finished computer partitions...") return clean_run def validateXML(self, to_be_validated, xsd_model): """Validates a given xml file""" logger = logging.getLogger('XMLValidating') #We retrieve the xsd model xsd_model = StringIO.StringIO(xsd_model) xmlschema_doc = etree.parse(xsd_model) xmlschema = etree.XMLSchema(xmlschema_doc) string_to_validate = StringIO.StringIO(to_be_validated) try: document = etree.parse(string_to_validate) except (etree.XMLSyntaxError, etree.DocumentInvalid) as e: logger.info('Failed to parse this XML report : %s\n%s' % \ (to_be_validated, _formatXMLError(e))) logger.error(_formatXMLError(e)) return False if xmlschema.validate(document): return True return False def asXML(self, computer_partition_usage_list): """Generates a XML report from computer partition usage list """ xml_head = "" xml_movements = "" xml_foot = "" xml_head = "<?xml version='1.0' encoding='utf-8'?>" \ "<journal>" \ "<transaction type=\"Sale Packing List\">" \ "<title>Resource consumptions</title>" \ "<start_date></start_date>" \ "<stop_date>%s</stop_date>" \ "<reference>%s</reference>" \ "<currency></currency>" \ "<payment_mode></payment_mode>" \ "<category></category>" \ "<arrow type=\"Administration\">" \ "<source></source>" \ "<destination></destination>" \ "</arrow>" \ % (strftime("%Y-%m-%d at %H:%M:%S"), self.computer_id) for computer_partition_usage in computer_partition_usage_list: try: usage_string = StringIO.StringIO(computer_partition_usage.usage) root = etree.parse(usage_string) except UnicodeError: self.logger.info("Failed to read %s." % ( computer_partition_usage.usage)) self.logger.error(UnicodeError) raise "Failed to read %s." % (computer_partition_usage.usage) except (etree.XMLSyntaxError, etree.DocumentInvalid) as e: self.logger.info("Failed to parse %s." % (usage_string)) self.logger.error(e) raise _formatXMLError(e) except Exception: raise "Failed to generate XML report." for movement in root.findall('movement'): xml_movements += "<movement>" for children in movement.getchildren(): if children.tag == "reference": xml_movements += "<%s>%s</%s>" % (children.tag, computer_partition_usage.getId(), children.tag) else: xml_movements += "<%s>%s</%s>" % (children.tag, children.text, children.tag) xml_movements += "</movement>" xml_foot = "</transaction>" \ "</journal>" xml = xml_head + xml_movements + xml_foot return xml def agregateAndSendUsage(self): """Will agregate usage from each Computer Partition. """ slap_computer_usage = self.slap.registerComputer(self.computer_id) computer_partition_usage_list = [] logger = logging.getLogger('UsageReporting') logger.info("Aggregating and sending usage reports...") #We retrieve XSD models try: computer_consumption_model = \ pkg_resources.resource_string( 'slapos.slap', 'doc/computer_consumption.xsd') except IOError: computer_consumption_model = \ pkg_resources.resource_string( __name__, '../../../../slapos/slap/doc/computer_consumption.xsd') try: partition_consumption_model = \ pkg_resources.resource_string( 'slapos.slap', 'doc/partition_consumption.xsd') except IOError: partition_consumption_model = \ pkg_resources.resource_string( __name__, '../../../../slapos/slap/doc/partition_consumption.xsd') clean_run = True #We loop on the different computer partitions computer_partition_list = slap_computer_usage.getComputerPartitionList() for computer_partition in computer_partition_list: computer_partition_id = computer_partition.getId() #We want execute all the script in the report folder instance_path = os.path.join(self.instance_root, computer_partition.getId()) report_path = os.path.join(instance_path, 'etc', 'report') if os.path.isdir(report_path): script_list_to_run = os.listdir(report_path) else: script_list_to_run = [] #We now generate the pseudorandom name for the xml file # and we add it in the invocation_list f = tempfile.NamedTemporaryFile() name_xml = '%s.%s' % ('slapreport', os.path.basename(f.name)) path_to_slapreport = os.path.join(instance_path, 'var', 'xml_report', name_xml) failed_script_list = [] for script in script_list_to_run: invocation_list = [] invocation_list.append(os.path.join(instance_path, 'etc', 'report', script)) #We add the xml_file name in the invocation_list #f = tempfile.NamedTemporaryFile() #name_xml = '%s.%s' % ('slapreport', os.path.basename(f.name)) #path_to_slapreport = os.path.join(instance_path, 'var', name_xml) invocation_list.append(path_to_slapreport) #Dropping privileges uid, gid = None, None stat_info = os.stat(instance_path) #stat sys call to get statistics informations uid = stat_info.st_uid gid = stat_info.st_gid kw = dict() if not self.console: kw.update(stdout=subprocess.PIPE, stderr=subprocess.STDOUT) process_handler = SlapPopen(invocation_list, preexec_fn=lambda: dropPrivileges(uid, gid), cwd=os.path.join(instance_path, 'etc', 'report'), env=None, **kw) result = process_handler.communicate()[0] if self.console: result = 'Please consult messages above' if process_handler.returncode is None: process_handler.kill() if process_handler.returncode != 0: clean_run = False failed_script_list.append("Script %r failed with %s." % (script, result)) logger.warning("Failed to run %r, the result was. \n%s" % (invocation_list, result)) if len(failed_script_list): computer_partition.error('\n'.join(failed_script_list)) #Now we loop through the different computer partitions to ggetId()et reports report_usage_issue_cp_list = [] for computer_partition in computer_partition_list: filename_delete_list = [] computer_partition_id = computer_partition.getId() instance_path = os.path.join(self.instance_root, computer_partition_id) dir_reports = os.path.join(instance_path, 'var', 'xml_report') #The directory xml_report contain a number of files equal #to the number of software instance running inside the same partition if os.path.isdir(dir_reports): filename_list = os.listdir(dir_reports) else: filename_list = [] #logger.debug('name List %s' % filename_list) usage = '' for filename in filename_list: file_path = os.path.join(dir_reports, filename) if os.path.exists(file_path): usage_file = open(file_path, 'r') usage = usage_file.read() usage_file.close() #We check the validity of xml content of each reports if not self.validateXML(usage, partition_consumption_model): logger.info('WARNING: The XML file %s generated by slapreport is not valid - ' \ 'This report is left as is at %s where you can inspect what went wrong ' % (filename, dir_reports)) #Warn the SlapOS Master that a partition generates corrupted xml report else: computer_partition_usage = self.slap.registerComputerPartition( self.computer_id, computer_partition_id) computer_partition_usage.setUsage(usage) computer_partition_usage_list.append(computer_partition_usage) filename_delete_list.append(filename) else: logger.debug("Usage report %r not found, ignored" % file_path) #last_push_date = self.computer.getLastUsagePush() #periodicity_timedelta = datetime.timedelta( # self.usage_report_periodicity) #if periodicity_timedelta + last_push_date < datetime.datetime.today(): # Pushes informations, if any #After sending the aggregated file we remove all the valid xml reports for filename in filename_delete_list: os.remove(os.path.join(dir_reports, filename)) for computer_partition_usage in computer_partition_usage_list: logger.info('computer_partition_usage_list : %s - %s' % \ (computer_partition_usage.usage, computer_partition_usage.getId())) #If there is, at least, one report if computer_partition_usage_list != []: try: #We generate the final XML report with asXML method computer_consumption = self.asXML(computer_partition_usage_list) logger.info('Final xml report : %s' % computer_consumption) #We test the XML report before sending it if self.validateXML(computer_consumption, computer_consumption_model): logger.info('XML file generated by asXML is valid') slap_computer_usage.reportUsage(computer_consumption) else: logger.info('XML file generated by asXML is not valid !') raise 'XML file generated by asXML is not valid !' except Exception: computer_partition_id = computer_partition.getId() exception = traceback.format_exc() issue = "Cannot report usage for %r: %s" % (computer_partition_id, exception) logger.info(issue) computer_partition.error(issue) report_usage_issue_cp_list.append(computer_partition_id) for computer_partition in computer_partition_list: computer_partition_id = computer_partition.getId() try: software_url = computer_partition.getSoftwareRelease().getURI() except NotFoundError: software_url = None software_path = os.path.join(self.software_root, getSoftwareUrlHash(software_url)) local_partition = Partition( software_path=software_path, instance_path=os.path.join(self.instance_root, computer_partition.getId()), supervisord_partition_configuration_path=os.path.join( self.supervisord_configuration_directory, '%s.conf' % computer_partition_id), supervisord_socket=self.supervisord_socket, computer_partition=computer_partition, computer_id=self.computer_id, partition_id=computer_partition_id, server_url=self.master_url, software_release_url=software_url, certificate_repository_path=self.certificate_repository_path, console=self.console, buildout=self.buildout ) if computer_partition.getState() == "destroyed": try: local_partition.stop() try: computer_partition.stopped() except (SystemExit, KeyboardInterrupt): exception = traceback.format_exc() computer_partition.error(exception) raise except Exception: pass except (SystemExit, KeyboardInterrupt): exception = traceback.format_exc() computer_partition.error(exception) raise except Exception: clean_run = False exception = traceback.format_exc() computer_partition.error(exception) logger.error(exception) if computer_partition.getId() in report_usage_issue_cp_list: logger.info('Ignoring destruction of %r, as not report usage was ' 'sent' % computer_partition.getId()) continue local_partition.destroy() try: computer_partition.destroyed() except slap.NotFoundError: logger.debug('Ignored slap error while trying to inform about ' 'destroying not fully configured Computer Partition %r' % computer_partition.getId()) except ServerError as server_error: logger.debug('Ignored server error while trying to inform about ' 'destroying Computer Partition %r. Error is :\n%r' % (computer_partition.getId(), server_error.args[0])) logger.info("Finished usage reports...") return clean_run